/* PowerPC64-specific support for 64-bit ELF.
- Copyright (C) 1999-2017 Free Software Foundation, Inc.
+ Copyright (C) 1999-2018 Free Software Foundation, Inc.
Written by Linus Nordberg, Swox AB <info@swox.com>,
based on elf32-ppc.c by Ian Lance Taylor.
Largely rewritten by Alan Modra.
#define ELF_TARGET_ID PPC64_ELF_DATA
#define ELF_MACHINE_CODE EM_PPC64
#define ELF_MAXPAGESIZE 0x10000
-#define ELF_COMMONPAGESIZE 0x10000
+#define ELF_COMMONPAGESIZE 0x1000
+#define ELF_RELROPAGESIZE ELF_MAXPAGESIZE
#define elf_info_to_howto ppc64_elf_info_to_howto
#define elf_backend_want_got_sym 0
#define elf_backend_notice_as_needed ppc64_elf_notice_as_needed
#define elf_backend_archive_symbol_lookup ppc64_elf_archive_symbol_lookup
#define elf_backend_check_relocs ppc64_elf_check_relocs
+#define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
#define elf_backend_gc_keep ppc64_elf_gc_keep
#define elf_backend_gc_mark_dynamic_ref ppc64_elf_gc_mark_dynamic_ref
#define elf_backend_gc_mark_hook ppc64_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook ppc64_elf_gc_sweep_hook
#define elf_backend_adjust_dynamic_symbol ppc64_elf_adjust_dynamic_symbol
#define elf_backend_hide_symbol ppc64_elf_hide_symbol
#define elf_backend_maybe_function_sym ppc64_elf_maybe_function_sym
#define elf_backend_special_sections ppc64_elf_special_sections
#define elf_backend_merge_symbol_attribute ppc64_elf_merge_symbol_attribute
#define elf_backend_merge_symbol ppc64_elf_merge_symbol
+#define elf_backend_get_reloc_section bfd_get_section_by_name
/* The name of the dynamic interpreter. This is put in the .interp
section. */
/* The size in bytes of an entry in the procedure linkage table. */
#define PLT_ENTRY_SIZE(htab) (htab->opd_abi ? 24 : 8)
+#define LOCAL_PLT_ENTRY_SIZE(htab) (htab->opd_abi ? 16 : 8)
/* The initial size of the plt reserved for the dynamic linker. */
#define PLT_INITIAL_ENTRY_SIZE(htab) (htab->opd_abi ? 24 : 16)
#define LD_R11_0R11 0xe96b0000 /* ld %r11,xxx+16@l(%r11) */
#define BCTR 0x4e800420 /* bctr */
-#define ADDI_R11_R11 0x396b0000 /* addi %r11,%r11,off@l */
-#define ADDIS_R2_R2 0x3c420000 /* addis %r2,%r2,off@ha */
-#define ADDI_R2_R2 0x38420000 /* addi %r2,%r2,off@l */
+#define ADDI_R11_R11 0x396b0000 /* addi %r11,%r11,off@l */
+#define ADDI_R12_R11 0x398b0000 /* addi %r12,%r11,off@l */
+#define ADDI_R12_R12 0x398c0000 /* addi %r12,%r12,off@l */
+#define ADDIS_R2_R2 0x3c420000 /* addis %r2,%r2,off@ha */
+#define ADDI_R2_R2 0x38420000 /* addi %r2,%r2,off@l */
-#define XOR_R2_R12_R12 0x7d826278 /* xor %r2,%r12,%r12 */
-#define ADD_R11_R11_R2 0x7d6b1214 /* add %r11,%r11,%r2 */
-#define XOR_R11_R12_R12 0x7d8b6278 /* xor %r11,%r12,%r12 */
-#define ADD_R2_R2_R11 0x7c425a14 /* add %r2,%r2,%r11 */
-#define CMPLDI_R2_0 0x28220000 /* cmpldi %r2,0 */
-#define BNECTR 0x4ca20420 /* bnectr+ */
-#define BNECTR_P4 0x4ce20420 /* bnectr+ */
+#define XOR_R2_R12_R12 0x7d826278 /* xor %r2,%r12,%r12 */
+#define ADD_R11_R11_R2 0x7d6b1214 /* add %r11,%r11,%r2 */
+#define XOR_R11_R12_R12 0x7d8b6278 /* xor %r11,%r12,%r12 */
+#define ADD_R2_R2_R11 0x7c425a14 /* add %r2,%r2,%r11 */
+#define CMPLDI_R2_0 0x28220000 /* cmpldi %r2,0 */
+#define BNECTR 0x4ca20420 /* bnectr+ */
+#define BNECTR_P4 0x4ce20420 /* bnectr+ */
#define LD_R12_0R2 0xe9820000 /* ld %r12,xxx+0(%r2) */
#define LD_R11_0R2 0xe9620000 /* ld %r11,xxx+0(%r2) */
-#define LD_R2_0R2 0xe8420000 /* ld %r2,xxx+0(%r2) */
+#define LD_R2_0R2 0xe8420000 /* ld %r2,xxx+0(%r2) */
-#define LD_R2_0R1 0xe8410000 /* ld %r2,0(%r1) */
-#define LD_R2_0R12 0xe84c0000 /* ld %r2,0(%r12) */
-#define ADD_R2_R2_R12 0x7c426214 /* add %r2,%r2,%r12 */
+#define LD_R2_0R1 0xe8410000 /* ld %r2,0(%r1) */
+#define LD_R2_0R12 0xe84c0000 /* ld %r2,0(%r12) */
+#define ADD_R2_R2_R12 0x7c426214 /* add %r2,%r2,%r12 */
-#define LIS_R2 0x3c400000 /* lis %r2,xxx@ha */
+#define LIS_R2 0x3c400000 /* lis %r2,xxx@ha */
+#define LIS_R12 0x3d800000 /* lis %r12,xxx@ha */
#define ADDIS_R2_R12 0x3c4c0000 /* addis %r2,%r12,xxx@ha */
#define ADDIS_R12_R2 0x3d820000 /* addis %r12,%r2,xxx@ha */
+#define ADDIS_R12_R11 0x3d8b0000 /* addis %r12,%r11,xxx@ha */
#define ADDIS_R12_R12 0x3d8c0000 /* addis %r12,%r12,xxx@ha */
-#define LD_R12_0R12 0xe98c0000 /* ld %r12,xxx@l(%r12) */
-
-/* glink call stub instructions. We enter with the index in R0. */
-#define GLINK_CALL_STUB_SIZE (16*4)
+#define ORIS_R12_R12_0 0x658c0000 /* oris %r12,%r12,xxx@hi */
+#define ORI_R12_R12_0 0x618c0000 /* ori %r12,%r12,xxx@l */
+#define LD_R12_0R12 0xe98c0000 /* ld %r12,xxx@l(%r12) */
+#define SLDI_R12_R12_32 0x799c07c6 /* sldi %r12,%r12,32 */
+#define LDX_R12_R11_R12 0x7d8b602a /* ldx %r12,%r11,%r12 */
+#define ADD_R12_R11_R12 0x7d8b6214 /* add %r12,%r11,%r12 */
+
+/* __glink_PLTresolve stub instructions. We enter with the index in R0. */
+#define GLINK_PLTRESOLVE_SIZE(htab) \
+ (8u + (htab->opd_abi ? 11 * 4 : 14 * 4))
/* 0: */
/* .quad plt0-1f */
/* __glink: */
elf_elfheader (abfd)->e_flags |= ver & EF_PPC64_ABI;
}
\f
-#define ONES(n) (((bfd_vma) 1 << ((n) - 1) << 1) - 1)
-
/* Relocation HOWTO's. */
+/* Like other ELF RELA targets that don't apply multiple
+ field-altering relocations to the same localation, src_mask is
+ always zero and pcrel_offset is the same as pc_relative.
+ PowerPC can always use a zero bitpos, even when the field is not at
+ the LSB. For example, a REL24 could use rightshift=2, bisize=24
+ and bitpos=2 which matches the ABI description, or as we do here,
+ rightshift=0, bitsize=26 and bitpos=0. */
+#define HOW(type, size, bitsize, mask, rightshift, pc_relative, \
+ complain, special_func) \
+ HOWTO (type, rightshift, size, bitsize, pc_relative, 0, \
+ complain_overflow_ ## complain, special_func, \
+ #type, FALSE, 0, mask, pc_relative)
+
static reloc_howto_type *ppc64_elf_howto_table[(int) R_PPC64_max];
-static reloc_howto_type ppc64_elf_howto_raw[] = {
+static reloc_howto_type ppc64_elf_howto_raw[] =
+{
/* This reloc does nothing. */
- HOWTO (R_PPC64_NONE, /* type */
- 0, /* rightshift */
- 3, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_NONE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_NONE, 3, 0, 0, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* A standard 32 bit relocation. */
- HOWTO (R_PPC64_ADDR32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR32, 2, 32, 0xffffffff, 0, FALSE, bitfield,
+ bfd_elf_generic_reloc),
/* An absolute 26 bit branch; the lower two bits must be zero.
FIXME: we don't check that, we just clear them. */
- HOWTO (R_PPC64_ADDR24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR24", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x03fffffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR24, 2, 26, 0x03fffffc, 0, FALSE, bitfield,
+ bfd_elf_generic_reloc),
/* A standard 16 bit relocation. */
- HOWTO (R_PPC64_ADDR16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16, 1, 16, 0xffff, 0, FALSE, bitfield,
+ bfd_elf_generic_reloc),
/* A 16 bit relocation without overflow. */
- HOWTO (R_PPC64_ADDR16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* Bits 16-31 of an address. */
- HOWTO (R_PPC64_ADDR16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ bfd_elf_generic_reloc),
/* Bits 16-31 of an address, plus 1 if the contents of the low 16
bits, treated as a signed number, is negative. */
- HOWTO (R_PPC64_ADDR16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_ha_reloc, /* special_function */
- "R_PPC64_ADDR16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_ha_reloc),
/* An absolute 16 bit branch; the lower two bits must be zero.
FIXME: we don't check that, we just clear them. */
- HOWTO (R_PPC64_ADDR14, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_branch_reloc, /* special_function */
- "R_PPC64_ADDR14", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x0000fffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR14, 2, 16, 0x0000fffc, 0, FALSE, signed,
+ ppc64_elf_branch_reloc),
/* An absolute 16 bit branch, for which bit 10 should be set to
indicate that the branch is expected to be taken. The lower two
bits must be zero. */
- HOWTO (R_PPC64_ADDR14_BRTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_brtaken_reloc, /* special_function */
- "R_PPC64_ADDR14_BRTAKEN",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x0000fffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR14_BRTAKEN, 2, 16, 0x0000fffc, 0, FALSE, signed,
+ ppc64_elf_brtaken_reloc),
/* An absolute 16 bit branch, for which bit 10 should be set to
indicate that the branch is not expected to be taken. The lower
two bits must be zero. */
- HOWTO (R_PPC64_ADDR14_BRNTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_brtaken_reloc, /* special_function */
- "R_PPC64_ADDR14_BRNTAKEN",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x0000fffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR14_BRNTAKEN, 2, 16, 0x0000fffc, 0, FALSE, signed,
+ ppc64_elf_brtaken_reloc),
/* A relative 26 bit branch; the lower two bits must be zero. */
- HOWTO (R_PPC64_REL24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_branch_reloc, /* special_function */
- "R_PPC64_REL24", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x03fffffc, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL24, 2, 26, 0x03fffffc, 0, TRUE, signed,
+ ppc64_elf_branch_reloc),
+
+ /* A variant of R_PPC64_REL24, used when r2 is not the toc pointer. */
+ HOW (R_PPC64_REL24_NOTOC, 2, 26, 0x03fffffc, 0, TRUE, signed,
+ ppc64_elf_branch_reloc),
/* A relative 16 bit branch; the lower two bits must be zero. */
- HOWTO (R_PPC64_REL14, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_branch_reloc, /* special_function */
- "R_PPC64_REL14", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x0000fffc, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL14, 2, 16, 0x0000fffc, 0, TRUE, signed,
+ ppc64_elf_branch_reloc),
/* A relative 16 bit branch. Bit 10 should be set to indicate that
the branch is expected to be taken. The lower two bits must be
zero. */
- HOWTO (R_PPC64_REL14_BRTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_brtaken_reloc, /* special_function */
- "R_PPC64_REL14_BRTAKEN", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x0000fffc, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL14_BRTAKEN, 2, 16, 0x0000fffc, 0, TRUE, signed,
+ ppc64_elf_brtaken_reloc),
/* A relative 16 bit branch. Bit 10 should be set to indicate that
the branch is not expected to be taken. The lower two bits must
be zero. */
- HOWTO (R_PPC64_REL14_BRNTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_brtaken_reloc, /* special_function */
- "R_PPC64_REL14_BRNTAKEN",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x0000fffc, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL14_BRNTAKEN, 2, 16, 0x0000fffc, 0, TRUE, signed,
+ ppc64_elf_brtaken_reloc),
/* Like R_PPC64_ADDR16, but referring to the GOT table entry for the
symbol. */
- HOWTO (R_PPC64_GOT16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT16, 1, 16, 0xffff, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_ADDR16_LO, but referring to the GOT table entry for
the symbol. */
- HOWTO (R_PPC64_GOT16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_ADDR16_HI, but referring to the GOT table entry for
the symbol. */
- HOWTO (R_PPC64_GOT16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed,/* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_ADDR16_HA, but referring to the GOT table entry for
the symbol. */
- HOWTO (R_PPC64_GOT16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed,/* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* This is used only by the dynamic linker. The symbol should exist
both in the object being run and in some shared library. The
dynamic linker copies the data addressed by the symbol from the
shared library into the object, because the object being
run has to have the data at some particular address. */
- HOWTO (R_PPC64_COPY, /* type */
- 0, /* rightshift */
- 0, /* this one is variable size */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_COPY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_COPY, 0, 0, 0, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_ADDR64, but used when setting global offset table
entries. */
- HOWTO (R_PPC64_GLOB_DAT, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GLOB_DAT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GLOB_DAT, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Created by the link editor. Marks a procedure linkage table
entry for a symbol. */
- HOWTO (R_PPC64_JMP_SLOT, /* type */
- 0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_JMP_SLOT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_JMP_SLOT, 0, 0, 0, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Used only by the dynamic linker. When the object is run, this
doubleword64 is set to the load address of the object, plus the
addend. */
- HOWTO (R_PPC64_RELATIVE, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_RELATIVE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_RELATIVE, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* Like R_PPC64_ADDR32, but may be unaligned. */
- HOWTO (R_PPC64_UADDR32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_UADDR32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_UADDR32, 2, 32, 0xffffffff, 0, FALSE, bitfield,
+ bfd_elf_generic_reloc),
/* Like R_PPC64_ADDR16, but may be unaligned. */
- HOWTO (R_PPC64_UADDR16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_UADDR16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_UADDR16, 1, 16, 0xffff, 0, FALSE, bitfield,
+ bfd_elf_generic_reloc),
/* 32-bit PC relative. */
- HOWTO (R_PPC64_REL32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_REL32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL32, 2, 32, 0xffffffff, 0, TRUE, signed,
+ bfd_elf_generic_reloc),
/* 32-bit relocation to the symbol's procedure linkage table. */
- HOWTO (R_PPC64_PLT32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLT32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLT32, 2, 32, 0xffffffff, 0, FALSE, bitfield,
+ ppc64_elf_unhandled_reloc),
/* 32-bit PC relative relocation to the symbol's procedure linkage table.
FIXME: R_PPC64_PLTREL32 not supported. */
- HOWTO (R_PPC64_PLTREL32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLTREL32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_PLTREL32, 2, 32, 0xffffffff, 0, TRUE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_ADDR16_LO, but referring to the PLT table entry for
the symbol. */
- HOWTO (R_PPC64_PLT16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLT16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLT16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_ADDR16_HI, but referring to the PLT table entry for
the symbol. */
- HOWTO (R_PPC64_PLT16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLT16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLT16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_ADDR16_HA, but referring to the PLT table entry for
the symbol. */
- HOWTO (R_PPC64_PLT16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLT16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLT16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* 16-bit section relative relocation. */
- HOWTO (R_PPC64_SECTOFF, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_sectoff_reloc, /* special_function */
- "R_PPC64_SECTOFF", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_SECTOFF, 1, 16, 0xffff, 0, FALSE, signed,
+ ppc64_elf_sectoff_reloc),
/* Like R_PPC64_SECTOFF, but no overflow warning. */
- HOWTO (R_PPC64_SECTOFF_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_sectoff_reloc, /* special_function */
- "R_PPC64_SECTOFF_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_SECTOFF_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_sectoff_reloc),
/* 16-bit upper half section relative relocation. */
- HOWTO (R_PPC64_SECTOFF_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_sectoff_reloc, /* special_function */
- "R_PPC64_SECTOFF_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_SECTOFF_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_sectoff_reloc),
/* 16-bit upper half adjusted section relative relocation. */
- HOWTO (R_PPC64_SECTOFF_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_sectoff_ha_reloc, /* special_function */
- "R_PPC64_SECTOFF_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_SECTOFF_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_sectoff_ha_reloc),
/* Like R_PPC64_REL24 without touching the two least significant bits. */
- HOWTO (R_PPC64_REL30, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 30, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_REL30", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffffffc, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL30, 2, 30, 0xfffffffc, 2, TRUE, dont,
+ bfd_elf_generic_reloc),
/* Relocs in the 64-bit PowerPC ELF ABI, not in the 32-bit ABI. */
/* A standard 64-bit relocation. */
- HOWTO (R_PPC64_ADDR64, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR64", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR64, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* The bits 32-47 of an address. */
- HOWTO (R_PPC64_ADDR16_HIGHER, /* type */
- 32, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR16_HIGHER", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_HIGHER, 1, 16, 0xffff, 32, FALSE, dont,
+ bfd_elf_generic_reloc),
/* The bits 32-47 of an address, plus 1 if the contents of the low
16 bits, treated as a signed number, is negative. */
- HOWTO (R_PPC64_ADDR16_HIGHERA, /* type */
- 32, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_ha_reloc, /* special_function */
- "R_PPC64_ADDR16_HIGHERA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_HIGHERA, 1, 16, 0xffff, 32, FALSE, dont,
+ ppc64_elf_ha_reloc),
/* The bits 48-63 of an address. */
- HOWTO (R_PPC64_ADDR16_HIGHEST,/* type */
- 48, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR16_HIGHEST", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_HIGHEST, 1, 16, 0xffff, 48, FALSE, dont,
+ bfd_elf_generic_reloc),
/* The bits 48-63 of an address, plus 1 if the contents of the low
16 bits, treated as a signed number, is negative. */
- HOWTO (R_PPC64_ADDR16_HIGHESTA,/* type */
- 48, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_ha_reloc, /* special_function */
- "R_PPC64_ADDR16_HIGHESTA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_HIGHESTA, 1, 16, 0xffff, 48, FALSE, dont,
+ ppc64_elf_ha_reloc),
/* Like ADDR64, but may be unaligned. */
- HOWTO (R_PPC64_UADDR64, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_UADDR64", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_UADDR64, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* 64-bit relative relocation. */
- HOWTO (R_PPC64_REL64, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_REL64", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL64, 4, 64, 0xffffffffffffffffULL, 0, TRUE, dont,
+ bfd_elf_generic_reloc),
/* 64-bit relocation to the symbol's procedure linkage table. */
- HOWTO (R_PPC64_PLT64, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLT64", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLT64, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* 64-bit PC relative relocation to the symbol's procedure linkage
table. */
/* FIXME: R_PPC64_PLTREL64 not supported. */
- HOWTO (R_PPC64_PLTREL64, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLTREL64", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_PLTREL64, 4, 64, 0xffffffffffffffffULL, 0, TRUE, dont,
+ ppc64_elf_unhandled_reloc),
/* 16 bit TOC-relative relocation. */
-
/* R_PPC64_TOC16 47 half16* S + A - .TOC. */
- HOWTO (R_PPC64_TOC16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_toc_reloc, /* special_function */
- "R_PPC64_TOC16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TOC16, 1, 16, 0xffff, 0, FALSE, signed,
+ ppc64_elf_toc_reloc),
/* 16 bit TOC-relative relocation without overflow. */
-
/* R_PPC64_TOC16_LO 48 half16 #lo (S + A - .TOC.) */
- HOWTO (R_PPC64_TOC16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_toc_reloc, /* special_function */
- "R_PPC64_TOC16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TOC16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_toc_reloc),
/* 16 bit TOC-relative relocation, high 16 bits. */
-
/* R_PPC64_TOC16_HI 49 half16 #hi (S + A - .TOC.) */
- HOWTO (R_PPC64_TOC16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_toc_reloc, /* special_function */
- "R_PPC64_TOC16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TOC16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_toc_reloc),
/* 16 bit TOC-relative relocation, high 16 bits, plus 1 if the
contents of the low 16 bits, treated as a signed number, is
negative. */
-
/* R_PPC64_TOC16_HA 50 half16 #ha (S + A - .TOC.) */
- HOWTO (R_PPC64_TOC16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_toc_ha_reloc, /* special_function */
- "R_PPC64_TOC16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TOC16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_toc_ha_reloc),
/* 64-bit relocation; insert value of TOC base (.TOC.). */
-
/* R_PPC64_TOC 51 doubleword64 .TOC. */
- HOWTO (R_PPC64_TOC, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_toc64_reloc, /* special_function */
- "R_PPC64_TOC", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TOC, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ ppc64_elf_toc64_reloc),
/* Like R_PPC64_GOT16, but also informs the link editor that the
value to relocate may (!) refer to a PLT entry which the link
The link editor may also skip all of this and just (c) emit a
R_PPC64_GLOB_DAT to tie the symbol to the GOT entry. */
/* FIXME: R_PPC64_PLTGOT16 not implemented. */
- HOWTO (R_PPC64_PLTGOT16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLTGOT16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLTGOT16, 1, 16, 0xffff, 0, FALSE,signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_PLTGOT16, but without overflow. */
/* FIXME: R_PPC64_PLTGOT16_LO not implemented. */
- HOWTO (R_PPC64_PLTGOT16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLTGOT16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLTGOT16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_PLT_GOT16, but using bits 16-31 of the address. */
/* FIXME: R_PPC64_PLTGOT16_HI not implemented. */
- HOWTO (R_PPC64_PLTGOT16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLTGOT16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLTGOT16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_PLT_GOT16, but using bits 16-31 of the address, plus
1 if the contents of the low 16 bits, treated as a signed number,
is negative. */
/* FIXME: R_PPC64_PLTGOT16_HA not implemented. */
- HOWTO (R_PPC64_PLTGOT16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLTGOT16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLTGOT16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_ADDR16, but for instructions with a DS field. */
- HOWTO (R_PPC64_ADDR16_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR16_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ bfd_elf_generic_reloc),
/* Like R_PPC64_ADDR16_LO, but for instructions with a DS field. */
- HOWTO (R_PPC64_ADDR16_LO_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR16_LO_DS",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* Like R_PPC64_GOT16, but for instructions with a DS field. */
- HOWTO (R_PPC64_GOT16_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT16_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT16_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_GOT16_LO, but for instructions with a DS field. */
- HOWTO (R_PPC64_GOT16_LO_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT16_LO_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_PLT16_LO, but for instructions with a DS field. */
- HOWTO (R_PPC64_PLT16_LO_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLT16_LO_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLT16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_SECTOFF, but for instructions with a DS field. */
- HOWTO (R_PPC64_SECTOFF_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_sectoff_reloc, /* special_function */
- "R_PPC64_SECTOFF_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_SECTOFF_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ ppc64_elf_sectoff_reloc),
/* Like R_PPC64_SECTOFF_LO, but for instructions with a DS field. */
- HOWTO (R_PPC64_SECTOFF_LO_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_sectoff_reloc, /* special_function */
- "R_PPC64_SECTOFF_LO_DS",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_SECTOFF_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_sectoff_reloc),
/* Like R_PPC64_TOC16, but for instructions with a DS field. */
- HOWTO (R_PPC64_TOC16_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_toc_reloc, /* special_function */
- "R_PPC64_TOC16_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TOC16_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ ppc64_elf_toc_reloc),
/* Like R_PPC64_TOC16_LO, but for instructions with a DS field. */
- HOWTO (R_PPC64_TOC16_LO_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_toc_reloc, /* special_function */
- "R_PPC64_TOC16_LO_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TOC16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_toc_reloc),
/* Like R_PPC64_PLTGOT16, but for instructions with a DS field. */
/* FIXME: R_PPC64_PLTGOT16_DS not implemented. */
- HOWTO (R_PPC64_PLTGOT16_DS, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLTGOT16_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLTGOT16_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_PLTGOT16_LO, but for instructions with a DS field. */
/* FIXME: R_PPC64_PLTGOT16_LO not implemented. */
- HOWTO (R_PPC64_PLTGOT16_LO_DS,/* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_PLTGOT16_LO_DS",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_PLTGOT16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Marker relocs for TLS. */
- HOWTO (R_PPC64_TLS,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_TLS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- HOWTO (R_PPC64_TLSGD,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_TLSGD", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- HOWTO (R_PPC64_TLSLD,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_TLSLD", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- HOWTO (R_PPC64_TOCSAVE,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_TOCSAVE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TLS, 2, 32, 0, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
+
+ HOW (R_PPC64_TLSGD, 2, 32, 0, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
+
+ HOW (R_PPC64_TLSLD, 2, 32, 0, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
+
+ /* Marker reloc for optimizing r2 save in prologue rather than on
+ each plt call stub. */
+ HOW (R_PPC64_TOCSAVE, 2, 32, 0, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
+
+ /* Marker relocs on inline plt call instructions. */
+ HOW (R_PPC64_PLTSEQ, 2, 32, 0, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
+
+ HOW (R_PPC64_PLTCALL, 2, 32, 0, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* Computes the load module index of the load module that contains the
definition of its TLS sym. */
- HOWTO (R_PPC64_DTPMOD64,
- 0, /* rightshift */
- 4, /* size (0 = byte, 1 = short, 2 = long) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPMOD64", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPMOD64, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Computes a dtv-relative displacement, the difference between the value
of sym+add and the base address of the thread-local storage block that
contains the definition of sym, minus 0x8000. */
- HOWTO (R_PPC64_DTPREL64,
- 0, /* rightshift */
- 4, /* size (0 = byte, 1 = short, 2 = long) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL64", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL64, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* A 16 bit dtprel reloc. */
- HOWTO (R_PPC64_DTPREL16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16, 1, 16, 0xffff, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16, but no overflow. */
- HOWTO (R_PPC64_DTPREL16_LO,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16_LO, but next higher group of 16 bits. */
- HOWTO (R_PPC64_DTPREL16_HI,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16_HI, but adjust for low 16 bits. */
- HOWTO (R_PPC64_DTPREL16_HA,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16_HI, but next higher group of 16 bits. */
- HOWTO (R_PPC64_DTPREL16_HIGHER,
- 32, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_HIGHER", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_HIGHER, 1, 16, 0xffff, 32, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16_HIGHER, but adjust for low 16 bits. */
- HOWTO (R_PPC64_DTPREL16_HIGHERA,
- 32, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_HIGHERA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_HIGHERA, 1, 16, 0xffff, 32, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16_HIGHER, but next higher group of 16 bits. */
- HOWTO (R_PPC64_DTPREL16_HIGHEST,
- 48, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_HIGHEST", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_HIGHEST, 1, 16, 0xffff, 48, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16_HIGHEST, but adjust for low 16 bits. */
- HOWTO (R_PPC64_DTPREL16_HIGHESTA,
- 48, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_HIGHESTA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_HIGHESTA, 1, 16, 0xffff, 48, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16, but for insns with a DS field. */
- HOWTO (R_PPC64_DTPREL16_DS,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like DTPREL16_DS, but no overflow. */
- HOWTO (R_PPC64_DTPREL16_LO_DS,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_LO_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Computes a tp-relative displacement, the difference between the value of
sym+add and the value of the thread pointer (r13). */
- HOWTO (R_PPC64_TPREL64,
- 0, /* rightshift */
- 4, /* size (0 = byte, 1 = short, 2 = long) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL64", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL64, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* A 16 bit tprel reloc. */
- HOWTO (R_PPC64_TPREL16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16, 1, 16, 0xffff, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16, but no overflow. */
- HOWTO (R_PPC64_TPREL16_LO,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16_LO, but next higher group of 16 bits. */
- HOWTO (R_PPC64_TPREL16_HI,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16_HI, but adjust for low 16 bits. */
- HOWTO (R_PPC64_TPREL16_HA,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16_HI, but next higher group of 16 bits. */
- HOWTO (R_PPC64_TPREL16_HIGHER,
- 32, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_HIGHER", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_HIGHER, 1, 16, 0xffff, 32, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16_HIGHER, but adjust for low 16 bits. */
- HOWTO (R_PPC64_TPREL16_HIGHERA,
- 32, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_HIGHERA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_HIGHERA, 1, 16, 0xffff, 32, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16_HIGHER, but next higher group of 16 bits. */
- HOWTO (R_PPC64_TPREL16_HIGHEST,
- 48, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_HIGHEST", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_HIGHEST, 1, 16, 0xffff, 48, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16_HIGHEST, but adjust for low 16 bits. */
- HOWTO (R_PPC64_TPREL16_HIGHESTA,
- 48, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_HIGHESTA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_HIGHESTA, 1, 16, 0xffff, 48, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16, but for insns with a DS field. */
- HOWTO (R_PPC64_TPREL16_DS,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like TPREL16_DS, but no overflow. */
- HOWTO (R_PPC64_TPREL16_LO_DS,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_LO_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset
to the first entry relative to the TOC base (r2). */
- HOWTO (R_PPC64_GOT_TLSGD16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TLSGD16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TLSGD16, 1, 16, 0xffff, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TLSGD16, but no overflow. */
- HOWTO (R_PPC64_GOT_TLSGD16_LO,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TLSGD16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TLSGD16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */
- HOWTO (R_PPC64_GOT_TLSGD16_HI,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TLSGD16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TLSGD16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */
- HOWTO (R_PPC64_GOT_TLSGD16_HA,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TLSGD16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TLSGD16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
with values (sym+add)@dtpmod and zero, and computes the offset to the
first entry relative to the TOC base (r2). */
- HOWTO (R_PPC64_GOT_TLSLD16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TLSLD16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TLSLD16, 1, 16, 0xffff, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TLSLD16, but no overflow. */
- HOWTO (R_PPC64_GOT_TLSLD16_LO,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TLSLD16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TLSLD16_LO, 1, 16, 0xffff, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */
- HOWTO (R_PPC64_GOT_TLSLD16_HI,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TLSLD16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TLSLD16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */
- HOWTO (R_PPC64_GOT_TLSLD16_HA,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TLSLD16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TLSLD16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes
the offset to the entry relative to the TOC base (r2). */
- HOWTO (R_PPC64_GOT_DTPREL16_DS,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_DTPREL16_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_DTPREL16_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_DTPREL16_DS, but no overflow. */
- HOWTO (R_PPC64_GOT_DTPREL16_LO_DS,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_DTPREL16_LO_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_DTPREL16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_DTPREL16_LO_DS, but next higher group of 16 bits. */
- HOWTO (R_PPC64_GOT_DTPREL16_HI,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_DTPREL16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_DTPREL16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */
- HOWTO (R_PPC64_GOT_DTPREL16_HA,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_DTPREL16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_DTPREL16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the
offset to the entry relative to the TOC base (r2). */
- HOWTO (R_PPC64_GOT_TPREL16_DS,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TPREL16_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TPREL16_DS, 1, 16, 0xfffc, 0, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TPREL16_DS, but no overflow. */
- HOWTO (R_PPC64_GOT_TPREL16_LO_DS,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TPREL16_LO_DS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TPREL16_LO_DS, 1, 16, 0xfffc, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TPREL16_LO_DS, but next higher group of 16 bits. */
- HOWTO (R_PPC64_GOT_TPREL16_HI,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TPREL16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TPREL16_HI, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
/* Like GOT_TPREL16_HI, but adjust for low 16 bits. */
- HOWTO (R_PPC64_GOT_TPREL16_HA,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_GOT_TPREL16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- HOWTO (R_PPC64_JMP_IREL, /* type */
- 0, /* rightshift */
- 0, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_JMP_IREL", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- HOWTO (R_PPC64_IRELATIVE, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_IRELATIVE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GOT_TPREL16_HA, 1, 16, 0xffff, 16, FALSE, signed,
+ ppc64_elf_unhandled_reloc),
+
+ HOW (R_PPC64_JMP_IREL, 0, 0, 0, 0, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
+
+ HOW (R_PPC64_IRELATIVE, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* A 16 bit relative relocation. */
- HOWTO (R_PPC64_REL16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_REL16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL16, 1, 16, 0xffff, 0, TRUE, signed,
+ bfd_elf_generic_reloc),
/* A 16 bit relative relocation without overflow. */
- HOWTO (R_PPC64_REL16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_REL16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL16_LO, 1, 16, 0xffff, 0, TRUE, dont,
+ bfd_elf_generic_reloc),
/* The high order 16 bits of a relative address. */
- HOWTO (R_PPC64_REL16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_REL16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL16_HI, 1, 16, 0xffff, 16, TRUE, signed,
+ bfd_elf_generic_reloc),
/* The high order 16 bits of a relative address, plus 1 if the contents of
the low 16 bits, treated as a signed number, is negative. */
- HOWTO (R_PPC64_REL16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_ha_reloc, /* special_function */
- "R_PPC64_REL16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL16_HA, 1, 16, 0xffff, 16, TRUE, signed,
+ ppc64_elf_ha_reloc),
+
+ HOW (R_PPC64_REL16_HIGH, 1, 16, 0xffff, 16, TRUE, dont,
+ bfd_elf_generic_reloc),
+
+ HOW (R_PPC64_REL16_HIGHA, 1, 16, 0xffff, 16, TRUE, dont,
+ ppc64_elf_ha_reloc),
+
+ HOW (R_PPC64_REL16_HIGHER, 1, 16, 0xffff, 32, TRUE, dont,
+ bfd_elf_generic_reloc),
+
+ HOW (R_PPC64_REL16_HIGHERA, 1, 16, 0xffff, 32, TRUE, dont,
+ ppc64_elf_ha_reloc),
+
+ HOW (R_PPC64_REL16_HIGHEST, 1, 16, 0xffff, 48, TRUE, dont,
+ bfd_elf_generic_reloc),
+
+ HOW (R_PPC64_REL16_HIGHESTA, 1, 16, 0xffff, 48, TRUE, dont,
+ ppc64_elf_ha_reloc),
/* Like R_PPC64_REL16_HA but for split field in addpcis. */
- HOWTO (R_PPC64_REL16DX_HA, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_ha_reloc, /* special_function */
- "R_PPC64_REL16DX_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x1fffc1, /* dst_mask */
- TRUE), /* pcrel_offset */
+ HOW (R_PPC64_REL16DX_HA, 2, 16, 0x1fffc1, 16, TRUE, signed,
+ ppc64_elf_ha_reloc),
/* A split-field reloc for addpcis, non-relative (gas internal use only). */
- HOWTO (R_PPC64_16DX_HA, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc64_elf_ha_reloc, /* special_function */
- "R_PPC64_16DX_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x1fffc1, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_16DX_HA, 2, 16, 0x1fffc1, 16, FALSE, signed,
+ ppc64_elf_ha_reloc),
/* Like R_PPC64_ADDR16_HI, but no overflow. */
- HOWTO (R_PPC64_ADDR16_HIGH, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR16_HIGH", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_HIGH, 1, 16, 0xffff, 16, FALSE, dont,
+ bfd_elf_generic_reloc),
/* Like R_PPC64_ADDR16_HA, but no overflow. */
- HOWTO (R_PPC64_ADDR16_HIGHA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_ha_reloc, /* special_function */
- "R_PPC64_ADDR16_HIGHA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR16_HIGHA, 1, 16, 0xffff, 16, FALSE, dont,
+ ppc64_elf_ha_reloc),
/* Like R_PPC64_DTPREL16_HI, but no overflow. */
- HOWTO (R_PPC64_DTPREL16_HIGH,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_HIGH", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_HIGH, 1, 16, 0xffff, 16, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_DTPREL16_HA, but no overflow. */
- HOWTO (R_PPC64_DTPREL16_HIGHA,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_DTPREL16_HIGHA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_DTPREL16_HIGHA, 1, 16, 0xffff, 16, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_TPREL16_HI, but no overflow. */
- HOWTO (R_PPC64_TPREL16_HIGH,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_HIGH", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_HIGH, 1, 16, 0xffff, 16, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Like R_PPC64_TPREL16_HA, but no overflow. */
- HOWTO (R_PPC64_TPREL16_HIGHA,
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
- "R_PPC64_TPREL16_HIGHA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_TPREL16_HIGHA, 1, 16, 0xffff, 16, FALSE, dont,
+ ppc64_elf_unhandled_reloc),
/* Marker reloc on ELFv2 large-model function entry. */
- HOWTO (R_PPC64_ENTRY,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ENTRY, 2, 32, 0, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* Like ADDR64, but use local entry point of function. */
- HOWTO (R_PPC64_ADDR64_LOCAL, /* type */
- 0, /* rightshift */
- 4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
- 64, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR64_LOCAL", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- ONES (64), /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_ADDR64_LOCAL, 4, 64, 0xffffffffffffffffULL, 0, FALSE, dont,
+ bfd_elf_generic_reloc),
/* GNU extension to record C++ vtable hierarchy. */
- HOWTO (R_PPC64_GNU_VTINHERIT, /* type */
- 0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_PPC64_GNU_VTINHERIT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GNU_VTINHERIT, 0, 0, 0, 0, FALSE, dont,
+ NULL),
/* GNU extension to record C++ vtable member usage. */
- HOWTO (R_PPC64_GNU_VTENTRY, /* type */
- 0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_PPC64_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ HOW (R_PPC64_GNU_VTENTRY, 0, 0, 0, 0, FALSE, dont,
+ NULL),
};
\f
}
static reloc_howto_type *
-ppc64_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ppc64_elf_reloc_type_lookup (bfd *abfd,
bfd_reloc_code_real_type code)
{
enum elf_ppc64_reloc_type r = R_PPC64_NONE;
switch (code)
{
default:
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd,
+ (int) code);
+ bfd_set_error (bfd_error_bad_value);
return NULL;
case BFD_RELOC_NONE: r = R_PPC64_NONE;
break;
case BFD_RELOC_PPC_B26: r = R_PPC64_REL24;
break;
+ case BFD_RELOC_PPC64_REL24_NOTOC: r = R_PPC64_REL24_NOTOC;
+ break;
case BFD_RELOC_PPC_B16: r = R_PPC64_REL14;
break;
case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC64_REL14_BRTAKEN;
break;
case BFD_RELOC_HI16_S_PCREL: r = R_PPC64_REL16_HA;
break;
+ case BFD_RELOC_PPC64_REL16_HIGH: r = R_PPC64_REL16_HIGH;
+ break;
+ case BFD_RELOC_PPC64_REL16_HIGHA: r = R_PPC64_REL16_HIGHA;
+ break;
+ case BFD_RELOC_PPC64_REL16_HIGHER: r = R_PPC64_REL16_HIGHER;
+ break;
+ case BFD_RELOC_PPC64_REL16_HIGHERA: r = R_PPC64_REL16_HIGHERA;
+ break;
+ case BFD_RELOC_PPC64_REL16_HIGHEST: r = R_PPC64_REL16_HIGHEST;
+ break;
+ case BFD_RELOC_PPC64_REL16_HIGHESTA: r = R_PPC64_REL16_HIGHESTA;
+ break;
case BFD_RELOC_PPC_16DX_HA: r = R_PPC64_16DX_HA;
break;
case BFD_RELOC_PPC_REL16DX_HA: r = R_PPC64_REL16DX_HA;
/* Set the howto pointer for a PowerPC ELF reloc. */
-static void
+static bfd_boolean
ppc64_elf_info_to_howto (bfd *abfd, arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
if (type >= ARRAY_SIZE (ppc64_elf_howto_table))
{
/* xgettext:c-format */
- _bfd_error_handler (_("%B: invalid relocation type %d"),
- abfd, (int) type);
- type = R_PPC64_NONE;
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
}
cache_ptr->howto = ppc64_elf_howto_table[type];
+ if (cache_ptr->howto == NULL || cache_ptr->howto->name == NULL)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ return TRUE;
}
/* Handle the R_PPC64_ADDR16_HA and similar relocs. */
/* Reference count until size_dynamic_sections, GOT offset thereafter. */
union
- {
- bfd_signed_vma refcount;
- bfd_vma offset;
- struct got_entry *ent;
- } got;
+ {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ struct got_entry *ent;
+ } got;
};
/* The same for PLT. */
bfd_vma addend;
union
- {
- bfd_signed_vma refcount;
- bfd_vma offset;
- } plt;
+ {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ } plt;
};
struct ppc64_elf_obj_tdata
sections means we potentially need one of these for each input bfd. */
struct got_entry tlsld_got;
- union {
+ union
+ {
/* A copy of relocs before they are modified for --emit-relocs. */
Elf_Internal_Rela *relocs;
case NT_PRPSINFO:
{
- char data[136];
+ char data[136] ATTRIBUTE_NONSTRING;
va_list ap;
va_start (ap, note_type);
memset (data, 0, sizeof (data));
strncpy (data + 40, va_arg (ap, const char *), 16);
+#if GCC_VERSION == 8000 || GCC_VERSION == 8001
+ DIAGNOSTIC_PUSH;
+ /* GCC 8.0 and 8.1 warn about 80 equals destination size with
+ -Wstringop-truncation:
+ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
+ */
+ DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
+#endif
strncpy (data + 56, va_arg (ap, const char *), 80);
+#if GCC_VERSION == 8000 || GCC_VERSION == 8001
+ DIAGNOSTIC_POP;
+#endif
va_end (ap);
return elfcore_write_note (abfd, buf, bufsiz,
"CORE", note_type, data, sizeof (data));
/* Add extra PPC sections. */
-static const struct bfd_elf_special_section ppc64_elf_special_sections[]=
+static const struct bfd_elf_special_section ppc64_elf_special_sections[] =
{
- { STRING_COMMA_LEN (".plt"), 0, SHT_NOBITS, 0 },
- { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { STRING_COMMA_LEN (".plt"), 0, SHT_NOBITS, 0 },
+ { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
{ STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
- { STRING_COMMA_LEN (".toc"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
- { STRING_COMMA_LEN (".toc1"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { STRING_COMMA_LEN (".toc"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { STRING_COMMA_LEN (".toc1"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
{ STRING_COMMA_LEN (".tocbss"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
- { NULL, 0, 0, 0, 0 }
+ { NULL, 0, 0, 0, 0 }
};
enum _ppc64_sec_type {
/* Flag set when small branches are detected. Used to
select suitable defaults for the stub group size. */
unsigned int has_14bit_branch:1;
+
+ /* Flag set when PLTCALL relocs are detected. */
+ unsigned int has_pltcall:1;
};
#define ppc64_elf_section_data(sec) \
static int
compare_symbols (const void *ap, const void *bp)
{
- const asymbol *a = * (const asymbol **) ap;
- const asymbol *b = * (const asymbol **) bp;
+ const asymbol *a = *(const asymbol **) ap;
+ const asymbol *b = *(const asymbol **) bp;
/* Section symbols first. */
if ((a->flags & BSF_SECTION_SYM) && !(b->flags & BSF_SECTION_SYM))
}
/* then other code symbols. */
- if ((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
- == (SEC_CODE | SEC_ALLOC)
- && (b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
- != (SEC_CODE | SEC_ALLOC))
+ if (((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
+ == (SEC_CODE | SEC_ALLOC))
+ && ((b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
+ != (SEC_CODE | SEC_ALLOC)))
return -1;
- if ((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
- != (SEC_CODE | SEC_ALLOC)
- && (b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
- == (SEC_CODE | SEC_ALLOC))
+ if (((a->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
+ != (SEC_CODE | SEC_ALLOC))
+ && ((b->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
+ == (SEC_CODE | SEC_ALLOC)))
return 1;
if (synthetic_relocatable)
asymbol **ret)
{
asymbol *s;
- long i;
- long count;
+ size_t i, j, count;
char *names;
- long symcount, codesecsym, codesecsymend, secsymend, opdsymend;
+ size_t symcount, codesecsym, codesecsymend, secsymend, opdsymend;
asection *opd = NULL;
bfd_boolean relocatable = (abfd->flags & (EXEC_P | DYNAMIC)) == 0;
asymbol **syms;
return 0;
}
- symcount = static_count;
- if (!relocatable)
- symcount += dyn_count;
- if (symcount == 0)
- return 0;
-
- syms = bfd_malloc ((symcount + 1) * sizeof (*syms));
- if (syms == NULL)
- return -1;
-
- if (!relocatable && static_count != 0 && dyn_count != 0)
+ syms = NULL;
+ codesecsym = 0;
+ codesecsymend = 0;
+ secsymend = 0;
+ opdsymend = 0;
+ symcount = 0;
+ if (opd != NULL)
{
- /* Use both symbol tables. */
- memcpy (syms, static_syms, static_count * sizeof (*syms));
- memcpy (syms + static_count, dyn_syms, (dyn_count + 1) * sizeof (*syms));
- }
- else if (!relocatable && static_count == 0)
- memcpy (syms, dyn_syms, (symcount + 1) * sizeof (*syms));
- else
- memcpy (syms, static_syms, (symcount + 1) * sizeof (*syms));
+ symcount = static_count;
+ if (!relocatable)
+ symcount += dyn_count;
+ if (symcount == 0)
+ return 0;
- synthetic_relocatable = relocatable;
- synthetic_opd = opd;
- qsort (syms, symcount, sizeof (*syms), compare_symbols);
+ syms = bfd_malloc ((symcount + 1) * sizeof (*syms));
+ if (syms == NULL)
+ return -1;
- if (!relocatable && symcount > 1)
- {
- long j;
- /* Trim duplicate syms, since we may have merged the normal and
- dynamic symbols. Actually, we only care about syms that have
- different values, so trim any with the same value. */
- for (i = 1, j = 1; i < symcount; ++i)
- if (syms[i - 1]->value + syms[i - 1]->section->vma
- != syms[i]->value + syms[i]->section->vma)
+ if (!relocatable && static_count != 0 && dyn_count != 0)
+ {
+ /* Use both symbol tables. */
+ memcpy (syms, static_syms, static_count * sizeof (*syms));
+ memcpy (syms + static_count, dyn_syms,
+ (dyn_count + 1) * sizeof (*syms));
+ }
+ else if (!relocatable && static_count == 0)
+ memcpy (syms, dyn_syms, (symcount + 1) * sizeof (*syms));
+ else
+ memcpy (syms, static_syms, (symcount + 1) * sizeof (*syms));
+
+ /* Trim uninteresting symbols. Interesting symbols are section,
+ function, and notype symbols. */
+ for (i = 0, j = 0; i < symcount; ++i)
+ if ((syms[i]->flags & (BSF_FILE | BSF_OBJECT | BSF_THREAD_LOCAL
+ | BSF_RELC | BSF_SRELC)) == 0)
syms[j++] = syms[i];
symcount = j;
- }
- i = 0;
- /* Note that here and in compare_symbols we can't compare opd and
- sym->section directly. With separate debug info files, the
- symbols will be extracted from the debug file while abfd passed
- to this function is the real binary. */
- if (opd != NULL && strcmp (syms[i]->section->name, ".opd") == 0)
- ++i;
- codesecsym = i;
-
- for (; i < symcount; ++i)
- if (((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
- != (SEC_CODE | SEC_ALLOC))
- || (syms[i]->flags & BSF_SECTION_SYM) == 0)
- break;
- codesecsymend = i;
-
- for (; i < symcount; ++i)
- if ((syms[i]->flags & BSF_SECTION_SYM) == 0)
- break;
- secsymend = i;
+ synthetic_relocatable = relocatable;
+ synthetic_opd = opd;
+ qsort (syms, symcount, sizeof (*syms), compare_symbols);
+
+ if (!relocatable && symcount > 1)
+ {
+ /* Trim duplicate syms, since we may have merged the normal
+ and dynamic symbols. Actually, we only care about syms
+ that have different values, so trim any with the same
+ value. Don't consider ifunc and ifunc resolver symbols
+ duplicates however, because GDB wants to know whether a
+ text symbol is an ifunc resolver. */
+ for (i = 1, j = 1; i < symcount; ++i)
+ {
+ const asymbol *s0 = syms[i - 1];
+ const asymbol *s1 = syms[i];
+
+ if ((s0->value + s0->section->vma
+ != s1->value + s1->section->vma)
+ || ((s0->flags & BSF_GNU_INDIRECT_FUNCTION)
+ != (s1->flags & BSF_GNU_INDIRECT_FUNCTION)))
+ syms[j++] = syms[i];
+ }
+ symcount = j;
+ }
+
+ i = 0;
+ /* Note that here and in compare_symbols we can't compare opd and
+ sym->section directly. With separate debug info files, the
+ symbols will be extracted from the debug file while abfd passed
+ to this function is the real binary. */
+ if (strcmp (syms[i]->section->name, ".opd") == 0)
+ ++i;
+ codesecsym = i;
+
+ for (; i < symcount; ++i)
+ if (((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC
+ | SEC_THREAD_LOCAL))
+ != (SEC_CODE | SEC_ALLOC))
+ || (syms[i]->flags & BSF_SECTION_SYM) == 0)
+ break;
+ codesecsymend = i;
- if (opd != NULL)
- for (; i < symcount; ++i)
- if (strcmp (syms[i]->section->name, ".opd") != 0)
- break;
- opdsymend = i;
+ for (; i < symcount; ++i)
+ if ((syms[i]->flags & BSF_SECTION_SYM) == 0)
+ break;
+ secsymend = i;
- for (; i < symcount; ++i)
- if ((syms[i]->section->flags & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL))
- != (SEC_CODE | SEC_ALLOC))
- break;
- symcount = i;
+ for (; i < symcount; ++i)
+ if (strcmp (syms[i]->section->name, ".opd") != 0)
+ break;
+ opdsymend = i;
+ for (; i < symcount; ++i)
+ if (((syms[i]->section->flags
+ & (SEC_CODE | SEC_ALLOC | SEC_THREAD_LOCAL)))
+ != (SEC_CODE | SEC_ALLOC))
+ break;
+ symcount = i;
+ }
count = 0;
if (relocatable)
bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean);
arelent *r;
size_t size;
- long relcount;
+ size_t relcount;
if (opdsymend == secsymend)
goto done;
bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean);
bfd_byte *contents = NULL;
size_t size;
- long plt_count = 0;
+ size_t plt_count = 0;
bfd_vma glink_vma = 0, resolv_vma = 0;
asection *dynamic, *glink = NULL, *relplt = NULL;
arelent *p;
if (dyn.d_tag == DT_PPC64_GLINK)
{
- /* The first glink stub starts at offset 32; see
- comment in ppc64_elf_finish_dynamic_sections. */
- glink_vma = dyn.d_un.d_val + GLINK_CALL_STUB_SIZE - 8 * 4;
+ /* The first glink stub starts at DT_PPC64_GLINK plus 32.
+ See comment in ppc64_elf_finish_dynamic_sections. */
+ glink_vma = dyn.d_un.d_val + 8 * 4;
/* The .glink section usually does not survive the final
link; search for the section (usually .text) where the
glink stubs now reside. */
insn ^= B_DOT;
if ((insn & ~0x3fffffc) == 0)
{
- resolv_vma = glink_vma + off + (insn ^ 0x2000000) - 0x2000000;
+ resolv_vma
+ = glink_vma + off + (insn ^ 0x2000000) - 0x2000000;
break;
}
off += 4;
if (relplt != NULL)
{
slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
- if (! (*slurp_relocs) (abfd, relplt, dyn_syms, TRUE))
+ if (!(*slurp_relocs) (abfd, relplt, dyn_syms, TRUE))
goto free_contents_and_exit_err;
plt_count = relplt->size / sizeof (Elf64_External_Rela);
ent = bfd_get_64 (abfd, contents + syms[i]->value);
if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
{
- long lo, hi;
+ size_t lo, hi;
size_t len;
asection *sec = abfd->sections;
hi = codesecsymend;
while (lo < hi)
{
- long mid = (lo + hi) >> 1;
+ size_t mid = (lo + hi) >> 1;
if (syms[mid]->section->vma < ent)
lo = mid + 1;
else if (syms[mid]->section->vma > ent)
s->section = glink;
s->value = resolv_vma - glink->vma;
s->name = names;
- memcpy (names, "__glink_PLTresolve", sizeof ("__glink_PLTresolve"));
+ memcpy (names, "__glink_PLTresolve",
+ sizeof ("__glink_PLTresolve"));
names += sizeof ("__glink_PLTresolve");
s++;
count++;
calls may use the function descriptor symbol, ie. "bl foo". This
behaves exactly as "bl .foo". */
-/* Of those relocs that might be copied as dynamic relocs, this function
- selects those that must be copied when linking a shared library,
- even when the symbol is local. */
+/* Of those relocs that might be copied as dynamic relocs, this
+ function selects those that must be copied when linking a shared
+ library or PIE, even when the symbol is local. */
static int
must_be_dyn_reloc (struct bfd_link_info *info,
switch (r_type)
{
default:
+ /* Only relative relocs can be resolved when the object load
+ address isn't fixed. DTPREL64 is excluded because the
+ dynamic linker needs to differentiate global dynamic from
+ local dynamic __tls_index pairs when PPC64_OPT_TLS is set. */
return 1;
case R_PPC64_REL32:
case R_PPC64_TPREL16_HIGHEST:
case R_PPC64_TPREL16_HIGHESTA:
case R_PPC64_TPREL64:
- return !bfd_link_executable (info);
+ /* These relocations are relative but in a shared library the
+ linker doesn't know the thread pointer base. */
+ return bfd_link_dll (info);
}
}
Used to call a function in a shared library. If it so happens that
the plt entry referenced crosses a 64k boundary, then an extra
"addi %r11,%r11,xxx@toc@l" will be inserted before the "mtctr".
- . std %r2,40(%r1)
+ ppc_stub_plt_call_r2save starts with "std %r2,40(%r1)".
. addis %r11,%r2,xxx@toc@ha
. ld %r12,xxx+0@toc@l(%r11)
. mtctr %r12
. mtctr %r12
. bctr
- In cases where the "addis" instruction would add zero, the "addis" is
- omitted and following instructions modified slightly in some cases.
-*/
+ All of the above stubs are shown as their ELFv1 variants. ELFv2
+ variants exist too, simpler for plt calls since a new toc pointer
+ and static chain are not loaded by the stub. In addition, ELFv2
+ has some more complex stubs to handle calls marked with NOTOC
+ relocs from functions where r2 is not a valid toc pointer. These
+ come in two flavours, the ones shown below, and _both variants that
+ start with "std %r2,24(%r1)" to save r2 in the unlikely event that
+ one call is from a function where r2 is used as the toc pointer but
+ needs a toc adjusting stub for small-model multi-toc, and another
+ call is from a function where r2 is not valid.
+ ppc_stub_long_branch_notoc:
+ . mflr %r12
+ . bcl 20,31,1f
+ . 1:
+ . mflr %r11
+ . mtlr %r12
+ . addis %r12,%r11,dest-1b@ha
+ . addi %r12,%r12,dest-1b@l
+ . b dest
+
+ ppc_stub_plt_branch_notoc:
+ . mflr %r12
+ . bcl 20,31,1f
+ . 1:
+ . mflr %r11
+ . mtlr %r12
+ . lis %r12,xxx-1b@highest
+ . ori %r12,%r12,xxx-1b@higher
+ . sldi %r12,%r12,32
+ . oris %r12,%r12,xxx-1b@high
+ . ori %r12,%r12,xxx-1b@l
+ . add %r12,%r11,%r12
+ . mtctr %r12
+ . bctr
+
+ ppc_stub_plt_call_notoc:
+ . mflr %r12
+ . bcl 20,31,1f
+ . 1:
+ . mflr %r11
+ . mtlr %r12
+ . lis %r12,xxx-1b@highest
+ . ori %r12,%r12,xxx-1b@higher
+ . sldi %r12,%r12,32
+ . oris %r12,%r12,xxx-1b@high
+ . ori %r12,%r12,xxx-1b@l
+ . ldx %r12,%r11,%r12
+ . mtctr %r12
+ . bctr
-enum ppc_stub_type {
+ In cases where the high instructions would add zero, they are
+ omitted and following instructions modified in some cases.
+
+ For a given stub group (a set of sections all using the same toc
+ pointer value) there will be just one stub type used for any
+ particular function symbol. For example, if printf is called from
+ code with the tocsave optimization (ie. r2 saved in function
+ prologue) and therefore calls use a ppc_stub_plt_call linkage stub,
+ and from other code without the tocsave optimization requiring a
+ ppc_stub_plt_call_r2save linkage stub, a single stub of the latter
+ type will be created. Calls with the tocsave optimization will
+ enter this stub after the instruction saving r2. A similar
+ situation exists when calls are marked with R_PPC64_REL24_NOTOC
+ relocations. These require a ppc_stub_plt_call_notoc linkage stub
+ to call an external function like printf. If other calls to printf
+ require a ppc_stub_plt_call linkage stub then a single
+ ppc_stub_plt_call_notoc linkage stub will be used for both types of
+ call. If other calls to printf require a ppc_stub_plt_call_r2save
+ linkage stub then a single ppc_stub_plt_call_both linkage stub will
+ be created and calls not requiring r2 to be saved will enter the
+ stub after the r2 save instruction. There is an analogous
+ hierarchy of long branch and plt branch stubs for local call
+ linkage. */
+
+enum ppc_stub_type
+{
ppc_stub_none,
ppc_stub_long_branch,
ppc_stub_long_branch_r2off,
+ ppc_stub_long_branch_notoc,
+ ppc_stub_long_branch_both, /* r2off and notoc variants both needed. */
ppc_stub_plt_branch,
ppc_stub_plt_branch_r2off,
+ ppc_stub_plt_branch_notoc,
+ ppc_stub_plt_branch_both,
ppc_stub_plt_call,
ppc_stub_plt_call_r2save,
+ ppc_stub_plt_call_notoc,
+ ppc_stub_plt_call_both,
ppc_stub_global_entry,
ppc_stub_save_res
};
/* Whether to emit a copy of register save/restore functions in this
group. */
int needs_save_res;
+ /* Current offset within stubs after the insn restoring lr in a
+ _notoc or _both stub using bcl for pc-relative addressing, or
+ after the insn restoring lr in a __tls_get_addr_opt plt stub. */
+ unsigned int lr_restore;
+ /* Accumulated size of EH info emitted to describe return address
+ if stubs modify lr. Does not include 17 byte FDE header. */
+ unsigned int eh_size;
+ /* Offset in glink_eh_frame to the start of EH info for this group. */
+ unsigned int eh_base;
};
-struct ppc_stub_hash_entry {
-
+struct ppc_stub_hash_entry
+{
/* Base hash table entry structure. */
struct bfd_hash_entry root;
struct ppc_link_hash_entry *h;
struct plt_entry *plt_ent;
+ /* Symbol type. */
+ unsigned char symtype;
+
/* Symbol st_other. */
unsigned char other;
};
-struct ppc_branch_hash_entry {
-
+struct ppc_branch_hash_entry
+{
/* Base hash table entry structure. */
struct bfd_hash_entry root;
{
struct elf_link_hash_entry elf;
- union {
+ union
+ {
/* A pointer to the most recently used stub hash entry against this
symbol. */
struct ppc_stub_hash_entry *stub_cache;
/* Track dynamic relocs copied for this symbol. */
struct elf_dyn_relocs *dyn_relocs;
- /* Chain of aliases referring to a weakdef. */
- struct ppc_link_hash_entry *weakref;
-
/* Link between function code and descriptor symbols. */
struct ppc_link_hash_entry *oh;
with non-standard calling convention. */
unsigned int save_res:1;
+ /* Set if a duplicate symbol with non-zero localentry is detected,
+ even when the duplicate symbol does not provide a definition. */
+ unsigned int non_zero_localentry:1;
+
/* Contexts in which symbol is used in the GOT (or TOC).
- TLS_GD .. TLS_EXPLICIT bits are or'd into the mask as the
- corresponding relocs are encountered during check_relocs.
- tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to
- indicate the corresponding GOT entry type is not needed.
- tls_optimize may also set TLS_TPRELGD when a GD reloc turns into
- a TPREL one. We use a separate flag rather than setting TPREL
- just for convenience in distinguishing the two cases. */
-#define TLS_GD 1 /* GD reloc. */
-#define TLS_LD 2 /* LD reloc. */
-#define TLS_TPREL 4 /* TPREL reloc, => IE. */
-#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */
-#define TLS_TLS 16 /* Any TLS reloc. */
-#define TLS_EXPLICIT 32 /* Marks TOC section TLS relocs. */
+ Bits are or'd into the mask as the corresponding relocs are
+ encountered during check_relocs, with TLS_TLS being set when any
+ of the other TLS bits are set. tls_optimize clears bits when
+ optimizing to indicate the corresponding GOT entry type is not
+ needed. If set, TLS_TLS is never cleared. tls_optimize may also
+ set TLS_TPRELGD when a GD reloc turns into a TPREL one. We use a
+ separate flag rather than setting TPREL just for convenience in
+ distinguishing the two cases.
+ These flags are also kept for local symbols. */
+#define TLS_TLS 1 /* Any TLS reloc. */
+#define TLS_GD 2 /* GD reloc. */
+#define TLS_LD 4 /* LD reloc. */
+#define TLS_TPREL 8 /* TPREL reloc, => IE. */
+#define TLS_DTPREL 16 /* DTPREL reloc, => LD. */
+#define TLS_MARK 32 /* __tls_get_addr call marked. */
#define TLS_TPRELGD 64 /* TPREL reloc resulting from GD->IE. */
-#define PLT_IFUNC 128 /* STT_GNU_IFUNC. */
+#define TLS_EXPLICIT 128 /* Marks TOC section TLS relocs. */
unsigned char tls_mask;
+
+ /* The above field is also used to mark function symbols. In which
+ case TLS_TLS will be 0. */
+#define PLT_IFUNC 2 /* STT_GNU_IFUNC. */
+#define PLT_KEEP 4 /* inline plt call requires plt entry. */
+#define NON_GOT 256 /* local symbol plt, not stored. */
};
/* ppc64 ELF linker hash table. */
/* Shortcuts to get to dynamic linker sections. */
asection *glink;
+ asection *global_entry;
asection *sfpr;
+ asection *pltlocal;
+ asection *relpltlocal;
asection *brlt;
asection *relbrlt;
asection *glink_eh_frame;
unsigned int second_toc_pass:1;
unsigned int do_toc_opt:1;
+ /* Set if tls optimization is enabled. */
+ unsigned int do_tls_opt:1;
+
+ /* Set if inline plt calls should be converted to direct calls. */
+ unsigned int can_convert_all_inline_plt:1;
+
/* Set on error. */
unsigned int stub_error:1;
unsigned int local_ifunc_resolver:1;
unsigned int maybe_local_ifunc_resolver:1;
+ /* Whether plt calls for ELFv2 localentry:0 funcs have been optimized. */
+ unsigned int has_plt_localentry0:1;
+
/* Incremented every time we size stubs. */
unsigned int stub_iteration;
/* Nonzero if this section has TLS related relocations. */
#define has_tls_reloc sec_flg0
-/* Nonzero if this section has a call to __tls_get_addr. */
+/* Nonzero if this section has an old-style call to __tls_get_addr. */
#define has_tls_get_addr_call sec_flg1
/* Nonzero if this section has any toc or got relocs. */
return entry;
}
-struct tocsave_entry {
+struct tocsave_entry
+{
asection *sec;
bfd_vma offset;
};
htab->sfpr = bfd_make_section_anyway_with_flags (dynobj, ".sfpr",
flags);
if (htab->sfpr == NULL
- || ! bfd_set_section_alignment (dynobj, htab->sfpr, 2))
+ || !bfd_set_section_alignment (dynobj, htab->sfpr, 2))
return FALSE;
}
htab->glink = bfd_make_section_anyway_with_flags (dynobj, ".glink",
flags);
if (htab->glink == NULL
- || ! bfd_set_section_alignment (dynobj, htab->glink, 3))
+ || !bfd_set_section_alignment (dynobj, htab->glink, 3))
+ return FALSE;
+
+ /* The part of .glink used by global entry stubs, separate so that
+ it can be aligned appropriately without affecting htab->glink. */
+ htab->global_entry = bfd_make_section_anyway_with_flags (dynobj, ".glink",
+ flags);
+ if (htab->global_entry == NULL
+ || !bfd_set_section_alignment (dynobj, htab->global_entry, 2))
return FALSE;
if (!info->no_ld_generated_unwind_info)
flags = SEC_ALLOC | SEC_LINKER_CREATED;
htab->elf.iplt = bfd_make_section_anyway_with_flags (dynobj, ".iplt", flags);
if (htab->elf.iplt == NULL
- || ! bfd_set_section_alignment (dynobj, htab->elf.iplt, 3))
+ || !bfd_set_section_alignment (dynobj, htab->elf.iplt, 3))
return FALSE;
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
htab->elf.irelplt
= bfd_make_section_anyway_with_flags (dynobj, ".rela.iplt", flags);
if (htab->elf.irelplt == NULL
- || ! bfd_set_section_alignment (dynobj, htab->elf.irelplt, 3))
+ || !bfd_set_section_alignment (dynobj, htab->elf.irelplt, 3))
return FALSE;
/* Create branch lookup table for plt_branch stubs. */
htab->brlt = bfd_make_section_anyway_with_flags (dynobj, ".branch_lt",
flags);
if (htab->brlt == NULL
- || ! bfd_set_section_alignment (dynobj, htab->brlt, 3))
+ || !bfd_set_section_alignment (dynobj, htab->brlt, 3))
+ return FALSE;
+
+ /* Local plt entries, put in .branch_lt but a separate section for
+ convenience. */
+ htab->pltlocal = bfd_make_section_anyway_with_flags (dynobj, ".branch_lt",
+ flags);
+ if (htab->pltlocal == NULL
+ || !bfd_set_section_alignment (dynobj, htab->pltlocal, 3))
return FALSE;
if (!bfd_link_pic (info))
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- htab->relbrlt = bfd_make_section_anyway_with_flags (dynobj,
- ".rela.branch_lt",
- flags);
+ htab->relbrlt
+ = bfd_make_section_anyway_with_flags (dynobj, ".rela.branch_lt", flags);
if (htab->relbrlt == NULL
- || ! bfd_set_section_alignment (dynobj, htab->relbrlt, 3))
+ || !bfd_set_section_alignment (dynobj, htab->relbrlt, 3))
+ return FALSE;
+
+ htab->relpltlocal
+ = bfd_make_section_anyway_with_flags (dynobj, ".rela.branch_lt", flags);
+ if (htab->relpltlocal == NULL
+ || !bfd_set_section_alignment (dynobj, htab->relpltlocal, 3))
return FALSE;
return TRUE;
if (stub_entry == NULL)
{
/* xgettext:c-format */
- info->callbacks->einfo (_("%P: %B: cannot create stub entry %s\n"),
- section->owner, stub_name);
+ _bfd_error_handler (_("%pB: cannot create stub entry %s"),
+ section->owner, stub_name);
return NULL;
}
relgot = bfd_make_section_anyway_with_flags (abfd, ".rela.got",
flags | SEC_READONLY);
if (!relgot
- || ! bfd_set_section_alignment (abfd, relgot, 3))
+ || !bfd_set_section_alignment (abfd, relgot, 3))
return FALSE;
ppc64_elf_tdata (abfd)->got = got;
if (eind->oh != NULL)
edir->oh = ppc_follow_link (eind->oh);
- /* If called to transfer flags for a weakdef during processing
- of elf_adjust_dynamic_symbol, don't copy NON_GOT_REF.
- We clear it ourselves for ELIMINATE_COPY_RELOCS. */
- if (!(ELIMINATE_COPY_RELOCS
- && eind->elf.root.type != bfd_link_hash_indirect
- && edir->elf.dynamic_adjusted))
- edir->elf.non_got_ref |= eind->elf.non_got_ref;
-
if (edir->elf.versioned != versioned_hidden)
edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
edir->elf.ref_regular |= eind->elf.ref_regular;
edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
+ edir->elf.non_got_ref |= eind->elf.non_got_ref;
edir->elf.needs_plt |= eind->elf.needs_plt;
edir->elf.pointer_equality_needed |= eind->elf.pointer_equality_needed;
in order to simplify readonly_dynrelocs and save a field in the
symbol hash entry, but that means dyn_relocs can't be used in any
tests about a specific symbol, or affect other symbol flags which
- are then tested.
- Chain weakdefs so we can get from the weakdef back to an alias.
- The list is circular so that we don't need to use u.weakdef as
- well as this list to look at all aliases. */
+ are then tested. */
if (eind->elf.root.type != bfd_link_hash_indirect)
- {
- struct ppc_link_hash_entry *cur, *add, *next;
-
- add = eind;
- do
- {
- cur = edir->weakref;
- if (cur != NULL)
- {
- do
- {
- /* We can be called twice for the same symbols.
- Don't make multiple loops. */
- if (cur == add)
- return;
- cur = cur->weakref;
- } while (cur != edir);
- }
- next = add->weakref;
- if (cur != add)
- {
- add->weakref = edir->weakref != NULL ? edir->weakref : edir;
- edir->weakref = add;
- }
- add = next;
- } while (add != NULL && add != eind);
- return;
- }
+ return;
/* Copy over any dynamic relocs we may have on the indirect sym. */
if (eind->dyn_relocs != NULL)
asection **sec,
bfd_vma *value)
{
- if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC
- && (ibfd->flags & DYNAMIC) == 0
- && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
- elf_tdata (info->output_bfd)->has_gnu_symbols |= elf_gnu_symbol_ifunc;
-
if (*sec != NULL
&& strcmp ((*sec)->name, ".opd") == 0)
{
set_abiversion (ibfd, 2);
else if (abiversion (ibfd) == 1)
{
- info->callbacks->einfo (_("%P: symbol '%s' has invalid st_other"
- " for ABI version 1\n"), name);
+ _bfd_error_handler (_("symbol '%s' has invalid st_other"
+ " for ABI version 1"), *name);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
bfd_boolean definition,
bfd_boolean dynamic)
{
- if (definition && !dynamic)
+ if (definition && (!dynamic || !h->def_regular))
h->other = ((isym->st_other & ~ELF_ST_VISIBILITY (-1))
| ELF_ST_VISIBILITY (h->other));
}
static bfd_boolean
ppc64_elf_merge_symbol (struct elf_link_hash_entry *h,
- const Elf_Internal_Sym *isym ATTRIBUTE_UNUSED,
+ const Elf_Internal_Sym *isym,
asection **psec ATTRIBUTE_UNUSED,
bfd_boolean newdef ATTRIBUTE_UNUSED,
bfd_boolean olddef ATTRIBUTE_UNUSED,
const asection *oldsec ATTRIBUTE_UNUSED)
{
((struct ppc_link_hash_entry *) h)->fake = 0;
+ if ((STO_PPC64_LOCAL_MASK & isym->st_other) != 0)
+ ((struct ppc_link_hash_entry *) h)->non_zero_localentry = 1;
return TRUE;
}
len = strlen (name);
dot_name = bfd_alloc (abfd, len + 2);
if (dot_name == NULL)
- return (struct elf_link_hash_entry *) 0 - 1;
+ return (struct elf_link_hash_entry *) -1;
dot_name[0] = '.';
memcpy (dot_name + 1, name, len + 1);
h = _bfd_elf_archive_symbol_lookup (abfd, info, dot_name);
/* Propagate reference flags from entry symbol to function
descriptor symbol. */
- fdh->elf.root.non_ir_ref |= eh->elf.root.non_ir_ref;
+ fdh->elf.root.non_ir_ref_regular |= eh->elf.root.non_ir_ref_regular;
+ fdh->elf.root.non_ir_ref_dynamic |= eh->elf.root.non_ir_ref_dynamic;
fdh->elf.ref_regular |= eh->elf.ref_regular;
fdh->elf.ref_regular_nonweak |= eh->elf.ref_regular_nonweak;
&& (eh->elf.ref_regular
|| eh->elf.def_regular))
{
- if (! bfd_elf_link_record_dynamic_symbol (info, &fdh->elf))
+ if (!bfd_elf_link_record_dynamic_symbol (info, &fdh->elf))
return FALSE;
}
}
if (opd != NULL && opd->size != 0)
{
+ BFD_ASSERT (ppc64_elf_section_data (opd)->sec_type == sec_normal);
+ ppc64_elf_section_data (opd)->sec_type = sec_opd;
+
if (abiversion (ibfd) == 0)
set_abiversion (ibfd, 1);
else if (abiversion (ibfd) >= 2)
{
/* xgettext:c-format */
- info->callbacks->einfo (_("%P: %B .opd not allowed in ABI"
- " version %d\n"),
- ibfd, abiversion (ibfd));
+ _bfd_error_handler (_("%pB .opd not allowed in ABI version %d"),
+ ibfd, abiversion (ibfd));
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
+ }
- if ((ibfd->flags & DYNAMIC) == 0
- && (opd->flags & SEC_RELOC) != 0
- && opd->reloc_count != 0
- && !bfd_is_abs_section (opd->output_section))
- {
- /* Garbage collection needs some extra help with .opd sections.
- We don't want to necessarily keep everything referenced by
- relocs in .opd, as that would keep all functions. Instead,
- if we reference an .opd symbol (a function descriptor), we
- want to keep the function code symbol's section. This is
- easy for global symbols, but for local syms we need to keep
- information about the associated function section. */
- bfd_size_type amt;
- asection **opd_sym_map;
-
- amt = OPD_NDX (opd->size) * sizeof (*opd_sym_map);
- opd_sym_map = bfd_zalloc (ibfd, amt);
- if (opd_sym_map == NULL)
- return FALSE;
- ppc64_elf_section_data (opd)->u.opd.func_sec = opd_sym_map;
- BFD_ASSERT (ppc64_elf_section_data (opd)->sec_type == sec_normal);
- ppc64_elf_section_data (opd)->sec_type = sec_opd;
- }
+ if (is_ppc64_elf (info->output_bfd))
+ {
+ /* For input files without an explicit abiversion in e_flags
+ we should have flagged any with symbol st_other bits set
+ as ELFv1 and above flagged those with .opd as ELFv2.
+ Set the output abiversion if not yet set, and for any input
+ still ambiguous, take its abiversion from the output.
+ Differences in ABI are reported later. */
+ if (abiversion (info->output_bfd) == 0)
+ set_abiversion (info->output_bfd, abiversion (ibfd));
+ else if (abiversion (ibfd) == 0)
+ set_abiversion (ibfd, abiversion (info->output_bfd));
}
- if (!is_ppc64_elf (info->output_bfd))
- return TRUE;
htab = ppc_hash_table (info);
if (htab == NULL)
- return FALSE;
+ return TRUE;
+
+ if (opd != NULL && opd->size != 0
+ && (ibfd->flags & DYNAMIC) == 0
+ && (opd->flags & SEC_RELOC) != 0
+ && opd->reloc_count != 0
+ && !bfd_is_abs_section (opd->output_section)
+ && info->gc_sections)
+ {
+ /* Garbage collection needs some extra help with .opd sections.
+ We don't want to necessarily keep everything referenced by
+ relocs in .opd, as that would keep all functions. Instead,
+ if we reference an .opd symbol (a function descriptor), we
+ want to keep the function code symbol's section. This is
+ easy for global symbols, but for local syms we need to keep
+ information about the associated function section. */
+ bfd_size_type amt;
+ asection **opd_sym_map;
+ Elf_Internal_Shdr *symtab_hdr;
+ Elf_Internal_Rela *relocs, *rel_end, *rel;
+
+ amt = OPD_NDX (opd->size) * sizeof (*opd_sym_map);
+ opd_sym_map = bfd_zalloc (ibfd, amt);
+ if (opd_sym_map == NULL)
+ return FALSE;
+ ppc64_elf_section_data (opd)->u.opd.func_sec = opd_sym_map;
+ relocs = _bfd_elf_link_read_relocs (ibfd, opd, NULL, NULL,
+ info->keep_memory);
+ if (relocs == NULL)
+ return FALSE;
+ symtab_hdr = &elf_symtab_hdr (ibfd);
+ rel_end = relocs + opd->reloc_count - 1;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ enum elf_ppc64_reloc_type r_type = ELF64_R_TYPE (rel->r_info);
+ unsigned long r_symndx = ELF64_R_SYM (rel->r_info);
+
+ if (r_type == R_PPC64_ADDR64
+ && ELF64_R_TYPE ((rel + 1)->r_info) == R_PPC64_TOC
+ && r_symndx < symtab_hdr->sh_info)
+ {
+ Elf_Internal_Sym *isym;
+ asection *s;
+
+ isym = bfd_sym_from_r_symndx (&htab->sym_cache, ibfd, r_symndx);
+ if (isym == NULL)
+ {
+ if (elf_section_data (opd)->relocs != relocs)
+ free (relocs);
+ return FALSE;
+ }
- /* For input files without an explicit abiversion in e_flags
- we should have flagged any with symbol st_other bits set
- as ELFv1 and above flagged those with .opd as ELFv2.
- Set the output abiversion if not yet set, and for any input
- still ambiguous, take its abiversion from the output.
- Differences in ABI are reported later. */
- if (abiversion (info->output_bfd) == 0)
- set_abiversion (info->output_bfd, abiversion (ibfd));
- else if (abiversion (ibfd) == 0)
- set_abiversion (ibfd, abiversion (info->output_bfd));
+ s = bfd_section_from_elf_index (ibfd, isym->st_shndx);
+ if (s != NULL && s != opd)
+ opd_sym_map[OPD_NDX (rel->r_offset)] = s;
+ }
+ }
+ if (elf_section_data (opd)->relocs != relocs)
+ free (relocs);
+ }
p = &htab->dot_syms;
while ((eh = *p) != NULL)
elf_local_got_ents (abfd) = local_got_ents;
}
- if ((tls_type & (PLT_IFUNC | TLS_EXPLICIT)) == 0)
+ if ((tls_type & (NON_GOT | TLS_EXPLICIT)) == 0)
{
struct got_entry *ent;
local_plt = (struct plt_entry **) (local_got_ents + symtab_hdr->sh_info);
local_got_tls_masks = (unsigned char *) (local_plt + symtab_hdr->sh_info);
- local_got_tls_masks[r_symndx] |= tls_type;
+ local_got_tls_masks[r_symndx] |= tls_type & 0xff;
return local_plt + r_symndx;
}
is_branch_reloc (enum elf_ppc64_reloc_type r_type)
{
return (r_type == R_PPC64_REL24
+ || r_type == R_PPC64_REL24_NOTOC
|| r_type == R_PPC64_REL14
|| r_type == R_PPC64_REL14_BRTAKEN
|| r_type == R_PPC64_REL14_BRNTAKEN
|| r_type == R_PPC64_ADDR24
|| r_type == R_PPC64_ADDR14
|| r_type == R_PPC64_ADDR14_BRTAKEN
- || r_type == R_PPC64_ADDR14_BRNTAKEN);
+ || r_type == R_PPC64_ADDR14_BRNTAKEN
+ || r_type == R_PPC64_PLTCALL);
+}
+
+/* Relocs on inline plt call sequence insns prior to the call. */
+
+static bfd_boolean
+is_plt_seq_reloc (enum elf_ppc64_reloc_type r_type)
+{
+ return (r_type == R_PPC64_PLT16_HA
+ || r_type == R_PPC64_PLT16_HI
+ || r_type == R_PPC64_PLT16_LO
+ || r_type == R_PPC64_PLT16_LO_DS
+ || r_type == R_PPC64_PLTSEQ);
}
/* Look through the relocs for a section during the first phase, and
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
asection *sreloc;
- asection **opd_sym_map;
struct elf_link_hash_entry *tga, *dottga;
+ bfd_boolean is_opd;
if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = &elf_symtab_hdr (abfd);
sym_hashes = elf_sym_hashes (abfd);
sreloc = NULL;
- opd_sym_map = NULL;
- if (ppc64_elf_section_data (sec) != NULL
- && ppc64_elf_section_data (sec)->sec_type == sec_opd)
- opd_sym_map = ppc64_elf_section_data (sec)->u.opd.func_sec;
-
+ is_opd = ppc64_elf_section_data (sec)->sec_type == sec_opd;
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
{
h = NULL;
else
{
- struct ppc_link_hash_entry *eh;
-
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
h = elf_follow_link (h);
- eh = (struct ppc_link_hash_entry *) h;
-
- /* PR15323, ref flags aren't set for references in the same
- object. */
- h->root.non_ir_ref = 1;
- if (eh->is_func && eh->oh != NULL)
- eh->oh->elf.root.non_ir_ref = 1;
if (h == htab->elf.hgot)
sec->has_toc_reloc = 1;
if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
{
ifunc = update_local_sym_info (abfd, symtab_hdr, r_symndx,
- rel->r_addend, PLT_IFUNC);
+ rel->r_addend,
+ NON_GOT | PLT_IFUNC);
if (ifunc == NULL)
return FALSE;
}
case R_PPC64_TLSLD:
/* These special tls relocs tie a call to __tls_get_addr with
its parameter symbol. */
+ if (h != NULL)
+ ((struct ppc_link_hash_entry *) h)->tls_mask |= TLS_TLS | TLS_MARK;
+ else
+ if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
+ rel->r_addend,
+ NON_GOT | TLS_TLS | TLS_MARK))
+ return FALSE;
+ sec->has_tls_reloc = 1;
break;
case R_PPC64_GOT_TLSLD16:
case R_PPC64_GOT_TPREL16_LO_DS:
case R_PPC64_GOT_TPREL16_HI:
case R_PPC64_GOT_TPREL16_HA:
- if (bfd_link_pic (info))
+ if (bfd_link_dll (info))
info->flags |= DF_STATIC_TLS;
tls_type = TLS_TLS | TLS_TPREL;
goto dogottls;
case R_PPC64_PLT16_HA:
case R_PPC64_PLT16_HI:
case R_PPC64_PLT16_LO:
+ case R_PPC64_PLT16_LO_DS:
case R_PPC64_PLT32:
case R_PPC64_PLT64:
/* This symbol requires a procedure linkage table entry. */
if (h->root.root.string[0] == '.'
&& h->root.root.string[1] != '\0')
((struct ppc_link_hash_entry *) h)->is_func = 1;
+ ((struct ppc_link_hash_entry *) h)->tls_mask |= PLT_KEEP;
plt_list = &h->plt.plist;
}
if (plt_list == NULL)
- {
- /* It does not make sense to have a procedure linkage
- table entry for a non-ifunc local symbol. */
- info->callbacks->einfo
- /* xgettext:c-format */
- (_("%H: %s reloc against local symbol\n"),
- abfd, sec, rel->r_offset,
- ppc64_elf_howto_table[r_type]->name);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
+ plt_list = update_local_sym_info (abfd, symtab_hdr, r_symndx,
+ rel->r_addend,
+ NON_GOT | PLT_KEEP);
if (!update_plt_info (abfd, plt_list, rel->r_addend))
return FALSE;
break;
case R_PPC64_REL16_LO:
case R_PPC64_REL16_HI:
case R_PPC64_REL16_HA:
+ case R_PPC64_REL16_HIGH:
+ case R_PPC64_REL16_HIGHA:
+ case R_PPC64_REL16_HIGHER:
+ case R_PPC64_REL16_HIGHERA:
+ case R_PPC64_REL16_HIGHEST:
+ case R_PPC64_REL16_HIGHESTA:
case R_PPC64_REL16DX_HA:
break;
ppc_howto_init ();
/* xgettext:c-format */
info->callbacks->einfo (_("%H: %s reloc unsupported "
- "in shared libraries and PIEs.\n"),
+ "in shared libraries and PIEs\n"),
abfd, sec, rel->r_offset,
ppc64_elf_howto_table[r_type]->name);
bfd_set_error (bfd_error_bad_value);
if (dest != sec)
ppc64_elf_section_data (sec)->has_14bit_branch = 1;
}
+ goto rel24;
+
+ case R_PPC64_PLTCALL:
+ ppc64_elf_section_data (sec)->has_pltcall = 1;
/* Fall through. */
case R_PPC64_REL24:
+ case R_PPC64_REL24_NOTOC:
+ rel24:
plt_list = ifunc;
if (h != NULL)
{
case R_PPC64_TPREL64:
tls_type = TLS_EXPLICIT | TLS_TLS | TLS_TPREL;
- if (bfd_link_pic (info))
+ if (bfd_link_dll (info))
info->flags |= DF_STATIC_TLS;
goto dotlstoc;
case R_PPC64_TPREL16_HIGHERA:
case R_PPC64_TPREL16_HIGHEST:
case R_PPC64_TPREL16_HIGHESTA:
- if (bfd_link_pic (info))
- {
- info->flags |= DF_STATIC_TLS;
- goto dodyn;
- }
- break;
+ if (bfd_link_dll (info))
+ info->flags |= DF_STATIC_TLS;
+ goto dodyn;
case R_PPC64_ADDR64:
- if (opd_sym_map != NULL
+ if (is_opd
&& rel + 1 < rel_end
&& ELF64_R_TYPE ((rel + 1)->r_info) == R_PPC64_TOC)
{
if (h != NULL)
((struct ppc_link_hash_entry *) h)->is_func = 1;
- else
- {
- asection *s;
- Elf_Internal_Sym *isym;
-
- isym = bfd_sym_from_r_symndx (&htab->sym_cache,
- abfd, r_symndx);
- if (isym == NULL)
- return FALSE;
-
- s = bfd_section_from_elf_index (abfd, isym->st_shndx);
- if (s != NULL && s != sec)
- opd_sym_map[OPD_NDX (rel->r_offset)] = s;
- }
}
/* Fall through. */
h->non_got_ref = 1;
/* Don't propagate .opd relocs. */
- if (NO_OPD_RELOCS && opd_sym_map != NULL)
+ if (NO_OPD_RELOCS && is_opd)
break;
/* If we are creating a shared library, and this is a reloc
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B uses unknown e_flags 0x%lx"), ibfd, iflags);
+ (_("%pB uses unknown e_flags 0x%lx"), ibfd, iflags);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B: ABI version %ld is not compatible with ABI version %ld output"),
+ (_("%pB: ABI version %ld is not compatible with ABI version %ld output"),
ibfd, iflags, oflags);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
- _bfd_elf_ppc_merge_fp_attributes (ibfd, info);
+ if (!_bfd_elf_ppc_merge_fp_attributes (ibfd, info))
+ return FALSE;
/* Merge Tag_compatibility attributes and any common GNU ones. */
- _bfd_elf_merge_object_attributes (ibfd, info);
-
- return TRUE;
+ return _bfd_elf_merge_object_attributes (ibfd, info);
}
static bfd_boolean
return size;
}
+/* Return true if symbol is a strong function defined in an ELFv2
+ object with st_other localentry bits of zero, ie. its local entry
+ point coincides with its global entry point. */
+
+static bfd_boolean
+is_elfv2_localentry0 (struct elf_link_hash_entry *h)
+{
+ return (h != NULL
+ && h->type == STT_FUNC
+ && h->root.type == bfd_link_hash_defined
+ && (STO_PPC64_LOCAL_MASK & h->other) == 0
+ && !((struct ppc_link_hash_entry *) h)->non_zero_localentry
+ && is_ppc64_elf (h->root.u.def.section->owner)
+ && abiversion (h->root.u.def.section->owner) >= 2);
+}
+
/* Return true if symbol is defined in a regular object file. */
static bfd_boolean
if ((eh->elf.root.type == bfd_link_hash_defined
|| eh->elf.root.type == bfd_link_hash_defweak)
- && (eh->elf.ref_dynamic
+ && ((eh->elf.ref_dynamic && !eh->elf.forced_local)
|| ((eh->elf.def_regular || ELF_COMMON_DEF_P (&eh->elf))
&& ELF_ST_VISIBILITY (eh->elf.other) != STV_INTERNAL
&& ELF_ST_VISIBILITY (eh->elf.other) != STV_HIDDEN
|| info->export_dynamic
|| (eh->elf.dynamic
&& d != NULL
- && (*d->match) (&d->head, NULL, eh->elf.root.root.string)))
+ && (*d->match) (&d->head, NULL,
+ eh->elf.root.root.string)))
&& (eh->elf.versioned >= versioned
|| !bfd_hide_sym_by_version (info->version_info,
eh->elf.root.root.string)))))
a call reloc. Mark the function descriptor too
against garbage collection. */
fdh->elf.mark = 1;
- if (fdh->elf.u.weakdef != NULL)
- fdh->elf.u.weakdef->mark = 1;
+ if (fdh->elf.is_weakalias)
+ weakdef (&fdh->elf)->mark = 1;
eh = fdh;
}
return rsec;
}
-/* Update the .got, .plt. and dynamic reloc reference counts for the
- section being removed. */
+/* The maximum size of .sfpr. */
+#define SFPR_MAX (218*4)
-static bfd_boolean
-ppc64_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
- asection *sec, const Elf_Internal_Rela *relocs)
+struct sfpr_def_parms
{
- struct ppc_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- struct got_entry **local_got_ents;
- const Elf_Internal_Rela *rel, *relend;
-
- if (bfd_link_relocatable (info))
- return TRUE;
+ const char name[12];
+ unsigned char lo, hi;
+ bfd_byte *(*write_ent) (bfd *, bfd_byte *, int);
+ bfd_byte *(*write_tail) (bfd *, bfd_byte *, int);
+};
- if ((sec->flags & SEC_ALLOC) == 0)
- return TRUE;
+/* Auto-generate _save*, _rest* functions in .sfpr.
+ If STUB_SEC is non-null, define alias symbols in STUB_SEC
+ instead. */
- elf_section_data (sec)->local_dynrel = NULL;
+static bfd_boolean
+sfpr_define (struct bfd_link_info *info,
+ const struct sfpr_def_parms *parm,
+ asection *stub_sec)
+{
+ struct ppc_link_hash_table *htab = ppc_hash_table (info);
+ unsigned int i;
+ size_t len = strlen (parm->name);
+ bfd_boolean writing = FALSE;
+ char sym[16];
- htab = ppc_hash_table (info);
if (htab == NULL)
return FALSE;
- symtab_hdr = &elf_symtab_hdr (abfd);
- sym_hashes = elf_sym_hashes (abfd);
- local_got_ents = elf_local_got_ents (abfd);
+ memcpy (sym, parm->name, len);
+ sym[len + 2] = 0;
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
+ for (i = parm->lo; i <= parm->hi; i++)
{
- unsigned long r_symndx;
- enum elf_ppc64_reloc_type r_type;
- struct elf_link_hash_entry *h = NULL;
- struct plt_entry **plt_list = NULL;
- unsigned char tls_type = 0;
+ struct ppc_link_hash_entry *h;
- r_symndx = ELF64_R_SYM (rel->r_info);
- r_type = ELF64_R_TYPE (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct ppc_link_hash_entry *eh;
- struct elf_dyn_relocs **pp;
- struct elf_dyn_relocs *p;
-
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- h = elf_follow_link (h);
- eh = (struct ppc_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- /* Everything must go for SEC. */
- *pp = p->next;
- break;
- }
- }
-
- switch (r_type)
- {
- case R_PPC64_GOT_TLSLD16:
- case R_PPC64_GOT_TLSLD16_LO:
- case R_PPC64_GOT_TLSLD16_HI:
- case R_PPC64_GOT_TLSLD16_HA:
- tls_type = TLS_TLS | TLS_LD;
- goto dogot;
-
- case R_PPC64_GOT_TLSGD16:
- case R_PPC64_GOT_TLSGD16_LO:
- case R_PPC64_GOT_TLSGD16_HI:
- case R_PPC64_GOT_TLSGD16_HA:
- tls_type = TLS_TLS | TLS_GD;
- goto dogot;
-
- case R_PPC64_GOT_TPREL16_DS:
- case R_PPC64_GOT_TPREL16_LO_DS:
- case R_PPC64_GOT_TPREL16_HI:
- case R_PPC64_GOT_TPREL16_HA:
- tls_type = TLS_TLS | TLS_TPREL;
- goto dogot;
-
- case R_PPC64_GOT_DTPREL16_DS:
- case R_PPC64_GOT_DTPREL16_LO_DS:
- case R_PPC64_GOT_DTPREL16_HI:
- case R_PPC64_GOT_DTPREL16_HA:
- tls_type = TLS_TLS | TLS_DTPREL;
- goto dogot;
-
- case R_PPC64_GOT16:
- case R_PPC64_GOT16_DS:
- case R_PPC64_GOT16_HA:
- case R_PPC64_GOT16_HI:
- case R_PPC64_GOT16_LO:
- case R_PPC64_GOT16_LO_DS:
- dogot:
- {
- struct got_entry *ent;
-
- if (h != NULL)
- ent = h->got.glist;
- else
- ent = local_got_ents[r_symndx];
-
- for (; ent != NULL; ent = ent->next)
- if (ent->addend == rel->r_addend
- && ent->owner == abfd
- && ent->tls_type == tls_type)
- break;
- if (ent == NULL)
- abort ();
- if (ent->got.refcount > 0)
- ent->got.refcount -= 1;
- }
- if (h != NULL && !bfd_link_pic (info) && abiversion (abfd) != 1)
- plt_list = &h->plt.plist;
- break;
-
- case R_PPC64_PLT16_HA:
- case R_PPC64_PLT16_HI:
- case R_PPC64_PLT16_LO:
- case R_PPC64_PLT32:
- case R_PPC64_PLT64:
- case R_PPC64_REL14:
- case R_PPC64_REL14_BRNTAKEN:
- case R_PPC64_REL14_BRTAKEN:
- case R_PPC64_REL24:
- if (h != NULL)
- plt_list = &h->plt.plist;
- else if (local_got_ents != NULL)
- {
- struct plt_entry **local_plt = (struct plt_entry **)
- (local_got_ents + symtab_hdr->sh_info);
- unsigned char *local_got_tls_masks = (unsigned char *)
- (local_plt + symtab_hdr->sh_info);
- if ((local_got_tls_masks[r_symndx] & PLT_IFUNC) != 0)
- plt_list = local_plt + r_symndx;
- }
- break;
-
- case R_PPC64_ADDR64:
- case R_PPC64_ADDR16:
- case R_PPC64_ADDR16_DS:
- case R_PPC64_ADDR16_HA:
- case R_PPC64_ADDR16_HI:
- case R_PPC64_ADDR16_HIGH:
- case R_PPC64_ADDR16_HIGHA:
- case R_PPC64_ADDR16_HIGHER:
- case R_PPC64_ADDR16_HIGHERA:
- case R_PPC64_ADDR16_HIGHEST:
- case R_PPC64_ADDR16_HIGHESTA:
- case R_PPC64_ADDR16_LO:
- case R_PPC64_ADDR16_LO_DS:
- if (h != NULL && !bfd_link_pic (info) && abiversion (abfd) != 1
- && rel->r_addend == 0)
- plt_list = &h->plt.plist;
- break;
-
- default:
- break;
- }
- if (plt_list != NULL)
- {
- struct plt_entry *ent;
-
- for (ent = *plt_list; ent != NULL; ent = ent->next)
- if (ent->addend == rel->r_addend)
- break;
- if (ent != NULL && ent->plt.refcount > 0)
- ent->plt.refcount -= 1;
- }
- }
- return TRUE;
-}
-
-/* The maximum size of .sfpr. */
-#define SFPR_MAX (218*4)
-
-struct sfpr_def_parms
-{
- const char name[12];
- unsigned char lo, hi;
- bfd_byte * (*write_ent) (bfd *, bfd_byte *, int);
- bfd_byte * (*write_tail) (bfd *, bfd_byte *, int);
-};
-
-/* Auto-generate _save*, _rest* functions in .sfpr.
- If STUB_SEC is non-null, define alias symbols in STUB_SEC
- instead. */
-
-static bfd_boolean
-sfpr_define (struct bfd_link_info *info,
- const struct sfpr_def_parms *parm,
- asection *stub_sec)
-{
- struct ppc_link_hash_table *htab = ppc_hash_table (info);
- unsigned int i;
- size_t len = strlen (parm->name);
- bfd_boolean writing = FALSE;
- char sym[16];
-
- if (htab == NULL)
- return FALSE;
-
- memcpy (sym, parm->name, len);
- sym[len + 2] = 0;
-
- for (i = parm->lo; i <= parm->hi; i++)
- {
- struct ppc_link_hash_entry *h;
-
- sym[len + 0] = i / 10 + '0';
- sym[len + 1] = i % 10 + '0';
- h = (struct ppc_link_hash_entry *)
- elf_link_hash_lookup (&htab->elf, sym, writing, TRUE, TRUE);
- if (stub_sec != NULL)
+ sym[len + 0] = i / 10 + '0';
+ sym[len + 1] = i % 10 + '0';
+ h = (struct ppc_link_hash_entry *)
+ elf_link_hash_lookup (&htab->elf, sym, writing, TRUE, TRUE);
+ if (stub_sec != NULL)
{
if (h != NULL
&& h->elf.root.type == bfd_link_hash_defined
{
s->root.type = bfd_link_hash_defined;
s->root.u.def.section = stub_sec;
- s->root.u.def.value = (stub_sec->size
+ s->root.u.def.value = (stub_sec->size - htab->sfpr->size
+ h->elf.root.u.def.value);
s->ref_regular = 1;
s->def_regular = 1;
writing = TRUE;
if (htab->sfpr->contents == NULL)
{
- htab->sfpr->contents = bfd_alloc (htab->elf.dynobj, SFPR_MAX);
+ htab->sfpr->contents
+ = bfd_alloc (htab->elf.dynobj, SFPR_MAX);
if (htab->sfpr->contents == NULL)
return FALSE;
}
htab->elf.hgot->root.linker_def = 1;
}
htab->elf.hgot->type = STT_OBJECT;
- htab->elf.hgot->other = ((htab->elf.hgot->other & ~ELF_ST_VISIBILITY (-1))
- | STV_HIDDEN);
+ htab->elf.hgot->other
+ = (htab->elf.hgot->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN;
}
if (htab->need_func_desc_adj)
return TRUE;
}
-/* Return true if we have dynamic relocs against H that apply to
- read-only sections. */
+/* Find dynamic relocs for H that apply to read-only sections. */
-static bfd_boolean
+static asection *
readonly_dynrelocs (struct elf_link_hash_entry *h)
{
struct ppc_link_hash_entry *eh;
asection *s = p->sec->output_section;
if (s != NULL && (s->flags & SEC_READONLY) != 0)
- return TRUE;
+ return p->sec;
}
- return FALSE;
+ return NULL;
}
/* Return true if we have dynamic relocs against H or any of its weak
- aliases, that apply to read-only sections. */
+ aliases, that apply to read-only sections. Cannot be used after
+ size_dynamic_sections. */
static bfd_boolean
alias_readonly_dynrelocs (struct elf_link_hash_entry *h)
{
if (readonly_dynrelocs (&eh->elf))
return TRUE;
- eh = eh->weakref;
- } while (eh != NULL && &eh->elf != h);
+ eh = (struct ppc_link_hash_entry *) eh->elf.u.alias;
+ }
+ while (eh != NULL && &eh->elf != h);
return FALSE;
}
|| h->type == STT_GNU_IFUNC
|| h->needs_plt)
{
+ bfd_boolean local = (((struct ppc_link_hash_entry *) h)->save_res
+ || SYMBOL_CALLS_LOCAL (info, h)
+ || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
+ /* Discard dyn_relocs when non-pic if we've decided that a
+ function symbol is local and not an ifunc. We keep dynamic
+ relocs for ifuncs when local rather than always emitting a
+ plt call stub for them and defining the symbol on the call
+ stub. We can't do that for ELFv1 anyway (a function symbol
+ is defined on a descriptor, not code) and it can be faster at
+ run-time due to not needing to bounce through a stub. The
+ dyn_relocs for ifuncs will be applied even in a static
+ executable. */
+ if (!bfd_link_pic (info)
+ && h->type != STT_GNU_IFUNC
+ && local)
+ ((struct ppc_link_hash_entry *) h)->dyn_relocs = NULL;
+
/* Clear procedure linkage table information for any symbol that
won't need a .plt entry. */
struct plt_entry *ent;
break;
if (ent == NULL
|| (h->type != STT_GNU_IFUNC
- && (SYMBOL_CALLS_LOCAL (info, h)
- || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
- && h->root.type == bfd_link_hash_undefweak)))
- || ((struct ppc_link_hash_entry *) h)->save_res)
+ && local
+ && (htab->can_convert_all_inline_plt
+ || (((struct ppc_link_hash_entry *) h)->tls_mask
+ & (TLS_TLS | PLT_KEEP)) != PLT_KEEP)))
{
h->plt.plist = NULL;
h->needs_plt = 0;
relocs is that calling via a global entry stub costs a
few more instructions, and pointer_equality_needed causes
extra work in ld.so when resolving these symbols. */
- if (global_entry_stub (h)
- && !alias_readonly_dynrelocs (h))
+ if (global_entry_stub (h))
{
- h->pointer_equality_needed = 0;
- /* After adjust_dynamic_symbol, non_got_ref set in
- the non-pic case means that dyn_relocs for this
- symbol should be discarded. */
- h->non_got_ref = 0;
+ if (!readonly_dynrelocs (h))
+ {
+ h->pointer_equality_needed = 0;
+ /* If we haven't seen a branch reloc and the symbol
+ isn't an ifunc then we don't need a plt entry. */
+ if (!h->needs_plt)
+ h->plt.plist = NULL;
+ }
+ else if (!bfd_link_pic (info))
+ /* We are going to be defining the function symbol on the
+ plt stub, so no dyn_relocs needed when non-pic. */
+ ((struct ppc_link_hash_entry *) h)->dyn_relocs = NULL;
}
- /* If making a plt entry, then we don't need copy relocs. */
+ /* ELFv2 function symbols can't have copy relocs. */
+ return TRUE;
+ }
+ else if (!h->needs_plt
+ && !readonly_dynrelocs (h))
+ {
+ /* If we haven't seen a branch reloc and the symbol isn't an
+ ifunc then we don't need a plt entry. */
+ h->plt.plist = NULL;
+ h->pointer_equality_needed = 0;
return TRUE;
}
}
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->u.weakdef != NULL)
- {
- BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
- || h->u.weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->u.weakdef->root.u.def.section;
- h->root.u.def.value = h->u.weakdef->root.u.def.value;
- if (ELIMINATE_COPY_RELOCS)
- h->non_got_ref = h->u.weakdef->non_got_ref;
+ if (h->is_weakalias)
+ {
+ struct elf_link_hash_entry *def = weakdef (h);
+ BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+ h->root.u.def.section = def->root.u.def.section;
+ h->root.u.def.value = def->root.u.def.value;
+ if (def->root.u.def.section == htab->elf.sdynbss
+ || def->root.u.def.section == htab->elf.sdynrelro)
+ ((struct ppc_link_hash_entry *) h)->dyn_relocs = NULL;
return TRUE;
}
/* If -z nocopyreloc was given, don't generate them either. */
|| info->nocopyreloc
- /* If we didn't find any dynamic relocs in read-only sections, then
+ /* If we don't find any dynamic relocs in read-only sections, then
we'll be keeping the dynamic relocs and avoiding the copy reloc. */
|| (ELIMINATE_COPY_RELOCS && !alias_readonly_dynrelocs (h))
definition for the variable. Text relocations are preferable
to an incorrect program. */
|| h->protected_def)
- {
- h->non_got_ref = 0;
- return TRUE;
- }
+ return TRUE;
if (h->plt.plist != NULL)
{
sections. Allow them to proceed, but warn that this might
break at runtime. */
info->callbacks->einfo
- (_("%P: copy reloc against `%T' requires lazy plt linking; "
+ (_("%P: copy reloc against `%pT' requires lazy plt linking; "
"avoid setting LD_BIND_NOW=1 or upgrade gcc\n"),
h->root.root.string);
}
determine the address it must put in the global offset table, so
both the dynamic object and the regular object will refer to the
same memory location for the variable. */
-
- /* We must generate a R_PPC64_COPY reloc to tell the dynamic linker
- to copy the initial value out of the dynamic object and into the
- runtime process image. We need to remember the offset into the
- .rela.bss section we are going to use. */
if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
{
s = htab->elf.sdynrelro;
}
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
+ /* We must generate a R_PPC64_COPY reloc to tell the dynamic
+ linker to copy the initial value out of the dynamic object
+ and into the runtime process image. */
srel->size += sizeof (Elf64_External_Rela);
h->needs_copy = 1;
}
+ /* We no longer want dyn_relocs. */
+ ((struct ppc_link_hash_entry *) h)->dyn_relocs = NULL;
return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
if (!get_sym_h (&h, &sym, &sec, tls_maskp, locsymsp, r_symndx, ibfd))
return 0;
- if ((*tls_maskp != NULL && **tls_maskp != 0)
+ if ((*tls_maskp != NULL
+ && (**tls_maskp & TLS_TLS) != 0
+ && **tls_maskp != (TLS_TLS | TLS_MARK))
|| sec == NULL
|| ppc64_elf_section_data (sec) == NULL
|| ppc64_elf_section_data (sec)->sec_type != sec_toc)
if (ent.sec == NULL || ent.sec->output_section == NULL)
{
_bfd_error_handler
- (_("%B: undefined symbol on R_PPC64_TOCSAVE relocation"), ibfd);
+ (_("%pB: undefined symbol on R_PPC64_TOCSAVE relocation"), ibfd);
return NULL;
}
case R_PPC64_TPREL16_HIGHERA:
case R_PPC64_TPREL16_HIGHEST:
case R_PPC64_TPREL16_HIGHESTA:
- if (!bfd_link_pic (info))
- return TRUE;
-
case R_PPC64_TPREL64:
case R_PPC64_DTPMOD64:
case R_PPC64_DTPREL64:
}
/* xgettext:c-format */
- info->callbacks->einfo (_("%P: dynreloc miscount for %B, section %A\n"),
- sec->owner, sec);
+ _bfd_error_handler (_("dynreloc miscount for %pB, section %pA"),
+ sec->owner, sec);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
optimization for them! */
broken_opd:
_bfd_error_handler
- (_("%B: .opd is not a regular array of opd entries"), ibfd);
+ (_("%pB: .opd is not a regular array of opd entries"), ibfd);
broken = TRUE;
break;
}
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B: unexpected reloc type %u in .opd section"),
+ (_("%pB: unexpected reloc type %u in .opd section"),
ibfd, r_type);
broken = TRUE;
break;
_bfd_error_handler
/* xgettext:c-format */
- (_("%B: undefined sym `%s' in .opd section"),
+ (_("%pB: undefined sym `%s' in .opd section"),
ibfd, sym_name);
broken = TRUE;
break;
opd->adjust = bfd_zalloc (sec->owner, amt);
if (opd->adjust == NULL)
return FALSE;
- ppc64_elf_section_data (sec)->sec_type = sec_opd;
/* This seems a waste of time as input .opd sections are all
zeros as generated by gcc, but I suppose there's no reason
if (p == NULL)
return FALSE;
- if (! bfd_get_section_contents (need_pad->owner, need_pad,
- p, 0, need_pad->size))
+ if (!bfd_get_section_contents (need_pad->owner, need_pad,
+ p, 0, need_pad->size))
return FALSE;
need_pad->contents = p;
return TRUE;
}
+/* Analyze inline PLT call relocations to see whether calls to locally
+ defined functions can be converted to direct calls. */
+
+bfd_boolean
+ppc64_elf_inline_plt (struct bfd_link_info *info)
+{
+ struct ppc_link_hash_table *htab;
+ bfd *ibfd;
+ asection *sec;
+ bfd_vma low_vma, high_vma, limit;
+
+ htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ /* A bl insn can reach -0x2000000 to 0x1fffffc. The limit is
+ reduced somewhat to cater for possible stubs that might be added
+ between the call and its destination. */
+ if (htab->params->group_size < 0)
+ {
+ limit = -htab->params->group_size;
+ if (limit == 1)
+ limit = 0x1e00000;
+ }
+ else
+ {
+ limit = htab->params->group_size;
+ if (limit == 1)
+ limit = 0x1c00000;
+ }
+
+ low_vma = -1;
+ high_vma = 0;
+ for (sec = info->output_bfd->sections; sec != NULL; sec = sec->next)
+ if ((sec->flags & (SEC_ALLOC | SEC_CODE)) == (SEC_ALLOC | SEC_CODE))
+ {
+ if (low_vma > sec->vma)
+ low_vma = sec->vma;
+ if (high_vma < sec->vma + sec->size)
+ high_vma = sec->vma + sec->size;
+ }
+
+ /* If a "bl" can reach anywhere in local code sections, then we can
+ convert all inline PLT sequences to direct calls when the symbol
+ is local. */
+ if (high_vma - low_vma < limit)
+ {
+ htab->can_convert_all_inline_plt = 1;
+ return TRUE;
+ }
+
+ /* Otherwise, go looking through relocs for cases where a direct
+ call won't reach. Mark the symbol on any such reloc to disable
+ the optimization and keep the PLT entry as it seems likely that
+ this will be better than creating trampolines. Note that this
+ will disable the optimization for all inline PLT calls to a
+ particular symbol, not just those that won't reach. The
+ difficulty in doing a more precise optimization is that the
+ linker needs to make a decision depending on whether a
+ particular R_PPC64_PLTCALL insn can be turned into a direct
+ call, for each of the R_PPC64_PLTSEQ and R_PPC64_PLT16* insns in
+ the sequence, and there is nothing that ties those relocs
+ together except their symbol. */
+
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
+ {
+ Elf_Internal_Shdr *symtab_hdr;
+ Elf_Internal_Sym *local_syms;
+
+ if (!is_ppc64_elf (ibfd))
+ continue;
+
+ local_syms = NULL;
+ symtab_hdr = &elf_symtab_hdr (ibfd);
+
+ for (sec = ibfd->sections; sec != NULL; sec = sec->next)
+ if (ppc64_elf_section_data (sec)->has_pltcall
+ && !bfd_is_abs_section (sec->output_section))
+ {
+ Elf_Internal_Rela *relstart, *rel, *relend;
+
+ /* Read the relocations. */
+ relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
+ info->keep_memory);
+ if (relstart == NULL)
+ return FALSE;
+
+ relend = relstart + sec->reloc_count;
+ for (rel = relstart; rel < relend; )
+ {
+ enum elf_ppc64_reloc_type r_type;
+ unsigned long r_symndx;
+ asection *sym_sec;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+ unsigned char *tls_maskp;
+
+ r_type = ELF64_R_TYPE (rel->r_info);
+ if (r_type != R_PPC64_PLTCALL)
+ continue;
+
+ r_symndx = ELF64_R_SYM (rel->r_info);
+ if (!get_sym_h (&h, &sym, &sym_sec, &tls_maskp, &local_syms,
+ r_symndx, ibfd))
+ {
+ if (elf_section_data (sec)->relocs != relstart)
+ free (relstart);
+ if (local_syms != NULL
+ && symtab_hdr->contents != (bfd_byte *) local_syms)
+ free (local_syms);
+ return FALSE;
+ }
+
+ if (sym_sec != NULL && sym_sec->output_section != NULL)
+ {
+ bfd_vma from, to;
+ if (h != NULL)
+ to = h->root.u.def.value;
+ else
+ to = sym->st_value;
+ to += (rel->r_addend
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ from = (rel->r_offset
+ + sec->output_offset
+ + sec->output_section->vma);
+ if (to - from + limit < 2 * limit)
+ *tls_maskp &= ~PLT_KEEP;
+ }
+ }
+ if (elf_section_data (sec)->relocs != relstart)
+ free (relstart);
+ }
+
+ if (local_syms != NULL
+ && symtab_hdr->contents != (unsigned char *) local_syms)
+ {
+ if (!info->keep_memory)
+ free (local_syms);
+ else
+ symtab_hdr->contents = (unsigned char *) local_syms;
+ }
+ }
+
+ return TRUE;
+}
+
/* Set htab->tls_get_addr and call the generic ELF tls_setup function. */
asection *
else if (!htab->do_multi_toc)
htab->params->no_multi_toc = 1;
+ /* Default to --no-plt-localentry, as this option can cause problems
+ with symbol interposition. For example, glibc libpthread.so and
+ libc.so duplicate many pthread symbols, with a fallback
+ implementation in libc.so. In some cases the fallback does more
+ work than the pthread implementation. __pthread_condattr_destroy
+ is one such symbol: the libpthread.so implementation is
+ localentry:0 while the libc.so implementation is localentry:8.
+ An app that "cleverly" uses dlopen to only load necessary
+ libraries at runtime may omit loading libpthread.so when not
+ running multi-threaded, which then results in the libc.so
+ fallback symbols being used and ld.so complaining. Now there
+ are workarounds in ld (see non_zero_localentry) to detect the
+ pthread situation, but that may not be the only case where
+ --plt-localentry can cause trouble. */
+ if (htab->params->plt_localentry0 < 0)
+ htab->params->plt_localentry0 = 0;
+ if (htab->params->plt_localentry0
+ && elf_link_hash_lookup (&htab->elf, "GLIBC_2.26",
+ FALSE, FALSE, FALSE) == NULL)
+ _bfd_error_handler
+ (_("warning: --plt-localentry is especially dangerous without "
+ "ld.so support to detect ABI violations"));
+
htab->tls_get_addr = ((struct ppc_link_hash_entry *)
elf_link_hash_lookup (&htab->elf, ".__tls_get_addr",
FALSE, FALSE, TRUE));
&& (tga_fd->type == STT_FUNC
|| tga_fd->needs_plt)
&& !(SYMBOL_CALLS_LOCAL (info, tga_fd)
- || (ELF_ST_VISIBILITY (tga_fd->other) != STV_DEFAULT
- && tga_fd->root.type == bfd_link_hash_undefweak)))
+ || UNDEFWEAK_NO_DYNAMIC_RELOC (info, tga_fd)))
{
struct plt_entry *ent;
if (!bfd_elf_link_record_dynamic_symbol (info, opt_fd))
return NULL;
}
- htab->tls_get_addr_fd = (struct ppc_link_hash_entry *) opt_fd;
+ htab->tls_get_addr_fd
+ = (struct ppc_link_hash_entry *) opt_fd;
tga = &htab->tls_get_addr->elf;
if (opt != NULL && tga != NULL)
{
case R_PPC64_TLSGD:
case R_PPC64_TLSLD:
+ if (rel + 1 < relend
+ && is_plt_seq_reloc (ELF64_R_TYPE (rel[1].r_info)))
+ {
+ if (pass != 0
+ && (ELF64_R_TYPE (rel[1].r_info)
+ != R_PPC64_PLTSEQ))
+ {
+ r_symndx = ELF64_R_SYM (rel[1].r_info);
+ if (!get_sym_h (&h, NULL, NULL, NULL, &locsyms,
+ r_symndx, ibfd))
+ goto err_free_rel;
+ if (h != NULL)
+ {
+ struct plt_entry *ent = NULL;
+
+ for (ent = h->plt.plist;
+ ent != NULL;
+ ent = ent->next)
+ if (ent->addend == rel[1].r_addend)
+ break;
+
+ if (ent != NULL
+ && ent->plt.refcount > 0)
+ ent->plt.refcount -= 1;
+ }
+ }
+ continue;
+ }
found_tls_get_addr_arg = 1;
/* Fall through. */
case of R_PPC64_TLS, and after checking for
tls_get_addr for the TOC16 relocs. */
if (toc_ref == NULL)
- toc_ref = bfd_zmalloc (toc->output_section->rawsize / 8);
+ toc_ref
+ = bfd_zmalloc (toc->output_section->rawsize / 8);
if (toc_ref == NULL)
goto err_free_rel;
goto err_free_rel;
if (toc_tls != NULL)
{
- if ((*toc_tls & (TLS_GD | TLS_LD)) != 0)
+ if ((*toc_tls & TLS_TLS) != 0
+ && ((*toc_tls & (TLS_GD | TLS_LD)) != 0))
found_tls_get_addr_arg = 1;
if (retval > 1)
toc_ref[toc_ref_index] = 1;
continue;
}
- if (expecting_tls_get_addr != 1)
- continue;
-
/* Uh oh, we didn't find the expected call. We
could just mark this symbol to exclude it
from tls optimization but it's safer to skip
goto err_free_rel;
}
- if (expecting_tls_get_addr && htab->tls_get_addr != NULL)
+ /* If we don't have old-style __tls_get_addr calls
+ without TLSGD/TLSLD marker relocs, and we haven't
+ found a new-style __tls_get_addr call with a
+ marker for this symbol, then we either have a
+ broken object file or an -mlongcall style
+ indirect call to __tls_get_addr without a marker.
+ Disable optimization in this case. */
+ if ((tls_clear & (TLS_GD | TLS_LD)) != 0
+ && (tls_set & TLS_EXPLICIT) == 0
+ && !sec->has_tls_get_addr_call
+ && ((*tls_mask & (TLS_TLS | TLS_MARK))
+ != (TLS_TLS | TLS_MARK)))
+ continue;
+
+ if (expecting_tls_get_addr)
{
- struct plt_entry *ent;
- for (ent = htab->tls_get_addr->elf.plt.plist;
- ent != NULL;
- ent = ent->next)
- if (ent->addend == 0)
- {
- if (ent->plt.refcount > 0)
- {
- ent->plt.refcount -= 1;
- expecting_tls_get_addr = 0;
- }
+ struct plt_entry *ent = NULL;
+
+ if (htab->tls_get_addr != NULL)
+ for (ent = htab->tls_get_addr->elf.plt.plist;
+ ent != NULL;
+ ent = ent->next)
+ if (ent->addend == 0)
break;
- }
- }
- if (expecting_tls_get_addr && htab->tls_get_addr_fd != NULL)
- {
- struct plt_entry *ent;
- for (ent = htab->tls_get_addr_fd->elf.plt.plist;
- ent != NULL;
- ent = ent->next)
- if (ent->addend == 0)
- {
- if (ent->plt.refcount > 0)
- ent->plt.refcount -= 1;
+ if (ent == NULL && htab->tls_get_addr_fd != NULL)
+ for (ent = htab->tls_get_addr_fd->elf.plt.plist;
+ ent != NULL;
+ ent = ent->next)
+ if (ent->addend == 0)
break;
- }
+
+ if (ent != NULL
+ && ent->plt.refcount > 0)
+ ent->plt.refcount -= 1;
}
if (tls_clear == 0)
if (toc_ref != NULL)
free (toc_ref);
+ htab->do_tls_opt = 1;
return TRUE;
}
the values of any global symbols in a toc section that has been
edited. Globals in toc sections should be a rarity, so this function
sets a flag if any are found in toc sections other than the one just
- edited, so that futher hash table traversals can be avoided. */
+ edited, so that further hash table traversals can be avoided. */
struct adjust_toc_info
{
info->callbacks->einfo
/* xgettext:c-format */
(_("%H: toc optimization is not supported for"
- " %s instruction.\n"),
+ " %s instruction\n"),
ibfd, sec, rel->r_offset & ~3, str);
}
}
/* Merge the used and skip arrays. Assume that TOC
doublewords not appearing as either used or unused belong
- to to an entry more than one doubleword in size. */
+ to an entry more than one doubleword in size. */
for (drop = skip, keep = used, last = 0, some_unused = 0;
drop < skip + (toc->size + 7) / 8;
++drop, ++keep)
htab->elf.irelplt->size += rentsize;
htab->got_reli_size += rentsize;
}
- else if ((bfd_link_pic (info)
+ else if (((bfd_link_pic (info)
+ && !((gent->tls_type & TLS_TPREL) != 0
+ && bfd_link_executable (info)
+ && SYMBOL_REFERENCES_LOCAL (info, h)))
|| (htab->elf.dynamic_sections_created
&& h->dynindx != -1
&& !SYMBOL_REFERENCES_LOCAL (info, h)))
- && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak))
+ && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
{
asection *relgot = ppc64_elf_tdata (gent->owner)->relgot;
relgot->size += rentsize;
}
}
-/* If H is undefined weak, make it dynamic if that makes sense. */
+/* If H is undefined, make it dynamic if that makes sense. */
static bfd_boolean
-ensure_undefweak_dynamic (struct bfd_link_info *info,
- struct elf_link_hash_entry *h)
+ensure_undef_dynamic (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
{
struct elf_link_hash_table *htab = elf_hash_table (info);
if (htab->dynamic_sections_created
- && h->root.type == bfd_link_hash_undefweak
+ && ((info->dynamic_undefined_weak != 0
+ && h->root.type == bfd_link_hash_undefweak)
+ || h->root.type == bfd_link_hash_undefined)
&& h->dynindx == -1
&& !h->forced_local
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
eh = (struct ppc_link_hash_entry *) h;
/* Run through the TLS GD got entries first if we're changing them
to TPREL. */
- if ((eh->tls_mask & TLS_TPRELGD) != 0)
+ if ((eh->tls_mask & (TLS_TLS | TLS_TPRELGD)) == (TLS_TLS | TLS_TPRELGD))
for (gent = h->got.glist; gent != NULL; gent = gent->next)
if (gent->got.refcount > 0
&& (gent->tls_type & TLS_GD) != 0)
for (gent = h->got.glist; gent != NULL; gent = gent->next)
if (!gent->is_indirect)
{
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (!ensure_undefweak_dynamic (info, h))
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (!ensure_undef_dynamic (info, h))
return FALSE;
if (!is_ppc64_elf (gent->owner))
allocate_got (h, info, gent);
}
+ /* If no dynamic sections we can't have dynamic relocs, except for
+ IFUNCs which are handled even in static executables. */
if (!htab->elf.dynamic_sections_created
&& h->type != STT_GNU_IFUNC)
eh->dyn_relocs = NULL;
+ /* Discard relocs on undefined symbols that must be local. */
+ else if (h->root.type == bfd_link_hash_undefined
+ && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
+ eh->dyn_relocs = NULL;
+
+ /* Also discard relocs on undefined weak syms with non-default
+ visibility, or when dynamic_undefined_weak says so. */
+ else if (UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
+ eh->dyn_relocs = NULL;
+
if (eh->dyn_relocs != NULL)
{
struct elf_dyn_relocs *p, **pp;
}
}
- /* Also discard relocs on undefined weak syms with
- non-default visibility. */
- if (eh->dyn_relocs != NULL
- && h->root.type == bfd_link_hash_undefweak)
+ if (eh->dyn_relocs != NULL)
{
- if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
- eh->dyn_relocs = NULL;
-
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- else if (!ensure_undefweak_dynamic (info, h))
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (!ensure_undef_dynamic (info, h))
return FALSE;
}
}
- else if (h->type == STT_GNU_IFUNC)
- {
- /* A plt entry is always created when making direct calls to
- an ifunc, even when building a static executable, but
- that doesn't cover all cases. We may have only an ifunc
- initialised function pointer for a given ifunc symbol.
-
- For ELFv2, dynamic relocations are not required when
- generating a global entry PLT stub. */
- if (abiversion (info->output_bfd) >= 2)
- {
- if (global_entry_stub (h))
- eh->dyn_relocs = NULL;
- }
-
- /* For ELFv1 we have function descriptors. Descriptors need
- to be treated like PLT entries and thus have dynamic
- relocations. One exception is when the function
- descriptor is copied into .dynbss (which should only
- happen with ancient versions of gcc). */
- else if (h->needs_copy)
- eh->dyn_relocs = NULL;
- }
- else if (ELIMINATE_COPY_RELOCS)
+ else if (ELIMINATE_COPY_RELOCS && h->type != STT_GNU_IFUNC)
{
/* For the non-pic case, discard space for relocs against
symbols which turn out to need copy relocs or are not
dynamic. */
- if (!h->non_got_ref
- && !h->def_regular)
+ if (h->dynamic_adjusted
+ && !h->def_regular
+ && !ELF_COMMON_DEF_P (h))
{
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (!ensure_undefweak_dynamic (info, h))
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (!ensure_undef_dynamic (info, h))
return FALSE;
if (h->dynindx == -1)
}
}
- if ((htab->elf.dynamic_sections_created
- && h->dynindx != -1)
- || h->type == STT_GNU_IFUNC)
+ /* We might need a PLT entry when the symbol
+ a) is dynamic, or
+ b) is an ifunc, or
+ c) has plt16 relocs and has been processed by adjust_dynamic_symbol, or
+ d) has plt16 relocs and we are linking statically. */
+ if ((htab->elf.dynamic_sections_created && h->dynindx != -1)
+ || h->type == STT_GNU_IFUNC
+ || (h->needs_plt && h->dynamic_adjusted)
+ || (h->needs_plt
+ && h->def_regular
+ && !htab->elf.dynamic_sections_created
+ && !htab->can_convert_all_inline_plt
+ && (((struct ppc_link_hash_entry *) h)->tls_mask
+ & (TLS_TLS | PLT_KEEP)) == PLT_KEEP))
{
struct plt_entry *pent;
bfd_boolean doneone = FALSE;
if (!htab->elf.dynamic_sections_created
|| h->dynindx == -1)
{
- s = htab->elf.iplt;
- pent->plt.offset = s->size;
- s->size += PLT_ENTRY_SIZE (htab);
- s = htab->elf.irelplt;
+ if (h->type == STT_GNU_IFUNC)
+ {
+ s = htab->elf.iplt;
+ pent->plt.offset = s->size;
+ s->size += PLT_ENTRY_SIZE (htab);
+ s = htab->elf.irelplt;
+ }
+ else
+ {
+ s = htab->pltlocal;
+ pent->plt.offset = s->size;
+ s->size += LOCAL_PLT_ENTRY_SIZE (htab);
+ s = bfd_link_pic (info) ? htab->relpltlocal : NULL;
+ }
}
else
{
/* Make room for the .glink code. */
s = htab->glink;
if (s->size == 0)
- s->size += GLINK_CALL_STUB_SIZE;
+ s->size += GLINK_PLTRESOLVE_SIZE (htab);
if (htab->opd_abi)
{
/* We need bigger stubs past index 32767. */
- if (s->size >= GLINK_CALL_STUB_SIZE + 32768*2*4)
+ if (s->size >= GLINK_PLTRESOLVE_SIZE (htab) + 32768*2*4)
s->size += 4;
s->size += 2*4;
}
/* We also need to make an entry in the .rela.plt section. */
s = htab->elf.srelplt;
}
- s->size += sizeof (Elf64_External_Rela);
+ if (s != NULL)
+ s->size += sizeof (Elf64_External_Rela);
doneone = TRUE;
}
else
return TRUE;
}
+#define PPC_LO(v) ((v) & 0xffff)
+#define PPC_HI(v) (((v) >> 16) & 0xffff)
+#define PPC_HA(v) PPC_HI ((v) + 0x8000)
+
/* Called via elf_link_hash_traverse from ppc64_elf_size_dynamic_sections
to set up space for global entry stubs. These are put in glink,
after the branch table. */
struct bfd_link_info *info;
struct ppc_link_hash_table *htab;
struct plt_entry *pent;
- asection *s;
+ asection *s, *plt;
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
if (htab == NULL)
return FALSE;
- s = htab->glink;
+ s = htab->global_entry;
+ plt = htab->elf.splt;
for (pent = h->plt.plist; pent != NULL; pent = pent->next)
if (pent->plt.offset != (bfd_vma) -1
&& pent->addend == 0)
and we are not generating a shared library or pie, then we
need to define the symbol in the executable on a call stub.
This is to avoid text relocations. */
- s->size = (s->size + 15) & -16;
+ bfd_vma off, stub_align, stub_off, stub_size;
+ unsigned int align_power;
+
+ stub_size = 16;
+ stub_off = s->size;
+ if (htab->params->plt_stub_align >= 0)
+ align_power = htab->params->plt_stub_align;
+ else
+ align_power = -htab->params->plt_stub_align;
+ /* Setting section alignment is delayed until we know it is
+ non-empty. Otherwise the .text output section will be
+ aligned at least to plt_stub_align even when no global
+ entry stubs are needed. */
+ if (s->alignment_power < align_power)
+ s->alignment_power = align_power;
+ stub_align = (bfd_vma) 1 << align_power;
+ if (htab->params->plt_stub_align >= 0
+ || ((((stub_off + stub_size - 1) & -stub_align)
+ - (stub_off & -stub_align))
+ > ((stub_size - 1) & -stub_align)))
+ stub_off = (stub_off + stub_align - 1) & -stub_align;
+ off = pent->plt.offset + plt->output_offset + plt->output_section->vma;
+ off -= stub_off + s->output_offset + s->output_section->vma;
+ /* Note that for --plt-stub-align negative we have a possible
+ dependency between stub offset and size. Break that
+ dependency by assuming the max stub size when calculating
+ the stub offset. */
+ if (PPC_HA (off) == 0)
+ stub_size -= 4;
h->root.type = bfd_link_hash_defined;
h->root.u.def.section = s;
- h->root.u.def.value = s->size;
- s->size += 16;
+ h->root.u.def.value = stub_off;
+ s->size = stub_off + stub_size;
break;
}
return TRUE;
read-only sections. */
static bfd_boolean
-maybe_set_textrel (struct elf_link_hash_entry *h, void *info)
+maybe_set_textrel (struct elf_link_hash_entry *h, void *inf)
{
+ asection *sec;
+
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
- if (readonly_dynrelocs (h))
+ sec = readonly_dynrelocs (h);
+ if (sec != NULL)
{
- ((struct bfd_link_info *) info)->flags |= DF_TEXTREL;
+ struct bfd_link_info *info = (struct bfd_link_info *) inf;
+
+ info->flags |= DF_TEXTREL;
+ info->callbacks->minfo (_("%pB: dynamic relocation against `%pT'"
+ " in read-only section `%pA'\n"),
+ sec->owner, h->root.root.string, sec);
/* Not an error, just cut short the traversal. */
return FALSE;
rel_size *= 2;
}
s->size += ent_size;
- if ((*lgot_masks & PLT_IFUNC) != 0)
+ if ((*lgot_masks & (TLS_TLS | PLT_IFUNC)) == PLT_IFUNC)
{
htab->elf.irelplt->size += rel_size;
htab->got_reli_size += rel_size;
}
- else if (bfd_link_pic (info))
+ else if (bfd_link_pic (info)
+ && !((ent->tls_type & TLS_TPREL) != 0
+ && bfd_link_executable (info)))
{
asection *srel = ppc64_elf_tdata (ibfd)->relgot;
srel->size += rel_size;
*pent = ent->next;
}
- /* Allocate space for calls to local STT_GNU_IFUNC syms in .iplt. */
- for (; local_plt < end_local_plt; ++local_plt)
+ /* Allocate space for plt calls to local syms. */
+ lgot_masks = (unsigned char *) end_local_plt;
+ for (; local_plt < end_local_plt; ++local_plt, ++lgot_masks)
{
struct plt_entry *ent;
for (ent = *local_plt; ent != NULL; ent = ent->next)
if (ent->plt.refcount > 0)
{
- s = htab->elf.iplt;
- ent->plt.offset = s->size;
- s->size += PLT_ENTRY_SIZE (htab);
-
- htab->elf.irelplt->size += sizeof (Elf64_External_Rela);
+ if ((*lgot_masks & (TLS_TLS | PLT_IFUNC)) == PLT_IFUNC)
+ {
+ s = htab->elf.iplt;
+ ent->plt.offset = s->size;
+ s->size += PLT_ENTRY_SIZE (htab);
+ htab->elf.irelplt->size += sizeof (Elf64_External_Rela);
+ }
+ else if (htab->can_convert_all_inline_plt
+ || (*lgot_masks & (TLS_TLS | PLT_KEEP)) != PLT_KEEP)
+ ent->plt.offset = (bfd_vma) -1;
+ else
+ {
+ s = htab->pltlocal;
+ ent->plt.offset = s->size;
+ s->size += LOCAL_PLT_ENTRY_SIZE (htab);
+ if (bfd_link_pic (info))
+ htab->relpltlocal->size += sizeof (Elf64_External_Rela);
+ }
}
else
ent->plt.offset = (bfd_vma) -1;
/* Allocate global sym .plt and .got entries, and space for global
sym dynamic relocs. */
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
- /* Stash the end of glink branch table. */
- if (htab->glink != NULL)
- htab->glink->rawsize = htab->glink->size;
if (!htab->opd_abi && !bfd_link_pic (info))
elf_link_hash_traverse (&htab->elf, size_global_entry_stubs, info);
else if (s == htab->elf.sgot
|| s == htab->elf.splt
|| s == htab->elf.iplt
+ || s == htab->pltlocal
|| s == htab->glink
+ || s == htab->global_entry
|| s == htab->elf.sdynbss
|| s == htab->elf.sdynrelro)
{
continue;
}
+ if (bfd_is_abs_section (s->output_section))
+ _bfd_error_handler (_("warning: discarding dynamic section %s"),
+ s->name);
+
if ((s->flags & SEC_HAS_CONTENTS) == 0)
continue;
/* Determine if a long branch stub is needed. */
max_branch_offset = 1 << 25;
- if (r_type != R_PPC64_REL24)
+ if (r_type == R_PPC64_REL14
+ || r_type == R_PPC64_REL14_BRTAKEN
+ || r_type == R_PPC64_REL14_BRNTAKEN)
max_branch_offset = 1 << 15;
if (branch_offset + max_branch_offset >= 2 * max_branch_offset - local_off)
return ppc_stub_none;
}
+/* Gets the address of a label (1:) in r11 and builds an offset in r12,
+ then adds it to r11 (LOAD false) or loads r12 from r11+r12 (LOAD true).
+ . mflr %r12
+ . bcl 20,31,1f
+ .1: mflr %r11
+ . mtlr %r12
+ . lis %r12,xxx-1b@highest
+ . ori %r12,%r12,xxx-1b@higher
+ . sldi %r12,%r12,32
+ . oris %r12,%r12,xxx-1b@high
+ . ori %r12,%r12,xxx-1b@l
+ . add/ldx %r12,%r11,%r12 */
+
+static bfd_byte *
+build_offset (bfd *abfd, bfd_byte *p, bfd_vma off, bfd_boolean load)
+{
+ bfd_put_32 (abfd, MFLR_R12, p);
+ p += 4;
+ bfd_put_32 (abfd, BCL_20_31, p);
+ p += 4;
+ bfd_put_32 (abfd, MFLR_R11, p);
+ p += 4;
+ bfd_put_32 (abfd, MTLR_R12, p);
+ p += 4;
+ if (off + 0x8000 < 0x10000)
+ {
+ if (load)
+ bfd_put_32 (abfd, LD_R12_0R11 + PPC_LO (off), p);
+ else
+ bfd_put_32 (abfd, ADDI_R12_R11 + PPC_LO (off), p);
+ p += 4;
+ }
+ else if (off + 0x80008000ULL < 0x100000000ULL)
+ {
+ bfd_put_32 (abfd, ADDIS_R12_R11 + PPC_HA (off), p);
+ p += 4;
+ if (load)
+ bfd_put_32 (abfd, LD_R12_0R12 + PPC_LO (off), p);
+ else
+ bfd_put_32 (abfd, ADDI_R12_R12 + PPC_LO (off), p);
+ p += 4;
+ }
+ else
+ {
+ if (off + 0x800000000000ULL < 0x1000000000000ULL)
+ {
+ bfd_put_32 (abfd, LI_R12_0 + ((off >> 32) & 0xffff), p);
+ p += 4;
+ }
+ else
+ {
+ bfd_put_32 (abfd, LIS_R12 + ((off >> 48) & 0xffff), p);
+ p += 4;
+ if (((off >> 32) & 0xffff) != 0)
+ {
+ bfd_put_32 (abfd, ORI_R12_R12_0 + ((off >> 32) & 0xffff), p);
+ p += 4;
+ }
+ }
+ if (((off >> 32) & 0xffffffffULL) != 0)
+ {
+ bfd_put_32 (abfd, SLDI_R12_R12_32, p);
+ p += 4;
+ }
+ if (PPC_HI (off) != 0)
+ {
+ bfd_put_32 (abfd, ORIS_R12_R12_0 + PPC_HI (off), p);
+ p += 4;
+ }
+ if (PPC_LO (off) != 0)
+ {
+ bfd_put_32 (abfd, ORI_R12_R12_0 + PPC_LO (off), p);
+ p += 4;
+ }
+ if (load)
+ bfd_put_32 (abfd, LDX_R12_R11_R12, p);
+ else
+ bfd_put_32 (abfd, ADD_R12_R11_R12, p);
+ p += 4;
+ }
+ return p;
+}
+
+static unsigned int
+size_offset (bfd_vma off)
+{
+ unsigned int size;
+ if (off + 0x8000 < 0x10000)
+ size = 4;
+ else if (off + 0x80008000ULL < 0x100000000ULL)
+ size = 8;
+ else
+ {
+ if (off + 0x800000000000ULL < 0x1000000000000ULL)
+ size = 4;
+ else
+ {
+ size = 4;
+ if (((off >> 32) & 0xffff) != 0)
+ size += 4;
+ }
+ if (((off >> 32) & 0xffffffffULL) != 0)
+ size += 4;
+ if (PPC_HI (off) != 0)
+ size += 4;
+ if (PPC_LO (off) != 0)
+ size += 4;
+ size += 4;
+ }
+ return size + 16;
+}
+
+/* Emit .eh_frame opcode to advance pc by DELTA. */
+
+static bfd_byte *
+eh_advance (bfd *abfd, bfd_byte *eh, unsigned int delta)
+{
+ delta /= 4;
+ if (delta < 64)
+ *eh++ = DW_CFA_advance_loc + delta;
+ else if (delta < 256)
+ {
+ *eh++ = DW_CFA_advance_loc1;
+ *eh++ = delta;
+ }
+ else if (delta < 65536)
+ {
+ *eh++ = DW_CFA_advance_loc2;
+ bfd_put_16 (abfd, delta, eh);
+ eh += 2;
+ }
+ else
+ {
+ *eh++ = DW_CFA_advance_loc4;
+ bfd_put_32 (abfd, delta, eh);
+ eh += 4;
+ }
+ return eh;
+}
+
+/* Size of required .eh_frame opcode to advance pc by DELTA. */
+
+static unsigned int
+eh_advance_size (unsigned int delta)
+{
+ if (delta < 64 * 4)
+ /* DW_CFA_advance_loc+[1..63]. */
+ return 1;
+ if (delta < 256 * 4)
+ /* DW_CFA_advance_loc1, byte. */
+ return 2;
+ if (delta < 65536 * 4)
+ /* DW_CFA_advance_loc2, 2 bytes. */
+ return 3;
+ /* DW_CFA_advance_loc4, 4 bytes. */
+ return 5;
+}
+
/* With power7 weakly ordered memory model, it is possible for ld.so
to update a plt entry in one thread and have another thread see a
stale zero toc entry. To avoid this we need some sort of acquire
#define ALWAYS_USE_FAKE_DEP 0
#define ALWAYS_EMIT_R2SAVE 0
-#define PPC_LO(v) ((v) & 0xffff)
-#define PPC_HI(v) (((v) >> 16) & 0xffff)
-#define PPC_HA(v) PPC_HI ((v) + 0x8000)
-
static inline unsigned int
plt_stub_size (struct ppc_link_hash_table *htab,
struct ppc_stub_hash_entry *stub_entry,
bfd_vma off)
{
- unsigned size = 12;
+ unsigned size;
+
+ if (stub_entry->stub_type >= ppc_stub_plt_call_notoc)
+ {
+ size = 8 + size_offset (off - 8);
+ if (stub_entry->stub_type > ppc_stub_plt_call_notoc)
+ size += 4;
+ return size;
+ }
+ size = 12;
if (ALWAYS_EMIT_R2SAVE
|| stub_entry->stub_type == ppc_stub_plt_call_r2save)
size += 4;
&& (stub_entry->h == htab->tls_get_addr_fd
|| stub_entry->h == htab->tls_get_addr)
&& htab->params->tls_get_addr_opt)
- size += 13 * 4;
+ {
+ size += 7 * 4;
+ if (stub_entry->stub_type == ppc_stub_plt_call_r2save)
+ size += 6 * 4;
+ }
return size;
}
-/* If this stub would cross fewer 2**plt_stub_align boundaries if we align,
- then return the padding needed to do so. */
+/* Depending on the sign of plt_stub_align:
+ If positive, return the padding to align to a 2**plt_stub_align
+ boundary.
+ If negative, if this stub would cross fewer 2**plt_stub_align
+ boundaries if we align, then return the padding needed to do so. */
+
static inline unsigned int
plt_stub_pad (struct ppc_link_hash_table *htab,
struct ppc_stub_hash_entry *stub_entry,
bfd_vma plt_off)
{
- int stub_align = 1 << htab->params->plt_stub_align;
- unsigned stub_size = plt_stub_size (htab, stub_entry, plt_off);
+ int stub_align;
+ unsigned stub_size;
bfd_vma stub_off = stub_entry->group->stub_sec->size;
+ if (htab->params->plt_stub_align >= 0)
+ {
+ stub_align = 1 << htab->params->plt_stub_align;
+ if ((stub_off & (stub_align - 1)) != 0)
+ return stub_align - (stub_off & (stub_align - 1));
+ return 0;
+ }
+
+ stub_align = 1 << -htab->params->plt_stub_align;
+ stub_size = plt_stub_size (htab, stub_entry, plt_off);
if (((stub_off + stub_size - 1) & -stub_align) - (stub_off & -stub_align)
> ((stub_size - 1) & -stub_align))
return stub_align - (stub_off & (stub_align - 1));
bfd_vma pltoff = stub_entry->plt_ent->plt.offset & ~1;
bfd_vma pltindex = ((pltoff - PLT_INITIAL_ENTRY_SIZE (htab))
/ PLT_ENTRY_SIZE (htab));
- bfd_vma glinkoff = GLINK_CALL_STUB_SIZE + pltindex * 8;
+ bfd_vma glinkoff = GLINK_PLTRESOLVE_SIZE (htab) + pltindex * 8;
bfd_vma to, from;
if (pltindex > 32768)
bfd_byte *p, bfd_vma offset, Elf_Internal_Rela *r)
{
bfd *obfd = htab->params->stub_bfd;
+ bfd_byte *loc = p;
bfd_put_32 (obfd, LD_R11_0R3 + 0, p), p += 4;
bfd_put_32 (obfd, LD_R12_0R3 + 8, p), p += 4;
bfd_put_32 (obfd, ADD_R3_R12_R13, p), p += 4;
bfd_put_32 (obfd, BEQLR, p), p += 4;
bfd_put_32 (obfd, MR_R3_R0, p), p += 4;
+ if (r != NULL)
+ r[0].r_offset += 7 * 4;
+ if (stub_entry->stub_type != ppc_stub_plt_call_r2save)
+ return build_plt_stub (htab, stub_entry, p, offset, r);
+
bfd_put_32 (obfd, MFLR_R11, p), p += 4;
bfd_put_32 (obfd, STD_R11_0R1 + STK_LINKER (htab), p), p += 4;
if (r != NULL)
- r[0].r_offset += 9 * 4;
+ r[0].r_offset += 2 * 4;
p = build_plt_stub (htab, stub_entry, p, offset, r);
bfd_put_32 (obfd, BCTRL, p - 4);
bfd_put_32 (obfd, MTLR_R11, p), p += 4;
bfd_put_32 (obfd, BLR, p), p += 4;
+ if (htab->glink_eh_frame != NULL
+ && htab->glink_eh_frame->size != 0)
+ {
+ bfd_byte *base, *eh;
+ unsigned int lr_used, delta;
+
+ base = htab->glink_eh_frame->contents + stub_entry->group->eh_base + 17;
+ eh = base + stub_entry->group->eh_size;
+ lr_used = stub_entry->stub_offset + (p - 20 - loc);
+ delta = lr_used - stub_entry->group->lr_restore;
+ stub_entry->group->lr_restore = lr_used + 16;
+ eh = eh_advance (htab->elf.dynobj, eh, delta);
+ *eh++ = DW_CFA_offset_extended_sf;
+ *eh++ = 65;
+ *eh++ = -(STK_LINKER (htab) / 8) & 0x7f;
+ *eh++ = DW_CFA_advance_loc + 4;
+ *eh++ = DW_CFA_restore_extended;
+ *eh++ = 65;
+ stub_entry->group->eh_size = eh - base;
+ }
return p;
}
if (strcmp (opd->name, ".opd") != 0
|| opd->reloc_count != 0)
{
- info->callbacks->einfo (_("%P: cannot find opd entry toc for `%T'\n"),
- stub_entry->h->elf.root.root.string);
+ info->callbacks->einfo
+ (_("%P: cannot find opd entry toc for `%pT'\n"),
+ stub_entry->h->elf.root.root.string);
bfd_set_error (bfd_error_bad_value);
return (bfd_vma) -1;
}
struct ppc_link_hash_table *htab;
bfd_byte *loc;
bfd_byte *p;
- bfd_vma dest, off;
- int size;
+ bfd_vma targ, off;
Elf_Internal_Rela *r;
asection *plt;
if (htab == NULL)
return FALSE;
- /* Make a note of the offset within the stubs for this entry. */
- stub_entry->stub_offset = stub_entry->group->stub_sec->size;
+ BFD_ASSERT (stub_entry->stub_offset >= stub_entry->group->stub_sec->size);
loc = stub_entry->group->stub_sec->contents + stub_entry->stub_offset;
htab->stub_count[stub_entry->stub_type - 1] += 1;
case ppc_stub_long_branch:
case ppc_stub_long_branch_r2off:
/* Branches are relative. This is where we are going to. */
- dest = (stub_entry->target_value
+ targ = (stub_entry->target_value
+ stub_entry->target_section->output_offset
+ stub_entry->target_section->output_section->vma);
- dest += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
- off = dest;
+ targ += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
/* And this is where we are coming from. */
- off -= (stub_entry->stub_offset
- + stub_entry->group->stub_sec->output_offset
- + stub_entry->group->stub_sec->output_section->vma);
+ off = (stub_entry->stub_offset
+ + stub_entry->group->stub_sec->output_offset
+ + stub_entry->group->stub_sec->output_section->vma);
+ off = targ - off;
- size = 4;
+ p = loc;
if (stub_entry->stub_type == ppc_stub_long_branch_r2off)
{
bfd_vma r2off = get_r2off (info, stub_entry);
htab->stub_error = TRUE;
return FALSE;
}
- bfd_put_32 (htab->params->stub_bfd, STD_R2_0R1 + STK_TOC (htab), loc);
- loc += 4;
- size = 8;
+ bfd_put_32 (htab->params->stub_bfd, STD_R2_0R1 + STK_TOC (htab), p);
+ p += 4;
if (PPC_HA (r2off) != 0)
{
bfd_put_32 (htab->params->stub_bfd,
- ADDIS_R2_R2 | PPC_HA (r2off), loc);
- loc += 4;
- size += 4;
+ ADDIS_R2_R2 | PPC_HA (r2off), p);
+ p += 4;
}
if (PPC_LO (r2off) != 0)
{
bfd_put_32 (htab->params->stub_bfd,
- ADDI_R2_R2 | PPC_LO (r2off), loc);
- loc += 4;
- size += 4;
+ ADDI_R2_R2 | PPC_LO (r2off), p);
+ p += 4;
}
- off -= size - 4;
+ off -= p - loc;
}
- bfd_put_32 (htab->params->stub_bfd, B_DOT | (off & 0x3fffffc), loc);
+ bfd_put_32 (htab->params->stub_bfd, B_DOT | (off & 0x3fffffc), p);
+ p += 4;
if (off + (1 << 25) >= (bfd_vma) (1 << 26))
{
- info->callbacks->einfo
- (_("%P: long branch stub `%s' offset overflow\n"),
+ _bfd_error_handler
+ (_("long branch stub `%s' offset overflow"),
stub_entry->root.string);
htab->stub_error = TRUE;
return FALSE;
r = get_relocs (stub_entry->group->stub_sec, 1);
if (r == NULL)
return FALSE;
- r->r_offset = loc - stub_entry->group->stub_sec->contents;
+ r->r_offset = p - 4 - stub_entry->group->stub_sec->contents;
r->r_info = ELF64_R_INFO (0, R_PPC64_REL24);
- r->r_addend = dest;
+ r->r_addend = targ;
if (stub_entry->h != NULL)
{
struct elf_link_hash_entry **hashes;
FALSE, FALSE);
if (br_entry == NULL)
{
- info->callbacks->einfo (_("%P: can't find branch stub `%s'\n"),
- stub_entry->root.string);
+ _bfd_error_handler (_("can't find branch stub `%s'"),
+ stub_entry->root.string);
htab->stub_error = TRUE;
return FALSE;
}
- dest = (stub_entry->target_value
+ targ = (stub_entry->target_value
+ stub_entry->target_section->output_offset
+ stub_entry->target_section->output_section->vma);
if (stub_entry->stub_type != ppc_stub_plt_branch_r2off)
- dest += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
+ targ += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
- bfd_put_64 (htab->brlt->owner, dest,
+ bfd_put_64 (htab->brlt->owner, targ,
htab->brlt->contents + br_entry->offset);
if (br_entry->iter == htab->stub_iteration)
+ htab->brlt->output_offset
+ htab->brlt->output_section->vma);
rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
- rela.r_addend = dest;
+ rela.r_addend = targ;
rl = htab->relbrlt->contents;
rl += (htab->relbrlt->reloc_count++
+ htab->brlt->output_offset
+ htab->brlt->output_section->vma);
r->r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
- r->r_addend = dest;
+ r->r_addend = targ;
}
}
- dest = (br_entry->offset
+ targ = (br_entry->offset
+ htab->brlt->output_offset
+ htab->brlt->output_section->vma);
- off = (dest
- - elf_gp (htab->brlt->output_section->owner)
- - htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = (elf_gp (info->output_bfd)
+ + htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = targ - off;
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
{
info->callbacks->einfo
- (_("%P: linkage table error against `%T'\n"),
+ (_("%P: linkage table error against `%pT'\n"),
stub_entry->root.string);
bfd_set_error (bfd_error_bad_value);
htab->stub_error = TRUE;
if (stub_entry->stub_type == ppc_stub_plt_branch_r2off)
r[0].r_offset += 4;
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
- r[0].r_addend = dest;
+ r[0].r_addend = targ;
if (PPC_HA (off) != 0)
{
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_HA);
}
}
+ p = loc;
if (stub_entry->stub_type != ppc_stub_plt_branch_r2off)
{
if (PPC_HA (off) != 0)
{
- size = 16;
bfd_put_32 (htab->params->stub_bfd,
- ADDIS_R12_R2 | PPC_HA (off), loc);
- loc += 4;
+ ADDIS_R12_R2 | PPC_HA (off), p);
+ p += 4;
bfd_put_32 (htab->params->stub_bfd,
- LD_R12_0R12 | PPC_LO (off), loc);
+ LD_R12_0R12 | PPC_LO (off), p);
}
else
- {
- size = 12;
- bfd_put_32 (htab->params->stub_bfd,
- LD_R12_0R2 | PPC_LO (off), loc);
- }
+ bfd_put_32 (htab->params->stub_bfd,
+ LD_R12_0R2 | PPC_LO (off), p);
}
else
{
return FALSE;
}
- bfd_put_32 (htab->params->stub_bfd, STD_R2_0R1 + STK_TOC (htab), loc);
- loc += 4;
- size = 16;
+ bfd_put_32 (htab->params->stub_bfd, STD_R2_0R1 + STK_TOC (htab), p);
+ p += 4;
if (PPC_HA (off) != 0)
{
- size += 4;
bfd_put_32 (htab->params->stub_bfd,
- ADDIS_R12_R2 | PPC_HA (off), loc);
- loc += 4;
+ ADDIS_R12_R2 | PPC_HA (off), p);
+ p += 4;
bfd_put_32 (htab->params->stub_bfd,
- LD_R12_0R12 | PPC_LO (off), loc);
+ LD_R12_0R12 | PPC_LO (off), p);
}
else
- bfd_put_32 (htab->params->stub_bfd, LD_R12_0R2 | PPC_LO (off), loc);
+ bfd_put_32 (htab->params->stub_bfd, LD_R12_0R2 | PPC_LO (off), p);
if (PPC_HA (r2off) != 0)
{
- size += 4;
- loc += 4;
+ p += 4;
bfd_put_32 (htab->params->stub_bfd,
- ADDIS_R2_R2 | PPC_HA (r2off), loc);
+ ADDIS_R2_R2 | PPC_HA (r2off), p);
}
if (PPC_LO (r2off) != 0)
{
- size += 4;
- loc += 4;
+ p += 4;
bfd_put_32 (htab->params->stub_bfd,
- ADDI_R2_R2 | PPC_LO (r2off), loc);
+ ADDI_R2_R2 | PPC_LO (r2off), p);
+ }
+ }
+ p += 4;
+ bfd_put_32 (htab->params->stub_bfd, MTCTR_R12, p);
+ p += 4;
+ bfd_put_32 (htab->params->stub_bfd, BCTR, p);
+ p += 4;
+ break;
+
+ case ppc_stub_long_branch_notoc:
+ case ppc_stub_long_branch_both:
+ case ppc_stub_plt_branch_notoc:
+ case ppc_stub_plt_branch_both:
+ case ppc_stub_plt_call_notoc:
+ case ppc_stub_plt_call_both:
+ p = loc;
+ off = (stub_entry->stub_offset
+ + stub_entry->group->stub_sec->output_offset
+ + stub_entry->group->stub_sec->output_section->vma);
+ if (stub_entry->stub_type == ppc_stub_long_branch_both
+ || stub_entry->stub_type == ppc_stub_plt_branch_both
+ || stub_entry->stub_type == ppc_stub_plt_call_both)
+ {
+ off += 4;
+ bfd_put_32 (htab->params->stub_bfd, STD_R2_0R1 + STK_TOC (htab), p);
+ p += 4;
+ }
+ if (stub_entry->stub_type >= ppc_stub_plt_call_notoc)
+ {
+ targ = stub_entry->plt_ent->plt.offset & ~1;
+ if (targ >= (bfd_vma) -2)
+ abort ();
+
+ plt = htab->elf.splt;
+ if (!htab->elf.dynamic_sections_created
+ || stub_entry->h == NULL
+ || stub_entry->h->elf.dynindx == -1)
+ {
+ if (stub_entry->symtype == STT_GNU_IFUNC)
+ plt = htab->elf.iplt;
+ else
+ plt = htab->pltlocal;
}
+ targ += plt->output_offset + plt->output_section->vma;
+ }
+ else
+ targ = (stub_entry->target_value
+ + stub_entry->target_section->output_offset
+ + stub_entry->target_section->output_section->vma);
+ off = targ - off;
+
+ /* The notoc stubs calculate their target (either a PLT entry or
+ the global entry point of a function) relative to the PC
+ returned by the "bcl" two instructions past the start of the
+ sequence emitted by build_offset. The offset is therefore 8
+ less than calculated from the start of the sequence. */
+ off -= 8;
+ p = build_offset (htab->params->stub_bfd, p, off,
+ stub_entry->stub_type >= ppc_stub_plt_call_notoc);
+ if (stub_entry->stub_type <= ppc_stub_long_branch_both)
+ {
+ bfd_vma from;
+ from = (stub_entry->stub_offset
+ + stub_entry->group->stub_sec->output_offset
+ + stub_entry->group->stub_sec->output_section->vma
+ + (p - loc));
+ bfd_put_32 (htab->params->stub_bfd,
+ B_DOT | ((targ - from) & 0x3fffffc), p);
+ }
+ else
+ {
+ bfd_put_32 (htab->params->stub_bfd, MTCTR_R12, p);
+ p += 4;
+ bfd_put_32 (htab->params->stub_bfd, BCTR, p);
+ }
+ p += 4;
+
+ if (htab->glink_eh_frame != NULL
+ && htab->glink_eh_frame->size != 0)
+ {
+ bfd_byte *base, *eh;
+ unsigned int lr_used, delta;
+
+ base = (htab->glink_eh_frame->contents
+ + stub_entry->group->eh_base + 17);
+ eh = base + stub_entry->group->eh_size;
+ lr_used = stub_entry->stub_offset + 8;
+ if (stub_entry->stub_type == ppc_stub_long_branch_both
+ || stub_entry->stub_type == ppc_stub_plt_branch_both
+ || stub_entry->stub_type == ppc_stub_plt_call_both)
+ lr_used += 4;
+ delta = lr_used - stub_entry->group->lr_restore;
+ stub_entry->group->lr_restore = lr_used + 8;
+ eh = eh_advance (htab->elf.dynobj, eh, delta);
+ *eh++ = DW_CFA_register;
+ *eh++ = 65;
+ *eh++ = 12;
+ *eh++ = DW_CFA_advance_loc + 2;
+ *eh++ = DW_CFA_restore_extended;
+ *eh++ = 65;
+ stub_entry->group->eh_size = eh - base;
}
- loc += 4;
- bfd_put_32 (htab->params->stub_bfd, MTCTR_R12, loc);
- loc += 4;
- bfd_put_32 (htab->params->stub_bfd, BCTR, loc);
break;
case ppc_stub_plt_call:
}
/* Now build the stub. */
- dest = stub_entry->plt_ent->plt.offset & ~1;
- if (dest >= (bfd_vma) -2)
+ targ = stub_entry->plt_ent->plt.offset & ~1;
+ if (targ >= (bfd_vma) -2)
abort ();
plt = htab->elf.splt;
if (!htab->elf.dynamic_sections_created
|| stub_entry->h == NULL
|| stub_entry->h->elf.dynindx == -1)
- plt = htab->elf.iplt;
-
- dest += plt->output_offset + plt->output_section->vma;
-
- if (stub_entry->h == NULL
- && (stub_entry->plt_ent->plt.offset & 1) == 0)
{
- Elf_Internal_Rela rela;
- bfd_byte *rl;
-
- rela.r_offset = dest;
- if (htab->opd_abi)
- rela.r_info = ELF64_R_INFO (0, R_PPC64_JMP_IREL);
+ if (stub_entry->symtype == STT_GNU_IFUNC)
+ plt = htab->elf.iplt;
else
- rela.r_info = ELF64_R_INFO (0, R_PPC64_IRELATIVE);
- rela.r_addend = (stub_entry->target_value
- + stub_entry->target_section->output_offset
- + stub_entry->target_section->output_section->vma);
-
- rl = (htab->elf.irelplt->contents
- + (htab->elf.irelplt->reloc_count++
- * sizeof (Elf64_External_Rela)));
- bfd_elf64_swap_reloca_out (info->output_bfd, &rela, rl);
- stub_entry->plt_ent->plt.offset |= 1;
- htab->local_ifunc_resolver = 1;
+ plt = htab->pltlocal;
}
+ targ += plt->output_offset + plt->output_section->vma;
- off = (dest
- - elf_gp (plt->output_section->owner)
- - htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = (elf_gp (info->output_bfd)
+ + htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = targ - off;
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
{
info->callbacks->einfo
/* xgettext:c-format */
- (_("%P: linkage table error against `%T'\n"),
+ (_("%P: linkage table error against `%pT'\n"),
stub_entry->h != NULL
? stub_entry->h->elf.root.root.string
: "<local sym>");
return FALSE;
}
- if (htab->params->plt_stub_align != 0)
- {
- unsigned pad = plt_stub_pad (htab, stub_entry, off);
-
- stub_entry->group->stub_sec->size += pad;
- stub_entry->stub_offset = stub_entry->group->stub_sec->size;
- loc += pad;
- }
-
r = NULL;
if (info->emitrelocations)
{
r[0].r_offset = loc - stub_entry->group->stub_sec->contents;
if (bfd_big_endian (info->output_bfd))
r[0].r_offset += 2;
- r[0].r_addend = dest;
+ r[0].r_addend = targ;
}
if (stub_entry->h != NULL
&& (stub_entry->h == htab->tls_get_addr_fd
p = build_tls_get_addr_stub (htab, stub_entry, loc, off, r);
else
p = build_plt_stub (htab, stub_entry, loc, off, r);
- size = p - loc;
break;
case ppc_stub_save_res:
return FALSE;
}
- stub_entry->group->stub_sec->size += size;
+ stub_entry->group->stub_sec->size = stub_entry->stub_offset + (p - loc);
if (htab->params->emit_stub_syms)
{
size_t len1, len2;
char *name;
const char *const stub_str[] = { "long_branch",
- "long_branch_r2off",
+ "long_branch",
+ "long_branch",
+ "long_branch",
+ "plt_branch",
+ "plt_branch",
+ "plt_branch",
"plt_branch",
- "plt_branch_r2off",
+ "plt_call",
+ "plt_call",
"plt_call",
"plt_call" };
struct ppc_stub_hash_entry *stub_entry;
struct bfd_link_info *info;
struct ppc_link_hash_table *htab;
- bfd_vma off;
- int size;
+ asection *plt;
+ bfd_vma targ, off, r2off;
+ unsigned int size, extra, lr_used, delta;
/* Massage our args to the form they really have. */
stub_entry = (struct ppc_stub_hash_entry *) gen_entry;
if (htab == NULL)
return FALSE;
+ /* Make a note of the offset within the stubs for this entry. */
+ stub_entry->stub_offset = stub_entry->group->stub_sec->size;
+
if (stub_entry->h != NULL
&& stub_entry->h->save_res
&& stub_entry->h->elf.root.type == bfd_link_hash_defined
return TRUE;
}
- if (stub_entry->stub_type == ppc_stub_plt_call
- || stub_entry->stub_type == ppc_stub_plt_call_r2save)
- {
- asection *plt;
- off = stub_entry->plt_ent->plt.offset & ~(bfd_vma) 1;
- if (off >= (bfd_vma) -2)
- abort ();
- plt = htab->elf.splt;
- if (!htab->elf.dynamic_sections_created
- || stub_entry->h == NULL
- || stub_entry->h->elf.dynindx == -1)
- plt = htab->elf.iplt;
- off += (plt->output_offset
- + plt->output_section->vma
- - elf_gp (plt->output_section->owner)
- - htab->sec_info[stub_entry->group->link_sec->id].toc_off);
-
- size = plt_stub_size (htab, stub_entry, off);
- if (htab->params->plt_stub_align)
- size += plt_stub_pad (htab, stub_entry, off);
- if (info->emitrelocations)
- {
- stub_entry->group->stub_sec->reloc_count
- += ((PPC_HA (off) != 0)
- + (htab->opd_abi
- ? 2 + (htab->params->plt_static_chain
- && PPC_HA (off + 16) == PPC_HA (off))
- : 1));
- stub_entry->group->stub_sec->flags |= SEC_RELOC;
- }
- }
- else
+ switch (stub_entry->stub_type)
{
- /* ppc_stub_long_branch or ppc_stub_plt_branch, or their r2off
- variants. */
- bfd_vma r2off = 0;
- bfd_vma local_off = 0;
-
- off = (stub_entry->target_value
- + stub_entry->target_section->output_offset
- + stub_entry->target_section->output_section->vma);
- off -= (stub_entry->group->stub_sec->size
- + stub_entry->group->stub_sec->output_offset
- + stub_entry->group->stub_sec->output_section->vma);
-
- /* Reset the stub type from the plt variant in case we now
+ case ppc_stub_plt_branch:
+ case ppc_stub_plt_branch_r2off:
+ /* Reset the stub type from the plt branch variant in case we now
can reach with a shorter stub. */
- if (stub_entry->stub_type >= ppc_stub_plt_branch)
- stub_entry->stub_type += ppc_stub_long_branch - ppc_stub_plt_branch;
+ stub_entry->stub_type += ppc_stub_long_branch - ppc_stub_plt_branch;
+ /* Fall through. */
+ case ppc_stub_long_branch:
+ case ppc_stub_long_branch_r2off:
+ targ = (stub_entry->target_value
+ + stub_entry->target_section->output_offset
+ + stub_entry->target_section->output_section->vma);
+ targ += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
+ off = (stub_entry->stub_offset
+ + stub_entry->group->stub_sec->output_offset
+ + stub_entry->group->stub_sec->output_section->vma);
size = 4;
+ r2off = 0;
if (stub_entry->stub_type == ppc_stub_long_branch_r2off)
{
r2off = get_r2off (info, stub_entry);
size += 4;
if (PPC_LO (r2off) != 0)
size += 4;
- off -= size - 4;
+ off += size - 4;
}
+ off = targ - off;
- local_off = PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
-
- /* If the branch offset if too big, use a ppc_stub_plt_branch.
+ /* If the branch offset is too big, use a ppc_stub_plt_branch.
Do the same for -R objects without function descriptors. */
- if (off + (1 << 25) >= (bfd_vma) (1 << 26) - local_off
- || (stub_entry->stub_type == ppc_stub_long_branch_r2off
- && r2off == 0
- && htab->sec_info[stub_entry->target_section->id].toc_off == 0))
+ if ((stub_entry->stub_type == ppc_stub_long_branch_r2off
+ && r2off == 0
+ && htab->sec_info[stub_entry->target_section->id].toc_off == 0)
+ || off + (1 << 25) >= (bfd_vma) (1 << 26))
{
struct ppc_branch_hash_entry *br_entry;
TRUE, FALSE);
if (br_entry == NULL)
{
- info->callbacks->einfo (_("%P: can't build branch stub `%s'\n"),
- stub_entry->root.string);
+ _bfd_error_handler (_("can't build branch stub `%s'"),
+ stub_entry->root.string);
htab->stub_error = TRUE;
return FALSE;
}
}
}
- stub_entry->stub_type += ppc_stub_plt_branch - ppc_stub_long_branch;
- off = (br_entry->offset
- + htab->brlt->output_offset
- + htab->brlt->output_section->vma
- - elf_gp (htab->brlt->output_section->owner)
- - htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ targ = (br_entry->offset
+ + htab->brlt->output_offset
+ + htab->brlt->output_section->vma);
+ off = (elf_gp (info->output_bfd)
+ + htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = targ - off;
if (info->emitrelocations)
{
stub_entry->group->stub_sec->flags |= SEC_RELOC;
}
+ stub_entry->stub_type += ppc_stub_plt_branch - ppc_stub_long_branch;
if (stub_entry->stub_type != ppc_stub_plt_branch_r2off)
{
size = 12;
stub_entry->group->stub_sec->reloc_count += 1;
stub_entry->group->stub_sec->flags |= SEC_RELOC;
}
- }
+ break;
- stub_entry->group->stub_sec->size += size;
- return TRUE;
-}
+ case ppc_stub_plt_branch_notoc:
+ case ppc_stub_plt_branch_both:
+ stub_entry->stub_type += ppc_stub_long_branch - ppc_stub_plt_branch;
+ /* Fall through. */
+ case ppc_stub_long_branch_notoc:
+ case ppc_stub_long_branch_both:
+ off = (stub_entry->stub_offset
+ + stub_entry->group->stub_sec->output_offset
+ + stub_entry->group->stub_sec->output_section->vma);
+ size = 0;
+ if (stub_entry->stub_type == ppc_stub_long_branch_both)
+ size = 4;
+ off += size;
+ targ = (stub_entry->target_value
+ + stub_entry->target_section->output_offset
+ + stub_entry->target_section->output_section->vma);
+ off = targ - off;
+
+ extra = size_offset (off - 8);
+ /* Include branch insn plus those in the offset sequence. */
+ size += 4 + extra;
+ /* The branch insn is at the end, or "extra" bytes along. So
+ its offset will be "extra" bytes less that that already
+ calculated. */
+ off -= extra;
+
+ /* After the bcl, lr has been modified so we need to emit
+ .eh_frame info saying the return address is in r12. */
+ lr_used = stub_entry->stub_offset + 8;
+ if (stub_entry->stub_type == ppc_stub_long_branch_both)
+ lr_used += 4;
+ /* The eh_frame info will consist of a DW_CFA_advance_loc or
+ variant, DW_CFA_register, 65, 12, DW_CFA_advance_loc+2,
+ DW_CFA_restore_extended 65. */
+ delta = lr_used - stub_entry->group->lr_restore;
+ stub_entry->group->eh_size += eh_advance_size (delta) + 6;
+ stub_entry->group->lr_restore = lr_used + 8;
+
+ /* If the branch can't reach, use a plt_branch. */
+ if (off + (1 << 25) >= (bfd_vma) (1 << 26))
+ {
+ stub_entry->stub_type += (ppc_stub_plt_branch_notoc
+ - ppc_stub_long_branch_notoc);
+ size += 4;
+ }
+ break;
-/* Set up various things so that we can make a list of input sections
+ case ppc_stub_plt_call_notoc:
+ case ppc_stub_plt_call_both:
+ off = (stub_entry->stub_offset
+ + stub_entry->group->stub_sec->output_offset
+ + stub_entry->group->stub_sec->output_section->vma);
+ if (stub_entry->stub_type == ppc_stub_plt_call_both)
+ off += 4;
+ targ = stub_entry->plt_ent->plt.offset & ~1;
+ if (targ >= (bfd_vma) -2)
+ abort ();
+
+ plt = htab->elf.splt;
+ if (!htab->elf.dynamic_sections_created
+ || stub_entry->h == NULL
+ || stub_entry->h->elf.dynindx == -1)
+ {
+ if (stub_entry->symtype == STT_GNU_IFUNC)
+ plt = htab->elf.iplt;
+ else
+ plt = htab->pltlocal;
+ }
+ targ += plt->output_offset + plt->output_section->vma;
+ off = targ - off;
+
+ if (htab->params->plt_stub_align != 0)
+ {
+ unsigned pad = plt_stub_pad (htab, stub_entry, off);
+
+ stub_entry->group->stub_sec->size += pad;
+ stub_entry->stub_offset = stub_entry->group->stub_sec->size;
+ off -= pad;
+ }
+
+ size = plt_stub_size (htab, stub_entry, off);
+
+ /* After the bcl, lr has been modified so we need to emit
+ .eh_frame info saying the return address is in r12. */
+ lr_used = stub_entry->stub_offset + 8;
+ if (stub_entry->stub_type == ppc_stub_plt_call_both)
+ lr_used += 4;
+ /* The eh_frame info will consist of a DW_CFA_advance_loc or
+ variant, DW_CFA_register, 65, 12, DW_CFA_advance_loc+2,
+ DW_CFA_restore_extended 65. */
+ delta = lr_used - stub_entry->group->lr_restore;
+ stub_entry->group->eh_size += eh_advance_size (delta) + 6;
+ stub_entry->group->lr_restore = lr_used + 8;
+ break;
+
+ case ppc_stub_plt_call:
+ case ppc_stub_plt_call_r2save:
+ targ = stub_entry->plt_ent->plt.offset & ~(bfd_vma) 1;
+ if (targ >= (bfd_vma) -2)
+ abort ();
+ plt = htab->elf.splt;
+ if (!htab->elf.dynamic_sections_created
+ || stub_entry->h == NULL
+ || stub_entry->h->elf.dynindx == -1)
+ {
+ if (stub_entry->symtype == STT_GNU_IFUNC)
+ plt = htab->elf.iplt;
+ else
+ plt = htab->pltlocal;
+ }
+ targ += plt->output_offset + plt->output_section->vma;
+
+ off = (elf_gp (info->output_bfd)
+ + htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = targ - off;
+
+ if (htab->params->plt_stub_align != 0)
+ {
+ unsigned pad = plt_stub_pad (htab, stub_entry, off);
+
+ stub_entry->group->stub_sec->size += pad;
+ stub_entry->stub_offset = stub_entry->group->stub_sec->size;
+ }
+
+ if (info->emitrelocations)
+ {
+ stub_entry->group->stub_sec->reloc_count
+ += ((PPC_HA (off) != 0)
+ + (htab->opd_abi
+ ? 2 + (htab->params->plt_static_chain
+ && PPC_HA (off + 16) == PPC_HA (off))
+ : 1));
+ stub_entry->group->stub_sec->flags |= SEC_RELOC;
+ }
+
+ size = plt_stub_size (htab, stub_entry, off);
+
+ if (stub_entry->h != NULL
+ && (stub_entry->h == htab->tls_get_addr_fd
+ || stub_entry->h == htab->tls_get_addr)
+ && htab->params->tls_get_addr_opt
+ && stub_entry->stub_type == ppc_stub_plt_call_r2save)
+ {
+ /* After the bctrl, lr has been modified so we need to
+ emit .eh_frame info saying the return address is
+ on the stack. In fact we put the EH info specifying
+ that the return address is on the stack *at* the
+ call rather than after it, because the EH info for a
+ call needs to be specified by that point.
+ See libgcc/unwind-dw2.c execute_cfa_program. */
+ lr_used = stub_entry->stub_offset + size - 20;
+ /* The eh_frame info will consist of a DW_CFA_advance_loc
+ or variant, DW_CFA_offset_externed_sf, 65, -stackoff,
+ DW_CFA_advance_loc+4, DW_CFA_restore_extended, 65. */
+ delta = lr_used - stub_entry->group->lr_restore;
+ stub_entry->group->eh_size += eh_advance_size (delta) + 6;
+ stub_entry->group->lr_restore = size - 4;
+ }
+ break;
+
+ default:
+ BFD_FAIL ();
+ return FALSE;
+ }
+
+ stub_entry->group->stub_sec->size += size;
+ return TRUE;
+}
+
+/* Set up various things so that we can make a list of input sections
for each output section included in the link. Returns -1 on error,
0 when no stubs will be needed, and 1 on success. */
if (htab == NULL)
return -1;
- htab->sec_info_arr_size = bfd_get_next_section_id ();
+ htab->sec_info_arr_size = _bfd_section_id;
amt = sizeof (*htab->sec_info) * (htab->sec_info_arr_size);
htab->sec_info = bfd_zmalloc (amt);
if (htab->sec_info == NULL)
output toc base plus 0x8000. Making the input elf_gp an
offset allows us to move the toc as a whole without
recalculating input elf_gp. */
- off = htab->toc_curr - elf_gp (isec->output_section->owner);
+ off = htab->toc_curr - elf_gp (info->output_bfd);
off += TOC_BASE_OFF;
/* Die if someone uses a linker script that doesn't keep input
}
addr = (htab->toc_first_sec->output_offset
+ htab->toc_first_sec->output_section->vma);
- off = addr - elf_gp (isec->output_section->owner) + TOC_BASE_OFF;
+ off = addr - elf_gp (info->output_bfd) + TOC_BASE_OFF;
elf_gp (isec->owner) = off;
return TRUE;
rel_size *= 2;
}
s->size += ent_size;
- if ((*lgot_masks & PLT_IFUNC) != 0)
+ if ((*lgot_masks & (TLS_TLS | PLT_IFUNC)) == PLT_IFUNC)
{
htab->elf.irelplt->size += rel_size;
htab->got_reli_size += rel_size;
}
- else if (bfd_link_pic (info))
+ else if (bfd_link_pic (info)
+ && !((ent->tls_type & TLS_TPREL) != 0
+ && bfd_link_executable (info)))
{
asection *srel = ppc64_elf_tdata (ibfd)->relgot;
srel->size += rel_size;
r_type = ELF64_R_TYPE (rel->r_info);
if (r_type != R_PPC64_REL24
+ && r_type != R_PPC64_REL24_NOTOC
&& r_type != R_PPC64_REL14
&& r_type != R_PPC64_REL14_BRTAKEN
- && r_type != R_PPC64_REL14_BRNTAKEN)
+ && r_type != R_PPC64_REL14_BRNTAKEN
+ && r_type != R_PPC64_PLTCALL)
continue;
r_symndx = ELF64_R_SYM (rel->r_info);
big_sec = total > group_size;
if (big_sec && !suppress_size_errors)
/* xgettext:c-format */
- _bfd_error_handler (_("%B section %A exceeds stub group size"),
+ _bfd_error_handler (_("%pB section %pA exceeds stub group size"),
tail->owner, tail);
curr_toc = htab->sec_info[tail->id].toc_off;
group->link_sec = curr;
group->stub_sec = NULL;
group->needs_save_res = 0;
+ group->lr_restore = 0;
+ group->eh_size = 0;
+ group->eh_base = 0;
group->next = htab->group;
htab->group = group;
do
&& ((total += tail->output_offset - prev->output_offset)
< (ppc64_elf_section_data (prev) != NULL
&& ppc64_elf_section_data (prev)->has_14bit_branch
- ? (group_size = stub_group_size >> 10) : group_size))
+ ? (group_size = stub_group_size >> 10)
+ : group_size))
&& htab->sec_info[prev->id].toc_off == curr_toc)
{
tail = prev;
bfd *input_bfd;
unsigned int bfd_indx;
struct map_stub *group;
- asection *stub_sec;
htab->stub_iteration += 1;
/* Only look for stubs on branch instructions. */
if (r_type != R_PPC64_REL24
+ && r_type != R_PPC64_REL24_NOTOC
&& r_type != R_PPC64_REL14
&& r_type != R_PPC64_REL14_BRTAKEN
&& r_type != R_PPC64_REL14_BRNTAKEN)
&plt_ent, destination,
local_off);
- if (stub_type != ppc_stub_plt_call)
+ if (r_type == R_PPC64_REL24_NOTOC)
+ {
+ if (stub_type == ppc_stub_plt_call)
+ stub_type = ppc_stub_plt_call_notoc;
+ else if (stub_type == ppc_stub_long_branch
+ || (code_sec != NULL
+ && code_sec->output_section != NULL
+ && (((hash ? hash->elf.other : sym->st_other)
+ & STO_PPC64_LOCAL_MASK)
+ != 1 << STO_PPC64_LOCAL_BIT)))
+ stub_type = ppc_stub_long_branch_notoc;
+ }
+ else if (stub_type != ppc_stub_plt_call)
{
/* Check whether we need a TOC adjusting stub.
Since the linker pastes together pieces from
_init and _fini functions, it may be that a
call to what looks like a local sym is in
fact a call needing a TOC adjustment. */
- if (code_sec != NULL
- && code_sec->output_section != NULL
- && (htab->sec_info[code_sec->id].toc_off
- != htab->sec_info[section->id].toc_off)
- && (code_sec->has_toc_reloc
- || code_sec->makes_toc_func_call))
+ if ((code_sec != NULL
+ && code_sec->output_section != NULL
+ && (htab->sec_info[code_sec->id].toc_off
+ != htab->sec_info[section->id].toc_off)
+ && (code_sec->has_toc_reloc
+ || code_sec->makes_toc_func_call))
+ || (((hash ? hash->elf.other : sym->st_other)
+ & STO_PPC64_LOCAL_MASK)
+ == 1 << STO_PPC64_LOCAL_BIT))
stub_type = ppc_stub_long_branch_r2off;
}
/* __tls_get_addr calls might be eliminated. */
if (stub_type != ppc_stub_plt_call
+ && stub_type != ppc_stub_plt_call_notoc
&& hash != NULL
&& (hash == htab->tls_get_addr
|| hash == htab->tls_get_addr_fd)
if (!get_tls_mask (&tls_mask, NULL, NULL, &local_syms,
irela - 1, input_bfd))
goto error_ret_free_internal;
- if (*tls_mask != 0)
+ if ((*tls_mask & TLS_TLS) != 0)
continue;
}
- if (stub_type == ppc_stub_plt_call
- && irela + 1 < irelaend
- && irela[1].r_offset == irela->r_offset + 4
- && ELF64_R_TYPE (irela[1].r_info) == R_PPC64_TOCSAVE)
+ if (stub_type == ppc_stub_plt_call)
{
- if (!tocsave_find (htab, INSERT,
- &local_syms, irela + 1, input_bfd))
- goto error_ret_free_internal;
+ if (!htab->opd_abi
+ && htab->params->plt_localentry0 != 0
+ && is_elfv2_localentry0 (&hash->elf))
+ htab->has_plt_localentry0 = 1;
+ else if (irela + 1 < irelaend
+ && irela[1].r_offset == irela->r_offset + 4
+ && (ELF64_R_TYPE (irela[1].r_info)
+ == R_PPC64_TOCSAVE))
+ {
+ if (!tocsave_find (htab, INSERT,
+ &local_syms, irela + 1, input_bfd))
+ goto error_ret_free_internal;
+ }
+ else
+ stub_type = ppc_stub_plt_call_r2save;
}
- else if (stub_type == ppc_stub_plt_call)
- stub_type = ppc_stub_plt_call_r2save;
/* Support for grouping stub sections. */
id_sec = htab->sec_info[section->id].u.group->link_sec;
stub_name, FALSE, FALSE);
if (stub_entry != NULL)
{
- /* The proper stub has already been created. */
+ enum ppc_stub_type old_type;
+ /* A stub has already been created, but it may
+ not be the required type. We shouldn't be
+ transitioning from plt_call to long_branch
+ stubs or vice versa, but we might be
+ upgrading from plt_call to plt_call_r2save or
+ from long_branch to long_branch_r2off. */
free (stub_name);
- if (stub_type == ppc_stub_plt_call_r2save)
+ old_type = stub_entry->stub_type;
+ switch (old_type)
+ {
+ default:
+ abort ();
+
+ case ppc_stub_save_res:
+ continue;
+
+ case ppc_stub_plt_call:
+ case ppc_stub_plt_call_r2save:
+ case ppc_stub_plt_call_notoc:
+ case ppc_stub_plt_call_both:
+ if (stub_type == ppc_stub_plt_call)
+ continue;
+ else if (stub_type == ppc_stub_plt_call_r2save)
+ {
+ if (old_type == ppc_stub_plt_call_notoc)
+ stub_type = ppc_stub_plt_call_both;
+ }
+ else if (stub_type == ppc_stub_plt_call_notoc)
+ {
+ if (old_type == ppc_stub_plt_call_r2save)
+ stub_type = ppc_stub_plt_call_both;
+ }
+ else
+ abort ();
+ break;
+
+ case ppc_stub_plt_branch:
+ case ppc_stub_plt_branch_r2off:
+ case ppc_stub_plt_branch_notoc:
+ case ppc_stub_plt_branch_both:
+ old_type += (ppc_stub_long_branch
+ - ppc_stub_plt_branch);
+ /* Fall through. */
+ case ppc_stub_long_branch:
+ case ppc_stub_long_branch_r2off:
+ case ppc_stub_long_branch_notoc:
+ case ppc_stub_long_branch_both:
+ if (stub_type == ppc_stub_long_branch)
+ continue;
+ else if (stub_type == ppc_stub_long_branch_r2off)
+ {
+ if (old_type == ppc_stub_long_branch_notoc)
+ stub_type = ppc_stub_long_branch_both;
+ }
+ else if (stub_type == ppc_stub_long_branch_notoc)
+ {
+ if (old_type == ppc_stub_long_branch_r2off)
+ stub_type = ppc_stub_long_branch_both;
+ }
+ else
+ abort ();
+ break;
+ }
+ if (old_type < stub_type)
stub_entry->stub_type = stub_type;
continue;
}
}
stub_entry->stub_type = stub_type;
- if (stub_type != ppc_stub_plt_call
- && stub_type != ppc_stub_plt_call_r2save)
+ if (stub_type >= ppc_stub_plt_call
+ && stub_type <= ppc_stub_plt_call_both)
{
- stub_entry->target_value = code_value;
- stub_entry->target_section = code_sec;
+ stub_entry->target_value = sym_value;
+ stub_entry->target_section = sym_sec;
}
else
{
- stub_entry->target_value = sym_value;
- stub_entry->target_section = sym_sec;
+ stub_entry->target_value = code_value;
+ stub_entry->target_section = code_sec;
}
stub_entry->h = hash;
stub_entry->plt_ent = plt_ent;
+ stub_entry->symtype
+ = hash ? hash->elf.type : ELF_ST_TYPE (sym->st_info);
stub_entry->other = hash ? hash->elf.other : sym->st_other;
if (stub_entry->h != NULL)
/* We may have added some stubs. Find out the new size of the
stub sections. */
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
- {
- if (htab->stub_iteration <= STUB_SHRINK_ITER
- || stub_sec->rawsize < stub_sec->size)
- /* Past STUB_SHRINK_ITER, rawsize is the max size seen. */
- stub_sec->rawsize = stub_sec->size;
- stub_sec->size = 0;
- stub_sec->reloc_count = 0;
- stub_sec->flags &= ~SEC_RELOC;
- }
+ for (group = htab->group; group != NULL; group = group->next)
+ {
+ group->lr_restore = 0;
+ group->eh_size = 0;
+ if (group->stub_sec != NULL)
+ {
+ asection *stub_sec = group->stub_sec;
+
+ if (htab->stub_iteration <= STUB_SHRINK_ITER
+ || stub_sec->rawsize < stub_sec->size)
+ /* Past STUB_SHRINK_ITER, rawsize is the max size seen. */
+ stub_sec->rawsize = stub_sec->size;
+ stub_sec->size = 0;
+ stub_sec->reloc_count = 0;
+ stub_sec->flags &= ~SEC_RELOC;
+ }
+ }
+ if (htab->stub_iteration <= STUB_SHRINK_ITER
+ || htab->brlt->rawsize < htab->brlt->size)
+ htab->brlt->rawsize = htab->brlt->size;
htab->brlt->size = 0;
htab->brlt->reloc_count = 0;
htab->brlt->flags &= ~SEC_RELOC;
if (htab->glink_eh_frame != NULL
&& !bfd_is_abs_section (htab->glink_eh_frame->output_section)
- && htab->glink_eh_frame->output_section->size != 0)
+ && htab->glink_eh_frame->output_section->size > 8)
{
size_t size = 0, align = 4;
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
- size += (17 + align - 1) & -align;
+ for (group = htab->group; group != NULL; group = group->next)
+ if (group->eh_size != 0)
+ size += (group->eh_size + 17 + align - 1) & -align;
if (htab->glink != NULL && htab->glink->size != 0)
size += (24 + align - 1) & -align;
if (size != 0)
}
if (htab->params->plt_stub_align != 0)
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
- stub_sec->size = ((stub_sec->size
- + (1 << htab->params->plt_stub_align) - 1)
- & -(1 << htab->params->plt_stub_align));
-
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
- && stub_sec->rawsize != stub_sec->size
+ for (group = htab->group; group != NULL; group = group->next)
+ if (group->stub_sec != NULL)
+ {
+ int align = abs (htab->params->plt_stub_align);
+ group->stub_sec->size
+ = (group->stub_sec->size + (1 << align) - 1) & -(1 << align);
+ }
+
+ for (group = htab->group; group != NULL; group = group->next)
+ if (group->stub_sec != NULL
+ && group->stub_sec->rawsize != group->stub_sec->size
&& (htab->stub_iteration <= STUB_SHRINK_ITER
- || stub_sec->rawsize < stub_sec->size))
+ || group->stub_sec->rawsize < group->stub_sec->size))
break;
- if (stub_sec == NULL
+ if (group == NULL
+ && (htab->brlt->rawsize == htab->brlt->size
+ || (htab->stub_iteration > STUB_SHRINK_ITER
+ && htab->brlt->rawsize > htab->brlt->size))
&& (htab->glink_eh_frame == NULL
|| htab->glink_eh_frame->rawsize == htab->glink_eh_frame->size))
break;
bfd_vma val;
bfd_byte *p, *last_fde;
size_t last_fde_len, size, align, pad;
- asection *stub_sec;
+ struct map_stub *group;
+ /* It is necessary to at least have a rough outline of the
+ linker generated CIEs and FDEs written before
+ bfd_elf_discard_info is run, in order for these FDEs to be
+ indexed in .eh_frame_hdr. */
p = bfd_zalloc (htab->glink_eh_frame->owner, htab->glink_eh_frame->size);
if (p == NULL)
return FALSE;
bfd_put_32 (htab->elf.dynobj, last_fde_len, p);
p += last_fde_len + 4;
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
+ for (group = htab->group; group != NULL; group = group->next)
+ if (group->eh_size != 0)
{
+ group->eh_base = p - htab->glink_eh_frame->contents;
last_fde = p;
- last_fde_len = ((17 + align - 1) & -align) - 4;
+ last_fde_len = ((group->eh_size + 17 + align - 1) & -align) - 4;
/* FDE length. */
bfd_put_32 (htab->elf.dynobj, last_fde_len, p);
p += 4;
/* Offset to stub section, written later. */
p += 4;
/* stub section size. */
- bfd_put_32 (htab->elf.dynobj, stub_sec->size, p);
+ bfd_put_32 (htab->elf.dynobj, group->stub_sec->size, p);
p += 4;
/* Augmentation. */
p += 1;
- /* Pad. */
- p += ((17 + align - 1) & -align) - 17;
+ /* Make sure we don't have all nops. This is enough for
+ elf-eh-frame.c to detect the last non-nop opcode. */
+ p[group->eh_size - 1] = DW_CFA_advance_loc + 1;
+ p = last_fde + last_fde_len + 4;
}
if (htab->glink != NULL && htab->glink->size != 0)
{
*p++ = DW_CFA_register;
*p++ = 65;
*p++ = htab->opd_abi ? 12 : 0;
- *p++ = DW_CFA_advance_loc + 4;
+ *p++ = DW_CFA_advance_loc + (htab->opd_abi ? 5 : 7);
*p++ = DW_CFA_restore_extended;
*p++ = 65;
p += ((24 + align - 1) & -align) - 24;
}
/* Called via elf_link_hash_traverse from ppc64_elf_build_stubs to
- write out any global entry stubs. */
+ write out any global entry stubs, and PLT relocations. */
static bfd_boolean
-build_global_entry_stubs (struct elf_link_hash_entry *h, void *inf)
+build_global_entry_stubs_and_plt (struct elf_link_hash_entry *h, void *inf)
{
struct bfd_link_info *info;
struct ppc_link_hash_table *htab;
- struct plt_entry *pent;
+ struct plt_entry *ent;
asection *s;
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
+ info = inf;
+ htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ for (ent = h->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->plt.offset != (bfd_vma) -1)
+ {
+ /* This symbol has an entry in the procedure linkage
+ table. Set it up. */
+ Elf_Internal_Rela rela;
+ asection *plt, *relplt;
+ bfd_byte *loc;
+
+ if (!htab->elf.dynamic_sections_created
+ || h->dynindx == -1)
+ {
+ if (!(h->def_regular
+ && (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)))
+ continue;
+ if (h->type == STT_GNU_IFUNC)
+ {
+ plt = htab->elf.iplt;
+ relplt = htab->elf.irelplt;
+ htab->local_ifunc_resolver = 1;
+ if (htab->opd_abi)
+ rela.r_info = ELF64_R_INFO (0, R_PPC64_JMP_IREL);
+ else
+ rela.r_info = ELF64_R_INFO (0, R_PPC64_IRELATIVE);
+ }
+ else
+ {
+ plt = htab->pltlocal;
+ if (bfd_link_pic (info))
+ {
+ relplt = htab->relpltlocal;
+ if (htab->opd_abi)
+ rela.r_info = ELF64_R_INFO (0, R_PPC64_JMP_SLOT);
+ else
+ rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
+ }
+ else
+ relplt = NULL;
+ }
+ rela.r_addend = (h->root.u.def.value
+ + h->root.u.def.section->output_offset
+ + h->root.u.def.section->output_section->vma
+ + ent->addend);
+
+ if (relplt == NULL)
+ {
+ loc = plt->contents + ent->plt.offset;
+ bfd_put_64 (info->output_bfd, rela.r_addend, loc);
+ if (htab->opd_abi)
+ {
+ bfd_vma toc = elf_gp (info->output_bfd);
+ toc += htab->sec_info[h->root.u.def.section->id].toc_off;
+ bfd_put_64 (info->output_bfd, toc, loc + 8);
+ }
+ }
+ else
+ {
+ rela.r_offset = (plt->output_section->vma
+ + plt->output_offset
+ + ent->plt.offset);
+ loc = relplt->contents + (relplt->reloc_count++
+ * sizeof (Elf64_External_Rela));
+ bfd_elf64_swap_reloca_out (info->output_bfd, &rela, loc);
+ }
+ }
+ else
+ {
+ rela.r_offset = (htab->elf.splt->output_section->vma
+ + htab->elf.splt->output_offset
+ + ent->plt.offset);
+ rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_JMP_SLOT);
+ rela.r_addend = ent->addend;
+ loc = (htab->elf.srelplt->contents
+ + ((ent->plt.offset - PLT_INITIAL_ENTRY_SIZE (htab))
+ / PLT_ENTRY_SIZE (htab) * sizeof (Elf64_External_Rela)));
+ if (h->type == STT_GNU_IFUNC && is_static_defined (h))
+ htab->maybe_local_ifunc_resolver = 1;
+ bfd_elf64_swap_reloca_out (info->output_bfd, &rela, loc);
+ }
+ }
+
if (!h->pointer_equality_needed)
return TRUE;
if (h->def_regular)
return TRUE;
- info = inf;
- htab = ppc_hash_table (info);
- if (htab == NULL)
- return FALSE;
+ s = htab->global_entry;
+ if (s == NULL || s->size == 0)
+ return TRUE;
- s = htab->glink;
- for (pent = h->plt.plist; pent != NULL; pent = pent->next)
- if (pent->plt.offset != (bfd_vma) -1
- && pent->addend == 0)
+ for (ent = h->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->plt.offset != (bfd_vma) -1
+ && ent->addend == 0)
{
bfd_byte *p;
asection *plt;
plt = htab->elf.splt;
if (!htab->elf.dynamic_sections_created
|| h->dynindx == -1)
- plt = htab->elf.iplt;
- off = pent->plt.offset + plt->output_offset + plt->output_section->vma;
+ {
+ if (h->type == STT_GNU_IFUNC)
+ plt = htab->elf.iplt;
+ else
+ plt = htab->pltlocal;
+ }
+ off = ent->plt.offset + plt->output_offset + plt->output_section->vma;
off -= h->root.u.def.value + s->output_offset + s->output_section->vma;
if (off + 0x80008000 > 0xffffffff || (off & 3) != 0)
{
info->callbacks->einfo
- (_("%P: linkage table error against `%T'\n"),
+ (_("%P: linkage table error against `%pT'\n"),
h->root.root.string);
bfd_set_error (bfd_error_bad_value);
htab->stub_error = TRUE;
return TRUE;
}
+/* Write PLT relocs for locals. */
+
+static bfd_boolean
+write_plt_relocs_for_local_syms (struct bfd_link_info *info)
+{
+ struct ppc_link_hash_table *htab = ppc_hash_table (info);
+ bfd *ibfd;
+
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
+ {
+ struct got_entry **lgot_ents, **end_lgot_ents;
+ struct plt_entry **local_plt, **lplt, **end_local_plt;
+ Elf_Internal_Shdr *symtab_hdr;
+ bfd_size_type locsymcount;
+ Elf_Internal_Sym *local_syms = NULL;
+ struct plt_entry *ent;
+
+ if (!is_ppc64_elf (ibfd))
+ continue;
+
+ lgot_ents = elf_local_got_ents (ibfd);
+ if (!lgot_ents)
+ continue;
+
+ symtab_hdr = &elf_symtab_hdr (ibfd);
+ locsymcount = symtab_hdr->sh_info;
+ end_lgot_ents = lgot_ents + locsymcount;
+ local_plt = (struct plt_entry **) end_lgot_ents;
+ end_local_plt = local_plt + locsymcount;
+ for (lplt = local_plt; lplt < end_local_plt; ++lplt)
+ for (ent = *lplt; ent != NULL; ent = ent->next)
+ if (ent->plt.offset != (bfd_vma) -1)
+ {
+ Elf_Internal_Sym *sym;
+ asection *sym_sec;
+ asection *plt, *relplt;
+ bfd_byte *loc;
+ bfd_vma val;
+
+ if (!get_sym_h (NULL, &sym, &sym_sec, NULL, &local_syms,
+ lplt - local_plt, ibfd))
+ {
+ if (local_syms != NULL
+ && symtab_hdr->contents != (unsigned char *) local_syms)
+ free (local_syms);
+ return FALSE;
+ }
+
+ val = sym->st_value + ent->addend;
+ val += PPC64_LOCAL_ENTRY_OFFSET (sym->st_other);
+ if (sym_sec != NULL && sym_sec->output_section != NULL)
+ val += sym_sec->output_offset + sym_sec->output_section->vma;
+
+ if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
+ {
+ htab->local_ifunc_resolver = 1;
+ plt = htab->elf.iplt;
+ relplt = htab->elf.irelplt;
+ }
+ else
+ {
+ plt = htab->pltlocal;
+ relplt = bfd_link_pic (info) ? htab->relpltlocal : NULL;
+ }
+
+ if (relplt == NULL)
+ {
+ loc = plt->contents + ent->plt.offset;
+ bfd_put_64 (info->output_bfd, val, loc);
+ if (htab->opd_abi)
+ {
+ bfd_vma toc = elf_gp (ibfd);
+ bfd_put_64 (info->output_bfd, toc, loc + 8);
+ }
+ }
+ else
+ {
+ Elf_Internal_Rela rela;
+ rela.r_offset = (ent->plt.offset
+ + plt->output_offset
+ + plt->output_section->vma);
+ if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
+ {
+ if (htab->opd_abi)
+ rela.r_info = ELF64_R_INFO (0, R_PPC64_JMP_IREL);
+ else
+ rela.r_info = ELF64_R_INFO (0, R_PPC64_IRELATIVE);
+ }
+ else
+ {
+ if (htab->opd_abi)
+ rela.r_info = ELF64_R_INFO (0, R_PPC64_JMP_SLOT);
+ else
+ rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
+ }
+ rela.r_addend = val;
+ loc = relplt->contents + (relplt->reloc_count++
+ * sizeof (Elf64_External_Rela));
+ bfd_elf64_swap_reloca_out (info->output_bfd, &rela, loc);
+ }
+ }
+
+ if (local_syms != NULL
+ && symtab_hdr->contents != (unsigned char *) local_syms)
+ {
+ if (!info->keep_memory)
+ free (local_syms);
+ else
+ symtab_hdr->contents = (unsigned char *) local_syms;
+ }
+ }
+ return TRUE;
+}
+
/* Build all the stubs associated with the current output file.
The stubs are kept in a hash table attached to the main linker
hash table. This function is called via gldelf64ppc_finish. */
if (htab == NULL)
return FALSE;
- /* Allocate memory to hold the linker stubs. */
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
- && stub_sec->size != 0)
- {
- stub_sec->contents = bfd_zalloc (htab->params->stub_bfd, stub_sec->size);
- if (stub_sec->contents == NULL)
- return FALSE;
- stub_sec->size = 0;
- }
+ /* Allocate memory to hold the linker stubs. */
+ for (group = htab->group; group != NULL; group = group->next)
+ {
+ group->eh_size = 0;
+ group->lr_restore = 0;
+ if ((stub_sec = group->stub_sec) != NULL
+ && stub_sec->size != 0)
+ {
+ stub_sec->contents = bfd_zalloc (htab->params->stub_bfd,
+ stub_sec->size);
+ if (stub_sec->contents == NULL)
+ return FALSE;
+ stub_sec->size = 0;
+ }
+ }
if (htab->glink != NULL && htab->glink->size != 0)
{
p += 4;
bfd_put_32 (htab->glink->owner, MFLR_R11, p);
p += 4;
+ bfd_put_32 (htab->glink->owner, STD_R2_0R1 + 24, p);
+ p += 4;
bfd_put_32 (htab->glink->owner, LD_R2_0R11 | (-16 & 0xfffc), p);
p += 4;
bfd_put_32 (htab->glink->owner, MTLR_R0, p);
}
bfd_put_32 (htab->glink->owner, BCTR, p);
p += 4;
- while (p - htab->glink->contents < GLINK_CALL_STUB_SIZE)
- {
- bfd_put_32 (htab->glink->owner, NOP, p);
- p += 4;
- }
+ BFD_ASSERT (p == htab->glink->contents + GLINK_PLTRESOLVE_SIZE (htab));
/* Build the .glink lazy link call stubs. */
indx = 0;
- while (p < htab->glink->contents + htab->glink->rawsize)
+ while (p < htab->glink->contents + htab->glink->size)
{
if (htab->opd_abi)
{
indx++;
p += 4;
}
-
- /* Build .glink global entry stubs. */
- if (htab->glink->size > htab->glink->rawsize)
- elf_link_hash_traverse (&htab->elf, build_global_entry_stubs, info);
}
+ /* Build .glink global entry stubs, and PLT relocs for globals. */
+ elf_link_hash_traverse (&htab->elf, build_global_entry_stubs_and_plt, info);
+
+ if (!write_plt_relocs_for_local_syms (info))
+ return FALSE;
+
if (htab->brlt != NULL && htab->brlt->size != 0)
{
htab->brlt->contents = bfd_zalloc (htab->brlt->owner,
/* Build the stubs as directed by the stub hash table. */
bfd_hash_traverse (&htab->stub_hash_table, ppc_build_one_stub, info);
+ for (group = htab->group; group != NULL; group = group->next)
+ if (group->needs_save_res)
+ group->stub_sec->size += htab->sfpr->size;
+
+ if (htab->relbrlt != NULL)
+ htab->relbrlt->reloc_count = 0;
+
+ if (htab->params->plt_stub_align != 0)
+ for (group = htab->group; group != NULL; group = group->next)
+ if ((stub_sec = group->stub_sec) != NULL)
+ {
+ int align = abs (htab->params->plt_stub_align);
+ stub_sec->size = (stub_sec->size + (1 << align) - 1) & -(1 << align);
+ }
+
for (group = htab->group; group != NULL; group = group->next)
if (group->needs_save_res)
{
stub_sec = group->stub_sec;
- memcpy (stub_sec->contents + stub_sec->size, htab->sfpr->contents,
- htab->sfpr->size);
+ memcpy (stub_sec->contents + stub_sec->size - htab->sfpr->size,
+ htab->sfpr->contents, htab->sfpr->size);
if (htab->params->emit_stub_syms)
{
unsigned int i;
if (!sfpr_define (info, &save_res_funcs[i], stub_sec))
return FALSE;
}
- stub_sec->size += htab->sfpr->size;
}
- if (htab->relbrlt != NULL)
- htab->relbrlt->reloc_count = 0;
+ if (htab->glink_eh_frame != NULL
+ && htab->glink_eh_frame->size != 0)
+ {
+ bfd_vma val;
+ size_t align = 4;
- if (htab->params->plt_stub_align != 0)
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
- stub_sec->size = ((stub_sec->size
- + (1 << htab->params->plt_stub_align) - 1)
- & -(1 << htab->params->plt_stub_align));
-
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
+ p = htab->glink_eh_frame->contents;
+ p += (sizeof (glink_eh_frame_cie) + align - 1) & -align;
+
+ for (group = htab->group; group != NULL; group = group->next)
+ if (group->eh_size != 0)
+ {
+ /* Offset to stub section. */
+ val = (group->stub_sec->output_section->vma
+ + group->stub_sec->output_offset);
+ val -= (htab->glink_eh_frame->output_section->vma
+ + htab->glink_eh_frame->output_offset
+ + (p + 8 - htab->glink_eh_frame->contents));
+ if (val + 0x80000000 > 0xffffffff)
+ {
+ _bfd_error_handler
+ (_("%s offset too large for .eh_frame sdata4 encoding"),
+ group->stub_sec->name);
+ return FALSE;
+ }
+ bfd_put_32 (htab->elf.dynobj, val, p + 8);
+ p += (group->eh_size + 17 + 3) & -4;
+ }
+ if (htab->glink != NULL && htab->glink->size != 0)
+ {
+ /* Offset to .glink. */
+ val = (htab->glink->output_section->vma
+ + htab->glink->output_offset
+ + 8);
+ val -= (htab->glink_eh_frame->output_section->vma
+ + htab->glink_eh_frame->output_offset
+ + (p + 8 - htab->glink_eh_frame->contents));
+ if (val + 0x80000000 > 0xffffffff)
+ {
+ _bfd_error_handler
+ (_("%s offset too large for .eh_frame sdata4 encoding"),
+ htab->glink->name);
+ return FALSE;
+ }
+ bfd_put_32 (htab->elf.dynobj, val, p + 8);
+ p += (24 + align - 1) & -align;
+ }
+ }
+
+ for (group = htab->group; group != NULL; group = group->next)
+ if ((stub_sec = group->stub_sec) != NULL)
{
stub_sec_count += 1;
if (stub_sec->rawsize != stub_sec->size
break;
}
- /* Note that the glink_eh_frame check here is not only testing that
- the generated size matched the calculated size but also that
- bfd_elf_discard_info didn't make any changes to the section. */
- if (stub_sec != NULL
- || (htab->glink_eh_frame != NULL
- && htab->glink_eh_frame->rawsize != htab->glink_eh_frame->size))
+ if (group != NULL)
{
htab->stub_error = TRUE;
- info->callbacks->einfo (_("%P: stubs don't match calculated size\n"));
+ _bfd_error_handler (_("stubs don't match calculated size"));
}
if (htab->stub_error)
if (stats != NULL)
{
+ size_t len;
*stats = bfd_malloc (500);
if (*stats == NULL)
return FALSE;
- sprintf (*stats, _("linker stubs in %u group%s\n"
- " branch %lu\n"
- " toc adjust %lu\n"
- " long branch %lu\n"
- " long toc adj %lu\n"
- " plt call %lu\n"
- " plt call toc %lu\n"
- " global entry %lu"),
- stub_sec_count,
- stub_sec_count == 1 ? "" : "s",
+ len = sprintf (*stats,
+ ngettext ("linker stubs in %u group\n",
+ "linker stubs in %u groups\n",
+ stub_sec_count),
+ stub_sec_count);
+ sprintf (*stats + len, _(" branch %lu\n"
+ " branch toc adj %lu\n"
+ " branch notoc %lu\n"
+ " branch both %lu\n"
+ " long branch %lu\n"
+ " long toc adj %lu\n"
+ " long notoc %lu\n"
+ " long both %lu\n"
+ " plt call %lu\n"
+ " plt call save %lu\n"
+ " plt call notoc %lu\n"
+ " plt call both %lu\n"
+ " global entry %lu"),
htab->stub_count[ppc_stub_long_branch - 1],
htab->stub_count[ppc_stub_long_branch_r2off - 1],
+ htab->stub_count[ppc_stub_long_branch_notoc - 1],
+ htab->stub_count[ppc_stub_long_branch_both - 1],
htab->stub_count[ppc_stub_plt_branch - 1],
htab->stub_count[ppc_stub_plt_branch_r2off - 1],
+ htab->stub_count[ppc_stub_plt_branch_notoc - 1],
+ htab->stub_count[ppc_stub_plt_branch_both - 1],
htab->stub_count[ppc_stub_plt_call - 1],
htab->stub_count[ppc_stub_plt_call_r2save - 1],
+ htab->stub_count[ppc_stub_plt_call_notoc - 1],
+ htab->stub_count[ppc_stub_plt_call_both - 1],
htab->stub_count[ppc_stub_global_entry - 1]);
}
return TRUE;
unsigned char tls_mask, tls_gd, tls_type;
unsigned char sym_type;
bfd_vma relocation;
- bfd_boolean unresolved_reloc;
+ bfd_boolean unresolved_reloc, save_unresolved_reloc;
bfd_boolean warned;
enum { DEST_NORMAL, DEST_OPD, DEST_STUB } reloc_dest;
unsigned int insn;
wrel->r_addend = 0;
/* For ld -r, remove relocations in debug sections against
- sections defined in discarded sections. Not done for
+ symbols defined in discarded sections. Not done for
non-debug to preserve relocs in .eh_frame which the
eh_frame editing code expects to be present. */
if (bfd_link_relocatable (info)
(local_plt + symtab_hdr->sh_info);
tls_mask = lgot_masks[r_symndx];
}
- if (tls_mask == 0
+ if (((tls_mask & TLS_TLS) == 0 || tls_mask == (TLS_TLS | TLS_MARK))
&& (r_type == R_PPC64_TLS
|| r_type == R_PPC64_TLSGD
|| r_type == R_PPC64_TLSLD))
|| (sym_type == STT_SECTION
&& (sec->flags & SEC_THREAD_LOCAL) != 0))))
{
- if (tls_mask != 0
+ if ((tls_mask & TLS_TLS) != 0
&& (r_type == R_PPC64_TLS
|| r_type == R_PPC64_TLSGD
|| r_type == R_PPC64_TLSLD))
info->callbacks->einfo
(!IS_PPC64_TLS_RELOC (r_type)
/* xgettext:c-format */
- ? _("%H: %s used with TLS symbol `%T'\n")
+ ? _("%H: %s used with TLS symbol `%pT'\n")
/* xgettext:c-format */
- : _("%H: %s used with non-TLS symbol `%T'\n"),
+ : _("%H: %s used with non-TLS symbol `%pT'\n"),
input_bfd, input_section, rel->r_offset,
ppc64_elf_howto_table[r_type]->name,
sym_name);
if (r_type == R_PPC64_TOC16_DS
|| r_type == R_PPC64_TOC16_LO_DS)
{
- if (tls_mask != 0
+ if ((tls_mask & TLS_TLS) != 0
&& (tls_mask & (TLS_DTPREL | TLS_TPREL)) == 0)
goto toctprel;
}
if (retval == 2)
{
tls_gd = TLS_TPRELGD;
- if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
+ if ((tls_mask & TLS_TLS) != 0
+ && (tls_mask & TLS_GD) == 0)
goto tls_ldgd_opt;
}
else if (retval == 3)
{
- if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
+ if ((tls_mask & TLS_TLS) != 0
+ && (tls_mask & TLS_LD) == 0)
goto tls_ldgd_opt;
}
}
case R_PPC64_GOT_TPREL16_HI:
case R_PPC64_GOT_TPREL16_HA:
- if (tls_mask != 0
+ if ((tls_mask & TLS_TLS) != 0
&& (tls_mask & TLS_TPREL) == 0)
{
rel->r_offset -= d_offset;
case R_PPC64_GOT_TPREL16_DS:
case R_PPC64_GOT_TPREL16_LO_DS:
- if (tls_mask != 0
+ if ((tls_mask & TLS_TLS) != 0
&& (tls_mask & TLS_TPREL) == 0)
{
toctprel:
break;
case R_PPC64_TLS:
- if (tls_mask != 0
+ if ((tls_mask & TLS_TLS) != 0
&& (tls_mask & TLS_TPREL) == 0)
{
insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
case R_PPC64_GOT_TLSGD16_HI:
case R_PPC64_GOT_TLSGD16_HA:
tls_gd = TLS_TPRELGD;
- if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
+ if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0)
goto tls_gdld_hi;
break;
case R_PPC64_GOT_TLSLD16_HI:
case R_PPC64_GOT_TLSLD16_HA:
- if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
+ if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0)
{
tls_gdld_hi:
if ((tls_mask & tls_gd) != 0)
case R_PPC64_GOT_TLSGD16:
case R_PPC64_GOT_TLSGD16_LO:
tls_gd = TLS_TPRELGD;
- if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
+ if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0)
goto tls_ldgd_opt;
break;
case R_PPC64_GOT_TLSLD16:
case R_PPC64_GOT_TLSLD16_LO:
- if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
+ if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0)
{
- unsigned int insn1, insn2, insn3;
+ unsigned int insn1, insn2;
bfd_vma offset;
tls_ldgd_opt:
bfd_put_32 (input_bfd, insn1,
contents + rel->r_offset - d_offset);
if (offset != (bfd_vma) -1)
- {
- insn3 = bfd_get_32 (input_bfd,
- contents + offset + 4);
- if (insn3 == NOP
- || insn3 == CROR_151515 || insn3 == CROR_313131)
- {
- rel[1].r_offset += 4;
- bfd_put_32 (input_bfd, insn2, contents + offset + 4);
- insn2 = NOP;
- }
- bfd_put_32 (input_bfd, insn2, contents + offset);
- }
+ bfd_put_32 (input_bfd, insn2, contents + offset);
if ((tls_mask & tls_gd) == 0
&& (tls_gd == 0 || toc_symndx != 0))
{
break;
case R_PPC64_TLSGD:
- if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
+ if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0
+ && rel + 1 < relend)
{
- unsigned int insn2, insn3;
+ unsigned int insn2;
bfd_vma offset = rel->r_offset;
+ if (is_plt_seq_reloc (ELF64_R_TYPE (rel[1].r_info)))
+ {
+ bfd_put_32 (output_bfd, NOP, contents + offset);
+ rel[1].r_info = ELF64_R_INFO (STN_UNDEF, R_PPC64_NONE);
+ break;
+ }
+
+ if (ELF64_R_TYPE (rel[1].r_info) == R_PPC64_PLTCALL)
+ bfd_put_32 (output_bfd, NOP, contents + offset + 4);
+
if ((tls_mask & TLS_TPRELGD) != 0)
{
/* IE */
/* Zap the reloc on the _tls_get_addr call too. */
BFD_ASSERT (offset == rel[1].r_offset);
rel[1].r_info = ELF64_R_INFO (STN_UNDEF, R_PPC64_NONE);
- insn3 = bfd_get_32 (input_bfd,
- contents + offset + 4);
- if (insn3 == NOP
- || insn3 == CROR_151515 || insn3 == CROR_313131)
- {
- rel->r_offset += 4;
- bfd_put_32 (input_bfd, insn2, contents + offset + 4);
- insn2 = NOP;
- }
bfd_put_32 (input_bfd, insn2, contents + offset);
if ((tls_mask & TLS_TPRELGD) == 0 && toc_symndx != 0)
goto again;
break;
case R_PPC64_TLSLD:
- if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
+ if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0
+ && rel + 1 < relend)
{
- unsigned int insn2, insn3;
+ unsigned int insn2;
bfd_vma offset = rel->r_offset;
+ if (is_plt_seq_reloc (ELF64_R_TYPE (rel[1].r_info)))
+ {
+ bfd_put_32 (output_bfd, NOP, contents + offset);
+ rel[1].r_info = ELF64_R_INFO (STN_UNDEF, R_PPC64_NONE);
+ break;
+ }
+
+ if (ELF64_R_TYPE (rel[1].r_info) == R_PPC64_PLTCALL)
+ bfd_put_32 (output_bfd, NOP, contents + offset + 4);
+
if (toc_symndx)
sec = local_sections[toc_symndx];
for (r_symndx = 0;
BFD_ASSERT (offset == rel[1].r_offset);
rel[1].r_info = ELF64_R_INFO (STN_UNDEF, R_PPC64_NONE);
insn2 = 0x38630000; /* addi 3,3,0 */
- insn3 = bfd_get_32 (input_bfd,
- contents + offset + 4);
- if (insn3 == NOP
- || insn3 == CROR_151515 || insn3 == CROR_313131)
- {
- rel->r_offset += 4;
- bfd_put_32 (input_bfd, insn2, contents + offset + 4);
- insn2 = NOP;
- }
bfd_put_32 (input_bfd, insn2, contents + offset);
goto again;
}
/* Fall through. */
case R_PPC64_REL24:
+ case R_PPC64_REL24_NOTOC:
+ case R_PPC64_PLTCALL:
/* Calls to functions with a different TOC, such as calls to
shared objects, need to alter the TOC pointer. This is
done using a linkage stub. A REL24 branching to these
fdh = ppc_follow_link (h->oh);
stub_entry = ppc_get_stub_entry (input_section, sec, fdh, &orig_rel,
htab);
+ if (r_type == R_PPC64_PLTCALL
+ && stub_entry != NULL
+ && stub_entry->stub_type >= ppc_stub_plt_call
+ && stub_entry->stub_type <= ppc_stub_plt_call_both)
+ stub_entry = NULL;
+
if (stub_entry != NULL
- && (stub_entry->stub_type == ppc_stub_plt_call
- || stub_entry->stub_type == ppc_stub_plt_call_r2save
+ && ((stub_entry->stub_type >= ppc_stub_plt_call
+ && stub_entry->stub_type <= ppc_stub_plt_call_both)
|| stub_entry->stub_type == ppc_stub_plt_branch_r2off
- || stub_entry->stub_type == ppc_stub_long_branch_r2off))
+ || stub_entry->stub_type == ppc_stub_plt_branch_both
+ || stub_entry->stub_type == ppc_stub_long_branch_r2off
+ || stub_entry->stub_type == ppc_stub_long_branch_both))
{
bfd_boolean can_plt_call = FALSE;
- /* All of these stubs will modify r2, so there must be a
+ if (stub_entry->stub_type == ppc_stub_plt_call
+ && !htab->opd_abi
+ && htab->params->plt_localentry0 != 0
+ && is_elfv2_localentry0 (&h->elf))
+ {
+ /* The function doesn't use or change r2. */
+ can_plt_call = TRUE;
+ }
+ else if (r_type == R_PPC64_REL24_NOTOC)
+ {
+ /* NOTOC calls don't need to restore r2. */
+ can_plt_call = TRUE;
+ }
+
+ /* All of these stubs may modify r2, so there must be a
branch and link followed by a nop. The nop is
replaced by an insn to restore r2. */
- if (rel->r_offset + 8 <= input_section->size)
+ else if (rel->r_offset + 8 <= input_section->size)
{
unsigned long br;
nop = bfd_get_32 (input_bfd,
contents + rel->r_offset + 4);
- if (nop == NOP
- || nop == CROR_151515 || nop == CROR_313131)
+ if (nop == LD_R2_0R1 + STK_TOC (htab))
+ can_plt_call = TRUE;
+ else if (nop == NOP
+ || nop == CROR_151515
+ || nop == CROR_313131)
{
if (h != NULL
&& (h == htab->tls_get_addr_fd
if (!can_plt_call)
{
- if (stub_entry->stub_type == ppc_stub_plt_call
- || stub_entry->stub_type == ppc_stub_plt_call_r2save)
+ if (stub_entry->stub_type >= ppc_stub_plt_call
+ && stub_entry->stub_type <= ppc_stub_plt_call_both)
info->callbacks->einfo
/* xgettext:c-format */
- (_("%H: call to `%T' lacks nop, can't restore toc; "
- "recompile with -fPIC\n"),
+ (_("%H: call to `%pT' lacks nop, can't restore toc; "
+ "(plt call stub)\n"),
input_bfd, input_section, rel->r_offset, sym_name);
else
info->callbacks->einfo
/* xgettext:c-format */
- (_("%H: call to `%T' lacks nop, can't restore toc; "
- "(-mcmodel=small toc adjust stub)\n"),
+ (_("%H: call to `%pT' lacks nop, can't restore toc; "
+ "(toc save/adjust stub)\n"),
input_bfd, input_section, rel->r_offset, sym_name);
bfd_set_error (bfd_error_bad_value);
}
if (can_plt_call
- && (stub_entry->stub_type == ppc_stub_plt_call
- || stub_entry->stub_type == ppc_stub_plt_call_r2save))
+ && stub_entry->stub_type >= ppc_stub_plt_call
+ && stub_entry->stub_type <= ppc_stub_plt_call_both)
unresolved_reloc = FALSE;
}
/* Don't use the stub if this branch is in range. */
stub_entry = NULL;
+ if (stub_entry != NULL
+ && (stub_entry->stub_type == ppc_stub_long_branch_notoc
+ || stub_entry->stub_type == ppc_stub_long_branch_both
+ || stub_entry->stub_type == ppc_stub_plt_branch_notoc
+ || stub_entry->stub_type == ppc_stub_plt_branch_both)
+ && (r_type != R_PPC64_REL24_NOTOC
+ || ((fdh ? fdh->elf.other : sym->st_other)
+ & STO_PPC64_LOCAL_MASK) == 1 << STO_PPC64_LOCAL_BIT)
+ && (relocation + addend - from + max_br_offset
+ < 2 * max_br_offset))
+ stub_entry = NULL;
+
+ if (stub_entry != NULL
+ && (stub_entry->stub_type == ppc_stub_long_branch_r2off
+ || stub_entry->stub_type == ppc_stub_long_branch_both
+ || stub_entry->stub_type == ppc_stub_plt_branch_r2off
+ || stub_entry->stub_type == ppc_stub_plt_branch_both)
+ && r_type == R_PPC64_REL24_NOTOC
+ && (relocation + addend - from + max_br_offset
+ < 2 * max_br_offset))
+ stub_entry = NULL;
+
if (stub_entry != NULL)
{
/* Munge up the value and addend so that we call the stub
addend = 0;
reloc_dest = DEST_STUB;
- if ((stub_entry->stub_type == ppc_stub_plt_call
- || stub_entry->stub_type == ppc_stub_plt_call_r2save)
- && (ALWAYS_EMIT_R2SAVE
- || stub_entry->stub_type == ppc_stub_plt_call_r2save)
+ if (((stub_entry->stub_type == ppc_stub_plt_call
+ && ALWAYS_EMIT_R2SAVE)
+ || stub_entry->stub_type == ppc_stub_plt_call_r2save
+ || stub_entry->stub_type == ppc_stub_plt_call_both)
+ && !(h != NULL
+ && (h == htab->tls_get_addr_fd
+ || h == htab->tls_get_addr)
+ && htab->params->tls_get_addr_opt)
&& rel + 1 < relend
&& rel[1].r_offset == rel->r_offset + 4
&& ELF64_R_TYPE (rel[1].r_info) == R_PPC64_TOCSAVE)
relocation += 4;
+ else if ((stub_entry->stub_type == ppc_stub_long_branch_both
+ || stub_entry->stub_type == ppc_stub_plt_branch_both
+ || stub_entry->stub_type == ppc_stub_plt_call_both)
+ && r_type == R_PPC64_REL24_NOTOC)
+ relocation += 4;
}
if (insn != 0)
else if (h != NULL
&& h->elf.root.type == bfd_link_hash_undefweak
&& h->elf.dynindx == -1
- && r_type == R_PPC64_REL24
+ && (r_type == R_PPC64_REL24
+ || r_type == R_PPC64_REL24_NOTOC)
&& relocation == 0
&& addend == 0)
{
/* Set `addend'. */
tls_type = 0;
+ save_unresolved_reloc = unresolved_reloc;
switch (r_type)
{
default:
- info->callbacks->einfo
- /* xgettext:c-format */
- (_("%P: %B: unknown relocation type %d for `%T'\n"),
- input_bfd, (int) r_type, sym_name);
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: %s unsupported"),
+ input_bfd, ppc64_elf_howto_table[r_type]->name);
bfd_set_error (bfd_error_bad_value);
ret = FALSE;
if (!htab->elf.dynamic_sections_created
|| h->elf.dynindx == -1
|| SYMBOL_REFERENCES_LOCAL (info, &h->elf)
- || (ELF_ST_VISIBILITY (h->elf.other) != STV_DEFAULT
- && h->elf.root.type == bfd_link_hash_undefweak))
+ || UNDEFWEAK_NO_DYNAMIC_RELOC (info, &h->elf))
/* This is actually a static link, or it is a
-Bsymbolic link and the symbol is defined
locally, or the symbol was forced to be local
else if (indx != 0
|| (bfd_link_pic (info)
&& (h == NULL
- || (ELF_ST_VISIBILITY (h->elf.other)
- == STV_DEFAULT)
- || h->elf.root.type != bfd_link_hash_undefweak
+ || !UNDEFWEAK_NO_DYNAMIC_RELOC (info, &h->elf)
|| (tls_type == (TLS_TLS | TLS_LD)
- && !h->elf.def_dynamic))))
+ && !h->elf.def_dynamic))
+ && !(tls_type == (TLS_TLS | TLS_TPREL)
+ && bfd_link_executable (info)
+ && SYMBOL_REFERENCES_LOCAL (info, &h->elf))))
relgot = ppc64_elf_tdata (ent->owner)->relgot;
if (relgot != NULL)
{
emitting a reloc. */
else
{
- int tlsopt
- = (htab->params->tls_get_addr_opt
- && htab->tls_get_addr_fd != NULL
- && htab->tls_get_addr_fd->elf.plt.plist != NULL);
-
relocation += addend;
if (tls_type != 0)
{
relocation = 0;
else
relocation -= htab->elf.tls_sec->vma + DTP_OFFSET;
- if ((tls_type & TLS_TPREL)
- || (tlsopt && !(tls_type & TLS_DTPREL)))
+ if (tls_type & TLS_TPREL)
relocation += DTP_OFFSET - TP_OFFSET;
}
{
bfd_put_64 (output_bfd, relocation,
got->contents + off + 8);
- relocation = !tlsopt;
+ relocation = 1;
}
}
bfd_put_64 (output_bfd, relocation,
case R_PPC64_PLT16_HA:
case R_PPC64_PLT16_HI:
case R_PPC64_PLT16_LO:
+ case R_PPC64_PLT16_LO_DS:
case R_PPC64_PLT32:
case R_PPC64_PLT64:
+ case R_PPC64_PLTSEQ:
+ case R_PPC64_PLTCALL:
/* Relocation is to the entry for this symbol in the
procedure linkage table. */
+ unresolved_reloc = TRUE;
{
struct plt_entry **plt_list = NULL;
if (h != NULL)
{
struct plt_entry **local_plt = (struct plt_entry **)
(local_got_ents + symtab_hdr->sh_info);
- unsigned char *local_got_tls_masks = (unsigned char *)
- (local_plt + symtab_hdr->sh_info);
- if ((local_got_tls_masks[r_symndx] & PLT_IFUNC) != 0)
- plt_list = local_plt + r_symndx;
+ plt_list = local_plt + r_symndx;
}
if (plt_list)
{
&& ent->addend == orig_rel.r_addend)
{
asection *plt;
+ bfd_vma got;
plt = htab->elf.splt;
if (!htab->elf.dynamic_sections_created
|| h == NULL
|| h->elf.dynindx == -1)
- plt = htab->elf.iplt;
+ {
+ if (h != NULL
+ ? h->elf.type == STT_GNU_IFUNC
+ : ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
+ plt = htab->elf.iplt;
+ else
+ plt = htab->pltlocal;
+ }
relocation = (plt->output_section->vma
+ plt->output_offset
+ ent->plt.offset);
+ if (r_type == R_PPC64_PLT16_HA
+ || r_type == R_PPC64_PLT16_HI
+ || r_type == R_PPC64_PLT16_LO
+ || r_type == R_PPC64_PLT16_LO_DS)
+ {
+ got = (elf_gp (output_bfd)
+ + htab->sec_info[input_section->id].toc_off);
+ relocation -= got;
+ }
addend = 0;
unresolved_reloc = FALSE;
break;
case R_PPC64_REL16_LO:
case R_PPC64_REL16_HI:
case R_PPC64_REL16_HA:
+ case R_PPC64_REL16_HIGH:
+ case R_PPC64_REL16_HIGHA:
+ case R_PPC64_REL16_HIGHER:
+ case R_PPC64_REL16_HIGHERA:
+ case R_PPC64_REL16_HIGHEST:
+ case R_PPC64_REL16_HIGHESTA:
case R_PPC64_REL16DX_HA:
break;
case R_PPC64_REL14_BRNTAKEN:
case R_PPC64_REL14_BRTAKEN:
case R_PPC64_REL24:
+ case R_PPC64_REL24_NOTOC:
break;
case R_PPC64_TPREL16:
}
if (htab->elf.tls_sec != NULL)
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
- if (bfd_link_pic (info))
- /* The TPREL16 relocs shouldn't really be used in shared
- libs as they will result in DT_TEXTREL being set, but
- support them anyway. */
- goto dodyn;
- break;
+ /* The TPREL16 relocs shouldn't really be used in shared
+ libs or with non-local symbols as that will result in
+ DT_TEXTREL being set, but support them anyway. */
+ goto dodyn;
case R_PPC64_DTPREL16:
case R_PPC64_DTPREL16_LO:
info->callbacks->einfo
/* xgettext:c-format */
(_("%H: %s for indirect "
- "function `%T' unsupported\n"),
+ "function `%pT' unsupported\n"),
input_bfd, input_section, rel->r_offset,
ppc64_elf_howto_table[r_type]->name,
sym_name);
be computed at runtime, so there's no need to do
anything now. However, for the sake of prelink ensure
that the section contents are a known value. */
- if (! relocate)
+ if (!relocate)
{
unresolved_reloc = FALSE;
/* The value chosen here is quite arbitrary as ld.so
addend = outrel.r_offset;
}
}
- else if (r_type == R_PPC64_DTPMOD64
- && htab->params->tls_get_addr_opt
- && htab->tls_get_addr_fd != NULL
- && htab->tls_get_addr_fd->elf.plt.plist != NULL)
- {
- /* Set up for __tls_get_addr_opt stub, when this entry
- does not have dynamic relocs. */
- relocation = 0;
- /* Set up the next word for local dynamic. If it turns
- out to be global dynamic, the reloc will overwrite
- this value. */
- if (rel->r_offset + 16 <= input_section->size)
- bfd_put_64 (input_bfd, DTP_OFFSET - TP_OFFSET,
- contents + rel->r_offset + 8);
- }
- else if (r_type == R_PPC64_DTPREL64
- && htab->params->tls_get_addr_opt
- && htab->tls_get_addr_fd != NULL
- && htab->tls_get_addr_fd->elf.plt.plist != NULL
- && rel > relocs
- && rel[-1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPMOD64)
- && rel[-1].r_offset + 8 == rel->r_offset)
- {
- /* __tls_get_addr_opt stub value. */
- addend += DTP_OFFSET - TP_OFFSET;
- }
break;
case R_PPC64_COPY:
info->callbacks->einfo
/* xgettext:c-format */
- (_("%P: %B: %s is not supported for `%T'\n"),
+ (_("%P: %pB: %s is not supported for `%pT'\n"),
input_bfd,
ppc64_elf_howto_table[r_type]->name, sym_name);
/* Multi-instruction sequences that access the TOC can be
optimized, eg. addis ra,r2,0; addi rb,ra,x;
- to nop; addi rb,r2,x; */
+ to nop; addi rb,r2,x; */
switch (r_type)
{
default:
insn. */
break;
+ case R_PPC64_PLTCALL:
+ if (unresolved_reloc)
+ {
+ /* No plt entry. Make this into a direct call. */
+ bfd_byte *p = contents + rel->r_offset;
+ insn = bfd_get_32 (input_bfd, p);
+ insn &= 1;
+ bfd_put_32 (input_bfd, B_DOT | insn, p);
+ bfd_put_32 (input_bfd, NOP, p + 4);
+ unresolved_reloc = save_unresolved_reloc;
+ r_type = R_PPC64_REL24;
+ }
+ break;
+
+ case R_PPC64_PLTSEQ:
+ if (unresolved_reloc)
+ {
+ unresolved_reloc = FALSE;
+ goto nop_it;
+ }
+ break;
+
+ case R_PPC64_PLT16_HA:
+ if (unresolved_reloc)
+ {
+ unresolved_reloc = FALSE;
+ goto nop_it;
+ }
+ /* Fall through. */
case R_PPC64_GOT_TLSLD16_HA:
case R_PPC64_GOT_TLSGD16_HA:
case R_PPC64_GOT_TPREL16_HA:
if (htab->do_toc_opt && relocation + addend + 0x8000 < 0x10000
&& !ppc64_elf_tdata (input_bfd)->unexpected_toc_insn)
{
- bfd_byte *p = contents + (rel->r_offset & ~3);
+ bfd_byte *p;
+ nop_it:
+ p = contents + (rel->r_offset & ~3);
bfd_put_32 (input_bfd, NOP, p);
+ goto copy_reloc;
}
break;
+ case R_PPC64_PLT16_LO:
+ case R_PPC64_PLT16_LO_DS:
+ if (unresolved_reloc)
+ {
+ unresolved_reloc = FALSE;
+ goto nop_it;
+ }
+ /* Fall through. */
case R_PPC64_GOT_TLSLD16_LO:
case R_PPC64_GOT_TLSGD16_LO:
case R_PPC64_GOT_TPREL16_LO_DS:
bfd_put_32 (input_bfd, insn, p);
}
break;
+
+ case R_PPC64_TPREL16_HA:
+ if (htab->do_tls_opt && relocation + addend + 0x8000 < 0x10000)
+ {
+ bfd_byte *p = contents + (rel->r_offset & ~3);
+ insn = bfd_get_32 (input_bfd, p);
+ if ((insn & ((0x3f << 26) | 0x1f << 16))
+ != ((15u << 26) | (13 << 16)) /* addis rt,13,imm */)
+ /* xgettext:c-format */
+ info->callbacks->minfo
+ (_("%H: warning: %s unexpected insn %#x.\n"),
+ input_bfd, input_section, rel->r_offset,
+ ppc64_elf_howto_table[r_type]->name, insn);
+ else
+ {
+ bfd_put_32 (input_bfd, NOP, p);
+ goto copy_reloc;
+ }
+ }
+ break;
+
+ case R_PPC64_TPREL16_LO:
+ case R_PPC64_TPREL16_LO_DS:
+ if (htab->do_tls_opt && relocation + addend + 0x8000 < 0x10000)
+ {
+ bfd_byte *p = contents + (rel->r_offset & ~3);
+ insn = bfd_get_32 (input_bfd, p);
+ insn &= ~(0x1f << 16);
+ insn |= 13 << 16;
+ bfd_put_32 (input_bfd, insn, p);
+ }
+ break;
}
/* Do any further special processing. */
- howto = ppc64_elf_howto_table[(int) r_type];
switch (r_type)
{
default:
break;
case R_PPC64_REL16_HA:
+ case R_PPC64_REL16_HIGHA:
+ case R_PPC64_REL16_HIGHERA:
+ case R_PPC64_REL16_HIGHESTA:
case R_PPC64_REL16DX_HA:
case R_PPC64_ADDR16_HA:
case R_PPC64_ADDR16_HIGHA:
/* xgettext:c-format */
(_("%H: error: %s not a multiple of %u\n"),
input_bfd, input_section, rel->r_offset,
- howto->name,
+ ppc64_elf_howto_table[r_type]->name,
mask + 1);
bfd_set_error (bfd_error_bad_value);
ret = FALSE;
/* Dynamic relocs are not propagated for SEC_DEBUGGING sections
because such sections are not SEC_ALLOC and thus ld.so will
not process them. */
+ howto = ppc64_elf_howto_table[(int) r_type];
if (unresolved_reloc
&& !((input_section->flags & SEC_DEBUGGING) != 0
&& h->elf.def_dynamic)
{
info->callbacks->einfo
/* xgettext:c-format */
- (_("%H: unresolvable %s against `%T'\n"),
+ (_("%H: unresolvable %s against `%pT'\n"),
input_bfd, input_section, rel->r_offset,
howto->name,
h->elf.root.root.string);
{
info->callbacks->einfo
/* xgettext:c-format */
- (_("%H: %s against `%T': error %d\n"),
+ (_("%H: %s against `%pT': error %d\n"),
input_bfd, input_section, rel->r_offset,
reloc_name, sym_name, (int) r);
ret = FALSE;
{
struct ppc_link_hash_table *htab;
struct plt_entry *ent;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
htab = ppc_hash_table (info);
if (htab == NULL)
return FALSE;
- for (ent = h->plt.plist; ent != NULL; ent = ent->next)
- if (ent->plt.offset != (bfd_vma) -1)
- {
- /* This symbol has an entry in the procedure linkage
- table. Set it up. */
- if (!htab->elf.dynamic_sections_created
- || h->dynindx == -1)
- {
- BFD_ASSERT (h->type == STT_GNU_IFUNC
- && h->def_regular
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak));
- rela.r_offset = (htab->elf.iplt->output_section->vma
- + htab->elf.iplt->output_offset
- + ent->plt.offset);
- if (htab->opd_abi)
- rela.r_info = ELF64_R_INFO (0, R_PPC64_JMP_IREL);
- else
- rela.r_info = ELF64_R_INFO (0, R_PPC64_IRELATIVE);
- rela.r_addend = (h->root.u.def.value
- + h->root.u.def.section->output_offset
- + h->root.u.def.section->output_section->vma
- + ent->addend);
- loc = (htab->elf.irelplt->contents
- + (htab->elf.irelplt->reloc_count++
- * sizeof (Elf64_External_Rela)));
- htab->local_ifunc_resolver = 1;
- }
- else
- {
- rela.r_offset = (htab->elf.splt->output_section->vma
- + htab->elf.splt->output_offset
- + ent->plt.offset);
- rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_JMP_SLOT);
- rela.r_addend = ent->addend;
- loc = (htab->elf.srelplt->contents
- + ((ent->plt.offset - PLT_INITIAL_ENTRY_SIZE (htab))
- / PLT_ENTRY_SIZE (htab) * sizeof (Elf64_External_Rela)));
- if (h->type == STT_GNU_IFUNC && is_static_defined (h))
- htab->maybe_local_ifunc_resolver = 1;
- }
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
-
- if (!htab->opd_abi)
- {
- if (!h->def_regular)
- {
- /* Mark the symbol as undefined, rather than as
- defined in glink. Leave the value if there were
- any relocations where pointer equality matters
- (this is a clue for the dynamic linker, to make
- function pointer comparisons work between an
- application and shared library), otherwise set it
- to zero. */
- sym->st_shndx = SHN_UNDEF;
- if (!h->pointer_equality_needed)
- sym->st_value = 0;
- else if (!h->ref_regular_nonweak)
- {
- /* This breaks function pointer comparisons, but
- that is better than breaking tests for a NULL
- function pointer. */
- sym->st_value = 0;
- }
- }
- }
- }
+ if (!htab->opd_abi && !h->def_regular)
+ for (ent = h->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->plt.offset != (bfd_vma) -1)
+ {
+ /* Mark the symbol as undefined, rather than as
+ defined in glink. Leave the value if there were
+ any relocations where pointer equality matters
+ (this is a clue for the dynamic linker, to make
+ function pointer comparisons work between an
+ application and shared library), otherwise set it
+ to zero. */
+ sym->st_shndx = SHN_UNDEF;
+ if (!h->pointer_equality_needed)
+ sym->st_value = 0;
+ else if (!h->ref_regular_nonweak)
+ {
+ /* This breaks function pointer comparisons, but
+ that is better than breaking tests for a NULL
+ function pointer. */
+ sym->st_value = 0;
+ }
+ break;
+ }
if (h->needs_copy)
{
/* This symbol needs a copy reloc. Set it up. */
+ Elf_Internal_Rela rela;
asection *srel;
+ bfd_byte *loc;
if (h->dynindx == -1
|| (h->root.type != bfd_link_hash_defined
of glink rather than the first entry point, which is
what ld.so needs, and now have a bigger stub to
support automatic multiple TOCs. */
- dyn.d_un.d_ptr += GLINK_CALL_STUB_SIZE - 8 * 4;
+ dyn.d_un.d_ptr += GLINK_PLTRESOLVE_SIZE (htab) - 8 * 4;
break;
case DT_PPC64_OPD:
case DT_PPC64_OPT:
if (htab->do_multi_toc && htab->multi_toc_needed)
dyn.d_un.d_val |= PPC64_OPT_MULTI_TOC;
+ if (htab->has_plt_localentry0)
+ dyn.d_un.d_val |= PPC64_OPT_LOCALENTRY;
break;
case DT_PPC64_OPDSZ:
htab->elf.sgot->contents);
/* Set .got entry size. */
- elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize = 8;
+ elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize
+ = 8;
}
if (htab->elf.splt != NULL && htab->elf.splt->size != 0
NULL))
return FALSE;
- if (htab->glink_eh_frame != NULL
- && htab->glink_eh_frame->size != 0)
- {
- bfd_vma val;
- bfd_byte *p;
- asection *stub_sec;
- size_t align = 4;
-
- p = htab->glink_eh_frame->contents;
- p += (sizeof (glink_eh_frame_cie) + align - 1) & -align;
- for (stub_sec = htab->params->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
- {
- /* FDE length. */
- p += 4;
- /* CIE pointer. */
- p += 4;
- /* Offset to stub section. */
- val = (stub_sec->output_section->vma
- + stub_sec->output_offset);
- val -= (htab->glink_eh_frame->output_section->vma
- + htab->glink_eh_frame->output_offset
- + (p - htab->glink_eh_frame->contents));
- if (val + 0x80000000 > 0xffffffff)
- {
- info->callbacks->einfo
- (_("%P: %s offset too large for .eh_frame sdata4 encoding"),
- stub_sec->name);
- return FALSE;
- }
- bfd_put_32 (dynobj, val, p);
- p += 4;
- /* stub section size. */
- p += 4;
- /* Augmentation. */
- p += 1;
- /* Pad. */
- p += ((17 + align - 1) & -align) - 17;
- }
- if (htab->glink != NULL && htab->glink->size != 0)
- {
- /* FDE length. */
- p += 4;
- /* CIE pointer. */
- p += 4;
- /* Offset to .glink. */
- val = (htab->glink->output_section->vma
- + htab->glink->output_offset
- + 8);
- val -= (htab->glink_eh_frame->output_section->vma
- + htab->glink_eh_frame->output_offset
- + (p - htab->glink_eh_frame->contents));
- if (val + 0x80000000 > 0xffffffff)
- {
- info->callbacks->einfo
- (_("%P: %s offset too large for .eh_frame sdata4 encoding"),
- htab->glink->name);
- return FALSE;
- }
- bfd_put_32 (dynobj, val, p);
- p += 4;
- /* .glink size. */
- p += 4;
- /* Augmentation. */
- p += 1;
- /* Ops. */
- p += 7;
- p += ((24 + align - 1) & -align) - 24;
- }
- if (htab->glink_eh_frame->sec_info_type == SEC_INFO_TYPE_EH_FRAME
- && !_bfd_elf_write_section_eh_frame (output_bfd, info,
- htab->glink_eh_frame,
- htab->glink_eh_frame->contents))
- return FALSE;
- }
+ if (htab->glink_eh_frame != NULL
+ && htab->glink_eh_frame->size != 0
+ && htab->glink_eh_frame->sec_info_type == SEC_INFO_TYPE_EH_FRAME
+ && !_bfd_elf_write_section_eh_frame (output_bfd, info,
+ htab->glink_eh_frame,
+ htab->glink_eh_frame->contents))
+ return FALSE;
/* We need to handle writing out multiple GOT sections ourselves,
since we didn't add them to DYNOBJ. We know dynobj is the first
#define elf64_bed elf64_powerpc_fbsd_bed
#include "elf64-target.h"
-