/* BFD support for handling relocation entries.
- Copyright (C) 1990-2015 Free Software Foundation, Inc.
+ Copyright (C) 1990-2016 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
asymbol *symbol;
symbol = *(reloc_entry->sym_ptr_ptr);
- if (bfd_is_abs_section (symbol->section)
- && output_bfd != NULL)
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
-
- /* PR 17512: file: 0f67f69d. */
- if (howto == NULL)
- return bfd_reloc_undefined;
/* If we are not producing relocatable output, return an error if
the symbol is not defined. An undefined weak symbol is
/* If there is a function supplied to handle this relocation type,
call it. It'll return `bfd_reloc_continue' if further processing
can be done. */
- if (howto->special_function)
+ if (howto && howto->special_function)
{
bfd_reloc_status_type cont;
cont = howto->special_function (abfd, reloc_entry, symbol, data,
return cont;
}
+ if (bfd_is_abs_section (symbol->section)
+ && output_bfd != NULL)
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
+
+ /* PR 17512: file: 0f67f69d. */
+ if (howto == NULL)
+ return bfd_reloc_undefined;
+
/* Is the address of the relocation really within the section?
Include the size of the reloc in the test for out of range addresses.
PR 17512: file: c146ab8b, 46dff27f, 38e53ebf. */
bfd_byte *data;
symbol = *(reloc_entry->sym_ptr_ptr);
- if (bfd_is_abs_section (symbol->section))
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
/* If there is a function supplied to handle this relocation type,
call it. It'll return `bfd_reloc_continue' if further processing
can be done. */
- if (howto->special_function)
+ if (howto && howto->special_function)
{
bfd_reloc_status_type cont;
return cont;
}
+ if (bfd_is_abs_section (symbol->section))
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
+
+ /* No need to check for howto != NULL if !bfd_is_abs_section as
+ it will have been checked in `bfd_perform_relocation already'. */
+
/* Is the address of the relocation really within the section? */
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
if (octets + bfd_get_reloc_size (howto)
}
return _bfd_relocate_contents (howto, input_bfd, relocation,
- contents + address);
+ contents
+ + address * bfd_octets_per_byte (input_bfd));
}
/* Relocate a given location using a given value and howto. */
ENUMDOC
microMIPS PC-relative relocations.
+ENUM
+ BFD_RELOC_MIPS16_16_PCREL_S1
+ENUMDOC
+ MIPS16 PC-relative relocation.
+
ENUM
BFD_RELOC_MIPS_21_PCREL_S2
ENUMX
ENUMDOC
ARM support for STT_GNU_IFUNC.
+ENUM
+ BFD_RELOC_ARM_THUMB_ALU_ABS_G0_NC
+ENUMX
+ BFD_RELOC_ARM_THUMB_ALU_ABS_G1_NC
+ENUMX
+ BFD_RELOC_ARM_THUMB_ALU_ABS_G2_NC
+ENUMX
+ BFD_RELOC_ARM_THUMB_ALU_ABS_G3_NC
+ENUMDOC
+ Thumb1 relocations to support execute-only code.
+
ENUM
BFD_RELOC_ARM_IMMEDIATE
ENUMX
ENUMX
BFD_RELOC_AC_SECTOFF_U8_2
ENUMX
- BFD_RELOC_AC_SECTFOFF_S9
+ BFD_RELOC_AC_SECTOFF_S9
ENUMX
- BFD_RELOC_AC_SECTFOFF_S9_1
+ BFD_RELOC_AC_SECTOFF_S9_1
ENUMX
- BFD_RELOC_AC_SECTFOFF_S9_2
+ BFD_RELOC_AC_SECTOFF_S9_2
ENUMX
BFD_RELOC_ARC_SECTOFF_ME_1
ENUMX
BFD_RELOC_ARC_SECTOFF_1
ENUMX
BFD_RELOC_ARC_SECTOFF_2
+ENUMX
+ BFD_RELOC_ARC_SDA_12
ENUMX
BFD_RELOC_ARC_SDA16_ST2
ENUMX
BFD_RELOC_ARC_S25W_PCREL_PLT
ENUMX
BFD_RELOC_ARC_S21H_PCREL_PLT
+ENUMX
+ BFD_RELOC_ARC_NPS_CMEM16
ENUMDOC
ARC relocs.
ENUMDOC
This is a 5 bit reloc for the AVR that stores an I/O register
number for the SBIC, SBIS, SBI and CBI instructions
+
+ENUM
+ BFD_RELOC_RISCV_HI20
+ENUMX
+ BFD_RELOC_RISCV_PCREL_HI20
+ENUMX
+ BFD_RELOC_RISCV_PCREL_LO12_I
+ENUMX
+ BFD_RELOC_RISCV_PCREL_LO12_S
+ENUMX
+ BFD_RELOC_RISCV_LO12_I
+ENUMX
+ BFD_RELOC_RISCV_LO12_S
+ENUMX
+ BFD_RELOC_RISCV_GPREL12_I
+ENUMX
+ BFD_RELOC_RISCV_GPREL12_S
+ENUMX
+ BFD_RELOC_RISCV_TPREL_HI20
+ENUMX
+ BFD_RELOC_RISCV_TPREL_LO12_I
+ENUMX
+ BFD_RELOC_RISCV_TPREL_LO12_S
+ENUMX
+ BFD_RELOC_RISCV_TPREL_ADD
+ENUMX
+ BFD_RELOC_RISCV_CALL
+ENUMX
+ BFD_RELOC_RISCV_CALL_PLT
+ENUMX
+ BFD_RELOC_RISCV_ADD8
+ENUMX
+ BFD_RELOC_RISCV_ADD16
+ENUMX
+ BFD_RELOC_RISCV_ADD32
+ENUMX
+ BFD_RELOC_RISCV_ADD64
+ENUMX
+ BFD_RELOC_RISCV_SUB8
+ENUMX
+ BFD_RELOC_RISCV_SUB16
+ENUMX
+ BFD_RELOC_RISCV_SUB32
+ENUMX
+ BFD_RELOC_RISCV_SUB64
+ENUMX
+ BFD_RELOC_RISCV_GOT_HI20
+ENUMX
+ BFD_RELOC_RISCV_TLS_GOT_HI20
+ENUMX
+ BFD_RELOC_RISCV_TLS_GD_HI20
+ENUMX
+ BFD_RELOC_RISCV_JMP
+ENUMX
+ BFD_RELOC_RISCV_TLS_DTPMOD32
+ENUMX
+ BFD_RELOC_RISCV_TLS_DTPREL32
+ENUMX
+ BFD_RELOC_RISCV_TLS_DTPMOD64
+ENUMX
+ BFD_RELOC_RISCV_TLS_DTPREL64
+ENUMX
+ BFD_RELOC_RISCV_TLS_TPREL32
+ENUMX
+ BFD_RELOC_RISCV_TLS_TPREL64
+ENUMX
+ BFD_RELOC_RISCV_ALIGN
+ENUMX
+ BFD_RELOC_RISCV_RVC_BRANCH
+ENUMX
+ BFD_RELOC_RISCV_RVC_JUMP
+ENUMX
+ BFD_RELOC_RISCV_RVC_LUI
+ENUMX
+ BFD_RELOC_RISCV_GPREL_I
+ENUMX
+ BFD_RELOC_RISCV_GPREL_S
+ENUMX
+ BFD_RELOC_RISCV_TPREL_I
+ENUMX
+ BFD_RELOC_RISCV_TPREL_S
+ENUMX
+ BFD_RELOC_RISCV_RELAX
+ENUMX
+ BFD_RELOC_RISCV_CFA
+ENUMX
+ BFD_RELOC_RISCV_SUB6
+ENUMX
+ BFD_RELOC_RISCV_SET6
+ENUMX
+ BFD_RELOC_RISCV_SET8
+ENUMX
+ BFD_RELOC_RISCV_SET16
+ENUMX
+ BFD_RELOC_RISCV_SET32
+ENUMDOC
+ RISC-V relocations.
+
ENUM
BFD_RELOC_RL78_NEG8
ENUMX
ENUMDOC
Relocations used by the Altera Nios II core.
+ENUM
+ BFD_RELOC_PRU_U16
+ENUMDOC
+ PRU LDI 16-bit unsigned data-memory relocation.
+ENUM
+ BFD_RELOC_PRU_U16_PMEMIMM
+ENUMDOC
+ PRU LDI 16-bit unsigned instruction-memory relocation.
+ENUM
+ BFD_RELOC_PRU_LDI32
+ENUMDOC
+ PRU relocation for two consecutive LDI load instructions that load a
+ 32 bit value into a register. If the higher bits are all zero, then
+ the second instruction may be relaxed.
+ENUM
+ BFD_RELOC_PRU_S10_PCREL
+ENUMDOC
+ PRU QBBx 10-bit signed PC-relative relocation.
+ENUM
+ BFD_RELOC_PRU_U8_PCREL
+ENUMDOC
+ PRU 8-bit unsigned relocation used for the LOOP instruction.
+ENUM
+ BFD_RELOC_PRU_32_PMEM
+ENUMX
+ BFD_RELOC_PRU_16_PMEM
+ENUMDOC
+ PRU Program Memory relocations. Used to convert from byte addressing to
+ 32-bit word addressing.
+ENUM
+ BFD_RELOC_PRU_GNU_DIFF8
+ENUMX
+ BFD_RELOC_PRU_GNU_DIFF16
+ENUMX
+ BFD_RELOC_PRU_GNU_DIFF32
+ENUMX
+ BFD_RELOC_PRU_GNU_DIFF16_PMEM
+ENUMX
+ BFD_RELOC_PRU_GNU_DIFF32_PMEM
+ENUMDOC
+ PRU relocations to mark the difference of two local symbols.
+ These are only needed to support linker relaxation and can be ignored
+ when not relaxing. The field is set to the value of the difference
+ assuming no relaxation. The relocation encodes the position of the
+ second symbol so the linker can determine whether to adjust the field
+ value. The PMEM variants encode the word difference, instead of byte
+ difference between symbols.
+
ENUM
BFD_RELOC_IQ2000_OFFSET_16
ENUMX
relocation enumerators. N.B. the order of the enumerators is
important as several tables in the AArch64 bfd backend are indexed
by these enumerators; make sure they are all synced.
+ENUM
+ BFD_RELOC_AARCH64_NULL
+ENUMDOC
+ Deprecated AArch64 null relocation code.
ENUM
BFD_RELOC_AARCH64_NONE
ENUMDOC
{
case 64:
BFD_FAIL ();
+ break;
case 32:
return &bfd_howto_32;
case 16:
BFD_FAIL ();
+ break;
default:
BFD_FAIL ();
}
+ break;
default:
BFD_FAIL ();
}
{
if (flaginfo != NULL)
{
- (*_bfd_error_handler) (_("INPUT_SECTION_FLAGS are not supported.\n"));
+ _bfd_error_handler (_("INPUT_SECTION_FLAGS are not supported.\n"));
return FALSE;
}
return TRUE;
if (reloc_count > 0)
{
arelent **parent;
+
for (parent = reloc_vector; *parent != NULL; parent++)
{
char *error_message = NULL;
bfd_reloc_status_type r;
symbol = *(*parent)->sym_ptr_ptr;
+ /* PR ld/19628: A specially crafted input file
+ can result in a NULL symbol pointer here. */
+ if (symbol == NULL)
+ {
+ link_info->callbacks->einfo
+ /* xgettext:c-format */
+ (_("%X%P: %B(%A): error: relocation for offset %V has no value\n"),
+ abfd, input_section, (* parent)->address);
+ goto error_return;
+ }
+
if (symbol->section && discarded_section (symbol->section))
{
bfd_byte *p;
switch (r)
{
case bfd_reloc_undefined:
- if (!((*link_info->callbacks->undefined_symbol)
- (link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
- input_bfd, input_section, (*parent)->address,
- TRUE)))
- goto error_return;
+ (*link_info->callbacks->undefined_symbol)
+ (link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
+ input_bfd, input_section, (*parent)->address, TRUE);
break;
case bfd_reloc_dangerous:
BFD_ASSERT (error_message != NULL);
- if (!((*link_info->callbacks->reloc_dangerous)
- (link_info, error_message, input_bfd, input_section,
- (*parent)->address)))
- goto error_return;
+ (*link_info->callbacks->reloc_dangerous)
+ (link_info, error_message,
+ input_bfd, input_section, (*parent)->address);
break;
case bfd_reloc_overflow:
- if (!((*link_info->callbacks->reloc_overflow)
- (link_info, NULL,
- bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
- (*parent)->howto->name, (*parent)->addend,
- input_bfd, input_section, (*parent)->address)))
- goto error_return;
+ (*link_info->callbacks->reloc_overflow)
+ (link_info, NULL,
+ bfd_asymbol_name (*(*parent)->sym_ptr_ptr),
+ (*parent)->howto->name, (*parent)->addend,
+ input_bfd, input_section, (*parent)->address);
break;
case bfd_reloc_outofrange:
/* PR ld/13730:
complete binaries. Do not abort, but issue an error
message instead. */
link_info->callbacks->einfo
+ /* xgettext:c-format */
(_("%X%P: %B(%A): relocation \"%R\" goes out of range\n"),
abfd, input_section, * parent);
goto error_return;
This error can result when processing a corrupt binary.
Do not abort. Issue an error message instead. */
link_info->callbacks->einfo
+ /* xgettext:c-format */
(_("%X%P: %B(%A): relocation \"%R\" is not supported\n"),
abfd, input_section, * parent);
goto error_return;
/* PR 17512; file: 90c2a92e.
Report unexpected results, without aborting. */
link_info->callbacks->einfo
+ /* xgettext:c-format */
(_("%X%P: %B(%A): relocation \"%R\" returns an unrecognized value %x\n"),
abfd, input_section, * parent, r);
break;
projects / deliverable / binutils-gdb.git / blobdiff