/* FRV-specific support for 32-bit ELF.
- Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2015 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
/* This reloc does nothing. */
HOWTO (R_FRV_NONE, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_FRV_NONE", /* name */
FALSE, /* partial_inplace */
\f
-extern const bfd_target bfd_elf32_frvfdpic_vec;
-#define IS_FDPIC(bfd) ((bfd)->xvec == &bfd_elf32_frvfdpic_vec)
+extern const bfd_target frv_elf32_fdpic_vec;
+#define IS_FDPIC(bfd) ((bfd)->xvec == &frv_elf32_fdpic_vec)
/* An extension of the elf hash table data structure, containing some
additional FRV-specific data. */
struct frvfdpic_elf_link_hash_table *ret;
bfd_size_type amt = sizeof (struct frvfdpic_elf_link_hash_table);
- ret = bfd_zalloc (abfd, amt);
+ ret = bfd_zmalloc (amt);
if (ret == NULL)
return NULL;
break;
default:
+ if (r_type >= (unsigned int) R_FRV_max)
+ {
+ _bfd_error_handler (_("%B: invalid FRV reloc number: %d"), abfd, r_type);
+ r_type = 0;
+ }
cache_ptr->howto = & elf32_frv_howto_table [r_type];
break;
}
}
else
{
- bfd_boolean warned;
+ bfd_boolean warned, ignored;
bfd_boolean unresolved_reloc;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
+ unresolved_reloc, warned, ignored);
osec = sec;
name = h->root.root.string;
}
with ldi @(grB, #gottlsoff12(symbol+offset), grC.
Preserve the packing bit. */
insn = (insn & (unsigned long)0xfe03f000)
- | (unsigned long)0x00c80000;;
+ | (unsigned long)0x00c80000;
bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
r_type = R_FRV_GOTTLSOFF12;
elf32_frvfdpic_always_size_sections (bfd *output_bfd,
struct bfd_link_info *info)
{
- if (!info->relocatable)
- {
- struct elf_link_hash_entry *h;
-
- /* Force a PT_GNU_STACK segment to be created. */
- if (! elf_tdata (output_bfd)->stack_flags)
- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
-
- /* Define __stacksize if it's not defined yet. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- if (! h || h->root.type != bfd_link_hash_defined
- || h->type != STT_OBJECT
- || !h->def_regular)
- {
- struct bfd_link_hash_entry *bh = NULL;
-
- if (!(_bfd_generic_link_add_one_symbol
- (info, output_bfd, "__stacksize",
- BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
- (const char *) NULL, FALSE,
- get_elf_backend_data (output_bfd)->collect, &bh)))
- return FALSE;
-
- h = (struct elf_link_hash_entry *) bh;
- h->def_regular = 1;
- h->type = STT_OBJECT;
- /* This one must NOT be hidden. */
- }
- }
+ if (!info->relocatable
+ && !bfd_elf_stack_segment_size (output_bfd, info,
+ "__stacksize", DEFAULT_STACK_SIZE))
+ return FALSE;
return TRUE;
}
static bfd_boolean
_frvfdpic_check_discarded_relocs (bfd *abfd, asection *sec,
struct bfd_link_info *info,
-
+
bfd_boolean *changed)
{
Elf_Internal_Shdr *symtab_hdr;
return TRUE;
}
-static bfd_boolean
-elf32_frvfdpic_modify_program_headers (bfd *output_bfd,
- struct bfd_link_info *info)
-{
- struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
- struct elf_segment_map *m;
- Elf_Internal_Phdr *p;
-
- /* objcopy and strip preserve what's already there using
- elf32_frvfdpic_copy_private_bfd_data (). */
- if (! info)
- return TRUE;
-
- for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
- if (m->p_type == PT_GNU_STACK)
- break;
-
- if (m)
- {
- struct elf_link_hash_entry *h;
-
- /* Obtain the pointer to the __stacksize symbol. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- if (h)
- {
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- BFD_ASSERT (h->root.type == bfd_link_hash_defined);
- }
-
- /* Set the header p_memsz from the symbol value. We
- intentionally ignore the symbol section. */
- if (h && h->root.type == bfd_link_hash_defined)
- p->p_memsz = h->root.u.def.value;
- else
- p->p_memsz = DEFAULT_STACK_SIZE;
-
- p->p_align = 8;
- }
-
- return TRUE;
-}
-
/* Fill in code and data in dynamic sections. */
static bfd_boolean
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref = 1;
}
switch (ELF32_R_TYPE (rel->r_info))
return TRUE;
}
-/* Copy backend specific data from one object module to another. */
-
-static bfd_boolean
-frv_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
-{
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
-
- BFD_ASSERT (!elf_flags_init (obfd)
- || elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags);
-
- elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
- elf_flags_init (obfd) = TRUE;
-
- /* Copy object attributes. */
- _bfd_elf_copy_obj_attributes (ibfd, obfd);
-
- return TRUE;
-}
-
/* Return true if the architecture described by elf header flag
EXTENSION is an extension of the architecture described by BASE. */
return FALSE;
}
-static bfd_boolean
-elf32_frvfdpic_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
-{
- unsigned i;
-
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
-
- if (! frv_elf_copy_private_bfd_data (ibfd, obfd))
- return FALSE;
-
- if (! elf_tdata (ibfd) || ! elf_tdata (ibfd)->phdr
- || ! elf_tdata (obfd) || ! elf_tdata (obfd)->phdr)
- return TRUE;
-
- /* Copy the stack size. */
- for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
- if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
- {
- Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
-
- for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
- if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
- {
- memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
-
- /* Rewrite the phdrs, since we're only called after they
- were first written. */
- if (bfd_seek (obfd, (bfd_signed_vma) get_elf_backend_data (obfd)
- ->s->sizeof_ehdr, SEEK_SET) != 0
- || get_elf_backend_data (obfd)->s
- ->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
- elf_elfheader (obfd)->e_phnum) != 0)
- return FALSE;
- break;
- }
-
- break;
- }
-
- return TRUE;
-}
-
/* Merge backend specific data from an object file to the output
object file when linking. */
hardcoded offsets and sizes listed below (and contained within
this lexical block) refer to fields in the target's elf_prstatus
struct. */
- case 268:
+ case 268:
/* `pr_cursig' is at offset 12. */
- elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+ elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
/* `pr_pid' is at offset 24. */
- elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 24);
+ elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
/* `pr_reg' is at offset 72. */
offset = 72;
and `pr_interp_fdpic_loadmap', both of which (by design)
immediately follow `pr_reg'. This will allow these fields to
be viewed by GDB as registers.
-
+
`pr_reg' is 184 bytes long. `pr_exec_fdpic_loadmap' and
`pr_interp_fdpic_loadmap' are 4 bytes each. */
raw_size = 184 + 4 + 4;
case 124:
/* `pr_fname' is found at offset 28 and is 16 bytes long. */
- elf_tdata (abfd)->core_program
+ elf_tdata (abfd)->core->program
= _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
/* `pr_psargs' is found at offset 44 and is 80 bytes long. */
- elf_tdata (abfd)->core_command
+ elf_tdata (abfd)->core->command
= _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
}
implementations, so strip it off if it exists. */
{
- char *command = elf_tdata (abfd)->core_command;
+ char *command = elf_tdata (abfd)->core->command;
int n = strlen (command);
if (0 < n && command[n - 1] == ' ')
#define ELF_MACHINE_CODE EM_CYGNUS_FRV
#define ELF_MAXPAGESIZE 0x1000
-#define TARGET_BIG_SYM bfd_elf32_frv_vec
+#define TARGET_BIG_SYM frv_elf32_vec
#define TARGET_BIG_NAME "elf32-frv"
#define elf_info_to_howto frv_info_to_howto_rela
#define elf_backend_object_p elf32_frv_object_p
#define elf_backend_add_symbol_hook elf32_frv_add_symbol_hook
+#define elf_backend_stack_align 8
#define elf_backend_can_gc_sections 1
#define elf_backend_rela_normal 1
#define bfd_elf32_bfd_reloc_type_lookup frv_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup frv_reloc_name_lookup
#define bfd_elf32_bfd_set_private_flags frv_elf_set_private_flags
-#define bfd_elf32_bfd_copy_private_bfd_data frv_elf_copy_private_bfd_data
#define bfd_elf32_bfd_merge_private_bfd_data frv_elf_merge_private_bfd_data
#define bfd_elf32_bfd_print_private_bfd_data frv_elf_print_private_bfd_data
#define ELF_MAXPAGESIZE 0x4000
#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf32_frvfdpic_vec
+#define TARGET_BIG_SYM frv_elf32_fdpic_vec
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-frvfdpic"
#undef elf32_bed
#undef elf_backend_always_size_sections
#define elf_backend_always_size_sections \
elf32_frvfdpic_always_size_sections
-#undef elf_backend_modify_program_headers
-#define elf_backend_modify_program_headers \
- elf32_frvfdpic_modify_program_headers
-#undef bfd_elf32_bfd_copy_private_bfd_data
-#define bfd_elf32_bfd_copy_private_bfd_data \
- elf32_frvfdpic_copy_private_bfd_data
#undef elf_backend_create_dynamic_sections
#define elf_backend_create_dynamic_sections \