diff options
Diffstat (limited to 'binutils-2.25/bfd/elf32-arm.c')
| -rw-r--r-- | binutils-2.25/bfd/elf32-arm.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/binutils-2.25/bfd/elf32-arm.c b/binutils-2.25/bfd/elf32-arm.c index c507e4f..bbda298 100644 --- a/binutils-2.25/bfd/elf32-arm.c +++ b/binutils-2.25/bfd/elf32-arm.c @@ -11746,10 +11746,14 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd) /* This needs to happen before Tag_ABI_FP_number_model is merged. */ if (in_attr[Tag_ABI_VFP_args].i != out_attr[Tag_ABI_VFP_args].i) { - /* Ignore mismatches if the object doesn't use floating point. */ - if (out_attr[Tag_ABI_FP_number_model].i == 0) + /* Ignore mismatches if the object doesn't use floating point or is + floating point ABI independent. */ + if (out_attr[Tag_ABI_FP_number_model].i == AEABI_FP_number_model_none + || (in_attr[Tag_ABI_FP_number_model].i != AEABI_FP_number_model_none + && out_attr[Tag_ABI_VFP_args].i == AEABI_VFP_args_compatible)) out_attr[Tag_ABI_VFP_args].i = in_attr[Tag_ABI_VFP_args].i; - else if (in_attr[Tag_ABI_FP_number_model].i != 0) + else if (in_attr[Tag_ABI_FP_number_model].i != AEABI_FP_number_model_none + && in_attr[Tag_ABI_VFP_args].i != AEABI_VFP_args_compatible) { _bfd_error_handler (_("error: %B uses VFP register arguments, %B does not"), @@ -14713,7 +14717,7 @@ elf32_arm_post_process_headers (bfd * abfd, struct bfd_link_info * link_info ATT && ((i_ehdrp->e_type == ET_DYN) || (i_ehdrp->e_type == ET_EXEC))) { int abi = bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC, Tag_ABI_VFP_args); - if (abi) + if (abi == AEABI_VFP_args_vfp) i_ehdrp->e_flags |= EF_ARM_ABI_FLOAT_HARD; else i_ehdrp->e_flags |= EF_ARM_ABI_FLOAT_SOFT; @@ -15958,6 +15962,26 @@ const struct elf_size_info elf32_arm_size_info = bfd_elf32_swap_reloca_out }; +static bfd_vma +read_code32 (const bfd *abfd, const bfd_byte *addr) +{ + /* V7 BE8 code is always little endian. */ + if ((elf_elfheader (abfd)->e_flags & EF_ARM_BE8) != 0) + return bfd_getl32 (addr); + + return bfd_get_32 (abfd, addr); +} + +static bfd_vma +read_code16 (const bfd *abfd, const bfd_byte *addr) +{ + /* V7 BE8 code is always little endian. */ + if ((elf_elfheader (abfd)->e_flags & EF_ARM_BE8) != 0) + return bfd_getl16 (addr); + + return bfd_get_16 (abfd, addr); +} + /* Return size of plt0 entry starting at ADDR or (bfd_vma) -1 if size can not be determined. */ @@ -15967,7 +15991,7 @@ elf32_arm_plt0_size (const bfd *abfd, const bfd_byte *addr) bfd_vma first_word; bfd_vma plt0_size; - first_word = H_GET_32 (abfd, addr); + first_word = read_code32 (abfd, addr); if (first_word == elf32_arm_plt0_entry[0]) plt0_size = 4 * ARRAY_SIZE (elf32_arm_plt0_entry); @@ -15992,17 +16016,17 @@ elf32_arm_plt_size (const bfd *abfd, const bfd_byte *start, bfd_vma offset) const bfd_byte *addr = start + offset; /* PLT entry size if fixed on Thumb-only platforms. */ - if (H_GET_32(abfd, start) == elf32_thumb2_plt0_entry[0]) + if (read_code32 (abfd, start) == elf32_thumb2_plt0_entry[0]) return 4 * ARRAY_SIZE (elf32_thumb2_plt_entry); /* Respect Thumb stub if necessary. */ - if (H_GET_16(abfd, addr) == elf32_arm_plt_thumb_stub[0]) + if (read_code16 (abfd, addr) == elf32_arm_plt_thumb_stub[0]) { plt_size += 2 * ARRAY_SIZE(elf32_arm_plt_thumb_stub); } /* Strip immediate from first add. */ - first_insn = H_GET_32(abfd, addr + plt_size) & 0xffffff00; + first_insn = read_code32 (abfd, addr + plt_size) & 0xffffff00; #ifdef FOUR_WORD_PLT if (first_insn == elf32_arm_plt_entry[0]) @@ -16219,6 +16243,7 @@ elf32_arm_get_synthetic_symtab (bfd *abfd, becaus elf32_arm_plt_entry isn't defined when FOUR_WORD_PLT isn't defined where elf32_arm_plt_entry_short and elf32_arm_plt_entry_long are defined instead. */ + #undef elf_backend_plt_sym_val #define elf_backend_plt_sym_val elf32_arm_plt_sym_val |