diff options
Diffstat (limited to 'bfd/elf32-arm.c')
| -rw-r--r-- | bfd/elf32-arm.c | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index 660a9909dc..f438f03e70 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -5710,6 +5710,55 @@ elf32_arm_swap_symbol_out (bfd *abfd, bfd_elf32_swap_symbol_out (abfd, src, cdst, shndx); } +/* Add the PT_ARM_EXIDX program header. */ + +static bfd_boolean +elf32_arm_modify_segment_map (bfd *abfd, + struct bfd_link_info *info ATTRIBUTE_UNUSED) +{ + struct elf_segment_map *m; + asection *sec; + + sec = bfd_get_section_by_name (abfd, ".ARM.exidx"); + if (sec != NULL && (sec->flags & SEC_LOAD) != 0) + { + /* If there is already a PT_ARM_EXIDX header, then we do not + want to add another one. This situation arises when running + "strip"; the input binary already has the header. */ + m = elf_tdata (abfd)->segment_map; + while (m && m->p_type != PT_ARM_EXIDX) + m = m->next; + if (!m) + { + m = bfd_zalloc (abfd, sizeof (struct elf_segment_map)); + if (m == NULL) + return FALSE; + m->p_type = PT_ARM_EXIDX; + m->count = 1; + m->sections[0] = sec; + + m->next = elf_tdata (abfd)->segment_map; + elf_tdata (abfd)->segment_map = m; + } + } + + return TRUE; +} + +/* We may add a PT_ARM_EXIDX program header. */ + +static int +elf32_arm_additional_program_headers (bfd *abfd) +{ + asection *sec; + + sec = bfd_get_section_by_name (abfd, ".ARM.exidx"); + if (sec != NULL && (sec->flags & SEC_LOAD) != 0) + return 1; + else + return 0; +} + /* We use this to override swap_symbol_in and swap_symbol_out. */ const struct elf_size_info elf32_arm_size_info = { sizeof (Elf32_External_Ehdr), @@ -5780,6 +5829,9 @@ const struct elf_size_info elf32_arm_size_info = { #define elf_backend_copy_indirect_symbol elf32_arm_copy_indirect_symbol #define elf_backend_symbol_processing elf32_arm_symbol_processing #define elf_backend_size_info elf32_arm_size_info +#define elf_backend_modify_segment_map elf32_arm_modify_segment_map +#define elf_backend_additional_program_headers \ + elf32_arm_additional_program_headers #define elf_backend_can_refcount 1 #define elf_backend_can_gc_sections 1 @@ -5914,8 +5966,7 @@ elf32_arm_symbian_begin_write_processing (bfd *abfd, static bfd_boolean elf32_arm_symbian_modify_segment_map (bfd *abfd, - struct bfd_link_info *info - ATTRIBUTE_UNUSED) + struct bfd_link_info *info) { struct elf_segment_map *m; asection *dynsec; @@ -5932,7 +5983,8 @@ elf32_arm_symbian_modify_segment_map (bfd *abfd, elf_tdata (abfd)->segment_map = m; } - return TRUE; + /* Also call the generic arm routine. */ + return elf32_arm_modify_segment_map (abfd, info); } #undef elf32_bed |