diff options
Diffstat (limited to 'bfd/elf32-arm.c')
| -rw-r--r-- | bfd/elf32-arm.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index a7964c1..04e776c 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -18266,6 +18266,24 @@ elf32_arm_copy_special_section_fields (const bfd *ibfd ATTRIBUTE_UNUSED, return FALSE; } +/* Make sure that mapping symbols in object files are not removed via the + "strip --strip-unneeded" tool. These symbols are needed in order to + correctly generate interworking veneers, and for byte swapping code + regions. Once an object file has been linked, it is safe to remove the + symbols as they will no longer be needed. */ + +static void +elf32_arm_backend_symbol_processing (bfd *abfd, asymbol *sym) +{ + if (((abfd->flags & (EXEC_P | DYNAMIC)) == 0) + && sym->name != NULL + && sym->section != bfd_abs_section_ptr + && (strcmp (sym->name, "$a") == 0 + || strcmp (sym->name, "$t") == 0 + || strcmp (sym->name, "$d") == 0)) + sym->flags |= BSF_KEEP; +} + #undef elf_backend_copy_special_section_fields #define elf_backend_copy_special_section_fields elf32_arm_copy_special_section_fields @@ -18324,6 +18342,7 @@ elf32_arm_copy_special_section_fields (const bfd *ibfd ATTRIBUTE_UNUSED, #define elf_backend_begin_write_processing elf32_arm_begin_write_processing #define elf_backend_add_symbol_hook elf32_arm_add_symbol_hook #define elf_backend_count_additional_relocs elf32_arm_count_additional_relocs +#define elf_backend_symbol_processing elf32_arm_backend_symbol_processing #define elf_backend_can_refcount 1 #define elf_backend_can_gc_sections 1 |