diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index cbbba153f4..7d36e23ea1 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -1503,6 +1503,12 @@ struct elf_backend_data /* Opcode representing no unwind. */ int (*cant_unwind_opcode) (struct bfd_link_info *); + /* Called when emitting an ELF symbol whoes input version had an + ST_SHNDX field set to a value in the range SHN_LOPROC..SHN_HIOS. + Returns the value to be installed in the ST_SHNDX field of the + emitted symbol. If not defined, the value is left unchanged. */ + unsigned int (*symbol_section_index) (bfd *, elf_symbol_type *); + /* This is non-zero if static TLS segments require a special alignment. */ unsigned static_tls_alignment; diff --git a/bfd/elf.c b/bfd/elf.c index deb93b0a5a..4342e84752 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -8194,9 +8194,26 @@ swap_out_syms (bfd *abfd, if (elf_symtab_shndx_list (abfd)) shndx = elf_symtab_shndx_list (abfd)->ndx; break; - default: + case SHN_COMMON: + case SHN_ABS: shndx = SHN_ABS; break; + default: + if (shndx >= SHN_LOPROC && shndx <= SHN_HIOS) + { + if (bed->symbol_section_index) + shndx = bed->symbol_section_index (abfd, type_ptr); + /* Otherwise just leave the index alone. */ + } + else + { + if (shndx > SHN_HIOS && shndx < SHN_HIRESERVE) + _bfd_error_handler (_("%pB: \ +Unable to handle section index %x in ELF symbol. Using ABS instead."), + abfd, shndx); + shndx = SHN_ABS; + } + break; } } else diff --git a/bfd/elfxx-target.h b/bfd/elfxx-target.h index caca83f5c9..e9cac0a535 100644 --- a/bfd/elfxx-target.h +++ b/bfd/elfxx-target.h @@ -769,6 +769,10 @@ #define elf_backend_cant_unwind_opcode 0 #endif +#ifndef elf_backend_symbol_section_index +#define elf_backend_symbol_section_index NULL +#endif + #ifndef elf_match_priority #define elf_match_priority \ (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0) @@ -895,6 +899,7 @@ static struct elf_backend_data elfNN_bed = elf_backend_fixup_gnu_properties, elf_backend_compact_eh_encoding, elf_backend_cant_unwind_opcode, + elf_backend_symbol_section_index, elf_backend_static_tls_alignment, elf_backend_stack_align, elf_backend_strtab_flags,