diff options
Diffstat (limited to 'bfd/elfnn-aarch64.c')
| -rw-r--r-- | bfd/elfnn-aarch64.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c index 2157ccd..adef278 100644 --- a/bfd/elfnn-aarch64.c +++ b/bfd/elfnn-aarch64.c @@ -4414,6 +4414,7 @@ aarch64_reloc_got_type (bfd_reloc_code_real_type r_type) case BFD_RELOC_AARCH64_GOT_LD_PREL19: case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14: case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC: + case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15: case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15: case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC: return GOT_NORMAL; @@ -4963,6 +4964,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14: case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC: case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15: + case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15: case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC: base_got = globals->root.sgot; off = h->got.offset; @@ -5030,6 +5032,9 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, addend = (globals->root.sgot->output_section->vma + globals->root.sgot->output_offset); break; + case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15: + value = (value - globals->root.sgot->output_section->vma + - globals->root.sgot->output_offset); default: break; } @@ -5311,6 +5316,70 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, break; + case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15: + if (h != NULL) + value = aarch64_calculate_got_entry_vma (h, globals, info, value, + output_bfd, + unresolved_reloc_p); + else + { + struct elf_aarch64_local_symbol *locals + = elf_aarch64_locals (input_bfd); + + if (locals == NULL) + { + int howto_index = bfd_r_type - BFD_RELOC_AARCH64_RELOC_START; + (*_bfd_error_handler) + (_("%B: Local symbol descriptor table be NULL when applying " + "relocation %s against local symbol"), + input_bfd, elfNN_aarch64_howto_table[howto_index].name); + abort (); + } + + off = symbol_got_offset (input_bfd, h, r_symndx); + base_got = globals->root.sgot; + if (base_got == NULL) + abort (); + + bfd_vma got_entry_addr = (base_got->output_section->vma + + base_got->output_offset + off); + + if (!symbol_got_offset_mark_p (input_bfd, h, r_symndx)) + { + bfd_put_64 (output_bfd, value, base_got->contents + off); + + if (bfd_link_pic (info)) + { + asection *s; + Elf_Internal_Rela outrel; + + /* For local symbol, we have done absolute relocation in static + linking stage. While for share library, we need to update + the content of GOT entry according to the share objects + loading base address. So we need to generate a + R_AARCH64_RELATIVE reloc for dynamic linker. */ + s = globals->root.srelgot; + if (s == NULL) + abort (); + + outrel.r_offset = got_entry_addr; + outrel.r_info = ELFNN_R_INFO (0, AARCH64_R (RELATIVE)); + outrel.r_addend = value; + elf_append_rela (output_bfd, s, &outrel); + } + + symbol_got_offset_mark (input_bfd, h, r_symndx); + } + } + + /* Update the relocation value to GOT entry addr as we have transformed + the direct data access into indirect data access through GOT. */ + value = symbol_got_offset (input_bfd, h, r_symndx); + value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value, + 0, weak_undef_p); + *unresolved_reloc_p = FALSE; + break; + case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC: case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21: case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21: @@ -6392,6 +6461,7 @@ elfNN_aarch64_gc_sweep_hook (bfd *abfd, case BFD_RELOC_AARCH64_GOT_LD_PREL19: case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14: case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC: + case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15: case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15: case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC: case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC: @@ -6746,6 +6816,7 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info, case BFD_RELOC_AARCH64_JUMP26: case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14: case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC: + case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15: case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15: case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC: case BFD_RELOC_AARCH64_NN: @@ -6859,6 +6930,7 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info, case BFD_RELOC_AARCH64_GOT_LD_PREL19: case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14: case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC: + case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15: case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15: case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC: case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC: |