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| author | mengqinggang <mengqinggang@loongson.cn> | 2023-11-16 19:19:12 +0800 |
|---|---|---|
| committer | liuzhensong <liuzhensong@loongson.cn> | 2023-11-17 16:38:53 +0800 |
| commit | 4e94082d95e046f357409cd689ffeedd60f6c673 (patch) | |
| tree | b65eabd9d5dbdc84646a31948cda08114ac91b7d | |
| parent | 363174776d13db9f35f2e54d8f7f5e34b64acbee (diff) | |
| download | gdb-4e94082d95e046f357409cd689ffeedd60f6c673.zip gdb-4e94082d95e046f357409cd689ffeedd60f6c673.tar.gz gdb-4e94082d95e046f357409cd689ffeedd60f6c673.tar.bz2 | |
LoongArch: Directly delete relaxed instuctions in first relaxation pass
Directly delete relaxed instuctions in first relaxation pass, not use
R_LARCH_DELETE relocation. If not, the PC-relative offset may increase.
| -rw-r--r-- | bfd/elfnn-loongarch.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/bfd/elfnn-loongarch.c b/bfd/elfnn-loongarch.c index 1162cb3..9d4ea7e 100644 --- a/bfd/elfnn-loongarch.c +++ b/bfd/elfnn-loongarch.c @@ -3739,7 +3739,8 @@ loongarch_relax_delete_bytes (bfd *abfd, /* Relax pcalau12i,addi.d => pcaddi. */ static bool loongarch_relax_pcala_addi (bfd *abfd, asection *sec, - Elf_Internal_Rela *rel_hi, bfd_vma symval) + Elf_Internal_Rela *rel_hi, bfd_vma symval, + struct bfd_link_info *info) { bfd_byte *contents = elf_section_data (sec)->this_hdr.contents; Elf_Internal_Rela *rel_lo = rel_hi + 2; @@ -3771,8 +3772,9 @@ loongarch_relax_pcala_addi (bfd *abfd, asection *sec, /* Adjust relocations. */ rel_hi->r_info = ELFNN_R_INFO (ELFNN_R_SYM (rel_hi->r_info), R_LARCH_PCREL20_S2); - rel_lo->r_info = ELFNN_R_INFO (ELFNN_R_SYM (rel_hi->r_info), - R_LARCH_DELETE); + rel_lo->r_info = ELFNN_R_INFO (0, R_LARCH_NONE); + + loongarch_relax_delete_bytes (abfd, sec, rel_lo->r_offset, 4, info); return true; } @@ -4004,14 +4006,14 @@ loongarch_elf_relax_section (bfd *abfd, asection *sec, break; case R_LARCH_PCALA_HI20: if (0 == info->relax_pass && (i + 4) <= sec->reloc_count) - loongarch_relax_pcala_addi (abfd, sec, rel, symval); + loongarch_relax_pcala_addi (abfd, sec, rel, symval, info); break; case R_LARCH_GOT_PC_HI20: if (local_got && 0 == info->relax_pass && (i + 4) <= sec->reloc_count) { if (loongarch_relax_pcala_ld (abfd, sec, rel)) - loongarch_relax_pcala_addi (abfd, sec, rel, symval); + loongarch_relax_pcala_addi (abfd, sec, rel, symval, info); } break; default: |