aboutsummaryrefslogtreecommitdiff
path: root/bfd
diff options
context:
space:
mode:
authormengqinggang <mengqinggang@loongson.cn>2023-11-16 19:19:12 +0800
committerliuzhensong <liuzhensong@loongson.cn>2023-11-17 16:38:53 +0800
commit4e94082d95e046f357409cd689ffeedd60f6c673 (patch)
treeb65eabd9d5dbdc84646a31948cda08114ac91b7d /bfd
parent363174776d13db9f35f2e54d8f7f5e34b64acbee (diff)
downloadgdb-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.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/elfnn-loongarch.c12
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: