ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-24 05:01:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

objtool: Get rid of reloc->offset

Browse Source 
Get the offset from the embedded GElf_Rel[a] struct.

With allyesconfig + CONFIG_DEBUG_INFO:

- Before: peak heap memory consumption: 43.83G
- After:  peak heap memory consumption: 42.10G

Link: https://lore.kernel.org/r/2b9ec01178baa346a99522710bf2e82159412e3a.1685464332.git.jpoimboe@kernel.org
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
This commit is contained in:
Josh Poimboeuf
2023-05-30 10:21:06 -07:00
parent be9a4c1168
commit e4cbb9b81f
3 changed files with 18 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
tools/objtool/elf.c
View File

@@ -246,8 +246,9 @@ struct reloc *find_reloc_by_dest_range(const struct elf *elf, struct section *se
if (reloc->sec != rsec)
continue;
if (reloc->offset >= offset && reloc->offset < offset + len) {
if (!r || reloc->offset < r->offset)
if (reloc_offset(reloc) >= offset &&
reloc_offset(reloc) < offset + len) {
if (!r || reloc_offset(reloc) < reloc_offset(r))
r = reloc;
}
}
@@ -830,11 +831,12 @@ static struct reloc *elf_init_reloc(struct elf *elf, struct section *rsec,
}
reloc->sec = rsec;
reloc->offset = offset;
reloc->type = type;
reloc->sym = sym;
reloc->addend = addend;
reloc->rel.r_offset = offset;
if (elf_write_reloc(elf, reloc))
return NULL;
@@ -908,7 +910,6 @@ static int read_reloc(struct section *rsec, int i, struct reloc *reloc)
return -1;
}
reloc->offset = reloc->rel.r_offset;
reloc->type = GELF_R_TYPE(reloc->rel.r_info);
reloc->addend = rela ? reloc->rela.r_addend : 0;
@@ -1230,7 +1231,6 @@ int elf_write_reloc(struct elf *elf, struct reloc *reloc)
struct section *rsec = reloc->sec;
int ret;
reloc->rel.r_offset = reloc->offset;
reloc->rel.r_info = GELF_R_INFO(reloc->sym->idx, reloc->type);
if (rsec->sh.sh_type == SHT_RELA) {