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Fix slow loading times for small ELF sample ##bin

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pancake 2022-02-18 12:38:46 +01:00 committed by GitHub
parent eccee9beb7
commit b550b267a3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 3 deletions
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19
libr/bin/format/elf/elf.c
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@ -956,7 +956,6 @@ static Sdb *store_versioninfo_gnu_verdef(ELFOBJ *bin, Elf_(Shdr) *shdr, int sz)
const char *link_section_name = "";
char *end = NULL;
ut8 dfs[sizeof (Elf_(Verdef))] = { 0 };
Sdb *sdb;
ut32 cnt;
size_t i;
if (shdr->sh_link >= bin->ehdr.e_shnum) {
@ -984,8 +983,22 @@ static Sdb *store_versioninfo_gnu_verdef(ELFOBJ *bin, Elf_(Shdr) *shdr, int sz)
if (link_shdr && bin->shstrtab && link_shdr->sh_name < bin->shstrtab_size) {
link_section_name = &bin->shstrtab[link_shdr->sh_name];
}
sdb = sdb_new0 ();
end = (char *)defs + shdr->sh_size;
Sdb *sdb = sdb_new0 ();
if (!sdb) {
return false;
}
size_t shsize = shdr->sh_size;
if (shdr->sh_size > bin->size) {
if (bin->verbose) {
eprintf ("Truncating shsize from %d to %d\n", (int)shdr->sh_size, (int)bin->size);
}
if (bin->size > shdr->sh_offset) {
shsize = bin->size - shdr->sh_offset;
} else {
shsize = bin->size;
}
}
end = (char *)defs + shsize; //& shdr->sh_size;
sdb_set (sdb, "section_name", section_name, 0);
sdb_num_set (sdb, "entries", shdr->sh_info, 0);
sdb_num_set (sdb, "addr", shdr->sh_addr, 0);