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When looking up symbols, search the objects loaded at program start

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up first -- before the dlopened DAGs containing the referencing
object.

This makes dynamically loaded perl modules work properly again.
This commit is contained in:
John Polstra 1999-09-04 04:00:09 +00:00
parent 777d1f8281
commit 476015a33b
1 changed files with 8 additions and 8 deletions
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16
libexec/rtld-elf/rtld.c
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@ -743,11 +743,9 @@ find_symdef(unsigned long symnum, Obj_Entry *refobj,
}
}
/* Search all dlopened DAGs containing the referencing object. */
STAILQ_FOREACH(elm, &refobj->dldags, link) {
if (def != NULL && ELF_ST_BIND(def->st_info) != STB_WEAK)
break;
symp = symlook_list(name, hash, &elm->obj->dagmembers, &obj, in_plt);
/* Search all objects loaded at program start up. */
if (def == NULL || ELF_ST_BIND(def->st_info) == STB_WEAK) {
symp = symlook_list(name, hash, &list_main, &obj, in_plt);
if (symp != NULL &&
(def == NULL || ELF_ST_BIND(symp->st_info) != STB_WEAK)) {
def = symp;
@ -755,9 +753,11 @@ find_symdef(unsigned long symnum, Obj_Entry *refobj,
}
}
/* Search all objects loaded at program start up. */
if (def == NULL || ELF_ST_BIND(def->st_info) == STB_WEAK) {
symp = symlook_list(name, hash, &list_main, &obj, in_plt);
/* Search all dlopened DAGs containing the referencing object. */
STAILQ_FOREACH(elm, &refobj->dldags, link) {
if (def != NULL && ELF_ST_BIND(def->st_info) != STB_WEAK)
break;
symp = symlook_list(name, hash, &elm->obj->dagmembers, &obj, in_plt);
if (symp != NULL &&
(def == NULL || ELF_ST_BIND(symp->st_info) != STB_WEAK)) {
def = symp;