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@@ -153,8 +153,7 @@ struct elf_resolve *_dl_add_elf_hash_table(const char *libname,
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* This function resolves externals, and this is either called when we process
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* relocations or when we call an entry in the PLT table for the first time.
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*/
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-char *_dl_find_hash(const char *name, struct dyn_elf *rpnt1,
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- int type_class)
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+char *_dl_find_hash(const char *name, struct dyn_elf *rpnt1, int type_class)
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{
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struct elf_resolve *tpnt;
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int si;
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@@ -162,11 +161,9 @@ char *_dl_find_hash(const char *name, struct dyn_elf *rpnt1,
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char *strtab;
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Elf32_Sym *symtab;
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unsigned long elf_hash_number, hn;
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- char *weak_result;
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struct dyn_elf *rpnt;
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const ElfW(Sym) *sym;
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- weak_result = 0;
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elf_hash_number = _dl_elf_hash(name);
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@@ -207,9 +204,7 @@ char *_dl_find_hash(const char *name, struct dyn_elf *rpnt1,
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if ((type_class & ELF_RTYPE_CLASS_COPY) && tpnt->libtype == elf_executable)
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continue;
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-
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- * Avoid calling .urem here.
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- */
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+
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do_rem(hn, elf_hash_number, tpnt->nbucket);
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symtab = (Elf32_Sym *) (intptr_t) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr);
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strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
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@@ -217,28 +212,24 @@ char *_dl_find_hash(const char *name, struct dyn_elf *rpnt1,
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for (si = tpnt->elf_buckets[hn]; si != STN_UNDEF; si = tpnt->chains[si]) {
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sym = &symtab[si];
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- if (sym->st_value == 0)
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- continue;
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- if (ELF32_ST_TYPE(sym->st_info) > STT_FUNC)
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- continue;
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if (type_class & (sym->st_shndx == SHN_UNDEF))
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continue;
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if (_dl_strcmp(strtab + sym->st_name, name) != 0)
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continue;
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+ if (sym->st_value == 0)
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+ continue;
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+ if (ELF32_ST_TYPE(sym->st_info) > STT_FUNC)
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+ continue;
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switch (ELF32_ST_BIND(sym->st_info)) {
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case STB_WEAK:
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-#ifndef __LIBDL_SHARED__
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-
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-Due to a special hack in libdl.c, one must handle the _dl_ symbols
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-according to the OLD weak symbol scheme. This stuff can be deleted
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-once that hack has been fixed.
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-*/
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-
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+#if 0
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+
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+ * per what glibc does when you export LD_DYNAMIC_WEAK */
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if(_dl_symbol((char *)name)) {
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- if (!weak_result)
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- weak_result = (char *)tpnt->loadaddr + sym->st_value;
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- break;
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+ if (!weak_result)
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+ weak_result = (char *)tpnt->loadaddr + sym->st_value;
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+ break;
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}
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#endif
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case STB_GLOBAL:
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@@ -249,5 +240,5 @@ once that hack has been fixed.
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}
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}
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}
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- return weak_result;
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+ return NULL;
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}
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