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authorAndreas Jaeger <aj@suse.de>2000-04-14 00:35:39 +0000
committerAndreas Jaeger <aj@suse.de>2000-04-14 00:35:39 +0000
commit12c4efc1d077a571369447867b348f136ab66eb2 (patch)
tree2d5e899ad3e68eccd6dc102dcbb0d5f1c40a13fa /sysdeps/mips
parent043351e023f7ef40e955e450ffdbe8dcbaecbd6c (diff)
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2000-04-13 Andreas Jaeger <aj@suse.de>
* sysdeps/mips/dl-machine.h (elf_machine_got_rel): Handle symbol versioning.
Diffstat (limited to 'sysdeps/mips')
-rw-r--r--sysdeps/mips/dl-machine.h65
1 files changed, 47 insertions, 18 deletions
diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h
index 960b6b78d1..0d971e23d0 100644
--- a/sysdeps/mips/dl-machine.h
+++ b/sysdeps/mips/dl-machine.h
@@ -485,18 +485,46 @@ elf_machine_got_rel (struct link_map *map, int lazy)
{
ElfW(Addr) *got;
ElfW(Sym) *sym;
- int i, n;
+ int i, n, symidx;
const char *strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
+ /* This function is loaded in dl-reloc as a nested function and can
+ therefore access the variable scope from _dl_relocate_object. */
+#ifdef RTLD_BOOTSTRAP
+# define RESOLVE_GOTSYM(sym,sym_index) 0
+#else
/* FIXME: The macro RESOLVE_GOTSYM is not handling versioning. */
-#define RESOLVE_GOTSYM(sym) \
- ({ \
- const ElfW(Sym) *ref = sym; \
- ElfW(Addr) sym_loadaddr; \
- sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, map, \
- &ref, map->l_scope, \
- R_MIPS_REL32); \
- (ref)? sym_loadaddr + ref->st_value: 0; \
+# define RESOLVE_GOTSYM(sym,sym_index) \
+ ({ \
+ const ElfW(Sym) *ref = sym; \
+ ElfW(Addr) value; \
+ \
+ switch (map->l_info[VERSYMIDX (DT_VERSYM)] != NULL) \
+ { \
+ default: \
+ { \
+ const ElfW(Half) *vernum = \
+ (const void *) D_PTR (map, l_info[VERSYMIDX (DT_VERSYM)]); \
+ ElfW(Half) ndx = vernum[sym_index]; \
+ const struct r_found_version *version = &l->l_versions[ndx]; \
+ \
+ if (version->hash != 0) \
+ { \
+ value = _dl_lookup_versioned_symbol(strtab + sym->st_name, \
+ map, \
+ &ref, scope, version, \
+ R_MIPS_REL32); \
+ break; \
+ } \
+ /* Fall through. */ \
+ } \
+ case 0: \
+ value = _dl_lookup_symbol (strtab + sym->st_name, map, &ref, \
+ scope, R_MIPS_REL32); \
+ } \
+ \
+ (ref)? value + ref->st_value: 0; \
})
+#endif /* RTLD_BOOTSTRAP */
got = (ElfW(Addr) *) D_PTR (map, l_info[DT_PLTGOT]);
@@ -510,8 +538,6 @@ elf_machine_got_rel (struct link_map *map, int lazy)
while (i < n)
got[i++] += map->l_addr;
}
- else
- i = n;
/* Handle global got entries. */
got += n;
@@ -519,7 +545,9 @@ elf_machine_got_rel (struct link_map *map, int lazy)
sym += map->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;
i = (map->l_info[DT_MIPS (SYMTABNO)]->d_un.d_val
- map->l_info[DT_MIPS (GOTSYM)]->d_un.d_val);
-
+ /* Keep track of the symbol index. */
+ symidx = n;
+
while (i--)
{
if (sym->st_shndx == SHN_UNDEF)
@@ -529,13 +557,13 @@ elf_machine_got_rel (struct link_map *map, int lazy)
if (sym->st_value && lazy)
*got = sym->st_value + map->l_addr;
else
- *got = RESOLVE_GOTSYM (sym);
+ *got = RESOLVE_GOTSYM (sym, symidx);
}
else /* if (*got == 0 || *got == QS) */
- *got = RESOLVE_GOTSYM (sym);
+ *got = RESOLVE_GOTSYM (sym, symidx);
}
else if (sym->st_shndx == SHN_COMMON)
- *got = RESOLVE_GOTSYM (sym);
+ *got = RESOLVE_GOTSYM (sym, symidx);
else if (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC
&& *got != sym->st_value
&& lazy)
@@ -546,10 +574,11 @@ elf_machine_got_rel (struct link_map *map, int lazy)
*got += map->l_addr;
}
else
- *got = RESOLVE_GOTSYM (sym);
+ *got = RESOLVE_GOTSYM (sym, symidx);
- got++;
- sym++;
+ ++got;
+ ++sym;
+ ++symidx;
}
#undef RESOLVE_GOTSYM