From 97688568dea693a1bd1c9f7a2320f316af25a16d Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Mon, 9 Aug 2004 08:11:54 +0000
Subject: This should fix the dlsym problem Peter van Hoyweghen reported.
However RTLD_LOCAL still doesn't work. Everything is RTLD_GLOBAL.
---
ldso/libdl/libdl.c | 51 +++++++++++++++++++--------------------------------
1 file changed, 19 insertions(+), 32 deletions(-)
(limited to 'ldso/libdl')
diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c
index f20041bc2..03b7834a0 100644
--- a/ldso/libdl/libdl.c
+++ b/ldso/libdl/libdl.c
@@ -131,7 +131,7 @@ static void __attribute__ ((destructor)) dl_cleanup(void)
void *dlopen(const char *libname, int flag)
{
struct elf_resolve *tpnt, *tfrom, *tcurr;
- struct dyn_elf *dyn_chain, *rpnt = NULL;
+ struct dyn_elf *dyn_chain, *rpnt = NULL, *dyn_ptr;
struct dyn_elf *dpnt;
static int dl_init = 0;
ElfW(Addr) from;
@@ -175,7 +175,7 @@ void *dlopen(const char *libname, int flag)
&& (tfrom == NULL || tfrom->loadaddr < tpnt->loadaddr))
tfrom = tpnt;
}
-
+ for(rpnt = _dl_symbol_tables; rpnt->next; rpnt=rpnt->next);
/* Try to load the specified library */
#ifdef __SUPPORT_LD_DEBUG__
if(_dl_debug)
@@ -192,19 +192,9 @@ void *dlopen(const char *libname, int flag)
_dl_memset(dyn_chain, 0, sizeof(struct dyn_elf));
dyn_chain->dyn = tpnt;
dyn_chain->flags = flag;
- if (!tpnt->symbol_scope)
- tpnt->symbol_scope = dyn_chain;
dyn_chain->next_handle = _dl_handles;
- _dl_handles = rpnt = dyn_chain;
-
- if (tpnt->init_flag & INIT_FUNCS_CALLED) {
- /* If the init and fini stuff has already been run, that means
- * the dlopen'd library has already been loaded, and nothing
- * further needs to be done. */
- return (void *) dyn_chain;
- }
-
+ _dl_handles = dyn_ptr = dyn_chain;
#ifdef __SUPPORT_LD_DEBUG__
if(_dl_debug)
@@ -222,35 +212,32 @@ void *dlopen(const char *libname, int flag)
lpntstr = (char*) (tcurr->loadaddr + tcurr->dynamic_info[DT_STRTAB] +
dpnt->d_un.d_val);
name = _dl_get_last_path_component(lpntstr);
-
- if ((tpnt1 = _dl_check_if_named_library_is_loaded(name, 0)))
- continue;
-
+ tpnt1 = _dl_check_if_named_library_is_loaded(name, 0);
#ifdef __SUPPORT_LD_DEBUG__
if(_dl_debug)
fprintf(stderr, "Trying to load '%s', needed by '%s'\n",
lpntstr, tcurr->libname);
#endif
-
- if (!(tpnt1 = _dl_load_shared_library(0, &rpnt, tcurr, lpntstr, 0))) {
- goto oops;
+ dyn_ptr->next = (struct dyn_elf *) malloc(sizeof(struct dyn_elf));
+ _dl_memset (dyn_ptr->next, 0, sizeof (struct dyn_elf));
+ dyn_ptr = dyn_ptr->next;
+ dyn_ptr->dyn = tpnt1;
+ if (!tpnt1) {
+ tpnt1 = _dl_load_shared_library(0, &rpnt, tcurr, lpntstr, 0);
+ if (!tpnt1)
+ goto oops;
+ dyn_ptr->dyn = tpnt1;
}
-
- rpnt->next = (struct dyn_elf *) malloc(sizeof(struct dyn_elf));
- _dl_memset (rpnt->next, 0, sizeof (struct dyn_elf));
- rpnt = rpnt->next;
- if (!tpnt1->symbol_scope) tpnt1->symbol_scope = rpnt;
- rpnt->dyn = tpnt1;
-
}
}
}
- /*
- * OK, now attach the entire chain at the end
- */
- rpnt->next = _dl_symbol_tables;
-
+ if (dyn_chain->dyn->init_flag & INIT_FUNCS_CALLED) {
+ /* If the init and fini stuff has already been run, that means
+ * the dlopen'd library has already been loaded, and nothing
+ * further needs to be done. */
+ return (void *) dyn_chain;
+ }
#ifdef __mips__
/*
* Relocation of the GOT entries for MIPS have to be done
--
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