summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/ldso/dynlink.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c
index 6ff8850c..e0013ec0 100644
--- a/src/ldso/dynlink.c
+++ b/src/ldso/dynlink.c
@@ -1,4 +1,3 @@
-#ifdef __PIC__
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -18,6 +17,10 @@
#include <ctype.h>
#include <dlfcn.h>
+static int errflag;
+
+#ifdef __PIC__
+
#include "reloc.h"
#if ULONG_MAX == 0xffffffff
@@ -631,12 +634,13 @@ void *dlopen(const char *file, int mode)
tail = orig_tail;
tail->next = 0;
p = 0;
+ } else p = load_library(file);
+
+ if (!p) {
+ errflag = 1;
goto end;
}
- p = load_library(file);
- if (!p) goto end;
-
/* First load handling */
if (!p->deps) {
load_deps(p);
@@ -674,8 +678,11 @@ static void *do_dlsym(struct dso *p, const char *s, void *ra)
if (!p) p=head;
p=p->next;
}
- if (p == head || p == RTLD_DEFAULT)
- return find_sym(head, s, 0);
+ if (p == head || p == RTLD_DEFAULT) {
+ void *res = find_sym(head, s, 0);
+ if (!res) errflag = 1;
+ return res;
+ }
h = hash(s);
sym = lookup(s, h, p->syms, p->hashtab, p->strings);
if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
@@ -686,6 +693,7 @@ static void *do_dlsym(struct dso *p, const char *s, void *ra)
if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
return p->deps[i]->base + sym->st_value;
}
+ errflag = 1;
return 0;
}
@@ -710,6 +718,8 @@ void *__dlsym(void *p, const char *s, void *ra)
char *dlerror()
{
+ if (!errflag) return 0;
+ errflag = 0;
return "unknown error";
}