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authormarha <marha@users.sourceforge.net>2010-03-30 12:36:28 +0000
committermarha <marha@users.sourceforge.net>2010-03-30 12:36:28 +0000
commitff48c0d9098080b51ea12710029135916d117806 (patch)
tree96e6af9caf170ba21a1027b24e306a07e27d7b75 /openssl/crypto/dso/dso_dl.c
parentbb731f5ac92655c4860a41fa818a7a63005f8369 (diff)
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svn merge -r514:HEAD ^/branches/released .
Diffstat (limited to 'openssl/crypto/dso/dso_dl.c')
-rw-r--r--openssl/crypto/dso/dso_dl.c42
1 files changed, 41 insertions, 1 deletions
diff --git a/openssl/crypto/dso/dso_dl.c b/openssl/crypto/dso/dso_dl.c
index 417abb6ea..fc4236bd9 100644
--- a/openssl/crypto/dso/dso_dl.c
+++ b/openssl/crypto/dso/dso_dl.c
@@ -85,6 +85,8 @@ static int dl_ctrl(DSO *dso, int cmd, long larg, void *parg);
#endif
static char *dl_name_converter(DSO *dso, const char *filename);
static char *dl_merger(DSO *dso, const char *filespec1, const char *filespec2);
+static int dl_pathbyaddr(void *addr,char *path,int sz);
+static void *dl_globallookup(const char *name);
static DSO_METHOD dso_meth_dl = {
"OpenSSL 'dl' shared library method",
@@ -101,7 +103,9 @@ static DSO_METHOD dso_meth_dl = {
dl_name_converter,
dl_merger,
NULL, /* init */
- NULL /* finish */
+ NULL, /* finish */
+ dl_pathbyaddr,
+ dl_globallookup
};
DSO_METHOD *DSO_METHOD_dl(void)
@@ -350,4 +354,40 @@ static char *dl_name_converter(DSO *dso, const char *filename)
return(translated);
}
+static int dl_pathbyaddr(void *addr,char *path,int sz)
+ {
+ struct shl_descriptor inf;
+ int i,len;
+
+ if (addr == NULL)
+ {
+ union { int(*f)(void*,char*,int); void *p; } t =
+ { dl_pathbyaddr };
+ addr = t.p;
+ }
+
+ for (i=-1;shl_get_r(i,&inf)==0;i++)
+ {
+ if (((size_t)addr >= inf.tstart && (size_t)addr < inf.tend) ||
+ ((size_t)addr >= inf.dstart && (size_t)addr < inf.dend))
+ {
+ len = (int)strlen(inf.filename);
+ if (sz <= 0) return len+1;
+ if (len >= sz) len=sz-1;
+ memcpy(path,inf.filename,len);
+ path[len++] = 0;
+ return len;
+ }
+ }
+
+ return -1;
+ }
+
+static void *dl_globallookup(const char *name)
+ {
+ void *ret;
+ shl_t h = NULL;
+
+ return shl_findsym(&h,name,TYPE_UNDEFINED,&ret) ? NULL : ret;
+ }
#endif /* DSO_DL */