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-rw-r--r--toolchain/uClibc/patches/rpath-origin.patch174
1 files changed, 174 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches/rpath-origin.patch b/toolchain/uClibc/patches/rpath-origin.patch
new file mode 100644
index 000000000..c2bd2e8ab
--- /dev/null
+++ b/toolchain/uClibc/patches/rpath-origin.patch
@@ -0,0 +1,174 @@
+diff -Nur uClibc-0.9.32.orig//ldso/ldso/dl-elf.c uClibc-0.9.32/ldso/ldso/dl-elf.c
+--- uClibc-0.9.32.orig//ldso/ldso/dl-elf.c 2011-06-08 21:35:20.000000000 +0200
++++ uClibc-0.9.32/ldso/ldso/dl-elf.c 2011-08-09 11:19:18.325314589 +0200
+@@ -133,53 +133,59 @@
+ * in uClibc/ldso/util/ldd.c */
+ static struct elf_resolve *
+ search_for_named_library(const char *name, int secure, const char *path_list,
+- struct dyn_elf **rpnt)
++ struct dyn_elf **rpnt, const char *origin)
+ {
+- char *path, *path_n, *mylibname;
++ char *mylibname;
++ const char *p, *pn;
+ struct elf_resolve *tpnt;
+- int done;
++ int plen;
+
+ if (path_list==NULL)
+ return NULL;
+
+- /* We need a writable copy of this string, but we don't
+- * need this allocated permanently since we don't want
+- * to leak memory, so use alloca to put path on the stack */
+- done = _dl_strlen(path_list);
+- path = alloca(done + 1);
+-
+ /* another bit of local storage */
+ mylibname = alloca(2050);
+
+- _dl_memcpy(path, path_list, done+1);
+-
+ /* Unlike ldd.c, don't bother to eliminate double //s */
+
+ /* Replace colons with zeros in path_list */
+ /* : at the beginning or end of path maps to CWD */
+ /* :: anywhere maps CWD */
+ /* "" maps to CWD */
+- done = 0;
+- path_n = path;
+- do {
+- if (*path == 0) {
+- *path = ':';
+- done = 1;
++ for (p = path_list; p != NULL; p = pn) {
++ pn = _dl_strchr(p + 1, ':');
++ if (pn != NULL) {
++ plen = pn - p;
++ pn++;
++ } else
++ plen = _dl_strlen(p);
++
++ if (plen >= 7 && _dl_memcmp(p, "$ORIGIN", 7) == 0) {
++ int olen;
++ if (secure && plen != 7)
++ continue;
++ if (origin == NULL)
++ continue;
++ for (olen = _dl_strlen(origin) - 1; olen >= 0 && origin[olen] != '/'; olen--)
++ ;
++ if (olen <= 0)
++ continue;
++ _dl_memcpy(&mylibname[0], origin, olen);
++ _dl_memcpy(&mylibname[olen], p + 7, plen - 7);
++ mylibname[olen + plen - 7] = 0;
++ } else if (plen != 0) {
++ _dl_memcpy(mylibname, p, plen);
++ mylibname[plen] = 0;
++ } else {
++ _dl_strcpy(mylibname, ".");
+ }
+- if (*path == ':') {
+- *path = 0;
+- if (*path_n)
+- _dl_strcpy(mylibname, path_n);
+- else
+- _dl_strcpy(mylibname, "."); /* Assume current dir if empty path */
+- _dl_strcat(mylibname, "/");
+- _dl_strcat(mylibname, name);
+- if ((tpnt = _dl_load_elf_shared_library(secure, rpnt, mylibname)) != NULL)
+- return tpnt;
+- path_n = path+1;
+- }
+- path++;
+- } while (!done);
++ _dl_strcat(mylibname, "/");
++ _dl_strcat(mylibname, name);
++
++ tpnt = _dl_load_elf_shared_library(secure, rpnt, mylibname);
++ if (tpnt != NULL)
++ return tpnt;
++ }
+ return NULL;
+ }
+
+@@ -231,7 +237,7 @@
+ if (pnt) {
+ pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB];
+ _dl_if_debug_dprint("\tsearching RPATH='%s'\n", pnt);
+- if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt)) != NULL)
++ if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt, tpnt->libname)) != NULL)
+ return tpnt1;
+ }
+ #endif
+@@ -239,7 +245,7 @@
+ /* Check in LD_{ELF_}LIBRARY_PATH, if specified and allowed */
+ if (_dl_library_path) {
+ _dl_if_debug_dprint("\tsearching LD_LIBRARY_PATH='%s'\n", _dl_library_path);
+- if ((tpnt1 = search_for_named_library(libname, secure, _dl_library_path, rpnt)) != NULL)
++ if ((tpnt1 = search_for_named_library(libname, secure, _dl_library_path, rpnt, NULL)) != NULL)
+ {
+ return tpnt1;
+ }
+@@ -253,7 +259,7 @@
+ if (pnt) {
+ pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB];
+ _dl_if_debug_dprint("\tsearching RUNPATH='%s'\n", pnt);
+- if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt)) != NULL)
++ if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt, NULL)) != NULL)
+ return tpnt1;
+ }
+ #endif
+@@ -287,7 +293,7 @@
+ /* Look for libraries wherever the shared library loader
+ * was installed */
+ _dl_if_debug_dprint("\tsearching ldso dir='%s'\n", _dl_ldsopath);
+- tpnt1 = search_for_named_library(libname, secure, _dl_ldsopath, rpnt);
++ tpnt1 = search_for_named_library(libname, secure, _dl_ldsopath, rpnt, NULL);
+ if (tpnt1 != NULL)
+ return tpnt1;
+
+@@ -300,7 +306,7 @@
+ #ifndef __LDSO_CACHE_SUPPORT__
+ ":" UCLIBC_RUNTIME_PREFIX "usr/X11R6/lib"
+ #endif
+- , rpnt);
++ , rpnt, NULL);
+ if (tpnt1 != NULL)
+ return tpnt1;
+
+diff -Nur uClibc-0.9.32.orig//ldso/ldso/ldso.c uClibc-0.9.32/ldso/ldso/ldso.c
+--- uClibc-0.9.32.orig//ldso/ldso/ldso.c 2011-06-08 21:35:20.000000000 +0200
++++ uClibc-0.9.32/ldso/ldso/ldso.c 2011-08-09 11:15:04.135386129 +0200
+@@ -272,6 +272,20 @@
+ }
+ }
+
++static void _dl_setup_progname(const char *argv0)
++{
++ char image[PATH_MAX];
++ ssize_t s;
++
++ s = _dl_readlink("/proc/self/exe", image, sizeof(image));
++ if (s > 0 && image[0] == '/') {
++ image[s] = 0;
++ _dl_progname = _dl_strdup(image);
++ } else if (argv0) {
++ _dl_progname = argv0;
++ }
++}
++
+ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr,
+ ElfW(auxv_t) auxvt[AT_EGID + 1], char **envp,
+ char **argv
+@@ -321,9 +335,7 @@
+ * been fixed up by now. Still no function calls outside of this
+ * library, since the dynamic resolver is not yet ready.
+ */
+- if (argv[0]) {
+- _dl_progname = argv[0];
+- }
++ _dl_setup_progname(argv[0]);
+
+ if (_start == (void *) auxvt[AT_ENTRY].a_un.a_val) {
+ _dl_dprintf(_dl_debug_file, "Standalone execution is not supported yet\n");