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-rw-r--r--meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch215
1 files changed, 0 insertions, 215 deletions
diff --git a/meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch b/meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch
deleted file mode 100644
index 30cb7f6ef6..0000000000
--- a/meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch
+++ /dev/null
@@ -1,215 +0,0 @@
1Patch is backported from
2http://lists.busybox.net/pipermail/uclibc/2011-March/045004.html
3
4Upstream-Status: Pending
5
6diff --git a/ldso/include/dl-elf.h b/ldso/include/dl-elf.h
7index 7fbb373..7102351 100644
8--- a/ldso/include/dl-elf.h
9+++ b/ldso/include/dl-elf.h
10@@ -25,16 +25,18 @@ static __inline__ void _dl_map_cache(void) { }
11 static __inline__ void _dl_unmap_cache(void) { }
12 #endif
13
14+#define DL_RESOLVE_SECURE 0x0001
15+#define DL_RESOLVE_NOLOAD 0x0002
16
17 /* Function prototypes for non-static stuff in readelflib1.c */
18 extern void _dl_parse_lazy_relocation_information(struct dyn_elf *rpnt,
19 unsigned long rel_addr, unsigned long rel_size);
20 extern int _dl_parse_relocation_information(struct dyn_elf *rpnt,
21 unsigned long rel_addr, unsigned long rel_size);
22-extern struct elf_resolve * _dl_load_shared_library(int secure,
23+extern struct elf_resolve * _dl_load_shared_library(int resolve_flags,
24 struct dyn_elf **rpnt, struct elf_resolve *tpnt, char *full_libname,
25 int trace_loaded_objects);
26-extern struct elf_resolve * _dl_load_elf_shared_library(int secure,
27+extern struct elf_resolve * _dl_load_elf_shared_library(int resolve_flags,
28 struct dyn_elf **rpnt, char *libname);
29 extern struct elf_resolve *_dl_check_if_named_library_is_loaded(const char *full_libname,
30 int trace_loaded_objects);
31diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c
32index 2b2d429..6d35bf2 100644
33--- a/ldso/ldso/dl-elf.c
34+++ b/ldso/ldso/dl-elf.c
35@@ -132,7 +132,7 @@ _dl_protect_relro (struct elf_resolve *l)
36 /* This function's behavior must exactly match that
37 * in uClibc/ldso/util/ldd.c */
38 static struct elf_resolve *
39-search_for_named_library(const char *name, int secure, const char *path_list,
40+search_for_named_library(const char *name, int resolve_flags, const char *path_list,
41 struct dyn_elf **rpnt, const char *origin)
42 {
43 char *mylibname;
44@@ -162,7 +162,7 @@ search_for_named_library(const char *name, int secure, const char *path_list,
45
46 if (plen >= 7 && _dl_memcmp(p, "$ORIGIN", 7) == 0) {
47 int olen;
48- if (secure && plen != 7)
49+ if ((resolve_flags & DL_RESOLVE_SECURE) && plen != 7)
50 continue;
51 if (origin == NULL)
52 continue;
53@@ -182,7 +182,7 @@ search_for_named_library(const char *name, int secure, const char *path_list,
54 _dl_strcat(mylibname, "/");
55 _dl_strcat(mylibname, name);
56
57- tpnt = _dl_load_elf_shared_library(secure, rpnt, mylibname);
58+ tpnt = _dl_load_elf_shared_library(resolve_flags, rpnt, mylibname);
59 if (tpnt != NULL)
60 return tpnt;
61 }
62@@ -194,7 +194,7 @@ search_for_named_library(const char *name, int secure, const char *path_list,
63 unsigned long _dl_error_number;
64 unsigned long _dl_internal_error_number;
65
66-struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt,
67+struct elf_resolve *_dl_load_shared_library(int resolve_flags, struct dyn_elf **rpnt,
68 struct elf_resolve *tpnt, char *full_libname, int attribute_unused trace_loaded_objects)
69 {
70 char *pnt;
71@@ -223,7 +223,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt,
72
73 if (libname != full_libname) {
74 _dl_if_debug_dprint("\ttrying file='%s'\n", full_libname);
75- tpnt1 = _dl_load_elf_shared_library(secure, rpnt, full_libname);
76+ tpnt1 = _dl_load_elf_shared_library(resolve_flags, rpnt, full_libname);
77 if (tpnt1) {
78 return tpnt1;
79 }
80@@ -238,7 +238,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt,
81 if (pnt) {
82 pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB];
83 _dl_if_debug_dprint("\tsearching RPATH='%s'\n", pnt);
84- if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt,
85+ if ((tpnt1 = search_for_named_library(libname, resolve_flags, pnt, rpnt,
86 tpnt->libname)) != NULL)
87 return tpnt1;
88 }
89@@ -247,7 +247,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt,
90 /* Check in LD_{ELF_}LIBRARY_PATH, if specified and allowed */
91 if (_dl_library_path) {
92 _dl_if_debug_dprint("\tsearching LD_LIBRARY_PATH='%s'\n", _dl_library_path);
93- if ((tpnt1 = search_for_named_library(libname, secure, _dl_library_path, rpnt, NULL)) != NULL)
94+ if ((tpnt1 = search_for_named_library(libname, resolve_flags, _dl_library_path, rpnt, NULL)) != NULL)
95 {
96 return tpnt1;
97 }
98@@ -261,7 +261,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt,
99 if (pnt) {
100 pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB];
101 _dl_if_debug_dprint("\tsearching RUNPATH='%s'\n", pnt);
102- if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt, NULL)) != NULL)
103+ if ((tpnt1 = search_for_named_library(libname, resolve_flags, pnt, rpnt, NULL)) != NULL)
104 return tpnt1;
105 }
106 #endif
107@@ -284,7 +284,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt,
108 || libent[i].flags == LIB_ELF_LIBC0
109 || libent[i].flags == LIB_ELF_LIBC5)
110 && _dl_strcmp(libname, strs + libent[i].sooffset) == 0
111- && (tpnt1 = _dl_load_elf_shared_library(secure, rpnt, strs + libent[i].liboffset))
112+ && (tpnt1 = _dl_load_elf_shared_library(resolve_flags, rpnt, strs + libent[i].liboffset))
113 ) {
114 return tpnt1;
115 }
116@@ -295,14 +295,14 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt,
117 /* Look for libraries wherever the shared library loader
118 * was installed */
119 _dl_if_debug_dprint("\tsearching ldso dir='%s'\n", _dl_ldsopath);
120- tpnt1 = search_for_named_library(libname, secure, _dl_ldsopath, rpnt, NULL);
121+ tpnt1 = search_for_named_library(libname, resolve_flags, _dl_ldsopath, rpnt, NULL);
122 if (tpnt1 != NULL)
123 return tpnt1;
124
125 /* Lastly, search the standard list of paths for the library.
126 This list must exactly match the list in uClibc/ldso/util/ldd.c */
127 _dl_if_debug_dprint("\tsearching full lib path list\n");
128- tpnt1 = search_for_named_library(libname, secure,
129+ tpnt1 = search_for_named_library(libname, resolve_flags,
130 UCLIBC_RUNTIME_PREFIX "lib:"
131 UCLIBC_RUNTIME_PREFIX "usr/lib"
132 #ifndef __LDSO_CACHE_SUPPORT__
133@@ -329,7 +329,7 @@ goof:
134 * are required.
135 */
136
137-struct elf_resolve *_dl_load_elf_shared_library(int secure,
138+struct elf_resolve *_dl_load_elf_shared_library(int resolve_flags,
139 struct dyn_elf **rpnt, char *libname)
140 {
141 ElfW(Ehdr) *epnt;
142@@ -368,7 +368,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure,
143 }
144 /* If we are in secure mode (i.e. a setu/gid binary using LD_PRELOAD),
145 we don't load the library if it isn't setuid. */
146- if (secure) {
147+ if (resolve_flags & DL_RESOLVE_SECURE) {
148 if (!(st.st_mode & S_ISUID)) {
149 _dl_close(infile);
150 return NULL;
151@@ -384,6 +384,10 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure,
152 return tpnt;
153 }
154 }
155+ if (resolve_flags & DL_RESOLVE_NOLOAD) {
156+ _dl_close(infile);
157+ return NULL;
158+ }
159 header = _dl_mmap((void *) 0, _dl_pagesize, PROT_READ | PROT_WRITE,
160 MAP_PRIVATE | MAP_ANONYMOUS | MAP_UNINITIALIZE, -1, 0);
161 if (_dl_mmap_check_error(header)) {
162diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c
163index 9423670..b71af34 100644
164--- a/ldso/ldso/ldso.c
165+++ b/ldso/ldso/ldso.c
166@@ -646,7 +646,9 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr,
167 if (!_dl_secure || _dl_strchr(str, '/') == NULL) {
168 _dl_if_debug_dprint("\tfile='%s'; needed by '%s'\n", str, _dl_progname);
169
170- tpnt1 = _dl_load_shared_library(_dl_secure, &rpnt, NULL, str, trace_loaded_objects);
171+ tpnt1 = _dl_load_shared_library(
172+ _dl_secure ? DL_RESOLVE_SECURE : 0,
173+ &rpnt, NULL, str, trace_loaded_objects);
174 if (!tpnt1) {
175 #ifdef __LDSO_LDD_SUPPORT__
176 if (trace_loaded_objects)
177diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c
178index 68cd579..edf38d2 100644
179--- a/ldso/libdl/libdl.c
180+++ b/ldso/libdl/libdl.c
181@@ -288,7 +288,7 @@ void *dlopen(const char *libname, int flag)
182 #endif
183
184 /* A bit of sanity checking... */
185- if (!(flag & (RTLD_LAZY|RTLD_NOW))) {
186+ if (!(flag & (RTLD_LAZY|RTLD_NOW|RTLD_NOLOAD))) {
187 _dl_error_number = LD_BAD_HANDLE;
188 return NULL;
189 }
190@@ -358,8 +358,9 @@ void *dlopen(const char *libname, int flag)
191 /* Try to load the specified library */
192 _dl_if_debug_print("Trying to dlopen '%s', RTLD_GLOBAL:%d RTLD_NOW:%d\n",
193 (char*)libname, (flag & RTLD_GLOBAL ? 1:0), (now_flag & RTLD_NOW ? 1:0));
194- tpnt = _dl_load_shared_library(0, &rpnt, tfrom, (char*)libname, 0);
195
196+ tpnt = _dl_load_shared_library((flag & RTLD_NOLOAD) ? DL_RESOLVE_NOLOAD : 0,
197+ &rpnt, tfrom, (char*)libname, 0);
198 if (tpnt == NULL) {
199 _dl_unmap_cache();
200 return NULL;
201diff --git a/libc/sysdeps/linux/common/bits/dlfcn.h b/libc/sysdeps/linux/common/bits/dlfcn.h
202index 4bfbbff..47b42ad 100644
203--- a/libc/sysdeps/linux/common/bits/dlfcn.h
204+++ b/libc/sysdeps/linux/common/bits/dlfcn.h
205@@ -24,9 +24,9 @@
206 /* The MODE argument to `dlopen' contains one of the following: */
207 #define RTLD_LAZY 0x00001 /* Lazy function call binding. */
208 #define RTLD_NOW 0x00002 /* Immediate function call binding. */
209-#if 0 /* uClibc doesnt support these */
210-#define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */
211+#define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */
212 #define RTLD_NOLOAD 0x00004 /* Do not load the object. */
213+#if 0 /* uClibc doesnt support these */
214 #define RTLD_DEEPBIND 0x00008 /* Use deep binding. */
215 #endif