diff options
author | Richard Purdie <rpurdie@linux.intel.com> | 2009-05-19 15:55:55 +0100 |
---|---|---|
committer | Richard Purdie <rpurdie@linux.intel.com> | 2009-05-19 15:55:55 +0100 |
commit | b15cfd5cbfa796f26e8e7ec6216cbba449aa1885 (patch) | |
tree | db0d05d2dc69dc45039e065299caba977c5ec9fe | |
parent | a811131e69de69b2bd57cf1f637b28b507ef1e2a (diff) | |
download | poky-b15cfd5cbfa796f26e8e7ec6216cbba449aa1885.tar.gz |
ldconfig-native: Make it work for 32 bit targets from 64 bit build machines
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
-rw-r--r-- | meta/packages/glibc/ldconfig-native-2.5/32and64bit.patch | 289 | ||||
-rw-r--r-- | meta/packages/glibc/ldconfig-native_2.5.bb | 5 |
2 files changed, 293 insertions, 1 deletions
diff --git a/meta/packages/glibc/ldconfig-native-2.5/32and64bit.patch b/meta/packages/glibc/ldconfig-native-2.5/32and64bit.patch new file mode 100644 index 0000000000..4f8d3a39ca --- /dev/null +++ b/meta/packages/glibc/ldconfig-native-2.5/32and64bit.patch | |||
@@ -0,0 +1,289 @@ | |||
1 | Index: ldconfig-native-2.5/readelflib.c | ||
2 | =================================================================== | ||
3 | --- ldconfig-native-2.5.orig/readelflib.c 2009-05-19 09:40:17.000000000 +0100 | ||
4 | +++ ldconfig-native-2.5/readelflib.c 2009-05-19 09:56:18.000000000 +0100 | ||
5 | @@ -40,38 +40,190 @@ | ||
6 | |||
7 | /* Returns 0 if everything is ok, != 0 in case of error. */ | ||
8 | int | ||
9 | -process_elf_file (const char *file_name, const char *lib, int *flag, | ||
10 | +process_elf_file32 (const char *file_name, const char *lib, int *flag, | ||
11 | unsigned int *osversion, char **soname, void *file_contents, | ||
12 | size_t file_length) | ||
13 | { | ||
14 | int i; | ||
15 | unsigned int j; | ||
16 | - ElfW(Addr) loadaddr; | ||
17 | + Elf32_Addr loadaddr; | ||
18 | unsigned int dynamic_addr; | ||
19 | size_t dynamic_size; | ||
20 | char *program_interpreter; | ||
21 | |||
22 | - ElfW(Ehdr) *elf_header; | ||
23 | - ElfW(Phdr) *elf_pheader, *segment; | ||
24 | - ElfW(Dyn) *dynamic_segment, *dyn_entry; | ||
25 | + Elf32_Ehdr *elf_header; | ||
26 | + Elf32_Phdr *elf_pheader, *segment; | ||
27 | + Elf32_Dyn *dynamic_segment, *dyn_entry; | ||
28 | char *dynamic_strings; | ||
29 | |||
30 | - elf_header = (ElfW(Ehdr) *) file_contents; | ||
31 | + elf_header = (Elf32_Ehdr *) file_contents; | ||
32 | *osversion = 0; | ||
33 | |||
34 | - if (elf_header->e_ident [EI_CLASS] != ElfW (CLASS)) | ||
35 | + if (elf_header->e_type != ET_DYN) | ||
36 | + { | ||
37 | + error (0, 0, _("%s is not a shared object file (Type: %d).\n"), file_name, | ||
38 | + elf_header->e_type); | ||
39 | + return 1; | ||
40 | + } | ||
41 | + | ||
42 | + /* Get information from elf program header. */ | ||
43 | + elf_pheader = (Elf32_Phdr *) (elf_header->e_phoff + file_contents); | ||
44 | + check_ptr (elf_pheader); | ||
45 | + | ||
46 | + /* The library is an elf library, now search for soname and | ||
47 | + libc5/libc6. */ | ||
48 | + *flag = FLAG_ELF; | ||
49 | + | ||
50 | + loadaddr = -1; | ||
51 | + dynamic_addr = 0; | ||
52 | + dynamic_size = 0; | ||
53 | + program_interpreter = NULL; | ||
54 | + for (i = 0, segment = elf_pheader; | ||
55 | + i < elf_header->e_phnum; i++, segment++) | ||
56 | { | ||
57 | - if (opt_verbose) | ||
58 | + check_ptr (segment); | ||
59 | + | ||
60 | + switch (segment->p_type) | ||
61 | { | ||
62 | - if (elf_header->e_ident [EI_CLASS] == ELFCLASS32) | ||
63 | - error (0, 0, _("%s is a 32 bit ELF file.\n"), file_name); | ||
64 | - else if (elf_header->e_ident [EI_CLASS] == ELFCLASS64) | ||
65 | - error (0, 0, _("%s is a 64 bit ELF file.\n"), file_name); | ||
66 | - else | ||
67 | - error (0, 0, _("Unknown ELFCLASS in file %s.\n"), file_name); | ||
68 | + case PT_LOAD: | ||
69 | + if (loadaddr == (Elf32_Addr) -1) | ||
70 | + loadaddr = segment->p_vaddr - segment->p_offset; | ||
71 | + break; | ||
72 | + | ||
73 | + case PT_DYNAMIC: | ||
74 | + if (dynamic_addr) | ||
75 | + error (0, 0, _("more than one dynamic segment\n")); | ||
76 | + | ||
77 | + dynamic_addr = segment->p_offset; | ||
78 | + dynamic_size = segment->p_filesz; | ||
79 | + break; | ||
80 | + | ||
81 | + case PT_INTERP: | ||
82 | + program_interpreter = (char *) (file_contents + segment->p_offset); | ||
83 | + check_ptr (program_interpreter); | ||
84 | + | ||
85 | + /* Check if this is enough to classify the binary. */ | ||
86 | + for (j = 0; j < sizeof (interpreters) / sizeof (interpreters [0]); | ||
87 | + ++j) | ||
88 | + if (strcmp (program_interpreter, interpreters[j].soname) == 0) | ||
89 | + { | ||
90 | + *flag = interpreters[j].flag; | ||
91 | + break; | ||
92 | + } | ||
93 | + break; | ||
94 | + | ||
95 | + case PT_NOTE: | ||
96 | + if (!*osversion && segment->p_filesz == 32 && segment->p_align >= 4) | ||
97 | + { | ||
98 | + Elf32_Word *abi_note = (Elf32_Word *) (file_contents | ||
99 | + + segment->p_offset); | ||
100 | + if (abi_note [0] == 4 && abi_note [1] == 16 && abi_note [2] == 1 | ||
101 | + && memcmp (abi_note + 3, "GNU", 4) == 0) | ||
102 | + *osversion = (abi_note [4] << 24) | | ||
103 | + ((abi_note [5] & 0xff) << 16) | | ||
104 | + ((abi_note [6] & 0xff) << 8) | | ||
105 | + (abi_note [7] & 0xff); | ||
106 | + } | ||
107 | + break; | ||
108 | + | ||
109 | + default: | ||
110 | + break; | ||
111 | } | ||
112 | - return 1; | ||
113 | + | ||
114 | } | ||
115 | + if (loadaddr == (Elf32_Addr) -1) | ||
116 | + { | ||
117 | + /* Very strange. */ | ||
118 | + loadaddr = 0; | ||
119 | + } | ||
120 | + | ||
121 | + /* Now we can read the dynamic sections. */ | ||
122 | + if (dynamic_size == 0) | ||
123 | + return 1; | ||
124 | + | ||
125 | + dynamic_segment = (Elf32_Dyn *) (file_contents + dynamic_addr); | ||
126 | + check_ptr (dynamic_segment); | ||
127 | + | ||
128 | + /* Find the string table. */ | ||
129 | + dynamic_strings = NULL; | ||
130 | + for (dyn_entry = dynamic_segment; dyn_entry->d_tag != DT_NULL; | ||
131 | + ++dyn_entry) | ||
132 | + { | ||
133 | + check_ptr (dyn_entry); | ||
134 | + if (dyn_entry->d_tag == DT_STRTAB) | ||
135 | + { | ||
136 | + dynamic_strings = (char *) (file_contents + dyn_entry->d_un.d_val - loadaddr); | ||
137 | + check_ptr (dynamic_strings); | ||
138 | + break; | ||
139 | + } | ||
140 | + } | ||
141 | + | ||
142 | + if (dynamic_strings == NULL) | ||
143 | + return 1; | ||
144 | + | ||
145 | + /* Now read the DT_NEEDED and DT_SONAME entries. */ | ||
146 | + for (dyn_entry = dynamic_segment; dyn_entry->d_tag != DT_NULL; | ||
147 | + ++dyn_entry) | ||
148 | + { | ||
149 | + if (dyn_entry->d_tag == DT_NEEDED || dyn_entry->d_tag == DT_SONAME) | ||
150 | + { | ||
151 | + char *name = dynamic_strings + dyn_entry->d_un.d_val; | ||
152 | + check_ptr (name); | ||
153 | + | ||
154 | + if (dyn_entry->d_tag == DT_NEEDED) | ||
155 | + { | ||
156 | + | ||
157 | + if (*flag == FLAG_ELF) | ||
158 | + { | ||
159 | + /* Check if this is enough to classify the binary. */ | ||
160 | + for (j = 0; | ||
161 | + j < sizeof (known_libs) / sizeof (known_libs [0]); | ||
162 | + ++j) | ||
163 | + if (strcmp (name, known_libs [j].soname) == 0) | ||
164 | + { | ||
165 | + *flag = known_libs [j].flag; | ||
166 | + break; | ||
167 | + } | ||
168 | + } | ||
169 | + } | ||
170 | + | ||
171 | + else if (dyn_entry->d_tag == DT_SONAME) | ||
172 | + *soname = xstrdup (name); | ||
173 | + | ||
174 | + /* Do we have everything we need? */ | ||
175 | + if (*soname && *flag != FLAG_ELF) | ||
176 | + return 0; | ||
177 | + } | ||
178 | + } | ||
179 | + | ||
180 | + /* We reach this point only if the file doesn't contain a DT_SONAME | ||
181 | + or if we can't classify the library. If it doesn't have a | ||
182 | + soname, return the name of the library. */ | ||
183 | + if (*soname == NULL) | ||
184 | + *soname = xstrdup (lib); | ||
185 | + | ||
186 | + return 0; | ||
187 | +} | ||
188 | + | ||
189 | +int | ||
190 | +process_elf_file64 (const char *file_name, const char *lib, int *flag, | ||
191 | + unsigned int *osversion, char **soname, void *file_contents, | ||
192 | + size_t file_length) | ||
193 | +{ | ||
194 | + int i; | ||
195 | + unsigned int j; | ||
196 | + Elf64_Addr loadaddr; | ||
197 | + unsigned int dynamic_addr; | ||
198 | + size_t dynamic_size; | ||
199 | + char *program_interpreter; | ||
200 | + | ||
201 | + Elf64_Ehdr *elf_header; | ||
202 | + Elf64_Phdr *elf_pheader, *segment; | ||
203 | + Elf64_Dyn *dynamic_segment, *dyn_entry; | ||
204 | + char *dynamic_strings; | ||
205 | + | ||
206 | + elf_header = (Elf64_Ehdr *) file_contents; | ||
207 | + *osversion = 0; | ||
208 | |||
209 | if (elf_header->e_type != ET_DYN) | ||
210 | { | ||
211 | @@ -81,7 +233,7 @@ | ||
212 | } | ||
213 | |||
214 | /* Get information from elf program header. */ | ||
215 | - elf_pheader = (ElfW(Phdr) *) (elf_header->e_phoff + file_contents); | ||
216 | + elf_pheader = (Elf64_Phdr *) (elf_header->e_phoff + file_contents); | ||
217 | check_ptr (elf_pheader); | ||
218 | |||
219 | /* The library is an elf library, now search for soname and | ||
220 | @@ -100,7 +252,7 @@ | ||
221 | switch (segment->p_type) | ||
222 | { | ||
223 | case PT_LOAD: | ||
224 | - if (loadaddr == (ElfW(Addr)) -1) | ||
225 | + if (loadaddr == (Elf64_Addr) -1) | ||
226 | loadaddr = segment->p_vaddr - segment->p_offset; | ||
227 | break; | ||
228 | |||
229 | @@ -129,7 +281,7 @@ | ||
230 | case PT_NOTE: | ||
231 | if (!*osversion && segment->p_filesz == 32 && segment->p_align >= 4) | ||
232 | { | ||
233 | - ElfW(Word) *abi_note = (ElfW(Word) *) (file_contents | ||
234 | + Elf64_Word *abi_note = (Elf64_Word *) (file_contents | ||
235 | + segment->p_offset); | ||
236 | if (abi_note [0] == 4 && abi_note [1] == 16 && abi_note [2] == 1 | ||
237 | && memcmp (abi_note + 3, "GNU", 4) == 0) | ||
238 | @@ -145,7 +297,7 @@ | ||
239 | } | ||
240 | |||
241 | } | ||
242 | - if (loadaddr == (ElfW(Addr)) -1) | ||
243 | + if (loadaddr == (Elf64_Addr) -1) | ||
244 | { | ||
245 | /* Very strange. */ | ||
246 | loadaddr = 0; | ||
247 | @@ -155,7 +307,7 @@ | ||
248 | if (dynamic_size == 0) | ||
249 | return 1; | ||
250 | |||
251 | - dynamic_segment = (ElfW(Dyn) *) (file_contents + dynamic_addr); | ||
252 | + dynamic_segment = (Elf64_Dyn *) (file_contents + dynamic_addr); | ||
253 | check_ptr (dynamic_segment); | ||
254 | |||
255 | /* Find the string table. */ | ||
256 | @@ -218,3 +370,33 @@ | ||
257 | |||
258 | return 0; | ||
259 | } | ||
260 | +/* Returns 0 if everything is ok, != 0 in case of error. */ | ||
261 | +int | ||
262 | +process_elf_file (const char *file_name, const char *lib, int *flag, | ||
263 | + unsigned int *osversion, char **soname, void *file_contents, | ||
264 | + size_t file_length) | ||
265 | +{ | ||
266 | + int i; | ||
267 | + unsigned int j; | ||
268 | + ElfW(Addr) loadaddr; | ||
269 | + unsigned int dynamic_addr; | ||
270 | + size_t dynamic_size; | ||
271 | + char *program_interpreter; | ||
272 | + | ||
273 | + ElfW(Ehdr) *elf_header; | ||
274 | + ElfW(Phdr) *elf_pheader, *segment; | ||
275 | + ElfW(Dyn) *dynamic_segment, *dyn_entry; | ||
276 | + char *dynamic_strings; | ||
277 | + | ||
278 | + elf_header = (ElfW(Ehdr) *) file_contents; | ||
279 | + *osversion = 0; | ||
280 | + | ||
281 | + if (elf_header->e_ident [EI_CLASS] == ELFCLASS32) | ||
282 | + return process_elf_file32(file_name, lib,flag, osversion, soname, file_contents, file_length); | ||
283 | + else if (elf_header->e_ident [EI_CLASS] == ELFCLASS64) | ||
284 | + return process_elf_file64(file_name, lib,flag, osversion, soname, file_contents, file_length); | ||
285 | + error (0, 0, _("Unknown ELFCLASS in file %s.\n"), file_name); | ||
286 | + return 1; | ||
287 | +} | ||
288 | + | ||
289 | + | ||
diff --git a/meta/packages/glibc/ldconfig-native_2.5.bb b/meta/packages/glibc/ldconfig-native_2.5.bb index 1cd691e7bf..bdd41dc55f 100644 --- a/meta/packages/glibc/ldconfig-native_2.5.bb +++ b/meta/packages/glibc/ldconfig-native_2.5.bb | |||
@@ -1,7 +1,10 @@ | |||
1 | DESCRIPTION = "A standalone native ldconfig build" | 1 | DESCRIPTION = "A standalone native ldconfig build" |
2 | 2 | ||
3 | SRC_URI = "file://ldconfig-native-2.5.tar.bz2 \ | 3 | SRC_URI = "file://ldconfig-native-2.5.tar.bz2 \ |
4 | file://ldconfig.patch;patch=1 " | 4 | file://ldconfig.patch;patch=1 \ |
5 | file://32and64bit.patch;patch=1" | ||
6 | |||
7 | PR = "r1" | ||
5 | 8 | ||
6 | inherit native | 9 | inherit native |
7 | 10 | ||