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 /meta/packages/glibc | |
| 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>
Diffstat (limited to 'meta/packages/glibc')
| -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 | ||
