diff options
Diffstat (limited to 'meta/recipes-core/glibc/ldconfig-native-2.12.1/endian-ness_handling.patch')
| -rw-r--r-- | meta/recipes-core/glibc/ldconfig-native-2.12.1/endian-ness_handling.patch | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/ldconfig-native-2.12.1/endian-ness_handling.patch b/meta/recipes-core/glibc/ldconfig-native-2.12.1/endian-ness_handling.patch new file mode 100644 index 0000000000..7f8e4db78a --- /dev/null +++ b/meta/recipes-core/glibc/ldconfig-native-2.12.1/endian-ness_handling.patch @@ -0,0 +1,454 @@ +Upstream-Status: Inappropriate [embedded specific] + +Do data input/output handling according to endien-ness of the library file. That +enables use of ldconfig in the cross fashion for any architecture. + +2011/04/04 +Richard Purdie <richard.purdie@linuxfoundation.org> +Nitin Kamble <nitin.a.kamble@intel.com> + +Index: ldconfig-native-2.12.1/readelflib.c +=================================================================== +--- ldconfig-native-2.12.1.orig/readelflib.c ++++ ldconfig-native-2.12.1/readelflib.c +@@ -38,6 +38,28 @@ do \ + } \ + while (0); + ++int be; ++static uint16_t read16(uint16_t x, int be) ++{ ++ if (be) ++ return be16toh(x); ++ return le16toh(x); ++} ++ ++static uint32_t read32(uint32_t x, int be) ++{ ++ if (be) ++ return be32toh(x); ++ return le32toh(x); ++} ++ ++static uint64_t read64(uint64_t x, int be) ++{ ++ if (be) ++ return be64toh(x); ++ return le64toh(x); ++} ++ + /* Returns 0 if everything is ok, != 0 in case of error. */ + int + process_elf_file32 (const char *file_name, const char *lib, int *flag, +@@ -59,15 +81,17 @@ process_elf_file32 (const char *file_nam + elf_header = (Elf32_Ehdr *) file_contents; + *osversion = 0; + +- if (elf_header->e_type != ET_DYN) ++ be = (elf_header->e_ident[EI_DATA] == ELFDATA2MSB); ++ ++ if (read16(elf_header->e_type, be) != ET_DYN) + { + error (0, 0, _("%s is not a shared object file (Type: %d).\n"), file_name, +- elf_header->e_type); ++ read16(elf_header->e_type, be)); + return 1; + } + + /* Get information from elf program header. */ +- elf_pheader = (Elf32_Phdr *) (elf_header->e_phoff + file_contents); ++ elf_pheader = (Elf32_Phdr *) (read32(elf_header->e_phoff, be) + file_contents); + check_ptr (elf_pheader); + + /* The library is an elf library, now search for soname and +@@ -79,27 +103,27 @@ process_elf_file32 (const char *file_nam + dynamic_size = 0; + program_interpreter = NULL; + for (i = 0, segment = elf_pheader; +- i < elf_header->e_phnum; i++, segment++) ++ i < read16(elf_header->e_phnum, be); i++, segment++) + { + check_ptr (segment); + +- switch (segment->p_type) ++ switch (read32(segment->p_type, be)) + { + case PT_LOAD: + if (loadaddr == (Elf32_Addr) -1) +- loadaddr = segment->p_vaddr - segment->p_offset; ++ loadaddr = read32(segment->p_vaddr, be) - read32(segment->p_offset, be); + break; + + case PT_DYNAMIC: + if (dynamic_addr) + error (0, 0, _("more than one dynamic segment\n")); + +- dynamic_addr = segment->p_offset; +- dynamic_size = segment->p_filesz; ++ dynamic_addr = read32(segment->p_offset, be); ++ dynamic_size = read32(segment->p_filesz, be); + break; + + case PT_INTERP: +- program_interpreter = (char *) (file_contents + segment->p_offset); ++ program_interpreter = (char *) (file_contents + read32(segment->p_offset, be)); + check_ptr (program_interpreter); + + /* Check if this is enough to classify the binary. */ +@@ -113,20 +137,20 @@ process_elf_file32 (const char *file_nam + break; + + case PT_NOTE: +- if (!*osversion && segment->p_filesz >= 32 && segment->p_align >= 4) ++ if (!*osversion && read32(segment->p_filesz, be) >= 32 && segment->p_align >= 4) + { + Elf32_Word *abi_note = (Elf32_Word *) (file_contents +- + segment->p_offset); +- Elf32_Addr size = segment->p_filesz; ++ + read32(segment->p_offset, be)); ++ Elf32_Addr size = read32(segment->p_filesz, be); + +- while (abi_note [0] != 4 || abi_note [1] != 16 +- || abi_note [2] != 1 ++ while (read32(abi_note [0], be) != 4 || read32(abi_note [1], be) != 16 ++ || read32(abi_note [2], be) != 1 + || memcmp (abi_note + 3, "GNU", 4) != 0) + { +-#define ROUND(len) (((len) + sizeof (Elf32_Word)) - 1) & -sizeof (Elf32_Word))) +- Elf32_Addr) note_size = 3 * sizeof (Elf32_Word)) +- + ROUND (abi_note[0]) +- + ROUND (abi_note[1]); ++#define ROUND(len) (((len) + sizeof (Elf32_Word) - 1) & -sizeof (Elf32_Word)) ++ Elf32_Addr note_size = 3 * sizeof (Elf32_Word) ++ + ROUND (read32(abi_note[0], be)) ++ + ROUND (read32(abi_note[1], be)); + + if (size - 32 < note_size || note_size == 0) + { +@@ -140,10 +164,10 @@ process_elf_file32 (const char *file_nam + if (size == 0) + break; + +- *osversion = (abi_note [4] << 24) | +- ((abi_note [5] & 0xff) << 16) | +- ((abi_note [6] & 0xff) << 8) | +- (abi_note [7] & 0xff); ++ *osversion = (read32(abi_note [4], be) << 24) | ++ ((read32(abi_note [5], be) & 0xff) << 16) | ++ ((read32(abi_note [6], be) & 0xff) << 8) | ++ (read32(abi_note [7], be) & 0xff); + } + break; + +@@ -167,13 +191,13 @@ process_elf_file32 (const char *file_nam + + /* Find the string table. */ + dynamic_strings = NULL; +- for (dyn_entry = dynamic_segment; dyn_entry->d_tag != DT_NULL; ++ for (dyn_entry = dynamic_segment; read32(dyn_entry->d_tag, be) != DT_NULL; + ++dyn_entry) + { + check_ptr (dyn_entry); +- if (dyn_entry->d_tag == DT_STRTAB) ++ if (read32(dyn_entry->d_tag, be) == DT_STRTAB) + { +- dynamic_strings = (char *) (file_contents + dyn_entry->d_un.d_val - loadaddr); ++ dynamic_strings = (char *) (file_contents + read32(dyn_entry->d_un.d_val, be) - loadaddr); + check_ptr (dynamic_strings); + break; + } +@@ -183,15 +207,15 @@ process_elf_file32 (const char *file_nam + return 1; + + /* Now read the DT_NEEDED and DT_SONAME entries. */ +- for (dyn_entry = dynamic_segment; dyn_entry->d_tag != DT_NULL; ++ for (dyn_entry = dynamic_segment; read32(dyn_entry->d_tag, be) != DT_NULL; + ++dyn_entry) + { +- if (dyn_entry->d_tag == DT_NEEDED || dyn_entry->d_tag == DT_SONAME) ++ if (read32(dyn_entry->d_tag, be) == DT_NEEDED || read32(dyn_entry->d_tag, be) == DT_SONAME) + { +- char *name = dynamic_strings + dyn_entry->d_un.d_val; ++ char *name = dynamic_strings + read32(dyn_entry->d_un.d_val, be); + check_ptr (name); + +- if (dyn_entry->d_tag == DT_NEEDED) ++ if (read32(dyn_entry->d_tag, be) == DT_NEEDED) + { + + if (*flag == FLAG_ELF) +@@ -208,7 +232,7 @@ process_elf_file32 (const char *file_nam + } + } + +- else if (dyn_entry->d_tag == DT_SONAME) ++ else if (read32(dyn_entry->d_tag, be) == DT_SONAME) + *soname = xstrdup (name); + + /* Do we have everything we need? */ +@@ -246,15 +270,17 @@ process_elf_file64 (const char *file_nam + elf_header = (Elf64_Ehdr *) file_contents; + *osversion = 0; + +- if (elf_header->e_type != ET_DYN) ++ be = (elf_header->e_ident[EI_DATA] == ELFDATA2MSB); ++ ++ if (read16(elf_header->e_type, be) != ET_DYN) + { + error (0, 0, _("%s is not a shared object file (Type: %d).\n"), file_name, +- elf_header->e_type); ++ read16(elf_header->e_type, be)); + return 1; + } + + /* Get information from elf program header. */ +- elf_pheader = (Elf64_Phdr *) (elf_header->e_phoff + file_contents); ++ elf_pheader = (Elf64_Phdr *) (read64(elf_header->e_phoff, be) + file_contents); + check_ptr (elf_pheader); + + /* The library is an elf library, now search for soname and +@@ -266,27 +292,27 @@ process_elf_file64 (const char *file_nam + dynamic_size = 0; + program_interpreter = NULL; + for (i = 0, segment = elf_pheader; +- i < elf_header->e_phnum; i++, segment++) ++ i < read16(elf_header->e_phnum, be); i++, segment++) + { + check_ptr (segment); + +- switch (segment->p_type) ++ switch (read32(segment->p_type, be)) + { + case PT_LOAD: + if (loadaddr == (Elf64_Addr) -1) +- loadaddr = segment->p_vaddr - segment->p_offset; ++ loadaddr = read64(segment->p_vaddr, be) - read64(segment->p_offset, be); + break; + + case PT_DYNAMIC: + if (dynamic_addr) + error (0, 0, _("more than one dynamic segment\n")); + +- dynamic_addr = segment->p_offset; +- dynamic_size = segment->p_filesz; ++ dynamic_addr = read64(segment->p_offset, be); ++ dynamic_size = read32(segment->p_filesz, be); + break; + + case PT_INTERP: +- program_interpreter = (char *) (file_contents + segment->p_offset); ++ program_interpreter = (char *) (file_contents + read64(segment->p_offset, be)); + check_ptr (program_interpreter); + + /* Check if this is enough to classify the binary. */ +@@ -300,20 +326,21 @@ process_elf_file64 (const char *file_nam + break; + + case PT_NOTE: +- if (!*osversion && segment->p_filesz >= 32 && segment->p_align >= 4) ++ if (!*osversion && read32(segment->p_filesz, be) >= 32 && read32(segment->p_align, be) >= 4) + { + Elf64_Word *abi_note = (Elf64_Word *) (file_contents +- + segment->p_offset); +- Elf64_Addr size = segment->p_filesz; ++ + read64(segment->p_offset, be)); ++ Elf64_Addr size = read32(segment->p_filesz, be); + +- while (abi_note [0] != 4 || abi_note [1] != 16 +- || abi_note [2] != 1 ++ while (read32(abi_note [0], be) != 4 || read32(abi_note [1], be) != 16 ++ || read32(abi_note [2], be) != 1 + || memcmp (abi_note + 3, "GNU", 4) != 0) + { ++#undef ROUND + #define ROUND(len) (((len) + sizeof (Elf64_Word) - 1) & -sizeof (Elf64_Word)) + Elf64_Addr note_size = 3 * sizeof (Elf64_Word) +- + ROUND (abi_note[0]) +- + ROUND (abi_note[1]); ++ + ROUND (read32(abi_note[0], be)) ++ + ROUND (read32(abi_note[1], be)); + + if (size - 32 < note_size || note_size == 0) + { +@@ -327,10 +354,10 @@ process_elf_file64 (const char *file_nam + if (size == 0) + break; + +- *osversion = (abi_note [4] << 24) | +- ((abi_note [5] & 0xff) << 16) | +- ((abi_note [6] & 0xff) << 8) | +- (abi_note [7] & 0xff); ++ *osversion = (read32(abi_note [4], be) << 24) | ++ ((read32(abi_note [5], be) & 0xff) << 16) | ++ ((read32(abi_note [6], be) & 0xff) << 8) | ++ (read32(abi_note [7], be) & 0xff); + } + break; + +@@ -354,13 +381,13 @@ process_elf_file64 (const char *file_nam + + /* Find the string table. */ + dynamic_strings = NULL; +- for (dyn_entry = dynamic_segment; dyn_entry->d_tag != DT_NULL; ++ for (dyn_entry = dynamic_segment; read64(dyn_entry->d_tag, be) != DT_NULL; + ++dyn_entry) + { + check_ptr (dyn_entry); +- if (dyn_entry->d_tag == DT_STRTAB) ++ if (read64(dyn_entry->d_tag, be) == DT_STRTAB) + { +- dynamic_strings = (char *) (file_contents + dyn_entry->d_un.d_val - loadaddr); ++ dynamic_strings = (char *) (file_contents + read64(dyn_entry->d_un.d_val, be) - loadaddr); + check_ptr (dynamic_strings); + break; + } +@@ -370,15 +397,15 @@ process_elf_file64 (const char *file_nam + return 1; + + /* Now read the DT_NEEDED and DT_SONAME entries. */ +- for (dyn_entry = dynamic_segment; dyn_entry->d_tag != DT_NULL; ++ for (dyn_entry = dynamic_segment; read64(dyn_entry->d_tag, be) != DT_NULL; + ++dyn_entry) + { +- if (dyn_entry->d_tag == DT_NEEDED || dyn_entry->d_tag == DT_SONAME) ++ if (read64(dyn_entry->d_tag, be) == DT_NEEDED || read64(dyn_entry->d_tag, be) == DT_SONAME) + { +- char *name = dynamic_strings + dyn_entry->d_un.d_val; ++ char *name = dynamic_strings + read64(dyn_entry->d_un.d_val, be); + check_ptr (name); + +- if (dyn_entry->d_tag == DT_NEEDED) ++ if (read64(dyn_entry->d_tag, be) == DT_NEEDED) + { + + if (*flag == FLAG_ELF) +@@ -395,7 +422,7 @@ process_elf_file64 (const char *file_nam + } + } + +- else if (dyn_entry->d_tag == DT_SONAME) ++ else if (read64(dyn_entry->d_tag, be) == DT_SONAME) + *soname = xstrdup (name); + + /* Do we have everything we need? */ +Index: ldconfig-native-2.12.1/readlib.c +=================================================================== +--- ldconfig-native-2.12.1.orig/readlib.c ++++ ldconfig-native-2.12.1/readlib.c +@@ -169,7 +169,8 @@ process_file (const char *real_file_name + ret = 1; + } + /* Libraries have to be shared object files. */ +- else if (elf_header->e_type != ET_DYN) ++ else if ((elf_header->e_ident[EI_DATA] == ELFDATA2MSB && be16toh(elf_header->e_type) != ET_DYN) || ++ (elf_header->e_ident[EI_DATA] == ELFDATA2LSB && le16toh(elf_header->e_type) != ET_DYN)) + ret = 1; + else if (process_elf_file (file_name, lib, flag, osversion, soname, + file_contents, statbuf.st_size)) +Index: ldconfig-native-2.12.1/cache.c +=================================================================== +--- ldconfig-native-2.12.1.orig/cache.c ++++ ldconfig-native-2.12.1/cache.c +@@ -39,6 +39,29 @@ + # define N_(msgid) msgid + #define _(msg) msg + ++extern int be; ++ ++static uint16_t write16(uint16_t x, int be) ++{ ++ if (be) ++ return htobe16(x); ++ return htole16(x); ++} ++ ++static uint32_t write32(uint32_t x, int be) ++{ ++ if (be) ++ return htobe32(x); ++ return htole32(x); ++} ++ ++static uint64_t write64(uint64_t x, int be) ++{ ++ if (be) ++ return htobe64(x); ++ return htole64(x); ++} ++ + struct cache_entry + { + char *lib; /* Library name. */ +@@ -279,7 +302,12 @@ save_cache (const char *cache_name) + /* Number of normal cache entries. */ + int cache_entry_old_count = 0; + +- for (entry = entries; entry != NULL; entry = entry->next) ++ if (be) ++ printf("saving cache in big endian encoding\n"); ++ else ++ printf("saving cache in little endian encoding\n"); ++ ++ for (entry = entries; entry != NULL; entry = entry->next) + { + /* Account the final NULs. */ + total_strlen += strlen (entry->lib) + strlen (entry->path) + 2; +@@ -310,7 +338,7 @@ save_cache (const char *cache_name) + memset (file_entries, '\0', sizeof (struct cache_file)); + memcpy (file_entries->magic, CACHEMAGIC, sizeof CACHEMAGIC - 1); + +- file_entries->nlibs = cache_entry_old_count; ++ file_entries->nlibs = write32(cache_entry_old_count, be); + } + + struct cache_file_new *file_entries_new = NULL; +@@ -330,8 +358,8 @@ save_cache (const char *cache_name) + memcpy (file_entries_new->version, CACHE_VERSION, + sizeof CACHE_VERSION - 1); + +- file_entries_new->nlibs = cache_entry_count; +- file_entries_new->len_strings = total_strlen; ++ file_entries_new->nlibs = write32(cache_entry_count, be); ++ file_entries_new->len_strings = write32(total_strlen, be); + } + + /* Pad for alignment of cache_file_new. */ +@@ -358,9 +386,9 @@ save_cache (const char *cache_name) + /* First the library. */ + if (opt_format != 2 && entry->hwcap == 0) + { +- file_entries->libs[idx_old].flags = entry->flags; ++ file_entries->libs[idx_old].flags = write32(entry->flags, be); + /* XXX: Actually we can optimize here and remove duplicates. */ +- file_entries->libs[idx_old].key = str_offset + pad; ++ file_entries->libs[idx_old].key = write32(str_offset + pad, be); + } + if (opt_format != 0) + { +@@ -368,10 +396,10 @@ save_cache (const char *cache_name) + not doing so makes the code easier, the string table + always begins at the beginning of the the new cache + struct. */ +- file_entries_new->libs[idx_new].flags = entry->flags; +- file_entries_new->libs[idx_new].osversion = entry->osversion; +- file_entries_new->libs[idx_new].hwcap = entry->hwcap; +- file_entries_new->libs[idx_new].key = str_offset; ++ file_entries_new->libs[idx_new].flags = write32(entry->flags, be); ++ file_entries_new->libs[idx_new].osversion = write32(entry->osversion, be); ++ file_entries_new->libs[idx_new].hwcap = write64(entry->hwcap, be); ++ file_entries_new->libs[idx_new].key = write32(str_offset, be); + } + + size_t len = strlen (entry->lib) + 1; +@@ -379,9 +407,9 @@ save_cache (const char *cache_name) + str_offset += len; + /* Then the path. */ + if (opt_format != 2 && entry->hwcap == 0) +- file_entries->libs[idx_old].value = str_offset + pad; ++ file_entries->libs[idx_old].value = write32(str_offset + pad, be); + if (opt_format != 0) +- file_entries_new->libs[idx_new].value = str_offset; ++ file_entries_new->libs[idx_new].value = write32(str_offset, be); + len = strlen (entry->path) + 1; + str = mempcpy (str, entry->path, len); + str_offset += len; 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