These files could be useful to any port that wants to use ld.so.cache.
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
+++ /dev/null
-/* Copyright (C) 1999-2023 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-int process_elf32_file (const char *file_name, const char *lib,
- int *flag, unsigned int *isa_level, char **soname,
- void *file_contents, size_t file_length);
-int process_elf64_file (const char *file_name, const char *lib,
- int *flag, unsigned int *isa_level, char **soname,
- void *file_contents, size_t file_length);
-
-/* Returns 0 if everything is ok, != 0 in case of error. */
-int
-process_elf_file (const char *file_name, const char *lib, int *flag,
- unsigned int *isa_level, char **soname, void *file_contents,
- size_t file_length)
-{
- ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
- int ret, file_flag = 0;
-
- switch (elf_header->e_machine)
- {
- case EM_X86_64:
- if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
- /* X86-64 64bit libraries are always libc.so.6+. */
- file_flag = FLAG_X8664_LIB64|FLAG_ELF_LIBC6;
- else
- /* X32 libraries are always libc.so.6+. */
- file_flag = FLAG_X8664_LIBX32|FLAG_ELF_LIBC6;
- break;
-#ifndef __x86_64__
- case EM_IA_64:
- if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
- {
- /* IA64 64bit libraries are always libc.so.6+. */
- file_flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
- break;
- }
- goto failed;
-#endif
- case EM_386:
- if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
- break;
- /* Fall through. */
- default:
-#ifndef __x86_64__
-failed:
-#endif
- error (0, 0, _("%s is for unknown machine %d.\n"),
- file_name, elf_header->e_machine);
- return 1;
- }
-
- if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
- ret = process_elf32_file (file_name, lib, flag, isa_level, soname,
- file_contents, file_length);
- else
- ret = process_elf64_file (file_name, lib, flag, isa_level, soname,
- file_contents, file_length);
-
- if (!ret && file_flag)
- *flag = file_flag;
-
- return ret;
-}
-
-#undef __ELF_NATIVE_CLASS
-#undef process_elf_file
-#define process_elf_file process_elf32_file
-#define __ELF_NATIVE_CLASS 32
-#include "elf/readelflib.c"
-
-#undef __ELF_NATIVE_CLASS
-#undef process_elf_file
-#define process_elf_file process_elf64_file
-#define __ELF_NATIVE_CLASS 64
-#include "elf/readelflib.c"
+++ /dev/null
-/* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
- Copyright (C) 1999-2023 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-#define _DL_CACHE_DEFAULT_ID 0x303
-
-#define _dl_cache_check_flags(flags) \
- ((flags) == _DL_CACHE_DEFAULT_ID)
-
-#define add_system_dir(dir) \
- do \
- { \
- size_t len = strlen (dir); \
- char path[len + 4]; \
- memcpy (path, dir, len + 1); \
- if (len >= 6 && ! memcmp (path + len - 6, "/lib64", 6)) \
- { \
- len -= 2; \
- path[len] = '\0'; \
- } \
- else if (len >= 7 \
- && ! memcmp (path + len - 7, "/libx32", 7)) \
- { \
- len -= 3; \
- path[len] = '\0'; \
- } \
- add_dir (path); \
- if (len >= 4 && ! memcmp (path + len - 4, "/lib", 4)) \
- { \
- memcpy (path + len, "64", 3); \
- add_dir (path); \
- memcpy (path + len, "x32", 4); \
- add_dir (path); \
- } \
- } while (0)
-
-#include <sysdeps/generic/dl-cache.h>
--- /dev/null
+/* Copyright (C) 1999-2023 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+int process_elf32_file (const char *file_name, const char *lib,
+ int *flag, unsigned int *isa_level, char **soname,
+ void *file_contents, size_t file_length);
+int process_elf64_file (const char *file_name, const char *lib,
+ int *flag, unsigned int *isa_level, char **soname,
+ void *file_contents, size_t file_length);
+
+/* Returns 0 if everything is ok, != 0 in case of error. */
+int
+process_elf_file (const char *file_name, const char *lib, int *flag,
+ unsigned int *isa_level, char **soname, void *file_contents,
+ size_t file_length)
+{
+ ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
+ int ret, file_flag = 0;
+
+ switch (elf_header->e_machine)
+ {
+ case EM_X86_64:
+ if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
+ /* X86-64 64bit libraries are always libc.so.6+. */
+ file_flag = FLAG_X8664_LIB64|FLAG_ELF_LIBC6;
+ else
+ /* X32 libraries are always libc.so.6+. */
+ file_flag = FLAG_X8664_LIBX32|FLAG_ELF_LIBC6;
+ break;
+#ifndef __x86_64__
+ case EM_IA_64:
+ if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
+ {
+ /* IA64 64bit libraries are always libc.so.6+. */
+ file_flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
+ break;
+ }
+ goto failed;
+#endif
+ case EM_386:
+ if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
+ break;
+ /* Fall through. */
+ default:
+#ifndef __x86_64__
+failed:
+#endif
+ error (0, 0, _("%s is for unknown machine %d.\n"),
+ file_name, elf_header->e_machine);
+ return 1;
+ }
+
+ if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
+ ret = process_elf32_file (file_name, lib, flag, isa_level, soname,
+ file_contents, file_length);
+ else
+ ret = process_elf64_file (file_name, lib, flag, isa_level, soname,
+ file_contents, file_length);
+
+ if (!ret && file_flag)
+ *flag = file_flag;
+
+ return ret;
+}
+
+#undef __ELF_NATIVE_CLASS
+#undef process_elf_file
+#define process_elf_file process_elf32_file
+#define __ELF_NATIVE_CLASS 32
+#include "elf/readelflib.c"
+
+#undef __ELF_NATIVE_CLASS
+#undef process_elf_file
+#define process_elf_file process_elf64_file
+#define __ELF_NATIVE_CLASS 64
+#include "elf/readelflib.c"
--- /dev/null
+/* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
+ Copyright (C) 1999-2023 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#define _DL_CACHE_DEFAULT_ID 0x303
+
+#define _dl_cache_check_flags(flags) \
+ ((flags) == _DL_CACHE_DEFAULT_ID)
+
+#define add_system_dir(dir) \
+ do \
+ { \
+ size_t len = strlen (dir); \
+ char path[len + 4]; \
+ memcpy (path, dir, len + 1); \
+ if (len >= 6 && ! memcmp (path + len - 6, "/lib64", 6)) \
+ { \
+ len -= 2; \
+ path[len] = '\0'; \
+ } \
+ else if (len >= 7 \
+ && ! memcmp (path + len - 7, "/libx32", 7)) \
+ { \
+ len -= 3; \
+ path[len] = '\0'; \
+ } \
+ add_dir (path); \
+ if (len >= 4 && ! memcmp (path + len - 4, "/lib", 4)) \
+ { \
+ memcpy (path + len, "64", 3); \
+ add_dir (path); \
+ memcpy (path + len, "x32", 4); \
+ add_dir (path); \
+ } \
+ } while (0)
+
+#include <sysdeps/generic/dl-cache.h>
projects / platform / upstream / glibc.git / commitdiff