diff options
Diffstat (limited to 'meta/recipes-core/eglibc/eglibc-2.16/relocatable_sdk.patch')
| -rw-r--r-- | meta/recipes-core/eglibc/eglibc-2.16/relocatable_sdk.patch | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/meta/recipes-core/eglibc/eglibc-2.16/relocatable_sdk.patch b/meta/recipes-core/eglibc/eglibc-2.16/relocatable_sdk.patch new file mode 100644 index 0000000000..ca5f17ba58 --- /dev/null +++ b/meta/recipes-core/eglibc/eglibc-2.16/relocatable_sdk.patch @@ -0,0 +1,108 @@ +Upstream-Status: Inappropriate [SDK specific] + +This patch puts the dynamic loader path in the binaries, SYSTEM_DIRS strings +and lengths as well as ld.so.cache path in the dynamic loader to specific +sections in memory. The sections that contain paths have been allocated a 4096 +byte section, which is the maximum path length in linux. This will allow the +relocating script to parse the ELF binary, detect the section and easily replace +the strings in a certain path. + +Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com> + +Index: libc/elf/interp.c +=================================================================== +--- libc.orig/elf/interp.c ++++ libc/elf/interp.c +@@ -16,5 +16,5 @@ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +-const char __invoke_dynamic_linker__[] __attribute__ ((section (".interp"))) ++const char __invoke_dynamic_linker__[4096] __attribute__ ((section (".interp"))) + = RUNTIME_LINKER; +Index: libc/elf/dl-load.c +=================================================================== +--- libc.orig/elf/dl-load.c ++++ libc/elf/dl-load.c +@@ -144,8 +144,8 @@ static size_t max_capstrlen attribute_re + /* Get the generated information about the trusted directories. */ + #include "trusted-dirs.h" + +-static const char system_dirs[] = SYSTEM_DIRS; +-static const size_t system_dirs_len[] = ++static const char system_dirs[4096] __attribute__ ((section (".sysdirs"))) = SYSTEM_DIRS; ++volatile static const size_t system_dirs_len[] __attribute__ ((section (".sysdirslen"))) = + { + SYSTEM_DIRS_LEN + }; +Index: libc/elf/dl-cache.c +=================================================================== +--- libc.orig/elf/dl-cache.c ++++ libc/elf/dl-cache.c +@@ -133,6 +133,10 @@ do \ + while (0) + + ++const char LD_SO_CACHE[4096] __attribute__ ((section (".ldsocache"))) = ++ SYSCONFDIR "/ld.so.cache"; ++ ++ + int + internal_function + _dl_cache_libcmp (const char *p1, const char *p2) +Index: libc/elf/ldconfig.c +=================================================================== +--- libc.orig/elf/ldconfig.c ++++ libc/elf/ldconfig.c +@@ -166,6 +166,9 @@ static struct argp argp = + options, parse_opt, NULL, doc, NULL, more_help, NULL + }; + ++ ++extern const char LD_SO_CACHE[4096] __attribute__ ((section (".ldsocache"))); ++ + /* Check if string corresponds to an important hardware capability or + a platform. */ + static int +Index: libc/sysdeps/generic/dl-cache.h +=================================================================== +--- libc.orig/sysdeps/generic/dl-cache.h ++++ libc/sysdeps/generic/dl-cache.h +@@ -27,10 +27,6 @@ + ((flags) == 1 || (flags) == _DL_CACHE_DEFAULT_ID) + #endif + +-#ifndef LD_SO_CACHE +-# define LD_SO_CACHE SYSCONFDIR "/ld.so.cache" +-#endif +- + #ifndef add_system_dir + # define add_system_dir(dir) add_dir (dir) + #endif +Index: libc/elf/rtld.c +=================================================================== +--- libc.orig/elf/rtld.c ++++ libc/elf/rtld.c +@@ -99,6 +99,7 @@ uintptr_t __pointer_chk_guard_local + strong_alias (__pointer_chk_guard_local, __pointer_chk_guard) + #endif + ++extern const char LD_SO_CACHE[4096] __attribute__ ((section (".ldsocache"))); + + /* List of auditing DSOs. */ + static struct audit_list +@@ -1031,12 +1032,12 @@ of this helper program; chances are you + --list list all dependencies and how they are resolved\n\ + --verify verify that given object really is a dynamically linked\n\ + object we can handle\n\ +- --inhibit-cache Do not use " LD_SO_CACHE "\n\ ++ --inhibit-cache Do not use %s\n\ + --library-path PATH use given PATH instead of content of the environment\n\ + variable LD_LIBRARY_PATH\n\ + --inhibit-rpath LIST ignore RUNPATH and RPATH information in object names\n\ + in LIST\n\ +- --audit LIST use objects named in LIST as auditors\n"); ++ --audit LIST use objects named in LIST as auditors\n", LD_SO_CACHE); + + ++_dl_skip_args; + --_dl_argc; |