diff options
Diffstat (limited to 'recipes/glibc/glibc-2.3.2/glibc23-errno-hack.patch')
| -rw-r--r-- | recipes/glibc/glibc-2.3.2/glibc23-errno-hack.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/recipes/glibc/glibc-2.3.2/glibc23-errno-hack.patch b/recipes/glibc/glibc-2.3.2/glibc23-errno-hack.patch new file mode 100644 index 0000000000..d3dffef9e2 --- /dev/null +++ b/recipes/glibc/glibc-2.3.2/glibc23-errno-hack.patch @@ -0,0 +1,58 @@ +--- glibc-2.3.2/elf/rtld.c.orig 2003-11-02 16:12:36.000000000 -0500 ++++ glibc-2.3.2/elf/rtld.c 2003-11-02 16:24:43.000000000 -0500 +@@ -966,6 +966,55 @@ of this helper program; chances are you + GL(dl_rtld_map).l_prev = GL(dl_loaded); + ++GL(dl_nloaded); + ++#if defined(__linux__) && defined(__i386__) ++ /* Debian note: this code imported from Red Hat. */ ++ /* Force non-TLS libraries for glibc 2.0 binaries ++ or if a buggy binary references non-TLS errno or h_errno. */ ++ if (__builtin_expect (GL(dl_loaded)->l_info[DT_NUM ++ + DT_THISPROCNUM ++ + DT_VERSIONTAGIDX (DT_VERNEED)] ++ == NULL, 0) ++ && GL(dl_loaded)->l_info[DT_DEBUG]) ++ GL(dl_osversion) = 0x20401; ++ else if ((__builtin_expect (mode, normal) != normal ++ || GL(dl_loaded)->l_info [ADDRIDX (DT_GNU_LIBLIST)] == NULL) ++ /* Only binaries have DT_DEBUG dynamic tags... */ ++ && GL(dl_loaded)->l_info[DT_DEBUG]) ++ { ++ /* Workaround for buggy binaries. This doesn't handle buggy ++ libraries. */ ++ bool buggy = false; ++ const ElfW(Sym) *symtab = (const void *) D_PTR (GL(dl_loaded), l_info[DT_SYMTAB]); ++ const char *strtab = (const void *) D_PTR (GL(dl_loaded), l_info[DT_STRTAB]); ++ Elf_Symndx symidx; ++ for (symidx = GL(dl_loaded)->l_buckets[0x6c994f % GL(dl_loaded)->l_nbuckets]; ++ !buggy && symidx != STN_UNDEF; ++ symidx = GL(dl_loaded)->l_chain[symidx]) ++ { ++ if (__builtin_expect (strcmp (strtab + symtab[symidx].st_name, ++ "errno") == 0, 0) ++ && ELFW(ST_TYPE) (symtab[symidx].st_info) != STT_TLS) ++ buggy = true; ++ } ++ for (symidx = GL(dl_loaded)->l_buckets[0xe5c992f % GL(dl_loaded)->l_nbuckets]; ++ !buggy && symidx != STN_UNDEF; ++ symidx = GL(dl_loaded)->l_chain[symidx]) ++ { ++ if (__builtin_expect (strcmp (strtab + symtab[symidx].st_name, ++ "h_errno") == 0, 0) ++ && ELFW(ST_TYPE) (symtab[symidx].st_info) != STT_TLS) ++ buggy = true; ++ } ++ if (__builtin_expect (buggy, false)) ++ { ++ if (GL(dl_osversion) > 0x20401) ++ GL(dl_osversion) = 0x20401; ++ _dl_error_printf ("ld.so: Incorrectly built binary which accesses errno or h_errno directly.\n" ++ "ld.so: See /usr/share/doc/libc6/FAQ.gz.\n"); ++ } ++ } ++#endif ++ + /* Set up the program header information for the dynamic linker + itself. It is needed in the dl_iterate_phdr() callbacks. */ + ElfW(Ehdr) *rtld_ehdr = (ElfW(Ehdr) *) GL(dl_rtld_map).l_map_start; |