diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/configure | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/configure.in | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-librecon.h | 49 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-osinfo.h | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/dl-librecon.h | 23 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/readelflib.c | 19 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/readelflib.c | 19 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/init-first.c | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/readelflib.c | 21 |
9 files changed, 114 insertions, 27 deletions
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure index e6d4a7d029..fc5297de26 100644 --- a/sysdeps/unix/sysv/linux/configure +++ b/sysdeps/unix/sysv/linux/configure @@ -87,6 +87,7 @@ if test -n "$minimum_kernel"; then echo $ac_n "checking for kernel header at least $minimum_kernel""... $ac_c" 1>&6 echo "configure:89: checking for kernel header at least $minimum_kernel" >&5 decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`; + abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`; cat > conftest.$ac_ext <<EOF #line 92 "configure" #include "confdefs.h" @@ -111,6 +112,10 @@ rm -f conftest* #define __LINUX_KERNEL_VERSION $decnum EOF + cat >> confdefs.h <<EOF +#define __ABI_TAG_VERSION $abinum +EOF + else { echo "configure: error: *** The available kernel headers are older than the requested *** compatible kernel version" 1>&2; exit 1; } diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in index 7d538e8d51..afe798218a 100644 --- a/sysdeps/unix/sysv/linux/configure.in +++ b/sysdeps/unix/sysv/linux/configure.in @@ -74,6 +74,7 @@ if test -n "$minimum_kernel"; then AC_MSG_CHECKING(for kernel header at least $minimum_kernel) changequote(,)dnl decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`; + abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`; changequote([,])dnl AC_EGREP_CPP([eat flaming death], [#include <linux/version.h> #if LINUX_VERSION_CODE < $decnum @@ -82,6 +83,7 @@ eat flaming death AC_MSG_RESULT($libc_minimum_kernel) if test "$libc_minimum_kernel" = ok; then AC_DEFINE_UNQUOTED(__LINUX_KERNEL_VERSION, $decnum) + AC_DEFINE_UNQUOTED(__ABI_TAG_VERSION, $abinum) else AC_MSG_ERROR([*** The available kernel headers are older than the requested *** compatible kernel version]) diff --git a/sysdeps/unix/sysv/linux/dl-librecon.h b/sysdeps/unix/sysv/linux/dl-librecon.h new file mode 100644 index 0000000000..843e87485b --- /dev/null +++ b/sysdeps/unix/sysv/linux/dl-librecon.h @@ -0,0 +1,49 @@ +/* Optional code to distinguish library flavours. + Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2001. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _DL_LIBRECON_H +#define _DL_LIBRECON_H 1 + +/* Recognizing extra environment variables. */ +#define EXTRA_LD_ENVVARS \ + case 13: \ + if (memcmp (&envline[3], "ASSUME_KERNEL", 13) == 0) \ + { \ + unsigned long int i, j, osversion = 0; \ + char *p = &envline[17], *q; \ + \ + for (i = 0; i < 3; i++, p = q + 1) \ + { \ + j = __strtoul_internal (p, &q, 0, 0); \ + if (j >= 255 || p == q || (i < 2 && *q && *q != '.')) \ + { \ + osversion = 0; \ + break; \ + } \ + osversion |= j << (16 - 8 * i); \ + if (!*q) \ + break; \ + } \ + if (osversion) \ + _dl_osversion = osversion; \ + break; \ + } + +#endif /* dl-librecon.h */ diff --git a/sysdeps/unix/sysv/linux/dl-osinfo.h b/sysdeps/unix/sysv/linux/dl-osinfo.h index a56f8e6dc0..e9bacf430c 100644 --- a/sysdeps/unix/sysv/linux/dl-osinfo.h +++ b/sysdeps/unix/sysv/linux/dl-osinfo.h @@ -102,5 +102,7 @@ dl_fatal (const char *str) if (version < __LINUX_KERNEL_VERSION) \ /* Not sufficent. */ \ FATAL ("FATAL: kernel too old\n"); \ + \ + _dl_osversion = version; \ } \ } while (0) diff --git a/sysdeps/unix/sysv/linux/i386/dl-librecon.h b/sysdeps/unix/sysv/linux/i386/dl-librecon.h index 7d486c5d91..26311b32e4 100644 --- a/sysdeps/unix/sysv/linux/i386/dl-librecon.h +++ b/sysdeps/unix/sysv/linux/i386/dl-librecon.h @@ -48,6 +48,29 @@ /* Recognizing extra environment variables. */ #define EXTRA_LD_ENVVARS \ + case 13: \ + if (memcmp (&envline[3], "ASSUME_KERNEL", 13) == 0) \ + { \ + unsigned long int i, j, osversion = 0; \ + char *p = &envline[17], *q; \ + \ + for (i = 0; i < 3; i++, p = q + 1) \ + { \ + j = __strtoul_internal (p, &q, 0, 0); \ + if (j >= 255 || p == q || (i < 2 && *q && *q != '.')) \ + { \ + osversion = 0; \ + break; \ + } \ + osversion |= j << (16 - 8 * i); \ + if (!*q) \ + break; \ + } \ + if (osversion) \ + _dl_osversion = osversion; \ + break; \ + } \ + \ case 15: \ if (memcmp (&envline[3], "LIBRARY_VERSION", 15) == 0) \ { \ diff --git a/sysdeps/unix/sysv/linux/i386/readelflib.c b/sysdeps/unix/sysv/linux/i386/readelflib.c index f8868bb083..cc219d2c3f 100644 --- a/sysdeps/unix/sysv/linux/i386/readelflib.c +++ b/sysdeps/unix/sysv/linux/i386/readelflib.c @@ -20,23 +20,24 @@ int process_elf32_file (const char *file_name, const char *lib, int *flag, - char **soname, void *file_contents, - size_t file_length); + unsigned int *osversion, char **soname, + void *file_contents, size_t file_length); int process_elf64_file (const char *file_name, const char *lib, int *flag, - char **soname, void *file_contents, - size_t file_length); + unsigned int *osversion, 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, - char **soname, void *file_contents, size_t file_length) + unsigned int *osversion, char **soname, void *file_contents, + size_t file_length) { ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents; int ret; if (elf_header->e_ident [EI_CLASS] == ELFCLASS32) - return process_elf32_file (file_name, lib, flag, soname, file_contents, - file_length); + return process_elf32_file (file_name, lib, flag, osversion, soname, + file_contents, file_length); else { switch (elf_header->e_machine) @@ -50,8 +51,8 @@ process_elf_file (const char *file_name, const char *lib, int *flag, return 1; } - ret = process_elf64_file (file_name, lib, flag, soname, file_contents, - file_length); + ret = process_elf64_file (file_name, lib, flag, osversion, soname, + file_contents, file_length); /* IA64/X86-64 64bit libraries are always libc.so.6+. */ if (!ret) switch (elf_header->e_machine) diff --git a/sysdeps/unix/sysv/linux/ia64/readelflib.c b/sysdeps/unix/sysv/linux/ia64/readelflib.c index 29a402ba68..efc699fb05 100644 --- a/sysdeps/unix/sysv/linux/ia64/readelflib.c +++ b/sysdeps/unix/sysv/linux/ia64/readelflib.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001 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 @@ -18,25 +18,28 @@ int process_elf32_file (const char *file_name, const char *lib, int *flag, - char **soname, void *file_contents, size_t file_length); + unsigned int *osversion, char **soname, + void *file_contents, size_t file_length); int process_elf64_file (const char *file_name, const char *lib, int *flag, - char **soname, void *file_contents, size_t file_length); + unsigned int *osversion, 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, - char **soname, void *file_contents, size_t file_length) + unsigned int *osversion, char **soname, + void *file_contents, size_t file_length) { ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents; int ret; if (elf_header->e_ident [EI_CLASS] == ELFCLASS32) - return process_elf32_file (file_name, lib, flag, soname, file_contents, - file_length); + return process_elf32_file (file_name, lib, flag, osversion, soname, + file_contents, file_length); else { - ret = process_elf64_file (file_name, lib, flag, soname, file_contents, - file_length); + ret = process_elf64_file (file_name, lib, flag, osversion, soname, + file_contents, file_length); /* Intel 64bit libraries are always libc.so.6+. */ if (!ret) *flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6; diff --git a/sysdeps/unix/sysv/linux/init-first.c b/sysdeps/unix/sysv/linux/init-first.c index 512a69665b..017878a9e5 100644 --- a/sysdeps/unix/sysv/linux/init-first.c +++ b/sysdeps/unix/sysv/linux/init-first.c @@ -29,6 +29,7 @@ #include <libc-internal.h> #ifndef SHARED +# include <ldsodefs.h> # include "dl-osinfo.h" #endif diff --git a/sysdeps/unix/sysv/linux/sparc/readelflib.c b/sysdeps/unix/sysv/linux/sparc/readelflib.c index f5006278bb..f8d383e1f7 100644 --- a/sysdeps/unix/sysv/linux/sparc/readelflib.c +++ b/sysdeps/unix/sysv/linux/sparc/readelflib.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 1999 and Jakub Jelinek <jakub@redhat.com>, 1999. @@ -20,27 +20,28 @@ int process_elf32_file (const char *file_name, const char *lib, int *flag, - char **soname, void *file_contents, - size_t file_length); + unsigned int *osversion, char **soname, + void *file_contents, size_t file_length); int process_elf64_file (const char *file_name, const char *lib, int *flag, - char **soname, void *file_contents, - size_t file_length); + unsigned int *osversion, 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, - char **soname, void *file_contents, size_t file_length) + unsigned int *osversion, char **soname, void *file_contents, + size_t file_length) { ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents; int ret; if (elf_header->e_ident [EI_CLASS] == ELFCLASS32) - return process_elf32_file (file_name, lib, flag, soname, file_contents, - file_length); + return process_elf32_file (file_name, lib, flag, osversion, soname, + file_contents, file_length); else { - ret = process_elf64_file (file_name, lib, flag, soname, file_contents, - file_length); + ret = process_elf64_file (file_name, lib, flag, osversion, soname, + file_contents, file_length); /* Sparc 64bit libraries are always libc.so.6+. */ if (!ret) *flag = FLAG_SPARC_LIB64|FLAG_ELF_LIBC6; |