diff options
author | Andreas Schwab <schwab@redhat.com> | 2010-05-14 11:15:22 +0200 |
---|---|---|
committer | Andreas Schwab <schwab@redhat.com> | 2010-05-14 13:13:53 +0200 |
commit | e9691db5366a2990ccebf157c757ae60258b46d6 (patch) | |
tree | f17aa7f144b1acde14902700a13f95055bab6c70 /sysdeps | |
parent | 5e6e747fa224df1159f7eb32bc26d44cad0dbb17 (diff) | |
parent | 6d270188ef3fe10125b8723ed69ebdc9e90e914e (diff) |
Merge remote branch 'origin/release/2.11/master' into fedora/2.11/master
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/i386/lshift.S | 4 | ||||
-rw-r--r-- | sysdeps/ia64/memchr.S | 8 | ||||
-rw-r--r-- | sysdeps/mach/hurd/ttyname_r.c | 6 | ||||
-rw-r--r-- | sysdeps/posix/cuserid.c | 5 | ||||
-rw-r--r-- | sysdeps/s390/s390-64/utf16-utf32-z9.c | 11 | ||||
-rw-r--r-- | sysdeps/s390/s390-64/utf8-utf16-z9.c | 9 | ||||
-rw-r--r-- | sysdeps/unix/bsd/ptsname.c | 11 | ||||
-rw-r--r-- | sysdeps/unix/getlogin.c | 9 | ||||
-rw-r--r-- | sysdeps/unix/readdir_r.c | 14 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/getsysstats.c | 14 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/fallocate.c | 8 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/fallocate64.c | 8 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/readdir64_r.c | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/ifaddrs.c | 55 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c | 2 | ||||
-rw-r--r-- | sysdeps/x86_64/dl-machine.h | 4 | ||||
-rw-r--r-- | sysdeps/x86_64/multiarch/init-arch.c | 33 | ||||
-rw-r--r-- | sysdeps/x86_64/multiarch/init-arch.h | 4 |
19 files changed, 145 insertions, 65 deletions
diff --git a/sysdeps/i386/lshift.S b/sysdeps/i386/lshift.S index 536d9878eb..398cf038c7 100644 --- a/sysdeps/i386/lshift.S +++ b/sysdeps/i386/lshift.S @@ -1,5 +1,5 @@ /* i80386 __mpn_lshift -- - Copyright (C) 1992, 1994, 1997-2000, 2005 Free Software Foundation, Inc. + Copyright (C) 1992,1994,1997-2000,2005,2010 Free Software Foundation, Inc. This file is part of the GNU MP Library. The GNU MP Library is free software; you can redistribute it and/or modify @@ -55,6 +55,7 @@ ENTRY (BP_SYM (__mpn_lshift)) movl (%esi,%edx,4),%ebx /* read most significant limb */ cfi_rel_offset (ebx, 0) + cfi_remember_state xorl %eax,%eax shldl %cl,%ebx,%eax /* compute carry limb */ decl %edx @@ -95,6 +96,7 @@ L(1): movl (%esi,%edx,4),%eax LEAVE ret + cfi_restore_state L(end): shll %cl,%ebx /* compute least significant limb */ movl %ebx,(%edi) /* store it */ diff --git a/sysdeps/ia64/memchr.S b/sysdeps/ia64/memchr.S index cdd71ca5a5..56d8056839 100644 --- a/sysdeps/ia64/memchr.S +++ b/sysdeps/ia64/memchr.S @@ -47,7 +47,7 @@ #define saved_lc r16 #define chr r17 #define len r18 -#define pos0 r20 +#define last r20 #define val r21 #define tmp r24 #define chrx8 r25 @@ -67,6 +67,7 @@ ENTRY(__memchr) mov saved_pr = pr // save the predicates .body mov ret0 = str + add last = str, in2 // last byte and tmp = 7, str // tmp = str % 8 cmp.ne p7, p0 = r0, r0 // clear p7 extr.u chr = in1, 0, 8 // chr = (unsigned char) in1 @@ -143,7 +144,10 @@ ENTRY(__memchr) ld8 tmp = [ret0];; // load the first unchecked 8byte xor aux[1] = tmp, chrx8;; czx1.r poschr[1] = aux[1];; - cmp.ne p7, p0 = 8, poschr[1] + cmp.ne p7, p0 = 8, poschr[1];; +(p7) add ret0 = addr[MEMLAT+2], poschr[1];; +(p7) cmp.geu p6, p7 = ret0, last // don't go over the last byte +(p6) br.cond.spnt .notfound;; (p7) br.cond.spnt .foundit;; adds ret0 = 8, ret0 // load the next unchecked 8byte br.sptk .l4;; diff --git a/sysdeps/mach/hurd/ttyname_r.c b/sysdeps/mach/hurd/ttyname_r.c index 7313b9afcb..8896252246 100644 --- a/sysdeps/mach/hurd/ttyname_r.c +++ b/sysdeps/mach/hurd/ttyname_r.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1994, 95, 96, 98 Free Software Foundation, Inc. +/* Copyright (C) 1994,1995,1996,1998,2010 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 @@ -34,13 +34,13 @@ __ttyname_r (int fd, char *buf, size_t buflen) nodename[0] = '\0'; if (err = HURD_DPORT_USE (fd, __term_get_nodename (port, nodename))) - return __hurd_dfail (fd, err), -1; + return __hurd_dfail (fd, err), errno; len = strlen (nodename) + 1; if (len > buflen) { errno = EINVAL; - return -1; + return errno; } memcpy (buf, nodename, len); diff --git a/sysdeps/posix/cuserid.c b/sysdeps/posix/cuserid.c index 11c827a686..a74ff84368 100644 --- a/sysdeps/posix/cuserid.c +++ b/sysdeps/posix/cuserid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1996, 1998, 1999, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1996, 1998, 1999, 2001, 2010 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 @@ -44,5 +44,6 @@ cuserid (s) if (s == NULL) s = name; - return strncpy (s, pwptr->pw_name, L_cuserid); + s[L_cuserid - 1] = '\0'; + return strncpy (s, pwptr->pw_name, L_cuserid - 1); } diff --git a/sysdeps/s390/s390-64/utf16-utf32-z9.c b/sysdeps/s390/s390-64/utf16-utf32-z9.c index 868dea68ca..14daf2118f 100644 --- a/sysdeps/s390/s390-64/utf16-utf32-z9.c +++ b/sysdeps/s390/s390-64/utf16-utf32-z9.c @@ -203,7 +203,10 @@ gconv_end (struct __gconv_step *data) swapping). */ #define BODY \ { \ - if (GLRO (dl_hwcap) & HWCAP_S390_ETF3EH) \ + /* The hardware instruction currently fails to report an error for \ + isolated low surrogates so we have to disable the instruction \ + until this gets resolved. */ \ + if (0) /* (GLRO (dl_hwcap) & HWCAP_S390_ETF3EH) */ \ { \ HARDWARE_CONVERT ("cu24 %0, %1, 1"); \ if (inptr != inend) \ @@ -229,6 +232,12 @@ gconv_end (struct __gconv_step *data) } \ else \ { \ + /* An isolated low-surrogate was found. This has to be \ + considered ill-formed. */ \ + if (__builtin_expect (u1 >= 0xdc00, 0)) \ + { \ + STANDARD_FROM_LOOP_ERR_HANDLER (2); \ + } \ /* It's a surrogate character. At least the first word says \ it is. */ \ if (__builtin_expect (inptr + 4 > inend, 0)) \ diff --git a/sysdeps/s390/s390-64/utf8-utf16-z9.c b/sysdeps/s390/s390-64/utf8-utf16-z9.c index 531d3ebd4b..5f73f3c59e 100644 --- a/sysdeps/s390/s390-64/utf8-utf16-z9.c +++ b/sysdeps/s390/s390-64/utf8-utf16-z9.c @@ -345,9 +345,12 @@ gconv_end (struct __gconv_step *data) Operation. */ #define BODY \ { \ - if (GLRO (dl_hwcap) & HWCAP_S390_ETF3EH) \ + /* The hardware instruction currently fails to report an error for \ + isolated low surrogates so we have to disable the instruction \ + until this gets resolved. */ \ + if (0) /* (GLRO (dl_hwcap) & HWCAP_S390_ETF3EH) */ \ { \ - HARDWARE_CONVERT ("cu21 %0, %1"); \ + HARDWARE_CONVERT ("cu21 %0, %1, 1"); \ if (inptr != inend) \ { \ /* Check if the third byte is \ @@ -388,7 +391,7 @@ gconv_end (struct __gconv_step *data) \ outptr += 2; \ } \ - else if (c >= 0x0800 && c <= 0xd7ff) \ + else if ((c >= 0x0800 && c <= 0xd7ff) || c > 0xdfff) \ { \ /* Three byte UTF-8 char. */ \ \ diff --git a/sysdeps/unix/bsd/ptsname.c b/sysdeps/unix/bsd/ptsname.c index fd446a4b66..6063201b0f 100644 --- a/sysdeps/unix/bsd/ptsname.c +++ b/sysdeps/unix/bsd/ptsname.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998,2002 Free Software Foundation, Inc. +/* Copyright (C) 1998,2002,2010 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 @@ -44,6 +44,7 @@ int __ptsname_r (int fd, char *buf, size_t buflen) { int save_errno = errno; + int err; struct stat st; if (buf == NULL) @@ -62,8 +63,12 @@ __ptsname_r (int fd, char *buf, size_t buflen) return ERANGE; } - if (__ttyname_r (fd, buf, buflen) != 0) - return errno; + err = __ttyname_r (fd, buf, buflen); + if (err != 0) + { + __set_errno (err); + return errno; + } buf[sizeof (_PATH_DEV) - 1] = 't'; diff --git a/sysdeps/unix/getlogin.c b/sysdeps/unix/getlogin.c index 4752685f86..7345af0886 100644 --- a/sysdeps/unix/getlogin.c +++ b/sysdeps/unix/getlogin.c @@ -33,6 +33,7 @@ getlogin (void) { char tty_pathname[2 + 2 * NAME_MAX]; char *real_tty_path = tty_pathname; + int err; char *result = NULL; static char name[UT_NAMESIZE + 1]; struct utmp *ut, line, buffer; @@ -46,8 +47,12 @@ getlogin (void) thing to do. Note that ttyname(open("/dev/tty")) on those systems returns /dev/tty, so that is not a possible solution for getlogin(). */ - if (__ttyname_r (0, real_tty_path, sizeof (tty_pathname)) != 0) - return NULL; + err = __ttyname_r (0, real_tty_path, sizeof (tty_pathname)); + if (err != 0) + { + __set_errno (err); + return NULL; + } real_tty_path += 5; /* Remove "/dev/". */ diff --git a/sysdeps/unix/readdir_r.c b/sysdeps/unix/readdir_r.c index f84709e737..93727912c1 100644 --- a/sysdeps/unix/readdir_r.c +++ b/sysdeps/unix/readdir_r.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991,92,93,94,95,96,97,98,99,2000,02 +/* Copyright (C) 1991,92,93,94,95,96,97,98,99,2000,02,10 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -113,7 +113,17 @@ __READDIR_R (DIR *dirp, DIRENT_TYPE *entry, DIRENT_TYPE **result) while (dp->d_ino == 0); if (dp != NULL) - *result = memcpy (entry, dp, reclen); + { +#ifdef GETDENTS_64BIT_ALIGNED + /* The d_reclen value might include padding which is not part of + the DIRENT_TYPE data structure. */ + reclen = MIN (reclen, sizeof (DIRENT_TYPE)); +#endif + *result = memcpy (entry, dp, reclen); +#ifdef GETDENTS_64BIT_ALIGNED + entry->d_reclen = reclen; +#endif + } else *result = NULL; diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c index 97e20d249b..af454b650d 100644 --- a/sysdeps/unix/sysv/linux/getsysstats.c +++ b/sysdeps/unix/sysv/linux/getsysstats.c @@ -1,5 +1,5 @@ /* Determine various system internal values, Linux version. - Copyright (C) 1996-2003, 2006, 2007, 2009 Free Software Foundation, Inc. + Copyright (C) 1996-2003,2006,2007,2009,2010 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -117,18 +117,6 @@ next_line (int fd, char *const buffer, char **cp, char **re, if (nl == NULL) nl = *re - 1; } - else if (nl + 5 >= *re) - { - memmove (buffer, nl, *re - nl); - *re = buffer + (*re - nl); - nl = *cp = buffer; - - ssize_t n = read_not_cancel (fd, *re, buffer_end - *re); - if (n < 0) - return NULL; - - *re += n; - } *cp = nl + 1; assert (*cp <= *re); diff --git a/sysdeps/unix/sysv/linux/i386/fallocate.c b/sysdeps/unix/sysv/linux/i386/fallocate.c index 14e788386c..1434a833f9 100644 --- a/sysdeps/unix/sysv/linux/i386/fallocate.c +++ b/sysdeps/unix/sysv/linux/i386/fallocate.c @@ -30,7 +30,13 @@ int fallocate (int fd, int mode, __off_t offset, __off_t len) { #ifdef __NR_fallocate - return __call_fallocate (fd, mode, offset, len); + int err = __call_fallocate (fd, mode, offset, len); + if (__builtin_expect (err, 0)) + { + __set_errno (err); + err = -1; + } + return err; #else __set_errno (ENOSYS); return -1; diff --git a/sysdeps/unix/sysv/linux/i386/fallocate64.c b/sysdeps/unix/sysv/linux/i386/fallocate64.c index 85f315c9b6..063bab06e9 100644 --- a/sysdeps/unix/sysv/linux/i386/fallocate64.c +++ b/sysdeps/unix/sysv/linux/i386/fallocate64.c @@ -30,7 +30,13 @@ int fallocate64 (int fd, int mode, __off64_t offset, __off64_t len) { #ifdef __NR_fallocate - return __call_fallocate (fd, mode, offset, len); + int err = __call_fallocate (fd, mode, offset, len); + if (__builtin_expect (err, 0)) + { + __set_errno (err); + err = -1; + } + return err; #else __set_errno (ENOSYS); return -1; diff --git a/sysdeps/unix/sysv/linux/i386/readdir64_r.c b/sysdeps/unix/sysv/linux/i386/readdir64_r.c index c6da57b75e..f96f16a6f2 100644 --- a/sysdeps/unix/sysv/linux/i386/readdir64_r.c +++ b/sysdeps/unix/sysv/linux/i386/readdir64_r.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2004, 2010 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 @@ -19,6 +19,7 @@ #define __READDIR_R __readdir64_r #define __GETDENTS __getdents64 #define DIRENT_TYPE struct dirent64 +#define GETDENTS_64BIT_ALIGNED 1 #include <sysdeps/unix/readdir_r.c> diff --git a/sysdeps/unix/sysv/linux/ifaddrs.c b/sysdeps/unix/sysv/linux/ifaddrs.c index 149bd1c3ba..84f223ddbd 100644 --- a/sysdeps/unix/sysv/linux/ifaddrs.c +++ b/sysdeps/unix/sysv/linux/ifaddrs.c @@ -1,5 +1,5 @@ /* getifaddrs -- get names and addresses of all network interfaces - Copyright (C) 2003-2008, 2009 Free Software Foundation, Inc. + Copyright (C) 2003-2008, 2009, 2010 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 @@ -315,17 +315,19 @@ map_newlink (int index, struct ifaddrs_storage *ifas, int *map, int max) else if (map[i] == index) return i; } - /* This should never be reached. If this will be reached, we have - a very big problem. */ - abort (); + + /* This means interfaces changed inbetween the reading of the + RTM_GETLINK and RTM_GETADDR information. We have to repeat + everything. */ + return -1; } /* Create a linked list of `struct ifaddrs' structures, one for each network interface on the host machine. If successful, store the list in *IFAP and return 0. On errors, return -1 and set `errno'. */ -int -getifaddrs (struct ifaddrs **ifap) +static int +getifaddrs_internal (struct ifaddrs **ifap) { struct netlink_handle nh = { 0, 0, 0, NULL, NULL }; struct netlink_res *nlp; @@ -481,6 +483,13 @@ getifaddrs (struct ifaddrs **ifap) kernel. */ ifa_index = map_newlink (ifim->ifi_index - 1, ifas, map_newlink_data, newlink); + if (__builtin_expect (ifa_index == -1, 0)) + { + try_again: + result = -EAGAIN; + free (ifas); + goto exit_free; + } ifas[ifa_index].ifa.ifa_flags = ifim->ifi_flags; while (RTA_OK (rta, rtasize)) @@ -565,9 +574,11 @@ getifaddrs (struct ifaddrs **ifap) that we have holes in the interface part of the list, but we always have already the interface for this address. */ ifa_index = newlink + newaddr_idx; - ifas[ifa_index].ifa.ifa_flags - = ifas[map_newlink (ifam->ifa_index - 1, ifas, - map_newlink_data, newlink)].ifa.ifa_flags; + int idx = map_newlink (ifam->ifa_index - 1, ifas, + map_newlink_data, newlink); + if (__builtin_expect (idx == -1, 0)) + goto try_again; + ifas[ifa_index].ifa.ifa_flags = ifas[idx].ifa.ifa_flags; if (ifa_index > 0) ifas[ifa_index - 1].ifa.ifa_next = &ifas[ifa_index].ifa; ++newaddr_idx; @@ -747,9 +758,13 @@ getifaddrs (struct ifaddrs **ifap) /* If we didn't get the interface name with the address, use the name from the interface entry. */ if (ifas[ifa_index].ifa.ifa_name == NULL) - ifas[ifa_index].ifa.ifa_name - = ifas[map_newlink (ifam->ifa_index - 1, ifas, - map_newlink_data, newlink)].ifa.ifa_name; + { + int idx = map_newlink (ifam->ifa_index - 1, ifas, + map_newlink_data, newlink); + if (__builtin_expect (idx == -1, 0)) + goto try_again; + ifas[ifa_index].ifa.ifa_name = ifas[idx].ifa.ifa_name; + } /* Calculate the netmask. */ if (ifas[ifa_index].ifa.ifa_addr @@ -826,6 +841,22 @@ getifaddrs (struct ifaddrs **ifap) return result; } + + +/* Create a linked list of `struct ifaddrs' structures, one for each + network interface on the host machine. If successful, store the + list in *IFAP and return 0. On errors, return -1 and set `errno'. */ +int +getifaddrs (struct ifaddrs **ifap) +{ + int res; + + do + res = getifaddrs_internal (ifap); + while (res == -EAGAIN); + + return res; +} libc_hidden_def (getifaddrs) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c index b28e587498..f2c1518572 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c +++ b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c @@ -46,7 +46,7 @@ { \ if ((oss.ss_flags & SS_ONSTACK) == 0 \ || ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp \ - >= oss.ss_size)) \ + < oss.ss_size)) \ __fortify_fail ("longjmp causes uninitialized stack frame");\ } \ } \ diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c index dcf58fb50b..261be250dc 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c +++ b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c @@ -46,7 +46,7 @@ { \ if ((oss.ss_flags & SS_ONSTACK) == 0 \ || ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp \ - >= oss.ss_size)) \ + < oss.ss_size)) \ __fortify_fail ("longjmp causes uninitialized stack frame");\ } \ } \ diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h index 61a0556d5e..f615e9591f 100644 --- a/sysdeps/x86_64/dl-machine.h +++ b/sysdeps/x86_64/dl-machine.h @@ -1,5 +1,5 @@ /* Machine-dependent ELF dynamic relocation inline functions. x86-64 version. - Copyright (C) 2001-2005, 2006, 2008, 2009 Free Software Foundation, Inc. + Copyright (C) 2001-2006, 2008, 2009, 2010 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>. @@ -419,7 +419,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, case R_X86_64_PC32: value += reloc->r_addend - (Elf64_Addr) reloc_addr; *(unsigned int *) reloc_addr = value; - if (__builtin_expect (value != (unsigned int) value, 0)) + if (__builtin_expect (value != (int) value, 0)) { fmt = "\ %s: Symbol `%s' causes overflow in R_X86_64_PC32 relocation\n"; diff --git a/sysdeps/x86_64/multiarch/init-arch.c b/sysdeps/x86_64/multiarch/init-arch.c index 7823aceb9b..0fe2f86b4f 100644 --- a/sysdeps/x86_64/multiarch/init-arch.c +++ b/sysdeps/x86_64/multiarch/init-arch.c @@ -1,6 +1,6 @@ /* Initialize CPU feature data. This file is part of the GNU C Library. - Copyright (C) 2008, 2009 Free Software Foundation, Inc. + Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. Contributed by Ulrich Drepper <drepper@redhat.com>. The GNU C Library is free software; you can redistribute it and/or @@ -18,6 +18,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <atomic.h> #include <cpuid.h> #include "init-arch.h" @@ -26,7 +27,7 @@ struct cpu_features __cpu_features attribute_hidden; static void -get_common_indeces (void) +get_common_indeces (unsigned int *family, unsigned int *model) { __cpuid (1, __cpu_features.cpuid[COMMON_CPUID_INDEX_1].eax, __cpu_features.cpuid[COMMON_CPUID_INDEX_1].ebx, @@ -34,8 +35,8 @@ get_common_indeces (void) __cpu_features.cpuid[COMMON_CPUID_INDEX_1].edx); unsigned int eax = __cpu_features.cpuid[COMMON_CPUID_INDEX_1].eax; - __cpu_features.family = (eax >> 8) & 0x0f; - __cpu_features.model = (eax >> 4) & 0x0f; + *family = (eax >> 8) & 0x0f; + *model = (eax >> 4) & 0x0f; } @@ -45,36 +46,44 @@ __init_cpu_features (void) unsigned int ebx; unsigned int ecx; unsigned int edx; + unsigned int family = 0; + unsigned int model = 0; + enum cpu_features_kind kind; __cpuid (0, __cpu_features.max_cpuid, ebx, ecx, edx); /* This spells out "GenuineIntel". */ if (ebx == 0x756e6547 && ecx == 0x6c65746e && edx == 0x49656e69) { - __cpu_features.kind = arch_kind_intel; + kind = arch_kind_intel; - get_common_indeces (); + get_common_indeces (&family, &model); unsigned int eax = __cpu_features.cpuid[COMMON_CPUID_INDEX_1].eax; unsigned int extended_family = (eax >> 20) & 0xff; unsigned int extended_model = (eax >> 12) & 0xf0; if (__cpu_features.family == 0x0f) { - __cpu_features.family += extended_family; - __cpu_features.model += extended_model; + family += extended_family; + model += extended_model; } else if (__cpu_features.family == 0x06) - __cpu_features.model += extended_model; + model += extended_model; } /* This spells out "AuthenticAMD". */ else if (ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65) { - __cpu_features.kind = arch_kind_amd; + kind = arch_kind_amd; - get_common_indeces (); + get_common_indeces (&family, &model); } else - __cpu_features.kind = arch_kind_other; + kind = arch_kind_other; + + __cpu_features.family = family; + __cpu_features.model = model; + atomic_write_barrier (); + __cpu_features.kind = kind; } #undef __get_cpu_features diff --git a/sysdeps/x86_64/multiarch/init-arch.h b/sysdeps/x86_64/multiarch/init-arch.h index 9b12831a6e..f6320693bf 100644 --- a/sysdeps/x86_64/multiarch/init-arch.h +++ b/sysdeps/x86_64/multiarch/init-arch.h @@ -1,5 +1,5 @@ /* This file is part of the GNU C Library. - Copyright (C) 2008, 2009 Free Software Foundation, Inc. + Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -27,7 +27,7 @@ enum extern struct cpu_features { - enum + enum cpu_features_kind { arch_kind_unknown = 0, arch_kind_intel, |