diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/generic/bits/types.h | 11 | ||||
-rw-r--r-- | sysdeps/generic/memset_chk.c | 6 | ||||
-rw-r--r-- | sysdeps/i386/i686/memset.S | 8 | ||||
-rw-r--r-- | sysdeps/i386/i686/memset_chk.S | 8 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/libc_fatal.c | 30 | ||||
-rw-r--r-- | sysdeps/x86_64/memset.S | 8 | ||||
-rw-r--r-- | sysdeps/x86_64/memset_chk.S | 6 |
7 files changed, 63 insertions, 14 deletions
diff --git a/sysdeps/generic/bits/types.h b/sysdeps/generic/bits/types.h index ce48964..65c8a9f 100644 --- a/sysdeps/generic/bits/types.h +++ b/sysdeps/generic/bits/types.h @@ -1,5 +1,5 @@ /* bits/types.h -- definitions of __*_t types underlying *_t types. - Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004, 2005 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 @@ -114,6 +114,9 @@ typedef struct # define __ULONG32_TYPE unsigned long int # define __S64_TYPE __quad_t # define __U64_TYPE __u_quad_t +/* We want __extension__ before typedef's that use nonstandard base types + such as `long long' in C89 mode. */ +# define __STD_TYPE __extension__ typedef #elif __WORDSIZE == 64 # define __SQUAD_TYPE long int # define __UQUAD_TYPE unsigned long int @@ -123,15 +126,13 @@ typedef struct # define __ULONG32_TYPE unsigned int # define __S64_TYPE long int # define __U64_TYPE unsigned long int +/* No need to mark the typedef with __extension__. */ +# define __STD_TYPE typedef #else # error #endif #include <bits/typesizes.h> /* Defines __*_T_TYPE macros. */ -/* We want __extension__ before typedef's that use nonstandard base types - such as `long long' in C89 mode. */ -#define __STD_TYPE __extension__ typedef - __STD_TYPE __DEV_T_TYPE __dev_t; /* Type of device numbers. */ __STD_TYPE __UID_T_TYPE __uid_t; /* Type of user identifications. */ diff --git a/sysdeps/generic/memset_chk.c b/sysdeps/generic/memset_chk.c index c311914..dfdcfbc 100644 --- a/sysdeps/generic/memset_chk.c +++ b/sysdeps/generic/memset_chk.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1997, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1997, 2003, 2004, 2005 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 @@ -90,3 +90,7 @@ __memset_chk (dstpp, c, len, dstlen) return dstpp; } +strong_alias (__memset_chk, __memset_zero_constant_len_parameter) + +link_warning (__memset_zero_constant_len_parameter, + "memset used with constant zero length parameter; this could be due to transposed parameters") diff --git a/sysdeps/i386/i686/memset.S b/sysdeps/i386/i686/memset.S index 561188f..0b47547 100644 --- a/sysdeps/i386/i686/memset.S +++ b/sysdeps/i386/i686/memset.S @@ -1,6 +1,6 @@ /* memset/bzero -- set memory area to CH/0 Highly optimized version for ix86, x>=6. - Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. @@ -101,3 +101,9 @@ ENTRY (BP_SYM (memset)) #endif END (BP_SYM (memset)) libc_hidden_builtin_def (memset) + +#if defined PIC && !defined NOT_IN_libc && !BZERO_P +strong_alias (__memset_chk, __memset_zero_constant_len_parameter) + .section .gnu.warning.__memset_zero_constant_len_parameter + .string "memset used with constant zero length parameter; this could be due to transposed parameters" +#endif diff --git a/sysdeps/i386/i686/memset_chk.S b/sysdeps/i386/i686/memset_chk.S index d178654..b71cf32 100644 --- a/sysdeps/i386/i686/memset_chk.S +++ b/sysdeps/i386/i686/memset_chk.S @@ -1,5 +1,5 @@ -/* Checking memset for x86-64. - Copyright (C) 2004 Free Software Foundation, Inc. +/* Checking memset for i686. + Copyright (C) 2004, 2005 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 @@ -32,4 +32,8 @@ ENTRY (__memset_chk) jb __chk_fail jmp memset END (__memset_chk) + +strong_alias (__memset_chk, __memset_zero_constant_len_parameter) + .section .gnu.warning.__memset_zero_constant_len_parameter + .string "memset used with constant zero length parameter; this could be due to transposed parameters" #endif diff --git a/sysdeps/unix/sysv/linux/libc_fatal.c b/sysdeps/unix/sysv/linux/libc_fatal.c index a79cfba..4c30425 100644 --- a/sysdeps/unix/sysv/linux/libc_fatal.c +++ b/sysdeps/unix/sysv/linux/libc_fatal.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993-1995,1997,2000,2002-2004 Free Software Foundation, Inc. +/* Copyright (C) 1993-1995,1997,2000,2002-2005 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 @@ -141,8 +141,32 @@ __libc_message (int do_abort, const char *fmt, ...) va_end (ap_copy); if (do_abort) - /* Terminate the process. */ - abort (); + { + if (do_abort > 1 && written) + { + void *addrs[64]; +#define naddrs (sizeof (addrs) / sizeof (addrs[0])) + int n = __backtrace (addrs, naddrs); + if (n > 2) + { +#define strnsize(str) str, strlen (str) + write (fd, strnsize ("======= Backtrace: =========\n")); + __backtrace_symbols_fd (addrs + 1, n - 1, fd); + + write (fd, strnsize ("======= Memory map: ========\n")); + int fd2 = open ("/proc/self/maps", O_RDONLY); + char buf[1024]; + ssize_t n2; + while ((n2 = read (fd2, buf, sizeof (buf))) > 0) + if (write (fd, buf, n2) != n2) + break; + close (fd2); + } + } + + /* Terminate the process. */ + abort (); + } } diff --git a/sysdeps/x86_64/memset.S b/sysdeps/x86_64/memset.S index 6c47f4c..6b718b7 100644 --- a/sysdeps/x86_64/memset.S +++ b/sysdeps/x86_64/memset.S @@ -1,6 +1,6 @@ /* memset/bzero -- set memory area to CH/0 Optimized version for x86-64. - Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>. @@ -138,3 +138,9 @@ END (memset) #if !BZERO_P libc_hidden_builtin_def (memset) #endif + +#if !BZERO_P && defined PIC && !defined NOT_IN_libc +strong_alias (__memset_chk, __memset_zero_constant_len_parameter) + .section .gnu.warning.__memset_zero_constant_len_parameter + .string "memset used with constant zero length parameter; this could be due to transposed parameters" +#endif diff --git a/sysdeps/x86_64/memset_chk.S b/sysdeps/x86_64/memset_chk.S index e62cb58..063f153 100644 --- a/sysdeps/x86_64/memset_chk.S +++ b/sysdeps/x86_64/memset_chk.S @@ -1,5 +1,5 @@ /* Checking memset for x86-64. - Copyright (C) 2004 Free Software Foundation, Inc. + Copyright (C) 2004, 2005 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 @@ -31,4 +31,8 @@ ENTRY (__memset_chk) jb __chk_fail jmp memset END (__memset_chk) + +strong_alias (__memset_chk, __memset_zero_constant_len_parameter) + .section .gnu.warning.__memset_zero_constant_len_parameter + .string "memset used with constant zero length parameter; this could be due to transposed parameters" #endif |