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-rw-r--r--sysdeps/generic/bits/types.h11
-rw-r--r--sysdeps/generic/memset_chk.c6
-rw-r--r--sysdeps/i386/i686/memset.S8
-rw-r--r--sysdeps/i386/i686/memset_chk.S8
-rw-r--r--sysdeps/unix/sysv/linux/libc_fatal.c30
-rw-r--r--sysdeps/x86_64/memset.S8
-rw-r--r--sysdeps/x86_64/memset_chk.S6
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
generated by cgit v1.1 at 2024-08-31 04:53:29 +0000