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authorUlrich Drepper <drepper@redhat.com>2009-06-15 16:17:09 -0700
committerUlrich Drepper <drepper@redhat.com>2009-06-15 16:17:09 -0700
commit48dcd0ba84c5a0fa08a0bd000b24af07d20dce44 (patch)
tree846d0d74f1e00584a5973bb3eec4ee414314f436 /stdlib
parent6355c99740c91ed5a7fa14e378f74950e09f5f48 (diff)
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Preserve message printed before abort.
The terminal output etc is not visible in a core file. The new libc-internal variable __abort_msg will point to a string with the message which has been printed before the abort in case abort is called from inside libc. BZ #10217
Diffstat (limited to 'stdlib')
-rw-r--r--stdlib/Versions2
-rw-r--r--stdlib/abort.c6
2 files changed, 7 insertions, 1 deletions
diff --git a/stdlib/Versions b/stdlib/Versions
index 93c68f6e31..3e7b8921c4 100644
--- a/stdlib/Versions
+++ b/stdlib/Versions
@@ -104,5 +104,7 @@ libc {
# functions which have an additional interface since they are
# are cancelable.
__libc_system;
+ # Variable which needs a dynamic symbol table entry.
+ __abort_msg;
}
}
diff --git a/stdlib/abort.c b/stdlib/abort.c
index 00788f22c7..3c188c9516 100644
--- a/stdlib/abort.c
+++ b/stdlib/abort.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,93,95,96,97,98,2001,02 Free Software Foundation, Inc.
+/* Copyright (C) 1991,93,1995-1998,2001,02,2009 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
@@ -36,6 +36,10 @@
# define fflush(s) _IO_flush_all_lockp (0)
#endif
+/* Exported variable to locate abort message in core files etc. */
+char *__abort_msg __attribute__ ((nocommon));
+libc_hidden_def (__abort_msg)
+
/* We must avoid to run in circles. Therefore we remember how far we
already got. */
static int stage;