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author | Dave Brolley <brolley@redhat.com> | 2009-04-02 12:38:15 -0400 |
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committer | Dave Brolley <brolley@redhat.com> | 2009-04-02 12:38:15 -0400 |
commit | 2f53f831393d2f0db3d54260c2a7882eff17905c (patch) | |
tree | ba140bbad1fd4acaa7c2253949a2b2ade53952a2 /testsuite/systemtap.context/usymbols_lib.c | |
parent | 2f54c4fe5a3aa21b4d5c38edabf83f3cdad0177d (diff) | |
parent | 15a78144473940a4e7c685cc57ba09a92f2293c6 (diff) | |
download | systemtap-steved-2f53f831393d2f0db3d54260c2a7882eff17905c.tar.gz systemtap-steved-2f53f831393d2f0db3d54260c2a7882eff17905c.tar.xz systemtap-steved-2f53f831393d2f0db3d54260c2a7882eff17905c.zip |
Merge branch 'master' of git://sources.redhat.com/git/systemtap
Conflicts:
configure
Diffstat (limited to 'testsuite/systemtap.context/usymbols_lib.c')
-rw-r--r-- | testsuite/systemtap.context/usymbols_lib.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testsuite/systemtap.context/usymbols_lib.c b/testsuite/systemtap.context/usymbols_lib.c new file mode 100644 index 00000000..faccb39b --- /dev/null +++ b/testsuite/systemtap.context/usymbols_lib.c @@ -0,0 +1,29 @@ +/* usymbol test case - library helper + * Copyright (C) 2008, Red Hat Inc. + * + * This file is part of systemtap, and is free software. You can + * redistribute it and/or modify it under the terms of the GNU General + * Public License (GPL); either version 2, or (at your option) any + * later version. + * + * Uses signal to tranfer user space addresses into the kernel where a + * probe on sigaction will extract them and produce the symbols. To + * poke into the executable we get the sa_handler set through signal + * from this library. + */ + +#include <signal.h> +typedef void (*sighandler_t)(int); + +void +lib_handler (int signum) +{ + /* dummy handler, just used for the address... */ +} + +void +lib_main () +{ + // Use SIGFPE since we never expect that to be triggered. + signal(SIGFPE, lib_handler); +} |