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https://github.com/FEX-Emu/libunwind.git
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Fix up a little so it's silent by default.
(Logical change 1.259)
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@ -1,5 +1,5 @@
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2001-2003 Hewlett-Packard Co
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Copyright (C) 2001-2004 Hewlett-Packard Co
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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Permission is hereby granted, free of charge, to any person obtaining
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@ -21,7 +21,7 @@ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/* This shows how to use the unwind interface to modify any ancestor
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/* This test uses the unwind interface to modify the IP in an ancestor
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frame while still returning to the parent frame. */
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#include <signal.h>
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@ -33,6 +33,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#define panic(args...) \
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{ fprintf (stderr, args); exit (-1); }
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int verbose;
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static void
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sighandler (int signal)
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{
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@ -40,7 +42,8 @@ sighandler (int signal)
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unw_word_t ip;
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unw_context_t uc;
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printf ("caught signal %d\n", signal);
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if (verbose)
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printf ("caught signal %d\n", signal);
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unw_getcontext (&uc);
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if (unw_init_local (&cursor, &uc) < 0)
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@ -81,13 +84,19 @@ doit (volatile char *p)
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ch = *p; /* trigger SIGSEGV */
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printf ("doit: finishing execution!\n");
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if (verbose)
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printf ("doit: finishing execution!\n");
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}
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int
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main (int argc, char **argv)
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{
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if (argc > 1)
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verbose = 1;
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signal (SIGSEGV, sighandler);
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doit (0);
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if (verbose)
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printf ("SUCCESS\n");
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return 0;
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}
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