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Add copyright header.

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(main): Be verbose only if an argument is passed.

(Logical change 1.42)
This commit is contained in:
mostang.com!davidm 2003-01-23 18:47:51 +00:00
parent 83893355b0
commit ffaba71c4e
1 changed files with 50 additions and 5 deletions
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55
tests/test-dyn1.c
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@ -1,3 +1,30 @@
/* libunwind - a platform-independent unwind library
Copyright (C) 2002-2003 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/* This file tests dynamic code-generation via function-cloning. */
#include <libunwind.h>
#include <malloc.h>
#include <stdio.h>
@ -14,6 +41,8 @@ typedef void (*template_t) (int, void (*)(),
int (*)(const char *, ...), const char *,
const char **);
int verbose;
static const char *strarr[] =
{
"i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix", "x", NULL
@ -70,7 +99,8 @@ sighandler (int signal)
unw_context_t uc;
int count = 0;
printf ("caught signal %d\n", signal);
if (verbose)
printf ("caught signal %d\n", signal);
unw_getcontext (&uc);
unw_init_local (&cursor, &uc);
@ -83,7 +113,8 @@ sighandler (int signal)
do
{
unw_get_reg (&cursor, UNW_REG_IP, &ip);
printf ("ip = %lx\n", (long) ip);
if (verbose)
printf ("ip = %lx\n", (long) ip);
++count;
}
while (unw_step (&cursor) > 0);
@ -91,10 +122,17 @@ sighandler (int signal)
if (count != 13)
panic ("FAILURE: expected 13, not %d frames below signal frame\n", count);
printf ("SUCCESS\n");
if (verbose)
printf ("SUCCESS\n");
exit (0);
}
int
dev_null (const char *format, ...)
{
return 0;
}
int
main (int argc, char *argv[])
{
@ -104,11 +142,15 @@ main (int argc, char *argv[])
template_t funcp;
void *mem;
if (argc > 1)
++verbose;
mem = malloc (getpagesize ());
get_fdesc (fdesc, template);
printf ("old code @ %p, new code @ %p\n", (void *) fdesc.code, mem);
if (verbose)
printf ("old code @ %p, new code @ %p\n", (void *) fdesc.code, mem);
memcpy (mem, (void *) fdesc.code, 256);
mprotect ((void *) ((long) mem & ~(getpagesize () - 1)),
@ -139,7 +181,10 @@ main (int argc, char *argv[])
fdesc.code = (long) mem;
funcp = get_funcp (fdesc);
(*funcp) (10, funcp, printf, "iteration %c%s\n", strarr);
if (verbose)
(*funcp) (10, funcp, printf, "iteration %c%s\n", strarr);
else
(*funcp) (10, funcp, dev_null, "iteration %c%s\n", strarr);
_U_dyn_cancel (&di);
return -1;