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107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
/* libunwind - a platform-independent unwind library
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Copyright (C) 2004 Hewlett-Packard Co
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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This file is part of libunwind.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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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 file verifies that read-only registers cannot be written to. */
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libunwind.h>
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#define panic(args...) \
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do { printf (args); ++nerrors; } while (0)
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static int verbose;
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static int nerrors;
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extern void test_func (void (*) (void));
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void
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checker (void)
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{
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unw_fpreg_t fpval;
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unw_context_t uc;
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unw_cursor_t c;
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int ret;
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fpval.raw.bits[0] = 100;
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fpval.raw.bits[1] = 101;
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unw_getcontext (&uc);
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if ((ret = unw_init_local (&c, &uc)) < 0)
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panic ("%s: unw_init_local (ret=%d)\n", __FUNCTION__, ret);
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if ((ret = unw_step (&c)) < 0)
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panic ("%s: unw_step (ret=%d)\n", __FUNCTION__, ret);
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if ((ret = unw_step (&c)) < 0)
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panic ("%s: unw_step (ret=%d)\n", __FUNCTION__, ret);
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if ((ret = unw_set_reg (&c, UNW_IA64_IP, 99)) != -UNW_EREADONLYREG)
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panic ("%s: unw_set_reg (ip) returned %d instead of %d\n",
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__FUNCTION__, ret, -UNW_EREADONLYREG);
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if ((ret = unw_set_reg (&c, UNW_IA64_GR + 5, 99)) != -UNW_EREADONLYREG)
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panic ("%s: unw_set_reg (r5) returned %d instead of %d\n",
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__FUNCTION__, ret, -UNW_EREADONLYREG);
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if ((ret = unw_set_reg (&c, UNW_IA64_GR + 6, 99)) != -UNW_EREADONLYREG)
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panic ("%s: unw_set_reg (r6) returned %d instead of %d\n",
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__FUNCTION__, ret, -UNW_EREADONLYREG);
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if ((ret = unw_set_reg (&c, UNW_IA64_AR_LC, 99)) != -UNW_EREADONLYREG)
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panic ("%s: unw_set_reg (ar.lc) returned %d instead of %d\n",
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__FUNCTION__, ret, -UNW_EREADONLYREG);
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if ((ret = unw_set_reg (&c, UNW_IA64_BR + 2, 99)) != -UNW_EREADONLYREG)
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panic ("%s: unw_set_reg (b2) returned %d instead of %d\n",
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__FUNCTION__, ret, -UNW_EREADONLYREG);
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if ((ret = unw_set_reg (&c, UNW_IA64_BR + 3, 99)) != -UNW_EREADONLYREG)
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panic ("%s: unw_set_reg (b3) returned %d instead of %d\n",
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__FUNCTION__, ret, -UNW_EREADONLYREG);
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if ((ret = unw_set_fpreg (&c, UNW_IA64_FR + 2, fpval)) != -UNW_EREADONLYREG)
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panic ("%s: unw_set_fpreg (f2) returned %d instead of %d\n",
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__FUNCTION__, ret, -UNW_EREADONLYREG);
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if ((ret = unw_set_fpreg (&c, UNW_IA64_FR + 3, fpval)) != -UNW_EREADONLYREG)
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panic ("%s: unw_set_fpreg (f3) returned %d instead of %d\n",
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__FUNCTION__, ret, -UNW_EREADONLYREG);
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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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test_func (checker);
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if (nerrors > 0)
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{
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fprintf (stderr, "FAILURE: detected %d errors\n", nerrors);
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exit (-1);
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}
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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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