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89 lines
2.6 KiB
89 lines
2.6 KiB
/* 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_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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} |
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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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