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65 lines
2 KiB
C
65 lines
2 KiB
C
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2008 CodeSourcery
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Copyright (C) 2014 Tilera Corp.
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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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#include "unwind_i.h"
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#include "dwarf_i.h"
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__attribute__((weak))
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pthread_mutex_t tilegx_lock = PTHREAD_MUTEX_INITIALIZER;
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HIDDEN int tdep_init_done;
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HIDDEN const uint8_t dwarf_to_unw_regnum_map[] =
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{
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
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32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
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48, 49, 50, 51, 52, 53, 54, 55
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};
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HIDDEN void
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tdep_init (void)
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{
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intrmask_t saved_mask;
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sigfillset (&unwi_full_mask);
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lock_acquire (&tilegx_lock, saved_mask);
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if (tdep_init_done)
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/* another thread else beat us to it... */
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goto out;
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mi_init ();
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dwarf_init ();
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#ifndef UNW_REMOTE_ONLY
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tilegx_local_addr_space_init ();
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#endif
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tdep_init_done = 1; /* signal that we're initialized... */
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out:
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lock_release (&tilegx_lock, saved_mask);
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}
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