diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/tilegx/Gglobal.c')
-rw-r--r-- | src/third_party/unwind/dist/src/tilegx/Gglobal.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/tilegx/Gglobal.c b/src/third_party/unwind/dist/src/tilegx/Gglobal.c new file mode 100644 index 00000000000..e18f50a50f3 --- /dev/null +++ b/src/third_party/unwind/dist/src/tilegx/Gglobal.c @@ -0,0 +1,64 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2008 CodeSourcery + Copyright (C) 2014 Tilera Corp. + +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. */ + +#include "unwind_i.h" +#include "dwarf_i.h" + +__attribute__((weak)) +pthread_mutex_t tilegx_lock = PTHREAD_MUTEX_INITIALIZER; +HIDDEN int tdep_init_done; + +HIDDEN const uint8_t dwarf_to_unw_regnum_map[] = + { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55 + }; + +HIDDEN void +tdep_init (void) +{ + intrmask_t saved_mask; + + sigfillset (&unwi_full_mask); + + lock_acquire (&tilegx_lock, saved_mask); + + if (tdep_init_done) + /* another thread else beat us to it... */ + goto out; + + mi_init (); + dwarf_init (); + +#ifndef UNW_REMOTE_ONLY + tilegx_local_addr_space_init (); +#endif + tdep_init_done = 1; /* signal that we're initialized... */ + + out: + lock_release (&tilegx_lock, saved_mask); +} |