diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/aarch64/Gglobal.c')
-rw-r--r-- | src/third_party/unwind/dist/src/aarch64/Gglobal.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/aarch64/Gglobal.c b/src/third_party/unwind/dist/src/aarch64/Gglobal.c new file mode 100644 index 00000000000..72e36b2d4d6 --- /dev/null +++ b/src/third_party/unwind/dist/src/aarch64/Gglobal.c @@ -0,0 +1,57 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2008 CodeSourcery + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com> + Copyright (C) 2013 Linaro Limited + +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" + +HIDDEN define_lock (aarch64_lock); +HIDDEN int tdep_init_done; + +HIDDEN void +tdep_init (void) +{ + intrmask_t saved_mask; + + sigfillset (&unwi_full_mask); + + lock_acquire (&aarch64_lock, saved_mask); + { + if (tdep_init_done) + /* another thread else beat us to it... */ + goto out; + + mi_init (); + + dwarf_init (); + +#ifndef UNW_REMOTE_ONLY + aarch64_local_addr_space_init (); +#endif + tdep_init_done = 1; /* signal that we're initialized... */ + } + out: + lock_release (&aarch64_lock, saved_mask); +} |