1/* libunwind - a platform-independent unwind library 2 Copyright (C) 2008 CodeSourcery 3 4This file is part of libunwind. 5 6Permission is hereby granted, free of charge, to any person obtaining 7a copy of this software and associated documentation files (the 8"Software"), to deal in the Software without restriction, including 9without limitation the rights to use, copy, modify, merge, publish, 10distribute, sublicense, and/or sell copies of the Software, and to 11permit persons to whom the Software is furnished to do so, subject to 12the following conditions: 13 14The above copyright notice and this permission notice shall be 15included in all copies or substantial portions of the Software. 16 17THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 24 25#include "unwind_i.h" 26#include "dwarf_i.h" 27 28HIDDEN define_lock (mips_lock); 29HIDDEN int tdep_init_done; 30 31HIDDEN void 32tdep_init (void) 33{ 34 intrmask_t saved_mask; 35 36 sigfillset (&unwi_full_mask); 37 38 lock_acquire (&mips_lock, saved_mask); 39 { 40 if (tdep_init_done) 41 /* another thread else beat us to it... */ 42 goto out; 43 44 mi_init (); 45 46 dwarf_init (); 47 48#ifndef UNW_REMOTE_ONLY 49 mips_local_addr_space_init (); 50#endif 51 tdep_init_done = 1; /* signal that we're initialized... */ 52 } 53 out: 54 lock_release (&mips_lock, saved_mask); 55} 56