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- /* libunwind - a platform-independent unwind library
- Copyright (C) 2006-2007 IBM
- Contributed by
- Corey Ashford <cjashfor@us.ibm.com>
- Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.com>
- 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 pthread_mutex_t ppc32_lock = PTHREAD_MUTEX_INITIALIZER;
- HIDDEN int tdep_needs_initialization = 1;
- /* The API register numbers are exactly the same as the .eh_frame
- registers, for now at least. */
- uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH] =
- {
- [UNW_PPC32_R0]=UNW_PPC32_R0,
- [UNW_PPC32_R1]=UNW_PPC32_R1,
- [UNW_PPC32_R2]=UNW_PPC32_R2,
- [UNW_PPC32_R3]=UNW_PPC32_R3,
- [UNW_PPC32_R4]=UNW_PPC32_R4,
- [UNW_PPC32_R5]=UNW_PPC32_R5,
- [UNW_PPC32_R6]=UNW_PPC32_R6,
- [UNW_PPC32_R7]=UNW_PPC32_R7,
- [UNW_PPC32_R8]=UNW_PPC32_R8,
- [UNW_PPC32_R9]=UNW_PPC32_R9,
- [UNW_PPC32_R10]=UNW_PPC32_R10,
- [UNW_PPC32_R11]=UNW_PPC32_R11,
- [UNW_PPC32_R12]=UNW_PPC32_R12,
- [UNW_PPC32_R13]=UNW_PPC32_R13,
- [UNW_PPC32_R14]=UNW_PPC32_R14,
- [UNW_PPC32_R15]=UNW_PPC32_R15,
- [UNW_PPC32_R16]=UNW_PPC32_R16,
- [UNW_PPC32_R17]=UNW_PPC32_R17,
- [UNW_PPC32_R18]=UNW_PPC32_R18,
- [UNW_PPC32_R19]=UNW_PPC32_R19,
- [UNW_PPC32_R20]=UNW_PPC32_R20,
- [UNW_PPC32_R21]=UNW_PPC32_R21,
- [UNW_PPC32_R22]=UNW_PPC32_R22,
- [UNW_PPC32_R23]=UNW_PPC32_R23,
- [UNW_PPC32_R24]=UNW_PPC32_R24,
- [UNW_PPC32_R25]=UNW_PPC32_R25,
- [UNW_PPC32_R26]=UNW_PPC32_R26,
- [UNW_PPC32_R27]=UNW_PPC32_R27,
- [UNW_PPC32_R28]=UNW_PPC32_R28,
- [UNW_PPC32_R29]=UNW_PPC32_R29,
- [UNW_PPC32_R30]=UNW_PPC32_R30,
- [UNW_PPC32_R31]=UNW_PPC32_R31,
- [UNW_PPC32_CTR]=UNW_PPC32_CTR,
- [UNW_PPC32_XER]=UNW_PPC32_XER,
- [UNW_PPC32_CCR]=UNW_PPC32_CCR,
- [UNW_PPC32_LR]=UNW_PPC32_LR,
- [UNW_PPC32_FPSCR]=UNW_PPC32_FPSCR,
- [UNW_PPC32_F0]=UNW_PPC32_F0,
- [UNW_PPC32_F1]=UNW_PPC32_F1,
- [UNW_PPC32_F2]=UNW_PPC32_F2,
- [UNW_PPC32_F3]=UNW_PPC32_F3,
- [UNW_PPC32_F4]=UNW_PPC32_F4,
- [UNW_PPC32_F5]=UNW_PPC32_F5,
- [UNW_PPC32_F6]=UNW_PPC32_F6,
- [UNW_PPC32_F7]=UNW_PPC32_F7,
- [UNW_PPC32_F8]=UNW_PPC32_F8,
- [UNW_PPC32_F9]=UNW_PPC32_F9,
- [UNW_PPC32_F10]=UNW_PPC32_F10,
- [UNW_PPC32_F11]=UNW_PPC32_F11,
- [UNW_PPC32_F12]=UNW_PPC32_F12,
- [UNW_PPC32_F13]=UNW_PPC32_F13,
- [UNW_PPC32_F14]=UNW_PPC32_F14,
- [UNW_PPC32_F15]=UNW_PPC32_F15,
- [UNW_PPC32_F16]=UNW_PPC32_F16,
- [UNW_PPC32_F17]=UNW_PPC32_F17,
- [UNW_PPC32_F18]=UNW_PPC32_F18,
- [UNW_PPC32_F19]=UNW_PPC32_F19,
- [UNW_PPC32_F20]=UNW_PPC32_F20,
- [UNW_PPC32_F21]=UNW_PPC32_F21,
- [UNW_PPC32_F22]=UNW_PPC32_F22,
- [UNW_PPC32_F23]=UNW_PPC32_F23,
- [UNW_PPC32_F24]=UNW_PPC32_F24,
- [UNW_PPC32_F25]=UNW_PPC32_F25,
- [UNW_PPC32_F26]=UNW_PPC32_F26,
- [UNW_PPC32_F27]=UNW_PPC32_F27,
- [UNW_PPC32_F28]=UNW_PPC32_F28,
- [UNW_PPC32_F29]=UNW_PPC32_F29,
- [UNW_PPC32_F30]=UNW_PPC32_F30,
- [UNW_PPC32_F31]=UNW_PPC32_F31,
- };
- HIDDEN void
- tdep_init (void)
- {
- intrmask_t saved_mask;
- sigfillset (&unwi_full_mask);
- lock_acquire (&ppc32_lock, saved_mask);
- {
- if (!tdep_needs_initialization)
- /* another thread else beat us to it... */
- goto out;
- mi_init ();
- dwarf_init ();
- #ifndef UNW_REMOTE_ONLY
- ppc32_local_addr_space_init ();
- #endif
- tdep_needs_initialization = 0; /* signal that we're initialized... */
- }
- out:
- lock_release (&ppc32_lock, saved_mask);
- }
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