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136 lines
4.6 KiB
C
136 lines
4.6 KiB
C
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2006-2007 IBM
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Contributed by
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Corey Ashford <cjashfor@us.ibm.com>
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Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.com>
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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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HIDDEN define_lock (ppc32_lock);
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HIDDEN int tdep_init_done;
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/* The API register numbers are exactly the same as the .eh_frame
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registers, for now at least. */
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HIDDEN const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH] =
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{
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[UNW_PPC32_R0]=UNW_PPC32_R0,
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[UNW_PPC32_R1]=UNW_PPC32_R1,
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[UNW_PPC32_R2]=UNW_PPC32_R2,
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[UNW_PPC32_R3]=UNW_PPC32_R3,
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[UNW_PPC32_R4]=UNW_PPC32_R4,
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[UNW_PPC32_R5]=UNW_PPC32_R5,
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[UNW_PPC32_R6]=UNW_PPC32_R6,
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[UNW_PPC32_R7]=UNW_PPC32_R7,
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[UNW_PPC32_R8]=UNW_PPC32_R8,
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[UNW_PPC32_R9]=UNW_PPC32_R9,
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[UNW_PPC32_R10]=UNW_PPC32_R10,
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[UNW_PPC32_R11]=UNW_PPC32_R11,
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[UNW_PPC32_R12]=UNW_PPC32_R12,
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[UNW_PPC32_R13]=UNW_PPC32_R13,
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[UNW_PPC32_R14]=UNW_PPC32_R14,
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[UNW_PPC32_R15]=UNW_PPC32_R15,
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[UNW_PPC32_R16]=UNW_PPC32_R16,
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[UNW_PPC32_R17]=UNW_PPC32_R17,
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[UNW_PPC32_R18]=UNW_PPC32_R18,
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[UNW_PPC32_R19]=UNW_PPC32_R19,
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[UNW_PPC32_R20]=UNW_PPC32_R20,
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[UNW_PPC32_R21]=UNW_PPC32_R21,
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[UNW_PPC32_R22]=UNW_PPC32_R22,
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[UNW_PPC32_R23]=UNW_PPC32_R23,
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[UNW_PPC32_R24]=UNW_PPC32_R24,
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[UNW_PPC32_R25]=UNW_PPC32_R25,
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[UNW_PPC32_R26]=UNW_PPC32_R26,
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[UNW_PPC32_R27]=UNW_PPC32_R27,
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[UNW_PPC32_R28]=UNW_PPC32_R28,
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[UNW_PPC32_R29]=UNW_PPC32_R29,
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[UNW_PPC32_R30]=UNW_PPC32_R30,
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[UNW_PPC32_R31]=UNW_PPC32_R31,
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[UNW_PPC32_CTR]=UNW_PPC32_CTR,
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[UNW_PPC32_XER]=UNW_PPC32_XER,
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[UNW_PPC32_CCR]=UNW_PPC32_CCR,
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[UNW_PPC32_LR]=UNW_PPC32_LR,
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[UNW_PPC32_FPSCR]=UNW_PPC32_FPSCR,
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[UNW_PPC32_F0]=UNW_PPC32_F0,
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[UNW_PPC32_F1]=UNW_PPC32_F1,
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[UNW_PPC32_F2]=UNW_PPC32_F2,
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[UNW_PPC32_F3]=UNW_PPC32_F3,
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[UNW_PPC32_F4]=UNW_PPC32_F4,
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[UNW_PPC32_F5]=UNW_PPC32_F5,
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[UNW_PPC32_F6]=UNW_PPC32_F6,
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[UNW_PPC32_F7]=UNW_PPC32_F7,
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[UNW_PPC32_F8]=UNW_PPC32_F8,
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[UNW_PPC32_F9]=UNW_PPC32_F9,
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[UNW_PPC32_F10]=UNW_PPC32_F10,
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[UNW_PPC32_F11]=UNW_PPC32_F11,
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[UNW_PPC32_F12]=UNW_PPC32_F12,
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[UNW_PPC32_F13]=UNW_PPC32_F13,
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[UNW_PPC32_F14]=UNW_PPC32_F14,
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[UNW_PPC32_F15]=UNW_PPC32_F15,
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[UNW_PPC32_F16]=UNW_PPC32_F16,
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[UNW_PPC32_F17]=UNW_PPC32_F17,
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[UNW_PPC32_F18]=UNW_PPC32_F18,
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[UNW_PPC32_F19]=UNW_PPC32_F19,
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[UNW_PPC32_F20]=UNW_PPC32_F20,
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[UNW_PPC32_F21]=UNW_PPC32_F21,
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[UNW_PPC32_F22]=UNW_PPC32_F22,
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[UNW_PPC32_F23]=UNW_PPC32_F23,
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[UNW_PPC32_F24]=UNW_PPC32_F24,
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[UNW_PPC32_F25]=UNW_PPC32_F25,
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[UNW_PPC32_F26]=UNW_PPC32_F26,
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[UNW_PPC32_F27]=UNW_PPC32_F27,
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[UNW_PPC32_F28]=UNW_PPC32_F28,
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[UNW_PPC32_F29]=UNW_PPC32_F29,
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[UNW_PPC32_F30]=UNW_PPC32_F30,
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[UNW_PPC32_F31]=UNW_PPC32_F31,
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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 (&ppc32_lock, saved_mask);
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{
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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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ppc32_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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}
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out:
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lock_release (&ppc32_lock, saved_mask);
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}
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