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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"
- static inline int
- common_init_ppc64 (struct cursor *c, unsigned use_prev_instr)
- {
- int ret;
- int i;
- for (i = UNW_PPC64_R0; i <= UNW_PPC64_R31; i++) {
- c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i);
- }
- for (i = UNW_PPC64_F0; i <= UNW_PPC64_F31; i++) {
- c->dwarf.loc[i] = DWARF_FPREG_LOC (&c->dwarf, i);
- }
- for (i = UNW_PPC64_V0; i <= UNW_PPC64_V31; i++) {
- c->dwarf.loc[i] = DWARF_VREG_LOC (&c->dwarf, i);
- }
- for (i = UNW_PPC64_CR0; i <= UNW_PPC64_CR7; i++) {
- c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i);
- }
- c->dwarf.loc[UNW_PPC64_ARG_POINTER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_ARG_POINTER);
- c->dwarf.loc[UNW_PPC64_CTR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_CTR);
- c->dwarf.loc[UNW_PPC64_VSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_VSCR);
- c->dwarf.loc[UNW_PPC64_XER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_XER);
- c->dwarf.loc[UNW_PPC64_LR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_LR);
- c->dwarf.loc[UNW_PPC64_VRSAVE] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_VRSAVE);
- c->dwarf.loc[UNW_PPC64_SPEFSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_SPEFSCR);
- c->dwarf.loc[UNW_PPC64_SPE_ACC] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_SPE_ACC);
- c->dwarf.loc[UNW_PPC64_NIP] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_NIP);
- ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_PPC64_NIP], &c->dwarf.ip);
- if (ret < 0)
- return ret;
- ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_PPC64_R1),
- &c->dwarf.cfa);
- if (ret < 0)
- return ret;
- c->sigcontext_format = PPC_SCF_NONE;
- c->sigcontext_addr = 0;
- c->dwarf.args_size = 0;
- c->dwarf.ret_addr_column = 0;
- c->dwarf.stash_frames = 0;
- c->dwarf.use_prev_instr = use_prev_instr;
- c->dwarf.pi_valid = 0;
- c->dwarf.pi_is_dynamic = 0;
- c->dwarf.hint = 0;
- c->dwarf.prev_rs = 0;
- return 0;
- }
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