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https://github.com/tobast/libunwind-eh_elf.git
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82 lines
2.9 KiB
C
82 lines
2.9 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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static inline int
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common_init (struct cursor *c)
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{
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int ret;
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int i;
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for (i = UNW_PPC64_R0; i <= UNW_PPC64_R31; i++) {
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c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i);
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}
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for (i = UNW_PPC64_F0; i <= UNW_PPC64_F31; i++) {
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c->dwarf.loc[i] = DWARF_FPREG_LOC (&c->dwarf, i);
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}
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for (i = UNW_PPC64_V0; i <= UNW_PPC64_V31; i++) {
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c->dwarf.loc[i] = DWARF_VREG_LOC (&c->dwarf, i);
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}
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for (i = UNW_PPC64_CR0; i <= UNW_PPC64_CR7; i++) {
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c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i);
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}
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c->dwarf.loc[UNW_PPC64_ARG_POINTER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_ARG_POINTER);
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c->dwarf.loc[UNW_PPC64_CTR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_CTR);
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c->dwarf.loc[UNW_PPC64_VSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_VSCR);
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c->dwarf.loc[UNW_PPC64_XER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_XER);
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c->dwarf.loc[UNW_PPC64_LR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_LR);
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c->dwarf.loc[UNW_PPC64_VRSAVE] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_VRSAVE);
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c->dwarf.loc[UNW_PPC64_SPEFSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_SPEFSCR);
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c->dwarf.loc[UNW_PPC64_SPE_ACC] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_SPE_ACC);
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c->dwarf.loc[UNW_PPC64_NIP] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_NIP);
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ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_PPC64_NIP], &c->dwarf.ip);
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if (ret < 0)
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return ret;
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ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_PPC64_R1),
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&c->dwarf.cfa);
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if (ret < 0)
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return ret;
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c->sigcontext_format = PPC64_SCF_NONE;
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c->sigcontext_addr = 0;
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c->dwarf.args_size = 0;
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c->dwarf.ret_addr_column = 0;
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c->dwarf.pi_valid = 0;
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c->dwarf.pi_is_dynamic = 0;
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c->dwarf.hint = 0;
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c->dwarf.prev_rs = 0;
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return 0;
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}
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