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75 lines
3 KiB
C
75 lines
3 KiB
C
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2012 Tommi Rantala <tt.rantala@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, unsigned use_prev_instr)
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{
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int ret;
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c->dwarf.loc[UNW_SH_R0] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R0);
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c->dwarf.loc[UNW_SH_R1] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R1);
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c->dwarf.loc[UNW_SH_R2] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R2);
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c->dwarf.loc[UNW_SH_R3] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R3);
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c->dwarf.loc[UNW_SH_R4] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R4);
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c->dwarf.loc[UNW_SH_R5] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R5);
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c->dwarf.loc[UNW_SH_R6] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R6);
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c->dwarf.loc[UNW_SH_R7] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R7);
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c->dwarf.loc[UNW_SH_R8] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R8);
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c->dwarf.loc[UNW_SH_R9] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R9);
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c->dwarf.loc[UNW_SH_R10] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R10);
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c->dwarf.loc[UNW_SH_R11] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R11);
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c->dwarf.loc[UNW_SH_R12] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R12);
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c->dwarf.loc[UNW_SH_R13] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R13);
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c->dwarf.loc[UNW_SH_R14] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R14);
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c->dwarf.loc[UNW_SH_R15] = DWARF_REG_LOC (&c->dwarf, UNW_SH_R15);
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c->dwarf.loc[UNW_SH_PC] = DWARF_REG_LOC (&c->dwarf, UNW_SH_PC);
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c->dwarf.loc[UNW_SH_PR] = DWARF_REG_LOC (&c->dwarf, UNW_SH_PR);
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ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_SH_PC], &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, c->dwarf.loc[UNW_TDEP_SP], &c->dwarf.cfa);
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if (ret < 0)
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return ret;
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c->sigcontext_format = SH_SCF_NONE;
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c->sigcontext_addr = 0;
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c->sigcontext_sp = 0;
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c->sigcontext_pc = 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.stash_frames = 0;
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c->dwarf.use_prev_instr = use_prev_instr;
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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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