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72 lines
2.7 KiB
C
72 lines
2.7 KiB
C
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2008 CodeSourcery
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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, i;
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c->dwarf.loc[R0] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R0);
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c->dwarf.loc[R1] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R1);
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c->dwarf.loc[R2] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R2);
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c->dwarf.loc[R3] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R3);
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c->dwarf.loc[R4] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R4);
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c->dwarf.loc[R5] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R5);
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c->dwarf.loc[R6] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R6);
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c->dwarf.loc[R7] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R7);
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c->dwarf.loc[R8] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R8);
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c->dwarf.loc[R9] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R9);
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c->dwarf.loc[R10] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R10);
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c->dwarf.loc[R11] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R11);
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c->dwarf.loc[R12] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R12);
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c->dwarf.loc[R13] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R13);
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c->dwarf.loc[R14] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R14);
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c->dwarf.loc[R15] = DWARF_REG_LOC (&c->dwarf, UNW_ARM_R15);
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for (i = R15 + 1; i < DWARF_NUM_PRESERVED_REGS; ++i)
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c->dwarf.loc[i] = DWARF_NULL_LOC;
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ret = dwarf_get (&c->dwarf, c->dwarf.loc[R15], &c->dwarf.ip);
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if (ret < 0)
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return ret;
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/* FIXME: correct for ARM? */
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ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_ARM_R13),
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&c->dwarf.cfa);
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if (ret < 0)
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return ret;
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/* FIXME: Initialisation for other registers. */
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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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