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f053677198
Using malloc is not an option since unw_init_local and unw_step are supposed to be async signal safe. Therefore this code path can be removed. Signed-off-by: Ken Werner <ken.werner@linaro.org>
71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/* libunwind - a platform-independent unwind library
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Copyright 2011 Linaro Limited
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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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#ifndef ARM_EX_TABLES_H
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#define ARM_EX_TABLES_H
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struct arm_exidx_entry {
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uint32_t addr;
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uint32_t data;
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};
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struct arm_exidx_table {
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const char *name;
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struct arm_exidx_entry *start;
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struct arm_exidx_entry *end;
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void *start_addr;
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void *end_addr;
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};
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typedef enum arm_exbuf_cmd {
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ARM_EXIDX_CMD_FINISH,
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ARM_EXIDX_CMD_DATA_PUSH,
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ARM_EXIDX_CMD_DATA_POP,
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ARM_EXIDX_CMD_REG_POP,
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ARM_EXIDX_CMD_REG_TO_SP,
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ARM_EXIDX_CMD_VFP_POP,
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ARM_EXIDX_CMD_WREG_POP,
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ARM_EXIDX_CMD_WCGR_POP,
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ARM_EXIDX_CMD_RESERVED,
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ARM_EXIDX_CMD_REFUSED,
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} arm_exbuf_cmd_t;
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struct arm_exbuf_data
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{
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arm_exbuf_cmd_t cmd;
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uint32_t data;
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};
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int arm_exidx_init_local (void);
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int arm_exidx_table_add (const char *name, struct arm_exidx_entry *start,
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struct arm_exidx_entry *end);
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struct arm_exidx_table *arm_exidx_table_find (void *pc);
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struct arm_exidx_entry *arm_exidx_table_lookup (struct arm_exidx_table *table,
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void *pc);
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int arm_exidx_extract (struct arm_exidx_entry *entry, uint8_t *buf);
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int arm_exidx_decode (const uint8_t *buf, uint8_t len, struct dwarf_cursor *c);
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int arm_exidx_apply_cmd (struct arm_exbuf_data *edata, struct dwarf_cursor *c);
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#endif // ARM_EX_TABLES_H
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