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1 /* libunwind - a platform-independent unwind library
2    Copyright 2011 Linaro Limited
3 
4 This file is part of libunwind.
5 
6 Permission is hereby granted, free of charge, to any person obtaining
7 a copy of this software and associated documentation files (the
8 "Software"), to deal in the Software without restriction, including
9 without limitation the rights to use, copy, modify, merge, publish,
10 distribute, sublicense, and/or sell copies of the Software, and to
11 permit persons to whom the Software is furnished to do so, subject to
12 the following conditions:
13 
14 The above copyright notice and this permission notice shall be
15 included in all copies or substantial portions of the Software.
16 
17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
24 
25 #ifndef ARM_EX_TABLES_H
26 #define ARM_EX_TABLES_H
27 
28 typedef enum arm_exbuf_cmd {
29   ARM_EXIDX_CMD_FINISH,
30   ARM_EXIDX_CMD_DATA_PUSH,
31   ARM_EXIDX_CMD_DATA_POP,
32   ARM_EXIDX_CMD_REG_POP,
33   ARM_EXIDX_CMD_REG_TO_SP,
34   ARM_EXIDX_CMD_VFP_POP,
35   ARM_EXIDX_CMD_WREG_POP,
36   ARM_EXIDX_CMD_WCGR_POP,
37   ARM_EXIDX_CMD_RESERVED,
38   ARM_EXIDX_CMD_REFUSED,
39 } arm_exbuf_cmd_t;
40 
41 struct arm_exbuf_data
42 {
43   arm_exbuf_cmd_t cmd;
44   uint32_t data;
45 };
46 
47 #define arm_exidx_extract	UNW_OBJ(arm_exidx_extract)
48 #define arm_exidx_decode	UNW_OBJ(arm_exidx_decode)
49 #define arm_exidx_apply_cmd	UNW_OBJ(arm_exidx_apply_cmd)
50 
51 int arm_exidx_extract (struct dwarf_cursor *c, uint8_t *buf);
52 int arm_exidx_decode (const uint8_t *buf, uint8_t len, struct dwarf_cursor *c);
53 int arm_exidx_apply_cmd (struct arm_exbuf_data *edata, struct dwarf_cursor *c);
54 
55 #endif // ARM_EX_TABLES_H
56