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1 /* libunwind - a platform-independent unwind library
2    Copyright (C) 2002 Hewlett-Packard Co
3 	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
4 
5 This file is part of libunwind.
6 
7 Permission is hereby granted, free of charge, to any person obtaining
8 a copy of this software and associated documentation files (the
9 "Software"), to deal in the Software without restriction, including
10 without limitation the rights to use, copy, modify, merge, publish,
11 distribute, sublicense, and/or sell copies of the Software, and to
12 permit persons to whom the Software is furnished to do so, subject to
13 the following conditions:
14 
15 The above copyright notice and this permission notice shall be
16 included in all copies or substantial portions of the Software.
17 
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
25 
26 #ifndef unwind_i_h
27 #define unwind_i_h
28 
29 #include <stdint.h>
30 
31 #include <libunwind-x86.h>
32 
33 #include "libunwind_i.h"
34 
35 /* DWARF column numbers: */
36 #define EAX	0
37 #define ECX	1
38 #define EDX	2
39 #define EBX	3
40 #define ESP	4
41 #define EBP	5
42 #define ESI	6
43 #define EDI	7
44 #define EIP	8
45 #define EFLAGS	9
46 #define TRAPNO	10
47 #define ST0	11
48 
49 #define x86_lock			UNW_OBJ(lock)
50 #define x86_local_resume		UNW_OBJ(local_resume)
51 #define x86_local_addr_space_init	UNW_OBJ(local_addr_space_init)
52 #define x86_scratch_loc			UNW_OBJ(scratch_loc)
53 #define x86_get_scratch_loc		UNW_OBJ(get_scratch_loc)
54 #define x86_r_uc_addr			UNW_OBJ(r_uc_addr)
55 
56 extern void x86_local_addr_space_init (void);
57 extern int x86_local_resume (unw_addr_space_t as, unw_cursor_t *cursor,
58 			     void *arg);
59 extern dwarf_loc_t x86_scratch_loc (struct cursor *c, unw_regnum_t reg);
60 extern dwarf_loc_t x86_get_scratch_loc (struct cursor *c, unw_regnum_t reg);
61 extern void *x86_r_uc_addr (ucontext_t *uc, int reg);
62 
63 #endif /* unwind_i_h */
64