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156d7557 WL |
1 | /* |
2 | * arm signal definitions | |
3 | * | |
4 | * Copyright (c) 2013 Stacey D. Son | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
9c092804 MA |
19 | |
20 | #ifndef TARGET_ARCH_SIGNAL_H | |
21 | #define TARGET_ARCH_SIGNAL_H | |
156d7557 WL |
22 | |
23 | #include "cpu.h" | |
24 | ||
25 | #define TARGET_REG_R0 0 | |
26 | #define TARGET_REG_R1 1 | |
27 | #define TARGET_REG_R2 2 | |
28 | #define TARGET_REG_R3 3 | |
29 | #define TARGET_REG_R4 4 | |
30 | #define TARGET_REG_R5 5 | |
31 | #define TARGET_REG_R6 6 | |
32 | #define TARGET_REG_R7 7 | |
33 | #define TARGET_REG_R8 8 | |
34 | #define TARGET_REG_R9 9 | |
35 | #define TARGET_REG_R10 10 | |
36 | #define TARGET_REG_R11 11 | |
37 | #define TARGET_REG_R12 12 | |
38 | #define TARGET_REG_R13 13 | |
39 | #define TARGET_REG_R14 14 | |
40 | #define TARGET_REG_R15 15 | |
41 | #define TARGET_REG_CPSR 16 | |
42 | #define TARGET__NGREG 17 | |
43 | /* Convenience synonyms */ | |
44 | #define TARGET_REG_FP TARGET_REG_R11 | |
45 | #define TARGET_REG_SP TARGET_REG_R13 | |
46 | #define TARGET_REG_LR TARGET_REG_R14 | |
47 | #define TARGET_REG_PC TARGET_REG_R15 | |
48 | ||
49 | #define TARGET_INSN_SIZE 4 /* arm instruction size */ | |
50 | ||
51 | /* Size of the signal trampolin code. See _sigtramp(). */ | |
52 | #define TARGET_SZSIGCODE ((abi_ulong)(9 * TARGET_INSN_SIZE)) | |
53 | ||
54 | /* compare to arm/include/_limits.h */ | |
55 | #define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack size */ | |
56 | #define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended size */ | |
57 | ||
03fd4028 WL |
58 | /* |
59 | * Floating point register state | |
60 | */ | |
61 | typedef struct target_mcontext_vfp { | |
62 | abi_ullong mcv_reg[32]; | |
63 | abi_ulong mcv_fpscr; | |
64 | } target_mcontext_vfp_t; | |
65 | ||
66 | typedef struct target_mcontext { | |
67 | abi_uint __gregs[TARGET__NGREG]; | |
68 | ||
69 | /* | |
70 | * Originally, rest of this structure was named __fpu, 35 * 4 bytes | |
71 | * long, never accessed from kernel. | |
72 | */ | |
73 | abi_ulong mc_vfp_size; | |
74 | abi_ptr mc_vfp_ptr; | |
75 | abi_int mc_spare[33]; | |
76 | } target_mcontext_t; | |
77 | ||
2cb1e643 WL |
78 | #define TARGET_MCONTEXT_SIZE 208 |
79 | #define TARGET_UCONTEXT_SIZE 260 | |
80 | ||
03fd4028 WL |
81 | #include "target_os_ucontext.h" |
82 | ||
83 | struct target_sigframe { | |
84 | target_siginfo_t sf_si; /* saved siginfo */ | |
85 | target_ucontext_t sf_uc; /* saved ucontext */ | |
86 | target_mcontext_vfp_t sf_vfp; /* actual saved VFP context */ | |
87 | }; | |
88 | ||
9c092804 | 89 | #endif /* TARGET_ARCH_SIGNAL_H */ |