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1 | /* | |
2 | * i386 dependent signal definitions | |
3 | * | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | #ifndef TARGET_ARCH_SIGNAL_H | |
19 | #define TARGET_ARCH_SIGNAL_H | |
20 | ||
21 | #include "cpu.h" | |
22 | ||
23 | /* Size of the signal trampolin code placed on the stack. */ | |
24 | #define TARGET_SZSIGCODE 0 | |
25 | ||
26 | /* compare to x86/include/_limits.h */ | |
27 | #define TARGET_MINSIGSTKSZ (512 * 4) /* min sig stack size */ | |
28 | #define TARGET_SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended size */ | |
29 | ||
30 | typedef struct target_mcontext { | |
31 | abi_ulong mc_onstack; /* XXX - sigcontext compat. */ | |
32 | abi_ulong mc_gs; /* machine state (struct trapframe) */ | |
33 | abi_ulong mc_fs; | |
34 | abi_ulong mc_es; | |
35 | abi_ulong mc_ds; | |
36 | abi_ulong mc_edi; | |
37 | abi_ulong mc_esi; | |
38 | abi_ulong mc_ebp; | |
39 | abi_ulong mc_isp; | |
40 | abi_ulong mc_ebx; | |
41 | abi_ulong mc_edx; | |
42 | abi_ulong mc_ecx; | |
43 | abi_ulong mc_eax; | |
44 | abi_ulong mc_trapno; | |
45 | abi_ulong mc_err; | |
46 | abi_ulong mc_eip; | |
47 | abi_ulong mc_cs; | |
48 | abi_ulong mc_eflags; | |
49 | abi_ulong mc_esp; | |
50 | abi_ulong mc_ss; | |
51 | ||
52 | int32_t mc_len; /* sizeof(mcontext_t) */ | |
53 | #define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */ | |
54 | #define _MC_FPFMT_387 0x10001 | |
55 | #define _MC_FPFMT_XMM 0x10002 | |
56 | int32_t mc_fpformat; | |
57 | #define _MC_FPOWNED_NONE 0x20000 /* FP state not used */ | |
58 | #define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */ | |
59 | #define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */ | |
60 | int32_t mc_ownedfp; | |
61 | abi_ulong mc_flags; | |
62 | /* | |
63 | * See <machine/npx.h> for the internals of mc_fpstate[]. | |
64 | */ | |
65 | int32_t mc_fpstate[128] __aligned(16); | |
66 | ||
67 | abi_ulong mc_fsbase; | |
68 | abi_ulong mc_gsbase; | |
69 | ||
70 | abi_ulong mc_xfpustate; | |
71 | abi_ulong mc_xfpustate_len; | |
72 | ||
73 | int32_t mc_spare2[4]; | |
74 | } target_mcontext_t; | |
75 | ||
76 | #define TARGET_MCONTEXT_SIZE 640 | |
77 | #define TARGET_UCONTEXT_SIZE 704 | |
78 | ||
79 | #include "target_os_ucontext.h" | |
80 | ||
81 | struct target_sigframe { | |
82 | abi_ulong sf_signum; | |
83 | abi_ulong sf_siginfo; /* code or pointer to sf_si */ | |
84 | abi_ulong sf_ucontext; /* points to sf_uc */ | |
85 | abi_ulong sf_addr; /* undocumented 4th arg */ | |
86 | target_ucontext_t sf_uc; /* = *sf_uncontext */ | |
87 | target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/ | |
88 | uint32_t __spare__[2]; | |
89 | }; | |
90 | ||
91 | #endif /* TARGET_ARCH_SIGNAL_H */ |