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1/*
2 * x86_64 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
790baacc 30typedef struct target_mcontext {
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31 abi_ulong mc_onstack; /* XXX - sigcontext compat. */
32 abi_ulong mc_rdi; /* machine state (struct trapframe) */
33 abi_ulong mc_rsi;
34 abi_ulong mc_rdx;
35 abi_ulong mc_rcx;
36 abi_ulong mc_r8;
37 abi_ulong mc_r9;
38 abi_ulong mc_rax;
39 abi_ulong mc_rbx;
40 abi_ulong mc_rbp;
41 abi_ulong mc_r10;
42 abi_ulong mc_r11;
43 abi_ulong mc_r12;
44 abi_ulong mc_r13;
45 abi_ulong mc_r14;
46 abi_ulong mc_r15;
47 uint32_t mc_trapno;
48 uint16_t mc_fs;
49 uint16_t mc_gs;
50 abi_ulong mc_addr;
51 uint32_t mc_flags;
52 uint16_t mc_es;
53 uint16_t mc_ds;
54 abi_ulong mc_err;
55 abi_ulong mc_rip;
56 abi_ulong mc_cs;
57 abi_ulong mc_rflags;
58 abi_ulong mc_rsp;
59 abi_ulong mc_ss;
60
61 abi_long mc_len; /* sizeof(mcontext_t) */
62
63#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
64#define _MC_FPFMT_XMM 0x10002
65 abi_long mc_fpformat;
66#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */
67#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */
68#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */
69 abi_long mc_ownedfp;
70 /*
71 * See <machine/fpu.h> for the internals of mc_fpstate[].
72 */
73 abi_long mc_fpstate[64] __aligned(16);
74
75 abi_ulong mc_fsbase;
76 abi_ulong mc_gsbase;
77
78 abi_ulong mc_xfpustate;
79 abi_ulong mc_xfpustate_len;
80
81 abi_long mc_spare[4];
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82} target_mcontext_t;
83
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84#define TARGET_MCONTEXT_SIZE 800
85#define TARGET_UCONTEXT_SIZE 880
86
c104b750 87#include "target_os_ucontext.h"
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88
89struct target_sigframe {
90 abi_ulong sf_signum;
91 abi_ulong sf_siginfo; /* code or pointer to sf_si */
92 abi_ulong sf_ucontext; /* points to sf_uc */
93 abi_ulong sf_addr; /* undocumented 4th arg */
94 target_ucontext_t sf_uc; /* = *sf_uncontext */
95 target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/
96 uint32_t __spare__[2];
97};
98
790baacc 99#endif /* !TARGET_ARCH_SIGNAL_H_ */