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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 */
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18
19#ifndef TARGET_ARCH_SIGNAL_H
20#define TARGET_ARCH_SIGNAL_H
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21
22#include "cpu.h"
23
24/* Size of the signal trampolin code placed on the stack. */
25#define TARGET_SZSIGCODE 0
26
27/* compare to x86/include/_limits.h */
28#define TARGET_MINSIGSTKSZ (512 * 4) /* min sig stack size */
29#define TARGET_SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended size */
30
790baacc 31typedef struct target_mcontext {
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32 abi_ulong mc_onstack; /* XXX - sigcontext compat. */
33 abi_ulong mc_rdi; /* machine state (struct trapframe) */
34 abi_ulong mc_rsi;
35 abi_ulong mc_rdx;
36 abi_ulong mc_rcx;
37 abi_ulong mc_r8;
38 abi_ulong mc_r9;
39 abi_ulong mc_rax;
40 abi_ulong mc_rbx;
41 abi_ulong mc_rbp;
42 abi_ulong mc_r10;
43 abi_ulong mc_r11;
44 abi_ulong mc_r12;
45 abi_ulong mc_r13;
46 abi_ulong mc_r14;
47 abi_ulong mc_r15;
48 uint32_t mc_trapno;
49 uint16_t mc_fs;
50 uint16_t mc_gs;
51 abi_ulong mc_addr;
52 uint32_t mc_flags;
53 uint16_t mc_es;
54 uint16_t mc_ds;
55 abi_ulong mc_err;
56 abi_ulong mc_rip;
57 abi_ulong mc_cs;
58 abi_ulong mc_rflags;
59 abi_ulong mc_rsp;
60 abi_ulong mc_ss;
61
62 abi_long mc_len; /* sizeof(mcontext_t) */
63
64#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
65#define _MC_FPFMT_XMM 0x10002
66 abi_long mc_fpformat;
67#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */
68#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */
69#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */
70 abi_long mc_ownedfp;
71 /*
72 * See <machine/fpu.h> for the internals of mc_fpstate[].
73 */
74 abi_long mc_fpstate[64] __aligned(16);
75
76 abi_ulong mc_fsbase;
77 abi_ulong mc_gsbase;
78
79 abi_ulong mc_xfpustate;
80 abi_ulong mc_xfpustate_len;
81
82 abi_long mc_spare[4];
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83} target_mcontext_t;
84
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85#define TARGET_MCONTEXT_SIZE 800
86#define TARGET_UCONTEXT_SIZE 880
87
c104b750 88#include "target_os_ucontext.h"
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89
90struct target_sigframe {
91 abi_ulong sf_signum;
92 abi_ulong sf_siginfo; /* code or pointer to sf_si */
93 abi_ulong sf_ucontext; /* points to sf_uc */
94 abi_ulong sf_addr; /* undocumented 4th arg */
95 target_ucontext_t sf_uc; /* = *sf_uncontext */
96 target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/
97 uint32_t __spare__[2];
98};
99
9c092804 100#endif /* TARGET_ARCH_SIGNAL_H */