qemu/bsd-user/x86_64/target_arch_signal.h

100 lines
3.1 KiB
C

/*
* x86_64 signal definitions
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TARGET_ARCH_SIGNAL_H_
#define _TARGET_ARCH_SIGNAL_H_
#include "cpu.h"
/* Size of the signal trampolin code placed on the stack. */
#define TARGET_SZSIGCODE 0
/* compare to x86/include/_limits.h */
#define TARGET_MINSIGSTKSZ (512 * 4) /* min sig stack size */
#define TARGET_SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended size */
typedef struct target_mcontext {
abi_ulong mc_onstack; /* XXX - sigcontext compat. */
abi_ulong mc_rdi; /* machine state (struct trapframe) */
abi_ulong mc_rsi;
abi_ulong mc_rdx;
abi_ulong mc_rcx;
abi_ulong mc_r8;
abi_ulong mc_r9;
abi_ulong mc_rax;
abi_ulong mc_rbx;
abi_ulong mc_rbp;
abi_ulong mc_r10;
abi_ulong mc_r11;
abi_ulong mc_r12;
abi_ulong mc_r13;
abi_ulong mc_r14;
abi_ulong mc_r15;
uint32_t mc_trapno;
uint16_t mc_fs;
uint16_t mc_gs;
abi_ulong mc_addr;
uint32_t mc_flags;
uint16_t mc_es;
uint16_t mc_ds;
abi_ulong mc_err;
abi_ulong mc_rip;
abi_ulong mc_cs;
abi_ulong mc_rflags;
abi_ulong mc_rsp;
abi_ulong mc_ss;
abi_long mc_len; /* sizeof(mcontext_t) */
#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
#define _MC_FPFMT_XMM 0x10002
abi_long mc_fpformat;
#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */
#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */
#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */
abi_long mc_ownedfp;
/*
* See <machine/fpu.h> for the internals of mc_fpstate[].
*/
abi_long mc_fpstate[64] __aligned(16);
abi_ulong mc_fsbase;
abi_ulong mc_gsbase;
abi_ulong mc_xfpustate;
abi_ulong mc_xfpustate_len;
abi_long mc_spare[4];
} target_mcontext_t;
#define TARGET_MCONTEXT_SIZE 800
#define TARGET_UCONTEXT_SIZE 880
#include "target_os_ucontext.h"
struct target_sigframe {
abi_ulong sf_signum;
abi_ulong sf_siginfo; /* code or pointer to sf_si */
abi_ulong sf_ucontext; /* points to sf_uc */
abi_ulong sf_addr; /* undocumented 4th arg */
target_ucontext_t sf_uc; /* = *sf_uncontext */
target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/
uint32_t __spare__[2];
};
#endif /* !TARGET_ARCH_SIGNAL_H_ */