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 30 typedef struct target_mcontext { 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]; 82 } target_mcontext_t; 83 84 #define TARGET_MCONTEXT_SIZE 800 85 #define TARGET_UCONTEXT_SIZE 880 86 87 #include "target_os_ucontext.h" 88 89 struct 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 99 #endif /* !TARGET_ARCH_SIGNAL_H_ */ 100