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 19 #ifndef TARGET_ARCH_SIGNAL_H 20 #define TARGET_ARCH_SIGNAL_H 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 31 typedef struct target_mcontext { 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]; 83 } target_mcontext_t; 84 85 #define TARGET_MCONTEXT_SIZE 800 86 #define TARGET_UCONTEXT_SIZE 880 87 88 #include "target_os_ucontext.h" 89 90 struct 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 }; 99 100 #endif /* TARGET_ARCH_SIGNAL_H */ 101