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 } target_mcontext_t; 32 33 #include "target_os_ucontext.h" 34 35 struct target_sigframe { 36 abi_ulong sf_signum; 37 abi_ulong sf_siginfo; /* code or pointer to sf_si */ 38 abi_ulong sf_ucontext; /* points to sf_uc */ 39 abi_ulong sf_addr; /* undocumented 4th arg */ 40 target_ucontext_t sf_uc; /* = *sf_uncontext */ 41 target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/ 42 uint32_t __spare__[2]; 43 }; 44 45 /* 46 * Compare to amd64/amd64/machdep.c sendsig() 47 * Assumes that target stack frame memory is locked. 48 */ 49 static inline abi_long set_sigtramp_args(CPUX86State *regs, 50 int sig, struct target_sigframe *frame, abi_ulong frame_addr, 51 struct target_sigaction *ka) 52 { 53 /* XXX return -TARGET_EOPNOTSUPP; */ 54 return 0; 55 } 56 57 /* Compare to amd64/amd64/machdep.c get_mcontext() */ 58 static inline abi_long get_mcontext(CPUX86State *regs, 59 target_mcontext_t *mcp, int flags) 60 { 61 /* XXX */ 62 return -TARGET_EOPNOTSUPP; 63 } 64 65 /* Compare to amd64/amd64/machdep.c set_mcontext() */ 66 static inline abi_long set_mcontext(CPUX86State *regs, 67 target_mcontext_t *mcp, int srflag) 68 { 69 /* XXX */ 70 return -TARGET_EOPNOTSUPP; 71 } 72 73 static inline abi_long get_ucontext_sigreturn(CPUX86State *regs, 74 abi_ulong target_sf, abi_ulong *target_uc) 75 { 76 /* XXX */ 77 *target_uc = 0; 78 return -TARGET_EOPNOTSUPP; 79 } 80 81 #endif /* !TARGET_ARCH_SIGNAL_H_ */ 82