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 struct target_sigcontext { 31 /* to be added */ 32 }; 33 34 typedef struct target_mcontext { 35 } target_mcontext_t; 36 37 typedef struct target_ucontext { 38 target_sigset_t uc_sigmask; 39 target_mcontext_t uc_mcontext; 40 abi_ulong uc_link; 41 target_stack_t uc_stack; 42 int32_t uc_flags; 43 int32_t __spare__[4]; 44 } target_ucontext_t; 45 46 struct target_sigframe { 47 abi_ulong sf_signum; 48 abi_ulong sf_siginfo; /* code or pointer to sf_si */ 49 abi_ulong sf_ucontext; /* points to sf_uc */ 50 abi_ulong sf_addr; /* undocumented 4th arg */ 51 target_ucontext_t sf_uc; /* = *sf_uncontext */ 52 target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/ 53 uint32_t __spare__[2]; 54 }; 55 56 /* 57 * Compare to amd64/amd64/machdep.c sendsig() 58 * Assumes that target stack frame memory is locked. 59 */ 60 static inline abi_long set_sigtramp_args(CPUX86State *regs, 61 int sig, struct target_sigframe *frame, abi_ulong frame_addr, 62 struct target_sigaction *ka) 63 { 64 /* XXX return -TARGET_EOPNOTSUPP; */ 65 return 0; 66 } 67 68 /* Compare to amd64/amd64/machdep.c get_mcontext() */ 69 static inline abi_long get_mcontext(CPUX86State *regs, 70 target_mcontext_t *mcp, int flags) 71 { 72 /* XXX */ 73 return -TARGET_EOPNOTSUPP; 74 } 75 76 /* Compare to amd64/amd64/machdep.c set_mcontext() */ 77 static inline abi_long set_mcontext(CPUX86State *regs, 78 target_mcontext_t *mcp, int srflag) 79 { 80 /* XXX */ 81 return -TARGET_EOPNOTSUPP; 82 } 83 84 static inline abi_long get_ucontext_sigreturn(CPUX86State *regs, 85 abi_ulong target_sf, abi_ulong *target_uc) 86 { 87 /* XXX */ 88 *target_uc = 0; 89 return -TARGET_EOPNOTSUPP; 90 } 91 92 #endif /* !TARGET_ARCH_SIGNAL_H_ */ 93