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 #define TARGET_MC_GET_CLEAR_RET 0x0001 31 32 struct target_sigcontext { 33 /* to be added */ 34 }; 35 36 typedef struct target_mcontext { 37 } target_mcontext_t; 38 39 typedef struct target_ucontext { 40 target_sigset_t uc_sigmask; 41 target_mcontext_t uc_mcontext; 42 abi_ulong uc_link; 43 target_stack_t uc_stack; 44 int32_t uc_flags; 45 int32_t __spare__[4]; 46 } target_ucontext_t; 47 48 struct target_sigframe { 49 abi_ulong sf_signum; 50 abi_ulong sf_siginfo; /* code or pointer to sf_si */ 51 abi_ulong sf_ucontext; /* points to sf_uc */ 52 abi_ulong sf_addr; /* undocumented 4th arg */ 53 target_ucontext_t sf_uc; /* = *sf_uncontext */ 54 target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/ 55 uint32_t __spare__[2]; 56 }; 57 58 /* 59 * Compare to amd64/amd64/machdep.c sendsig() 60 * Assumes that target stack frame memory is locked. 61 */ 62 static inline abi_long set_sigtramp_args(CPUX86State *regs, 63 int sig, struct target_sigframe *frame, abi_ulong frame_addr, 64 struct target_sigaction *ka) 65 { 66 /* XXX return -TARGET_EOPNOTSUPP; */ 67 return 0; 68 } 69 70 /* Compare to amd64/amd64/machdep.c get_mcontext() */ 71 static inline abi_long get_mcontext(CPUX86State *regs, 72 target_mcontext_t *mcp, int flags) 73 { 74 /* XXX */ 75 return -TARGET_EOPNOTSUPP; 76 } 77 78 /* Compare to amd64/amd64/machdep.c set_mcontext() */ 79 static inline abi_long set_mcontext(CPUX86State *regs, 80 target_mcontext_t *mcp, int srflag) 81 { 82 /* XXX */ 83 return -TARGET_EOPNOTSUPP; 84 } 85 86 static inline abi_long get_ucontext_sigreturn(CPUX86State *regs, 87 abi_ulong target_sf, abi_ulong *target_uc) 88 { 89 /* XXX */ 90 *target_uc = 0; 91 return -TARGET_EOPNOTSUPP; 92 } 93 94 #endif /* !TARGET_ARCH_SIGNAL_H_ */ 95