1 /* 2 * arm signal definitions 3 * 4 * Copyright (c) 2013 Stacey D. Son 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 #ifndef _TARGET_ARCH_SIGNAL_H_ 20 #define _TARGET_ARCH_SIGNAL_H_ 21 22 #include "cpu.h" 23 24 #define TARGET_REG_R0 0 25 #define TARGET_REG_R1 1 26 #define TARGET_REG_R2 2 27 #define TARGET_REG_R3 3 28 #define TARGET_REG_R4 4 29 #define TARGET_REG_R5 5 30 #define TARGET_REG_R6 6 31 #define TARGET_REG_R7 7 32 #define TARGET_REG_R8 8 33 #define TARGET_REG_R9 9 34 #define TARGET_REG_R10 10 35 #define TARGET_REG_R11 11 36 #define TARGET_REG_R12 12 37 #define TARGET_REG_R13 13 38 #define TARGET_REG_R14 14 39 #define TARGET_REG_R15 15 40 #define TARGET_REG_CPSR 16 41 #define TARGET__NGREG 17 42 /* Convenience synonyms */ 43 #define TARGET_REG_FP TARGET_REG_R11 44 #define TARGET_REG_SP TARGET_REG_R13 45 #define TARGET_REG_LR TARGET_REG_R14 46 #define TARGET_REG_PC TARGET_REG_R15 47 48 #define TARGET_INSN_SIZE 4 /* arm instruction size */ 49 50 /* Size of the signal trampolin code. See _sigtramp(). */ 51 #define TARGET_SZSIGCODE ((abi_ulong)(9 * TARGET_INSN_SIZE)) 52 53 /* compare to arm/include/_limits.h */ 54 #define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack size */ 55 #define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended size */ 56 57 /* 58 * Floating point register state 59 */ 60 typedef struct target_mcontext_vfp { 61 abi_ullong mcv_reg[32]; 62 abi_ulong mcv_fpscr; 63 } target_mcontext_vfp_t; 64 65 typedef struct target_mcontext { 66 abi_uint __gregs[TARGET__NGREG]; 67 68 /* 69 * Originally, rest of this structure was named __fpu, 35 * 4 bytes 70 * long, never accessed from kernel. 71 */ 72 abi_ulong mc_vfp_size; 73 abi_ptr mc_vfp_ptr; 74 abi_int mc_spare[33]; 75 } target_mcontext_t; 76 77 #define TARGET_MCONTEXT_SIZE 208 78 #define TARGET_UCONTEXT_SIZE 260 79 80 #include "target_os_ucontext.h" 81 82 struct target_sigframe { 83 target_siginfo_t sf_si; /* saved siginfo */ 84 target_ucontext_t sf_uc; /* saved ucontext */ 85 target_mcontext_vfp_t sf_vfp; /* actual saved VFP context */ 86 }; 87 88 #endif /* !_TARGET_ARCH_SIGNAL_H_ */ 89