1 /* 2 * host-signal.h: signal info dependent on the host architecture 3 * 4 * Copyright (c) 2003-2005 Fabrice Bellard 5 * Copyright (c) 2021 Linaro Limited 6 * 7 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. 8 * See the COPYING file in the top-level directory. 9 */ 10 11 #ifndef ARM_HOST_SIGNAL_H 12 #define ARM_HOST_SIGNAL_H 13 14 static inline uintptr_t host_signal_pc(ucontext_t *uc) 15 { 16 return uc->uc_mcontext.arm_pc; 17 } 18 19 static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) 20 { 21 uc->uc_mcontext.arm_pc = pc; 22 } 23 24 static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) 25 { 26 /* 27 * In the FSR, bit 11 is WnR, assuming a v6 or 28 * later processor. On v5 we will always report 29 * this as a read, which will fail later. 30 */ 31 uint32_t fsr = uc->uc_mcontext.error_code; 32 return extract32(fsr, 11, 1); 33 } 34 35 #endif 36