105a24871SPaolo Bonzini /* 205a24871SPaolo Bonzini * host-signal.h: signal info dependent on the host architecture 305a24871SPaolo Bonzini * 405a24871SPaolo Bonzini * Copyright (c) 2003-2005 Fabrice Bellard 505a24871SPaolo Bonzini * Copyright (c) 2021 Linaro Limited 605a24871SPaolo Bonzini * 705a24871SPaolo Bonzini * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. 805a24871SPaolo Bonzini * See the COPYING file in the top-level directory. 905a24871SPaolo Bonzini */ 1005a24871SPaolo Bonzini 1105a24871SPaolo Bonzini #ifndef ARM_HOST_SIGNAL_H 1205a24871SPaolo Bonzini #define ARM_HOST_SIGNAL_H 1305a24871SPaolo Bonzini 1405a24871SPaolo Bonzini static inline uintptr_t host_signal_pc(ucontext_t *uc) 1505a24871SPaolo Bonzini { 1605a24871SPaolo Bonzini return uc->uc_mcontext.arm_pc; 1705a24871SPaolo Bonzini } 1805a24871SPaolo Bonzini 1905a24871SPaolo Bonzini static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) 2005a24871SPaolo Bonzini { 2105a24871SPaolo Bonzini uc->uc_mcontext.arm_pc = pc; 2205a24871SPaolo Bonzini } 2305a24871SPaolo Bonzini 24*c8c89a6aSRichard Henderson static inline void *host_signal_mask(ucontext_t *uc) 25*c8c89a6aSRichard Henderson { 26*c8c89a6aSRichard Henderson return &uc->uc_sigmask; 27*c8c89a6aSRichard Henderson } 28*c8c89a6aSRichard Henderson 2905a24871SPaolo Bonzini static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) 3005a24871SPaolo Bonzini { 3105a24871SPaolo Bonzini /* 3205a24871SPaolo Bonzini * In the FSR, bit 11 is WnR, assuming a v6 or 3305a24871SPaolo Bonzini * later processor. On v5 we will always report 3405a24871SPaolo Bonzini * this as a read, which will fail later. 3505a24871SPaolo Bonzini */ 3605a24871SPaolo Bonzini uint32_t fsr = uc->uc_mcontext.error_code; 3705a24871SPaolo Bonzini return extract32(fsr, 11, 1); 3805a24871SPaolo Bonzini } 3905a24871SPaolo Bonzini 4005a24871SPaolo Bonzini #endif 41