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9940799bde
Do not directly access ucontext_t as the third signal parameter. This is preparation for a sparc64 fix. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
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* host-signal.h: signal info dependent on the host architecture
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*
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* Copyright (c) 2003-2005 Fabrice Bellard
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* Copyright (c) 2021 Linaro Limited
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef ARM_HOST_SIGNAL_H
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#define ARM_HOST_SIGNAL_H
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/* The third argument to a SA_SIGINFO handler is ucontext_t. */
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typedef ucontext_t host_sigcontext;
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static inline uintptr_t host_signal_pc(host_sigcontext *uc)
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{
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return uc->uc_mcontext.arm_pc;
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}
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static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc)
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{
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uc->uc_mcontext.arm_pc = pc;
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}
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static inline void *host_signal_mask(host_sigcontext *uc)
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{
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return &uc->uc_sigmask;
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}
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static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc)
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{
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/*
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* In the FSR, bit 11 is WnR, assuming a v6 or
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* later processor. On v5 we will always report
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* this as a read, which will fail later.
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*/
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uint32_t fsr = uc->uc_mcontext.error_code;
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return extract32(fsr, 11, 1);
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}
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#endif
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