LXR qemu/linux-user/include/host/ppc/host-signal.h

   1/*
   2 * host-signal.h: signal info dependent on the host architecture
   3 *
   4 * Copyright (c) 2022 Linaro Ltd.
   5 *
   6 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
   7 * See the COPYING file in the top-level directory.
   8 */
   9
  10#ifndef PPC_HOST_SIGNAL_H
  11#define PPC_HOST_SIGNAL_H
  12
  13#include <asm/ptrace.h>
  14
  15/* The third argument to a SA_SIGINFO handler is ucontext_t. */
  16typedef ucontext_t host_sigcontext;
  17
  18static inline uintptr_t host_signal_pc(host_sigcontext *uc)
  19{
  20    return uc->uc_mcontext.regs->nip;
  21}
  22
  23static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc)
  24{
  25    uc->uc_mcontext.regs->nip = pc;
  26}
  27
  28static inline void *host_signal_mask(host_sigcontext *uc)
  29{
  30    return &uc->uc_sigmask;
  31}
  32
  33static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc)
  34{
  35    return uc->uc_mcontext.regs->trap != 0x400
  36        && (uc->uc_mcontext.regs->dsisr & 0x02000000);
  37}
  38
  39#endif
  40