diff options
Diffstat (limited to 'linux-user/include/host/sparc64/host-signal.h')
-rw-r--r-- | linux-user/include/host/sparc64/host-signal.h | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/linux-user/include/host/sparc64/host-signal.h b/linux-user/include/host/sparc64/host-signal.h index 1191fe2d40..f8a8a4908d 100644 --- a/linux-user/include/host/sparc64/host-signal.h +++ b/linux-user/include/host/sparc64/host-signal.h @@ -1 +1,63 @@ -#include "../sparc/host-signal.h" +/* + * host-signal.h: signal info dependent on the host architecture + * + * Copyright (c) 2003-2005 Fabrice Bellard + * Copyright (c) 2021 Linaro Limited + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef SPARC64_HOST_SIGNAL_H +#define SPARC64_HOST_SIGNAL_H + +/* FIXME: the third argument to a SA_SIGINFO handler is *not* ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) +{ + return uc->uc_mcontext.mc_gregs[MC_PC]; +} + +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) +{ + uc->uc_mcontext.mc_gregs[MC_PC] = pc; +} + +static inline void *host_signal_mask(host_sigcontext *uc) +{ + return &uc->uc_sigmask; +} + +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) +{ + uint32_t insn = *(uint32_t *)host_signal_pc(uc); + + if ((insn >> 30) == 3) { + switch ((insn >> 19) & 0x3f) { + case 0x05: /* stb */ + case 0x15: /* stba */ + case 0x06: /* sth */ + case 0x16: /* stha */ + case 0x04: /* st */ + case 0x14: /* sta */ + case 0x07: /* std */ + case 0x17: /* stda */ + case 0x0e: /* stx */ + case 0x1e: /* stxa */ + case 0x24: /* stf */ + case 0x34: /* stfa */ + case 0x27: /* stdf */ + case 0x37: /* stdfa */ + case 0x26: /* stqf */ + case 0x36: /* stqfa */ + case 0x25: /* stfsr */ + case 0x3c: /* casa */ + case 0x3e: /* casxa */ + return true; + } + } + return false; +} + +#endif |