diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-09-17 10:14:26 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-11-02 07:00:43 -0400 |
| commit | 8b5bd461935b7682302366f95ad192434fd99e67 (patch) | |
| tree | ba9247fb67b1d05e7b3475bb786f5ac6029af039 /linux-user/host | |
| parent | 44c8f2cd905434358a292f581f33f434f374327b (diff) | |
linux-user/host/sparc: Populate host_signal.h
Split host_signal_pc and host_signal_write out of user-exec.c.
Drop the *BSD code, to be re-created under bsd-user/ later.
Drop the Solaris code as completely unused.
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/host')
| -rw-r--r-- | linux-user/host/sparc/host-signal.h | 55 | ||||
| -rw-r--r-- | linux-user/host/sparc64/host-signal.h | 2 |
2 files changed, 55 insertions, 2 deletions
diff --git a/linux-user/host/sparc/host-signal.h b/linux-user/host/sparc/host-signal.h index f4b4d65031..5e71d33f8e 100644 --- a/linux-user/host/sparc/host-signal.h +++ b/linux-user/host/sparc/host-signal.h @@ -1 +1,54 @@ -#define HOST_SIGNAL_PLACEHOLDER +/* + * 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 SPARC_HOST_SIGNAL_H +#define SPARC_HOST_SIGNAL_H + +static inline uintptr_t host_signal_pc(ucontext_t *uc) +{ +#ifdef __arch64__ + return uc->uc_mcontext.mc_gregs[MC_PC]; +#else + return uc->uc_mcontext.gregs[REG_PC]; +#endif +} + +static inline bool host_signal_write(siginfo_t *info, ucontext_t *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 diff --git a/linux-user/host/sparc64/host-signal.h b/linux-user/host/sparc64/host-signal.h index f4b4d65031..1191fe2d40 100644 --- a/linux-user/host/sparc64/host-signal.h +++ b/linux-user/host/sparc64/host-signal.h @@ -1 +1 @@ -#define HOST_SIGNAL_PLACEHOLDER +#include "../sparc/host-signal.h" |