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| author | Warner Losh | 2021-08-05 21:41:52 +0200 |
|---|---|---|
| committer | Warner Losh | 2021-09-10 22:13:06 +0200 |
| commit | 790baacc63c1cb29bfc3bf0755f49ca73a348eae (patch) | |
| tree | 18e7ea67e8081e13d23ff7e4cf0fca8347d5a26b /bsd-user/i386 | |
| parent | bsd-user: Add system independent stack, data and text limiting (diff) | |
| download | qemu-790baacc63c1cb29bfc3bf0755f49ca73a348eae.tar.gz qemu-790baacc63c1cb29bfc3bf0755f49ca73a348eae.tar.xz qemu-790baacc63c1cb29bfc3bf0755f49ca73a348eae.zip | |
bsd-user: *BSD specific siginfo defintions
Add FreeBSD, NetBSD and OpenBSD values for the various signal info types
and defines to decode different signals to discover more information
about the specific signal types.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Diffstat (limited to 'bsd-user/i386')
| -rw-r--r-- | bsd-user/i386/target_arch_signal.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/bsd-user/i386/target_arch_signal.h b/bsd-user/i386/target_arch_signal.h new file mode 100644 index 0000000000..9812c6b034 --- /dev/null +++ b/bsd-user/i386/target_arch_signal.h @@ -0,0 +1,94 @@ +/* + * i386 dependent signal definitions + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ +#ifndef TARGET_ARCH_SIGNAL_H +#define TARGET_ARCH_SIGNAL_H + +#include "cpu.h" + +/* Size of the signal trampolin code placed on the stack. */ +#define TARGET_SZSIGCODE 0 + +/* compare to x86/include/_limits.h */ +#define TARGET_MINSIGSTKSZ (512 * 4) /* min sig stack size */ +#define TARGET_SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended size */ + +#define TARGET_MC_GET_CLEAR_RET 0x0001 + +struct target_sigcontext { + /* to be added */ +}; + +typedef struct target_mcontext { +} target_mcontext_t; + +typedef struct target_ucontext { + target_sigset_t uc_sigmask; + target_mcontext_t uc_mcontext; + abi_ulong uc_link; + target_stack_t uc_stack; + int32_t uc_flags; + int32_t __spare__[4]; +} target_ucontext_t; + +struct target_sigframe { + abi_ulong sf_signum; + abi_ulong sf_siginfo; /* code or pointer to sf_si */ + abi_ulong sf_ucontext; /* points to sf_uc */ + abi_ulong sf_addr; /* undocumented 4th arg */ + target_ucontext_t sf_uc; /* = *sf_uncontext */ + target_siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case)*/ + uint32_t __spare__[2]; +}; + +/* + * Compare to i386/i386/machdep.c sendsig() + * Assumes that target stack frame memory is locked. + */ +static inline abi_long set_sigtramp_args(CPUX86State *regs, + int sig, struct target_sigframe *frame, abi_ulong frame_addr, + struct target_sigaction *ka) +{ + /* XXX return -TARGET_EOPNOTSUPP; */ + return 0; +} + +/* Compare to i386/i386/machdep.c get_mcontext() */ +static inline abi_long get_mcontext(CPUX86State *regs, + target_mcontext_t *mcp, int flags) +{ + /* XXX */ + return -TARGET_EOPNOTSUPP; +} + +/* Compare to i386/i386/machdep.c set_mcontext() */ +static inline abi_long set_mcontext(CPUX86State *regs, + target_mcontext_t *mcp, int srflag) +{ + /* XXX */ + return -TARGET_EOPNOTSUPP; +} + +static inline abi_long get_ucontext_sigreturn(CPUX86State *regs, + abi_ulong target_sf, abi_ulong *target_uc) +{ + /* XXX */ + *target_uc = 0; + return -TARGET_EOPNOTSUPP; +} + +#endif /* TARGET_ARCH_SIGNAL_H */ |