diff options
| author | Andreas Schwab <schwab@suse.de> | 2013-09-03 20:12:16 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2013-09-10 19:11:28 +0100 |
| commit | 1744aea182d0fe20e190d037ccf225cbe05e96ae (patch) | |
| tree | e94edfa6577d32b15c690da8908d1c6a7cf48763 /linux-user/aarch64 | |
| parent | 09701199f6d87ebfe609776156108c6dec812cde (diff) | |
linux-user: Add signal handling for AArch64
This patch adds signal handling for AArch64. The code is based on the
respective source in the Linux kernel.
Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: John Rigby <john.rigby@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1378235544-22290-17-git-send-email-peter.maydell@linaro.org
Message-id: 1368505980-17151-10-git-send-email-john.rigby@linaro.org
[PMM: fixed style nits: tabs, long lines;
pulled target_signal.h in from a later patch; it fits better here]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/aarch64')
| -rw-r--r-- | linux-user/aarch64/target_signal.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/linux-user/aarch64/target_signal.h b/linux-user/aarch64/target_signal.h new file mode 100644 index 0000000000..e8c677de11 --- /dev/null +++ b/linux-user/aarch64/target_signal.h @@ -0,0 +1,29 @@ +#ifndef TARGET_SIGNAL_H +#define TARGET_SIGNAL_H + +#include "cpu.h" + +/* this struct defines a stack used during syscall handling */ + +typedef struct target_sigaltstack { + abi_ulong ss_sp; + abi_int ss_flags; + abi_ulong ss_size; +} target_stack_t; + + +/* + * sigaltstack controls + */ +#define TARGET_SS_ONSTACK 1 +#define TARGET_SS_DISABLE 2 + +#define TARGET_MINSIGSTKSZ 2048 +#define TARGET_SIGSTKSZ 8192 + +static inline abi_ulong get_sp_from_cpustate(CPUARMState *state) +{ + return state->xregs[31]; +} + +#endif /* TARGET_SIGNAL_H */ |