55e83c2005
Create and record the rt signal trampoline. Use it when the guest does not use SA_RESTORER. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210929130553.121567-25-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
26 lines
495 B
C
26 lines
495 B
C
#ifndef XTENSA_TARGET_SIGNAL_H
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#define XTENSA_TARGET_SIGNAL_H
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/* this struct defines a stack used during syscall handling */
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typedef struct target_sigaltstack {
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abi_ulong ss_sp;
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abi_int ss_flags;
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abi_ulong ss_size;
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} target_stack_t;
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/*
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* sigaltstack controls
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*/
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#define TARGET_SS_ONSTACK 1
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#define TARGET_SS_DISABLE 2
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#define TARGET_MINSIGSTKSZ 2048
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#define TARGET_SIGSTKSZ 8192
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#include "../generic/signal.h"
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#define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1
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#endif
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