mirror of
https://github.com/checkpoint-restore/criu.git
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70833bcf29
Acked-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Adrian Reber <areber@redhat.com>
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*
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* Don't include it directly but use "arch-sigframe.h" instead.
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*/
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#ifndef UAPI_COMPEL_SIGFRAME_COMMON_H__
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#define UAPI_COMPEL_SIGFRAME_COMMON_H__
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#ifndef UAPI_COMPEL_ASM_SIGFRAME_H__
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#error "Direct inclusion is forbidden, use <compel/asm/sigframe.h> instead"
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#endif
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#include "common/compiler.h"
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#include <signal.h>
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#include <compel/plugins/std/asm/syscall-types.h>
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struct rt_sigframe;
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#ifndef SIGFRAME_MAX_OFFSET
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#define SIGFRAME_MAX_OFFSET RT_SIGFRAME_OFFSET(0)
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#endif
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#define RESTORE_STACK_ALIGN(x, a) (((x) + (a)-1) & ~((a)-1))
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/* sigframe should be aligned on 64 byte for x86 and 8 bytes for arm */
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#define RESTORE_STACK_SIGFRAME RESTORE_STACK_ALIGN(sizeof(struct rt_sigframe) + SIGFRAME_MAX_OFFSET, 64)
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#ifndef __ARCH_SI_PREAMBLE_SIZE
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#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
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#endif
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#define SI_MAX_SIZE 128
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#ifndef SI_PAD_SIZE
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#define SI_PAD_SIZE ((SI_MAX_SIZE - __ARCH_SI_PREAMBLE_SIZE) / sizeof(int))
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#endif
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typedef struct rt_siginfo {
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int si_signo;
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int si_errno;
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int si_code;
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int _pad[SI_PAD_SIZE];
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} rt_siginfo_t;
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typedef struct rt_sigaltstack {
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void *ss_sp;
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int ss_flags;
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size_t ss_size;
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} rt_stack_t;
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struct rt_ucontext {
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unsigned long uc_flags;
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struct rt_ucontext *uc_link;
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rt_stack_t uc_stack;
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struct rt_sigcontext uc_mcontext;
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k_rtsigset_t uc_sigmask; /* mask last for extensibility */
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int _unused[32 - (sizeof(k_rtsigset_t) / sizeof(int))];
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unsigned long uc_regspace[128] __attribute__((aligned(8)));
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};
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extern int __must_check sigreturn_prep_fpu_frame(struct rt_sigframe *frame, struct rt_sigframe *rframe);
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#endif /* UAPI_COMPEL_SIGFRAME_COMMON_H__ */
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