mirror of
https://github.com/checkpoint-restore/criu
synced 2025-08-22 09:58:09 +00:00
82cd9e2c66
Signed-off-by: Andrey Vagin <avagin@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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* Generic sigframe bits.
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*/
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#ifndef __CR_SIGFRAME_H__
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#define __CR_SIGFRAME_H__
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#include "asm/types.h"
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#include "protobuf/core.pb-c.h"
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struct rt_sigframe;
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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 ALIGN(sizeof(struct rt_sigframe) + SIGFRAME_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 construct_sigframe(struct rt_sigframe *sigframe,
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struct rt_sigframe *rsigframe,
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CoreEntry *core);
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/*
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* FIXME Convert it to inline helper, which requires
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* to unweave types mess we've generated for
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* run-time data.
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*/
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#define setup_sas(sigframe, sas) \
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do { \
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if ((sas)) { \
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RT_SIGFRAME_UC((sigframe)).uc_stack.ss_sp = (void *)decode_pointer((sas)->ss_sp); \
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RT_SIGFRAME_UC((sigframe)).uc_stack.ss_flags = (int)(sas)->ss_flags; \
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RT_SIGFRAME_UC((sigframe)).uc_stack.ss_size = (size_t)(sas)->ss_size; \
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} \
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} while (0)
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#endif /* __CR_SIGFRAME_H__ */
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