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https://github.com/checkpoint-restore/criu.git
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e437e616af
There is no need for specific parasite or restorer head sections, a general "head" one is enough. Also .stack section is dropped since it's never used. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
105 lines
2 KiB
C
105 lines
2 KiB
C
#ifndef CR_PARASITE_H_
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#define CR_PARASITE_H_
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#include <sys/types.h>
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#include <sys/un.h>
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#include <limits.h>
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#include "compiler.h"
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#include "image.h"
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#include "sockets.h"
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#include "util-net.h"
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#define __head __used __section(.head.text)
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#define PARASITE_STACK_SIZE 2048
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#define PARASITE_ARG_SIZE 8196
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#define PARASITE_MAX_SIZE (64 << 10)
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enum {
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PARASITE_CMD_INIT,
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PARASITE_CMD_SET_LOGFD,
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PARASITE_CMD_FINI,
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PARASITE_CMD_DUMPPAGES_INIT,
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PARASITE_CMD_DUMPPAGES,
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PARASITE_CMD_DUMPPAGES_FINI,
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PARASITE_CMD_DUMP_SIGACTS,
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PARASITE_CMD_DUMP_ITIMERS,
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PARASITE_CMD_DUMP_MISC,
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PARASITE_CMD_DUMP_TID_ADDR,
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PARASITE_CMD_DRAIN_FDS,
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PARASITE_CMD_MAX,
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};
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typedef struct {
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long ret; /* ret code */
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long line; /* where we're failed */
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} parasite_status_t;
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#define SET_PARASITE_RET(st, err) \
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do { \
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(st)->ret = err, \
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(st)->line = __LINE__; \
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} while (0)
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struct parasite_init_args {
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parasite_status_t status;
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int sun_len;
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struct sockaddr_un saddr;
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};
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struct parasite_dump_pages_args {
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parasite_status_t status;
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struct vma_entry vma_entry;
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unsigned long nrpages_dumped; /* how many pages are dumped */
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};
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/*
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* Misc sfuff, that is too small for separate file, but cannot
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* be read w/o using parasite
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*/
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struct parasite_dump_misc {
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parasite_status_t status;
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unsigned int secbits;
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unsigned long brk;
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k_rtsigset_t blocked;
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};
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struct parasite_dump_tid_addr {
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parasite_status_t status;
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unsigned int *tid_addr;
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};
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#define PARASITE_MAX_FDS (PAGE_SIZE / sizeof(int))
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struct parasite_drain_fd {
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parasite_status_t status;
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struct sockaddr_un saddr;
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int sun_len;
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int fds[PARASITE_MAX_FDS];
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int nr_fds;
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};
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/*
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* Some useful offsets
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*/
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#define PARASITE_ARGS_ADDR(start) \
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((start) + parasite_blob_offset__parasite_args)
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#define PARASITE_CMD_ADDR(start) \
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((start) + parasite_blob_offset__parasite_cmd)
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#define PARASITE_HEAD_ADDR(start) \
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((start) + parasite_blob_offset__parasite_head_start)
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#endif /* CR_PARASITE_H_ */
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