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crtools: Reformat core_entry

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Keep task arch-independent fields in one struct (will be extended) in the
beginning of the image and make pads be located separately.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
This commit is contained in:
Pavel Emelyanov
2012-01-22 20:16:33 +04:00
committed by Cyrill Gorcunov
parent cf0550ce61
commit dbf3c1a8cd
4 changed files with 102 additions and 94 deletions
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44
include/image.h
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@@ -208,25 +208,25 @@ struct user_fpregs_entry {
#define TASK_PF_USED_MATH 0x00002000
#define CKPT_ARCH_SIZE (1 * 4096)
struct ckpt_arch_entry {
struct user_regs_entry gpregs;
struct user_fpregs_entry fpregs;
union {
struct {
struct user_regs_entry gpregs;
struct user_fpregs_entry fpregs;
};
u8 __arch_pad[CKPT_ARCH_SIZE]; /* should be enough for all */
};
};
#define CKPT_ARCH_SIZE (1 * 4096)
#define CKPT_CORE_SIZE (2 * 4096)
struct core_entry {
union {
struct {
struct image_header header;
union {
struct ckpt_arch_entry arch; /* per-arch specific */
u8 __arch_pad[CKPT_ARCH_SIZE]; /* should be enough for all */
} u;
u32 task_personality;
u8 task_comm[TASK_COMM_LEN];
u32 task_flags;
struct task_core_entry {
u32 personality;
u8 comm[TASK_COMM_LEN];
u32 flags;
u64 mm_start_code;
u64 mm_end_code;
u64 mm_start_data;
@@ -234,10 +234,18 @@ struct core_entry {
u64 mm_start_stack;
u64 mm_start_brk;
u64 mm_brk;
u64 task_sigset;
};
u8 __core_pad[CKPT_CORE_SIZE];
};
u64 blk_sigset;
};
struct core_entry {
union {
struct {
struct image_header header;
struct task_core_entry tc;
struct ckpt_arch_entry arch;
};
u8 __core_pad[CKPT_CORE_SIZE];
};
} __packed;
#endif /* CONFIG_X86_64 */