1 #ifndef _LINUX_ELFCORE_H
2 #define _LINUX_ELFCORE_H
4 #include <linux/user.h>
7 #include <uapi/linux/elfcore.h>
9 static inline void elf_core_copy_regs(elf_gregset_t
*elfregs
, struct pt_regs
*regs
)
11 #ifdef ELF_CORE_COPY_REGS
12 ELF_CORE_COPY_REGS((*elfregs
), regs
)
14 BUG_ON(sizeof(*elfregs
) != sizeof(*regs
));
15 *(struct pt_regs
*)elfregs
= *regs
;
19 static inline void elf_core_copy_kernel_regs(elf_gregset_t
*elfregs
, struct pt_regs
*regs
)
21 #ifdef ELF_CORE_COPY_KERNEL_REGS
22 ELF_CORE_COPY_KERNEL_REGS((*elfregs
), regs
);
24 elf_core_copy_regs(elfregs
, regs
);
28 static inline int elf_core_copy_task_regs(struct task_struct
*t
, elf_gregset_t
* elfregs
)
30 #if defined (ELF_CORE_COPY_TASK_REGS)
31 return ELF_CORE_COPY_TASK_REGS(t
, elfregs
);
32 #elif defined (task_pt_regs)
33 elf_core_copy_regs(elfregs
, task_pt_regs(t
));
38 extern int dump_fpu (struct pt_regs
*, elf_fpregset_t
*);
40 static inline int elf_core_copy_task_fpregs(struct task_struct
*t
, struct pt_regs
*regs
, elf_fpregset_t
*fpu
)
42 #ifdef ELF_CORE_COPY_FPREGS
43 return ELF_CORE_COPY_FPREGS(t
, fpu
);
45 return dump_fpu(regs
, fpu
);
49 #ifdef ELF_CORE_COPY_XFPREGS
50 static inline int elf_core_copy_task_xfpregs(struct task_struct
*t
, elf_fpxregset_t
*xfpu
)
52 return ELF_CORE_COPY_XFPREGS(t
, xfpu
);
57 * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
58 * extra segments containing the gate DSO contents. Dumping its
59 * contents makes post-mortem fully interpretable later without matching up
60 * the same kernel and hardware config to see what PC values meant.
61 * Dumping its extra ELF program headers includes all the other information
62 * a debugger needs to easily find how the gate DSO was being used.
64 extern Elf_Half
elf_core_extra_phdrs(void);
66 elf_core_write_extra_phdrs(struct file
*file
, loff_t offset
, size_t *size
,
69 elf_core_write_extra_data(struct file
*file
, size_t *size
, unsigned long limit
);
70 extern size_t elf_core_extra_data_size(void);
72 #endif /* _LINUX_ELFCORE_H */