Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _LINUX_ELFCORE_H |
2 | #define _LINUX_ELFCORE_H | |
3 | ||
1da177e4 | 4 | #include <linux/user.h> |
187f1882 | 5 | #include <linux/bug.h> |
1da177e4 | 6 | #include <asm/elf.h> |
607ca46e | 7 | #include <uapi/linux/elfcore.h> |
1da177e4 | 8 | |
506f21c5 AV |
9 | struct coredump_params; |
10 | ||
1da177e4 LT |
11 | static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs) |
12 | { | |
13 | #ifdef ELF_CORE_COPY_REGS | |
14 | ELF_CORE_COPY_REGS((*elfregs), regs) | |
15 | #else | |
16 | BUG_ON(sizeof(*elfregs) != sizeof(*regs)); | |
17 | *(struct pt_regs *)elfregs = *regs; | |
18 | #endif | |
19 | } | |
20 | ||
6cd61c0b TH |
21 | static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_regs *regs) |
22 | { | |
23 | #ifdef ELF_CORE_COPY_KERNEL_REGS | |
24 | ELF_CORE_COPY_KERNEL_REGS((*elfregs), regs); | |
25 | #else | |
26 | elf_core_copy_regs(elfregs, regs); | |
27 | #endif | |
28 | } | |
29 | ||
1da177e4 LT |
30 | static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs) |
31 | { | |
e9bf0cc7 | 32 | #if defined (ELF_CORE_COPY_TASK_REGS) |
1da177e4 | 33 | return ELF_CORE_COPY_TASK_REGS(t, elfregs); |
e9bf0cc7 | 34 | #elif defined (task_pt_regs) |
a65e7bfc | 35 | elf_core_copy_regs(elfregs, task_pt_regs(t)); |
1da177e4 LT |
36 | #endif |
37 | return 0; | |
38 | } | |
39 | ||
40 | extern int dump_fpu (struct pt_regs *, elf_fpregset_t *); | |
41 | ||
42 | static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu) | |
43 | { | |
44 | #ifdef ELF_CORE_COPY_FPREGS | |
45 | return ELF_CORE_COPY_FPREGS(t, fpu); | |
46 | #else | |
47 | return dump_fpu(regs, fpu); | |
48 | #endif | |
49 | } | |
50 | ||
51 | #ifdef ELF_CORE_COPY_XFPREGS | |
52 | static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu) | |
53 | { | |
54 | return ELF_CORE_COPY_XFPREGS(t, xfpu); | |
55 | } | |
56 | #endif | |
57 | ||
1fcccbac DH |
58 | /* |
59 | * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out | |
60 | * extra segments containing the gate DSO contents. Dumping its | |
61 | * contents makes post-mortem fully interpretable later without matching up | |
62 | * the same kernel and hardware config to see what PC values meant. | |
63 | * Dumping its extra ELF program headers includes all the other information | |
64 | * a debugger needs to easily find how the gate DSO was being used. | |
65 | */ | |
66 | extern Elf_Half elf_core_extra_phdrs(void); | |
67 | extern int | |
506f21c5 | 68 | elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset); |
1fcccbac | 69 | extern int |
aa3e7eaf | 70 | elf_core_write_extra_data(struct coredump_params *cprm); |
8d9032bb | 71 | extern size_t elf_core_extra_data_size(void); |
1da177e4 LT |
72 | |
73 | #endif /* _LINUX_ELFCORE_H */ |