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1da177e4 LT |
1 | #ifndef _LINUX_ELFCORE_H |
2 | #define _LINUX_ELFCORE_H | |
3 | ||
4 | #include <linux/types.h> | |
5 | #include <linux/signal.h> | |
6 | #include <linux/time.h> | |
c1445db9 | 7 | #ifdef __KERNEL__ |
1da177e4 | 8 | #include <linux/user.h> |
c1445db9 | 9 | #endif |
2c5d81a5 | 10 | #include <linux/ptrace.h> |
1fcccbac DH |
11 | #include <linux/elf.h> |
12 | #include <linux/fs.h> | |
1da177e4 LT |
13 | |
14 | struct elf_siginfo | |
15 | { | |
16 | int si_signo; /* signal number */ | |
17 | int si_code; /* extra code */ | |
18 | int si_errno; /* errno */ | |
19 | }; | |
20 | ||
6cc931b9 | 21 | #ifdef __KERNEL__ |
1da177e4 | 22 | #include <asm/elf.h> |
6cc931b9 | 23 | #endif |
1da177e4 LT |
24 | |
25 | #ifndef __KERNEL__ | |
26 | typedef elf_greg_t greg_t; | |
27 | typedef elf_gregset_t gregset_t; | |
28 | typedef elf_fpregset_t fpregset_t; | |
29 | typedef elf_fpxregset_t fpxregset_t; | |
30 | #define NGREG ELF_NGREG | |
31 | #endif | |
32 | ||
33 | /* | |
34 | * Definitions to generate Intel SVR4-like core files. | |
35 | * These mostly have the same names as the SVR4 types with "elf_" | |
36 | * tacked on the front to prevent clashes with linux definitions, | |
37 | * and the typedef forms have been avoided. This is mostly like | |
38 | * the SVR4 structure, but more Linuxy, with things that Linux does | |
39 | * not support and which gdb doesn't really use excluded. | |
40 | * Fields present but not used are marked with "XXX". | |
41 | */ | |
42 | struct elf_prstatus | |
43 | { | |
44 | #if 0 | |
45 | long pr_flags; /* XXX Process flags */ | |
46 | short pr_why; /* XXX Reason for process halt */ | |
47 | short pr_what; /* XXX More detailed reason */ | |
48 | #endif | |
49 | struct elf_siginfo pr_info; /* Info associated with signal */ | |
50 | short pr_cursig; /* Current signal */ | |
51 | unsigned long pr_sigpend; /* Set of pending signals */ | |
52 | unsigned long pr_sighold; /* Set of held signals */ | |
53 | #if 0 | |
54 | struct sigaltstack pr_altstack; /* Alternate stack info */ | |
55 | struct sigaction pr_action; /* Signal action for current sig */ | |
56 | #endif | |
57 | pid_t pr_pid; | |
58 | pid_t pr_ppid; | |
59 | pid_t pr_pgrp; | |
60 | pid_t pr_sid; | |
61 | struct timeval pr_utime; /* User time */ | |
62 | struct timeval pr_stime; /* System time */ | |
63 | struct timeval pr_cutime; /* Cumulative user time */ | |
64 | struct timeval pr_cstime; /* Cumulative system time */ | |
65 | #if 0 | |
66 | long pr_instr; /* Current instruction */ | |
67 | #endif | |
68 | elf_gregset_t pr_reg; /* GP registers */ | |
6d8c4e3b DH |
69 | #ifdef CONFIG_BINFMT_ELF_FDPIC |
70 | /* When using FDPIC, the loadmap addresses need to be communicated | |
71 | * to GDB in order for GDB to do the necessary relocations. The | |
72 | * fields (below) used to communicate this information are placed | |
73 | * immediately after ``pr_reg'', so that the loadmap addresses may | |
74 | * be viewed as part of the register set if so desired. | |
75 | */ | |
76 | unsigned long pr_exec_fdpic_loadmap; | |
77 | unsigned long pr_interp_fdpic_loadmap; | |
78 | #endif | |
1da177e4 LT |
79 | int pr_fpvalid; /* True if math co-processor being used. */ |
80 | }; | |
81 | ||
82 | #define ELF_PRARGSZ (80) /* Number of chars for args */ | |
83 | ||
84 | struct elf_prpsinfo | |
85 | { | |
86 | char pr_state; /* numeric process state */ | |
87 | char pr_sname; /* char for pr_state */ | |
88 | char pr_zomb; /* zombie */ | |
89 | char pr_nice; /* nice val */ | |
90 | unsigned long pr_flag; /* flags */ | |
91 | __kernel_uid_t pr_uid; | |
92 | __kernel_gid_t pr_gid; | |
93 | pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid; | |
94 | /* Lots missing */ | |
95 | char pr_fname[16]; /* filename of executable */ | |
96 | char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */ | |
97 | }; | |
98 | ||
99 | #ifndef __KERNEL__ | |
100 | typedef struct elf_prstatus prstatus_t; | |
101 | typedef struct elf_prpsinfo prpsinfo_t; | |
102 | #define PRARGSZ ELF_PRARGSZ | |
103 | #endif | |
104 | ||
105 | #ifdef __KERNEL__ | |
106 | static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs) | |
107 | { | |
108 | #ifdef ELF_CORE_COPY_REGS | |
109 | ELF_CORE_COPY_REGS((*elfregs), regs) | |
110 | #else | |
111 | BUG_ON(sizeof(*elfregs) != sizeof(*regs)); | |
112 | *(struct pt_regs *)elfregs = *regs; | |
113 | #endif | |
114 | } | |
115 | ||
6cd61c0b TH |
116 | static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_regs *regs) |
117 | { | |
118 | #ifdef ELF_CORE_COPY_KERNEL_REGS | |
119 | ELF_CORE_COPY_KERNEL_REGS((*elfregs), regs); | |
120 | #else | |
121 | elf_core_copy_regs(elfregs, regs); | |
122 | #endif | |
123 | } | |
124 | ||
1da177e4 LT |
125 | static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs) |
126 | { | |
e9bf0cc7 | 127 | #if defined (ELF_CORE_COPY_TASK_REGS) |
1da177e4 | 128 | return ELF_CORE_COPY_TASK_REGS(t, elfregs); |
e9bf0cc7 | 129 | #elif defined (task_pt_regs) |
a65e7bfc | 130 | elf_core_copy_regs(elfregs, task_pt_regs(t)); |
1da177e4 LT |
131 | #endif |
132 | return 0; | |
133 | } | |
134 | ||
135 | extern int dump_fpu (struct pt_regs *, elf_fpregset_t *); | |
136 | ||
137 | static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu) | |
138 | { | |
139 | #ifdef ELF_CORE_COPY_FPREGS | |
140 | return ELF_CORE_COPY_FPREGS(t, fpu); | |
141 | #else | |
142 | return dump_fpu(regs, fpu); | |
143 | #endif | |
144 | } | |
145 | ||
146 | #ifdef ELF_CORE_COPY_XFPREGS | |
147 | static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu) | |
148 | { | |
149 | return ELF_CORE_COPY_XFPREGS(t, xfpu); | |
150 | } | |
151 | #endif | |
152 | ||
1fcccbac DH |
153 | /* |
154 | * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out | |
155 | * extra segments containing the gate DSO contents. Dumping its | |
156 | * contents makes post-mortem fully interpretable later without matching up | |
157 | * the same kernel and hardware config to see what PC values meant. | |
158 | * Dumping its extra ELF program headers includes all the other information | |
159 | * a debugger needs to easily find how the gate DSO was being used. | |
160 | */ | |
161 | extern Elf_Half elf_core_extra_phdrs(void); | |
162 | extern int | |
163 | elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, | |
164 | unsigned long limit); | |
165 | extern int | |
166 | elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit); | |
8d9032bb | 167 | extern size_t elf_core_extra_data_size(void); |
1da177e4 | 168 | |
2faa4cf7 RM |
169 | #endif /* __KERNEL__ */ |
170 | ||
1da177e4 | 171 | #endif /* _LINUX_ELFCORE_H */ |