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