xref: /linux-6.15/include/linux/elfcore.h (revision 4bedea94)
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>
7 #include <linux/user.h>
8 
9 struct elf_siginfo
10 {
11 	int	si_signo;			/* signal number */
12 	int	si_code;			/* extra code */
13 	int	si_errno;			/* errno */
14 };
15 
16 #include <asm/elf.h>
17 
18 #ifndef __KERNEL__
19 typedef elf_greg_t greg_t;
20 typedef elf_gregset_t gregset_t;
21 typedef elf_fpregset_t fpregset_t;
22 typedef elf_fpxregset_t fpxregset_t;
23 #define NGREG ELF_NGREG
24 #endif
25 
26 /*
27  * Definitions to generate Intel SVR4-like core files.
28  * These mostly have the same names as the SVR4 types with "elf_"
29  * tacked on the front to prevent clashes with linux definitions,
30  * and the typedef forms have been avoided.  This is mostly like
31  * the SVR4 structure, but more Linuxy, with things that Linux does
32  * not support and which gdb doesn't really use excluded.
33  * Fields present but not used are marked with "XXX".
34  */
35 struct elf_prstatus
36 {
37 #if 0
38 	long	pr_flags;	/* XXX Process flags */
39 	short	pr_why;		/* XXX Reason for process halt */
40 	short	pr_what;	/* XXX More detailed reason */
41 #endif
42 	struct elf_siginfo pr_info;	/* Info associated with signal */
43 	short	pr_cursig;		/* Current signal */
44 	unsigned long pr_sigpend;	/* Set of pending signals */
45 	unsigned long pr_sighold;	/* Set of held signals */
46 #if 0
47 	struct sigaltstack pr_altstack;	/* Alternate stack info */
48 	struct sigaction pr_action;	/* Signal action for current sig */
49 #endif
50 	pid_t	pr_pid;
51 	pid_t	pr_ppid;
52 	pid_t	pr_pgrp;
53 	pid_t	pr_sid;
54 	struct timeval pr_utime;	/* User time */
55 	struct timeval pr_stime;	/* System time */
56 	struct timeval pr_cutime;	/* Cumulative user time */
57 	struct timeval pr_cstime;	/* Cumulative system time */
58 #if 0
59 	long	pr_instr;		/* Current instruction */
60 #endif
61 	elf_gregset_t pr_reg;	/* GP registers */
62 	int pr_fpvalid;		/* True if math co-processor being used.  */
63 };
64 
65 #define ELF_PRARGSZ	(80)	/* Number of chars for args */
66 
67 struct elf_prpsinfo
68 {
69 	char	pr_state;	/* numeric process state */
70 	char	pr_sname;	/* char for pr_state */
71 	char	pr_zomb;	/* zombie */
72 	char	pr_nice;	/* nice val */
73 	unsigned long pr_flag;	/* flags */
74 	__kernel_uid_t	pr_uid;
75 	__kernel_gid_t	pr_gid;
76 	pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;
77 	/* Lots missing */
78 	char	pr_fname[16];	/* filename of executable */
79 	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */
80 };
81 
82 #ifndef __KERNEL__
83 typedef struct elf_prstatus prstatus_t;
84 typedef struct elf_prpsinfo prpsinfo_t;
85 #define PRARGSZ ELF_PRARGSZ
86 #endif
87 
88 #ifdef __KERNEL__
89 static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
90 {
91 #ifdef ELF_CORE_COPY_REGS
92 	ELF_CORE_COPY_REGS((*elfregs), regs)
93 #else
94 	BUG_ON(sizeof(*elfregs) != sizeof(*regs));
95 	*(struct pt_regs *)elfregs = *regs;
96 #endif
97 }
98 
99 static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs)
100 {
101 #ifdef ELF_CORE_COPY_TASK_REGS
102 
103 	return ELF_CORE_COPY_TASK_REGS(t, elfregs);
104 #endif
105 	return 0;
106 }
107 
108 extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
109 
110 static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu)
111 {
112 #ifdef ELF_CORE_COPY_FPREGS
113 	return ELF_CORE_COPY_FPREGS(t, fpu);
114 #else
115 	return dump_fpu(regs, fpu);
116 #endif
117 }
118 
119 #ifdef ELF_CORE_COPY_XFPREGS
120 static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu)
121 {
122 	return ELF_CORE_COPY_XFPREGS(t, xfpu);
123 }
124 #endif
125 
126 #endif /* __KERNEL__ */
127 
128 
129 #endif /* _LINUX_ELFCORE_H */
130