xref: /linux-6.15/include/linux/elfcore.h (revision de2fe5e0)
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 #include <linux/ptrace.h>
9 
10 struct elf_siginfo
11 {
12 	int	si_signo;			/* signal number */
13 	int	si_code;			/* extra code */
14 	int	si_errno;			/* errno */
15 };
16 
17 #include <asm/elf.h>
18 
19 #ifndef __KERNEL__
20 typedef elf_greg_t greg_t;
21 typedef elf_gregset_t gregset_t;
22 typedef elf_fpregset_t fpregset_t;
23 typedef elf_fpxregset_t fpxregset_t;
24 #define NGREG ELF_NGREG
25 #endif
26 
27 /*
28  * Definitions to generate Intel SVR4-like core files.
29  * These mostly have the same names as the SVR4 types with "elf_"
30  * tacked on the front to prevent clashes with linux definitions,
31  * and the typedef forms have been avoided.  This is mostly like
32  * the SVR4 structure, but more Linuxy, with things that Linux does
33  * not support and which gdb doesn't really use excluded.
34  * Fields present but not used are marked with "XXX".
35  */
36 struct elf_prstatus
37 {
38 #if 0
39 	long	pr_flags;	/* XXX Process flags */
40 	short	pr_why;		/* XXX Reason for process halt */
41 	short	pr_what;	/* XXX More detailed reason */
42 #endif
43 	struct elf_siginfo pr_info;	/* Info associated with signal */
44 	short	pr_cursig;		/* Current signal */
45 	unsigned long pr_sigpend;	/* Set of pending signals */
46 	unsigned long pr_sighold;	/* Set of held signals */
47 #if 0
48 	struct sigaltstack pr_altstack;	/* Alternate stack info */
49 	struct sigaction pr_action;	/* Signal action for current sig */
50 #endif
51 	pid_t	pr_pid;
52 	pid_t	pr_ppid;
53 	pid_t	pr_pgrp;
54 	pid_t	pr_sid;
55 	struct timeval pr_utime;	/* User time */
56 	struct timeval pr_stime;	/* System time */
57 	struct timeval pr_cutime;	/* Cumulative user time */
58 	struct timeval pr_cstime;	/* Cumulative system time */
59 #if 0
60 	long	pr_instr;		/* Current instruction */
61 #endif
62 	elf_gregset_t pr_reg;	/* GP registers */
63 	int pr_fpvalid;		/* True if math co-processor being used.  */
64 };
65 
66 #define ELF_PRARGSZ	(80)	/* Number of chars for args */
67 
68 struct elf_prpsinfo
69 {
70 	char	pr_state;	/* numeric process state */
71 	char	pr_sname;	/* char for pr_state */
72 	char	pr_zomb;	/* zombie */
73 	char	pr_nice;	/* nice val */
74 	unsigned long pr_flag;	/* flags */
75 	__kernel_uid_t	pr_uid;
76 	__kernel_gid_t	pr_gid;
77 	pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;
78 	/* Lots missing */
79 	char	pr_fname[16];	/* filename of executable */
80 	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */
81 };
82 
83 #ifndef __KERNEL__
84 typedef struct elf_prstatus prstatus_t;
85 typedef struct elf_prpsinfo prpsinfo_t;
86 #define PRARGSZ ELF_PRARGSZ
87 #endif
88 
89 #ifdef __KERNEL__
90 static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
91 {
92 #ifdef ELF_CORE_COPY_REGS
93 	ELF_CORE_COPY_REGS((*elfregs), regs)
94 #else
95 	BUG_ON(sizeof(*elfregs) != sizeof(*regs));
96 	*(struct pt_regs *)elfregs = *regs;
97 #endif
98 }
99 
100 static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs)
101 {
102 #ifdef ELF_CORE_COPY_TASK_REGS
103 
104 	return ELF_CORE_COPY_TASK_REGS(t, elfregs);
105 #endif
106 	return 0;
107 }
108 
109 extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
110 
111 static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu)
112 {
113 #ifdef ELF_CORE_COPY_FPREGS
114 	return ELF_CORE_COPY_FPREGS(t, fpu);
115 #else
116 	return dump_fpu(regs, fpu);
117 #endif
118 }
119 
120 #ifdef ELF_CORE_COPY_XFPREGS
121 static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu)
122 {
123 	return ELF_CORE_COPY_XFPREGS(t, xfpu);
124 }
125 #endif
126 
127 #endif /* __KERNEL__ */
128 
129 
130 #endif /* _LINUX_ELFCORE_H */
131