include/linux/elfcore.h

   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 #ifdef CONFIG_BINFMT_ELF_FDPIC
  64         /* When using FDPIC, the loadmap addresses need to be communicated
  65          * to GDB in order for GDB to do the necessary relocations.  The
  66          * fields (below) used to communicate this information are placed
  67          * immediately after ``pr_reg'', so that the loadmap addresses may
  68          * be viewed as part of the register set if so desired.
  69          */
  70         unsigned long pr_exec_fdpic_loadmap;
  71         unsigned long pr_interp_fdpic_loadmap;
  72 #endif
  73         int pr_fpvalid;         /* True if math co-processor being used.  */
  74 };
  75
  76 #define ELF_PRARGSZ     (80)    /* Number of chars for args */
  77
  78 struct elf_prpsinfo
  79 {
  80         char    pr_state;       /* numeric process state */
  81         char    pr_sname;       /* char for pr_state */
  82         char    pr_zomb;        /* zombie */
  83         char    pr_nice;        /* nice val */
  84         unsigned long pr_flag;  /* flags */
  85         __kernel_uid_t  pr_uid;
  86         __kernel_gid_t  pr_gid;
  87         pid_t   pr_pid, pr_ppid, pr_pgrp, pr_sid;
  88         /* Lots missing */
  89         char    pr_fname[16];   /* filename of executable */
  90         char    pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
  91 };
  92
  93 #ifndef __KERNEL__
  94 typedef struct elf_prstatus prstatus_t;
  95 typedef struct elf_prpsinfo prpsinfo_t;
  96 #define PRARGSZ ELF_PRARGSZ
  97 #endif
  98
  99 #ifdef __KERNEL__
 100 static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
 101 {
 102 #ifdef ELF_CORE_COPY_REGS
 103         ELF_CORE_COPY_REGS((*elfregs), regs)
 104 #else
 105         BUG_ON(sizeof(*elfregs) != sizeof(*regs));
 106         *(struct pt_regs *)elfregs = *regs;
 107 #endif
 108 }
 109
 110 static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs)
 111 {
 112 #ifdef ELF_CORE_COPY_TASK_REGS
 113
 114         return ELF_CORE_COPY_TASK_REGS(t, elfregs);
 115 #endif
 116         return 0;
 117 }
 118
 119 extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
 120
 121 static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu)
 122 {
 123 #ifdef ELF_CORE_COPY_FPREGS
 124         return ELF_CORE_COPY_FPREGS(t, fpu);
 125 #else
 126         return dump_fpu(regs, fpu);
 127 #endif
 128 }
 129
 130 #ifdef ELF_CORE_COPY_XFPREGS
 131 static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu)
 132 {
 133         return ELF_CORE_COPY_XFPREGS(t, xfpu);
 134 }
 135 #endif
 136
 137 #endif /* __KERNEL__ */
 138
 139
 140 #endif /* _LINUX_ELFCORE_H */