LXR linux/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#ifdef __KERNEL__
   8#include <linux/user.h>
   9#endif
  10#include <linux/ptrace.h>
  11
  12struct elf_siginfo
  13{
  14        int     si_signo;                       /* signal number */
  15        int     si_code;                        /* extra code */
  16        int     si_errno;                       /* errno */
  17};
  18
  19#ifdef __KERNEL__
  20#include <asm/elf.h>
  21#endif
  22
  23#ifndef __KERNEL__
  24typedef elf_greg_t greg_t;
  25typedef elf_gregset_t gregset_t;
  26typedef elf_fpregset_t fpregset_t;
  27typedef elf_fpxregset_t fpxregset_t;
  28#define NGREG ELF_NGREG
  29#endif
  30
  31/*
  32 * Definitions to generate Intel SVR4-like core files.
  33 * These mostly have the same names as the SVR4 types with "elf_"
  34 * tacked on the front to prevent clashes with linux definitions,
  35 * and the typedef forms have been avoided.  This is mostly like
  36 * the SVR4 structure, but more Linuxy, with things that Linux does
  37 * not support and which gdb doesn't really use excluded.
  38 * Fields present but not used are marked with "XXX".
  39 */
  40struct elf_prstatus
  41{
  42#if 0
  43        long    pr_flags;       /* XXX Process flags */
  44        short   pr_why;         /* XXX Reason for process halt */
  45        short   pr_what;        /* XXX More detailed reason */
  46#endif
  47        struct elf_siginfo pr_info;     /* Info associated with signal */
  48        short   pr_cursig;              /* Current signal */
  49        unsigned long pr_sigpend;       /* Set of pending signals */
  50        unsigned long pr_sighold;       /* Set of held signals */
  51#if 0
  52        struct sigaltstack pr_altstack; /* Alternate stack info */
  53        struct sigaction pr_action;     /* Signal action for current sig */
  54#endif
  55        pid_t   pr_pid;
  56        pid_t   pr_ppid;
  57        pid_t   pr_pgrp;
  58        pid_t   pr_sid;
  59        struct timeval pr_utime;        /* User time */
  60        struct timeval pr_stime;        /* System time */
  61        struct timeval pr_cutime;       /* Cumulative user time */
  62        struct timeval pr_cstime;       /* Cumulative system time */
  63#if 0
  64        long    pr_instr;               /* Current instruction */
  65#endif
  66        elf_gregset_t pr_reg;   /* GP registers */
  67#ifdef CONFIG_BINFMT_ELF_FDPIC
  68        /* When using FDPIC, the loadmap addresses need to be communicated
  69         * to GDB in order for GDB to do the necessary relocations.  The
  70         * fields (below) used to communicate this information are placed
  71         * immediately after ``pr_reg'', so that the loadmap addresses may
  72         * be viewed as part of the register set if so desired.
  73         */
  74        unsigned long pr_exec_fdpic_loadmap;
  75        unsigned long pr_interp_fdpic_loadmap;
  76#endif
  77        int pr_fpvalid;         /* True if math co-processor being used.  */
  78};
  79
  80#define ELF_PRARGSZ     (80)    /* Number of chars for args */
  81
  82struct elf_prpsinfo
  83{
  84        char    pr_state;       /* numeric process state */
  85        char    pr_sname;       /* char for pr_state */
  86        char    pr_zomb;        /* zombie */
  87        char    pr_nice;        /* nice val */
  88        unsigned long pr_flag;  /* flags */
  89        __kernel_uid_t  pr_uid;
  90        __kernel_gid_t  pr_gid;
  91        pid_t   pr_pid, pr_ppid, pr_pgrp, pr_sid;
  92        /* Lots missing */
  93        char    pr_fname[16];   /* filename of executable */
  94        char    pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
  95};
  96
  97#ifndef __KERNEL__
  98typedef struct elf_prstatus prstatus_t;
  99typedef struct elf_prpsinfo prpsinfo_t;
 100#define PRARGSZ ELF_PRARGSZ 
 101#endif
 102
 103#ifdef __KERNEL__
 104static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
 105{
 106#ifdef ELF_CORE_COPY_REGS
 107        ELF_CORE_COPY_REGS((*elfregs), regs)
 108#else
 109        BUG_ON(sizeof(*elfregs) != sizeof(*regs));
 110        *(struct pt_regs *)elfregs = *regs;
 111#endif
 112}
 113
 114static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
 115{
 116#ifdef ELF_CORE_COPY_KERNEL_REGS
 117        ELF_CORE_COPY_KERNEL_REGS((*elfregs), regs);
 118#else
 119        elf_core_copy_regs(elfregs, regs);
 120#endif
 121}
 122
 123static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs)
 124{
 125#if defined (ELF_CORE_COPY_TASK_REGS)
 126        return ELF_CORE_COPY_TASK_REGS(t, elfregs);
 127#elif defined (task_pt_regs)
 128        elf_core_copy_regs(elfregs, task_pt_regs(t));
 129#endif
 130        return 0;
 131}
 132
 133extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
 134
 135static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu)
 136{
 137#ifdef ELF_CORE_COPY_FPREGS
 138        return ELF_CORE_COPY_FPREGS(t, fpu);
 139#else
 140        return dump_fpu(regs, fpu);
 141#endif
 142}
 143
 144#ifdef ELF_CORE_COPY_XFPREGS
 145static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu)
 146{
 147        return ELF_CORE_COPY_XFPREGS(t, xfpu);
 148}
 149#endif
 150
 151#endif /* __KERNEL__ */
 152
 153
 154#endif /* _LINUX_ELFCORE_H */
 155