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#include <linux/user.h>
   8#include <linux/ptrace.h>
   9
  10struct 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__
  20typedef elf_greg_t greg_t;
  21typedef elf_gregset_t gregset_t;
  22typedef elf_fpregset_t fpregset_t;
  23typedef 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 */
  36struct 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
  78struct 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__
  94typedef struct elf_prstatus prstatus_t;
  95typedef struct elf_prpsinfo prpsinfo_t;
  96#define PRARGSZ ELF_PRARGSZ 
  97#endif
  98
  99#ifdef __KERNEL__
 100static 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
 110static 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
 119extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
 120
 121static 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
 131static 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 */
 141