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
  12 struct 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__
  24 typedef elf_greg_t greg_t;
  25 typedef elf_gregset_t gregset_t;
  26 typedef elf_fpregset_t fpregset_t;
  27 typedef 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  */
  40 struct 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
  82 struct 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__
  98 typedef struct elf_prstatus prstatus_t;
  99 typedef struct elf_prpsinfo prpsinfo_t;
 100 #define PRARGSZ ELF_PRARGSZ
 101 #endif
 102
 103 #ifdef __KERNEL__
 104 static 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
 114 static 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
 123 static 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
 133 extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
 134
 135 static 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
 145 static 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 */