bfd/hosts/x86-64linux.h

   1 /* Copyright (C) 2006 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 /* This is somewhat modelled after the file of the same name on SVR4
  20    systems.  It provides a definition of the core file format for ELF
  21    used on Linux.  It doesn't have anything to do with the /proc file
  22    system, even though Linux has one.
  23
  24    Anyway, the whole purpose of this file is for GDB and GDB only.
  25    Don't read too much into it.  Don't use it for anything other than
  26    GDB unless you know what you are doing.  */
  27
  28 #include <features.h>
  29 #include <sys/time.h>
  30 #include <sys/types.h>
  31
  32 /* We define here only the symbols differing from their 64-bit variant.  */
  33 #include <sys/procfs.h>
  34
  35 #ifdef HAVE_STDINT_H
  36 #include <stdint.h>
  37 #else
  38 typedef unsigned int uint32_t;
  39 #endif
  40
  41 #undef HAVE_PRPSINFO32_T
  42 #define HAVE_PRPSINFO32_T
  43
  44 #undef HAVE_PRSTATUS32_T
  45 #define HAVE_PRSTATUS32_T
  46
  47 /* These are the 32-bit x86 structures.  */
  48
  49 struct user_fpregs32_struct
  50 {
  51   int32_t cwd;
  52   int32_t swd;
  53   int32_t twd;
  54   int32_t fip;
  55   int32_t fcs;
  56   int32_t foo;
  57   int32_t fos;
  58   int32_t st_space [20];
  59 };
  60
  61 struct user_fpxregs32_struct
  62 {
  63   unsigned short int cwd;
  64   unsigned short int swd;
  65   unsigned short int twd;
  66   unsigned short int fop;
  67   int32_t fip;
  68   int32_t fcs;
  69   int32_t foo;
  70   int32_t fos;
  71   int32_t mxcsr;
  72   int32_t reserved;
  73   int32_t st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
  74   int32_t xmm_space[32];  /* 8*16 bytes for each XMM-reg = 128 bytes */
  75   int32_t padding[56];
  76 };
  77
  78 struct user_regs32_struct
  79 {
  80   int32_t ebx;
  81   int32_t ecx;
  82   int32_t edx;
  83   int32_t esi;
  84   int32_t edi;
  85   int32_t ebp;
  86   int32_t eax;
  87   int32_t xds;
  88   int32_t xes;
  89   int32_t xfs;
  90   int32_t xgs;
  91   int32_t orig_eax;
  92   int32_t eip;
  93   int32_t xcs;
  94   int32_t eflags;
  95   int32_t esp;
  96   int32_t xss;
  97 };
  98
  99 struct user32
 100 {
 101   struct user_regs32_struct     regs;
 102   int                           u_fpvalid;
 103   struct user_fpregs32_struct   i387;
 104   uint32_t                      u_tsize;
 105   uint32_t                      u_dsize;
 106   uint32_t                      u_ssize;
 107   uint32_t                      start_code;
 108   uint32_t                      start_stack;
 109   int32_t                       signal;
 110   int                           reserved;
 111   struct user_regs32_struct*    u_ar0;
 112   struct user_fpregs32_struct*  u_fpstate;
 113   uint32_t                      magic;
 114   char                          u_comm [32];
 115   int                           u_debugreg [8];
 116 };
 117
 118 /* Type for a general-purpose register.  */
 119 typedef unsigned int elf_greg32_t;
 120
 121 /* And the whole bunch of them.  We could have used `struct
 122    user_regs_struct' directly in the typedef, but tradition says that
 123    the register set is an array, which does have some peculiar
 124    semantics, so leave it that way.  */
 125 #define ELF_NGREG32 (sizeof (struct user_regs32_struct) / sizeof(elf_greg32_t))
 126 typedef elf_greg32_t elf_gregset32_t[ELF_NGREG32];
 127
 128 /* Register set for the floating-point registers.  */
 129 typedef struct user_fpregs32_struct elf_fpregset32_t;
 130
 131 /* Register set for the extended floating-point registers.  Includes
 132    the Pentium III SSE registers in addition to the classic
 133    floating-point stuff.  */
 134 typedef struct user_fpxregs32_struct elf_fpxregset32_t;
 135
 136
 137 /* Definitions to generate Intel SVR4-like core files.  These mostly
 138    have the same names as the SVR4 types with "elf_" tacked on the
 139    front to prevent clashes with Linux definitions, and the typedef
 140    forms have been avoided.  This is mostly like the SVR4 structure,
 141    but more Linuxy, with things that Linux does not support and which
 142    GDB doesn't really use excluded.  */
 143
 144 struct prstatus32_timeval
 145   {
 146     int tv_sec;
 147     int tv_usec;
 148   };
 149
 150 struct elf_prstatus32
 151   {
 152     struct elf_siginfo pr_info;         /* Info associated with signal.  */
 153     short int pr_cursig;                /* Current signal.  */
 154     unsigned int pr_sigpend;            /* Set of pending signals.  */
 155     unsigned int pr_sighold;            /* Set of held signals.  */
 156     __pid_t pr_pid;
 157     __pid_t pr_ppid;
 158     __pid_t pr_pgrp;
 159     __pid_t pr_sid;
 160     struct prstatus32_timeval pr_utime;         /* User time.  */
 161     struct prstatus32_timeval pr_stime;         /* System time.  */
 162     struct prstatus32_timeval pr_cutime;        /* Cumulative user time.  */
 163     struct prstatus32_timeval pr_cstime;        /* Cumulative system time.  */
 164     elf_gregset32_t pr_reg;             /* GP registers.  */
 165     int pr_fpvalid;                     /* True if math copro being used.  */
 166   };
 167
 168
 169 struct elf_prpsinfo32
 170   {
 171     char pr_state;                      /* Numeric process state.  */
 172     char pr_sname;                      /* Char for pr_state.  */
 173     char pr_zomb;                       /* Zombie.  */
 174     char pr_nice;                       /* Nice val.  */
 175     unsigned int pr_flag;               /* Flags.  */
 176     unsigned short int pr_uid;
 177     unsigned short int pr_gid;
 178     int pr_pid, pr_ppid, pr_pgrp, pr_sid;
 179     /* Lots missing */
 180     char pr_fname[16];                  /* Filename of executable.  */
 181     char pr_psargs[ELF_PRARGSZ];        /* Initial part of arg list.  */
 182   };
 183
 184
 185 /* The rest of this file provides the types for emulation of the
 186    Solaris <proc_service.h> interfaces that should be implemented by
 187    users of libthread_db.  */
 188
 189 /* Register sets.  Linux has different names.  */
 190 typedef elf_gregset_t prgregset32_t;
 191 typedef elf_fpregset_t prfpregset32_t;
 192
 193 /* Process status and info.  In the end we do provide typedefs for them.  */
 194 typedef struct elf_prstatus32 prstatus32_t;
 195 typedef struct elf_prpsinfo32 prpsinfo32_t;