bfd/hosts/x86-64linux.h

   1 /* Copyright (C) 2006, 2011
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 /* This is somewhat modelled after the file of the same name on SVR4
  21    systems.  It provides a definition of the core file format for ELF
  22    used on Linux.  It doesn't have anything to do with the /proc file
  23    system, even though Linux has one.
  24
  25    Anyway, the whole purpose of this file is for GDB and GDB only.
  26    Don't read too much into it.  Don't use it for anything other than
  27    GDB unless you know what you are doing.  */
  28
  29 #include <features.h>
  30 #include <sys/time.h>
  31 #include <sys/types.h>
  32
  33 /* We define here only the symbols differing from their 64-bit variant.  */
  34 #include <sys/procfs.h>
  35
  36 #ifdef HAVE_STDINT_H
  37 #include <stdint.h>
  38 #else
  39 typedef unsigned int uint32_t;
  40 #endif
  41
  42 #undef HAVE_PRPSINFO32_T
  43 #define HAVE_PRPSINFO32_T
  44
  45 #undef HAVE_PRSTATUS32_T
  46 #define HAVE_PRSTATUS32_T
  47
  48 /* These are the 32-bit x86 structures.  */
  49
  50 struct user_fpregs32_struct
  51 {
  52   int32_t cwd;
  53   int32_t swd;
  54   int32_t twd;
  55   int32_t fip;
  56   int32_t fcs;
  57   int32_t foo;
  58   int32_t fos;
  59   int32_t st_space [20];
  60 };
  61
  62 struct user_fpxregs32_struct
  63 {
  64   unsigned short int cwd;
  65   unsigned short int swd;
  66   unsigned short int twd;
  67   unsigned short int fop;
  68   int32_t fip;
  69   int32_t fcs;
  70   int32_t foo;
  71   int32_t fos;
  72   int32_t mxcsr;
  73   int32_t reserved;
  74   int32_t st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
  75   int32_t xmm_space[32];  /* 8*16 bytes for each XMM-reg = 128 bytes */
  76   int32_t padding[56];
  77 };
  78
  79 struct user_regs32_struct
  80 {
  81   int32_t ebx;
  82   int32_t ecx;
  83   int32_t edx;
  84   int32_t esi;
  85   int32_t edi;
  86   int32_t ebp;
  87   int32_t eax;
  88   int32_t xds;
  89   int32_t xes;
  90   int32_t xfs;
  91   int32_t xgs;
  92   int32_t orig_eax;
  93   int32_t eip;
  94   int32_t xcs;
  95   int32_t eflags;
  96   int32_t esp;
  97   int32_t xss;
  98 };
  99
 100 struct user32
 101 {
 102   struct user_regs32_struct     regs;
 103   int                           u_fpvalid;
 104   struct user_fpregs32_struct   i387;
 105   uint32_t                      u_tsize;
 106   uint32_t                      u_dsize;
 107   uint32_t                      u_ssize;
 108   uint32_t                      start_code;
 109   uint32_t                      start_stack;
 110   int32_t                       signal;
 111   int                           reserved;
 112   struct user_regs32_struct*    u_ar0;
 113   struct user_fpregs32_struct*  u_fpstate;
 114   uint32_t                      magic;
 115   char                          u_comm [32];
 116   int                           u_debugreg [8];
 117 };
 118
 119 /* Type for a general-purpose register.  */
 120 typedef unsigned int elf_greg32_t;
 121
 122 /* And the whole bunch of them.  We could have used `struct
 123    user_regs_struct' directly in the typedef, but tradition says that
 124    the register set is an array, which does have some peculiar
 125    semantics, so leave it that way.  */
 126 #define ELF_NGREG32 (sizeof (struct user_regs32_struct) / sizeof(elf_greg32_t))
 127 typedef elf_greg32_t elf_gregset32_t[ELF_NGREG32];
 128
 129 /* Register set for the floating-point registers.  */
 130 typedef struct user_fpregs32_struct elf_fpregset32_t;
 131
 132 /* Register set for the extended floating-point registers.  Includes
 133    the Pentium III SSE registers in addition to the classic
 134    floating-point stuff.  */
 135 typedef struct user_fpxregs32_struct elf_fpxregset32_t;
 136
 137
 138 /* Definitions to generate Intel SVR4-like core files.  These mostly
 139    have the same names as the SVR4 types with "elf_" tacked on the
 140    front to prevent clashes with Linux definitions, and the typedef
 141    forms have been avoided.  This is mostly like the SVR4 structure,
 142    but more Linuxy, with things that Linux does not support and which
 143    GDB doesn't really use excluded.  */
 144
 145 struct prstatus32_timeval
 146   {
 147     int tv_sec;
 148     int tv_usec;
 149   };
 150
 151 struct elf_prstatus32
 152   {
 153     struct elf_siginfo pr_info;         /* Info associated with signal.  */
 154     short int pr_cursig;                /* Current signal.  */
 155     unsigned int pr_sigpend;            /* Set of pending signals.  */
 156     unsigned int pr_sighold;            /* Set of held signals.  */
 157     pid_t pr_pid;
 158     pid_t pr_ppid;
 159     pid_t pr_pgrp;
 160     pid_t pr_sid;
 161     struct prstatus32_timeval pr_utime;         /* User time.  */
 162     struct prstatus32_timeval pr_stime;         /* System time.  */
 163     struct prstatus32_timeval pr_cutime;        /* Cumulative user time.  */
 164     struct prstatus32_timeval pr_cstime;        /* Cumulative system time.  */
 165     elf_gregset32_t pr_reg;             /* GP registers.  */
 166     int pr_fpvalid;                     /* True if math copro being used.  */
 167   };
 168
 169
 170 struct elf_prpsinfo32
 171   {
 172     char pr_state;                      /* Numeric process state.  */
 173     char pr_sname;                      /* Char for pr_state.  */
 174     char pr_zomb;                       /* Zombie.  */
 175     char pr_nice;                       /* Nice val.  */
 176     unsigned int pr_flag;               /* Flags.  */
 177     unsigned short int pr_uid;
 178     unsigned short int pr_gid;
 179     int pr_pid, pr_ppid, pr_pgrp, pr_sid;
 180     /* Lots missing */
 181     char pr_fname[16];                  /* Filename of executable.  */
 182     char pr_psargs[ELF_PRARGSZ];        /* Initial part of arg list.  */
 183   };
 184
 185
 186 /* The rest of this file provides the types for emulation of the
 187    Solaris <proc_service.h> interfaces that should be implemented by
 188    users of libthread_db.  */
 189
 190 /* Register sets.  Linux has different names.  */
 191 typedef elf_gregset_t prgregset32_t;
 192 typedef elf_fpregset_t prfpregset32_t;
 193
 194 /* Process status and info.  In the end we do provide typedefs for them.  */
 195 typedef struct elf_prstatus32 prstatus32_t;
 196 typedef struct elf_prpsinfo32 prpsinfo32_t;