1/* Copyright (C) 2006-2017 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
38typedef unsigned int uint32_t;
39typedef unsigned long long int uint64_t;
40#endif
41
42/* Unsigned 64-bit integer aligned to 8 bytes.  */
43typedef uint64_t __attribute__ ((__aligned__ (8))) a8_uint64_t;
44
45#undef HAVE_PRPSINFO32_T
46#define HAVE_PRPSINFO32_T
47#undef HAVE_PRPSINFO32_T_PR_PID
48#define HAVE_PRPSINFO32_T_PR_PID
49
50#undef HAVE_PRSTATUS32_T
51#define HAVE_PRSTATUS32_T
52
53/* These are the 32-bit x86 structures.  */
54
55struct user_regs32_struct
56{
57  int32_t ebx;
58  int32_t ecx;
59  int32_t edx;
60  int32_t esi;
61  int32_t edi;
62  int32_t ebp;
63  int32_t eax;
64  int32_t xds;
65  int32_t xes;
66  int32_t xfs;
67  int32_t xgs;
68  int32_t orig_eax;
69  int32_t eip;
70  int32_t xcs;
71  int32_t eflags;
72  int32_t esp;
73  int32_t xss;
74};
75
76struct user_regs64_struct
77{
78  a8_uint64_t r15;
79  a8_uint64_t r14;
80  a8_uint64_t r13;
81  a8_uint64_t r12;
82  a8_uint64_t rbp;
83  a8_uint64_t rbx;
84  a8_uint64_t r11;
85  a8_uint64_t r10;
86  a8_uint64_t r9;
87  a8_uint64_t r8;
88  a8_uint64_t rax;
89  a8_uint64_t rcx;
90  a8_uint64_t rdx;
91  a8_uint64_t rsi;
92  a8_uint64_t rdi;
93  a8_uint64_t orig_rax;
94  a8_uint64_t rip;
95  a8_uint64_t cs;
96  a8_uint64_t eflags;
97  a8_uint64_t rsp;
98  a8_uint64_t ss;
99  a8_uint64_t fs_base;
100  a8_uint64_t gs_base;
101  a8_uint64_t ds;
102  a8_uint64_t es;
103  a8_uint64_t fs;
104  a8_uint64_t gs;
105};
106
107/* Type for a general-purpose register.  */
108typedef uint32_t elf_greg32_t;
109typedef a8_uint64_t elf_greg64_t;
110
111/* And the whole bunch of them.  We could have used `struct
112   user_regs_struct' directly in the typedef, but tradition says that
113   the register set is an array, which does have some peculiar
114   semantics, so leave it that way.  */
115#define ELF_NGREG32 (sizeof (struct user_regs32_struct) / sizeof(elf_greg32_t))
116typedef elf_greg32_t elf_gregset32_t[ELF_NGREG32];
117#define ELF_NGREG64 (sizeof (struct user_regs64_struct) / sizeof(elf_greg64_t))
118typedef elf_greg64_t elf_gregset64_t[ELF_NGREG64];
119
120/* Definitions to generate Intel SVR4-like core files.  These mostly
121   have the same names as the SVR4 types with "elf_" tacked on the
122   front to prevent clashes with Linux definitions, and the typedef
123   forms have been avoided.  This is mostly like the SVR4 structure,
124   but more Linuxy, with things that Linux does not support and which
125   GDB doesn't really use excluded.  */
126
127struct prstatus32_timeval
128  {
129    int tv_sec;
130    int tv_usec;
131  };
132
133struct prstatus64_timeval
134  {
135    a8_uint64_t tv_sec;
136    a8_uint64_t tv_usec;
137  };
138
139struct elf_prstatus32
140  {
141    struct elf_siginfo pr_info;		/* Info associated with signal.  */
142    short int pr_cursig;		/* Current signal.  */
143    unsigned int pr_sigpend;		/* Set of pending signals.  */
144    unsigned int pr_sighold;		/* Set of held signals.  */
145    pid_t pr_pid;
146    pid_t pr_ppid;
147    pid_t pr_pgrp;
148    pid_t pr_sid;
149    struct prstatus32_timeval pr_utime;		/* User time.  */
150    struct prstatus32_timeval pr_stime;		/* System time.  */
151    struct prstatus32_timeval pr_cutime;	/* Cumulative user time.  */
152    struct prstatus32_timeval pr_cstime;	/* Cumulative system time.  */
153    elf_gregset32_t pr_reg;		/* GP registers.  */
154    int pr_fpvalid;			/* True if math copro being used.  */
155  };
156
157struct elf_prstatusx32
158  {
159    struct elf_siginfo pr_info;		/* Info associated with signal.  */
160    short int pr_cursig;		/* Current signal.  */
161    unsigned int pr_sigpend;		/* Set of pending signals.  */
162    unsigned int pr_sighold;		/* Set of held signals.  */
163    pid_t pr_pid;
164    pid_t pr_ppid;
165    pid_t pr_pgrp;
166    pid_t pr_sid;
167    struct prstatus32_timeval pr_utime;		/* User time.  */
168    struct prstatus32_timeval pr_stime;		/* System time.  */
169    struct prstatus32_timeval pr_cutime;	/* Cumulative user time.  */
170    struct prstatus32_timeval pr_cstime;	/* Cumulative system time.  */
171    elf_gregset64_t pr_reg;		/* GP registers.  */
172    int pr_fpvalid;			/* True if math copro being used.  */
173  };
174
175struct elf_prstatus64
176  {
177    struct elf_siginfo pr_info;	/* Info associated with signal.  */
178    short int pr_cursig;		/* Current signal.  */
179    a8_uint64_t pr_sigpend;		/* Set of pending signals.  */
180    a8_uint64_t pr_sighold;		/* Set of held signals.  */
181    pid_t pr_pid;
182    pid_t pr_ppid;
183    pid_t pr_pgrp;
184    pid_t pr_sid;
185    struct prstatus64_timeval pr_utime;		/* User time.  */
186    struct prstatus64_timeval pr_stime;		/* System time.  */
187    struct prstatus64_timeval pr_cutime;	/* Cumulative user time.  */
188    struct prstatus64_timeval pr_cstime;	/* Cumulative system time.  */
189    elf_gregset64_t pr_reg;		/* GP registers.  */
190    int pr_fpvalid;			/* True if math copro being used.  */
191  };
192
193struct elf_prpsinfo32
194  {
195    char pr_state;			/* Numeric process state.  */
196    char pr_sname;			/* Char for pr_state.  */
197    char pr_zomb;			/* Zombie.  */
198    char pr_nice;			/* Nice val.  */
199    unsigned int pr_flag;		/* Flags.  */
200    unsigned short int pr_uid;
201    unsigned short int pr_gid;
202    int pr_pid, pr_ppid, pr_pgrp, pr_sid;
203    /* Lots missing */
204    char pr_fname[16];			/* Filename of executable.  */
205    char pr_psargs[ELF_PRARGSZ];	/* Initial part of arg list.  */
206  };
207
208struct elf_prpsinfo64
209  {
210    char pr_state;			/* Numeric process state.  */
211    char pr_sname;			/* Char for pr_state.  */
212    char pr_zomb;			/* Zombie.  */
213    char pr_nice;			/* Nice val.  */
214    a8_uint64_t pr_flag;		/* Flags.  */
215    unsigned int pr_uid;
216    unsigned int pr_gid;
217    int pr_pid, pr_ppid, pr_pgrp, pr_sid;
218    /* Lots missing */
219    char pr_fname[16];			/* Filename of executable.  */
220    char pr_psargs[ELF_PRARGSZ];	/* Initial part of arg list.  */
221  };
222
223/* The rest of this file provides the types for emulation of the
224   Solaris <proc_service.h> interfaces that should be implemented by
225   users of libthread_db.  */
226
227/* Process status and info.  In the end we do provide typedefs for them.  */
228typedef struct elf_prstatus32 prstatus32_t;
229typedef struct elf_prstatusx32 prstatusx32_t;
230typedef struct elf_prstatus64 prstatus64_t;
231typedef struct elf_prpsinfo32 prpsinfo32_t;
232typedef struct elf_prpsinfo64 prpsinfo64_t;
233