linux.hh revision 11383:5ac090acd180 
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Gabe Black
38 */
39
40#ifndef __ARCH_X86_LINUX_LINUX_HH__
41#define __ARCH_X86_LINUX_LINUX_HH__
42
43#include "kern/linux/linux.hh"
44
45class X86Linux64 : public Linux
46{
47  public:
48
49    typedef struct {
50        uint64_t st_dev;
51        uint64_t st_ino;
52        uint64_t st_nlink;
53        uint32_t st_mode;
54        uint32_t st_uid;
55        uint32_t st_gid;
56        uint32_t __pad0;
57        uint64_t st_rdev;
58        int64_t st_size;
59        int64_t st_blksize;
60        int64_t st_blocks;
61        uint64_t st_atimeX;
62        uint64_t st_atime_nsec;
63        uint64_t st_mtimeX;
64        uint64_t st_mtime_nsec;
65        uint64_t st_ctimeX;
66        uint64_t st_ctime_nsec;
67        int64_t unused0[3];
68    } tgt_stat64;
69
70    static const int TGT_SIGHUP         = 0x000001;
71    static const int TGT_SIGINT         = 0x000002;
72    static const int TGT_SIGQUIT        = 0x000003;
73    static const int TGT_SIGILL         = 0x000004;
74    static const int TGT_SIGTRAP        = 0x000005;
75    static const int TGT_SIGABRT        = 0x000006;
76    static const int TGT_SIGIOT         = 0x000006;
77    static const int TGT_SIGBUS         = 0x000007;
78    static const int TGT_SIGFPE         = 0x000008;
79    static const int TGT_SIGKILL        = 0x000009;
80    static const int TGT_SIGUSR1        = 0x00000a;
81    static const int TGT_SIGSEGV        = 0x00000b;
82    static const int TGT_SIGUSR2        = 0x00000c;
83    static const int TGT_SIGPIPE        = 0x00000d;
84    static const int TGT_SIGALRM        = 0x00000e;
85    static const int TGT_SIGTERM        = 0x00000f;
86    static const int TGT_SIGSTKFLT      = 0x000010;
87    static const int TGT_SIGCHLD        = 0x000011;
88    static const int TGT_SIGCONT        = 0x000012;
89    static const int TGT_SIGSTOP        = 0x000013;
90    static const int TGT_SIGTSTP        = 0x000014;
91    static const int TGT_SIGTTIN        = 0x000015;
92    static const int TGT_SIGTTOU        = 0x000016;
93    static const int TGT_SIGURG         = 0x000017;
94    static const int TGT_SIGXCPU        = 0x000018;
95    static const int TGT_SIGXFSZ        = 0x000019;
96    static const int TGT_SIGVTALRM      = 0x00001a;
97    static const int TGT_SIGPROF        = 0x00001b;
98    static const int TGT_SIGWINCH       = 0x00001c;
99    static const int TGT_SIGIO          = 0x00001d;
100    static const int TGT_SIGPOLL        = 0x00001d;
101    static const int TGT_SIGPWR         = 0x00001e;
102    static const int TGT_SIGSYS         = 0x00001f;
103    static const int TGT_SIGUNUSED      = 0x00001f;
104
105    static SyscallFlagTransTable openFlagTable[];
106
107    static const int TGT_O_RDONLY       = 000000000;     //!< O_RDONLY
108    static const int TGT_O_WRONLY       = 000000001;     //!< O_WRONLY
109    static const int TGT_O_RDWR         = 000000002;     //!< O_RDWR
110    static const int TGT_O_CREAT        = 000000100;     //!< O_CREAT
111    static const int TGT_O_EXCL         = 000000200;     //!< O_EXCL
112    static const int TGT_O_NOCTTY       = 000000400;     //!< O_NOCTTY
113    static const int TGT_O_TRUNC        = 000001000;     //!< O_TRUNC
114    static const int TGT_O_APPEND       = 000002000;     //!< O_APPEND
115    static const int TGT_O_NONBLOCK     = 000004000;     //!< O_NONBLOCK
116    static const int TGT_O_DSYNC        = 000010000;
117    static const int TGT_FASYNC         = 000020000;
118    static const int TGT_O_DIRECT       = 000040000;     //!< O_DIRECTIO
119    static const int TGT_O_LARGEFILE    = 000100000;
120    static const int TGT_O_DIRECTORY    = 000200000;
121    static const int TGT_O_NOFOLLOW     = 000400000;
122    static const int TGT_O_NOATIME      = 001000000;
123    static const int TGT_O_CLOEXEC      = 002000000;
124    static const int TGT_O_SYNC         = 004010000;     //!< O_SYNC
125    static const int TGT_O_PATH         = 010000000;
126
127    static const int NUM_OPEN_FLAGS;
128
129    /// For mmap().
130    static SyscallFlagTransTable mmapFlagTable[];
131
132    static const unsigned TGT_MAP_SHARED        = 0x00001;
133    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
134    static const unsigned TGT_MAP_32BIT         = 0x00040;
135    static const unsigned TGT_MAP_ANON          = 0x00020;
136    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
137    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
138    static const unsigned TGT_MAP_FILE          = 0x00000;
139    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
140    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
141    static const unsigned TGT_MAP_LOCKED        = 0x02000;
142    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
143    static const unsigned TGT_MAP_NORESERVE     = 0x04000;
144    static const unsigned TGT_MAP_POPULATE      = 0x08000;
145    static const unsigned TGT_MAP_STACK         = 0x20000;
146    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
147    static const unsigned TGT_MAP_FIXED         = 0x00010;
148
149    static const unsigned NUM_MMAP_FLAGS;
150
151    typedef struct {
152        uint64_t iov_base; // void *
153        uint64_t iov_len;  // size_t
154    } tgt_iovec;
155
156    typedef struct {
157        int64_t  uptime;    /* Seconds since boot */
158        uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
159        uint64_t totalram;  /* Total usable main memory size */
160        uint64_t freeram;   /* Available memory size */
161        uint64_t sharedram; /* Amount of shared memory */
162        uint64_t bufferram; /* Memory used by buffers */
163        uint64_t totalswap; /* Total swap space size */
164        uint64_t freeswap;  /* swap space still available */
165        uint16_t procs;     /* Number of current processes */
166        uint64_t totalhigh; /* Total high memory size */
167        uint64_t freehigh;  /* Available high memory size */
168        uint64_t mem_unit;  /* Memory unit size in bytes */
169    } tgt_sysinfo;
170
171};
172
173class X86Linux32 : public Linux
174{
175  public:
176
177    typedef struct {
178        uint64_t st_dev;
179        uint8_t __pad0[4];
180        uint32_t __st_ino;
181        uint32_t st_mode;
182        uint32_t st_nlink;
183        uint32_t st_uid;
184        uint32_t st_gid;
185        uint64_t st_rdev;
186        uint8_t __pad3[4];
187        int64_t st_size;
188        uint32_t st_blksize;
189        uint64_t st_blocks;
190        uint32_t st_atimeX;
191        uint32_t st_atime_nsec;
192        uint32_t st_mtimeX;
193        uint32_t st_mtime_nsec;
194        uint32_t st_ctimeX;
195        uint32_t st_ctime_nsec;
196        uint64_t st_ino;
197    } __attribute__((__packed__)) tgt_stat64;
198
199    static const int TGT_SIGHUP         = 0x000001;
200    static const int TGT_SIGINT         = 0x000002;
201    static const int TGT_SIGQUIT        = 0x000003;
202    static const int TGT_SIGILL         = 0x000004;
203    static const int TGT_SIGTRAP        = 0x000005;
204    static const int TGT_SIGABRT        = 0x000006;
205    static const int TGT_SIGIOT         = 0x000006;
206    static const int TGT_SIGBUS         = 0x000007;
207    static const int TGT_SIGFPE         = 0x000008;
208    static const int TGT_SIGKILL        = 0x000009;
209    static const int TGT_SIGUSR1        = 0x00000a;
210    static const int TGT_SIGSEGV        = 0x00000b;
211    static const int TGT_SIGUSR2        = 0x00000c;
212    static const int TGT_SIGPIPE        = 0x00000d;
213    static const int TGT_SIGALRM        = 0x00000e;
214    static const int TGT_SIGTERM        = 0x00000f;
215    static const int TGT_SIGSTKFLT      = 0x000010;
216    static const int TGT_SIGCHLD        = 0x000011;
217    static const int TGT_SIGCONT        = 0x000012;
218    static const int TGT_SIGSTOP        = 0x000013;
219    static const int TGT_SIGTSTP        = 0x000014;
220    static const int TGT_SIGTTIN        = 0x000015;
221    static const int TGT_SIGTTOU        = 0x000016;
222    static const int TGT_SIGURG         = 0x000017;
223    static const int TGT_SIGXCPU        = 0x000018;
224    static const int TGT_SIGXFSZ        = 0x000019;
225    static const int TGT_SIGVTALRM      = 0x00001a;
226    static const int TGT_SIGPROF        = 0x00001b;
227    static const int TGT_SIGWINCH       = 0x00001c;
228    static const int TGT_SIGIO          = 0x00001d;
229    static const int TGT_SIGPOLL        = 0x00001d;
230    static const int TGT_SIGPWR         = 0x00001e;
231    static const int TGT_SIGSYS         = 0x00001f;
232    static const int TGT_SIGUNUSED      = 0x00001f;
233
234    static SyscallFlagTransTable openFlagTable[];
235
236    static const int TGT_O_RDONLY       = 000000000;     //!< O_RDONLY
237    static const int TGT_O_WRONLY       = 000000001;     //!< O_WRONLY
238    static const int TGT_O_RDWR         = 000000002;     //!< O_RDWR
239    static const int TGT_O_CREAT        = 000000100;     //!< O_CREAT
240    static const int TGT_O_EXCL         = 000000200;     //!< O_EXCL
241    static const int TGT_O_NOCTTY       = 000000400;     //!< O_NOCTTY
242    static const int TGT_O_TRUNC        = 000001000;     //!< O_TRUNC
243    static const int TGT_O_APPEND       = 000002000;     //!< O_APPEND
244    static const int TGT_O_NONBLOCK     = 000004000;     //!< O_NONBLOCK
245    static const int TGT_O_DSYNC        = 000010000;     //!< O_DSYNC
246    static const int TGT_FASYNC         = 000020000;
247    static const int TGT_O_DIRECT       = 000040000;     //!< O_DIRECTIO
248    static const int TGT_O_LARGEFILE    = 000100000;
249    static const int TGT_O_DIRECTORY    = 000200000;
250    static const int TGT_O_NOFOLLOW     = 000400000;
251    static const int TGT_O_NOATIME      = 001000000;
252    static const int TGT_O_CLOEXEC      = 002000000;
253    static const int TGT_O_SYNC         = 004010000;     //!< O_SYNC
254    static const int TGT_O_PATH         = 010000000;
255
256    static const int NUM_OPEN_FLAGS;
257
258    static SyscallFlagTransTable mmapFlagTable[];
259
260    static const unsigned TGT_MAP_SHARED        = 0x00001;
261    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
262    static const unsigned TGT_MAP_32BIT         = 0x00040;
263    static const unsigned TGT_MAP_ANON          = 0x00020;
264    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
265    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
266    static const unsigned TGT_MAP_FILE          = 0x00000;
267    static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
268    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
269    static const unsigned TGT_MAP_LOCKED        = 0x02000;
270    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
271    static const unsigned TGT_MAP_NORESERVE     = 0x04000;
272    static const unsigned TGT_MAP_POPULATE      = 0x08000;
273    static const unsigned TGT_MAP_STACK         = 0x20000;
274    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
275    static const unsigned TGT_MAP_FIXED         = 0x00010;
276
277    static const unsigned NUM_MMAP_FLAGS;
278
279    typedef struct {
280       int32_t  uptime;    /* Seconds since boot */
281       uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
282       uint32_t totalram;  /* Total usable main memory size */
283       uint32_t freeram;   /* Available memory size */
284       uint32_t sharedram; /* Amount of shared memory */
285       uint32_t bufferram; /* Memory used by buffers */
286       uint32_t totalswap; /* Total swap space size */
287       uint32_t freeswap;  /* swap space still available */
288       uint16_t procs;     /* Number of current processes */
289       uint32_t totalhigh; /* Total high memory size */
290       uint32_t freehigh;  /* Available high memory size */
291       uint32_t mem_unit;  /* Memory unit size in bytes */
292    } tgt_sysinfo;
293
294    static bool mmapGrowsDown() { return true; }
295};
296
297#endif
298