linux.hh (2764:e6fea7527b3c) | linux.hh (3113:a6811aaea654) |
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1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 24 unchanged lines hidden (view full) --- 33#include "config/full_system.hh" 34 35#if FULL_SYSTEM 36 37class Linux {}; 38 39#else //!FULL_SYSTEM 40 | 1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 24 unchanged lines hidden (view full) --- 33#include "config/full_system.hh" 34 35#if FULL_SYSTEM 36 37class Linux {}; 38 39#else //!FULL_SYSTEM 40 |
41#include <dirent.h> 42#include <errno.h> 43#include <fcntl.h> // for host open() flags 44#include <string.h> // for memset() 45#include <sys/stat.h> 46#include <sys/types.h> 47#include <unistd.h> | 41#include <inttypes.h> |
48 | 42 |
49#include "arch/isa_traits.hh" 50#include "sim/syscall_emul.hh" | 43#include "kern/operatingsystem.hh" |
51 | 44 |
52class TranslatingPort; 53 | |
54/// 55/// This class encapsulates the types, structures, constants, 56/// functions, and syscall-number mappings specific to the Alpha Linux 57/// syscall interface. 58/// | 45/// 46/// This class encapsulates the types, structures, constants, 47/// functions, and syscall-number mappings specific to the Alpha Linux 48/// syscall interface. 49/// |
59class Linux { | 50class Linux : public OperatingSystem 51{ |
60 61 public: 62 63 //@{ 64 /// Basic Linux types. | 52 53 public: 54 55 //@{ 56 /// Basic Linux types. |
65 typedef uint64_t size_t; | 57/* typedef uint64_t size_t; |
66 typedef uint64_t off_t; 67 typedef int64_t time_t; 68 typedef uint32_t uid_t; | 58 typedef uint64_t off_t; 59 typedef int64_t time_t; 60 typedef uint32_t uid_t; |
69 typedef uint32_t gid_t; | 61 typedef uint32_t gid_t;*/ |
70 //@} 71 | 62 //@} 63 |
72#if NO_STAT64 73 typedef struct stat hst_stat; 74 typedef struct stat hst_stat64; 75#else 76 typedef struct stat hst_stat ; 77 typedef struct stat64 hst_stat64; 78#endif 79 | |
80 /// Stat buffer. Note that we can't call it 'stat' since that | 64 /// Stat buffer. Note that we can't call it 'stat' since that |
81 /// gets #defined to something else on some systems. 82 struct tgt_stat { | 65 /// gets #defined to something else on some systems. This type 66 /// can be specialized by architecture specific "Linux" classes 67 typedef struct { |
83 uint32_t st_dev; //!< device 84 uint32_t st_ino; //!< inode 85 uint32_t st_mode; //!< mode 86 uint32_t st_nlink; //!< link count 87 uint32_t st_uid; //!< owner's user ID 88 uint32_t st_gid; //!< owner's group ID 89 uint32_t st_rdev; //!< device number 90 int32_t _pad1; //!< for alignment 91 int64_t st_size; //!< file size in bytes 92 uint64_t st_atimeX; //!< time of last access 93 uint64_t st_mtimeX; //!< time of last modification 94 uint64_t st_ctimeX; //!< time of last status change 95 uint32_t st_blksize; //!< optimal I/O block size 96 int32_t st_blocks; //!< number of blocks allocated 97 uint32_t st_flags; //!< flags 98 uint32_t st_gen; //!< unknown | 68 uint32_t st_dev; //!< device 69 uint32_t st_ino; //!< inode 70 uint32_t st_mode; //!< mode 71 uint32_t st_nlink; //!< link count 72 uint32_t st_uid; //!< owner's user ID 73 uint32_t st_gid; //!< owner's group ID 74 uint32_t st_rdev; //!< device number 75 int32_t _pad1; //!< for alignment 76 int64_t st_size; //!< file size in bytes 77 uint64_t st_atimeX; //!< time of last access 78 uint64_t st_mtimeX; //!< time of last modification 79 uint64_t st_ctimeX; //!< time of last status change 80 uint32_t st_blksize; //!< optimal I/O block size 81 int32_t st_blocks; //!< number of blocks allocated 82 uint32_t st_flags; //!< flags 83 uint32_t st_gen; //!< unknown |
99 }; | 84 } tgt_stat; |
100 101 // same for stat64 | 85 86 // same for stat64 |
102 struct tgt_stat64 { | 87 typedef struct { |
103 uint64_t st_dev; 104 uint64_t st_ino; 105 uint64_t st_rdev; 106 int64_t st_size; 107 uint64_t st_blocks; 108 109 uint32_t st_mode; 110 uint32_t st_uid; 111 uint32_t st_gid; 112 uint32_t st_blksize; 113 uint32_t st_nlink; 114 uint32_t __pad0; 115 | 88 uint64_t st_dev; 89 uint64_t st_ino; 90 uint64_t st_rdev; 91 int64_t st_size; 92 uint64_t st_blocks; 93 94 uint32_t st_mode; 95 uint32_t st_uid; 96 uint32_t st_gid; 97 uint32_t st_blksize; 98 uint32_t st_nlink; 99 uint32_t __pad0; 100 |
116 uint64_t tgt_st_atime; | 101 uint64_t st_atimeX; |
117 uint64_t st_atime_nsec; | 102 uint64_t st_atime_nsec; |
118 uint64_t tgt_st_mtime; | 103 uint64_t st_mtimeX; |
119 uint64_t st_mtime_nsec; | 104 uint64_t st_mtime_nsec; |
120 uint64_t tgt_st_ctime; | 105 uint64_t st_ctimeX; |
121 uint64_t st_ctime_nsec; 122 int64_t ___unused[3]; | 106 uint64_t st_ctime_nsec; 107 int64_t ___unused[3]; |
123 }; | 108 } tgt_stat64; |
124 125 /// Length of strings in struct utsname (plus 1 for null char). 126 static const int _SYS_NMLN = 65; 127 128 /// Interface struct for uname(). 129 struct utsname { 130 char sysname[_SYS_NMLN]; //!< System name. 131 char nodename[_SYS_NMLN]; //!< Node name. --- 36 unchanged lines hidden (view full) --- 168 int64_t ru_oublock; //!< block output operations 169 int64_t ru_msgsnd; //!< messages sent 170 int64_t ru_msgrcv; //!< messages received 171 int64_t ru_nsignals; //!< signals received 172 int64_t ru_nvcsw; //!< voluntary context switches 173 int64_t ru_nivcsw; //!< involuntary " 174 }; 175 | 109 110 /// Length of strings in struct utsname (plus 1 for null char). 111 static const int _SYS_NMLN = 65; 112 113 /// Interface struct for uname(). 114 struct utsname { 115 char sysname[_SYS_NMLN]; //!< System name. 116 char nodename[_SYS_NMLN]; //!< Node name. --- 36 unchanged lines hidden (view full) --- 153 int64_t ru_oublock; //!< block output operations 154 int64_t ru_msgsnd; //!< messages sent 155 int64_t ru_msgrcv; //!< messages received 156 int64_t ru_nsignals; //!< signals received 157 int64_t ru_nvcsw; //!< voluntary context switches 158 int64_t ru_nivcsw; //!< involuntary " 159 }; 160 |
176 /// Helper function to convert a host stat buffer to a target stat 177 /// buffer. Also copies the target buffer out to the simulated 178 /// memory space. Used by stat(), fstat(), and lstat(). 179#if !NO_STAT64 180 static void 181 copyOutStatBuf(TranslatingPort *mem, Addr addr, hst_stat *host) 182 { 183 using namespace TheISA; 184 185 TypedBufferArg<Linux::tgt_stat> tgt(addr); 186 187 tgt->st_dev = htog(host->st_dev); 188 tgt->st_ino = htog(host->st_ino); 189 tgt->st_mode = htog(host->st_mode); 190 tgt->st_nlink = htog(host->st_nlink); 191 tgt->st_uid = htog(host->st_uid); 192 tgt->st_gid = htog(host->st_gid); 193 tgt->st_rdev = htog(host->st_rdev); 194 tgt->st_size = htog(host->st_size); 195 tgt->st_atimeX = htog(host->st_atime); 196 tgt->st_mtimeX = htog(host->st_mtime); 197 tgt->st_ctimeX = htog(host->st_ctime); 198 tgt->st_blksize = htog(host->st_blksize); 199 tgt->st_blocks = htog(host->st_blocks); 200 201 tgt.copyOut(mem); 202 } 203#else 204 // Third version for bsd systems which no longer have any support for 205 // the old stat() call and stat() is actually a stat64() 206 static void 207 copyOutStatBuf(TranslatingPort *mem, Addr addr, hst_stat64 *host) 208 { 209 using namespace TheISA; 210 211 TypedBufferArg<Linux::tgt_stat> tgt(addr); 212 213 tgt->st_dev = htog(host->st_dev); 214 tgt->st_ino = htog(host->st_ino); 215 tgt->st_mode = htog(host->st_mode); 216 tgt->st_nlink = htog(host->st_nlink); 217 tgt->st_uid = htog(host->st_uid); 218 tgt->st_gid = htog(host->st_gid); 219 tgt->st_rdev = htog(host->st_rdev); 220 tgt->st_size = htog(host->st_size); 221 tgt->st_atimeX = htog(host->st_atime); 222 tgt->st_mtimeX = htog(host->st_mtime); 223 tgt->st_ctimeX = htog(host->st_ctime); 224 tgt->st_blksize = htog(host->st_blksize); 225 tgt->st_blocks = htog(host->st_blocks); 226 227 tgt.copyOut(mem); 228 } 229#endif 230 231 232 // Same for stat64 233 static void 234 copyOutStat64Buf(TranslatingPort *mem, int fd, Addr addr, hst_stat64 *host) 235 { 236 using namespace TheISA; 237 238 TypedBufferArg<Linux::tgt_stat64> tgt(addr); 239 240 // fd == 1 checks are because libc does some checks 241 // that the stdout is interactive vs. a file 242 // this makes it work on non-linux systems 243 if (fd == 1) 244 tgt->st_dev = htog((uint64_t)0xA); 245 else 246 tgt->st_dev = htog((uint64_t)host->st_dev); 247 // XXX What about STAT64_HAS_BROKEN_ST_INO ??? 248 tgt->st_ino = htog((uint64_t)host->st_ino); 249 if (fd == 1) 250 tgt->st_rdev = htog((uint64_t)0x880d); 251 else 252 tgt->st_rdev = htog((uint64_t)host->st_rdev); 253 tgt->st_size = htog((int64_t)host->st_size); 254 tgt->st_blocks = htog((uint64_t)host->st_blocks); 255 256 if (fd == 1) 257 tgt->st_mode = htog((uint32_t)0x2190); 258 else 259 tgt->st_mode = htog((uint32_t)host->st_mode); 260 tgt->st_uid = htog((uint32_t)host->st_uid); 261 tgt->st_gid = htog((uint32_t)host->st_gid); 262 tgt->st_blksize = htog((uint32_t)host->st_blksize); 263 tgt->st_nlink = htog((uint32_t)host->st_nlink); 264 tgt->tgt_st_atime = htog((uint64_t)host->st_atime); 265 tgt->tgt_st_mtime = htog((uint64_t)host->st_mtime); 266 tgt->tgt_st_ctime = htog((uint64_t)host->st_ctime); 267#if defined(STAT_HAVE_NSEC) 268 tgt->st_atime_nsec = htog(host->st_atime_nsec); 269 tgt->st_mtime_nsec = htog(host->st_mtime_nsec); 270 tgt->st_ctime_nsec = htog(host->st_ctime_nsec); 271#else 272 tgt->st_atime_nsec = 0; 273 tgt->st_mtime_nsec = 0; 274 tgt->st_ctime_nsec = 0; 275#endif 276 277 tgt.copyOut(mem); 278 } 279 | |
280}; // class Linux 281 282 283#endif // FULL_SYSTEM 284 285#endif // __LINUX_HH__ | 161}; // class Linux 162 163 164#endif // FULL_SYSTEM 165 166#endif // __LINUX_HH__ |