Cross Reference: /gem5/src/kern/linux/linux.hh

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;

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60 typedef uint32_t uid_t;
61 typedef uint32_t gid_t;
62 //@}
63
64 /// Stat buffer. Note that we can't call it 'stat' since that
65 /// gets #defined to something else on some systems. This type
66 /// can be specialized by architecture specific "Linux" classes
67 typedef struct {

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

84 } tgt_stat;
85
86 // same for stat64
87 typedef struct {

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

101 uint64_t st_atimeX;
102 uint64_t st_atime_nsec;
103 uint64_t st_mtimeX;
104 uint64_t st_mtime_nsec;
105 uint64_t st_ctimeX;
106 uint64_t st_ctime_nsec;
107 int64_t ___unused[3];

108 } tgt_stat64;
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.
117 char release[_SYS_NMLN]; //!< OS release.
118 char version[_SYS_NMLN]; //!< OS version.
119 char machine[_SYS_NMLN]; //!< Machine type.

120 };
121
122 /// Limit struct for getrlimit/setrlimit.
123 struct rlimit {

124 uint64_t rlim_cur; //!< soft limit
125 uint64_t rlim_max; //!< hard limit

126 };
127
128 /// For gettimeofday().
129 struct timeval {

130 int64_t tv_sec; //!< seconds
131 int64_t tv_usec; //!< microseconds

132 };
133
134 // For writev/readv
135 struct tgt_iovec {
136 uint64_t iov_base; // void *
137 uint64_t iov_len;
138 };
139
140
141 /// For getrusage().
142 struct rusage {

143 struct timeval ru_utime; //!< user time used
144 struct timeval ru_stime; //!< system time used
145 int64_t ru_maxrss; //!< max rss
146 int64_t ru_ixrss; //!< integral shared memory size
147 int64_t ru_idrss; //!< integral unshared data "
148 int64_t ru_isrss; //!< integral unshared stack "
149 int64_t ru_minflt; //!< page reclaims - total vmfaults
150 int64_t ru_majflt; //!< page faults
151 int64_t ru_nswap; //!< swaps
152 int64_t ru_inblock; //!< block input operations
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 "