1 #include "defs.h"
2 #ifdef HAVE_SYS_VFS_H
3 # include <sys/vfs.h>
4 #endif
5 #include "xlat/fsmagic.h"
6
7 static const char *
sprintfstype(const unsigned int magic)8 sprintfstype(const unsigned int magic)
9 {
10 static char buf[32];
11 const char *s;
12
13 s = xlat_search(fsmagic, ARRAY_SIZE(fsmagic), magic);
14 if (s) {
15 sprintf(buf, "\"%s\"", s);
16 return buf;
17 }
18 sprintf(buf, "%#x", magic);
19 return buf;
20 }
21
22 static void
printstatfs(struct tcb * tcp,const long addr)23 printstatfs(struct tcb *tcp, const long addr)
24 {
25 struct statfs statbuf;
26
27 if (syserror(tcp) || !verbose(tcp)) {
28 tprintf("%#lx", addr);
29 return;
30 }
31 if (umove(tcp, addr, &statbuf) < 0) {
32 tprints("{...}");
33 return;
34 }
35 tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%lu, f_bfree=%lu, ",
36 sprintfstype(statbuf.f_type),
37 (unsigned long)statbuf.f_bsize,
38 (unsigned long)statbuf.f_blocks,
39 (unsigned long)statbuf.f_bfree);
40 tprintf("f_bavail=%lu, f_files=%lu, f_ffree=%lu, f_fsid={%d, %d}",
41 (unsigned long)statbuf.f_bavail,
42 (unsigned long)statbuf.f_files,
43 (unsigned long)statbuf.f_ffree,
44 statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
45 tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
46 #ifdef _STATFS_F_FRSIZE
47 tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
48 #endif
49 #ifdef _STATFS_F_FLAGS
50 tprintf(", f_flags=%lu", (unsigned long)statbuf.f_flags);
51 #endif
52 tprints("}");
53 }
54
SYS_FUNC(statfs)55 SYS_FUNC(statfs)
56 {
57 if (entering(tcp)) {
58 printpath(tcp, tcp->u_arg[0]);
59 tprints(", ");
60 } else {
61 printstatfs(tcp, tcp->u_arg[1]);
62 }
63 return 0;
64 }
65
SYS_FUNC(fstatfs)66 SYS_FUNC(fstatfs)
67 {
68 if (entering(tcp)) {
69 printfd(tcp, tcp->u_arg[0]);
70 tprints(", ");
71 } else {
72 printstatfs(tcp, tcp->u_arg[1]);
73 }
74 return 0;
75 }
76
77 #ifdef HAVE_STRUCT_STATFS64
78 static void
printstatfs64(struct tcb * tcp,long addr)79 printstatfs64(struct tcb *tcp, long addr)
80 {
81 struct statfs64 statbuf;
82
83 if (syserror(tcp) || !verbose(tcp)) {
84 tprintf("%#lx", addr);
85 return;
86 }
87 if (umove(tcp, addr, &statbuf) < 0) {
88 tprints("{...}");
89 return;
90 }
91 tprintf("{f_type=%s, f_bsize=%llu, f_blocks=%llu, f_bfree=%llu, ",
92 sprintfstype(statbuf.f_type),
93 (unsigned long long)statbuf.f_bsize,
94 (unsigned long long)statbuf.f_blocks,
95 (unsigned long long)statbuf.f_bfree);
96 tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
97 (unsigned long long)statbuf.f_bavail,
98 (unsigned long long)statbuf.f_files,
99 (unsigned long long)statbuf.f_ffree,
100 statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
101 tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
102 #ifdef _STATFS_F_FRSIZE
103 tprintf(", f_frsize=%llu", (unsigned long long)statbuf.f_frsize);
104 #endif
105 #ifdef _STATFS_F_FLAGS
106 tprintf(", f_flags=%llu", (unsigned long long)statbuf.f_flags);
107 #endif
108 tprints("}");
109 }
110
111 struct compat_statfs64 {
112 uint32_t f_type;
113 uint32_t f_bsize;
114 uint64_t f_blocks;
115 uint64_t f_bfree;
116 uint64_t f_bavail;
117 uint64_t f_files;
118 uint64_t f_ffree;
119 fsid_t f_fsid;
120 uint32_t f_namelen;
121 uint32_t f_frsize;
122 uint32_t f_flags;
123 uint32_t f_spare[4];
124 }
125 #if defined AARCH64 || defined X86_64 || defined X32 || defined IA64
126 ATTRIBUTE_PACKED ATTRIBUTE_ALIGNED(4)
127 #endif
128 ;
129 #if defined AARCH64 || defined ARM
130 /* See arch/arm/kernel/sys_oabi-compat.c for details. */
131 # define COMPAT_STATFS64_PADDED_SIZE (sizeof(struct compat_statfs64) + 4)
132 #endif
133
134 static void
printcompat_statfs64(struct tcb * tcp,const long addr)135 printcompat_statfs64(struct tcb *tcp, const long addr)
136 {
137 struct compat_statfs64 statbuf;
138
139 if (syserror(tcp) || !verbose(tcp)) {
140 tprintf("%#lx", addr);
141 return;
142 }
143 if (umove(tcp, addr, &statbuf) < 0) {
144 tprints("{...}");
145 return;
146 }
147 tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%llu, f_bfree=%llu, ",
148 sprintfstype(statbuf.f_type),
149 (unsigned long)statbuf.f_bsize,
150 (unsigned long long)statbuf.f_blocks,
151 (unsigned long long)statbuf.f_bfree);
152 tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
153 (unsigned long long)statbuf.f_bavail,
154 (unsigned long long)statbuf.f_files,
155 (unsigned long long)statbuf.f_ffree,
156 statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
157 tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
158 tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
159 tprintf(", f_flags=%lu}", (unsigned long)statbuf.f_frsize);
160 }
161
162 static int
do_statfs64_fstatfs64(struct tcb * tcp)163 do_statfs64_fstatfs64(struct tcb *tcp)
164 {
165 if (entering(tcp)) {
166 tprintf(", %lu, ", tcp->u_arg[1]);
167 } else {
168 if (tcp->u_arg[1] == sizeof(struct statfs64))
169 printstatfs64(tcp, tcp->u_arg[2]);
170 else if (tcp->u_arg[1] == sizeof(struct compat_statfs64)
171 #ifdef COMPAT_STATFS64_PADDED_SIZE
172 || tcp->u_arg[1] == COMPAT_STATFS64_PADDED_SIZE
173 #endif
174 )
175 printcompat_statfs64(tcp, tcp->u_arg[2]);
176 else
177 tprints("{???}");
178 }
179 return 0;
180 }
181
SYS_FUNC(statfs64)182 SYS_FUNC(statfs64)
183 {
184 if (entering(tcp))
185 printpath(tcp, tcp->u_arg[0]);
186 return do_statfs64_fstatfs64(tcp);
187 }
188
SYS_FUNC(fstatfs64)189 SYS_FUNC(fstatfs64)
190 {
191 if (entering(tcp))
192 printfd(tcp, tcp->u_arg[0]);
193 return do_statfs64_fstatfs64(tcp);
194 }
195 #endif /* HAVE_STRUCT_STATFS64 */
196
197 #ifdef ALPHA
SYS_FUNC(osf_statfs)198 SYS_FUNC(osf_statfs)
199 {
200 if (entering(tcp)) {
201 printpath(tcp, tcp->u_arg[0]);
202 tprints(", ");
203 } else {
204 printstatfs(tcp, tcp->u_arg[1]);
205 tprintf(", %lu", tcp->u_arg[2]);
206 }
207 return 0;
208 }
209
SYS_FUNC(osf_fstatfs)210 SYS_FUNC(osf_fstatfs)
211 {
212 if (entering(tcp)) {
213 tprintf("%lu, ", tcp->u_arg[0]);
214 } else {
215 printstatfs(tcp, tcp->u_arg[1]);
216 tprintf(", %lu", tcp->u_arg[2]);
217 }
218 return 0;
219 }
220 #endif /* ALPHA */
221