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Add support for compat_statfs64

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* file.c (struct compat_statfs64, printcompat_statfs64): Define.
(sys_statfs64, sys_fstatfs64): Use it.
This commit is contained in:
Andreas Schwab 2012-01-17 18:14:22 +01:00
parent 000d66f175
commit 7d55801ae9
1 changed files with 52 additions and 0 deletions
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52
file.c
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@ -1794,6 +1794,54 @@ printstatfs64(struct tcb *tcp, long addr)
tprints("}");
}
struct compat_statfs64 {
uint32_t f_type;
uint32_t f_bsize;
uint64_t f_blocks;
uint64_t f_bfree;
uint64_t f_bavail;
uint64_t f_files;
uint64_t f_ffree;
fsid_t f_fsid;
uint32_t f_namelen;
uint32_t f_frsize;
uint32_t f_flags;
uint32_t f_spare[4];
}
#if defined(X86_64) || defined(IA64)
__attribute__ ((packed, aligned(4)))
#endif
;
static void
printcompat_statfs64(struct tcb *tcp, long addr)
{
struct compat_statfs64 statbuf;
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%llu, f_bfree=%llu, ",
sprintfstype(statbuf.f_type),
(unsigned long)statbuf.f_bsize,
(unsigned long long)statbuf.f_blocks,
(unsigned long long)statbuf.f_bfree);
tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
(unsigned long long)statbuf.f_bavail,
(unsigned long long)statbuf.f_files,
(unsigned long long)statbuf.f_ffree,
statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
tprintf(", f_flags=%lu", (unsigned long)statbuf.f_frsize);
tprints("}");
}
int
sys_statfs64(struct tcb *tcp)
{
@ -1803,6 +1851,8 @@ sys_statfs64(struct tcb *tcp)
} else {
if (tcp->u_arg[1] == sizeof(struct statfs64))
printstatfs64(tcp, tcp->u_arg[2]);
else if (tcp->u_arg[1] == sizeof(struct compat_statfs64))
printcompat_statfs64(tcp, tcp->u_arg[2]);
else
tprints("{???}");
}
@ -1818,6 +1868,8 @@ sys_fstatfs64(struct tcb *tcp)
} else {
if (tcp->u_arg[1] == sizeof(struct statfs64))
printstatfs64(tcp, tcp->u_arg[2]);
else if (tcp->u_arg[1] == sizeof(struct compat_statfs64))
printcompat_statfs64(tcp, tcp->u_arg[2]);
else
tprints("{???}");
}