/* * Copyright (c) 1991, 1992 Paul Kranenburg * Copyright (c) 1993 Branko Lankester * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey * Copyright (c) 1996-1999 Wichert Akkerman * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "defs.h" #include #include #if defined(SPARC) || defined(SPARC64) struct stat { unsigned short st_dev; unsigned int st_ino; unsigned short st_mode; short st_nlink; unsigned short st_uid; unsigned short st_gid; unsigned short st_rdev; unsigned int st_size; int st_atime; unsigned int __unused1; int st_mtime; unsigned int __unused2; int st_ctime; unsigned int __unused3; int st_blksize; int st_blocks; unsigned int __unused4[2]; }; # if defined(SPARC64) struct stat_sparc64 { unsigned int st_dev; unsigned long st_ino; unsigned int st_mode; unsigned int st_nlink; unsigned int st_uid; unsigned int st_gid; unsigned int st_rdev; long st_size; long st_atime; long st_mtime; long st_ctime; long st_blksize; long st_blocks; unsigned long __unused4[2]; }; # endif /* SPARC64 */ # define stat kernel_stat # include # undef stat #elif defined(X32) struct stat { unsigned long long st_dev; unsigned long long st_ino; unsigned long long st_nlink; unsigned int st_mode; unsigned int st_uid; unsigned int st_gid; unsigned int __pad0; unsigned long long st_rdev; long long st_size; long long st_blksize; long long st_blocks; unsigned long long st_atime; unsigned long long st_atime_nsec; unsigned long long st_mtime; unsigned long long st_mtime_nsec; unsigned long long st_ctime; unsigned long long st_ctime_nsec; long long __unused[3]; }; struct stat64 { unsigned long long st_dev; unsigned char __pad0[4]; unsigned long __st_ino; unsigned int st_mode; unsigned int st_nlink; unsigned long st_uid; unsigned long st_gid; unsigned long long st_rdev; unsigned char __pad3[4]; long long st_size; unsigned long st_blksize; unsigned long long st_blocks; unsigned long st_atime; unsigned long st_atime_nsec; unsigned long st_mtime; unsigned int st_mtime_nsec; unsigned long st_ctime; unsigned long st_ctime_nsec; unsigned long long st_ino; } __attribute__((packed)); # define HAVE_STAT64 1 struct __old_kernel_stat { unsigned short st_dev; unsigned short st_ino; unsigned short st_mode; unsigned short st_nlink; unsigned short st_uid; unsigned short st_gid; unsigned short st_rdev; unsigned int st_size; unsigned int st_atime; unsigned int st_mtime; unsigned int st_ctime; }; #else # undef dev_t # undef ino_t # undef mode_t # undef nlink_t # undef uid_t # undef gid_t # undef off_t # undef loff_t # define dev_t __kernel_dev_t # define ino_t __kernel_ino_t # define mode_t __kernel_mode_t # define nlink_t __kernel_nlink_t # define uid_t __kernel_uid_t # define gid_t __kernel_gid_t # define off_t __kernel_off_t # define loff_t __kernel_loff_t # include # undef dev_t # undef ino_t # undef mode_t # undef nlink_t # undef uid_t # undef gid_t # undef off_t # undef loff_t # define dev_t dev_t # define ino_t ino_t # define mode_t mode_t # define nlink_t nlink_t # define uid_t uid_t # define gid_t gid_t # define off_t off_t # define loff_t loff_t #endif #define stat libc_stat #define stat64 libc_stat64 #include #undef stat #undef stat64 /* These might be macros. */ #undef st_atime #undef st_mtime #undef st_ctime #include #ifdef HAVE_SYS_VFS_H # include #endif #ifdef HAVE_LINUX_XATTR_H # include #else # define XATTR_CREATE 1 # define XATTR_REPLACE 2 #endif #ifdef MAJOR_IN_SYSMACROS # include #endif #ifdef MAJOR_IN_MKDEV # include #endif #ifdef HAVE_SYS_ASYNCH_H # include #endif struct kernel_dirent { unsigned long d_ino; unsigned long d_off; unsigned short d_reclen; char d_name[1]; }; const struct xlat open_access_modes[] = { XLAT(O_RDONLY), XLAT(O_WRONLY), XLAT(O_RDWR), #ifdef O_ACCMODE XLAT(O_ACCMODE), #endif XLAT_END }; const struct xlat open_mode_flags[] = { XLAT(O_CREAT), XLAT(O_EXCL), XLAT(O_NOCTTY), XLAT(O_TRUNC), XLAT(O_APPEND), XLAT(O_NONBLOCK), #ifdef O_SYNC XLAT(O_SYNC), #endif #ifdef O_ASYNC XLAT(O_ASYNC), #endif #ifdef O_DSYNC XLAT(O_DSYNC), #endif #ifdef O_RSYNC XLAT(O_RSYNC), #endif #if defined(O_NDELAY) && (O_NDELAY != O_NONBLOCK) XLAT(O_NDELAY), #endif #ifdef O_PRIV XLAT(O_PRIV), #endif #ifdef O_DIRECT XLAT(O_DIRECT), #endif #ifdef O_LARGEFILE # if O_LARGEFILE == 0 /* biarch platforms in 64-bit mode */ # undef O_LARGEFILE # ifdef SPARC64 # define O_LARGEFILE 0x40000 # elif defined X86_64 || defined S390X # define O_LARGEFILE 0100000 # endif # endif # ifdef O_LARGEFILE XLAT(O_LARGEFILE), # endif #endif #ifdef O_DIRECTORY XLAT(O_DIRECTORY), #endif #ifdef O_NOFOLLOW XLAT(O_NOFOLLOW), #endif #ifdef O_NOATIME XLAT(O_NOATIME), #endif #ifdef O_CLOEXEC XLAT(O_CLOEXEC), #endif #ifdef O_PATH XLAT(O_PATH), #endif #ifdef FNDELAY XLAT(FNDELAY), #endif #ifdef FAPPEND XLAT(FAPPEND), #endif #ifdef FMARK XLAT(FMARK), #endif #ifdef FDEFER XLAT(FDEFER), #endif #ifdef FASYNC XLAT(FASYNC), #endif #ifdef FSHLOCK XLAT(FSHLOCK), #endif #ifdef FEXLOCK XLAT(FEXLOCK), #endif #ifdef FCREAT XLAT(FCREAT), #endif #ifdef FTRUNC XLAT(FTRUNC), #endif #ifdef FEXCL XLAT(FEXCL), #endif #ifdef FNBIO XLAT(FNBIO), #endif #ifdef FSYNC XLAT(FSYNC), #endif #ifdef FNOCTTY XLAT(FNOCTTY), #endif #ifdef O_SHLOCK XLAT(O_SHLOCK), #endif #ifdef O_EXLOCK XLAT(O_EXLOCK), #endif XLAT_END }; #ifndef AT_FDCWD # define AT_FDCWD -100 #endif /* The fd is an "int", so when decoding x86 on x86_64, we need to force sign * extension to get the right value. We do this by declaring fd as int here. */ void print_dirfd(struct tcb *tcp, int fd) { if (fd == AT_FDCWD) tprints("AT_FDCWD, "); else { printfd(tcp, fd); tprints(", "); } } /* * low bits of the open(2) flags define access mode, * other bits are real flags. */ const char * sprint_open_modes(mode_t flags) { static char outstr[(1 + ARRAY_SIZE(open_mode_flags)) * sizeof("O_LARGEFILE")]; char *p; char sep; const char *str; const struct xlat *x; sep = ' '; p = stpcpy(outstr, "flags"); str = xlookup(open_access_modes, flags & 3); if (str) { *p++ = sep; p = stpcpy(p, str); flags &= ~3; if (!flags) return outstr; sep = '|'; } for (x = open_mode_flags; x->str; x++) { if ((flags & x->val) == x->val) { *p++ = sep; p = stpcpy(p, x->str); flags &= ~x->val; if (!flags) return outstr; sep = '|'; } } /* flags is still nonzero */ *p++ = sep; sprintf(p, "%#x", flags); return outstr; } void tprint_open_modes(mode_t flags) { tprints(sprint_open_modes(flags) + sizeof("flags")); } static int decode_open(struct tcb *tcp, int offset) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[offset]); tprints(", "); /* flags */ tprint_open_modes(tcp->u_arg[offset + 1]); if (tcp->u_arg[offset + 1] & O_CREAT) { /* mode */ tprintf(", %#lo", tcp->u_arg[offset + 2]); } } return 0; } int sys_open(struct tcb *tcp) { return decode_open(tcp, 0); } int sys_openat(struct tcb *tcp) { if (entering(tcp)) print_dirfd(tcp, tcp->u_arg[0]); return decode_open(tcp, 1); } #if defined(SPARC) || defined(SPARC64) static const struct xlat openmodessol[] = { { 0, "O_RDWR" }, { 1, "O_RDONLY" }, { 2, "O_WRONLY" }, { 0x80, "O_NONBLOCK" }, { 8, "O_APPEND" }, { 0x100, "O_CREAT" }, { 0x200, "O_TRUNC" }, { 0x400, "O_EXCL" }, { 0x800, "O_NOCTTY" }, { 0x10, "O_SYNC" }, { 0x40, "O_DSYNC" }, { 0x8000, "O_RSYNC" }, { 4, "O_NDELAY" }, { 0x1000, "O_PRIV" }, XLAT_END }; int solaris_open(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); /* flags */ printflags(openmodessol, tcp->u_arg[1] + 1, "O_???"); if (tcp->u_arg[1] & 0x100) { /* mode */ tprintf(", %#lo", tcp->u_arg[2]); } } return 0; } #endif int sys_creat(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprintf(", %#lo", tcp->u_arg[1]); } return 0; } static const struct xlat access_flags[] = { XLAT(F_OK), XLAT(R_OK), XLAT(W_OK), XLAT(X_OK), #ifdef EFF_ONLY_OK XLAT(EFF_ONLY_OK), #endif #ifdef EX_OK XLAT(EX_OK), #endif XLAT_END }; static int decode_access(struct tcb *tcp, int offset) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[offset]); tprints(", "); printflags(access_flags, tcp->u_arg[offset + 1], "?_OK"); } return 0; } int sys_access(struct tcb *tcp) { return decode_access(tcp, 0); } int sys_faccessat(struct tcb *tcp) { if (entering(tcp)) print_dirfd(tcp, tcp->u_arg[0]); return decode_access(tcp, 1); } int sys_umask(struct tcb *tcp) { if (entering(tcp)) { tprintf("%#lo", tcp->u_arg[0]); } return RVAL_OCTAL; } const struct xlat whence_codes[] = { XLAT(SEEK_SET), XLAT(SEEK_CUR), XLAT(SEEK_END), #ifdef SEEK_DATA XLAT(SEEK_DATA), #endif #ifdef SEEK_HOLE XLAT(SEEK_HOLE), #endif XLAT_END }; /* Linux kernel has exactly one version of lseek: * fs/read_write.c::SYSCALL_DEFINE3(lseek, unsigned, fd, off_t, offset, unsigned, origin) * In kernel, off_t is always the same as (kernel's) long * (see include/uapi/asm-generic/posix_types.h), * which means that on x32 we need to use tcp->ext_arg[N] to get offset argument. * Use test/x32_lseek.c to test lseek decoding. */ #if defined(LINUX_MIPSN32) || defined(X32) int sys_lseek(struct tcb *tcp) { long long offset; int whence; if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); offset = tcp->ext_arg[1]; whence = tcp->u_arg[2]; if (whence == SEEK_SET) tprintf(", %llu, ", offset); else tprintf(", %lld, ", offset); printxval(whence_codes, whence, "SEEK_???"); } return RVAL_LUDECIMAL; } #else int sys_lseek(struct tcb *tcp) { long offset; int whence; if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); offset = tcp->u_arg[1]; whence = tcp->u_arg[2]; if (whence == SEEK_SET) tprintf(", %lu, ", offset); else tprintf(", %ld, ", offset); printxval(whence_codes, whence, "SEEK_???"); } return RVAL_UDECIMAL; } #endif /* llseek syscall takes explicitly two ulong arguments hi, lo, * rather than one 64-bit argument for which LONG_LONG works * appropriate for the native byte order. * * See kernel's fs/read_write.c::SYSCALL_DEFINE5(llseek, ...) * * hi,lo are "unsigned longs" and combined exactly this way in kernel: * ((loff_t) hi << 32) | lo * Note that for architectures with kernel's long wider than userspace long * (such as x32), combining code will use *kernel's*, i.e. *wide* longs * for hi and lo. We would need to use tcp->ext_arg[N] on x32... * ...however, x32 (and x86_64) does not _have_ llseek syscall as such. */ int sys_llseek(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); if (tcp->u_arg[4] == SEEK_SET) tprintf(", %llu, ", ((long long) tcp->u_arg[1]) << 32 | (unsigned long long) (unsigned) tcp->u_arg[2]); else tprintf(", %lld, ", ((long long) tcp->u_arg[1]) << 32 | (unsigned long long) (unsigned) tcp->u_arg[2]); } else { long long off; if (syserror(tcp) || umove(tcp, tcp->u_arg[3], &off) < 0) tprintf("%#lx, ", tcp->u_arg[3]); else tprintf("[%llu], ", off); printxval(whence_codes, tcp->u_arg[4], "SEEK_???"); } return 0; } int sys_readahead(struct tcb *tcp) { if (entering(tcp)) { int argn; printfd(tcp, tcp->u_arg[0]); argn = printllval_aligned(tcp, ", %lld", 1); tprintf(", %ld", tcp->u_arg[argn]); } return 0; } int sys_truncate(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprintf(", %lu", tcp->u_arg[1]); } return 0; } int sys_truncate64(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); printllval_aligned(tcp, ", %llu", 1); } return 0; } int sys_ftruncate(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprintf(", %lu", tcp->u_arg[1]); } return 0; } int sys_ftruncate64(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); printllval_aligned(tcp, ", %llu", 1); } return 0; } /* several stats */ static const struct xlat modetypes[] = { XLAT(S_IFREG), XLAT(S_IFSOCK), XLAT(S_IFIFO), XLAT(S_IFLNK), XLAT(S_IFDIR), XLAT(S_IFBLK), XLAT(S_IFCHR), XLAT_END }; static const char * sprintmode(int mode) { static char buf[sizeof("S_IFSOCK|S_ISUID|S_ISGID|S_ISVTX|%o") + sizeof(int)*3 + /*paranoia:*/ 8]; const char *s; if ((mode & S_IFMT) == 0) s = ""; else if ((s = xlookup(modetypes, mode & S_IFMT)) == NULL) { sprintf(buf, "%#o", mode); return buf; } s = buf + sprintf(buf, "%s%s%s%s", s, (mode & S_ISUID) ? "|S_ISUID" : "", (mode & S_ISGID) ? "|S_ISGID" : "", (mode & S_ISVTX) ? "|S_ISVTX" : ""); mode &= ~(S_IFMT|S_ISUID|S_ISGID|S_ISVTX); if (mode) sprintf((char*)s, "|%#o", mode); s = (*buf == '|') ? buf + 1 : buf; return *s ? s : "0"; } static char * sprinttime(time_t t) { struct tm *tmp; static char buf[sizeof("yyyy/mm/dd-hh:mm:ss")]; if (t == 0) { strcpy(buf, "0"); return buf; } tmp = localtime(&t); if (tmp) snprintf(buf, sizeof buf, "%02d/%02d/%02d-%02d:%02d:%02d", tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday, tmp->tm_hour, tmp->tm_min, tmp->tm_sec); else snprintf(buf, sizeof buf, "%lu", (unsigned long) t); return buf; } #if defined(SPARC) || defined(SPARC64) typedef struct { int tv_sec; int tv_nsec; } timestruct_t; struct solstat { unsigned st_dev; int st_pad1[3]; /* network id */ unsigned st_ino; unsigned st_mode; unsigned st_nlink; unsigned st_uid; unsigned st_gid; unsigned st_rdev; int st_pad2[2]; int st_size; int st_pad3; /* st_size, off_t expansion */ timestruct_t st_atime; timestruct_t st_mtime; timestruct_t st_ctime; int st_blksize; int st_blocks; char st_fstype[16]; int st_pad4[8]; /* expansion area */ }; static void printstatsol(struct tcb *tcp, long addr) { struct solstat statbuf; if (umove(tcp, addr, &statbuf) < 0) { tprints("{...}"); return; } if (!abbrev(tcp)) { tprintf("{st_dev=makedev(%lu, %lu), st_ino=%lu, st_mode=%s, ", (unsigned long) ((statbuf.st_dev >> 18) & 0x3fff), (unsigned long) (statbuf.st_dev & 0x3ffff), (unsigned long) statbuf.st_ino, sprintmode(statbuf.st_mode)); tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ", (unsigned long) statbuf.st_nlink, (unsigned long) statbuf.st_uid, (unsigned long) statbuf.st_gid); tprintf("st_blksize=%lu, ", (unsigned long) statbuf.st_blksize); tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks); } else tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode)); switch (statbuf.st_mode & S_IFMT) { case S_IFCHR: case S_IFBLK: tprintf("st_rdev=makedev(%lu, %lu), ", (unsigned long) ((statbuf.st_rdev >> 18) & 0x3fff), (unsigned long) (statbuf.st_rdev & 0x3ffff)); break; default: tprintf("st_size=%u, ", statbuf.st_size); break; } if (!abbrev(tcp)) { tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime.tv_sec)); tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime.tv_sec)); tprintf("st_ctime=%s}", sprinttime(statbuf.st_ctime.tv_sec)); } else tprints("...}"); } # if defined(SPARC64) static void printstat_sparc64(struct tcb *tcp, long addr) { struct stat_sparc64 statbuf; if (umove(tcp, addr, &statbuf) < 0) { tprints("{...}"); return; } if (!abbrev(tcp)) { tprintf("{st_dev=makedev(%lu, %lu), st_ino=%lu, st_mode=%s, ", (unsigned long) major(statbuf.st_dev), (unsigned long) minor(statbuf.st_dev), (unsigned long) statbuf.st_ino, sprintmode(statbuf.st_mode)); tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ", (unsigned long) statbuf.st_nlink, (unsigned long) statbuf.st_uid, (unsigned long) statbuf.st_gid); tprintf("st_blksize=%lu, ", (unsigned long) statbuf.st_blksize); tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks); } else tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode)); switch (statbuf.st_mode & S_IFMT) { case S_IFCHR: case S_IFBLK: tprintf("st_rdev=makedev(%lu, %lu), ", (unsigned long) major(statbuf.st_rdev), (unsigned long) minor(statbuf.st_rdev)); break; default: tprintf("st_size=%lu, ", statbuf.st_size); break; } if (!abbrev(tcp)) { tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime)); tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime)); tprintf("st_ctime=%s}", sprinttime(statbuf.st_ctime)); } else tprints("...}"); } # endif /* SPARC64 */ #endif /* SPARC[64] */ #if defined POWERPC64 struct stat_powerpc32 { unsigned int st_dev; unsigned int st_ino; unsigned int st_mode; unsigned short st_nlink; unsigned int st_uid; unsigned int st_gid; unsigned int st_rdev; unsigned int st_size; unsigned int st_blksize; unsigned int st_blocks; unsigned int st_atime; unsigned int st_atime_nsec; unsigned int st_mtime; unsigned int st_mtime_nsec; unsigned int st_ctime; unsigned int st_ctime_nsec; unsigned int __unused4; unsigned int __unused5; }; static void printstat_powerpc32(struct tcb *tcp, long addr) { struct stat_powerpc32 statbuf; if (umove(tcp, addr, &statbuf) < 0) { tprints("{...}"); return; } if (!abbrev(tcp)) { tprintf("{st_dev=makedev(%u, %u), st_ino=%u, st_mode=%s, ", major(statbuf.st_dev), minor(statbuf.st_dev), statbuf.st_ino, sprintmode(statbuf.st_mode)); tprintf("st_nlink=%u, st_uid=%u, st_gid=%u, ", statbuf.st_nlink, statbuf.st_uid, statbuf.st_gid); tprintf("st_blksize=%u, ", statbuf.st_blksize); tprintf("st_blocks=%u, ", statbuf.st_blocks); } else tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode)); switch (statbuf.st_mode & S_IFMT) { case S_IFCHR: case S_IFBLK: tprintf("st_rdev=makedev(%lu, %lu), ", (unsigned long) major(statbuf.st_rdev), (unsigned long) minor(statbuf.st_rdev)); break; default: tprintf("st_size=%u, ", statbuf.st_size); break; } if (!abbrev(tcp)) { tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime)); tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime)); tprintf("st_ctime=%s}", sprinttime(statbuf.st_ctime)); } else tprints("...}"); } #endif /* POWERPC64 */ static const struct xlat fileflags[] = { XLAT_END }; static void realprintstat(struct tcb *tcp, struct stat *statbuf) { if (!abbrev(tcp)) { tprintf("{st_dev=makedev(%lu, %lu), st_ino=%lu, st_mode=%s, ", (unsigned long) major(statbuf->st_dev), (unsigned long) minor(statbuf->st_dev), (unsigned long) statbuf->st_ino, sprintmode(statbuf->st_mode)); tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ", (unsigned long) statbuf->st_nlink, (unsigned long) statbuf->st_uid, (unsigned long) statbuf->st_gid); #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE tprintf("st_blksize=%lu, ", (unsigned long) statbuf->st_blksize); #endif #ifdef HAVE_STRUCT_STAT_ST_BLOCKS tprintf("st_blocks=%lu, ", (unsigned long) statbuf->st_blocks); #endif } else tprintf("{st_mode=%s, ", sprintmode(statbuf->st_mode)); switch (statbuf->st_mode & S_IFMT) { case S_IFCHR: case S_IFBLK: #ifdef HAVE_STRUCT_STAT_ST_RDEV tprintf("st_rdev=makedev(%lu, %lu), ", (unsigned long) major(statbuf->st_rdev), (unsigned long) minor(statbuf->st_rdev)); #else /* !HAVE_STRUCT_STAT_ST_RDEV */ tprintf("st_size=makedev(%lu, %lu), ", (unsigned long) major(statbuf->st_size), (unsigned long) minor(statbuf->st_size)); #endif /* !HAVE_STRUCT_STAT_ST_RDEV */ break; default: tprintf("st_size=%lu, ", (unsigned long) statbuf->st_size); break; } if (!abbrev(tcp)) { tprintf("st_atime=%s, ", sprinttime(statbuf->st_atime)); tprintf("st_mtime=%s, ", sprinttime(statbuf->st_mtime)); tprintf("st_ctime=%s", sprinttime(statbuf->st_ctime)); #if HAVE_STRUCT_STAT_ST_FLAGS tprints(", st_flags="); printflags(fileflags, statbuf->st_flags, "UF_???"); #endif #if HAVE_STRUCT_STAT_ST_ACLCNT tprintf(", st_aclcnt=%d", statbuf->st_aclcnt); #endif #if HAVE_STRUCT_STAT_ST_LEVEL tprintf(", st_level=%ld", statbuf->st_level); #endif #if HAVE_STRUCT_STAT_ST_FSTYPE tprintf(", st_fstype=%.*s", (int) sizeof statbuf->st_fstype, statbuf->st_fstype); #endif #if HAVE_STRUCT_STAT_ST_GEN tprintf(", st_gen=%u", statbuf->st_gen); #endif tprints("}"); } else tprints("...}"); } #ifndef X32 static void printstat(struct tcb *tcp, long addr) { struct stat statbuf; if (!addr) { tprints("NULL"); return; } if (syserror(tcp) || !verbose(tcp)) { tprintf("%#lx", addr); return; } #if defined(SPARC) || defined(SPARC64) if (current_personality == 1) { printstatsol(tcp, addr); return; } #ifdef SPARC64 else if (current_personality == 2) { printstat_sparc64(tcp, addr); return; } #endif #endif /* SPARC[64] */ #if defined POWERPC64 if (current_personality == 1) { printstat_powerpc32(tcp, addr); return; } #endif if (umove(tcp, addr, &statbuf) < 0) { tprints("{...}"); return; } realprintstat(tcp, &statbuf); } #else /* X32 */ # define printstat printstat64 #endif #if !defined HAVE_STAT64 && (defined AARCH64 || defined X86_64) /* * Linux x86_64 has unified `struct stat' but its i386 biarch needs * `struct stat64'. Its definition expects 32-bit `long'. * is not in the public includes set. * __GNUC__ is needed for the required __attribute__ below. * * Similarly, aarch64 has a unified `struct stat' but its arm personality * needs `struct stat64' (which also expects a 32-bit `long' but which * shouldn't be packed). */ struct stat64 { unsigned long long st_dev; unsigned char __pad0[4]; unsigned int __st_ino; unsigned int st_mode; unsigned int st_nlink; unsigned int st_uid; unsigned int st_gid; unsigned long long st_rdev; unsigned char __pad3[4]; long long st_size; unsigned int st_blksize; unsigned long long st_blocks; unsigned int st_atime; unsigned int st_atime_nsec; unsigned int st_mtime; unsigned int st_mtime_nsec; unsigned int st_ctime; unsigned int st_ctime_nsec; unsigned long long st_ino; } # if defined X86_64 __attribute__((packed)) # define STAT64_SIZE 96 #else # define STAT64_SIZE 104 # endif ; # define HAVE_STAT64 1 #endif #ifdef HAVE_STAT64 static void printstat64(struct tcb *tcp, long addr) { #ifdef X32 struct stat statbuf; #else struct stat64 statbuf; #endif #ifdef STAT64_SIZE (void) sizeof(char[sizeof statbuf == STAT64_SIZE ? 1 : -1]); #endif if (!addr) { tprints("NULL"); return; } if (syserror(tcp) || !verbose(tcp)) { tprintf("%#lx", addr); return; } #if defined(SPARC) || defined(SPARC64) if (current_personality == 1) { printstatsol(tcp, addr); return; } # ifdef SPARC64 else if (current_personality == 2) { printstat_sparc64(tcp, addr); return; } # endif #endif /* SPARC[64] */ #if defined AARCH64 if (current_personality != 0) { printstat(tcp, addr); return; } #endif #if defined X86_64 if (current_personality != 1) { printstat(tcp, addr); return; } #endif if (umove(tcp, addr, &statbuf) < 0) { tprints("{...}"); return; } if (!abbrev(tcp)) { tprintf("{st_dev=makedev(%lu, %lu), st_ino=%llu, st_mode=%s, ", (unsigned long) major(statbuf.st_dev), (unsigned long) minor(statbuf.st_dev), (unsigned long long) statbuf.st_ino, sprintmode(statbuf.st_mode)); tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ", (unsigned long) statbuf.st_nlink, (unsigned long) statbuf.st_uid, (unsigned long) statbuf.st_gid); #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE tprintf("st_blksize=%lu, ", (unsigned long) statbuf.st_blksize); #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ #ifdef HAVE_STRUCT_STAT_ST_BLOCKS tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks); #endif /* HAVE_STRUCT_STAT_ST_BLOCKS */ } else tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode)); switch (statbuf.st_mode & S_IFMT) { case S_IFCHR: case S_IFBLK: #ifdef HAVE_STRUCT_STAT_ST_RDEV tprintf("st_rdev=makedev(%lu, %lu), ", (unsigned long) major(statbuf.st_rdev), (unsigned long) minor(statbuf.st_rdev)); #else /* !HAVE_STRUCT_STAT_ST_RDEV */ tprintf("st_size=makedev(%lu, %lu), ", (unsigned long) major(statbuf.st_size), (unsigned long) minor(statbuf.st_size)); #endif /* !HAVE_STRUCT_STAT_ST_RDEV */ break; default: tprintf("st_size=%llu, ", (unsigned long long) statbuf.st_size); break; } if (!abbrev(tcp)) { tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime)); tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime)); tprintf("st_ctime=%s", sprinttime(statbuf.st_ctime)); #if HAVE_STRUCT_STAT_ST_FLAGS tprints(", st_flags="); printflags(fileflags, statbuf.st_flags, "UF_???"); #endif #if HAVE_STRUCT_STAT_ST_ACLCNT tprintf(", st_aclcnt=%d", statbuf.st_aclcnt); #endif #if HAVE_STRUCT_STAT_ST_LEVEL tprintf(", st_level=%ld", statbuf.st_level); #endif #if HAVE_STRUCT_STAT_ST_FSTYPE tprintf(", st_fstype=%.*s", (int) sizeof statbuf.st_fstype, statbuf.st_fstype); #endif #if HAVE_STRUCT_STAT_ST_GEN tprintf(", st_gen=%u", statbuf.st_gen); #endif tprints("}"); } else tprints("...}"); } #endif /* HAVE_STAT64 */ #if defined(HAVE_STRUCT___OLD_KERNEL_STAT) static void convertoldstat(const struct __old_kernel_stat *oldbuf, struct stat *newbuf) { newbuf->st_dev = oldbuf->st_dev; newbuf->st_ino = oldbuf->st_ino; newbuf->st_mode = oldbuf->st_mode; newbuf->st_nlink = oldbuf->st_nlink; newbuf->st_uid = oldbuf->st_uid; newbuf->st_gid = oldbuf->st_gid; newbuf->st_rdev = oldbuf->st_rdev; newbuf->st_size = oldbuf->st_size; newbuf->st_atime = oldbuf->st_atime; newbuf->st_mtime = oldbuf->st_mtime; newbuf->st_ctime = oldbuf->st_ctime; newbuf->st_blksize = 0; /* not supported in old_stat */ newbuf->st_blocks = 0; /* not supported in old_stat */ } static void printoldstat(struct tcb *tcp, long addr) { struct __old_kernel_stat statbuf; struct stat newstatbuf; if (!addr) { tprints("NULL"); return; } if (syserror(tcp) || !verbose(tcp)) { tprintf("%#lx", addr); return; } # if defined(SPARC) || defined(SPARC64) if (current_personality == 1) { printstatsol(tcp, addr); return; } # endif if (umove(tcp, addr, &statbuf) < 0) { tprints("{...}"); return; } convertoldstat(&statbuf, &newstatbuf); realprintstat(tcp, &newstatbuf); } #endif int sys_stat(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); } else { printstat(tcp, tcp->u_arg[1]); } return 0; } #ifdef X32 static void printstat64_x32(struct tcb *tcp, long addr) { struct stat64 statbuf; if (!addr) { tprints("NULL"); return; } if (syserror(tcp) || !verbose(tcp)) { tprintf("%#lx", addr); return; } if (umove(tcp, addr, &statbuf) < 0) { tprints("{...}"); return; } if (!abbrev(tcp)) { tprintf("{st_dev=makedev(%lu, %lu), st_ino=%llu, st_mode=%s, ", (unsigned long) major(statbuf.st_dev), (unsigned long) minor(statbuf.st_dev), (unsigned long long) statbuf.st_ino, sprintmode(statbuf.st_mode)); tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ", (unsigned long) statbuf.st_nlink, (unsigned long) statbuf.st_uid, (unsigned long) statbuf.st_gid); tprintf("st_blksize=%lu, ", (unsigned long) statbuf.st_blksize); tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks); } else tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode)); switch (statbuf.st_mode & S_IFMT) { case S_IFCHR: case S_IFBLK: tprintf("st_rdev=makedev(%lu, %lu), ", (unsigned long) major(statbuf.st_rdev), (unsigned long) minor(statbuf.st_rdev)); break; default: tprintf("st_size=%llu, ", (unsigned long long) statbuf.st_size); break; } if (!abbrev(tcp)) { tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime)); tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime)); tprintf("st_ctime=%s", sprinttime(statbuf.st_ctime)); tprints("}"); } else tprints("...}"); } #endif /* X32 */ int sys_stat64(struct tcb *tcp) { #ifdef HAVE_STAT64 if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); } else { # ifdef X32 printstat64_x32(tcp, tcp->u_arg[1]); # else printstat64(tcp, tcp->u_arg[1]); # endif } return 0; #else return printargs(tcp); #endif } #ifndef AT_SYMLINK_NOFOLLOW # define AT_SYMLINK_NOFOLLOW 0x100 #endif #ifndef AT_REMOVEDIR # define AT_REMOVEDIR 0x200 #endif #ifndef AT_SYMLINK_FOLLOW # define AT_SYMLINK_FOLLOW 0x400 #endif #ifndef AT_NO_AUTOMOUNT # define AT_NO_AUTOMOUNT 0x800 #endif #ifndef AT_EMPTY_PATH # define AT_EMPTY_PATH 0x1000 #endif static const struct xlat at_flags[] = { XLAT(AT_SYMLINK_NOFOLLOW), XLAT(AT_REMOVEDIR), XLAT(AT_SYMLINK_FOLLOW), XLAT(AT_NO_AUTOMOUNT), XLAT(AT_EMPTY_PATH), XLAT_END }; int sys_newfstatat(struct tcb *tcp) { if (entering(tcp)) { print_dirfd(tcp, tcp->u_arg[0]); printpath(tcp, tcp->u_arg[1]); tprints(", "); } else { #ifdef POWERPC64 if (current_personality == 0) printstat(tcp, tcp->u_arg[2]); else printstat64(tcp, tcp->u_arg[2]); #elif defined HAVE_STAT64 printstat64(tcp, tcp->u_arg[2]); #else printstat(tcp, tcp->u_arg[2]); #endif tprints(", "); printflags(at_flags, tcp->u_arg[3], "AT_???"); } return 0; } #if defined(HAVE_STRUCT___OLD_KERNEL_STAT) int sys_oldstat(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); } else { printoldstat(tcp, tcp->u_arg[1]); } return 0; } #endif int sys_fstat(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); } else { printstat(tcp, tcp->u_arg[1]); } return 0; } int sys_fstat64(struct tcb *tcp) { #ifdef HAVE_STAT64 if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); } else { # ifdef X32 printstat64_x32(tcp, tcp->u_arg[1]); # else printstat64(tcp, tcp->u_arg[1]); # endif } return 0; #else return printargs(tcp); #endif } #if defined(HAVE_STRUCT___OLD_KERNEL_STAT) int sys_oldfstat(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); } else { printoldstat(tcp, tcp->u_arg[1]); } return 0; } #endif #if defined(SPARC) || defined(SPARC64) int sys_xstat(struct tcb *tcp) { if (entering(tcp)) { tprintf("%ld, ", tcp->u_arg[0]); printpath(tcp, tcp->u_arg[1]); tprints(", "); } else { # ifdef _STAT64_VER if (tcp->u_arg[0] == _STAT64_VER) printstat64(tcp, tcp->u_arg[2]); else # endif printstat(tcp, tcp->u_arg[2]); } return 0; } int sys_fxstat(struct tcb *tcp) { if (entering(tcp)) tprintf("%ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1]); else { # ifdef _STAT64_VER if (tcp->u_arg[0] == _STAT64_VER) printstat64(tcp, tcp->u_arg[2]); else # endif printstat(tcp, tcp->u_arg[2]); } return 0; } int sys_lxstat(struct tcb *tcp) { if (entering(tcp)) { tprintf("%ld, ", tcp->u_arg[0]); printpath(tcp, tcp->u_arg[1]); tprints(", "); } else { # ifdef _STAT64_VER if (tcp->u_arg[0] == _STAT64_VER) printstat64(tcp, tcp->u_arg[2]); else # endif printstat(tcp, tcp->u_arg[2]); } return 0; } int sys_xmknod(struct tcb *tcp) { int mode = tcp->u_arg[2]; if (entering(tcp)) { tprintf("%ld, ", tcp->u_arg[0]); printpath(tcp, tcp->u_arg[1]); tprintf(", %s", sprintmode(mode)); switch (mode & S_IFMT) { case S_IFCHR: case S_IFBLK: tprintf(", makedev(%lu, %lu)", (unsigned long) ((tcp->u_arg[3] >> 18) & 0x3fff), (unsigned long) (tcp->u_arg[3] & 0x3ffff)); break; default: break; } } return 0; } # ifdef HAVE_SYS_ACL_H # include static const struct xlat aclcmds[] = { # ifdef SETACL XLAT(SETACL), # endif # ifdef GETACL XLAT(GETACL), # endif # ifdef GETACLCNT XLAT(GETACLCNT), # endif # ifdef ACL_GET XLAT(ACL_GET), # endif # ifdef ACL_SET XLAT(ACL_SET), # endif # ifdef ACL_CNT XLAT(ACL_CNT), # endif XLAT_END }; int sys_acl(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); printxval(aclcmds, tcp->u_arg[1], "???ACL???"); tprintf(", %ld", tcp->u_arg[2]); /* * FIXME - dump out the list of aclent_t's pointed to * by "tcp->u_arg[3]" if it's not NULL. */ if (tcp->u_arg[3]) tprintf(", %#lx", tcp->u_arg[3]); else tprints(", NULL"); } return 0; } int sys_facl(struct tcb *tcp) { if (entering(tcp)) { tprintf("%ld, ", tcp->u_arg[0]); printxval(aclcmds, tcp->u_arg[1], "???ACL???"); tprintf(", %ld", tcp->u_arg[2]); /* * FIXME - dump out the list of aclent_t's pointed to * by "tcp->u_arg[3]" if it's not NULL. */ if (tcp->u_arg[3]) tprintf(", %#lx", tcp->u_arg[3]); else tprints(", NULL"); } return 0; } static const struct xlat aclipc[] = { # ifdef IPC_SHM XLAT(IPC_SHM), # endif # ifdef IPC_SEM XLAT(IPC_SEM), # endif # ifdef IPC_MSG XLAT(IPC_MSG), # endif XLAT_END }; int sys_aclipc(struct tcb *tcp) { if (entering(tcp)) { printxval(aclipc, tcp->u_arg[0], "???IPC???"); tprintf(", %#lx, ", tcp->u_arg[1]); printxval(aclcmds, tcp->u_arg[2], "???ACL???"); tprintf(", %ld", tcp->u_arg[3]); /* * FIXME - dump out the list of aclent_t's pointed to * by "tcp->u_arg[4]" if it's not NULL. */ if (tcp->u_arg[4]) tprintf(", %#lx", tcp->u_arg[4]); else tprints(", NULL"); } return 0; } # endif /* HAVE_SYS_ACL_H */ #endif /* SPARC[64] */ static const struct xlat fsmagic[] = { { 0x73757245, "CODA_SUPER_MAGIC" }, { 0x012ff7b7, "COH_SUPER_MAGIC" }, { 0x1373, "DEVFS_SUPER_MAGIC" }, { 0x1cd1, "DEVPTS_SUPER_MAGIC" }, { 0x414A53, "EFS_SUPER_MAGIC" }, { 0xef51, "EXT2_OLD_SUPER_MAGIC" }, { 0xef53, "EXT2_SUPER_MAGIC" }, { 0x137d, "EXT_SUPER_MAGIC" }, { 0xf995e849, "HPFS_SUPER_MAGIC" }, { 0x9660, "ISOFS_SUPER_MAGIC" }, { 0x137f, "MINIX_SUPER_MAGIC" }, { 0x138f, "MINIX_SUPER_MAGIC2" }, { 0x2468, "MINIX2_SUPER_MAGIC" }, { 0x2478, "MINIX2_SUPER_MAGIC2" }, { 0x4d44, "MSDOS_SUPER_MAGIC" }, { 0x564c, "NCP_SUPER_MAGIC" }, { 0x6969, "NFS_SUPER_MAGIC" }, { 0x9fa0, "PROC_SUPER_MAGIC" }, { 0x002f, "QNX4_SUPER_MAGIC" }, { 0x52654973, "REISERFS_SUPER_MAGIC" }, { 0x02011994, "SHMFS_SUPER_MAGIC" }, { 0x517b, "SMB_SUPER_MAGIC" }, { 0x012ff7b6, "SYSV2_SUPER_MAGIC" }, { 0x012ff7b5, "SYSV4_SUPER_MAGIC" }, { 0x00011954, "UFS_MAGIC" }, { 0x54190100, "UFS_CIGAM" }, { 0x012ff7b4, "XENIX_SUPER_MAGIC" }, { 0x012fd16d, "XIAFS_SUPER_MAGIC" }, { 0x62656572, "SYSFS_MAGIC" }, XLAT_END }; static const char * sprintfstype(int magic) { static char buf[32]; const char *s; s = xlookup(fsmagic, magic); if (s) { sprintf(buf, "\"%s\"", s); return buf; } sprintf(buf, "%#x", magic); return buf; } static void printstatfs(struct tcb *tcp, long addr) { struct statfs statbuf; if (syserror(tcp) || !verbose(tcp)) { tprintf("%#lx", addr); return; } if (umove(tcp, addr, &statbuf) < 0) { tprints("{...}"); return; } #ifdef ALPHA tprintf("{f_type=%s, f_fbsize=%u, f_blocks=%u, f_bfree=%u, ", sprintfstype(statbuf.f_type), statbuf.f_bsize, statbuf.f_blocks, statbuf.f_bfree); tprintf("f_bavail=%u, f_files=%u, f_ffree=%u, f_fsid={%d, %d}, f_namelen=%u", statbuf.f_bavail, statbuf.f_files, statbuf.f_ffree, statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1], statbuf.f_namelen); #else /* !ALPHA */ tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%lu, f_bfree=%lu, ", sprintfstype(statbuf.f_type), (unsigned long)statbuf.f_bsize, (unsigned long)statbuf.f_blocks, (unsigned long)statbuf.f_bfree); tprintf("f_bavail=%lu, f_files=%lu, f_ffree=%lu, f_fsid={%d, %d}", (unsigned long)statbuf.f_bavail, (unsigned long)statbuf.f_files, (unsigned long)statbuf.f_ffree, statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]); tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen); #endif /* !ALPHA */ #ifdef _STATFS_F_FRSIZE tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize); #endif tprints("}"); } int sys_statfs(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); } else { printstatfs(tcp, tcp->u_arg[1]); } return 0; } int sys_fstatfs(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); } else { printstatfs(tcp, tcp->u_arg[1]); } return 0; } #if defined HAVE_STATFS64 static void printstatfs64(struct tcb *tcp, long addr) { struct 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=%llu, f_blocks=%llu, f_bfree=%llu, ", sprintfstype(statbuf.f_type), (unsigned long 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); #ifdef _STATFS_F_FRSIZE tprintf(", f_frsize=%llu", (unsigned long long)statbuf.f_frsize); #endif #ifdef _STATFS_F_FLAGS tprintf(", f_flags=%llu", (unsigned long long)statbuf.f_flags); #endif 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); } int sys_statfs64(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprintf(", %lu, ", tcp->u_arg[1]); } 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("{???}"); } return 0; } int sys_fstatfs64(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprintf(", %lu, ", tcp->u_arg[1]); } 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("{???}"); } return 0; } #endif #if defined(ALPHA) int osf_statfs(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); } else { printstatfs(tcp, tcp->u_arg[1]); tprintf(", %lu", tcp->u_arg[2]); } return 0; } int osf_fstatfs(struct tcb *tcp) { if (entering(tcp)) { tprintf("%lu, ", tcp->u_arg[0]); } else { printstatfs(tcp, tcp->u_arg[1]); tprintf(", %lu", tcp->u_arg[2]); } return 0; } #endif /* directory */ int sys_chdir(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); } return 0; } static int decode_mkdir(struct tcb *tcp, int offset) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[offset]); tprintf(", %#lo", tcp->u_arg[offset + 1]); } return 0; } int sys_mkdir(struct tcb *tcp) { return decode_mkdir(tcp, 0); } int sys_mkdirat(struct tcb *tcp) { if (entering(tcp)) print_dirfd(tcp, tcp->u_arg[0]); return decode_mkdir(tcp, 1); } int sys_link(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); printpath(tcp, tcp->u_arg[1]); } return 0; } int sys_linkat(struct tcb *tcp) { if (entering(tcp)) { print_dirfd(tcp, tcp->u_arg[0]); printpath(tcp, tcp->u_arg[1]); tprints(", "); print_dirfd(tcp, tcp->u_arg[2]); printpath(tcp, tcp->u_arg[3]); tprints(", "); printflags(at_flags, tcp->u_arg[4], "AT_???"); } return 0; } int sys_unlinkat(struct tcb *tcp) { if (entering(tcp)) { print_dirfd(tcp, tcp->u_arg[0]); printpath(tcp, tcp->u_arg[1]); tprints(", "); printflags(at_flags, tcp->u_arg[2], "AT_???"); } return 0; } int sys_symlinkat(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); print_dirfd(tcp, tcp->u_arg[1]); printpath(tcp, tcp->u_arg[2]); } return 0; } static int decode_readlink(struct tcb *tcp, int offset) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[offset]); tprints(", "); } else { if (syserror(tcp)) tprintf("%#lx", tcp->u_arg[offset + 1]); else /* Used to use printpathn(), but readlink * neither includes NUL in the returned count, * nor actually writes it into memory. * printpathn() would decide on printing * "..." continuation based on garbage * past return buffer's end. */ printstr(tcp, tcp->u_arg[offset + 1], tcp->u_rval); tprintf(", %lu", tcp->u_arg[offset + 2]); } return 0; } int sys_readlink(struct tcb *tcp) { return decode_readlink(tcp, 0); } int sys_readlinkat(struct tcb *tcp) { if (entering(tcp)) print_dirfd(tcp, tcp->u_arg[0]); return decode_readlink(tcp, 1); } int sys_renameat(struct tcb *tcp) { if (entering(tcp)) { print_dirfd(tcp, tcp->u_arg[0]); printpath(tcp, tcp->u_arg[1]); tprints(", "); print_dirfd(tcp, tcp->u_arg[2]); printpath(tcp, tcp->u_arg[3]); } return 0; } int sys_chown(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); printuid(", ", tcp->u_arg[1]); printuid(", ", tcp->u_arg[2]); } return 0; } int sys_fchownat(struct tcb *tcp) { if (entering(tcp)) { print_dirfd(tcp, tcp->u_arg[0]); printpath(tcp, tcp->u_arg[1]); printuid(", ", tcp->u_arg[2]); printuid(", ", tcp->u_arg[3]); tprints(", "); printflags(at_flags, tcp->u_arg[4], "AT_???"); } return 0; } int sys_fchown(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); printuid(", ", tcp->u_arg[1]); printuid(", ", tcp->u_arg[2]); } return 0; } static int decode_chmod(struct tcb *tcp, int offset) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[offset]); tprintf(", %#lo", tcp->u_arg[offset + 1]); } return 0; } int sys_chmod(struct tcb *tcp) { return decode_chmod(tcp, 0); } int sys_fchmodat(struct tcb *tcp) { if (entering(tcp)) print_dirfd(tcp, tcp->u_arg[0]); return decode_chmod(tcp, 1); } int sys_fchmod(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprintf(", %#lo", tcp->u_arg[1]); } return 0; } #ifdef ALPHA int sys_osf_utimes(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32, 0); } return 0; } #endif static int decode_utimes(struct tcb *tcp, int offset, int special) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[offset]); tprints(", "); if (tcp->u_arg[offset + 1] == 0) tprints("NULL"); else { tprints("{"); printtv_bitness(tcp, tcp->u_arg[offset + 1], BITNESS_CURRENT, special); tprints(", "); printtv_bitness(tcp, tcp->u_arg[offset + 1] + sizeof(struct timeval), BITNESS_CURRENT, special); tprints("}"); } } return 0; } int sys_utimes(struct tcb *tcp) { return decode_utimes(tcp, 0, 0); } int sys_futimesat(struct tcb *tcp) { if (entering(tcp)) print_dirfd(tcp, tcp->u_arg[0]); return decode_utimes(tcp, 1, 0); } int sys_utimensat(struct tcb *tcp) { if (entering(tcp)) { print_dirfd(tcp, tcp->u_arg[0]); decode_utimes(tcp, 1, 1); tprints(", "); printflags(at_flags, tcp->u_arg[3], "AT_???"); } return 0; } int sys_utime(struct tcb *tcp) { union { long utl[2]; int uti[2]; long paranoia_for_huge_wordsize[4]; } u; unsigned wordsize; if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); wordsize = current_wordsize; if (!tcp->u_arg[1]) tprints("NULL"); else if (!verbose(tcp)) tprintf("%#lx", tcp->u_arg[1]); else if (umoven(tcp, tcp->u_arg[1], 2 * wordsize, (char *) &u) < 0) tprints("[?, ?]"); else if (wordsize == sizeof u.utl[0]) { tprintf("[%s,", sprinttime(u.utl[0])); tprintf(" %s]", sprinttime(u.utl[1])); } else if (wordsize == sizeof u.uti[0]) { tprintf("[%s,", sprinttime(u.uti[0])); tprintf(" %s]", sprinttime(u.uti[1])); } else tprintf("", wordsize); } return 0; } static int decode_mknod(struct tcb *tcp, int offset) { int mode = tcp->u_arg[offset + 1]; if (entering(tcp)) { printpath(tcp, tcp->u_arg[offset]); tprintf(", %s", sprintmode(mode)); switch (mode & S_IFMT) { case S_IFCHR: case S_IFBLK: #if defined(SPARC) || defined(SPARC64) if (current_personality == 1) tprintf(", makedev(%lu, %lu)", (unsigned long) ((tcp->u_arg[offset + 2] >> 18) & 0x3fff), (unsigned long) (tcp->u_arg[offset + 2] & 0x3ffff)); else #endif tprintf(", makedev(%lu, %lu)", (unsigned long) major(tcp->u_arg[offset + 2]), (unsigned long) minor(tcp->u_arg[offset + 2])); break; default: break; } } return 0; } int sys_mknod(struct tcb *tcp) { return decode_mknod(tcp, 0); } int sys_mknodat(struct tcb *tcp) { if (entering(tcp)) print_dirfd(tcp, tcp->u_arg[0]); return decode_mknod(tcp, 1); } static void print_old_dirent(struct tcb *tcp, long addr) { #ifdef SH64 typedef struct kernel_dirent old_dirent_t; #else typedef struct { uint32_t d_ino; uint32_t d_off; unsigned short d_reclen; char d_name[1]; } old_dirent_t; #endif old_dirent_t d; if (!verbose(tcp) || umove(tcp, addr, &d) < 0) { tprintf("%#lx", addr); return; } tprintf("{d_ino=%lu, d_off=%lu, d_reclen=%u, d_name=\"", (unsigned long) d.d_ino, (unsigned long) d.d_off, d.d_reclen); if (d.d_reclen > 256) d.d_reclen = 256; printpathn(tcp, addr + offsetof(old_dirent_t, d_name), d.d_reclen); tprints("\"}"); } int sys_readdir(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); } else { if (syserror(tcp) || tcp->u_rval == 0 || !verbose(tcp)) tprintf("%#lx", tcp->u_arg[1]); else print_old_dirent(tcp, tcp->u_arg[1]); /* Not much point in printing this out, it is always 1. */ if (tcp->u_arg[2] != 1) tprintf(", %lu", tcp->u_arg[2]); } return 0; } static const struct xlat direnttypes[] = { XLAT(DT_UNKNOWN), XLAT(DT_FIFO), XLAT(DT_CHR), XLAT(DT_DIR), XLAT(DT_BLK), XLAT(DT_REG), XLAT(DT_LNK), XLAT(DT_SOCK), XLAT(DT_WHT), XLAT_END }; int sys_getdents(struct tcb *tcp) { int i, len, dents = 0; char *buf; if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); return 0; } if (syserror(tcp) || !verbose(tcp)) { tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]); return 0; } len = tcp->u_rval; /* Beware of insanely large or negative values in tcp->u_rval */ if (tcp->u_rval > 1024*1024) len = 1024*1024; if (tcp->u_rval < 0) len = 0; buf = len ? malloc(len) : NULL; if (len && !buf) die_out_of_memory(); if (umoven(tcp, tcp->u_arg[1], len, buf) < 0) { tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]); free(buf); return 0; } if (!abbrev(tcp)) tprints("{"); for (i = 0; i < len;) { struct kernel_dirent *d = (struct kernel_dirent *) &buf[i]; if (!abbrev(tcp)) { tprintf("%s{d_ino=%lu, d_off=%lu, ", i ? " " : "", d->d_ino, d->d_off); tprintf("d_reclen=%u, d_name=\"%s\", d_type=", d->d_reclen, d->d_name); printxval(direnttypes, buf[i + d->d_reclen - 1], "DT_???"); tprints("}"); } if (!d->d_reclen) { tprints("/* d_reclen == 0, problem here */"); break; } i += d->d_reclen; dents++; } if (!abbrev(tcp)) tprints("}"); else tprintf("/* %u entries */", dents); tprintf(", %lu", tcp->u_arg[2]); free(buf); return 0; } int sys_getdents64(struct tcb *tcp) { int i, len, dents = 0; char *buf; if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); return 0; } if (syserror(tcp) || !verbose(tcp)) { tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]); return 0; } len = tcp->u_rval; /* Beware of insanely large or negative tcp->u_rval */ if (tcp->u_rval > 1024*1024) len = 1024*1024; if (tcp->u_rval < 0) len = 0; buf = len ? malloc(len) : NULL; if (len && !buf) die_out_of_memory(); if (umoven(tcp, tcp->u_arg[1], len, buf) < 0) { tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]); free(buf); return 0; } if (!abbrev(tcp)) tprints("{"); for (i = 0; i < len;) { struct dirent64 *d = (struct dirent64 *) &buf[i]; if (!abbrev(tcp)) { tprintf("%s{d_ino=%" PRIu64 ", d_off=%" PRId64 ", ", i ? " " : "", d->d_ino, d->d_off); tprints("d_type="); printxval(direnttypes, d->d_type, "DT_???"); tprints(", "); tprintf("d_reclen=%u, d_name=\"%s\"}", d->d_reclen, d->d_name); } if (!d->d_reclen) { tprints("/* d_reclen == 0, problem here */"); break; } i += d->d_reclen; dents++; } if (!abbrev(tcp)) tprints("}"); else tprintf("/* %u entries */", dents); tprintf(", %lu", tcp->u_arg[2]); free(buf); return 0; } int sys_getcwd(struct tcb *tcp) { if (exiting(tcp)) { if (syserror(tcp)) tprintf("%#lx", tcp->u_arg[0]); else printpathn(tcp, tcp->u_arg[0], tcp->u_rval - 1); tprintf(", %lu", tcp->u_arg[1]); } return 0; } #ifdef HAVE_SYS_ASYNCH_H int sys_aioread(struct tcb *tcp) { struct aio_result_t res; if (entering(tcp)) { tprintf("%lu, ", tcp->u_arg[0]); } else { if (syserror(tcp)) tprintf("%#lx", tcp->u_arg[1]); else printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]); tprintf(", %lu, %lu, ", tcp->u_arg[2], tcp->u_arg[3]); printxval(whence, tcp->u_arg[4], "L_???"); if (syserror(tcp) || tcp->u_arg[5] == 0 || umove(tcp, tcp->u_arg[5], &res) < 0) tprintf(", %#lx", tcp->u_arg[5]); else tprintf(", {aio_return %d aio_errno %d}", res.aio_return, res.aio_errno); } return 0; } int sys_aiowrite(struct tcb *tcp) { struct aio_result_t res; if (entering(tcp)) { tprintf("%lu, ", tcp->u_arg[0]); printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]); tprintf(", %lu, %lu, ", tcp->u_arg[2], tcp->u_arg[3]); printxval(whence, tcp->u_arg[4], "L_???"); } else { if (tcp->u_arg[5] == 0) tprints(", NULL"); else if (syserror(tcp) || umove(tcp, tcp->u_arg[5], &res) < 0) tprintf(", %#lx", tcp->u_arg[5]); else tprintf(", {aio_return %d aio_errno %d}", res.aio_return, res.aio_errno); } return 0; } int sys_aiowait(struct tcb *tcp) { if (entering(tcp)) printtv(tcp, tcp->u_arg[0]); return 0; } int sys_aiocancel(struct tcb *tcp) { struct aio_result_t res; if (exiting(tcp)) { if (tcp->u_arg[0] == 0) tprints("NULL"); else if (syserror(tcp) || umove(tcp, tcp->u_arg[0], &res) < 0) tprintf("%#lx", tcp->u_arg[0]); else tprintf("{aio_return %d aio_errno %d}", res.aio_return, res.aio_errno); } return 0; } #endif /* HAVE_SYS_ASYNCH_H */ static const struct xlat xattrflags[] = { #ifdef XATTR_CREATE XLAT(XATTR_CREATE), XLAT(XATTR_REPLACE), #endif XLAT_END }; static void print_xattr_val(struct tcb *tcp, int failed, unsigned long arg, unsigned long insize, unsigned long size) { if (insize == 0) failed = 1; if (!failed) { unsigned long capacity = 4 * size + 1; unsigned char *buf = (capacity < size) ? NULL : malloc(capacity); if (buf == NULL || /* probably a bogus size argument */ umoven(tcp, arg, size, (char *) &buf[3 * size]) < 0) { failed = 1; } else { unsigned char *out = buf; unsigned char *in = &buf[3 * size]; size_t i; for (i = 0; i < size; ++i) { if (in[i] >= ' ' && in[i] <= 0x7e) *out++ = in[i]; else { #define tohex(n) "0123456789abcdef"[n] *out++ = '\\'; *out++ = 'x'; *out++ = tohex(in[i] / 16); *out++ = tohex(in[i] % 16); } } /* Don't print terminating NUL if there is one. */ if (i > 0 && in[i - 1] == '\0') out -= 4; *out = '\0'; tprintf(", \"%s\", %ld", buf, insize); } free(buf); } if (failed) tprintf(", 0x%lx, %ld", arg, insize); } int sys_setxattr(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); printstr(tcp, tcp->u_arg[1], -1); print_xattr_val(tcp, 0, tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[3]); tprints(", "); printflags(xattrflags, tcp->u_arg[4], "XATTR_???"); } return 0; } int sys_fsetxattr(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); printstr(tcp, tcp->u_arg[1], -1); print_xattr_val(tcp, 0, tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[3]); tprints(", "); printflags(xattrflags, tcp->u_arg[4], "XATTR_???"); } return 0; } int sys_getxattr(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); printstr(tcp, tcp->u_arg[1], -1); } else { print_xattr_val(tcp, syserror(tcp), tcp->u_arg[2], tcp->u_arg[3], tcp->u_rval); } return 0; } int sys_fgetxattr(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); printstr(tcp, tcp->u_arg[1], -1); } else { print_xattr_val(tcp, syserror(tcp), tcp->u_arg[2], tcp->u_arg[3], tcp->u_rval); } return 0; } static void print_xattr_list(struct tcb *tcp, unsigned long addr, unsigned long size) { if (syserror(tcp)) { tprintf("%#lx", addr); } else { if (!addr) { tprints("NULL"); } else { unsigned long len = (size < tcp->u_rval) ? size : tcp->u_rval; printstr(tcp, addr, len); } } tprintf(", %lu", size); } int sys_listxattr(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); } else { print_xattr_list(tcp, tcp->u_arg[1], tcp->u_arg[2]); } return 0; } int sys_flistxattr(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); } else { print_xattr_list(tcp, tcp->u_arg[1], tcp->u_arg[2]); } return 0; } int sys_removexattr(struct tcb *tcp) { if (entering(tcp)) { printpath(tcp, tcp->u_arg[0]); tprints(", "); printstr(tcp, tcp->u_arg[1], -1); } return 0; } int sys_fremovexattr(struct tcb *tcp) { if (entering(tcp)) { printfd(tcp, tcp->u_arg[0]); tprints(", "); printstr(tcp, tcp->u_arg[1], -1); } return 0; } static const struct xlat advise[] = { XLAT(POSIX_FADV_NORMAL), XLAT(POSIX_FADV_RANDOM), XLAT(POSIX_FADV_SEQUENTIAL), XLAT(POSIX_FADV_WILLNEED), XLAT(POSIX_FADV_DONTNEED), XLAT(POSIX_FADV_NOREUSE), XLAT_END }; int sys_fadvise64(struct tcb *tcp) { if (entering(tcp)) { int argn; printfd(tcp, tcp->u_arg[0]); argn = printllval_aligned(tcp, ", %lld", 1); tprintf(", %ld, ", tcp->u_arg[argn++]); printxval(advise, tcp->u_arg[argn], "POSIX_FADV_???"); } return 0; } int sys_fadvise64_64(struct tcb *tcp) { if (entering(tcp)) { int argn; printfd(tcp, tcp->u_arg[0]); argn = printllval_aligned(tcp, ", %lld, ", 1); argn = printllval_aligned(tcp, "%lld, ", argn); #if defined __ARM_EABI__ || defined AARCH64 || defined POWERPC || defined XTENSA printxval(advise, tcp->u_arg[1], "POSIX_FADV_???"); #else printxval(advise, tcp->u_arg[argn], "POSIX_FADV_???"); #endif } return 0; } static const struct xlat sync_file_range_flags[] = { XLAT(SYNC_FILE_RANGE_WAIT_BEFORE), XLAT(SYNC_FILE_RANGE_WRITE), XLAT(SYNC_FILE_RANGE_WAIT_AFTER), XLAT_END }; int sys_sync_file_range(struct tcb *tcp) { if (entering(tcp)) { int argn; printfd(tcp, tcp->u_arg[0]); argn = printllval_aligned(tcp, ", %lld, ", 1); argn = printllval_aligned(tcp, "%lld, ", argn); printflags(sync_file_range_flags, tcp->u_arg[argn], "SYNC_FILE_RANGE_???"); } return 0; } int sys_sync_file_range2(struct tcb *tcp) { if (entering(tcp)) { int argn; printfd(tcp, tcp->u_arg[0]); printflags(sync_file_range_flags, 1, "SYNC_FILE_RANGE_???"); argn = printllval_aligned(tcp, ", %lld, ", 2); argn = printllval_aligned(tcp, "%lld, ", argn); } return 0; } int sys_fallocate(struct tcb *tcp) { if (entering(tcp)) { int argn; printfd(tcp, tcp->u_arg[0]); /* fd */ tprintf(", %#lo, ", tcp->u_arg[1]); /* mode */ argn = printllval_aligned(tcp, "%llu, ", 2); /* offset */ printllval_aligned(tcp, "%llu", argn); /* len */ } return 0; } #ifndef SWAP_FLAG_PREFER # define SWAP_FLAG_PREFER 0x8000 #endif #ifndef SWAP_FLAG_DISCARD # define SWAP_FLAG_DISCARD 0x10000 #endif static const struct xlat swap_flags[] = { XLAT(SWAP_FLAG_PREFER), XLAT(SWAP_FLAG_DISCARD), XLAT_END }; int sys_swapon(struct tcb *tcp) { if (entering(tcp)) { int flags = tcp->u_arg[1]; printpath(tcp, tcp->u_arg[0]); tprints(", "); printflags(swap_flags, flags & ~SWAP_FLAG_PRIO_MASK, "SWAP_FLAG_???"); if (flags & SWAP_FLAG_PREFER) tprintf("|%d", flags & SWAP_FLAG_PRIO_MASK); } return 0; }