--- /dev/null
+
+/*--------------------------------------------------------------------*/
+/*--- Linux-specific syscalls, etc. linux/syscalls.c ---*/
+/*--------------------------------------------------------------------*/
+
+/*
+ This file is part of Valgrind, an extensible x86 protected-mode
+ emulator for monitoring program execution on x86-Unixes.
+
+ Copyright (C) 2000-2004 Nicholas Nethercote
+ njn25@cam.ac.uk
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307, USA.
+
+ The GNU General Public License is contained in the file COPYING.
+*/
+
+#include "core.h"
+#include "syscall_wrappers.h"
+
+/* ---------------------------------------------------------------------
+ PRE/POST wrappers for arch-generic, Linux-specific syscalls
+ ------------------------------------------------------------------ */
+
+// Nb: See the comment above the generic PRE/POST wrappers in
+// coregrind/vg_syscalls.c for notes about how they work.
+
+#define PRE(x,f) \
+ UInt VGA_(linux_##x##_flags) = f; \
+ void VGA_(linux_##x##_before)(ThreadId tid, ThreadState *tst)
+#define POST(x) \
+ void VGA_(linux_##x##_after) (ThreadId tid, ThreadState *tst)
+
+#define SYSNO PLATFORM_SYSCALL_NUM(tst->arch) // in PRE(x)
+#define res PLATFORM_SYSCALL_RET(tst->arch) // in POST(x)
+#define arg1 PLATFORM_SYSCALL_ARG1(tst->arch)
+#define arg2 PLATFORM_SYSCALL_ARG2(tst->arch)
+#define arg3 PLATFORM_SYSCALL_ARG3(tst->arch)
+#define arg4 PLATFORM_SYSCALL_ARG4(tst->arch)
+#define arg5 PLATFORM_SYSCALL_ARG5(tst->arch)
+#define arg6 PLATFORM_SYSCALL_ARG6(tst->arch)
+
+#define set_result(val) PLATFORM_SET_SYSCALL_RESULT(tst->arch, (val))
+
+#define PRINT(format, args...) \
+ if (VG_(clo_trace_syscalls)) \
+ VG_(printf)(format, ## args)
+
+
+PRE(sys_mount, MayBlock)
+{
+ // Nb: depending on 'flags', the 'type' and 'data' args may be ignored.
+ // We are conservative and check everything, except the memory pointed to
+ // by 'data'.
+ PRINT( "sys_mount( %p, %p, %p, %p, %p )" ,arg1,arg2,arg3);
+ PRE_REG_READ5(long, "mount",
+ char *, source, char *, target, char *, type,
+ unsigned long, flags, void *, data);
+ PRE_MEM_RASCIIZ( "mount(source)", arg1);
+ PRE_MEM_RASCIIZ( "mount(target)", arg2);
+ PRE_MEM_RASCIIZ( "mount(type)", arg3);
+}
+
+PRE(sys_oldumount, 0)
+{
+ PRINT("sys_oldumount( %p )", arg1);
+ PRE_REG_READ1(long, "umount", char *, path);
+ PRE_MEM_RASCIIZ( "umount(path)", arg1);
+}
+
+PRE(sys_umount, 0)
+{
+ PRINT("sys_umount( %p )", arg1);
+ PRE_REG_READ2(long, "umount2", char *, path, int, flags);
+ PRE_MEM_RASCIIZ( "umount2(path)", arg1);
+}
+
+PRE(sys_llseek, 0)
+{
+ PRINT("sys_llseek ( %d, 0x%x, 0x%x, %p, %d )", arg1,arg2,arg3,arg4,arg5);
+ PRE_REG_READ5(long, "llseek",
+ unsigned int, fd, unsigned long, offset_high,
+ unsigned long, offset_low, vki_loff_t *, result,
+ unsigned int, whence);
+ PRE_MEM_WRITE( "llseek(result)", arg4, sizeof(vki_loff_t));
+}
+
+POST(sys_llseek)
+{
+ if (res == 0)
+ POST_MEM_WRITE( arg4, sizeof(vki_loff_t) );
+}
+
+PRE(sys_adjtimex, 0)
+{
+ struct vki_timex *tx = (struct vki_timex *)arg1;
+ PRINT("sys_adjtimex ( %p )", arg1);
+ PRE_REG_READ1(long, "adjtimex", struct timex *, buf);
+ PRE_MEM_READ( "adjtimex(timex->modes)", arg1, sizeof(tx->modes));
+
+#define ADJX(bit,field) \
+ if (tx->modes & bit) \
+ PRE_MEM_READ( "adjtimex(timex->"#field")", \
+ (Addr)&tx->field, sizeof(tx->field))
+ ADJX(ADJ_FREQUENCY, freq);
+ ADJX(ADJ_MAXERROR, maxerror);
+ ADJX(ADJ_ESTERROR, esterror);
+ ADJX(ADJ_STATUS, status);
+ ADJX(ADJ_TIMECONST, constant);
+ ADJX(ADJ_TICK, tick);
+#undef ADJX
+
+ PRE_MEM_WRITE( "adjtimex(timex)", arg1, sizeof(struct vki_timex));
+}
+
+POST(sys_adjtimex)
+{
+ VG_TRACK(post_mem_write, arg1, sizeof(struct vki_timex));
+}
+
+PRE(sys_setfsuid16, 0)
+{
+ PRINT("sys_setfsuid16 ( %d )", arg1);
+ PRE_REG_READ1(long, "setfsuid16", vki_old_uid_t, uid);
+}
+
+PRE(sys_setfsuid, 0)
+{
+ PRINT("sys_setfsuid ( %d )", arg1);
+ PRE_REG_READ1(long, "setfsuid", vki_uid_t, uid);
+}
+
+PRE(sys_setfsgid16, 0)
+{
+ PRINT("sys_setfsgid16 ( %d )", arg1);
+ PRE_REG_READ1(long, "setfsgid16", vki_old_gid_t, gid);
+}
+
+PRE(sys_setfsgid, 0)
+{
+ PRINT("sys_setfsgid ( %d )", arg1);
+ PRE_REG_READ1(long, "setfsgid", vki_gid_t, gid);
+}
+
+PRE(sys_setresuid16, 0)
+{
+ PRINT("sys_setresuid16 ( %d, %d, %d )", arg1, arg2, arg3);
+ PRE_REG_READ3(long, "setresuid16",
+ vki_old_uid_t, ruid, vki_old_uid_t, euid, vki_old_uid_t, suid);
+}
+
+PRE(sys_setresuid, 0)
+{
+ PRINT("sys_setresuid ( %d, %d, %d )", arg1, arg2, arg3);
+ PRE_REG_READ3(long, "setresuid",
+ vki_uid_t, ruid, vki_uid_t, euid, vki_uid_t, suid);
+}
+
+PRE(sys_getresuid16, 0)
+{
+ PRINT("sys_getresuid16 ( %p, %p, %p )", arg1,arg2,arg3);
+ PRE_REG_READ3(long, "getresuid16",
+ vki_old_uid_t *, ruid, vki_old_uid_t *, euid,
+ vki_old_uid_t *, suid);
+ PRE_MEM_WRITE( "getresuid16(ruid)", arg1, sizeof(vki_old_uid_t) );
+ PRE_MEM_WRITE( "getresuid16(euid)", arg2, sizeof(vki_old_uid_t) );
+ PRE_MEM_WRITE( "getresuid16(suid)", arg3, sizeof(vki_old_uid_t) );
+}
+
+POST(sys_getresuid16)
+{
+ if (res == 0) {
+ POST_MEM_WRITE( arg1, sizeof(vki_old_uid_t) );
+ POST_MEM_WRITE( arg2, sizeof(vki_old_uid_t) );
+ POST_MEM_WRITE( arg3, sizeof(vki_old_uid_t) );
+ }
+}
+
+PRE(sys_getresuid, 0)
+{
+ PRINT("sys_getresuid ( %p, %p, %p )", arg1,arg2,arg3);
+ PRE_REG_READ3(long, "getresuid",
+ vki_uid_t *, ruid, vki_uid_t *, euid, vki_uid_t *, suid);
+ PRE_MEM_WRITE( "getresuid(ruid)", arg1, sizeof(vki_uid_t) );
+ PRE_MEM_WRITE( "getresuid(euid)", arg2, sizeof(vki_uid_t) );
+ PRE_MEM_WRITE( "getresuid(suid)", arg3, sizeof(vki_uid_t) );
+}
+
+POST(sys_getresuid)
+{
+ if (res == 0) {
+ POST_MEM_WRITE( arg1, sizeof(vki_uid_t) );
+ POST_MEM_WRITE( arg2, sizeof(vki_uid_t) );
+ POST_MEM_WRITE( arg3, sizeof(vki_uid_t) );
+ }
+}
+
+PRE(sys_setresgid16, 0)
+{
+ PRINT("sys_setresgid16 ( %d, %d, %d )", arg1, arg2, arg3);
+ PRE_REG_READ3(long, "setresgid16",
+ vki_old_gid_t, rgid, vki_old_gid_t, egid, vki_old_gid_t, sgid);
+}
+
+PRE(sys_setresgid, 0)
+{
+ PRINT("sys_setresgid ( %d, %d, %d )", arg1, arg2, arg3);
+ PRE_REG_READ3(long, "setresgid",
+ vki_gid_t, rgid, vki_gid_t, egid, vki_gid_t, sgid);
+}
+
+PRE(sys_getresgid16, 0)
+{
+ PRINT("sys_getresgid16 ( %p, %p, %p )", arg1,arg2,arg3);
+ PRE_REG_READ3(long, "getresgid16",
+ vki_old_gid_t *, rgid, vki_old_gid_t *, egid,
+ vki_old_gid_t *, sgid);
+ PRE_MEM_WRITE( "getresgid16(rgid)", arg1, sizeof(vki_old_gid_t) );
+ PRE_MEM_WRITE( "getresgid16(egid)", arg2, sizeof(vki_old_gid_t) );
+ PRE_MEM_WRITE( "getresgid16(sgid)", arg3, sizeof(vki_old_gid_t) );
+}
+
+POST(sys_getresgid16)
+{
+ if (res == 0) {
+ POST_MEM_WRITE( arg1, sizeof(vki_old_gid_t) );
+ POST_MEM_WRITE( arg2, sizeof(vki_old_gid_t) );
+ POST_MEM_WRITE( arg3, sizeof(vki_old_gid_t) );
+ }
+}
+
+PRE(sys_getresgid, 0)
+{
+ PRINT("sys_getresgid ( %p, %p, %p )", arg1,arg2,arg3);
+ PRE_REG_READ3(long, "getresgid",
+ vki_gid_t *, rgid, vki_gid_t *, egid, vki_gid_t *, sgid);
+ PRE_MEM_WRITE( "getresgid(rgid)", arg1, sizeof(vki_gid_t) );
+ PRE_MEM_WRITE( "getresgid(egid)", arg2, sizeof(vki_gid_t) );
+ PRE_MEM_WRITE( "getresgid(sgid)", arg3, sizeof(vki_gid_t) );
+}
+
+POST(sys_getresgid)
+{
+ if (res == 0) {
+ POST_MEM_WRITE( arg1, sizeof(vki_gid_t) );
+ POST_MEM_WRITE( arg2, sizeof(vki_gid_t) );
+ POST_MEM_WRITE( arg3, sizeof(vki_gid_t) );
+ }
+}
+
+PRE(sys_ioperm, 0)
+{
+ PRINT("sys_ioperm ( %d, %d, %d )", arg1, arg2, arg3 );
+ PRE_REG_READ3(long, "ioperm",
+ unsigned long, from, unsigned long, num, int, turn_on);
+}
+
+PRE(sys_syslog, MayBlock)
+{
+ PRINT("sys_syslog (%d, %p, %d)", arg1,arg2,arg3);
+ PRE_REG_READ3(long, "syslog", int, type, char *, bufp, int, len);
+ switch (arg1) {
+ case 2: case 3: case 4:
+ PRE_MEM_WRITE( "syslog(bufp)", arg2, arg3);
+ break;
+ default:
+ break;
+ }
+}
+
+POST(sys_syslog)
+{
+ switch (arg1) {
+ case 2: case 3: case 4:
+ POST_MEM_WRITE( arg2, arg3 );
+ break;
+ default:
+ break;
+ }
+}
+
+PRE(sys_vhangup, 0)
+{
+ PRINT("sys_vhangup ( )");
+ PRE_REG_READ0(long, "vhangup");
+}
+
+PRE(sys_sysinfo, 0)
+{
+ PRINT("sys_sysinfo ( %p )",arg1);
+ PRE_REG_READ1(long, "sysinfo", struct sysinfo *, info);
+ PRE_MEM_WRITE( "sysinfo(info)", arg1, sizeof(struct vki_sysinfo) );
+}
+
+POST(sys_sysinfo)
+{
+ POST_MEM_WRITE( arg1, sizeof(struct vki_sysinfo) );
+}
+
+PRE(sys_personality, 0)
+{
+ PRINT("sys_personality ( %llu )", (ULong)arg1);
+ PRE_REG_READ1(long, "personality", vki_u_long, persona);
+}
+
+PRE(sys_sysctl, 0)
+{
+ PRINT("sys_sysctl ( %p )", arg1 );
+ PRE_REG_READ1(long, "sysctl", struct __sysctl_args *, args);
+ PRE_MEM_WRITE( "sysctl(args)", arg1, sizeof(struct __vki_sysctl_args) );
+}
+
+POST(sys_sysctl)
+{
+ POST_MEM_WRITE( arg1, sizeof(struct __vki_sysctl_args) );
+}
+
+PRE(sys_prctl, MayBlock)
+{
+ PRINT( "prctl ( %d, %d, %d, %d, %d )", arg1, arg2, arg3, arg4, arg5 );
+ // XXX: too simplistic, often not all args are used
+ // Nb: can't use "arg2".."arg5" here because that's our own macro...
+ PRE_REG_READ5(long, "prctl",
+ int, option, unsigned long, parg2, unsigned long, parg3,
+ unsigned long, parg4, unsigned long, parg5);
+ // XXX: totally wrong... we need to look at the 'option' arg, and do
+ // PRE_MEM_READs/PRE_MEM_WRITEs as necessary...
+}
+
+// Nb: this wrapper is "Special" because we have to pad/unpad memory around
+// the syscall itself, and this allows us to control exactly the code that
+// gets run while the padding is in place.
+PRE(sys_io_setup, Special)
+{
+ SizeT size;
+ Addr addr;
+
+ PRINT("sys_io_setup ( %u, %p )", arg1,arg2);
+ PRE_REG_READ2(long, "io_setup",
+ unsigned, nr_events, vki_aio_context_t *, ctxp);
+ PRE_MEM_WRITE( "io_setup(ctxp)", arg2, sizeof(vki_aio_context_t) );
+
+ size = PGROUNDUP(sizeof(struct vki_aio_ring) +
+ arg1*sizeof(struct vki_io_event));
+ addr = VG_(find_map_space)(0, size, True);
+ VG_(map_segment)(addr, size, VKI_PROT_READ|VKI_PROT_EXEC, SF_FIXED);
+
+ VG_(pad_address_space)();
+ set_result( VG_(do_syscall)(SYSNO, arg1, arg2) );
+ VG_(unpad_address_space)();
+
+ if (res == 0) {
+ struct vki_aio_ring *r = *(struct vki_aio_ring **)arg2;
+
+ vg_assert(addr == (Addr)r);
+ vg_assert(VG_(valid_client_addr)(addr, size, tid, "io_setup"));
+
+ VG_TRACK( new_mem_mmap, addr, size, True, True, False );
+ POST_MEM_WRITE( arg2, sizeof(vki_aio_context_t) );
+ }
+ else {
+ VG_(unmap_range)(addr, size);
+ }
+}
+
+// Nb: This wrapper is "Special" because we need 'size' to do the unmap
+// after the syscall. We must get 'size' from the aio_ring structure,
+// before the syscall, while the aio_ring structure still exists. (And we
+// know that we must look at the aio_ring structure because Tom inspected the
+// kernel and glibc sources to see what they do, yuk.)
+PRE(sys_io_destroy, Special)
+{
+ Segment *s = VG_(find_segment)(arg1);
+ struct vki_aio_ring *r;
+ SizeT size;
+
+ PRINT("sys_io_destroy ( %llu )", (ULong)arg1);
+ PRE_REG_READ1(long, "io_destroy", vki_aio_context_t, ctx);
+
+ // If we are going to seg fault (due to a bogus arg1) do it as late as
+ // possible...
+ r = *(struct vki_aio_ring **)arg1;
+ size = PGROUNDUP(sizeof(struct vki_aio_ring) +
+ r->nr*sizeof(struct vki_io_event));
+
+ set_result( VG_(do_syscall)(SYSNO, arg1) );
+
+ if (res == 0 && s != NULL && VG_(seg_contains)(s, arg1, size)) {
+ VG_TRACK( die_mem_munmap, arg1, size );
+ VG_(unmap_range)(arg1, size);
+ }
+}
+
+PRE(sys_io_getevents, MayBlock)
+{
+ PRINT("sys_io_getevents ( %llu, %lld, %lld, %p, %p )",
+ (ULong)arg1,(Long)arg2,(Long)arg3,arg4,arg5);
+ PRE_REG_READ5(long, "io_getevents",
+ vki_aio_context_t, ctx_id, long, min_nr, long, nr,
+ struct io_event *, events,
+ struct timespec *, timeout);
+ if (arg3 > 0)
+ PRE_MEM_WRITE( "io_getevents(events)",
+ arg4, sizeof(struct vki_io_event)*arg3 );
+ if (arg5 != (UWord)NULL)
+ PRE_MEM_READ( "io_getevents(timeout)",
+ arg5, sizeof(struct vki_timespec));
+}
+
+POST(sys_io_getevents)
+{
+ int i;
+
+ if (res > 0) {
+ POST_MEM_WRITE( arg4, sizeof(struct vki_io_event)*res );
+ for (i = 0; i < res; i++) {
+ const struct vki_io_event *vev = ((struct vki_io_event *)arg4) + i;
+ const struct vki_iocb *cb = (struct vki_iocb *)(Addr)vev->obj;
+
+ switch (cb->aio_lio_opcode) {
+ case VKI_IOCB_CMD_PREAD:
+ if (vev->result > 0)
+ POST_MEM_WRITE( cb->aio_buf, vev->result );
+ break;
+
+ case VKI_IOCB_CMD_PWRITE:
+ break;
+
+ default:
+ VG_(message)(Vg_DebugMsg,"Warning: unhandled io_getevents opcode: %u\n",cb->aio_lio_opcode);
+ break;
+ }
+ }
+ }
+}
+
+PRE(sys_io_submit, 0)
+{
+ int i;
+
+ PRINT("sys_io_submit( %llu, %lld, %p )", (ULong)arg1,(Long)arg2,arg3);
+ PRE_REG_READ3(long, "io_submit",
+ vki_aio_context_t, ctx_id, long, nr,
+ struct iocb **, iocbpp);
+ PRE_MEM_READ( "io_submit(iocbpp)", arg3, arg2*sizeof(struct vki_iocb *) );
+ if (arg3 != (UWord)NULL) {
+ for (i = 0; i < arg2; i++) {
+ struct vki_iocb *cb = ((struct vki_iocb **)arg3)[i];
+ PRE_MEM_READ( "io_submit(iocb)", (Addr)cb, sizeof(struct vki_iocb) );
+ switch (cb->aio_lio_opcode) {
+ case VKI_IOCB_CMD_PREAD:
+ PRE_MEM_WRITE( "io_submit(PREAD)", cb->aio_buf, cb->aio_nbytes );
+ break;
+
+ case VKI_IOCB_CMD_PWRITE:
+ PRE_MEM_READ( "io_submit(PWRITE)", cb->aio_buf, cb->aio_nbytes );
+ break;
+
+ default:
+ VG_(message)(Vg_DebugMsg,"Warning: unhandled io_submit opcode: %u\n",
+ cb->aio_lio_opcode);
+ break;
+ }
+ }
+ }
+}
+
+PRE(sys_io_cancel, 0)
+{
+ PRINT("sys_io_cancel( %llu, %p, %p )", (ULong)arg1,arg2,arg3);
+ PRE_REG_READ3(long, "io_cancel",
+ vki_aio_context_t, ctx_id, struct iocb *, iocb,
+ struct io_event *, result);
+ PRE_MEM_READ( "io_cancel(iocb)", arg2, sizeof(struct vki_iocb) );
+ PRE_MEM_WRITE( "io_cancel(result)", arg3, sizeof(struct vki_io_event) );
+}
+
+POST(sys_io_cancel)
+{
+ POST_MEM_WRITE( arg3, sizeof(struct vki_io_event) );
+}
+
+#undef PRE
+#undef POST
+
+/*--------------------------------------------------------------------*/
+/*--- end ---*/
+/*--------------------------------------------------------------------*/
PRE_REG_READ1(long, "set_tid_address", int *, tidptr);
}
-PRE(sys_setresgid16, 0)
-{
- PRINT("sys_setresgid16 ( %d, %d, %d )", arg1, arg2, arg3);
- PRE_REG_READ3(long, "setresgid16",
- vki_old_gid_t, rgid, vki_old_gid_t, egid, vki_old_gid_t, sgid);
-}
-
-PRE(sys_setresgid, 0)
-{
- PRINT("sys_setresgid ( %d, %d, %d )", arg1, arg2, arg3);
- PRE_REG_READ3(long, "setresgid",
- vki_gid_t, rgid, vki_gid_t, egid, vki_gid_t, sgid);
-}
-
PRE(sys_iopl, 0)
{
PRINT("sys_iopl ( %d )", arg1);
PRE_REG_READ2(long, "setregid16", vki_old_gid_t, rgid, vki_old_gid_t, egid);
}
-PRE(sys_setresuid16, 0)
-{
- PRINT("sys_setresuid16 ( %d, %d, %d )", arg1, arg2, arg3);
- PRE_REG_READ3(long, "setresuid16",
- vki_old_uid_t, ruid, vki_old_uid_t, euid, vki_old_uid_t, suid);
-}
-
-PRE(sys_setresuid, 0)
-{
- PRINT("sys_setresuid ( %d, %d, %d )", arg1, arg2, arg3);
- PRE_REG_READ3(long, "setresuid",
- vki_uid_t, ruid, vki_uid_t, euid, vki_uid_t, suid);
-}
-
PRE(sys_sendfile, MayBlock)
{
PRINT("sys_sendfile ( %d, %d, %p, %llu )", arg1,arg2,arg3,(ULong)arg4);
PRE_REG_READ0(long, "getppid");
}
-PRE(sys_getresgid16, 0)
-{
- PRINT("sys_getresgid16 ( %p, %p, %p )", arg1,arg2,arg3);
- PRE_REG_READ3(long, "getresgid16",
- vki_old_gid_t *, rgid, vki_old_gid_t *, egid,
- vki_old_gid_t *, sgid);
- PRE_MEM_WRITE( "getresgid16(rgid)", arg1, sizeof(vki_old_gid_t) );
- PRE_MEM_WRITE( "getresgid16(egid)", arg2, sizeof(vki_old_gid_t) );
- PRE_MEM_WRITE( "getresgid16(sgid)", arg3, sizeof(vki_old_gid_t) );
-}
-
-POST(sys_getresgid16)
-{
- if (res == 0) {
- POST_MEM_WRITE( arg1, sizeof(vki_old_gid_t) );
- POST_MEM_WRITE( arg2, sizeof(vki_old_gid_t) );
- POST_MEM_WRITE( arg3, sizeof(vki_old_gid_t) );
- }
-}
-
-PRE(sys_getresgid, 0)
-{
- PRINT("sys_getresgid ( %p, %p, %p )", arg1,arg2,arg3);
- PRE_REG_READ3(long, "getresgid",
- vki_gid_t *, rgid, vki_gid_t *, egid, vki_gid_t *, sgid);
- PRE_MEM_WRITE( "getresgid(rgid)", arg1, sizeof(vki_gid_t) );
- PRE_MEM_WRITE( "getresgid(egid)", arg2, sizeof(vki_gid_t) );
- PRE_MEM_WRITE( "getresgid(sgid)", arg3, sizeof(vki_gid_t) );
-}
-
-POST(sys_getresgid)
-{
- if (res == 0) {
- POST_MEM_WRITE( arg1, sizeof(vki_gid_t) );
- POST_MEM_WRITE( arg2, sizeof(vki_gid_t) );
- POST_MEM_WRITE( arg3, sizeof(vki_gid_t) );
- }
-}
-
-PRE(sys_getresuid16, 0)
-{
- PRINT("sys_getresuid16 ( %p, %p, %p )", arg1,arg2,arg3);
- PRE_REG_READ3(long, "getresuid16",
- vki_old_uid_t *, ruid, vki_old_uid_t *, euid,
- vki_old_uid_t *, suid);
- PRE_MEM_WRITE( "getresuid16(ruid)", arg1, sizeof(vki_old_uid_t) );
- PRE_MEM_WRITE( "getresuid16(euid)", arg2, sizeof(vki_old_uid_t) );
- PRE_MEM_WRITE( "getresuid16(suid)", arg3, sizeof(vki_old_uid_t) );
-}
-
-POST(sys_getresuid16)
-{
- if (res == 0) {
- POST_MEM_WRITE( arg1, sizeof(vki_old_uid_t) );
- POST_MEM_WRITE( arg2, sizeof(vki_old_uid_t) );
- POST_MEM_WRITE( arg3, sizeof(vki_old_uid_t) );
- }
-}
-
-PRE(sys_getresuid, 0)
-{
- PRINT("sys_getresuid ( %p, %p, %p )", arg1,arg2,arg3);
- PRE_REG_READ3(long, "getresuid",
- vki_uid_t *, ruid, vki_uid_t *, euid, vki_uid_t *, suid);
- PRE_MEM_WRITE( "getresuid(ruid)", arg1, sizeof(vki_uid_t) );
- PRE_MEM_WRITE( "getresuid(euid)", arg2, sizeof(vki_uid_t) );
- PRE_MEM_WRITE( "getresuid(suid)", arg3, sizeof(vki_uid_t) );
-}
-
-POST(sys_getresuid)
-{
- if (res == 0) {
- POST_MEM_WRITE( arg1, sizeof(vki_uid_t) );
- POST_MEM_WRITE( arg2, sizeof(vki_uid_t) );
- POST_MEM_WRITE( arg3, sizeof(vki_uid_t) );
- }
-}
-
static void common_post_getrlimit(UWord a1, UWord a2)
{
POST_MEM_WRITE( a2, sizeof(struct vki_rlimit) );