* Makefile.in (RDYNAMIC): New.
	(SFILES): Add proc-service.list.
	* config/alpha/alpha-linux.mh (NAT_CDEPS): New.
	(LOADLIBES): Replace -rdynamic by $(RDYNAMIC).
	* config/arm/linux.mh: Likewise.
	* config/i386/linux.mh: Likewise.
	* config/i386/linux64.mh: Likewise.
	* config/ia64/linux.mh: Likewise.
	* config/m32r/linux.mh: Likewise.
	* config/m68k/linux.mh: Likewise.
	* config/mips/linux.mh: Likewise.
	* config/pa/linux.mh: Likewise.
	* config/powerpc/linux.mh: Likewise.
	* config/powerpc/ppc64-linux.mh: Likewise.
	* config/s390/s390.mh: Likewise.
	* config/sparc/linux.mh: Likewise.
	* config/sparc/linux64.mh: Likewise.
	* config/xtensa/linux.mh: Likewise.
	* configure.ac: New RDYNAMIC on native host and GCC.
	(solaris*): Replace -Wl,-export-dynamic by $RDYNAMIC.
	* configure: Regenerate.
	* proc-service.list: New.

gdb/gdbserver/
	* Makefile.in (SFILES): Add $(srcdir)/proc-service.list.
	(CDEPS): New.
	* configure.ac (RDYNAMIC): New AC_MSG_CHECKING wrapping.  Test also
	-Wl,--dynamic-list.
	* configure: Regenerate.
	* proc-service.list: New.
This commit is contained in:
Jan Kratochvil 2010-05-28 18:50:35 +00:00
parent 096554ab8e
commit f6528abd64
25 changed files with 269 additions and 67 deletions

View File

@ -1,3 +1,28 @@
2010-05-28 Jan Kratochvil <jan.kratochvil@redhat.com>
* Makefile.in (RDYNAMIC): New.
(SFILES): Add proc-service.list.
* config/alpha/alpha-linux.mh (NAT_CDEPS): New.
(LOADLIBES): Replace -rdynamic by $(RDYNAMIC).
* config/arm/linux.mh: Likewise.
* config/i386/linux.mh: Likewise.
* config/i386/linux64.mh: Likewise.
* config/ia64/linux.mh: Likewise.
* config/m32r/linux.mh: Likewise.
* config/m68k/linux.mh: Likewise.
* config/mips/linux.mh: Likewise.
* config/pa/linux.mh: Likewise.
* config/powerpc/linux.mh: Likewise.
* config/powerpc/ppc64-linux.mh: Likewise.
* config/s390/s390.mh: Likewise.
* config/sparc/linux.mh: Likewise.
* config/sparc/linux64.mh: Likewise.
* config/xtensa/linux.mh: Likewise.
* configure.ac: New RDYNAMIC on native host and GCC.
(solaris*): Replace -Wl,-export-dynamic by $RDYNAMIC.
* configure: Regenerate.
* proc-service.list: New.
2010-05-28 Jan Kratochvil <jan.kratochvil@redhat.com>
* linux-nat.c (linux_nat_core_of_thread_1): Fix crash on invalid

View File

@ -157,6 +157,8 @@ GDB_WERROR_CFLAGS = $(WERROR_CFLAGS)
GDB_WARN_CFLAGS_NO_FORMAT = `echo " $(GDB_WARN_CFLAGS) " | sed "s/ -Wformat-nonliteral / /g"`
RDYNAMIC = @RDYNAMIC@
# Where is the INTL library? Typically in ../intl.
INTL = @LIBINTL@
INTL_DEPS = @LIBINTL_DEP@
@ -683,7 +685,7 @@ SFILES = ada-exp.y ada-lang.c ada-typeprint.c ada-valprint.c ada-tasks.c \
objc-exp.y objc-lang.c \
objfiles.c osabi.c observer.c osdata.c \
p-exp.y p-lang.c p-typeprint.c p-valprint.c parse.c printcmd.c \
progspace.c \
proc-service.list progspace.c \
prologue-value.c psymtab.c \
regcache.c reggroups.c remote.c remote-fileio.c reverse.c \
scm-exp.c scm-lang.c scm-valprint.c \

View File

@ -3,10 +3,11 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o corelow.o alpha-linux-nat.o \
fork-child.o proc-service.o linux-thread-db.o \
linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
# gdb executable.
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)
# doublest.c currently assumes some properties of FP arithmetic
# on the host which require this.

View File

@ -3,5 +3,6 @@
NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o arm-linux-nat.o \
proc-service.o linux-thread-db.o linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES= -ldl -rdynamic
LOADLIBES= -ldl $(RDYNAMIC)

View File

@ -5,7 +5,8 @@ NATDEPFILES= inf-ptrace.o fork-child.o \
i386-nat.o i386-linux-nat.o \
proc-service.o linux-thread-db.o \
linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
# gdb executable.
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -3,7 +3,8 @@ NATDEPFILES= inf-ptrace.o fork-child.o \
i386-nat.o amd64-nat.o amd64-linux-nat.o linux-nat.o \
proc-service.o linux-thread-db.o linux-fork.o
NAT_FILE= config/nm-linux.h
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
# gdb executable.
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -4,5 +4,6 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o corelow.o \
core-regset.o ia64-linux-nat.o \
proc-service.o linux-thread-db.o linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -4,5 +4,6 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o corelow.o \
m32r-linux-nat.o proc-service.o linux-thread-db.o \
linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES= -ldl -rdynamic
LOADLIBES= -ldl $(RDYNAMIC)

View File

@ -4,7 +4,8 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o \
corelow.o m68klinux-nat.o \
proc-service.o linux-thread-db.o linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
# gdb executable.
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -3,5 +3,6 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o mips-linux-nat.o \
linux-thread-db.o proc-service.o \
linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -3,5 +3,6 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o corelow.o \
hppa-linux-nat.o proc-service.o linux-thread-db.o linux-nat.o \
linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -6,5 +6,6 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o \
ppc-linux-nat.o proc-service.o linux-thread-db.o \
linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -6,6 +6,7 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o \
ppc-linux-nat.o proc-service.o linux-thread-db.o \
linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The PowerPC has severe limitations on TOC size, and uses them even
# for non-PIC code. GDB overflows those tables when compiling with
@ -15,4 +16,4 @@ MH_CFLAGS= -mminimal-toc
# The dynamically loaded libthread_db needs access to symbols in the
# gdb executable.
LOADLIBES= -ldl -rdynamic
LOADLIBES= -ldl $(RDYNAMIC)

View File

@ -2,4 +2,5 @@
NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o corelow.o s390-nat.o \
linux-thread-db.o proc-service.o linux-nat.o linux-fork.o
LOADLIBES = -ldl -rdynamic
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -4,7 +4,8 @@ NATDEPFILES= sparc-nat.o sparc-linux-nat.o \
corelow.o core-regset.o fork-child.o inf-ptrace.o \
proc-service.o linux-thread-db.o \
linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
# gdb executable.
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -5,7 +5,8 @@ NATDEPFILES= sparc-nat.o sparc64-nat.o sparc64-linux-nat.o \
fork-child.o inf-ptrace.o \
proc-service.o linux-thread-db.o \
linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
# gdb executable.
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

View File

@ -4,5 +4,6 @@ NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o xtensa-linux-nat.o \
linux-thread-db.o proc-service.o linux-nat.o linux-fork.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl -rdynamic
LOADLIBES = -ldl $(RDYNAMIC)

90
gdb/configure vendored
View File

@ -657,6 +657,7 @@ SYSTEM_GDBINIT
TARGET_SYSTEM_ROOT_DEFINE
TARGET_SYSTEM_ROOT
CONFIG_LDFLAGS
RDYNAMIC
ALLOCA
PYTHON_CFLAGS
python_prog_path
@ -14171,6 +14172,62 @@ esac
if test ${build} = ${host} -a ${host} = ${target} ; then
if test "$GCC" = "yes" ; then
# The dynamically loaded libthread_db needs access to symbols in the gdb
# executable. Older GNU ld supports --export-dynamic but --dynamic-list
# may not be supported there.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the dynamic export flag" >&5
$as_echo_n "checking for the dynamic export flag... " >&6; }
old_LDFLAGS="$LDFLAGS"
# Older GNU ld supports --export-dynamic but --dynamic-list it does not.
RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
LDFLAGS="$LDFLAGS $RDYNAMIC"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
found="-Wl,--dynamic-list"
RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
else
RDYNAMIC="-rdynamic"
LDFLAGS="$old_LDFLAGS $RDYNAMIC"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
found="-rdynamic"
else
found="no"
# Error on its usage by .mh file.
RDYNAMIC="no-rdynamic-available"
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LDFLAGS="$old_LDFLAGS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $found" >&5
$as_echo "$found" >&6; }
fi
case ${host_os} in
hpux*)
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for HPUX/OSF thread support" >&5
@ -14253,38 +14310,7 @@ _ACEOF
fi
if test "$GCC" = "yes" ; then
# The GNU linker requires the -export-dynamic option to make
# all symbols visible in the dynamic symbol table.
hold_ldflags=$LDFLAGS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the ld -export-dynamic flag" >&5
$as_echo_n "checking for the ld -export-dynamic flag... " >&6; }
LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
int i;
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
found=yes
else
found=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LDFLAGS=$hold_ldflags
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $found" >&5
$as_echo "$found" >&6; }
if test $found = yes; then
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
fi
fi
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
# Sun randomly tweaked the prototypes in <proc_service.h>
# at one point.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if <proc_service.h> is old" >&5

View File

@ -1450,6 +1450,30 @@ dnl Note that we only want this if we are both native (host == target),
dnl and not doing a canadian cross build (build == host).
if test ${build} = ${host} -a ${host} = ${target} ; then
if test "$GCC" = "yes" ; then
# The dynamically loaded libthread_db needs access to symbols in the gdb
# executable. Older GNU ld supports --export-dynamic but --dynamic-list
# may not be supported there.
AC_MSG_CHECKING(for the dynamic export flag)
old_LDFLAGS="$LDFLAGS"
# Older GNU ld supports --export-dynamic but --dynamic-list it does not.
RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
LDFLAGS="$LDFLAGS $RDYNAMIC"
AC_TRY_LINK([], [],
[found="-Wl,--dynamic-list"
RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'],
[RDYNAMIC="-rdynamic"
LDFLAGS="$old_LDFLAGS $RDYNAMIC"
AC_TRY_LINK([], [],
[found="-rdynamic"],
[found="no"
# Error on its usage by .mh file.
RDYNAMIC="no-rdynamic-available"])])
AC_SUBST(RDYNAMIC)
LDFLAGS="$old_LDFLAGS"
AC_MSG_RESULT($found)
fi
case ${host_os} in
hpux*)
AC_MSG_CHECKING(for HPUX/OSF thread support)
@ -1480,19 +1504,7 @@ if test ${build} = ${host} -a ${host} = ${target} ; then
CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
AC_CHECK_LIB(dl, dlopen)
if test "$GCC" = "yes" ; then
# The GNU linker requires the -export-dynamic option to make
# all symbols visible in the dynamic symbol table.
hold_ldflags=$LDFLAGS
AC_MSG_CHECKING(for the ld -export-dynamic flag)
LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
AC_TRY_LINK(, [int i;], found=yes, found=no)
LDFLAGS=$hold_ldflags
AC_MSG_RESULT($found)
if test $found = yes; then
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
fi
fi
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
# Sun randomly tweaked the prototypes in <proc_service.h>
# at one point.
AC_MSG_CHECKING(if <proc_service.h> is old)

View File

@ -1,3 +1,12 @@
2010-05-28 Jan Kratochvil <jan.kratochvil@redhat.com>
* Makefile.in (SFILES): Add $(srcdir)/proc-service.list.
(CDEPS): New.
* configure.ac (RDYNAMIC): New AC_MSG_CHECKING wrapping. Test also
-Wl,--dynamic-list.
* configure: Regenerate.
* proc-service.list: New.
2010-05-28 Jan Kratochvil <jan.kratochvil@redhat.com>
* linux-low.c (linux_core_of_thread): Fix crash on invalid CONTENT.

View File

@ -100,7 +100,8 @@ INTERNAL_LDFLAGS = $(LDFLAGS) @RDYNAMIC@
# All source files that go into linking GDB remote server.
SFILES= $(srcdir)/gdbreplay.c $(srcdir)/inferiors.c \
$(srcdir)/mem-break.c $(srcdir)/proc-service.c $(srcdir)/regcache.c \
$(srcdir)/mem-break.c $(srcdir)/proc-service.c \
$(srcdir)/proc-service.list $(srcdir)/regcache.c \
$(srcdir)/remote-utils.c $(srcdir)/server.c $(srcdir)/target.c \
$(srcdir)/thread-db.c $(srcdir)/utils.c \
$(srcdir)/linux-arm-low.c $(srcdir)/linux-cris-low.c \
@ -133,6 +134,7 @@ OBS = inferiors.o regcache.o remote-utils.o server.o signals.o target.o \
GDBREPLAY_OBS = gdbreplay.o version.o
GDBSERVER_LIBS = @GDBSERVER_LIBS@
XM_CLIBS = @LIBS@
CDEPS = $(srcdir)/proc-service.list
# XML files to compile in to gdbserver, if any.
XML_DIR = $(srcdir)/../features

View File

@ -4349,8 +4349,13 @@ USE_THREAD_DB=
if test "$srv_linux_thread_db" = "yes"; then
if test "$ac_cv_lib_dl_dlopen" = "yes"; then
srv_libs="-ldl"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the dynamic export flag" >&5
$as_echo_n "checking for the dynamic export flag... " >&6; }
old_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -rdynamic"
# Older GNU ld supports --export-dynamic but --dynamic-list may not be
# supported there.
RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
LDFLAGS="$LDFLAGS $RDYNAMIC"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@ -4363,14 +4368,37 @@ main ()
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
RDYNAMIC=-rdynamic
found="-Wl,--dynamic-list"
RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
else
RDYNAMIC=
RDYNAMIC="-rdynamic"
LDFLAGS="$old_LDFLAGS $RDYNAMIC"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
found="-rdynamic"
else
found="no"
RDYNAMIC=""
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LDFLAGS="$old_LDFLAGS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $found" >&5
$as_echo "$found" >&6; }
else
srv_libs="-lthread_db"
fi

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@ -188,11 +188,24 @@ USE_THREAD_DB=
if test "$srv_linux_thread_db" = "yes"; then
if test "$ac_cv_lib_dl_dlopen" = "yes"; then
srv_libs="-ldl"
AC_MSG_CHECKING(for the dynamic export flag)
old_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -rdynamic"
AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
# Older GNU ld supports --export-dynamic but --dynamic-list may not be
# supported there.
RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
LDFLAGS="$LDFLAGS $RDYNAMIC"
AC_TRY_LINK([], [],
[found="-Wl,--dynamic-list"
RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'],
[RDYNAMIC="-rdynamic"
LDFLAGS="$old_LDFLAGS $RDYNAMIC"
AC_TRY_LINK([], [],
[found="-rdynamic"],
[found="no"
RDYNAMIC=""])])
AC_SUBST(RDYNAMIC)
LDFLAGS="$old_LDFLAGS"
AC_MSG_RESULT($found)
else
srv_libs="-lthread_db"
fi

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@ -0,0 +1,30 @@
/* -Wl,--dynamic-list symbols exported for libthread_db.
Copyright (C) 2010 Free Software Foundation, Inc.
This file is part of GDB.
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 3 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, see <http://www.gnu.org/licenses/>. */
{
ps_get_thread_area;
ps_getpid;
ps_lgetfpregs;
ps_lgetregs;
ps_lsetfpregs;
ps_lsetregs;
ps_pdread;
ps_pdwrite;
ps_pglobal_lookup;
};

40
gdb/proc-service.list Normal file
View File

@ -0,0 +1,40 @@
/* -Wl,--dynamic-list symbols exported for libthread_db.
Copyright (C) 2010 Free Software Foundation, Inc.
This file is part of GDB.
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 3 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, see <http://www.gnu.org/licenses/>. */
{
ps_get_thread_area;
ps_getpid;
ps_lcontinue;
ps_lgetfpregs;
ps_lgetregs;
ps_lgetxregs;
ps_lgetxregsize;
ps_lsetfpregs;
ps_lsetregs;
ps_lsetxregs;
ps_lstop;
ps_pcontinue;
ps_pdread;
ps_pdwrite;
ps_pglobal_lookup;
ps_plog;
ps_pstop;
ps_ptread;
ps_ptwrite;
};