libgompd: Fix Access Bugs

libgomp/ChangeLog 2022-06-29 Mohamed Atef <mohamedatef1698@gmail.com> * ompd-helper.c (gompd_is_final, gompd_is_implicit, gompd_get_team_size): Change is_ptr from 1 to 0 in ACCESS_VALUE. Signed-off-by: Mohamed Atef <mohamedatef1698@gmail.com>
Fix sizes in OMPD support and add local ICVs functions.
2026-02-22 12:00:03 -05:00 · 2022-06-29 04:40:23 +02:00 · 2022-06-20 12:44:52 +02:00 · 2022-05-23 21:46:38 +02:00
19 changed files with 1925 additions and 15 deletions
--- a/libgomp/Makefile.am
+++ b/libgomp/Makefile.am
@@ -20,7 +20,7 @@ AM_CPPFLAGS = $(addprefix -I, $(search_path))
 AM_CFLAGS = $(XCFLAGS)
 AM_LDFLAGS = $(XLDFLAGS) $(SECTION_LDFLAGS) $(OPT_LDFLAGS)

-toolexeclib_LTLIBRARIES = libgomp.la
+toolexeclib_LTLIBRARIES = libgomp.la libgompd.la
 nodist_toolexeclib_HEADERS = libgomp.spec

 if LIBGOMP_BUILD_VERSIONED_SHLIB
@@ -32,13 +32,21 @@ libgomp.ver: $(top_srcdir)/libgomp.map
 	$(EGREP) -v '#(#| |$$)' $< | \
 	  $(PREPROCESS) -P -include config.h - > $@ || (rm -f $@ ; exit 1)

+libgompd.ver: $(top_srcdir)/libgompd.map
+	$(EGREP) -v '#(#| |$$)' $< | \
+	  $(PREPROCESS) -P -include config.h - > $@ || (rm -f $@ ; exit 1)
+
 if LIBGOMP_BUILD_VERSIONED_SHLIB_GNU
 libgomp_version_script = -Wl,--version-script,libgomp.ver
+libgompd_version_script = -Wl,--version-script,libgompd.ver
 libgomp_version_dep = libgomp.ver
+libgompd_version_dep = libgompd.ver
 endif
 if LIBGOMP_BUILD_VERSIONED_SHLIB_SUN
 libgomp_version_script = -Wl,-M,libgomp.ver-sun
+libgompd_version_script = -Wl,-M,libgompd.ver-sun
 libgomp_version_dep = libgomp.ver-sun
+libgompd_version_dep = libgompd.ver-sun
 libgomp.ver-sun : libgomp.ver \
 		$(top_srcdir)/../contrib/make_sunver.pl \
 		$(libgomp_la_OBJECTS) $(libgomp_la_LIBADD)
@@ -48,17 +56,34 @@ libgomp.ver-sun : libgomp.ver \
 	 `echo $(libgomp_la_LIBADD) | \
 	    sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
 	 > $@ || (rm -f $@ ; exit 1)
+libgompd.ver-sun : libgompd.ver \
+		$(top_srcdir)/../contrib/make_sunver.pl \
+		$(libgompd_la_OBJECTS) $(libgompd_la_LIBADD)
+	perl $(top_srcdir)/../contrib/make_sunver.pl \
+	  libgompd.ver \
+	  $(libgompd_la_OBJECTS:%.lo=.libs/%.o) \
+	 `echo $(libgompd_la_LIBADD) | \
+	    sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
+	 > $@ || (rm -f $@ ; exit 1)
 endif
 else
 libgomp_version_script =
+libgompd_version_script =
 libgomp_version_dep =
+libgompd_version_dep =
 endif
 libgomp_version_info = -version-info $(libtool_VERSION)
+libgompd_version_info = -version-info $(libtool_VERSION)
 libgomp_la_LDFLAGS = $(libgomp_version_info) $(libgomp_version_script) \
        $(lt_host_flags)
+libgompd_la_LDFLAGS = $(libgompd_version_info) $(libgompd_version_script) \
+        $(lt_host_flags)
 libgomp_la_LIBADD =
+libgompd_la_LIBADD =
 libgomp_la_DEPENDENCIES = $(libgomp_version_dep)
+libgompd_la_DEPENDENCIES = $(libgompd_version_dep)
 libgomp_la_LINK = $(LINK) $(libgomp_la_LDFLAGS)
+libgompd_la_LINK = $(LINK) $(libgompd_la_LDFLAGS)

 libgomp_la_SOURCES = alloc.c atomic.c barrier.c critical.c env.c error.c \
 	icv.c icv-device.c iter.c iter_ull.c loop.c loop_ull.c ordered.c \
@@ -67,7 +92,9 @@ libgomp_la_SOURCES = alloc.c atomic.c barrier.c critical.c env.c error.c \
 	target.c splay-tree.c libgomp-plugin.c oacc-parallel.c oacc-host.c \
 	oacc-init.c oacc-mem.c oacc-async.c oacc-plugin.c oacc-cuda.c \
 	priority_queue.c affinity-fmt.c teams.c allocator.c oacc-profiling.c \
-	oacc-target.c
+	oacc-target.c ompd-support.c
+
+libgompd_la_SOURCES = ompd-init.c ompd-helper.c ompd-icv.c

 include $(top_srcdir)/plugin/Makefrag.am

@@ -76,7 +103,7 @@ libgomp_la_SOURCES += openacc.f90
 endif

 nodist_noinst_HEADERS = libgomp_f.h
-nodist_libsubinclude_HEADERS = omp.h openacc.h acc_prof.h
+nodist_libsubinclude_HEADERS = omp.h openacc.h acc_prof.h omp-tools.h ompd-types.h
 if USE_FORTRAN
 nodist_finclude_HEADERS = omp_lib.h omp_lib.f90 omp_lib.mod omp_lib_kinds.mod \
 	openacc_lib.h openacc.f90 openacc.mod openacc_kinds.mod
--- a/libgomp/Makefile.in
+++ b/libgomp/Makefile.in
@@ -16,7 +16,7 @@

 # Plugins for offload execution, Makefile.am fragment.
 #
-# Copyright (C) 2014-2021 Free Software Foundation, Inc.
+# Copyright (C) 2014-2022 Free Software Foundation, Inc.
 #
 # Contributed by Mentor Embedded.
 #
@@ -158,7 +158,7 @@ am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
 mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
 CONFIG_HEADER = config.h
 CONFIG_CLEAN_FILES = omp.h omp_lib.h omp_lib.f90 libgomp_f.h \
-	libgomp.spec
+	omp-tools.h ompd-types.h libgomp.spec
 CONFIG_CLEAN_VPATH_FILES =
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
@@ -231,8 +231,10 @@ am_libgomp_la_OBJECTS = alloc.lo atomic.lo barrier.lo critical.lo \
 	oacc-parallel.lo oacc-host.lo oacc-init.lo oacc-mem.lo \
 	oacc-async.lo oacc-plugin.lo oacc-cuda.lo priority_queue.lo \
 	affinity-fmt.lo teams.lo allocator.lo oacc-profiling.lo \
-	oacc-target.lo $(am__objects_1)
+	oacc-target.lo ompd-support.lo $(am__objects_1)
 libgomp_la_OBJECTS = $(am_libgomp_la_OBJECTS)
+am_libgompd_la_OBJECTS = ompd-init.lo ompd-helper.lo ompd-icv.lo
+libgompd_la_OBJECTS = $(am_libgompd_la_OBJECTS)
 AM_V_P = $(am__v_P_@AM_V@)
 am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
 am__v_P_0 = false
@@ -280,7 +282,8 @@ am__v_FCLD_ = $(am__v_FCLD_@AM_DEFAULT_V@)
 am__v_FCLD_0 = @echo "  FCLD    " $@;
 am__v_FCLD_1 = 
 SOURCES = $(libgomp_plugin_gcn_la_SOURCES) \
-	$(libgomp_plugin_nvptx_la_SOURCES) $(libgomp_la_SOURCES)
+	$(libgomp_plugin_nvptx_la_SOURCES) $(libgomp_la_SOURCES) \
+	$(libgompd_la_SOURCES)
 AM_V_DVIPS = $(am__v_DVIPS_@AM_V@)
 am__v_DVIPS_ = $(am__v_DVIPS_@AM_DEFAULT_V@)
 am__v_DVIPS_0 = @echo "  DVIPS   " $@;
@@ -538,7 +541,8 @@ libsubincludedir = $(libdir)/gcc/$(target_alias)/$(gcc_version)/include
 AM_CPPFLAGS = $(addprefix -I, $(search_path))
 AM_CFLAGS = $(XCFLAGS)
 AM_LDFLAGS = $(XLDFLAGS) $(SECTION_LDFLAGS) $(OPT_LDFLAGS)
-toolexeclib_LTLIBRARIES = libgomp.la $(am__append_1) $(am__append_6)
+toolexeclib_LTLIBRARIES = libgomp.la libgompd.la $(am__append_1) \
+	$(am__append_6)
 nodist_toolexeclib_HEADERS = libgomp.spec

 # -Wc is only a libtool option.
@@ -547,16 +551,29 @@ nodist_toolexeclib_HEADERS = libgomp.spec
@LIBGOMP_BUILD_VERSIONED_SHLIB_FALSE@libgomp_version_script = 
@LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgomp_version_script = -Wl,--version-script,libgomp.ver
@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgomp_version_script = -Wl,-M,libgomp.ver-sun
+@LIBGOMP_BUILD_VERSIONED_SHLIB_FALSE@libgompd_version_script = 
+@LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgompd_version_script = -Wl,--version-script,libgompd.ver
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgompd_version_script = -Wl,-M,libgompd.ver-sun
@LIBGOMP_BUILD_VERSIONED_SHLIB_FALSE@libgomp_version_dep = 
@LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgomp_version_dep = libgomp.ver
@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgomp_version_dep = libgomp.ver-sun
+@LIBGOMP_BUILD_VERSIONED_SHLIB_FALSE@libgompd_version_dep = 
+@LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgompd_version_dep = libgompd.ver
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgompd_version_dep = libgompd.ver-sun
 libgomp_version_info = -version-info $(libtool_VERSION)
+libgompd_version_info = -version-info $(libtool_VERSION)
 libgomp_la_LDFLAGS = $(libgomp_version_info) $(libgomp_version_script) \
        $(lt_host_flags)

+libgompd_la_LDFLAGS = $(libgompd_version_info) $(libgompd_version_script) \
+        $(lt_host_flags)
+
 libgomp_la_LIBADD = $(DL_LIBS)
+libgompd_la_LIBADD = 
 libgomp_la_DEPENDENCIES = $(libgomp_version_dep)
+libgompd_la_DEPENDENCIES = $(libgompd_version_dep)
 libgomp_la_LINK = $(LINK) $(libgomp_la_LDFLAGS)
+libgompd_la_LINK = $(LINK) $(libgompd_la_LDFLAGS)
 libgomp_la_SOURCES = alloc.c atomic.c barrier.c critical.c env.c \
 	error.c icv.c icv-device.c iter.c iter_ull.c loop.c loop_ull.c \
 	ordered.c parallel.c scope.c sections.c single.c task.c team.c \
@@ -565,7 +582,8 @@ libgomp_la_SOURCES = alloc.c atomic.c barrier.c critical.c env.c \
 	oacc-parallel.c oacc-host.c oacc-init.c oacc-mem.c \
 	oacc-async.c oacc-plugin.c oacc-cuda.c priority_queue.c \
 	affinity-fmt.c teams.c allocator.c oacc-profiling.c \
-	oacc-target.c $(am__append_7)
+	oacc-target.c ompd-support.c $(am__append_7)
+libgompd_la_SOURCES = ompd-init.c ompd-helper.c ompd-icv.c

 # Nvidia PTX OpenACC plugin.
@PLUGIN_NVPTX_TRUE@libgomp_plugin_nvptx_version_info = -version-info $(libtool_VERSION)
@@ -591,7 +609,7 @@ libgomp_la_SOURCES = alloc.c atomic.c barrier.c critical.c env.c \
@PLUGIN_GCN_TRUE@libgomp_plugin_gcn_la_LIBADD = libgomp.la $(DL_LIBS)
@PLUGIN_GCN_TRUE@libgomp_plugin_gcn_la_LIBTOOLFLAGS = --tag=disable-static
 nodist_noinst_HEADERS = libgomp_f.h
-nodist_libsubinclude_HEADERS = omp.h openacc.h acc_prof.h
+nodist_libsubinclude_HEADERS = omp.h openacc.h acc_prof.h omp-tools.h ompd-types.h
@USE_FORTRAN_TRUE@nodist_finclude_HEADERS = omp_lib.h omp_lib.f90 omp_lib.mod omp_lib_kinds.mod \
@USE_FORTRAN_TRUE@	openacc_lib.h openacc.f90 openacc.mod openacc_kinds.mod

@@ -688,6 +706,10 @@ omp_lib.f90: $(top_builddir)/config.status $(srcdir)/omp_lib.f90.in
 	cd $(top_builddir) && $(SHELL) ./config.status $@
 libgomp_f.h: $(top_builddir)/config.status $(srcdir)/libgomp_f.h.in
 	cd $(top_builddir) && $(SHELL) ./config.status $@
+omp-tools.h: $(top_builddir)/config.status $(srcdir)/omp-tools.h.in
+	cd $(top_builddir) && $(SHELL) ./config.status $@
+ompd-types.h: $(top_builddir)/config.status $(srcdir)/ompd-types.h.in
+	cd $(top_builddir) && $(SHELL) ./config.status $@
 libgomp.spec: $(top_builddir)/config.status $(srcdir)/libgomp.spec.in
 	cd $(top_builddir) && $(SHELL) ./config.status $@

@@ -735,6 +757,9 @@ libgomp-plugin-nvptx.la: $(libgomp_plugin_nvptx_la_OBJECTS) $(libgomp_plugin_nvp
 libgomp.la: $(libgomp_la_OBJECTS) $(libgomp_la_DEPENDENCIES) $(EXTRA_libgomp_la_DEPENDENCIES) 
 	$(AM_V_GEN)$(libgomp_la_LINK) -rpath $(toolexeclibdir) $(libgomp_la_OBJECTS) $(libgomp_la_LIBADD) $(LIBS)

+libgompd.la: $(libgompd_la_OBJECTS) $(libgompd_la_DEPENDENCIES) $(EXTRA_libgompd_la_DEPENDENCIES) 
+	$(AM_V_GEN)$(libgompd_la_LINK) -rpath $(toolexeclibdir) $(libgompd_la_OBJECTS) $(libgompd_la_LIBADD) $(LIBS)
+
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)

@@ -772,6 +797,10 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/oacc-plugin.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/oacc-profiling.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/oacc-target.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ompd-helper.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ompd-icv.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ompd-init.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ompd-support.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ordered.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/parallel.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/priority_queue.Plo@am__quote@
@@ -1374,6 +1403,10 @@ vpath % $(strip $(search_path))
@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgomp.ver: $(top_srcdir)/libgomp.map
@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	$(EGREP) -v '#(#| |$$)' $< | \
@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	  $(PREPROCESS) -P -include config.h - > $@ || (rm -f $@ ; exit 1)
+
+@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgompd.ver: $(top_srcdir)/libgompd.map
+@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	$(EGREP) -v '#(#| |$$)' $< | \
+@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	  $(PREPROCESS) -P -include config.h - > $@ || (rm -f $@ ; exit 1)
@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgomp.ver-sun : libgomp.ver \
@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@		$(top_srcdir)/../contrib/make_sunver.pl \
@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@		$(libgomp_la_OBJECTS) $(libgomp_la_LIBADD)
@@ -1383,6 +1416,15 @@ vpath % $(strip $(search_path))
@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	 `echo $(libgomp_la_LIBADD) | \
@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	    sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	 > $@ || (rm -f $@ ; exit 1)
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@libgompd.ver-sun : libgompd.ver \
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@		$(top_srcdir)/../contrib/make_sunver.pl \
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@		$(libgompd_la_OBJECTS) $(libgompd_la_LIBADD)
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	perl $(top_srcdir)/../contrib/make_sunver.pl \
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	  libgompd.ver \
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	  $(libgompd_la_OBJECTS:%.lo=.libs/%.o) \
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	 `echo $(libgompd_la_LIBADD) | \
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	    sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
+@LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE@@LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE@	 > $@ || (rm -f $@ ; exit 1)

 omp_lib_kinds.mod: omp_lib.mod
 	:
--- a/libgomp/config/darwin/plugin-suffix.h
+++ b/libgomp/config/darwin/plugin-suffix.h
@@ -23,4 +23,4 @@
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

-#define SONAME_SUFFIX(n) ("." #n ".dylib")
+#define SONAME_SUFFIX(n) "." #n ".dylib"
--- a/libgomp/config/hpux/plugin-suffix.h
+++ b/libgomp/config/hpux/plugin-suffix.h
@@ -23,4 +23,4 @@
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

-#define SONAME_SUFFIX(n) (".sl." #n)
+#define SONAME_SUFFIX(n) ".sl." #n
--- a/libgomp/config/posix/plugin-suffix.h
+++ b/libgomp/config/posix/plugin-suffix.h
@@ -23,4 +23,4 @@
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

-#define SONAME_SUFFIX(n) (".so." #n)
+#define SONAME_SUFFIX(n) ".so." #n
--- a/libgomp/configure
+++ b/libgomp/configure
@@ -16980,7 +16980,7 @@ fi



-ac_config_files="$ac_config_files omp.h omp_lib.h omp_lib.f90 libgomp_f.h"
+ac_config_files="$ac_config_files omp.h omp_lib.h omp_lib.f90 libgomp_f.h omp-tools.h ompd-types.h"

 ac_config_files="$ac_config_files Makefile testsuite/Makefile libgomp.spec"

@@ -18137,6 +18137,8 @@ do
    "omp_lib.h") CONFIG_FILES="$CONFIG_FILES omp_lib.h" ;;
    "omp_lib.f90") CONFIG_FILES="$CONFIG_FILES omp_lib.f90" ;;
    "libgomp_f.h") CONFIG_FILES="$CONFIG_FILES libgomp_f.h" ;;
+    "omp-tools.h") CONFIG_FILES="$CONFIG_FILES omp-tools.h" ;;
+    "ompd-types.h") CONFIG_FILES="$CONFIG_FILES ompd-types.h" ;;
    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
    "testsuite/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/Makefile" ;;
    "libgomp.spec") CONFIG_FILES="$CONFIG_FILES libgomp.spec" ;;
--- a/libgomp/configure.ac
+++ b/libgomp/configure.ac
@@ -472,7 +472,7 @@ CFLAGS="$save_CFLAGS"
 # Determine what GCC version number to use in filesystem paths.
 GCC_BASE_VER

-AC_CONFIG_FILES(omp.h omp_lib.h omp_lib.f90 libgomp_f.h)
+AC_CONFIG_FILES(omp.h omp_lib.h omp_lib.f90 libgomp_f.h omp-tools.h ompd-types.h)
 AC_CONFIG_FILES(Makefile testsuite/Makefile libgomp.spec)
 AC_CONFIG_FILES([testsuite/libgomp-test-support.pt.exp:testsuite/libgomp-test-support.exp.in])
 AC_CONFIG_FILES([testsuite/libgomp-site-extra.exp])
--- a/libgomp/env.c
+++ b/libgomp/env.c
@@ -33,6 +33,7 @@
 #ifndef LIBGOMP_OFFLOADED_ONLY
 #include "libgomp_f.h"
 #include "oacc-int.h"
+#include "ompd-support.h"
 #include <ctype.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -89,6 +90,7 @@ void **gomp_places_list;
 unsigned long gomp_places_list_len;
 uintptr_t gomp_def_allocator = omp_default_mem_alloc;
 int gomp_debug_var;
+int gompd_enabled;
 unsigned int gomp_num_teams_var;
 int gomp_nteams_var;
 int gomp_teams_thread_limit_var;
@@ -418,6 +420,38 @@ parse_target_offload (const char *name, enum gomp_target_offload_t *offload)
  gomp_error ("Invalid value for environment variable OMP_TARGET_OFFLOAD");
 }

+/* Parse OMP_DEBUG environment variable.  */
+
+static void
+parse_debug (const char *name, int *debug_value)
+{
+  const char *env;
+  int ret = -1;
+  env = getenv (name);
+  if (env == NULL)
+    return;
+  while (isspace ((unsigned char) *env))
+    ++env;
+  if (strncasecmp (env, "enabled", 7) == 0)
+    {
+      env += 7;
+      ret = 1;
+    }
+  else if (strncasecmp (env, "disabled", 8) == 0)
+    {
+      env += 8;
+      ret = 0;
+    }
+  while (isspace ((unsigned char) *env))
+    ++env;
+  if (ret != -1 && *env == '\0')
+    {
+      *debug_value = ret;
+      return;
+    }
+  gomp_error ("Invalid value for environment variable OMP_DEBUG");
+}
+
 /* Parse environment variable set to a boolean or list of omp_proc_bind_t
   enum values.  Return true if one was present and it was successfully
   parsed.  */
@@ -1483,6 +1517,9 @@ initialize_env (void)
 	= thread_limit_var > INT_MAX ? UINT_MAX : thread_limit_var;
    }
  parse_int_secure ("GOMP_DEBUG", &gomp_debug_var, true);
+  parse_debug ("OMP_DEBUG", &gompd_enabled);
+  if (gompd_enabled == 1)
+    gompd_load ();
 #ifndef HAVE_SYNC_BUILTINS
  gomp_mutex_init (&gomp_managed_threads_lock);
 #endif
--- a/libgomp/libgomp.map
+++ b/libgomp/libgomp.map
@@ -226,6 +226,20 @@ OMP_5.1 {
 	omp_get_teams_thread_limit_;
 } OMP_5.0.2;

+OMP_5.0.3 {
+  global:
+	ompd_dll_locations;
+	ompd_dll_locations_valid;
+	ompd_bp_parallel_begin;
+	ompd_bp_parallel_end;
+	ompd_bp_task_begin;
+	ompd_bp_task_end;
+	ompd_bp_thread_begin;
+	ompd_bp_thread_end;
+	ompd_bp_device_begin;
+	ompd_bp_device_end;
+} OMP_5.1;
+
 OMP_5.1.1 {
  global:
 	omp_get_mapped_ptr;
--- a/libgomp/libgompd.map
+++ b/libgomp/libgompd.map
@@ -0,0 +1,21 @@
+OMPD_5.1 {
+  global:
+    ompd_initialize;
+    ompd_get_api_version;
+    ompd_get_version_string;
+    ompd_process_initialize;
+    ompd_device_initialize;
+    ompd_rel_address_space_handle;
+    ompd_finalize;
+    ompd_enumerate_icvs;
+    ompd_get_icv_from_scope;
+    ompd_get_icv_string_from_scope;
+    ompd_get_thread_handle;
+    ompd_get_thread_in_parallel;
+    ompd_rel_thread_handle;
+    ompd_thread_handle_compare;
+    ompd_get_thread_id;
+    ompd_get_device_from_thread;
+  local:
+    *;
+};
--- a/libgomp/omp-tools.h.in
+++ b/libgomp/omp-tools.h.in
@@ -0,0 +1,287 @@
+/* Copyright (C) The GNU Toolchain Authors.
+   Contributed by Mohamed Atef <mohamedatef1698@gmail.com>.
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+   Libgomp 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, or (at your option)
+   any later version.
+   Libgomp 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.
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file contains data types and function declarations that
+   that are defined in OMPD standard.  */
+
+#ifndef _OMP_TOOLS_H
+#define _OMP_TOOLS_H
+
+#ifdef __cplusplus
+extern "C" {
+#define __GOMPD_NOTHROW throw ()
+#else
+#define __GOMPD_NOTHROW __attribute__((__nothrow__))
+#endif
+
+extern const char **ompd_dll_locations;
+
+extern void ompd_dll_locations_valid (void) __GOMPD_NOTHROW;
+
+typedef __UINT64_TYPE__ ompd_size_t;
+typedef __UINT64_TYPE__ ompd_wait_id_t;
+
+typedef __UINT64_TYPE__ ompd_addr_t;
+typedef __INT64_TYPE__ ompd_word_t;
+typedef __UINT64_TYPE__ ompd_seg_t;
+
+typedef struct ompd_address_t
+{
+  ompd_seg_t segment;
+  ompd_addr_t address;
+} ompd_address_t;
+
+typedef struct ompd_frame_info_t
+{
+  ompd_address_t frame_address;
+  ompd_word_t frame_flag;
+} ompd_frame_info_t;
+
+typedef __UINT64_TYPE__ ompd_device_t;
+typedef __UINT64_TYPE__ ompd_thread_id_t;
+
+typedef struct _ompd_aspace_handle ompd_address_space_handle_t;
+typedef struct _ompd_thread_handle ompd_thread_handle_t;
+typedef struct _ompd_parallel_handle ompd_parallel_handle_t;
+typedef struct _ompd_task_handle ompd_task_handle_t;
+
+typedef enum ompd_scope_t
+{
+  ompd_scope_global = 1,
+  ompd_scope_address_space = 2,
+  ompd_scope_thread = 3,
+  ompd_scope_parallel = 4,
+  ompd_scope_implicit_task = 5,
+  ompd_scope_task = 6
+} ompd_scope_t;
+
+typedef __UINT64_TYPE__ ompd_icv_id_t;
+
+typedef struct _ompd_aspace_cont ompd_address_space_context_t;
+typedef struct _ompd_thread_cont ompd_thread_context_t;
+
+typedef enum ompd_rc_t
+{
+  ompd_rc_ok = 0,
+  ompd_rc_unavailable = 1,
+  ompd_rc_stale_handle = 2,
+  ompd_rc_bad_input = 3,
+  ompd_rc_error = 4,
+  ompd_rc_unsupported = 5,
+  ompd_rc_needs_state_tracking = 6,
+  ompd_rc_incompatible = 7,
+  ompd_rc_device_read_error = 8,
+  ompd_rc_device_write_error = 9,
+  ompd_rc_nomem = 10,
+  ompd_rc_incomplete = 11,
+  ompd_rc_callback_error = 12
+} ompd_rc_t;
+
+
+typedef struct ompd_device_type_sizes_t
+{
+  __UINT8_TYPE__ sizeof_char;
+  __UINT8_TYPE__ sizeof_short;
+  __UINT8_TYPE__ sizeof_int;
+  __UINT8_TYPE__ sizeof_long;
+  __UINT8_TYPE__ sizeof_long_long;
+  __UINT8_TYPE__ sizeof_pointer;
+} ompd_device_type_sizes_t;
+
+
+typedef ompd_rc_t (*ompd_callback_memory_alloc_fn_t) (ompd_size_t,
+						      void **);
+typedef ompd_rc_t (*ompd_callback_memory_free_fn_t) (void *);
+
+typedef ompd_rc_t (*ompd_callback_get_thread_context_for_thread_id_fn_t)
+  (ompd_address_space_context_t *, ompd_thread_id_t,
+   ompd_size_t, const void *, ompd_thread_context_t **);
+
+
+typedef ompd_rc_t (*ompd_callback_sizeof_fn_t) (ompd_address_space_context_t *,
+						ompd_device_type_sizes_t *);
+
+
+typedef ompd_rc_t (*ompd_callback_symbol_addr_fn_t)
+  (ompd_address_space_context_t *, ompd_thread_context_t *, const char *,
+   ompd_address_t *, const char *);
+
+typedef ompd_rc_t (*ompd_callback_memory_read_fn_t)
+  (ompd_address_space_context_t *, ompd_thread_context_t *,
+   const ompd_address_t *, ompd_size_t nbytes, void *);
+
+
+typedef ompd_rc_t (*ompd_callback_memory_write_fn_t)
+  (ompd_address_space_context_t *, ompd_thread_context_t *,
+   const ompd_address_t *, ompd_size_t, const void *);
+
+typedef ompd_rc_t (*ompd_callback_device_host_fn_t)
+  (ompd_address_space_context_t *, const void *,
+   ompd_size_t, ompd_size_t, void *);
+
+typedef ompd_rc_t (*ompd_callback_print_string_fn_t) (const char *, int);
+
+typedef struct ompd_callbacks_t
+{
+  ompd_callback_memory_alloc_fn_t alloc_memory;
+  ompd_callback_memory_free_fn_t free_memory;
+  ompd_callback_print_string_fn_t print_string;
+  ompd_callback_sizeof_fn_t sizeof_type;
+  ompd_callback_symbol_addr_fn_t symbol_addr_lookup;
+  ompd_callback_memory_read_fn_t read_memory;
+  ompd_callback_memory_write_fn_t write_memory;
+  ompd_callback_memory_read_fn_t read_string;
+  ompd_callback_device_host_fn_t device_to_host;
+  ompd_callback_device_host_fn_t host_to_device;
+  ompd_callback_get_thread_context_for_thread_id_fn_t
+    get_thread_context_for_thread_id;
+} ompd_callbacks_t;
+
+ompd_rc_t ompd_initialize (ompd_word_t, const ompd_callbacks_t *)
+			   __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_api_version (ompd_word_t *) __GOMPD_NOTHROW;
+ompd_rc_t ompd_get_version_string (const char **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_finalize (void) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_process_initialize (ompd_address_space_context_t *,
+				   ompd_address_space_handle_t **)
+				   __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_device_initialize (ompd_address_space_handle_t *,
+				  ompd_address_space_context_t *, ompd_device_t,
+				  ompd_size_t, void *,
+				  ompd_address_space_handle_t **)
+				  __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_rel_address_space_handle (ompd_address_space_handle_t *)
+					 __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_omp_version (ompd_address_space_handle_t *,
+				ompd_word_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_omp_version_string (ompd_address_space_handle_t *,
+				       const char **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_thread_in_parallel (ompd_parallel_handle_t *, int,
+				       ompd_thread_handle_t **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_thread_handle (ompd_address_space_handle_t *,
+				  ompd_thread_id_t, ompd_size_t,const void *,
+				  ompd_thread_handle_t **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_rel_thread_handle (ompd_thread_handle_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_thread_handle_compare (ompd_thread_handle_t *,
+				      ompd_thread_handle_t *,
+				      int *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_thread_id (ompd_thread_handle_t *, ompd_thread_id_t,
+			      ompd_size_t, void *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_curr_parallel_handle (ompd_thread_handle_t *,
+					 ompd_parallel_handle_t **)
+					 __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_enclosing_parallel_handle (ompd_parallel_handle_t *,
+					      ompd_parallel_handle_t **)
+					      __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_task_parallel_handle (ompd_task_handle_t *,
+					 ompd_parallel_handle_t **)
+					 __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_rel_parallel_handle (ompd_parallel_handle_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_parallel_handle_compare (ompd_parallel_handle_t *,
+					ompd_parallel_handle_t *,
+					int *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_curr_task_handle (ompd_thread_handle_t *,
+				     ompd_task_handle_t **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_generating_task_handle (ompd_task_handle_t *,
+					   ompd_task_handle_t **)
+					   __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_scheduling_task_handle (ompd_task_handle_t *,
+					   ompd_task_handle_t **)
+					   __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_task_in_parallel (ompd_parallel_handle_t *, int,
+				     ompd_task_handle_t **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_rel_task_handle (ompd_task_handle_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_task_handle_compare (ompd_task_handle_t *, ompd_task_handle_t *,
+				    int *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_task_function (ompd_task_handle_t *,
+				  ompd_address_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_task_frame (ompd_task_handle_t *, ompd_frame_info_t *,
+			       ompd_frame_info_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_enumerate_states (ompd_address_space_handle_t *, ompd_word_t,
+				 ompd_word_t *, const char **,
+				 ompd_word_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_state (ompd_thread_handle_t *, ompd_word_t *,
+			  ompd_wait_id_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_display_control_vars (ompd_address_space_handle_t *,
+					 const char * const **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_rel_display_control_vars (const char * const **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_enumerate_icvs (ompd_address_space_handle_t *, ompd_icv_id_t,
+			       ompd_icv_id_t *, const char **, ompd_scope_t *,
+			       int *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_icv_from_scope (void *, ompd_scope_t, ompd_icv_id_t,
+				   ompd_word_t *) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_icv_string_from_scope (void *, ompd_scope_t, ompd_icv_id_t,
+					  const char **) __GOMPD_NOTHROW;
+
+ompd_rc_t ompd_get_tool_data (void *, ompd_scope_t, ompd_word_t *,
+			      ompd_address_t *) __GOMPD_NOTHROW;
+
+extern void ompd_bp_parallel_begin (void) __GOMPD_NOTHROW;
+extern void ompd_bp_parallel_end (void) __GOMPD_NOTHROW;
+
+extern void ompd_bp_task_begin (void) __GOMPD_NOTHROW;
+extern void ompd_bp_task_end (void) __GOMPD_NOTHROW;
+
+extern void ompd_bp_thread_begin (void) __GOMPD_NOTHROW;
+extern void ompd_bp_thread_end (void) __GOMPD_NOTHROW;
+
+extern void ompd_bp_device_begin (void) __GOMPD_NOTHROW;
+extern void ompd_bp_device_end (void) __GOMPD_NOTHROW;
+
+#define ompd_segment_none  ((ompd_seg_t) 0)
+#define ompd_icv_undefined ((ompd_icv_id_t) 0)
+
+#ifdef __cplusplus
+}; // extern "C"
+#endif
+
+#endif /* _OMP_TOOLS_H */
--- a/libgomp/ompd-helper.c
+++ b/libgomp/ompd-helper.c
@@ -0,0 +1,626 @@
+/* Copyright (C) The GNU Toolchain Authors.
+   Contributed by Mohamed Atef <mohamedatef1698@gmail.com>.
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+   Libgomp 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, or (at your option)
+   any later version.
+   Libgomp 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.
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file contains the source code of functions
+   declared in ompd-helper.h.  */
+
+#include "ompd-helper.h"
+
+ompd_device_type_sizes_t target_sizes;
+
+/* Get global ICVs.  */
+ompd_rc_t
+gompd_get_cancellation (ompd_address_space_handle_t *ah,
+			ompd_word_t *cancel_var)
+{
+  CHECK (ah);
+  ompd_word_t cancel = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_cancel_var", cancel, cancel,
+	     target_sizes.sizeof_char, 1, ret, symbol_addr);
+  *cancel_var = cancel;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_max_task_priority (ompd_address_space_handle_t *ah,
+			     ompd_word_t *task_p)
+{
+  CHECK (ah);
+  ompd_word_t task_priority = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_max_task_priority_var", task_priority,
+	     task_priority, target_sizes.sizeof_int, 1, ret, symbol_addr);
+  *task_p = task_priority;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_stacksize (ompd_address_space_handle_t *ah, ompd_word_t *stacksize)
+{
+  CHECK (ah);
+  ompd_word_t stack_var = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "stacksize", stack_var, stack_var,
+	     target_sizes.sizeof_long, 1, ret, symbol_addr);
+  *stacksize = stack_var;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_debug (ompd_address_space_handle_t *ah, ompd_word_t *debug_var)
+{
+  CHECK (ah);
+  ompd_word_t debug = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_debug_var", debug, debug,
+	     target_sizes.sizeof_int, 1, ret, symbol_addr);
+  *debug_var = debug;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_display_affinity (ompd_address_space_handle_t *ah, ompd_word_t *aff)
+{
+  CHECK (ah);
+  ompd_word_t affin = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_display_affinity_var", affin, affin,
+	     target_sizes.sizeof_char, 1, ret, symbol_addr);
+  *aff = affin;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_affinity_format_len (ompd_address_space_handle_t *ah,
+			       ompd_word_t *len)
+{
+  CHECK (ah);
+  ompd_word_t len_var = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_affinity_format_len", len_var, len_var,
+	     target_sizes.sizeof_int, 1, ret, symbol_addr);
+  *len = len_var;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_affinity_format (ompd_address_space_handle_t *ah, const char **string)
+{
+  CHECK (ah);
+  ompd_word_t len = 100;
+  ompd_rc_t ret;
+  char *temp_str;
+  ompd_word_t addr;
+  ret = callbacks->alloc_memory (len + 1, (void **) &temp_str);
+  CHECK_RET (ret);
+  temp_str[len] = '\0';
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  ret = callbacks->symbol_addr_lookup (ah->context, NULL,
+				       "gomp_affinity_format_var", &symbol_addr,
+				       NULL);
+  CHECK_RET (ret);
+  ret = callbacks->read_memory (ah->context, NULL, &symbol_addr,
+				target_sizes.sizeof_pointer, &addr);
+  CHECK_RET (ret);
+  symbol_addr.address = addr;
+  ret = callbacks->read_string (ah->context, NULL, &symbol_addr, len,
+				(void *) temp_str);
+  CHECK_RET (ret);
+  ret = callbacks->device_to_host (ah->context, &temp_str,
+				   target_sizes.sizeof_char, len, &temp_str);
+  *string = temp_str;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_wait_policy (ompd_address_space_handle_t *ah,
+		       ompd_word_t *wait_policy)
+{
+  CHECK (ah);
+  ompd_word_t wait_p = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "wait_policy", wait_p, wait_p,
+	     target_sizes.sizeof_int, 1, ret, symbol_addr);
+  *wait_policy = wait_p;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_num_teams (ompd_address_space_handle_t *ah, ompd_word_t *num_teams)
+{
+  CHECK (ah);
+  ompd_word_t num_t = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_num_teams_var", num_t, num_t,
+	     target_sizes.sizeof_int, 1, ret, symbol_addr);
+  *num_teams = num_t;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_teams_thread_limit (ompd_address_space_handle_t *ah,
+			      ompd_word_t *thread_limit)
+{
+  CHECK (ah);
+  ompd_word_t thr_lim = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_teams_thread_limit_var", thr_lim, thr_lim,
+	     target_sizes.sizeof_int, 1, ret, symbol_addr);
+  *thread_limit = thr_lim;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_spin_count (ompd_address_space_handle_t *ah, ompd_word_t *spin_count)
+{
+  CHECK (ah);
+  ompd_word_t spins = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_spin_count_var", spins, spins,
+	     target_sizes.sizeof_long_long, 1, ret, symbol_addr);
+  *spin_count = spins;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_available_cpus (ompd_address_space_handle_t *ah, ompd_word_t *procs)
+{
+  CHECK (ah);
+  ompd_word_t cpus = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_available_cpus", cpus, cpus,
+	     target_sizes.sizeof_long, 1, ret, symbol_addr);
+  *procs = cpus;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_throttled_spin_count (ompd_address_space_handle_t *ah,
+				ompd_word_t *throt)
+{
+  CHECK (ah);
+  ompd_word_t temp = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_throttled_spin_count_var", temp, temp,
+	     target_sizes.sizeof_long_long, 1, ret, symbol_addr);
+  *throt = temp;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_managed_threads (ompd_address_space_handle_t *ah, ompd_word_t *man_th)
+{
+  CHECK (ah);
+  ompd_word_t temp = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gomp_managed_threads", temp, temp,
+	     target_sizes.sizeof_long, 1, ret, symbol_addr);
+  *man_th = temp;
+  return ret;
+}
+
+ompd_rc_t
+gompd_get_gompd_enabled (ompd_address_space_handle_t *ah, const char **string)
+{
+  CHECK (ah);
+  ompd_word_t temp = 0;
+  ompd_rc_t ret;
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (ah->context, NULL, "gompd_enabled", temp, temp,
+	     target_sizes.sizeof_int, 1, ret, symbol_addr);
+  static const char *temp_string = "disabled";
+  if (temp == 1)
+    temp_string = "enabled";
+  else if (temp == -1)
+    temp_string = "undefined";
+  *string = temp_string;
+  return ret;
+}
+/* End of global ICVs functions.  */
+
+/* Get per thread ICVs.  */
+ompd_rc_t
+gompd_get_nthread (ompd_thread_handle_t *thread_handle,
+		   ompd_word_t *nthreads_var)
+{
+  /* gomp_thread->task->gomp_task_icv.nthreads_var.  */
+  if (thread_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (nthreads_var == NULL)
+    return ompd_rc_bad_input;
+  CHECK (thread_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = thread_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = thread_handle->ah->context;
+  ompd_thread_context_t *t_context = thread_handle->thread_context;
+  ompd_rc_t ret;
+  /* gomp_thread->task.  */
+  ACCESS_VALUE (context, t_context, "gompd_access_gomp_thread_task",
+		temp_offset, 1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_thread->task->task_icv.  */
+  ACCESS_VALUE (context, t_context, "gompd_access_gomp_task_icv", temp_offset,
+		1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_thread->task->task_icv.nthreads_var.  */
+  ACCESS_VALUE (context, t_context, "gompd_access_gomp_task_icv_nthreads_var",
+		temp_offset, 0, ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, t_context, symbol_addr, target_sizes.sizeof_long_long,
+	       1, res, ret, 0);
+  *nthreads_var = res;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+gompd_get_default_device (ompd_thread_handle_t *thread_handle,
+			  ompd_word_t *default_device_var)
+{
+  /* gomp_thread->task->gomp_task_icv.default_device_var.  */
+  if (thread_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (default_device_var == NULL)
+    return ompd_rc_bad_input;
+  CHECK (thread_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = thread_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = thread_handle->ah->context;
+  ompd_thread_context_t *t_context = thread_handle->thread_context;
+  ompd_rc_t ret;
+  /* gomp_thread->task.  */
+  ACCESS_VALUE (context, t_context, "gompd_access_gomp_thread_task",
+		temp_offset, 1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_thread->task->task_icv.  */
+  ACCESS_VALUE (context, t_context, "gompd_access_gomp_task_icv", temp_offset,
+		1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_thread->task->task_icv.default_device_var.  */
+  ACCESS_VALUE (context, t_context,
+		"gompd_access_gomp_task_icv_default_device_var", temp_offset, 0,
+		ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, t_context, symbol_addr, target_sizes.sizeof_int, 1,
+	       res, ret, 0);
+  *default_device_var = res;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+gompd_get_dynamic (ompd_thread_handle_t *thread_handle, ompd_word_t *dyn_var)
+{
+  /* gomp_thread->task->gomp_task_icv.dyn_var.  */
+  if (thread_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (dyn_var == NULL)
+    return ompd_rc_bad_input;
+  CHECK (thread_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = thread_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = thread_handle->ah->context;
+  ompd_thread_context_t *t_context = thread_handle->thread_context;
+  ompd_rc_t ret;
+  /* gomp_thread->task.  */
+  ACCESS_VALUE (context, t_context, "gompd_access_gomp_thread_task",
+		temp_offset, 1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_thread->task->task_icv.  */
+  ACCESS_VALUE (context, t_context, "gompd_access_gomp_task_icv", temp_offset,
+		1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_thread->task->task_icv.dyn_var.  */
+  ACCESS_VALUE (context, t_context, "gompd_access_gomp_task_icv_dyn_var",
+		temp_offset, 0, ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, t_context, symbol_addr, target_sizes.sizeof_char, 1,
+	       res, ret, 0);
+  *dyn_var = res;
+  return ompd_rc_ok;
+}
+/* End of per thread ICVs.  */
+
+
+/* Get per task ICVs.  */
+
+ompd_rc_t
+gompd_get_thread_limit (ompd_task_handle_t *task_handle,
+			ompd_word_t *thread_limit_var)
+{
+  /* gomp_task->gomp_task_icv.thread_limit_var.  */
+  if (task_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (thread_limit_var == NULL)
+    return ompd_rc_bad_input;
+  CHECK (task_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = task_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = task_handle->ah->context;
+  ompd_rc_t ret;
+  /* gomp_task->task_icv.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_icv", temp_offset,
+		1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_task->task_icv.thread_limit_var.  */
+  ACCESS_VALUE (context, NULL,
+		"gompd_access_gomp_task_icv_thread_limit_var", temp_offset, 0,
+		ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, NULL, symbol_addr, target_sizes.sizeof_int, 1,
+	       res, ret, 0);
+  *thread_limit_var = res;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+gompd_get_run_sched_chunk_size (ompd_task_handle_t *task_handle,
+				ompd_word_t *run_sched_chunk_size)
+{
+  /* gomp_task->gomp_task_icv.run_sched_chunk_size.  */
+  if (task_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (run_sched_chunk_size == NULL)
+    return ompd_rc_bad_input;
+  CHECK (task_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = task_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = task_handle->ah->context;
+  ompd_rc_t ret;
+  /* gomp_task->task_icv.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_icv", temp_offset,
+		1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_task->task_icv.run_sched_chunk_size.  */
+  ACCESS_VALUE (context, NULL,
+		"gompd_access_gomp_task_icv_run_sched_chunk_size", temp_offset,
+		0, ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, NULL, symbol_addr, target_sizes.sizeof_int, 1,
+	       res, ret, 0);
+  *run_sched_chunk_size = res;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+gompd_get_run_sched (ompd_task_handle_t *task_handle,
+		     ompd_word_t *run_sched_var)
+{
+  /* gomp_task->gomp_task_icv.run_sched_var.  */
+  if (task_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (run_sched_var == NULL)
+    return ompd_rc_bad_input;
+  CHECK (task_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = task_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = task_handle->ah->context;
+  ompd_rc_t ret;
+  /* gomp_task->task_icv.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_icv", temp_offset,
+		1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_task->task_icv.run_sched_var.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_icv_run_sched_var",
+		temp_offset, 0, ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, NULL, symbol_addr, target_sizes.sizeof_int, 1,
+	       res, ret, 0);
+  *run_sched_var = res;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+gompd_get_max_active_levels (ompd_task_handle_t *task_handle,
+			     ompd_word_t *max_active_levels_var)
+{
+  /* gomp_task->gomp_task_icv.max_active_levels_var.  */
+  if (task_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (max_active_levels_var == NULL)
+    return ompd_rc_bad_input;
+  CHECK (task_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = task_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = task_handle->ah->context;
+  ompd_rc_t ret;
+  /* gomp_task->task_icv.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_icv", temp_offset,
+		1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_task->task_icv.run_sched_var.  */
+  ACCESS_VALUE (context, NULL,
+		"gompd_access_gomp_task_icv_max_active_levels_var", temp_offset,
+		0, ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, NULL, symbol_addr, target_sizes.sizeof_char, 1,
+	       res, ret, 0);
+  *max_active_levels_var = res;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+gompd_get_proc_bind (ompd_task_handle_t *task_handle, const char **bind_var)
+{
+  /* gomp_task->gomp_task_icv.bind_var.  */
+  if (task_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (bind_var == NULL)
+    return ompd_rc_bad_input;
+  CHECK (task_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = task_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = task_handle->ah->context;
+  ompd_rc_t ret;
+  /* gomp_task->task_icv.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_icv", temp_offset,
+		1, ret, symbol_addr, temp_sym_addr, temp_addr);
+  /* gomp_task->task_icv.bind_var.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_icv_bind_var",
+		temp_offset, 0, ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, NULL, symbol_addr, target_sizes.sizeof_char, 1,
+	       res, ret, 0);
+  static const char *temp_string = "undefined";
+  if (res == 0)
+    temp_string = "FALSE";
+  else if (res == 1)
+    temp_string = "TRUE";
+  else if (res == 2)
+    temp_string = "PRIMARY";
+  else if (res == 3)
+    temp_string = "CLOSE";
+  else if (res == 4)
+    temp_string = "SPREAD";
+  else
+    return ompd_rc_error;
+  *bind_var = temp_string;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+gompd_is_final (ompd_task_handle_t *task_handle, ompd_word_t *final_task)
+{
+  /* gomp_task->final_task.  */
+  if (task_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (final_task == NULL)
+    return ompd_rc_bad_input;
+  CHECK (task_handle->ah);
+
+  ompd_word_t res = 0;
+  ompd_address_t symbol_addr = task_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = task_handle->ah->context;
+  ompd_rc_t ret;
+  /* gomp_task->final_task.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_final_task", temp_offset,
+		0, ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, NULL, symbol_addr, target_sizes.sizeof_char, 1,
+	       res, ret, 0);
+  *final_task = res;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+gompd_is_implicit (ompd_task_handle_t *task_handle, ompd_word_t *task_kind)
+{
+  /* gomp_task->kind.  */
+  if (task_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (task_kind == NULL)
+    return ompd_rc_bad_input;
+  CHECK (task_handle->ah);
+
+  ompd_word_t res = -1;
+  ompd_address_t symbol_addr = task_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = task_handle->ah->context;
+  ompd_rc_t ret;
+  /* gomp_task->kind.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_task_kind", temp_offset, 0,
+		ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, NULL, symbol_addr, target_sizes.sizeof_int, 1, res,
+	       ret, 0);
+  /* if task is implicit, then res = 0.  */
+  res = res ? -1: 0;
+  *task_kind = res;
+  return ompd_rc_ok;
+}
+/* End of task ICVs.  */
+
+/* Get per parallel handle ICVs.  */
+ompd_rc_t
+gompd_get_team_size (ompd_parallel_handle_t *parallel_handle,
+		     ompd_word_t *nthreads)
+{
+  /* gomp_team->nthreads.  */
+  if (parallel_handle == NULL)
+    return ompd_rc_stale_handle;
+  if (nthreads == NULL)
+    return ompd_rc_bad_input;
+  CHECK (parallel_handle->ah);
+
+  ompd_word_t res = -1;
+  ompd_address_t symbol_addr = parallel_handle->th;
+  ompd_word_t temp_offset;
+  ompd_address_t temp_sym_addr;
+  ompd_addr_t temp_addr;
+  ompd_address_space_context_t *context = parallel_handle->ah->context;
+  ompd_rc_t ret;
+  /* gomp_team->nthreads.  */
+  ACCESS_VALUE (context, NULL, "gompd_access_gomp_team_nthreads", temp_offset,
+		0, ret, symbol_addr, temp_sym_addr, temp_addr);
+  DEREFERENCE (context, NULL, symbol_addr, target_sizes.sizeof_int, 1,
+	       res, ret, 0);
+  *nthreads = res;
+  return ompd_rc_ok;
+}
+/* End of parallel handle ICVs.  */
+
+ompd_rc_t
+gompd_get_sizes (ompd_address_space_context_t *context)
+{
+  if (context == NULL)
+    return ompd_rc_bad_input;
+
+  static bool inited = false;
+  static ompd_rc_t ret;
+
+  if (inited)
+    return ret;
+
+  ret = callbacks->sizeof_type (context, &target_sizes);
+  if (ret != ompd_rc_ok)
+    return ret;
+
+  inited = true;
+  return ret;
+}
--- a/libgomp/ompd-helper.h
+++ b/libgomp/ompd-helper.h
@@ -0,0 +1,225 @@
+/* Copyright (C) The GNU Toolchain Authors.
+   Contributed by Mohamed Atef <mohamedatef1698@gmail.com>.
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+   Libgomp 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, or (at your option)
+   any later version.
+   Libgomp 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.
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file contains data types and declarations of functions that are not
+   provided by the book but we find them necessary.  */
+
+#ifndef _OMPD_HELPER_H
+#define _OMPD_HELPER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "omp-tools.h"
+#include "ompd-types.h"
+#include "config.h"
+#include <assert.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <string.h>
+#include <stdbool.h>
+
+#define stringize(x) stringize1(x)
+#define stringize1(x) #x
+
+#define OMPD_VERSION 202011
+
+extern const ompd_callbacks_t *callbacks;
+extern __UINT64_TYPE__ gompd_state;
+extern ompd_device_type_sizes_t target_sizes;
+
+typedef struct _ompd_aspace_handle
+{
+  ompd_address_space_context_t *context;
+  ompd_device_t kind;
+} ompd_address_space_handle_t;
+
+typedef struct _ompd_thread_handle
+{
+  ompd_address_space_handle_t *ah;
+  ompd_thread_context_t *thread_context;
+  ompd_address_t th;
+} ompd_thread_handle_t;
+
+typedef struct _ompd_parallel_handle
+{
+  ompd_address_space_handle_t *ah;
+  ompd_address_t th;
+} ompd_parallel_handle_t;
+
+typedef struct _ompd_task_handle
+{
+  ompd_address_space_handle_t *ah;
+  ompd_address_t th;
+} ompd_task_handle_t;
+
+#define CHECK_RET(ret) \
+ do { \
+   if (ret != ompd_rc_ok) \
+     return ret; \
+ } while (0)
+
+#define GET_VALUE(context, thread_context, name, output, dist_buf, size, \
+  count, ret, symbol_addr) \
+  do { \
+    ret = callbacks->symbol_addr_lookup (context, thread_context, name, \
+					 &symbol_addr, NULL); \
+    CHECK_RET (ret); \
+    ret = callbacks->read_memory (context, thread_context, &symbol_addr, size, \
+				  &dist_buf); \
+    CHECK_RET (ret); \
+    ret = callbacks->device_to_host (context, &dist_buf, size, count, &output);\
+    CHECK_RET (ret); \
+  } while (0)
+
+#define DEREFERENCE(context, thread_context, symbol_addr, size, count,\
+  buff, ret, is_ptr) \
+  do {\
+    ret = callbacks->read_memory (context, thread_context, &symbol_addr, \
+				  size, &buff); \
+    CHECK_RET (ret); \
+    ret = callbacks->device_to_host (context, &buff, size, count, &buff); \
+    CHECK_RET (ret); \
+    if (is_ptr) \
+      symbol_addr.address = buff; \
+  } while (0);
+
+#define ACCESS_VALUE(context, thread_context, name, temp_offset, \
+  access_pointer, ret, symbol_addr, temp_sym_addr, temp_addr) \
+  do { \
+    GET_VALUE (context, thread_context, name, temp_offset, temp_offset, \
+	       target_sizes.sizeof_short, 1, ret, temp_sym_addr); \
+    symbol_addr.address += temp_offset; \
+    for (int i = 0; i < access_pointer; i++) \
+      DEREFERENCE (context, thread_context, symbol_addr, \
+		   target_sizes.sizeof_pointer, 1, temp_addr, ret, 1); \
+  } while (0);
+
+#define CHECK(ah) \
+  do {   \
+    if (ah == NULL || ah->context == NULL) \
+      return ompd_rc_stale_handle; \
+    if (callbacks == NULL) \
+      return ompd_rc_callback_error; \
+  } while (0)
+
+/* (var_name, string_name, scope).  */
+#define FOREACH_OMPD_ICV(ompd_icv) \
+  ompd_icv (nthreads_var, "nthread var", ompd_scope_thread) \
+  ompd_icv (thread_limit_var, "thread limit var", ompd_scope_task) \
+  ompd_icv (run_sched_var, "run sched limit var", ompd_scope_task) \
+  ompd_icv (run_sched_chunk_size, "run sched chunk size var", ompd_scope_task) \
+  ompd_icv (default_device_var, "default device var", ompd_scope_thread) \
+  ompd_icv (dyn_var, "dynamic var", ompd_scope_thread) \
+  ompd_icv (max_active_levels_var, "max active level var", ompd_scope_task) \
+  ompd_icv (bind_var, "proc bind var", ompd_scope_task) \
+  ompd_icv (cancellation_var, "cancel var", ompd_scope_address_space) \
+  ompd_icv (max_task_priority_var, "max task priority var", \
+	    ompd_scope_address_space) \
+  ompd_icv (stacksize_var, "stack size var", ompd_scope_address_space) \
+  ompd_icv (debug_var, "debug var", ompd_scope_address_space) \
+  ompd_icv (ompd_state, "OMP_DEBUG", ompd_scope_address_space) \
+  ompd_icv (display_affinity_var, "display affinity var", \
+	    ompd_scope_address_space) \
+  ompd_icv (affinity_format_var, "affinity format var", \
+	    ompd_scope_address_space) \
+  ompd_icv (affinity_format_len_var, "affinity format len var", \
+	    ompd_scope_address_space) \
+  ompd_icv (wait_policy_var, "wait policy var", ompd_scope_address_space) \
+  ompd_icv (num_teams_var, "num teams var", ompd_scope_address_space) \
+  ompd_icv (teams_thread_limit_var, "teams thread limit var", \
+	    ompd_scope_address_space) \
+  ompd_icv (spin_count_var, "spin count var", ompd_scope_address_space) \
+  ompd_icv (num_proc_var, "num proc var", ompd_scope_address_space) \
+  ompd_icv (throttled_spin_count_var, "throttled spin count var", \
+	    ompd_scope_address_space) \
+  ompd_icv (managed_threads_var, "managed threads var", \
+	    ompd_scope_address_space) \
+  ompd_icv (thread_num_var, "thread num var", ompd_scope_thread) \
+  ompd_icv (final_task_var, "final task var", ompd_scope_task) \
+  ompd_icv (implicit_task_var, "implicit task var", ompd_scope_task) \
+  ompd_icv (team_size_var, "team size var", ompd_scope_parallel)
+
+enum ompd_icv
+{
+  gompd_icv_undefined_var = 0,
+  #define gompd_icv_iterator(var_name, string_name, scope) gompd_icv_##var_name,
+    FOREACH_OMPD_ICV (gompd_icv_iterator)
+  #undef gompd_icv_iterator
+  gompd_last_icv_var
+};
+
+#ifdef HAVE_ATTRIBUTE_VISIBILITY
+#pragma GCC visibility push(hidden)
+#endif
+
+ompd_rc_t gompd_get_sizes (ompd_address_space_context_t *);
+
+/* Get Local internal control variables.  */
+ompd_rc_t gompd_get_nthread (ompd_thread_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_thread_limit (ompd_task_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_run_sched (ompd_task_handle_t *,  ompd_word_t *);
+ompd_rc_t gompd_get_run_sched_chunk_size (ompd_task_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_default_device (ompd_thread_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_dynamic (ompd_thread_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_max_active_levels (ompd_task_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_proc_bind (ompd_task_handle_t *, const char **);
+ompd_rc_t gompd_is_final (ompd_task_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_is_implicit (ompd_task_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_team_size (ompd_parallel_handle_t *, ompd_word_t *);
+
+/* Get Global ICVs.  */
+ompd_rc_t gompd_get_cancellation (ompd_address_space_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_max_task_priority (ompd_address_space_handle_t *,
+				       ompd_word_t *);
+ompd_rc_t gompd_get_stacksize (ompd_address_space_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_debug (ompd_address_space_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_display_affinity (ompd_address_space_handle_t *,
+				      ompd_word_t *);
+ompd_rc_t gompd_get_affinity_format (ompd_address_space_handle_t *,
+				     const char **);
+ompd_rc_t gompd_get_affinity_format_len (ompd_address_space_handle_t *,
+					 ompd_word_t *);
+ompd_rc_t gompd_get_wait_policy (ompd_address_space_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_num_teams (ompd_address_space_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_teams_thread_limit (ompd_address_space_handle_t *,
+					ompd_word_t *);
+ompd_rc_t gompd_get_spin_count (ompd_address_space_handle_t *, ompd_word_t *);
+ompd_rc_t gompd_get_available_cpus (ompd_address_space_handle_t *,
+				    ompd_word_t *);
+ompd_rc_t gompd_get_throttled_spin_count (ompd_address_space_handle_t *,
+					  ompd_word_t *);
+ompd_rc_t gompd_get_managed_threads (ompd_address_space_handle_t *,
+				     ompd_word_t *);
+ompd_rc_t gompd_get_gompd_enabled (ompd_address_space_handle_t *,
+				   const char **);
+/*End of Global ICVs.  */
+
+
+#ifdef HAVE_ATTRIBUTE_VISIBILITY
+#pragma GCC visibility pop
+#endif
+
+#ifdef __cplusplus
+} // extern C
+#endif
+
+#endif /* _OMPD_HELPER_H */
--- a/libgomp/ompd-icv.c
+++ b/libgomp/ompd-icv.c
@@ -0,0 +1,214 @@
+/* Copyright (C) The GNU Toolchain Authors.
+   Contributed by Mohamed Atef <mohamedatef1698@gmail.com>.
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+   Libgomp 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, or (at your option)
+   any later version.
+   Libgomp 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.
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file contains implementation of functions defined in 5.5.8 and 5.5.9
+  in OpenMP Application Programming Interface v5.1.  */
+
+#include "ompd-helper.h"
+
+static const char *gompd_icv_string[] = { "undefined",
+  #define gompd_icv_iterator(var_name, string_name, scope) string_name,
+    FOREACH_OMPD_ICV (gompd_icv_iterator)
+  #undef gompd_icv_iterator
+};
+
+static const ompd_scope_t gompd_icv_scope[] = {ompd_scope_global,
+  #define gompd_icv_iterator(var_name, string_name, scope) scope,
+    FOREACH_OMPD_ICV (gompd_icv_iterator)
+  #undef gompd_icv_iterator
+};
+
+ompd_rc_t
+ompd_enumerate_icvs (ompd_address_space_handle_t *ah,
+		     ompd_icv_id_t current, ompd_icv_id_t *next_id,
+		     const char **next_icv_name,
+		     ompd_scope_t *next_scope, int *more)
+{
+  if (ah == NULL)
+    return ompd_rc_stale_handle;
+  if (current + 1 >= gompd_last_icv_var
+      || next_id == NULL
+      || next_icv_name == NULL
+      || next_scope == NULL
+      || more == NULL)
+	return ompd_rc_bad_input;
+  if (callbacks == NULL)
+    return ompd_rc_callback_error;
+  *next_id = current + 1;
+  char *temp_name = NULL;
+  ompd_rc_t ret
+    = callbacks->alloc_memory (strlen (gompd_icv_string[*next_id]) + 1,
+			       (void **) &temp_name);
+  CHECK_RET (ret);
+  strcpy (temp_name, gompd_icv_string[*next_id]);
+  *next_icv_name = temp_name;
+  *next_scope = gompd_icv_scope[*next_id];
+  if ((*next_id) + 1 < gompd_last_icv_var)
+    *more = 1;
+  else
+    *more = 0;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+ompd_get_icv_from_scope (void *handle, ompd_scope_t scope, ompd_icv_id_t icv_id,
+			 ompd_word_t *icv_value)
+{
+  if (handle == NULL)
+    return ompd_rc_stale_handle;
+  if (icv_value == NULL || !icv_id || icv_id >= gompd_last_icv_var)
+    return ompd_rc_bad_input;
+  if (callbacks == NULL)
+    return ompd_rc_callback_error;
+  ompd_device_t device;
+  switch (scope)
+    {
+      case ompd_scope_address_space:
+	device = ((ompd_address_space_handle_t *) handle)->kind;
+	break;
+      case ompd_scope_thread:
+	device = ((ompd_thread_handle_t *) handle)->ah->kind;
+	break;
+      case ompd_scope_parallel:
+	device = ((ompd_parallel_handle_t *) handle)->ah->kind;
+	break;
+      case ompd_scope_task:
+	device = ((ompd_task_handle_t *) handle)->ah->kind;
+	break;
+      default:
+	return ompd_rc_bad_input;
+    }
+  /* No offloading support for now.  */
+  ompd_address_space_handle_t *ashandle
+    = (ompd_address_space_handle_t *) handle;
+  ompd_thread_handle_t *thread_handle
+    = (ompd_thread_handle_t *) handle;
+  ompd_task_handle_t *task_handle
+    = (ompd_task_handle_t *) handle;
+  ompd_parallel_handle_t *parallel_handle
+    = (ompd_parallel_handle_t *) handle;
+  if (device == OMPD_DEVICE_KIND_HOST)
+    {
+      switch (icv_id)
+	{
+	  case gompd_icv_cancellation_var:
+	    return gompd_get_cancellation (ashandle, icv_value);
+	  case gompd_icv_max_task_priority_var:
+	    return gompd_get_max_task_priority (ashandle, icv_value);
+	  case gompd_icv_stacksize_var:
+	    return gompd_get_stacksize (ashandle, icv_value);
+	  case gompd_icv_debug_var:
+	    return gompd_get_debug (ashandle, icv_value);
+	  case gompd_icv_display_affinity_var:
+	    return gompd_get_display_affinity (ashandle, icv_value);
+	  case gompd_icv_affinity_format_var:
+	    return ompd_rc_incompatible;
+	  case gompd_icv_affinity_format_len_var:
+	    return gompd_get_affinity_format_len (ashandle, icv_value);
+	  case gompd_icv_wait_policy_var:
+	    return gompd_get_wait_policy (ashandle, icv_value);
+	  case gompd_icv_num_teams_var:
+	    return gompd_get_num_teams (ashandle, icv_value);
+	  case gompd_icv_teams_thread_limit_var:
+	    return gompd_get_teams_thread_limit (ashandle, icv_value);
+	  case gompd_icv_spin_count_var:
+	    return gompd_get_spin_count (ashandle, icv_value);
+	  case gompd_icv_num_proc_var:
+	    return gompd_get_available_cpus (ashandle, icv_value);
+	  case gompd_icv_throttled_spin_count_var:
+	    return gompd_get_throttled_spin_count (ashandle, icv_value);
+	  case gompd_icv_managed_threads_var:
+	    return gompd_get_managed_threads (ashandle, icv_value);
+	  case gompd_icv_nthreads_var:
+	    return gompd_get_nthread (thread_handle, icv_value);
+	  case gompd_icv_default_device_var:
+	    return gompd_get_default_device (thread_handle, icv_value);
+	  case gompd_icv_dyn_var:
+	    return gompd_get_dynamic (thread_handle, icv_value);
+	  case gompd_icv_thread_limit_var:
+	    return gompd_get_thread_limit (task_handle, icv_value);
+	  case gompd_icv_run_sched_chunk_size:
+	    return gompd_get_run_sched_chunk_size (task_handle, icv_value);
+	  case gompd_icv_run_sched_var:
+	    return gompd_get_run_sched (task_handle, icv_value);
+	  case gompd_icv_max_active_levels_var:
+	    return gompd_get_max_active_levels (task_handle, icv_value);
+	  case gompd_icv_final_task_var:
+	    return gompd_is_final (task_handle, icv_value);
+	  case gompd_icv_implicit_task_var:
+	    return gompd_is_implicit (task_handle, icv_value);
+	  case gompd_icv_team_size_var:
+	    return gompd_get_team_size (parallel_handle, icv_value);
+	  default:
+	    return ompd_rc_unsupported;
+	}
+    }
+    return ompd_rc_error;
+}
+
+ompd_rc_t
+ompd_get_icv_string_from_scope (void *handle, ompd_scope_t scope,
+				ompd_icv_id_t icv_id, const char **icv_value)
+{
+  if (handle == NULL)
+    return ompd_rc_stale_handle;
+  if (icv_value == NULL || !icv_id || icv_id >= gompd_last_icv_var)
+    return ompd_rc_bad_input;
+  if (callbacks == NULL)
+    return ompd_rc_callback_error;
+  ompd_device_t device;
+  switch (scope)
+    {
+      case ompd_scope_address_space:
+	device = ((ompd_address_space_handle_t *) handle)->kind;
+	break;
+      case ompd_scope_thread:
+	device = ((ompd_thread_handle_t *) handle)->ah->kind;
+	break;
+      case ompd_scope_parallel:
+	device = ((ompd_parallel_handle_t *) handle)->ah->kind;
+	break;
+      case ompd_scope_task:
+	device = ((ompd_task_handle_t *) handle)->ah->kind;
+	break;
+      default:
+	return ompd_rc_bad_input;
+    }
+  /* No offloading support for now.  */
+  ompd_address_space_handle_t *ashandle
+    = (ompd_address_space_handle_t *) handle;
+  ompd_task_handle_t *task_handle
+    = (ompd_task_handle_t *) handle;
+  if (device == OMPD_DEVICE_KIND_HOST)
+    {
+      switch (icv_id)
+	{
+	  case gompd_icv_affinity_format_var:
+	    return gompd_get_affinity_format (ashandle, icv_value);
+	  case gompd_icv_ompd_state:
+	    return gompd_get_gompd_enabled (ashandle, icv_value);
+	  case gompd_icv_bind_var:
+	    return gompd_get_proc_bind (task_handle, icv_value);
+	  default:
+	    return ompd_rc_unsupported;
+	}
+    }
+  return ompd_rc_error;
+}
--- a/libgomp/ompd-init.c
+++ b/libgomp/ompd-init.c
@@ -0,0 +1,131 @@
+/* Copyright (C) The GNU Toolchain Authors.
+   Contributed by Mohamed Atef <mohamedatef1698@gmail.com>.
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+   Libgomp 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, or (at your option)
+   any later version.
+   Libgomp 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.
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file contains the implementation of functions defined in
+   section 5.5.1, 5.5.2.  */
+
+#include "ompd-helper.h"
+
+/* Per OMPD initialization and finalization.  */
+
+__UINT64_TYPE__ gompd_state;
+const ompd_callbacks_t *callbacks;
+
+ompd_rc_t
+ompd_initialize (ompd_word_t api_version,
+		 const ompd_callbacks_t *callbacks_table)
+{
+  if (callbacks_table == NULL)
+    return ompd_rc_bad_input;
+
+  ompd_word_t version;
+  ompd_rc_t ret = ompd_get_api_version (&version);
+
+  if (version != api_version)
+    return ompd_rc_unsupported;
+
+  callbacks = callbacks_table;
+  return ret;
+}
+
+ompd_rc_t
+ompd_get_api_version (ompd_word_t *version)
+{
+  if (version == NULL)
+    return ompd_rc_bad_input;
+
+  *version = OMPD_VERSION;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+ompd_get_version_string (const char **string)
+{
+  if (string == NULL)
+    return ompd_rc_bad_input;
+  static const char tmp_string[]
+    = "GNU OpenMP runtime implementing OMPD version "
+      stringize (OMPD_VERSION) " Debugging library";
+  *string = tmp_string;
+  return ompd_rc_ok;
+}
+
+ompd_rc_t
+ompd_finalize (void)
+{
+  return ompd_rc_ok;
+}
+
+/* Per process initialization and finalization.  */
+
+ompd_rc_t
+ompd_process_initialize (ompd_address_space_context_t *context,
+			 ompd_address_space_handle_t **handle)
+{
+  if (context == NULL || handle == NULL)
+    return ompd_rc_bad_input;
+
+  ompd_rc_t ret = gompd_get_sizes (context);
+  if (ret != ompd_rc_ok)
+    return ret;
+
+  /* Naive way to read from memory.  */
+  ompd_address_t symbol_addr = {OMPD_SEGMENT_UNSPECIFIED, 0};
+  GET_VALUE (context, NULL, "gompd_state", gompd_state, gompd_state,
+	     target_sizes.sizeof_short, 1, ret, symbol_addr);
+
+  ret = callbacks->alloc_memory (sizeof (ompd_address_space_handle_t),
+				 (void **) (handle));
+
+  if (ret != ompd_rc_ok)
+    return ret;
+
+  if (handle == NULL)
+    return ompd_rc_error;
+
+  (*handle)->context = context;
+  (*handle)->kind = OMPD_DEVICE_KIND_HOST;
+  return ret;
+}
+
+/* OMPD will not support GPUs for now.  */
+
+ompd_rc_t
+ompd_device_initialize (ompd_address_space_handle_t *process_handle,
+			ompd_address_space_context_t *device_context,
+			ompd_device_t kind, ompd_size_t sizeof_id, void *id,
+			ompd_address_space_handle_t **device_handle)
+{
+  if (device_context == NULL)
+    return ompd_rc_bad_input;
+
+  return ompd_rc_unsupported;
+}
+
+
+ompd_rc_t
+ompd_rel_address_space_handle (ompd_address_space_handle_t *handle)
+{
+  if (handle == NULL)
+    return ompd_rc_stale_handle;
+
+  ompd_rc_t ret = callbacks->free_memory ((void *) handle);
+  return ret;
+}
--- a/libgomp/ompd-support.c
+++ b/libgomp/ompd-support.c
@@ -0,0 +1,119 @@
+/* Copyright (C) The GNU Toolchain Authors.
+   Contributed by Mohamed Atef <mohamedatef1698@gmail.com>.
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+   Libgomp 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, or (at your option)
+   any later version.
+   Libgomp 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.
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "ompd-support.h"
+
+#ifdef __ELF__
+#define OMPD_SECTION __attribute__ ((section ("OMPD")))
+#else
+#define OMPD_SECTION
+#endif
+
+#ifndef GOMP_NEEDS_THREAD_HANDLE
+const unsigned short gompd_access_gomp_thread_handle
+  __attribute__ ((used)) OMPD_SECTION = 0;
+const unsigned short gompd_sizeof_gomp_thread_handle
+  __attribute__ ((used)) OMPD_SECTION = 0;
+#endif
+
+/* Get offset of the member m in struct t.  */
+#define gompd_get_offset(t, m) \
+  const unsigned short gompd_access_##t##_##m __attribute__ ((used)) \
+    OMPD_SECTION \
+      = (unsigned short) offsetof (struct t, m);
+  GOMPD_FOREACH_ACCESS (gompd_get_offset)
+#undef gompd_get_offset
+/* Get size of member m in struct t.  */
+#define gompd_get_sizeof_member(t, m) \
+  const unsigned short gompd_sizeof_##t##_##m __attribute__ ((used)) \
+    OMPD_SECTION \
+      = sizeof (((struct t *) NULL)->m);
+  GOMPD_FOREACH_ACCESS (gompd_get_sizeof_member)
+#undef gompd_get_sizeof_member
+/* Get size of struct t.  */
+#define gompd_get_size(t) \
+  const unsigned short gompd_sizeof_##t##_ __attribute__ ((used)) \
+    OMPD_SECTION \
+      = sizeof (struct t);
+  GOMPD_SIZES (gompd_get_size)
+#undef gompd_get_size
+
+const char **ompd_dll_locations = NULL;
+unsigned short gompd_state;
+
+void
+gompd_load (void)
+{
+  gomp_debug (2, "OMP OMPD active\n");
+  static const char *ompd_dll_locations_array[2]
+    = {"libgompd" SONAME_SUFFIX (1) , NULL};
+  gompd_state |= OMPD_ENABLED;
+  ompd_dll_locations = &ompd_dll_locations_array[0];
+  ompd_dll_locations_valid ();
+}
+
+#ifndef __ELF__
+/* Dummy functions. they shoud not be optimized.  */
+
+void __attribute__ ((noipa))
+ompd_dll_locations_valid (void)
+{
+}
+
+void __attribute__ ((noipa))
+ompd_bp_parallel_begin (void)
+{
+}
+
+void __attribute__ ((noipa))
+ompd_bp_parallel_end (void)
+{
+}
+
+void __attribute__ ((noipa))
+ompd_bp_task_begin (void)
+{
+}
+
+void __attribute__ ((noipa))
+ompd_bp_task_end (void)
+{
+}
+
+void __attribute__ ((noipa))
+ompd_bp_thread_begin (void)
+{
+}
+
+void __attribute__ ((noipa))
+ompd_bp_thread_end (void)
+{
+}
+
+void __attribute__ ((noipa))
+ompd_bp_device_begin (void)
+{
+}
+
+void __attribute__ ((noipa))
+ompd_bp_device_end (void)
+{
+}
+#endif /* __ELF__*/
--- a/libgomp/ompd-support.h
+++ b/libgomp/ompd-support.h
@@ -0,0 +1,107 @@
+/* Copyright (C) The GNU Toolchain Authors.
+   Contributed by Mohamed Atef <mohamedatef1698@gmail.com>.
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+   Libgomp 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, or (at your option)
+   any later version.
+   Libgomp 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.
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file contains the runtime support for gompd.  */
+
+#ifndef _OMPD_SUPPORT_H
+#define _OMPD_SUPPORT_H
+
+#include "omp-tools.h"
+#include "plugin-suffix.h"
+#include "libgomp.h"
+#include <pthread.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stddef.h>
+
+#ifdef __ELF__
+#define ompd_dll_locations_valid() \
+  __asm__ __volatile__ (".globl ompd_dll_locations_valid\n\t" \
+                        "ompd_dll_locations_valid:")
+#define ompd_bp_parallel_begin() \
+  __asm__ __volatile__ (".globl ompd_bp_parallel_begin\n\t" \
+                        "ompd_bp_parallel_begin:")
+#define ompd_bp_parallel_end() \
+  __asm__ __volatile__ (".globl ompd_bp_parallel_end\n\t" \
+                        "ompd_bp_parallel_end:")
+#define ompd_bp_task_begin() \
+  __asm__ __volatile__ (".globl ompd_bp_task_begin\n\t" \
+                        "ompd_bp_task_begin:")
+#define ompd_bp_task_end() \
+  __asm__ __volatile__ (".globl ompd_bp_task_end\n\t" \
+                        "ompd_bp_task_end:")
+#define ompd_bp_thread_begin() \
+  __asm__ __volatile__ (".globl ompd_bp_thread_begin\n\t" \
+                        "ompd_bp_thread_begin:")
+#define ompd_bp_thread_end() \
+  __asm__ __volatile__ (".globl ompd_bp_thread_end\n\t" \
+                        "ompd_bp_thread_end:")
+#define ompd_bp_device_begin() \
+  __asm__ __volatile__ (".globl ompd_bp_device_begin\n\t" \
+                        "ompd_bp_device_end:")
+#define ompd_bp_device_end() \
+  __asm__ __volatile__ (".globl ompd_bp_device_end\n\t" \
+                        "ompd_bp_device_end:")
+#endif /* __ELF__ */
+
+#ifdef HAVE_ATTRIBUTE_VISIBILITY
+#pragma GCC visibility push(hidden)
+#endif
+
+void gompd_load (void);
+extern unsigned short gompd_state;
+
+#define OMPD_ENABLED 0x1
+
+#ifdef GOMP_NEEDS_THREAD_HANDLE
+#define gompd_thread_handle_access gompd_access (gomp_thread, handle)
+#else
+#define gompd_thread_handle_access
+#endif
+
+#define GOMPD_FOREACH_ACCESS(gompd_access) \
+  gompd_access (gomp_task_icv, nthreads_var) \
+  gompd_access (gomp_task_icv, run_sched_var) \
+  gompd_access (gomp_task_icv, run_sched_chunk_size) \
+  gompd_access (gomp_task_icv, default_device_var) \
+  gompd_access (gomp_task_icv, thread_limit_var) \
+  gompd_access (gomp_task_icv, dyn_var) \
+  gompd_access (gomp_task_icv, bind_var) \
+  gompd_access (gomp_thread, task) \
+  gompd_access (gomp_thread_pool, threads) \
+  gompd_access (gomp_thread, ts) \
+  gompd_access (gomp_team_state, team_id) \
+  gompd_access (gomp_task, icv) \
+  gompd_access (gomp_task, kind) \
+  gompd_access (gomp_task, final_task) \
+  gompd_access (gomp_team, nthreads) \
+  gompd_thread_handle_access
+
+#define GOMPD_SIZES(gompd_size) \
+  gompd_size (gomp_thread) \
+  gompd_size (gomp_task_icv) \
+  gompd_size (gomp_task)
+
+#ifdef HAVE_ATTRIBUTE_VISIBILITY
+#pragma GCC visibility pop
+#endif
+
+#endif /* _OMPD_SUPPORT_H */
--- a/libgomp/ompd-types.h.in
+++ b/libgomp/ompd-types.h.in
@@ -0,0 +1,54 @@
+/* Copyright (C) The GNU Toolchain Authors.
+   Contributed by Mohamed Atef <mohamedatef1698@gmail.com>.
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+   Libgomp 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, or (at your option)
+   any later version.
+   Libgomp 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.
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file contains the types needed for OMPD implementation.  */
+
+#ifndef _OMPD_TYPES_H
+#define _OMPD_TYPES_H
+
+#ifdef __cpulsplus
+extern "C" {
+#endif
+
+#define OMPD_TYPES_VERSION   20180906 /* YYYYMMDD Format.  */
+
+/* Kinds of device threads.  */
+#define OMPD_THREAD_ID_PTHREAD      ((ompd_thread_id_t)0)
+#define OMPD_THREAD_ID_LWP          ((ompd_thread_id_t)1)
+#define OMPD_THREAD_ID_WINTHREAD    ((ompd_thread_id_t)2)
+
+/* The range of non-standard implementation defined values.  */
+#define OMPD_THREAD_ID_LO       ((ompd_thread_id_t)1000000)
+#define OMPD_THREAD_ID_HI       ((ompd_thread_id_t)1100000)
+
+/* Memory Access Segment definitions for Host and Target Devices.  */
+#define OMPD_SEGMENT_UNSPECIFIED             ((ompd_seg_t)0)
+
+/* Kinds of device device address spaces.  */
+#define OMPD_DEVICE_KIND_HOST     ((ompd_device_t)1)
+
+/* The range of non-standard implementation defined values.  */
+#define OMPD_DEVICE_IMPL_LO       ((ompd_device_t)1000000)
+#define OMPD_DEVICE_IMPL_HI       ((ompd_device_t)1100000)
+
+#ifdef __cplusplus
+} // extern C
+#endif
+#endif /* _OMPD_TYPES_H */
--- a/libgomp/team.c
+++ b/libgomp/team.c
@@ -30,6 +30,7 @@
 #include "pool.h"
 #include <stdlib.h>
 #include <string.h>
+#include "ompd-support.h"

 #ifdef LIBGOMP_USE_PTHREADS
 pthread_attr_t gomp_thread_attr;
@@ -75,6 +76,7 @@ gomp_thread_start (void *xdata)
  void (*local_fn) (void *);
  void *local_data;

+  ompd_bp_thread_begin ();
 #if defined HAVE_TLS || defined USE_EMUTLS
  thr = &gomp_tls_data;
 #else
@@ -336,6 +338,7 @@ gomp_team_start (void (*fn) (void *), void *data, unsigned nthreads,
  struct gomp_thread **affinity_thr = NULL;
  bool force_display = false;

+  ompd_bp_parallel_begin ();
  thr = gomp_thread ();
  nested = thr->ts.level;
  pool = thr->thread_pool;
@@ -1011,6 +1014,7 @@ gomp_team_end (void)
      pool->last_team = team;
      gomp_release_thread_pool (pool);
    }
+  ompd_bp_parallel_end ();
 }

 #ifdef LIBGOMP_USE_PTHREADS