2003-10-21 Arnaud Charlet <charlet@act-europe.fr>

	* 3psoccon.ads, 3veacodu.adb, 3vexpect.adb, 3vsoccon.ads,
	3vsocthi.adb, 3vsocthi.ads, 3vtrasym.adb, 3zsoccon.ads,
	3zsocthi.adb, 3zsocthi.ads, 50system.ads, 51system.ads,
	55system.ads, 56osinte.adb, 56osinte.ads, 56taprop.adb,
	56taspri.ads, 56tpopsp.adb, 57system.ads, 58system.ads,
	59system.ads, 5aml-tgt.adb, 5bml-tgt.adb, 5csystem.ads,
	5dsystem.ads, 5fosinte.adb, 5gml-tgt.adb, 5hml-tgt.adb,
	5isystem.ads, 5lparame.adb, 5msystem.ads, 5psystem.ads,
	5sml-tgt.adb, 5sosprim.adb, 5stpopsp.adb, 5tsystem.ads,
	5usystem.ads, 5vml-tgt.adb, 5vsymbol.adb, 5vtraent.adb,
	5vtraent.ads, 5wml-tgt.adb, 5xparame.ads, 5xsystem.ads,
	5xvxwork.ads, 5yparame.ads, 5ytiitho.adb, 5zinit.adb,
	5zml-tgt.adb, 5zparame.ads, 5ztaspri.ads, 5ztfsetr.adb,
	5zthrini.adb, 5ztiitho.adb, 5ztpopsp.adb, 7stfsetr.adb,
	7straces.adb, 7strafor.adb, 7strafor.ads, 7stratas.adb,
	a-excach.adb, a-exexda.adb, a-exexpr.adb, a-exextr.adb,
	a-exstat.adb, a-strsup.adb, a-strsup.ads, a-stwisu.adb,
	a-stwisu.ads, bld.adb, bld.ads, bld-io.adb,
	bld-io.ads, clean.adb, clean.ads, ctrl_c.c,
	erroutc.adb, erroutc.ads, errutil.adb, errutil.ads,
	err_vars.ads, final.c, g-arrspl.adb, g-arrspl.ads,
	g-boubuf.adb, g-boubuf.ads, g-boumai.ads, g-bubsor.adb,
	g-bubsor.ads, g-comver.adb, g-comver.ads, g-ctrl_c.ads,
	g-dynhta.adb, g-dynhta.ads, g-eacodu.adb, g-excact.adb,
	g-excact.ads, g-heasor.adb, g-heasor.ads, g-memdum.adb,
	g-memdum.ads, gnatclean.adb, gnatsym.adb, g-pehage.adb,
	g-pehage.ads, g-perhas.ads, gpr2make.adb, gpr2make.ads,
	gprcmd.adb, gprep.adb, gprep.ads, g-semaph.adb,
	g-semaph.ads, g-string.adb, g-string.ads, g-strspl.ads,
	g-wistsp.ads, i-vthrea.adb, i-vthrea.ads, i-vxwoio.adb,
	i-vxwoio.ads, Makefile.generic, Makefile.prolog, Makefile.rtl,
	prep.adb, prep.ads, prepcomp.adb, prepcomp.ads,
	prj-err.adb, prj-err.ads, s-boarop.ads, s-carsi8.adb,
	s-carsi8.ads, s-carun8.adb, s-carun8.ads, s-casi16.adb,
	s-casi16.ads, s-casi32.adb, s-casi32.ads, s-casi64.adb,
	s-casi64.ads, s-casuti.adb, s-casuti.ads, s-caun16.adb,
	s-caun16.ads, s-caun32.adb, s-caun32.ads, s-caun64.adb,
	s-caun64.ads, scng.adb, scng.ads, s-exnint.adb,
	s-exnllf.adb, s-exnlli.adb, s-expint.adb, s-explli.adb,
	s-geveop.adb, s-geveop.ads, s-hibaen.ads, s-htable.adb,
	s-htable.ads, sinput-c.adb, sinput-c.ads, s-memcop.ads,
	socket.c, s-purexc.ads, s-scaval.adb, s-stopoo.adb,
	s-strcom.adb, s-strcom.ads, s-strxdr.adb, s-rident.ads,
	s-thread.adb, s-thread.ads, s-tpae65.adb, s-tpae65.ads,
	s-tporft.adb, s-traent.adb, s-traent.ads, styleg.adb,
	styleg.ads, styleg-c.adb, styleg-c.ads, s-veboop.adb,
	s-veboop.ads, s-vector.ads, symbols.adb, symbols.ads,
	tb-alvms.c, tb-alvxw.c, tempdir.adb, tempdir.ads,
	vms_conv.ads, vms_conv.adb, vms_data.ads,
	vxaddr2line.adb: Files added. Merge with ACT tree.

	* 4dintnam.ads, 4mintnam.ads, 4uintnam.ads, 52system.ads,
	5dosinte.ads, 5etpopse.adb, 5mosinte.ads, 5qosinte.adb,
	5qosinte.ads, 5qstache.adb, 5qtaprop.adb, 5qtaspri.ads,
	5stpopse.adb, 5uintman.adb, 5uosinte.ads, adafinal.c,
	g-enblsp.adb, io-aux.c, scn-nlit.adb, scn-slit.adb,
	s-exnflt.ads, s-exngen.adb, s-exngen.ads, s-exnlfl.ads,
	s-exnlin.ads, s-exnsfl.ads, s-exnsin.ads, s-exnssi.ads,
	s-expflt.ads, s-expgen.adb, s-expgen.ads, s-explfl.ads,
	s-explin.ads, s-expllf.ads, s-expsfl.ads, s-expsin.ads,
	s-expssi.ads, style.adb: Files removed. Merge with ACT tree.

	* 1ic.ads, 31soccon.ads, 31soliop.ads, 3asoccon.ads,
	3bsoccon.ads, 3gsoccon.ads, 3hsoccon.ads, 3ssoccon.ads,
	3ssoliop.ads, 3wsoccon.ads, 3wsocthi.adb, 3wsocthi.ads,
	3wsoliop.ads, 41intnam.ads, 42intnam.ads, 4aintnam.ads,
	4cintnam.ads, 4gintnam.ads, 4hexcpol.adb, 4hintnam.ads,
	4lintnam.ads, 4nintnam.ads, 4ointnam.ads, 4onumaux.ads,
	4pintnam.ads, 4sintnam.ads, 4vcaldel.adb, 4vcalend.adb,
	4vintnam.ads, 4wexcpol.adb, 4wintnam.ads, 4zintnam.ads,
	51osinte.adb, 51osinte.ads, 52osinte.adb, 52osinte.ads,
	53osinte.ads, 54osinte.ads, 5aosinte.adb, 5aosinte.ads,
	5asystem.ads, 5ataprop.adb, 5atasinf.ads, 5ataspri.ads,
	5atpopsp.adb, 5avxwork.ads, 5bosinte.adb, 5bosinte.ads,
	5bsystem.ads, 5cosinte.ads, 5esystem.ads, 5fintman.adb,
	5fosinte.ads, 5fsystem.ads, 5ftaprop.adb, 5ftasinf.ads,
	5ginterr.adb, 5gintman.adb, 5gmastop.adb, 5gosinte.ads,
	5gproinf.ads, 5gsystem.ads, 5gtaprop.adb, 5gtasinf.ads,
	5gtpgetc.adb, 5hosinte.adb, 5hosinte.ads, 5hsystem.ads,
	5htaprop.adb, 5htaspri.ads, 5htraceb.adb, 5iosinte.adb,
	5itaprop.adb, 5itaspri.ads, 5ksystem.ads, 5kvxwork.ads,
	5lintman.adb, 5lml-tgt.adb, 5losinte.ads, 5lsystem.ads,
	5mvxwork.ads, 5ninmaop.adb, 5nintman.adb, 5nosinte.ads,
	5ntaprop.adb, 5ntaspri.ads, 5ointerr.adb, 5omastop.adb,
	5oosinte.adb, 5oosinte.ads, 5oosprim.adb, 5oparame.adb,
	5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5posinte.ads,
	5posprim.adb, 5pvxwork.ads, 5sintman.adb, 5sosinte.adb,
	5sosinte.ads, 5ssystem.ads, 5staprop.adb, 5stasinf.ads,
	5staspri.ads, 5svxwork.ads, 5tosinte.ads, 5vasthan.adb,
	5vinmaop.adb, 5vinterr.adb, 5vintman.adb, 5vintman.ads,
	5vmastop.adb, 5vosinte.adb, 5vosinte.ads, 5vosprim.adb,
	5vsystem.ads, 5vtaprop.adb, 5vtaspri.ads, 5vtpopde.adb,
	5vtpopde.ads, 5wgloloc.adb, 5wintman.adb, 5wmemory.adb,
	5wosprim.adb, 5wsystem.ads, 5wtaprop.adb, 5wtaspri.ads,
	5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb,
	5zosinte.ads, 5zosprim.adb, 5zsystem.ads, 5ztaprop.adb,
	6vcpp.adb, 6vcstrea.adb, 6vinterf.ads, 7sinmaop.adb,
	7sintman.adb, 7sosinte.adb, 7sosprim.adb, 7staprop.adb,
	7staspri.ads, 7stpopsp.adb, 7straceb.adb, 9drpc.adb,
	a-caldel.adb, a-caldel.ads, a-charac.ads, a-colien.ads,
	a-comlin.adb, adaint.c, adaint.h, ada-tree.def,
	a-diocst.adb, a-diocst.ads, a-direio.adb, a-except.adb,
	a-except.ads, a-excpol.adb, a-exctra.adb, a-exctra.ads,
	a-filico.adb, a-interr.adb, a-intsig.adb, a-intsig.ads,
	ali.adb, ali.ads, ali-util.adb, ali-util.ads,
	a-ngcefu.adb, a-ngcoty.adb, a-ngelfu.adb, a-nudira.adb,
	a-nudira.ads, a-nuflra.adb, a-nuflra.ads, a-reatim.adb,
	a-reatim.ads, a-retide.ads, a-sequio.adb, a-siocst.adb,
	a-siocst.ads, a-ssicst.adb, a-ssicst.ads, a-strbou.adb,
	a-strbou.ads, a-strfix.adb, a-strmap.adb, a-strsea.ads,
	a-strunb.adb, a-strunb.ads, a-ststio.adb, a-stunau.adb,
	a-stunau.ads, a-stwibo.adb, a-stwibo.ads, a-stwifi.adb,
	a-stwima.adb, a-stwiun.adb, a-stwiun.ads, a-tags.adb,
	a-tags.ads, a-tasatt.adb, a-taside.adb, a-teioed.adb,
	a-textio.adb, a-textio.ads, a-tienau.adb, a-tifiio.adb,
	a-tiflau.adb, a-tiflio.adb, a-tigeau.adb, a-tigeau.ads,
	a-tiinau.adb, a-timoau.adb, a-tiocst.adb, a-tiocst.ads,
	atree.adb, atree.ads, a-witeio.adb, a-witeio.ads,
	a-wtcstr.adb, a-wtcstr.ads, a-wtdeio.adb, a-wtedit.adb,
	a-wtenau.adb, a-wtflau.adb, a-wtinau.adb, a-wtmoau.adb,
	bcheck.adb, binde.adb, bindgen.adb, bindusg.adb,
	checks.adb, checks.ads, cio.c, comperr.adb,
	comperr.ads, csets.adb, cstand.adb, cstreams.c,
	debug_a.adb, debug_a.ads, debug.adb, decl.c,
	einfo.adb, einfo.ads, errout.adb, errout.ads,
	eval_fat.adb, eval_fat.ads, exp_aggr.adb, expander.adb,
	expander.ads, exp_attr.adb, exp_ch11.adb, exp_ch13.adb,
	exp_ch2.adb, exp_ch3.adb, exp_ch3.ads, exp_ch4.adb,
	exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_ch7.ads,
	exp_ch8.adb, exp_ch9.adb, exp_code.adb, exp_dbug.adb,
	exp_dbug.ads, exp_disp.adb, exp_dist.adb, expect.c,
	exp_fixd.adb, exp_imgv.adb, exp_intr.adb, exp_pakd.adb,
	exp_prag.adb, exp_strm.adb, exp_strm.ads, exp_tss.adb,
	exp_tss.ads, exp_util.adb, exp_util.ads, exp_vfpt.adb,
	fe.h, fmap.adb, fmap.ads, fname.adb,
	fname.ads, fname-uf.adb, fname-uf.ads, freeze.adb,
	freeze.ads, frontend.adb, g-awk.adb, g-awk.ads,
	g-busora.adb, g-busora.ads, g-busorg.adb, g-busorg.ads,
	g-casuti.adb, g-casuti.ads, g-catiio.adb, g-catiio.ads,
	g-cgi.adb, g-cgi.ads, g-cgicoo.adb, g-cgicoo.ads,
	g-cgideb.adb, g-cgideb.ads, g-comlin.adb, g-comlin.ads,
	g-crc32.adb, g-crc32.ads, g-debpoo.adb, g-debpoo.ads,
	g-debuti.adb, g-debuti.ads, g-diopit.adb, g-diopit.ads,
	g-dirope.adb, g-dirope.ads, g-dyntab.adb, g-dyntab.ads,
	g-except.ads, g-exctra.adb, g-exctra.ads, g-expect.adb,
	g-expect.ads, g-hesora.adb, g-hesora.ads, g-hesorg.adb,
	g-hesorg.ads, g-htable.adb, g-htable.ads, gigi.h,
	g-io.adb, g-io.ads, g-io_aux.adb, g-io_aux.ads,
	g-locfil.adb, g-locfil.ads, g-md5.adb, g-md5.ads,
	gmem.c, gnat1drv.adb, gnatbind.adb, gnatchop.adb,
	gnatcmd.adb, gnatfind.adb, gnatkr.adb, gnatlbr.adb,
	gnatlink.adb, gnatls.adb, gnatmake.adb, gnatmem.adb,
	gnatname.adb, gnatprep.adb, gnatprep.ads, gnatpsta.adb,
	gnatxref.adb, g-os_lib.adb, g-os_lib.ads, g-regexp.adb,
	g-regexp.ads, g-regist.adb, g-regist.ads, g-regpat.adb,
	g-regpat.ads, g-soccon.ads, g-socket.adb, g-socket.ads,
	g-socthi.adb, g-socthi.ads, g-soliop.ads, g-souinf.ads,
	g-speche.adb, g-speche.ads, g-spipat.adb, g-spipat.ads,
	g-spitbo.adb, g-spitbo.ads, g-sptabo.ads, g-sptain.ads,
	g-sptavs.ads, g-table.adb, g-table.ads, g-tasloc.adb,
	g-tasloc.ads, g-thread.adb, g-thread.ads, g-traceb.adb,
	g-traceb.ads, g-trasym.adb, g-trasym.ads, hostparm.ads,
	i-c.ads, i-cobol.adb, i-cpp.adb, i-cstrea.ads,
	i-cstrin.adb, i-cstrin.ads, impunit.adb, init.c,
	inline.adb, interfac.ads, i-pacdec.ads, itypes.adb,
	itypes.ads, i-vxwork.ads, lang.opt, lang-specs.h,
	layout.adb, lib.adb, lib.ads, lib-list.adb,
	lib-load.adb, lib-load.ads, lib-sort.adb, lib-util.adb,
	lib-writ.adb, lib-writ.ads, lib-xref.adb, lib-xref.ads,
	link.c, live.adb, make.adb, make.ads,
	Makefile.adalib, Makefile.in, Make-lang.in, makeusg.adb,
	mdll.adb, mdll-fil.adb, mdll-fil.ads, mdll-utl.adb,
	mdll-utl.ads, memroot.adb, memroot.ads, memtrack.adb,
	misc.c, mkdir.c, mlib.adb, mlib.ads,
	mlib-fil.adb, mlib-fil.ads, mlib-prj.adb, mlib-prj.ads,
	mlib-tgt.adb, mlib-tgt.ads, mlib-utl.adb, mlib-utl.ads,
	namet.adb, namet.ads, namet.h, nlists.ads,
	nlists.h, nmake.adt, opt.adb, opt.ads,
	osint.adb, osint.ads, osint-b.adb, osint-c.adb,
	par.adb, par-ch10.adb, par-ch11.adb, par-ch2.adb,
	par-ch3.adb, par-ch4.adb, par-ch5.adb, par-ch6.adb,
	par-ch9.adb, par-endh.adb, par-labl.adb, par-load.adb,
	par-prag.adb, par-sync.adb, par-tchk.adb, par-util.adb,
	prj.adb, prj.ads, prj-attr.adb, prj-attr.ads,
	prj-com.adb, prj-com.ads, prj-dect.adb, prj-dect.ads,
	prj-env.adb, prj-env.ads, prj-ext.adb, prj-ext.ads,
	prj-makr.adb, prj-makr.ads, prj-nmsc.adb, prj-nmsc.ads,
	prj-pars.adb, prj-pars.ads, prj-part.adb, prj-part.ads,
	prj-pp.adb, prj-pp.ads, prj-proc.adb, prj-proc.ads,
	prj-strt.adb, prj-strt.ads, prj-tree.adb, prj-tree.ads,
	prj-util.adb, prj-util.ads, raise.c, raise.h,
	repinfo.adb, repinfo.h, restrict.adb, restrict.ads,
	rident.ads, rtsfind.adb, rtsfind.ads, s-addima.ads,
	s-arit64.adb, s-assert.adb, s-assert.ads, s-atacco.adb,
	s-atacco.ads, s-auxdec.adb, s-auxdec.ads, s-bitops.adb,
	scans.ads, scn.adb, scn.ads, s-crc32.adb,
	s-crc32.ads, s-direio.adb, sem.adb, sem.ads,
	sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb,
	sem_case.ads, sem_cat.adb, sem_cat.ads, sem_ch10.adb,
	sem_ch11.adb, sem_ch12.adb, sem_ch12.ads, sem_ch13.adb,
	sem_ch13.ads, sem_ch3.adb, sem_ch3.ads, sem_ch4.adb,
	sem_ch5.adb, sem_ch5.ads, sem_ch6.adb, sem_ch6.ads,
	sem_ch7.adb, sem_ch7.ads, sem_ch8.adb, sem_ch8.ads,
	sem_ch9.adb, sem_disp.adb, sem_disp.ads, sem_dist.adb,
	sem_elab.adb, sem_eval.adb, sem_eval.ads, sem_intr.adb,
	sem_maps.adb, sem_mech.adb, sem_prag.adb, sem_prag.ads,
	sem_res.adb, sem_res.ads, sem_type.adb, sem_type.ads,
	sem_util.adb, sem_util.ads, sem_warn.adb, s-errrep.adb,
	s-errrep.ads, s-exctab.adb, s-exctab.ads, s-exnint.ads,
	s-exnllf.ads, s-exnlli.ads, s-expint.ads, s-explli.ads,
	s-expuns.ads, s-fatflt.ads, s-fatgen.adb, s-fatgen.ads,
	s-fatlfl.ads, s-fatllf.ads, s-fatsfl.ads, s-fileio.adb,
	s-fileio.ads, s-finimp.adb, s-finimp.ads, s-finroo.adb,
	s-finroo.ads, sfn_scan.adb, s-gloloc.adb, s-gloloc.ads,
	s-imgdec.adb, s-imgenu.adb, s-imgrea.adb, s-imgwch.adb,
	sinfo.adb, sinfo.ads, s-inmaop.ads, sinput.adb,
	sinput.ads, sinput-d.adb, sinput-l.adb, sinput-l.ads,
	sinput-p.adb, sinput-p.ads, s-interr.adb, s-interr.ads,
	s-intman.ads, s-maccod.ads, s-mastop.adb, s-mastop.ads,
	s-memory.adb, s-memory.ads, snames.adb, snames.ads,
	snames.h, s-osprim.ads, s-parame.ads, s-parint.ads,
	s-pooloc.adb, s-pooloc.ads, s-poosiz.adb, sprint.adb,
	s-proinf.ads, s-scaval.ads, s-secsta.adb, s-secsta.ads,
	s-sequio.adb, s-shasto.adb, s-shasto.ads, s-soflin.ads,
	s-stache.adb, s-stache.ads, s-stalib.adb, s-stalib.ads,
	s-stoele.ads, s-stopoo.ads, s-stratt.adb, s-stratt.ads,
	s-strops.adb, s-strops.ads, s-taasde.adb, s-taasde.ads,
	s-tadeca.adb, s-tadeca.ads, s-tadert.adb, s-tadert.ads,
	s-taenca.adb, s-taenca.ads, s-taprob.adb, s-taprob.ads,
	s-taprop.ads, s-tarest.adb, s-tarest.ads, s-tasdeb.adb,
	s-tasdeb.ads, s-tasinf.adb, s-tasinf.ads, s-tasini.adb,
	s-tasini.ads, s-taskin.adb, s-taskin.ads, s-tasque.adb,
	s-tasque.ads, s-tasren.adb, s-tasren.ads, s-tasres.ads,
	s-tassta.adb, s-tassta.ads, s-tasuti.adb, s-tasuti.ads,
	s-tataat.adb, s-tataat.ads, s-tpinop.adb, s-tpinop.ads,
	s-tpoben.adb, s-tpoben.ads, s-tpobop.adb, s-tpobop.ads,
	s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads,
	stringt.adb, stringt.ads, stringt.h, style.ads,
	stylesw.adb, stylesw.ads, s-unstyp.ads, s-vaflop.ads,
	s-valrea.adb, s-valuti.adb, s-vercon.adb, s-vmexta.adb,
	s-wchcnv.ads, s-wchcon.ads, s-widcha.adb, switch.adb,
	switch.ads, switch-b.adb, switch-c.adb, switch-m.adb,
	s-wwdcha.adb, s-wwdwch.adb, sysdep.c, system.ads,
	table.adb, table.ads, targparm.adb, targparm.ads,
	targtyps.c, tbuild.adb, tbuild.ads, tracebak.c,
	trans.c, tree_io.adb, treepr.adb, treeprs.adt,
	ttypes.ads, types.ads, types.h, uintp.adb,
	uintp.ads, uintp.h, uname.adb, urealp.adb,
	urealp.ads, urealp.h, usage.adb, utils2.c,
	utils.c, validsw.adb, validsw.ads, widechar.adb,
	xeinfo.adb, xnmake.adb, xref_lib.adb, xref_lib.ads,
	xr_tabls.adb, xr_tabls.ads, xtreeprs.adb, xsnames.adb,
	einfo.h, sinfo.h, treeprs.ads, nmake.ads, nmake.adb,
	gnatvsn.ads: Merge with ACT tree.

	* gnatvsn.adb: Rewritten in a simpler and more efficient way.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72751 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 87 insertions, 93 deletions

diff --git a/gcc/ada/exp_dbug.ads b/gcc/ada/exp_dbug.ads
index 951ccc33a30..d17f14b0814 100644
--- a/gcc/ada/exp_dbug.ads
+++ b/gcc/ada/exp_dbug.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1996-2002 Free Software Foundation, Inc.          --
+--          Copyright (C) 1996-2003 Free Software Foundation, Inc.          --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -30,7 +30,6 @@
 
 with Types; use Types;
 with Uintp; use Uintp;
-with Get_Targ; use Get_Targ;
 
 package Exp_Dbug is
 
@@ -362,28 +361,46 @@ package Exp_Dbug is
       --  the type, the string "PT", and a suffix which is P or N, depending on
       --  whether this is the protected/non-locking version of the operation.
 
+      --  Operations generated for protected entries follow the same encoding.
+      --  Each entry results in two suprograms: a procedure that holds the
+      --  entry body, and a function that holds the evaluation of the barrier.
+      --  The names of these subprograms include the prefix 'E' or 'B' res-
+      --  pectively. The names also include a numeric suffix to render them
+      --  unique in the presence of overloaded entries.
+
       --  Given the declaration:
 
-      --    protected type lock is
-      --       function get return integer;
-      --       procedure set (x: integer);
+      --    protected type Lock is
+      --       function  Get return Integer;
+      --       procedure Set (X: Integer);
+      --       entry Update  (Val : Integer);
       --    private
-      --       value : integer := 0;
-      --    end lock;
+      --       Value : Integer := 0;
+      --    end Lock;
 
       --  the following operations are created:
 
       --    lockPT_getN
       --    lockPT_getP,
+
       --    lockPT_setN
       --    lockPT_setP
 
+      --    lockPT_update1sE
+      --    lockPT_udpate2sB
+
    ----------------------------------------------------
    -- Conversion between Entities and External Names --
    ----------------------------------------------------
 
-   No_Dollar_In_Label : constant Boolean := Get_No_Dollar_In_Label;
-   --  True iff the target allows dollar signs ("$") in external names
+   No_Dollar_In_Label : constant Boolean := True;
+   --  True iff the target does not allow dollar signs ("$") in external names
+   --  ??? We want to migrate all platforms to use the same convention.
+   --  As a first step, we force this constant to always be True. This
+   --  constant will eventually be deleted after we have verified that
+   --  the migration does not cause any unforseen adverse impact.
+   --  We chose "__" because it is supported on all platforms, which is
+   --  not the case of "$".
 
    procedure Get_External_Name
      (Entity     : Entity_Id;
@@ -418,55 +435,9 @@ package Exp_Dbug is
    --        by homonym suffix, if the entity is an overloaded subprogram
    --        or is defined within an overloaded subprogram.
    --    - the string "___" followed by Suffix
-
-   ----------------------------
-   -- Debug Name Compression --
-   ----------------------------
-
-   --  The full qualification of names can lead to long names, and this
-   --  section describes the method used to compress these names. Such
-   --  compression is attempted if one of the following holds:
-
-   --    The length exceeds a maximum set in hostparm, currently set
-   --    to 128, but can be changed as needed.
-
-   --    The compiler switch -gnatC is set, setting the Compress_Debug_Names
-   --    switch in Opt to True.
-
-   --  If either of these conditions holds, name compression is attempted
-   --  by replacing the qualifying section as follows.
-
-   --    Given a name of the form
-
-   --       a__b__c__d
-
-   --    where a,b,c,d are arbitrary strings not containing a sequence
-   --    of exactly two underscores, the name is rewritten as:
-
-   --       XC????????_d
-
-   --    where ???????? are 8 hex digits representing a 32-bit checksum
-   --    value that identifies the sequence of compressed names. In
-   --    addition a dummy type declaration is generated as shown by
-   --    the following example. Supposed we have three compression
-   --    sequences
-
-   --      XC1234abcd  corresponding to a__b__c__ prefix
-   --      XCabcd1234  corresponding to a__b__ prefix
-   --      XCab1234cd  corresponding to a__ prefix
-
-   --    then an enumeration type declaration is generated:
-
-   --       type XC is
-   --         (XC1234abcdXnn, aXnn, bXnn, cXnn,
-   --          XCabcd1234Xnn, aXnn, bXnn,
-   --          XCab1234cdXnn, aXnn);
-
-   --    showing the meaning of each compressed prefix, so the debugger
-   --    can interpret the exact sequence of names that correspond to the
-   --    compressed sequence. The Xnn suffixes in the above are simply
-   --    serial numbers that are guaranteed to be different to ensure
-   --    that all names are unique, and are otherwise ignored.
+   --
+   --  If this procedure is called in the ASIS mode, it does nothing. See the
+   --  comments in the body for more details.
 
    --------------------------------------------
    -- Subprograms for Handling Qualification --
@@ -497,11 +468,6 @@ package Exp_Dbug is
    --  are useful to remove qualification from a name qualified by the
    --  call to Qualify_All_Entity_Names.
 
-   procedure Generate_Auxiliary_Types;
-   --  The process of qualifying names may result in name compression which
-   --  requires dummy enumeration types to be generated. This subprogram
-   --  ensures that these types are appropriately included in the tree.
-
    --------------------------------
    -- Handling of Numeric Values --
    --------------------------------
@@ -597,13 +563,14 @@ package Exp_Dbug is
       --   the case where one or both of the bounds are discriminants or
       --   variable.
 
-      --   Note: at the current time, we also encode static bounds if they
-      --   do not match the natural machine type bounds, but this may be
-      --   removed in the future, since it is redundant for most debugging
-      --   formats. However, we do not ever need XD encoding for enumeration
-      --   base types, since here it is always clear what the bounds are
-      --   from the number of enumeration literals, and of course we do
-      --   not need to encode the dummy XR types generated for renamings.
+      --   Note: at the current time, we also encode compile time known
+      --   bounds if they do not match the natural machine type bounds,
+      --   but this may be removed in the future, since it is redundant
+      --   for most debugging formats. However, we do not ever need XD
+      --   encoding for enumeration base types, since here it is always
+      --   clear what the bounds are from the total number of enumeration
+      --   literals, and of course we do not need to encode the dummy XR
+      --   types generated for renamings.
 
       --     typ___XD
       --     typ___XDL_lowerbound
@@ -614,7 +581,7 @@ package Exp_Dbug is
       --   correspond in a natural manner to its size), then it is left
       --   unencoded. The above encoding forms are used when there is a
       --   constrained range that does not correspond to the size or that
-      --   has discriminant references or other non-static bounds.
+      --   has discriminant references or other compile time known bounds.
 
       --   The first form is used if both bounds are dynamic, in which case
       --   two constant objects are present whose names are typ___L and
@@ -632,14 +599,15 @@ package Exp_Dbug is
       --   name as either a decimal integer, or as the discriminant name.
 
       --   The third form is similarly used if the lower bound is dynamic,
-      --   but the upper bound is static or a discriminant reference, in
-      --   which case the lower bound is stored in a constant object of
-      --   name typ___L, and the upper bound is encoded directly into the
-      --   name as either a decimal integer, or as the discriminant name.
+      --   but the upper bound is compile time known or a discriminant
+      --   reference, in which case the lower bound is stored in a constant
+      --   object of name typ___L, and the upper bound is encoded directly
+      --   into the name as either a decimal integer, or as the discriminant
+      --   name.
 
       --   The fourth form is used if both bounds are discriminant references
-      --   or static values, with the encoding first for the lower bound,
-      --   then for the upper bound, as previously described.
+      --   or compile time known values, with the encoding first for the lower
+      --   bound, then for the upper bound, as previously described.
 
       -------------------
       -- Modular Types --
@@ -668,9 +636,9 @@ package Exp_Dbug is
 
       --   Here lowerbound and upperbound are decimal integers, with the
       --   usual (postfix "m") encoding for negative numbers. Biased
-      --   types are only possible where the bounds are static, and the
-      --   values are represented as unsigned offsets from the lower
-      --   bound given. For example:
+      --   types are only possible where the bounds are compile time
+      --   known, and the values are represented as unsigned offsets
+      --   from the lower bound given. For example:
 
       --     type Q is range 10 .. 15;
       --     for Q'size use 3;
@@ -692,9 +660,10 @@ package Exp_Dbug is
       --    type___XVU
 
       --  The former name is used for a record and the latter for the union
-      --  that is made for a variant record (see below) if that union has
-      --  variable size. These encodings suffix any other encodings that
-      --  might be suffixed to the type name.
+      --  that is made for a variant record (see below) if that record or
+      --  union has a field of variable size or if the record or union itself
+      --  has a variable size. These encodings suffix any other encodings that
+      --  that might be suffixed to the type name.
 
       --  The idea here is to provide all the needed information to interpret
       --  objects of the original type in the form of a "fixed up" type, which
@@ -1193,16 +1162,26 @@ package Exp_Dbug is
 
    --    Thin Pointers
 
-   --      Thin pointers are represented as a pointer to the ARRAY field of
-   --      a structure with two fields. The name of the structure type is
-   --      that of the unconstrained array followed by "___XUT".
-
-   --      The field ARRAY contains the array value. This array field is
-   --      typically a variable-length array, and consequently the entire
-   --      record structure will be encoded as previously described,
-   --      resulting in a type with suffix "___XUT___XVE".
-
-   --      The field BOUNDS is a struct containing the bounds as above.
+   --      The value of a thin pointer is a pointer to the second field
+   --      of a structure with two fields. The name of this structure's
+   --      type is "arr___XUT", where "arr" is the name of the
+   --      unconstrained array type. Even though it actually points into
+   --      middle of this structure, the thin pointer's type in debugging
+   --      information is pointer-to-arr___XUT.
+
+   --      The first field of arr___XUT is named BOUNDS, and has a type
+   --      named arr___XUB, with the structure described for such types
+   --      in fat pointers, as described above.
+
+   --      The second field of arr___XUT is named ARRAY, and contains
+   --      the actual array. Because this array has a dynamic size,
+   --      determined by the BOUNDS field that precedes it, all of the
+   --      information about arr___XUT is encoded in a parallel type named
+   --      arr___XUT___XVE, with fields BOUNDS and ARRAY___XVL. As for
+   --      previously described ___XVE types, ARRAY___XVL has
+   --      a pointer-to-array type. However, the array type in this case
+   --      is named arr___XUA and only its element type is meaningful,
+   --      just as described for fat pointers.
 
    --------------------------------------
    -- Tagged Types and Type Extensions --
@@ -1360,4 +1339,19 @@ package Exp_Dbug is
    --  the second enumeration literal would be named QU43 and the
    --  value assigned to it would be 1.
 
+   ----------------------------
+   -- Effect of Optimization --
+   ----------------------------
+
+   --  If the program is compiled with optimization on (e.g. -O1 switch
+   --  specified), then there may be variations in the output from the
+   --  above specification. In particular, objects may disappear from
+   --  the output. This includes not only constants and variables that
+   --  the program declares at the source level, but also the x___L and
+   --  x___U constants created to describe the lower and upper bounds of
+   --  subtypes with dynamic bounds. This means for example, that array
+   --  bounds may disappear if optimization is turned on. The debugger
+   --  is expected to recognize that these constants are missing and
+   --  deal as best as it can with the limited information available.
+
 end Exp_Dbug;