41intnam.ads, [...]: Merge in ACT changes.

	* 41intnam.ads, 42intnam.ads, 4aintnam.ads, 4cintnam.ads,
	4dintnam.ads, 4gintnam.ads, 4hintnam.ads, 4lintnam.ads,
	4mintnam.ads, 4pintnam.ads, 4rintnam.ads, 4sintnam.ads,
	4uintnam.ads, 4vcalend.adb, 4zintnam.ads, 52system.ads,
	5amastop.adb, 5asystem.ads, 5ataprop.adb, 5atpopsp.adb,
	5avxwork.ads, 5bosinte.adb, 5bsystem.ads, 5esystem.ads,
	5fsystem.ads, 5ftaprop.adb, 5ginterr.adb, 5gmastop.adb,
	5gsystem.ads, 5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads,
	5hparame.ads, 5hsystem.ads, 5htaprop.adb, 5htraceb.adb,
	5itaprop.adb, 5ksystem.ads, 5kvxwork.ads, 5lintman.adb,
	5lsystem.ads, 5mvxwork.ads, 5ninmaop.adb, 5nosinte.ads,
	5ntaprop.adb, 5ointerr.adb, 5omastop.adb, 5oosinte.adb,
	5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5pvxwork.ads,
	5qtaprop.adb, 5sintman.adb, 5ssystem.ads, 5staprop.adb,
	5stpopse.adb, 5svxwork.ads, 5tosinte.ads, 5uintman.adb,
	5vasthan.adb, 5vinmaop.adb, 5vinterr.adb, 5vintman.adb,
	5vmastop.adb, 5vparame.ads, 5vsystem.ads, 5vtaprop.adb,
	5vtpopde.adb, 5wmemory.adb, 5wsystem.ads, 5wtaprop.adb,
	5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb,
	5zosinte.ads, 5zsystem.ads, 5ztaprop.adb, 6vcpp.adb, 6vcstrea.adb,
	7sintman.adb, 7staprop.adb, 7stpopsp.adb, 9drpc.adb,
	Make-lang.in, Makefile.in, a-caldel.adb, a-comlin.ads,
	a-dynpri.adb, a-except.adb, a-except.ads, a-finali.adb,
	a-ncelfu.ads, a-reatim.adb, a-retide.adb, a-stream.ads,
	a-ststio.adb, a-ststio.ads, a-stwifi.adb, a-tags.adb, a-tasatt.adb,
	a-textio.adb, a-tideau.adb, a-tiflau.adb, a-tigeau.adb,
	a-tigeau.ads, a-tiinau.adb, a-timoau.adb, a-witeio.adb,
	a-wtdeau.adb, a-wtenau.adb, a-wtflau.adb, a-wtgeau.adb,
	a-wtgeau.ads, a-wtinau.adb, a-wtmoau.adb, ada-tree.def, ada-tree.h,
	adaint.c, adaint.h, ali-util.adb, ali.adb, ali.ads, atree.adb,
	atree.ads, atree.h, back_end.adb, bcheck.adb, bindgen.adb,
	bindusg.adb, checks.adb, comperr.adb, config-lang.in, csets.adb,
	csets.ads, cstand.adb, cstreams.c, debug.adb, debug.ads, decl.c,
	einfo.adb, einfo.ads, einfo.h, elists.h, errout.adb, errout.ads,
	eval_fat.adb, exp_aggr.adb, exp_attr.adb, exp_ch11.adb,
	exp_ch12.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_ch9.adb, exp_ch9.ads, exp_dbug.adb, exp_dbug.ads, exp_disp.ads,
	exp_dist.adb, exp_fixd.adb, exp_intr.adb, exp_pakd.adb,
	exp_prag.adb, exp_strm.adb, exp_util.adb, exp_util.ads,
	expander.adb, expect.c, fe.h, fmap.adb, fmap.ads, fname-uf.adb,
	freeze.adb, frontend.adb, g-awk.adb, g-cgideb.adb, g-comlin.adb,
	g-comlin.ads, g-debpoo.adb, g-dirope.adb, g-dirope.ads,
	g-dyntab.adb, g-expect.adb, g-expect.ads, g-io.ads, g-io_aux.adb,
	g-io_aux.ads, g-locfil.adb, g-locfil.ads, g-os_lib.adb,
	g-os_lib.ads, g-regexp.adb, g-regpat.adb, g-socket.adb,
	g-socket.ads, g-spipat.adb, g-table.adb, g-trasym.adb,
	g-trasym.ads, gigi.h, gmem.c, gnat1drv.adb, gnatbind.adb, gnatbl.c,
	gnatchop.adb, gnatcmd.adb, gnatdll.adb, gnatfind.adb, gnatlbr.adb,
	gnatlink.adb, gnatls.adb, gnatmem.adb, gnatprep.adb, gnatvsn.ads,
	gnatxref.adb, hlo.adb, hostparm.ads, i-cobol.adb, i-cpp.adb,
	i-cstrea.ads, i-cstrin.adb, i-pacdec.adb, i-vxwork.ads,
	impunit.adb, init.c, inline.adb, io-aux.c, layout.adb, lib-load.adb,
	lib-util.adb, lib-writ.adb, lib-writ.ads, lib-xref.adb,
	lib-xref.ads, lib.adb, lib.ads, make.adb, makeusg.adb, mdll.adb,
	memroot.adb, misc.c, mlib-tgt.adb, mlib-utl.adb, mlib-utl.ads,
	mlib.adb, namet.adb, namet.ads, namet.h, nlists.h, nmake.adb,
	nmake.ads, nmake.adt, opt.adb, opt.ads, osint.adb, osint.ads,
	output.adb, output.ads, par-ch2.adb, par-ch3.adb, par-ch5.adb,
	par-prag.adb, par-tchk.adb, par-util.adb, par.adb, prj-attr.adb,
	prj-dect.adb, prj-env.adb, prj-env.ads, prj-nmsc.adb, prj-part.adb,
	prj-proc.adb, prj-strt.adb, prj-tree.adb, prj-tree.ads, prj.adb,
	prj.ads, raise.c, raise.h, repinfo.adb, restrict.adb, restrict.ads,
	rident.ads, rtsfind.adb, rtsfind.ads, s-arit64.adb, s-asthan.adb,
	s-atacco.adb, s-atacco.ads, s-auxdec.adb, s-crc32.adb, s-crc32.ads,
	s-direio.adb, s-fatgen.adb, s-fileio.adb, s-finimp.adb,
	s-gloloc.adb, s-gloloc.ads, s-interr.adb, s-mastop.adb,
	s-mastop.ads, s-memory.adb, s-parame.ads, s-parint.adb,
	s-pooglo.adb, s-pooloc.adb, s-rpc.adb, s-secsta.adb, s-sequio.adb,
	s-shasto.adb, s-soflin.adb, s-soflin.ads, s-stache.adb,
	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-taprop.ads, s-tarest.adb, s-tasdeb.adb,
	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-tassta.adb, s-tasuti.adb, s-tasuti.ads, s-tataat.adb,
	s-tataat.ads, s-tpoben.adb, s-tpoben.ads, s-tpobop.adb,
	s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads,
	s-unstyp.ads, s-widenu.adb, scn-nlit.adb, scn.adb, sem.adb,
	sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb,
	sem_ch10.adb, sem_ch11.adb, sem_ch11.ads, sem_ch12.adb,
	sem_ch13.adb, sem_ch13.ads, sem_ch2.adb, sem_ch3.adb, sem_ch3.ads,
	sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch6.ads, sem_ch7.adb,
	sem_ch8.adb, sem_ch8.ads, sem_ch9.adb, sem_disp.adb, sem_dist.adb,
	sem_elab.adb, sem_elim.adb, sem_elim.ads, sem_eval.adb,
	sem_intr.adb, sem_mech.adb, sem_prag.adb, sem_res.adb,
	sem_type.adb, sem_util.adb, sem_util.ads, sem_vfpt.adb,
	sem_warn.adb, sinfo.adb, sinfo.ads, sinfo.h, sinput-l.adb,
	sinput-l.ads, sinput.adb, sinput.ads, snames.adb, snames.ads,
	snames.h, sprint.adb, sprint.ads, stringt.adb, stringt.ads,
	stringt.h, style.adb, switch.adb, switch.ads, sysdep.c, system.ads,
	table.adb, targparm.adb, targparm.ads, targtyps.c, tbuild.adb,
	tbuild.ads, tracebak.c, trans.c, tree_gen.adb, tree_io.adb,
	treepr.adb, treepr.ads, treeprs.ads, treeprs.adt, ttypes.ads,
	types.adb, types.ads, types.h, uintp.ads, urealp.ads, usage.adb,
	utils.c, utils2.c, validsw.adb, xnmake.adb, xr_tabls.adb,
	xr_tabls.ads, xref_lib.adb, xref_lib.ads : Merge in ACT changes.

	* 1ssecsta.adb, 1ssecsta.ads, a-chlat9.ads, a-cwila9.ads,
	g-enblsp.adb, g-md5.adb, g-md5.ads, gnatname.adb, gnatname.ads,
	mkdir.c, osint-b.adb, osint-b.ads, osint-c.adb, osint-c.ads,
	osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads : New files

	* 3lsoccon.ads, 5qparame.ads, 5qvxwork.ads, 5smastop.adb,
	5zparame.ads, gnatmain.adb, gnatmain.ads, gnatpsys.adb : Removed

	* mdllfile.adb, mdllfile.ads, mdlltool.adb, mdlltool.ads : Renamed
	to mdll-fil.ad[bs] and mdll-util.ad[bs]

	* mdll-fil.adb, mdll-fil.ads, mdll-utl.adb, mdll-utl.ads : Renamed
	from mdllfile.ad[bs] and mdlltool.ad[bs]

From-SVN: r50451

1 files changed, 86 insertions, 90 deletions

diff --git a/gcc/ada/init.c b/gcc/ada/init.c
index 0637b781ad1..f5888b0f995 100644
--- a/gcc/ada/init.c
+++ b/gcc/ada/init.c
@@ -4,11 +4,11 @@
  *                                                                          *
  *                                 I N I T                                  *
  *                                                                          *
- *                            $Revision: 1.7 $
+ *                            $Revision$
  *                                                                          *
  *                          C Implementation File                           *
  *                                                                          *
- *          Copyright (C) 1992-2001 Free Software Foundation, Inc.          *
+ *          Copyright (C) 1992-2002 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- *
@@ -51,6 +51,9 @@
 #include "tconfig.h"
 #include "tsystem.h"
 #include <sys/stat.h>
+
+/* We don't have libiberty, so us malloc.  */
+#define xmalloc(S) malloc (S)
 #else
 #include "config.h"
 #include "system.h"
@@ -94,14 +97,16 @@ extern void   Propagate_Signal_Exception
 	PARAMS ((struct Machine_State *, struct Exception_Data *, const char *));
 
 /* Copies of global values computed by the binder */
-int  __gl_main_priority            = -1;
-int  __gl_time_slice_val           = -1;
-char __gl_wc_encoding              = 'n';
-char __gl_locking_policy           = ' ';
-char __gl_queuing_policy           = ' ';
-char __gl_task_dispatching_policy  = ' ';
-int  __gl_unreserve_all_interrupts = 0;
-int  __gl_exception_tracebacks     = 0;
+int   __gl_main_priority            = -1;
+int   __gl_time_slice_val           = -1;
+char  __gl_wc_encoding              = 'n';
+char  __gl_locking_policy           = ' ';
+char  __gl_queuing_policy           = ' ';
+char *__gl_restrictions             = 0;
+char  __gl_task_dispatching_policy  = ' ';
+int   __gl_unreserve_all_interrupts = 0;
+int   __gl_exception_tracebacks     = 0;
+int   __gl_zero_cost_exceptions     = 0;
 
 /* Indication of whether synchronous signal handler has already been 
    installed by a previous call to adainit */
@@ -126,14 +131,15 @@ int  __gnat_handler_installed      = 0;
 
 void
 __gnat_set_globals (main_priority, time_slice_val, wc_encoding, locking_policy,
-		    queuing_policy, task_dispatching_policy, adafinal_ptr,
-		    unreserve_all_interrupts, exception_tracebacks)
+		    queuing_policy, task_dispatching_policy, restrictions,
+		    unreserve_all_interrupts, exception_tracebacks,
+		    zero_cost_exceptions)
      int main_priority;
      int time_slice_val;
-     int wc_encoding;
-     int locking_policy, queuing_policy, task_dispatching_policy;
-     void (*adafinal_ptr) PARAMS ((void)) ATTRIBUTE_UNUSED;
-     int unreserve_all_interrupts, exception_tracebacks;
+     char wc_encoding;
+     char locking_policy, queuing_policy, task_dispatching_policy;
+     char *restrictions;
+     int unreserve_all_interrupts, exception_tracebacks, zero_cost_exceptions;
 {
   static int already_called = 0;
 
@@ -163,14 +169,14 @@ __gnat_set_globals (main_priority, time_slice_val, wc_encoding, locking_policy,
 
   if (already_called)
     {
-      if (__gl_locking_policy           != locking_policy ||
-          __gl_queuing_policy           != queuing_policy ||
-          __gl_task_dispatching_policy  != task_dispatching_policy ||
-          __gl_unreserve_all_interrupts != unreserve_all_interrupts ||
-          __gl_exception_tracebacks     != exception_tracebacks)
-        {
-	  __gnat_raise_program_error (__FILE__, __LINE__);
-	}
+      if (__gl_locking_policy		   != locking_policy
+	  || __gl_queuing_policy           != queuing_policy
+	  || __gl_task_dispatching_policy  != task_dispatching_policy
+	  || __gl_unreserve_all_interrupts != unreserve_all_interrupts
+	  || __gl_exception_tracebacks     != exception_tracebacks
+	  || __gl_zero_cost_exceptions     != zero_cost_exceptions)
+	__gnat_raise_program_error (__FILE__, __LINE__);
+
       return;
     }
   already_called = 1;
@@ -180,9 +186,25 @@ __gnat_set_globals (main_priority, time_slice_val, wc_encoding, locking_policy,
   __gl_wc_encoding              = wc_encoding;
   __gl_locking_policy           = locking_policy;
   __gl_queuing_policy           = queuing_policy;
+  __gl_restrictions             = restrictions;
   __gl_task_dispatching_policy  = task_dispatching_policy;
   __gl_unreserve_all_interrupts = unreserve_all_interrupts;
   __gl_exception_tracebacks     = exception_tracebacks;
+
+  /* ??? __gl_zero_cost_exceptions is new in 3.15 and is referenced from
+     a-except.adb, which is also part of the compiler sources. Since the
+     compiler is built with an older release of GNAT, the call generated by
+     the old binder to this function does not provide any value for the
+     corresponding argument, so the global has to be initialized in some
+     reasonable other way. This could be removed as soon as the next major
+     release is out.  */
+
+#ifdef IN_RTS
+  __gl_zero_cost_exceptions = zero_cost_exceptions;
+#else
+  __gl_zero_cost_exceptions = 0;
+  /* We never build the compiler to run in ZCX mode currently anyway.  */
+#endif
 }
 
 /*********************/
@@ -268,13 +290,9 @@ __gnat_install_handler ()
 
   (void) sigaction (SIGABRT, &act, NULL);
   (void) sigaction (SIGFPE,  &act, NULL);
-
-  if (__gl_unreserve_all_interrupts == 0) 
-    {
-      (void) sigaction (SIGILL,  &act, NULL);
-      (void) sigaction (SIGSEGV, &act, NULL);
-      (void) sigaction (SIGBUS,  &act, NULL);
-    }
+  (void) sigaction (SIGILL,  &act, NULL);
+  (void) sigaction (SIGSEGV, &act, NULL);
+  (void) sigaction (SIGBUS,  &act, NULL);
   __gnat_handler_installed = 1;
 }
 
@@ -393,13 +411,9 @@ __gnat_install_handler ()
 
   (void) sigaction (SIGABRT, &act, NULL);
   (void) sigaction (SIGFPE,  &act, NULL);
-
-  if (__gl_unreserve_all_interrupts == 0)
-    {
-      (void) sigaction (SIGILL,  &act, NULL);
-      (void) sigaction (SIGSEGV, &act, NULL);
-      (void) sigaction (SIGBUS,  &act, NULL);
-    }
+  (void) sigaction (SIGILL,  &act, NULL);
+  (void) sigaction (SIGSEGV, &act, NULL);
+  (void) sigaction (SIGBUS,  &act, NULL);
 
   __gnat_handler_installed = 1;
 }
@@ -491,12 +505,14 @@ __gnat_install_handler ()
      handled properly, avoiding a SEGV generation from stack usage by the
      handler itself. */
 
-  static char handler_stack [SIGSTKSZ];
+  static char handler_stack[SIGSTKSZ*2];
+  /* SIGSTKSZ appeared to be "short" for the needs in some contexts
+     (e.g. experiments with GCC ZCX exceptions).  */
 
   stack_t stack;
 
   stack.ss_sp    = handler_stack;
-  stack.ss_size  = SIGSTKSZ;
+  stack.ss_size  = sizeof (handler_stack);
   stack.ss_flags = 0;
 
   (void) sigaltstack (&stack, NULL);
@@ -507,13 +523,10 @@ __gnat_install_handler ()
 
   (void) sigaction (SIGABRT, &act, NULL);
   (void) sigaction (SIGFPE,  &act, NULL);
+  (void) sigaction (SIGILL,  &act, NULL);
+  (void) sigaction (SIGSEGV, &act, NULL);
+  (void) sigaction (SIGBUS,  &act, NULL);
 
-  if (__gl_unreserve_all_interrupts == 0)
-    {
-      (void) sigaction (SIGILL,  &act, NULL);
-      (void) sigaction (SIGSEGV, &act, NULL);
-      (void) sigaction (SIGBUS,  &act, NULL);
-    }
   __gnat_handler_installed = 1;
 }
 
@@ -654,13 +667,10 @@ __gnat_install_handler ()
 
   (void) sigaction (SIGABRT, &act, NULL);
   (void) sigaction (SIGFPE,  &act, NULL);
+  (void) sigaction (SIGILL,  &act, NULL);
+  (void) sigaction (SIGSEGV, &act, NULL);
+  (void) sigaction (SIGBUS,  &act, NULL);
 
-  if (__gl_unreserve_all_interrupts == 0)
-    {
-      (void) sigaction (SIGILL,  &act, NULL);
-      (void) sigaction (SIGSEGV, &act, NULL);
-      (void) sigaction (SIGBUS,  &act, NULL);
-    }
   __gnat_handler_installed = 1;
 }
 
@@ -878,10 +888,9 @@ __gnat_install_handler ()
 /*  (void) sigaction (SIGABRT, &act, NULL); */
 /*  (void) sigaction (SIGFPE,  &act, NULL); */
 /*  (void) sigaction (SIGBUS,  &act, NULL); */
-  if (__gl_unreserve_all_interrupts == 0)
-    {
-      (void) sigaction (SIGSEGV, &act, NULL);
-    }
+
+  (void) sigaction (SIGSEGV, &act, NULL);
+
   __gnat_handler_installed = 1;
 }
 
@@ -1061,13 +1070,9 @@ __gnat_install_handler ()
 
   (void) sigaction (SIGABRT, &act, NULL);
   (void) sigaction (SIGFPE,  &act, NULL);
-
-  if (__gl_unreserve_all_interrupts == 0)
-    {
-      (void) sigaction (SIGILL,  &act, NULL);
-      (void) sigaction (SIGSEGV, &act, NULL);
-      (void) sigaction (SIGBUS,  &act, NULL);
-    }
+  (void) sigaction (SIGILL,  &act, NULL);
+  (void) sigaction (SIGSEGV, &act, NULL);
+  (void) sigaction (SIGBUS,  &act, NULL);
   (void) sigaction (SIGADAABORT,  &act, NULL);
   __gnat_handler_installed = 1;
 }
@@ -1170,13 +1175,10 @@ __gnat_install_handler ()
   (void) sigemptyset (&act.sa_mask);
 
   (void) sigaction (SIGABRT, &act, NULL);
+  (void) sigaction (SIGFPE,  &act, NULL);
+  (void) sigaction (SIGSEGV, &act, NULL);
+  (void) sigaction (SIGBUS,  &act, NULL);
 
-  if (__gl_unreserve_all_interrupts == 0)
-    {
-      (void) sigaction (SIGFPE,  &act, NULL);
-      (void) sigaction (SIGSEGV, &act, NULL);
-      (void) sigaction (SIGBUS,  &act, NULL);
-    }
   __gnat_handler_installed = 1;
 }
 
@@ -1256,13 +1258,10 @@ __gnat_install_handler ()
 
   (void) sigaction (SIGABRT, &act, NULL);
   (void) sigaction (SIGFPE,  &act, NULL);
+  (void) sigaction (SIGILL,  &act, NULL);
+  (void) sigaction (SIGSEGV, &act, NULL);
+  (void) sigaction (SIGBUS,  &act, NULL);
 
-  if (__gl_unreserve_all_interrupts == 0)
-    {
-      (void) sigaction (SIGILL,  &act, NULL);
-      (void) sigaction (SIGSEGV, &act, NULL);
-      (void) sigaction (SIGBUS,  &act, NULL);
-    }
   __gnat_handler_installed = 1;
 }
 
@@ -1317,21 +1316,21 @@ extern struct Exception_Data *Coded_Exception (int);
 
 struct descriptor_s {unsigned short len, mbz; char *adr; };
 
-static long __gnat_error_handler PARAMS ((int *, void *));
+long __gnat_error_handler PARAMS ((int *, void *));
 
-static long
+long
 __gnat_error_handler (sigargs, mechargs)
      int *sigargs;
      void *mechargs;
 {
   struct Exception_Data *exception = 0;
   char *msg = "";
-  char message [256];
+  char message[256];
   long prvhnd;
   struct descriptor_s msgdesc;
   int msg_flag = 0x000f; /* 1 bit for each of the four message parts */
   unsigned short outlen;
-  char curr_icb [544];
+  char curr_icb[544];
   long curr_invo_handle;
   long *mstate;
 
@@ -1359,20 +1358,20 @@ __gnat_error_handler (sigargs, mechargs)
 
 #ifdef IN_RTS
   /* See if it's an imported exception. Mask off severity bits. */
-  exception = Coded_Exception (sigargs [1] & 0xfffffff8);
+  exception = Coded_Exception (sigargs[1] & 0xfffffff8);
   if (exception)
     {
       msgdesc.len = 256;
       msgdesc.mbz = 0;
       msgdesc.adr = message;
       SYS$GETMSG (sigargs[1], &outlen, &msgdesc, msg_flag, 0);
-      message [outlen] = 0;
+      message[outlen] = 0;
       msg = message;
 
       exception->Name_Length = 19;
       /* The full name really should be get sys$getmsg returns. ??? */
       exception->Full_Name = "IMPORTED_EXCEPTION";
-      exception->Import_Code = sigargs [1] & 0xfffffff8;
+      exception->Import_Code = sigargs[1] & 0xfffffff8;
     }
 #endif
 
@@ -1440,7 +1439,7 @@ __gnat_error_handler (sigargs, mechargs)
 	msgdesc.mbz = 0;
 	msgdesc.adr = message;
 	SYS$GETMSG (sigargs[1], &outlen, &msgdesc, msg_flag, 0);
-	message [outlen] = 0;
+	message[outlen] = 0;
 	msg = message;
 	break;
       }
@@ -1463,7 +1462,7 @@ __gnat_install_handler ()
   long prvhnd;
   char *c;
 
-  c = (char *) malloc (2049);
+  c = (char *) xmalloc (2049);
 
   __gnat_error_prehandler_stack = &c[2048];
 
@@ -1593,13 +1592,10 @@ __gnat_install_handler ()
   (void) sigemptyset (&act.sa_mask);
 
   (void) sigaction (SIGFPE,  &act, NULL);
+  (void) sigaction (SIGILL,  &act, NULL);
+  (void) sigaction (SIGSEGV, &act, NULL);
+  (void) sigaction (SIGBUS,  &act, NULL);
 
-  if (__gl_unreserve_all_interrupts == 0)
-    {
-      (void) sigaction (SIGILL,  &act, NULL);
-      (void) sigaction (SIGSEGV, &act, NULL);
-      (void) sigaction (SIGBUS,  &act, NULL);
-    }
   __gnat_handler_installed = 1;
 }