--- gcc/config/m88k/sysv4.h	2018/04/24 18:10:23	1.1
+++ gcc/config/m88k/sysv4.h	2018/04/24 18:27:39	1.1.1.4
@@ -1,8 +1,10 @@
 /* Definitions of target machine for GNU compiler.
    Motorola 88100 in an 88open ABI environment.
    Copyright (C) 1990, 1991 Free Software Foundation, Inc.
-   Written by Ron Guilmette (rfg@ncd.com).
+
+   Written by Ron Guilmette (rfg@netcom.com).
    Contributed to FSF by Network Computing Devices.
+
    Other contributions by Vince Guarna (vguarna@urbana.mcd.mot.com),
    Ray Essick (essick@i88.isc.com), Wilson Tien (wtien@urbana.mcd.mot.com),
    and Tom Wood (Tom_Wood@NeXT.com)
@@ -21,7 +23,8 @@ GNU General Public License for more deta
 
 You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
 
 /* DWARF_DEBUGGING_INFO defined in svr4.h.  */
 
@@ -48,7 +51,7 @@ the Free Software Foundation, 675 Mass A
 
 #undef  CPP_PREDEFINES
 #define CPP_PREDEFINES \
-  "-Dm88000 -Dm88k -Dunix -D__svr4__ -Amachine(m88k) -Acpu(m88k) -Asystem(unix)"
+  "-Dm88000 -Dm88k -Dunix -D__svr4__ -Amachine(m88k) -Acpu(m88k) -Asystem(unix) -Asystem(svr4)"
 
 /* For the AT&T SVR4 port, the function is _mcount.  */
 #undef	FUNCTION_PROFILER
@@ -58,7 +61,25 @@ the Free Software Foundation, 675 Mass A
 /* Override svr4.h and m88k.h.  */
 #undef	INIT_SECTION_ASM_OP
 #define INIT_SECTION_ASM_OP "section\t.init,\"xa\",#progbits"
+#undef	FINI_SECTION_ASM_OP
+#define FINI_SECTION_ASM_OP "section\t.fini,\"xa\",#progbits"
+
+/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
+ 
+   Note that we want to give these sections the SHF_WRITE attribute
+   because these sections will actually contain data (i.e. tables of
+   addresses of functions in the current root executable or shared library
+   file) and, in the case of a shared library, the relocatable addresses
+   will have to be properly resolved/relocated (and then written into) by
+   the dynamic linker when it actually attaches the given shared library
+   to the executing process.  (Note that on SVR4, you may wish to use the
+   `-z text' option to the ELF linker, when building a shared library, as
+   an additional check that you are doing everything right.  But if you do
+   use the `-z text' option when building a shared library, you will get
+   errors unless the .ctors and .dtors sections are marked as writable
+   via the SHF_WRITE attribute.)  */
+ 
 #undef	CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP	"section\t.ctors,\"a\",#progbits"
+#define CTORS_SECTION_ASM_OP	"section\t.ctors,\"aw\""
 #undef	DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP	"section\t.dtors,\"a\",#progbits"
+#define DTORS_SECTION_ASM_OP	"section\t.dtors,\"aw\""