config.gcc (mips-sgi-irix6*): Add t-iris6gld to tmake_file when using GNU ld.

	* config.gcc (mips-sgi-irix6*): Add t-iris6gld to tmake_file when
	using GNU ld.
	* config/mips/iris6.h (IRIX6_STARTFILE_SPEC): New, taking the
	whole of the previous STARTFILE_SPEC except crtbegin.o%s.
	(IRIX6_ENDFILE_SPEC): Likewise ENDFILE_SPEC and crtend.o%s.
	(STARTFILE_SPEC, ENDFILE_SPEC): Define in terms of the above.
	(SUBTARGET_EXTRA_SPECS): Define.
	* config/mips/iris6gld.h (LINK_SPEC): Change -init function
	to __gcc_init and -fini function to __gcc_fini.
	(STARTFILE_SPEC): Redefine, including irix6-crti.o before crtbegin.o.
	(ENDFILE_SPEC): Likewise, including irix6-crtn.o after crtend.o.
	(INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Define.
	* config/mips/t-iris6gld,
	* config/mips/irix6-crti.asm,
	* config/mips/irix6-crtn.asm: New files.

From-SVN: r73891

gcc/ChangeLog

+2003-11-24  Richard Sandiford  <rsandifo@redhat.com>
+
+	* config.gcc (mips-sgi-irix6*): Add t-iris6gld to tmake_file when
+	using GNU ld.
+	* config/mips/iris6.h (IRIX6_STARTFILE_SPEC): New, taking the
+	whole of the previous STARTFILE_SPEC except crtbegin.o%s.
+	(IRIX6_ENDFILE_SPEC): Likewise ENDFILE_SPEC and crtend.o%s.
+	(STARTFILE_SPEC, ENDFILE_SPEC): Define in terms of the above.
+	(SUBTARGET_EXTRA_SPECS): Define.
+	* config/mips/iris6gld.h (LINK_SPEC): Change -init function
+	to __gcc_init and -fini function to __gcc_fini.
+	(STARTFILE_SPEC): Redefine, including irix6-crti.o before crtbegin.o.
+	(ENDFILE_SPEC): Likewise, including irix6-crtn.o after crtend.o.
+	(INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Define.
+	* config/mips/t-iris6gld,
+	* config/mips/irix6-crti.asm,
+	* config/mips/irix6-crtn.asm: New files.
+
 2003-11-24  Eric Christopher  <echristo@redhat.com>
 
 	PR C/13014

gcc/config.gcc

@@ -1418,6 +1418,7 @@ mips-sgi-irix6*o32)		# SGI System V.4., IRIX 6, O32 ABI
 	;;
 mips-sgi-irix6*)		# SGI System V.4., IRIX 6
 	tm_file="${tm_file} mips/iris5.h mips/iris6.h"
+	tmake_file="mips/t-iris mips/t-iris5-6 mips/t-iris6"
 	if test x$gas = xyes
 	then
 		tm_file="${tm_file} mips/iris6gas.h"
@@ -1425,8 +1426,8 @@ mips-sgi-irix6*)		# SGI System V.4., IRIX 6
 	if test "x$gnu_ld" = xyes
 	then
 		tm_file="${tm_file} mips/iris6gld.h"
+		tmake_file="$tmake_file mips/t-iris6gld"
 	fi
-	tmake_file="mips/t-iris mips/t-iris5-6 mips/t-iris6"
 	target_cpu_default="MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT"
 	tm_defines="MIPS_ISA_DEFAULT=3 MIPS_ABI_DEFAULT=ABI_N32"
 	# See comment in mips/iris5.h file.  Only enabled for O32 ABI

gcc/config/mips/iris6.h

@@ -436,8 +436,7 @@ while (0)
 /* Profiling is supported via libprof1.a not -lc_p as in IRIX 3.  */
 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
    on the mipsX option.  */
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
+#define IRIX6_STARTFILE_SPEC \
   "%{!shared: \
      %{mabi=32:%{pg:gcrt1.o%s} \
        %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
@@ -461,8 +460,10 @@ while (0)
            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
-           %{!p:/usr/lib32/mips3/crt1.o%s}}}}} \
-   crtbegin.o%s"
+           %{!p:/usr/lib32/mips3/crt1.o%s}}}}}"
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%(irix6_startfile_spec) crtbegin.o%s"
 
 #undef LIB_SPEC
 #define LIB_SPEC \
@@ -481,10 +482,8 @@ while (0)
 
 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
    on the mipsX option.  */
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC \
-  "crtend.o%s \
-   %{!shared: \
+#define IRIX6_ENDFILE_SPEC \
+  "%{!shared: \
      %{mabi=32:crtn.o%s}\
      %{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
        %{!mips4:/usr/lib32/mips3/crtn.o%s}}\
@@ -493,6 +492,9 @@ while (0)
      %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
        %{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
 
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend.o%s %(irix6_endfile_spec)"
+
 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
    on the mipsX option.  */
 #undef LINK_SPEC
@@ -516,3 +518,8 @@ do {								\
 } while (0)
 
 #define MIPS_TFMODE_FORMAT mips_extended_format
+
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+  { "irix6_startfile_spec", IRIX6_STARTFILE_SPEC }, \
+  { "irix6_endfile_spec", IRIX6_ENDFILE_SPEC },

gcc/config/mips/iris6gld.h

@@ -44,8 +44,17 @@ Boston, MA 02111-1307, USA.  */
 %{static: -non_shared} \
 %{!static: \
   %{!shared: %{!non_shared: %{!call_shared: -call_shared}}}} \
-%{rpath} -init __do_global_ctors -fini __do_global_dtors \
+%{rpath} -init __gcc_init -fini __gcc_fini \
 %{mabi=32: -melf32bsmip}%{mabi=n32: -melf32bmipn32}%{mabi=64: -melf64bmip}%{!mabi*: -melf32bmipn32}"
 
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%(irix6_startfile_spec) irix6-crti.o%s crtbegin.o%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend.o%s irix6-crtn.o%s %(irix6_endfile_spec)"
+
 /* The GNU linker supports one-only sections.  */
 #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
+
+#define INIT_SECTION_ASM_OP "\t.section\t.init,0x1,0x6,4,4"
+#define FINI_SECTION_ASM_OP "\t.section\t.fini,0x1,0x6,4,4"

gcc/config/mips/irix6-crti.asm

+	.abicalls
+	.set	noreorder
+	.set	nomacro
+
+	.section .init,0x1,0x6,4,4
+	jr	$31
+	nop
+
+	.globl	__gcc_init
+__gcc_init:
+#if _MIPS_SIM == _ABIO32
+	addiu	$sp,$sp,-16
+	sw	$31,0($sp)
+#else
+	daddiu	$sp,$sp,-16
+	sd	$31,0($sp)
+	sd	$28,8($sp)
+#endif
+
+	.section .fini,0x1,0x6,4,4
+	jr	$31
+	nop
+
+	.globl	__gcc_fini
+__gcc_fini:
+#if _MIPS_SIM == _ABIO32
+	addiu	$sp,$sp,-16
+	sw	$31,0($sp)
+#else
+	daddiu	$sp,$sp,-16
+	sd	$31,0($sp)
+	sd	$28,8($sp)
+#endif

gcc/config/mips/irix6-crtn.asm

+	.abicalls
+	.set	noreorder
+	.set	nomacro
+
+	.section .init,0x1,0x6,4,4
+#if _MIPS_SIM == _ABIO32
+	lw	$31,0($sp)
+	jr	$31
+	addiu	$sp,$sp,16
+#else
+	ld	$31,0($sp)
+	ld	$28,8($sp)
+	jr	$31
+	daddiu	$sp,$sp,16
+#endif
+
+	.section .fini,0x1,0x6,4,4
+#if _MIPS_SIM == _ABIO32
+	lw	$31,0($sp)
+	jr	$31
+	addiu	$sp,$sp,16
+#else
+	ld	$31,0($sp)
+	ld	$28,8($sp)
+	jr	$31
+	daddiu	$sp,$sp,16
+#endif

gcc/config/mips/t-iris6gld

+$(T)irix6-crti.o: $(srcdir)/config/mips/irix6-crti.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $@ -x assembler-with-cpp $<
+
+$(T)irix6-crtn.o: $(srcdir)/config/mips/irix6-crtn.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $@ -x assembler-with-cpp $<
+
+EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o irix6-crti.o irix6-crtn.o