* msp430/Makefile.in (SCRIPTS): Add intr_vectors.ld.

(LIB_CRT): New.
	(CRT_OBJS): New.
	(all): Add dependency upon LIB_CRT.
	(install): Likewise.
	* msp430/msp430-sim.ld: Include intr_vectors.ld.
	KEEP crt code, lowtext code and tm_clone_table.
	Separate the noinit section from the .bss section.
	Allow for extended .debug_line sections.
	* msp430/msp430.ld: Likewise.
	* msp430/msp430F5438A-l.ld: Likewise.
	* msp430/msp430F5438A-s.ld: Likewise.
	* msp430/msp430xl-sim.ld: Likewise
.	* msp430/crt_movedata.S: New.
	* msp430/crt_bss.S: New.
	* msp430/intr_vectors.ld: New.

libgloss/ChangeLog

@@ -1,3 +1,22 @@
+2013-09-18  Nick Clifton  <nickc@redhat.com>
+
+	* msp430/Makefile.in (SCRIPTS): Add intr_vectors.ld.
+	(LIB_CRT): New.
+	(CRT_OBJS): New.
+	(all): Add dependency upon LIB_CRT.
+	(install): Likewise.
+	* msp430/msp430-sim.ld: Include intr_vectors.ld.
+	KEEP crt code, lowtext code and tm_clone_table.
+	Separate the noinit section from the .bss section.
+	Allow for extended .debug_line sections.
+	* msp430/msp430.ld: Likewise.
+	* msp430/msp430F5438A-l.ld: Likewise.
+	* msp430/msp430F5438A-s.ld: Likewise.
+	* msp430/msp430xl-sim.ld: Likewise
+.	* msp430/crt_movedata.S: New.
+	* msp430/crt_bss.S: New.
+	* msp430/intr_vectors.ld: New.
+
 2013-09-17  Joey Ye  <joey.ye@arm.com>
 
 	* libnosys/Makefile.in: Install nosys.specs.

libgloss/msp430/Makefile.in

@@ -60,6 +60,7 @@ SCRIPTS = $(srcdir)/msp430.ld $(srcdir)/msp430-sim.ld
 SCRIPTS += $(srcdir)/msp430xl-sim.ld
 SCRIPTS += $(srcdir)/msp430F5438A-s.ld
 SCRIPTS += $(srcdir)/msp430F5438A-l.ld
+
 CRT = gcrt0.o crt0.o crtn.o
 SIM_BSP = libsim.a
 LIBNOSYS = libnosys.a
@@ -74,6 +75,12 @@ NOSYS_OBJS = nosyscalls.o \
 	write.o \
 	sbrk.o
 
+SCRIPTS += $(srcdir)/intr_vectors.ld
+
+LIB_CRT = libcrt.a
+
+CRT_OBJS = crt_bss.o crt_movedata.o
+
 #### Host specific Makefile fragment comes in here.
 @host_makefile_frag@
 
@@ -82,17 +89,20 @@ NOSYS_OBJS = nosyscalls.o \
 .S.o:
 	$(CC) -Wa,-gdwarf2 -Wa,-I$(srcdir) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $<
 
-all: $(CRT) $(SIM_BSP) $(LIBNOSYS) copy_scripts_to_objdir
+all: $(CRT) $(SIM_BSP) $(LIBNOSYS) $(LIB_CRT) copy_scripts_to_objdir
 
 $(SIM_BSP): $(SIM_OBJS)
 	$(AR) $(ARFLAGS) $@ $?
 	$(RANLIB) $@
 
-
 $(LIBNOSYS): $(NOSYS_OBJS)
 	$(AR) $(ARFLAGS) $@ $?
 	$(RANLIB) $@
 
+$(LIB_CRT): $(CRT_OBJS)
+	$(AR) $(ARFLAGS) $@ $?
+	$(RANLIB) $@
+
 copy_scripts_to_objdir: $(SCRIPTS)
 	cp $(SCRIPTS) $(objdir)
 
@@ -126,8 +136,8 @@ unlink.o : $(SDEPS)
 utime.o : $(SDEPS)
 write.o : $(SDEPS)
 
-install: $(CRT) $(SIM_BSP) $(LIBNOSYS) $(SCRIPTS)
+install: $(CRT) $(SIM_BSP) $(LIBNOSYS) $(LIB_CRT) $(SCRIPTS)
-	for c in $(CRT) $(SIM_BSP) $(LIBNOSYS); do \
+	for c in $(CRT) $(SIM_BSP) $(LIBNOSYS) $(LIB_CRT); do \
 	  $(INSTALL_DATA) $$c $(tooldir)/lib${MULTISUBDIR}/$$c ;\
 	done
 	for c in $(SCRIPTS); do \

libgloss/msp430/crt_bss.S

@@ -0,0 +1,44 @@
+/* Copyright (c) 2012-2013 Red Hat Incorporated.
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met: 
+
+     Redistributions of source code must retain the above copyright 
+     notice, this list of conditions and the following disclaimer.
+
+     Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+
+     The name of Red Hat Incorporated may not be used to endorse 
+     or promote products derived from this software without specific 
+     prior written permission.
+
+   This software is provided by the copyright holders and contributors
+   "AS IS" and any express or implied warranties, including, but not
+   limited to, the implied warranties of merchantability and fitness for
+   a particular purpose are disclaimed.  In no event shall Red Hat
+   incorporated be liable for any direct, indirect, incidental, special,
+   exemplary, or consequential damages (including, but not limited to,
+   procurement of substitute goods or services; loss of use, data, or
+   profits; or business interruption) however caused and on any theory of
+   liability, whether in contract, strict liability, or tort (including
+   negligence or otherwise) arising in any way out of the use of this
+   software, even if advised of the possibility of such damage.  */
+
+#include "memmodel.h"
+
+	.section ".crt_bss", "ax", @progbits
+
+	.global __crt0_init_bss
+__crt0_init_bss:	
+	
+	mov_	#__bssstart, R12
+	clr.w	R13
+	mov.w	#__bsssize, R14
+#ifdef __MSP430X_LARGE__
+	clr.w	R15		; We assume that __bsssize is never > 64M
+#endif
+	call_	#memset

libgloss/msp430/crt_movedata.S

@@ -0,0 +1,50 @@
+/* Copyright (c) 2012-2013 Red Hat Incorporated.
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met: 
+
+     Redistributions of source code must retain the above copyright 
+     notice, this list of conditions and the following disclaimer.
+
+     Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+
+     The name of Red Hat Incorporated may not be used to endorse 
+     or promote products derived from this software without specific 
+     prior written permission.
+
+   This software is provided by the copyright holders and contributors
+   "AS IS" and any express or implied warranties, including, but not
+   limited to, the implied warranties of merchantability and fitness for
+   a particular purpose are disclaimed.  In no event shall Red Hat
+   incorporated be liable for any direct, indirect, incidental, special,
+   exemplary, or consequential damages (including, but not limited to,
+   procurement of substitute goods or services; loss of use, data, or
+   profits; or business interruption) however caused and on any theory of
+   liability, whether in contract, strict liability, or tort (including
+   negligence or otherwise) arising in any way out of the use of this
+   software, even if advised of the possibility of such damage.  */
+
+#include "memmodel.h"
+
+	.section ".crt_movedata", "ax", @progbits
+
+	.global __crt0_movedata
+__crt0_movedata:	
+	
+	mov_	#__datastart, R12
+	mov_	#__romdatastart, R13
+
+	;;  memmove and memcpy do not currently work when src == dst
+	cmp_	R12, R13
+	jeq	1f
+
+	mov.w	#__romdatacopysize, R14
+#ifdef __MSP430X_LARGE__
+	clr.w	R15		; We assume that __romdatacopysize is never > 64M
+#endif
+	call_	#memmove
+1:	

libgloss/msp430/intr_vectors.ld

@@ -0,0 +1,71 @@
+MEMORY
+{
+  VECT0 (w)     : ORIGIN = 0x0FFC0, LENGTH = 2
+  VECT1 (w)     : ORIGIN = 0x0FFC2, LENGTH = 2
+  VECT2 (w)     : ORIGIN = 0x0FFC4, LENGTH = 2
+  VECT3 (w)     : ORIGIN = 0x0FFC6, LENGTH = 2
+  VECT4 (w)     : ORIGIN = 0x0FFC8, LENGTH = 2
+  VECT5 (w)     : ORIGIN = 0x0FFCA, LENGTH = 2
+  VECT6 (w)     : ORIGIN = 0x0FFCC, LENGTH = 2
+  VECT7 (w)     : ORIGIN = 0x0FFCE, LENGTH = 2
+  VECT8 (w)     : ORIGIN = 0x0FFD0, LENGTH = 2
+  VECT9 (w)     : ORIGIN = 0x0FFD2, LENGTH = 2
+  VECT10 (w)    : ORIGIN = 0x0FFD4, LENGTH = 2
+  VECT11 (w)    : ORIGIN = 0x0FFD6, LENGTH = 2
+  VECT12 (w)    : ORIGIN = 0x0FFD8, LENGTH = 2
+  VECT13 (w)    : ORIGIN = 0x0FFDA, LENGTH = 2
+  VECT14 (w)    : ORIGIN = 0x0FFDC, LENGTH = 2
+  VECT15 (w)    : ORIGIN = 0x0FFDE, LENGTH = 2
+  VECT16 (w)    : ORIGIN = 0x0FFE0, LENGTH = 2
+  VECT17 (w)    : ORIGIN = 0x0FFE2, LENGTH = 2
+  VECT18 (w)    : ORIGIN = 0x0FFE4, LENGTH = 2
+  VECT19 (w)    : ORIGIN = 0x0FFE6, LENGTH = 2
+  VECT20 (w)    : ORIGIN = 0x0FFE8, LENGTH = 2
+  VECT21 (w)    : ORIGIN = 0x0FFEA, LENGTH = 2
+  VECT22 (w)    : ORIGIN = 0x0FFEC, LENGTH = 2
+  VECT23 (w)    : ORIGIN = 0x0FFEE, LENGTH = 2
+  VECT24 (w)    : ORIGIN = 0x0FFF0, LENGTH = 2
+  VECT25 (w)    : ORIGIN = 0x0FFF2, LENGTH = 2
+  VECT26 (w)    : ORIGIN = 0x0FFF4, LENGTH = 2
+  VECT27 (w)    : ORIGIN = 0x0FFF6, LENGTH = 2
+  VECT28 (w)    : ORIGIN = 0x0FFF8, LENGTH = 2
+  VECT29 (w)    : ORIGIN = 0x0FFFA, LENGTH = 2
+  VECT30 (w)    : ORIGIN = 0x0FFFC, LENGTH = 2
+  VECT31 (w)    : ORIGIN = 0x0FFFE, LENGTH = 2
+}
+
+SECTIONS
+{
+  __interrupt_vector_0  : { KEEP (*(__interrupt_vector_0))  } > VECT0
+  __interrupt_vector_1  : { KEEP (*(__interrupt_vector_1))  } > VECT1
+  __interrupt_vector_2  : { KEEP (*(__interrupt_vector_2))  } > VECT2
+  __interrupt_vector_3  : { KEEP (*(__interrupt_vector_3))  } > VECT3
+  __interrupt_vector_4  : { KEEP (*(__interrupt_vector_4))  } > VECT4
+  __interrupt_vector_5  : { KEEP (*(__interrupt_vector_5))  } > VECT5
+  __interrupt_vector_6  : { KEEP (*(__interrupt_vector_6))  } > VECT6
+  __interrupt_vector_7  : { KEEP (*(__interrupt_vector_7))  } > VECT7
+  __interrupt_vector_8  : { KEEP (*(__interrupt_vector_8))  } > VECT8
+  __interrupt_vector_9  : { KEEP (*(__interrupt_vector_9))  } > VECT9
+  __interrupt_vector_10 : { KEEP (*(__interrupt_vector_10)) } > VECT10
+  __interrupt_vector_11 : { KEEP (*(__interrupt_vector_11)) } > VECT11
+  __interrupt_vector_12 : { KEEP (*(__interrupt_vector_12)) } > VECT12
+  __interrupt_vector_13 : { KEEP (*(__interrupt_vector_13)) } > VECT13
+  __interrupt_vector_14 : { KEEP (*(__interrupt_vector_14)) } > VECT14
+  __interrupt_vector_15 : { KEEP (*(__interrupt_vector_15)) } > VECT15
+  __interrupt_vector_16 : { KEEP (*(__interrupt_vector_16)) } > VECT16
+  __interrupt_vector_17 : { KEEP (*(__interrupt_vector_17)) } > VECT17
+  __interrupt_vector_18 : { KEEP (*(__interrupt_vector_18)) } > VECT18
+  __interrupt_vector_19 : { KEEP (*(__interrupt_vector_19)) } > VECT19
+  __interrupt_vector_20 : { KEEP (*(__interrupt_vector_20)) } > VECT20
+  __interrupt_vector_21 : { KEEP (*(__interrupt_vector_21)) } > VECT21
+  __interrupt_vector_22 : { KEEP (*(__interrupt_vector_22)) } > VECT22
+  __interrupt_vector_23 : { KEEP (*(__interrupt_vector_23)) } > VECT23
+  __interrupt_vector_24 : { KEEP (*(__interrupt_vector_24)) } > VECT24
+  __interrupt_vector_25 : { KEEP (*(__interrupt_vector_25)) } > VECT25
+  __interrupt_vector_26 : { KEEP (*(__interrupt_vector_26)) KEEP (*(__interrupt_vector_watchdog)) } > VECT26
+  __interrupt_vector_27 : { KEEP (*(__interrupt_vector_27)) } > VECT27
+  __interrupt_vector_28 : { KEEP (*(__interrupt_vector_28)) } > VECT28
+  __interrupt_vector_29 : { KEEP (*(__interrupt_vector_29)) } > VECT29
+  __interrupt_vector_30 : { KEEP (*(__interrupt_vector_30)) KEEP (*(__interrupt_vector_nmi)) } > VECT30
+  __interrupt_vector_31 : { KEEP (*(__interrupt_vector_31)) KEEP (*(__interrupt_vector_reset)) KEEP (*(.resetvec)) } > VECT31
+}

libgloss/msp430/msp430-sim.ld

@@ -18,7 +18,10 @@ ENTRY(_start)
 /* Do we need any of these for elf?
    __DYNAMIC = 0;    */
 
-MEMORY {
+INCLUDE intr_vectors.ld
+
+MEMORY
+{
 	RAM (w)      : ORIGIN = 0x00200, LENGTH = 0x0ee00
 	RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
 }
@@ -77,7 +80,12 @@ SECTIONS
   {
     . = ALIGN(2);
     PROVIDE (_start = .);
-    *(.lowtext .text .stub .text.* .gnu.linkonce.t.* .text:*)
+    KEEP (*(.crt_init))
+    KEEP (*(.crt_bss))
+    KEEP (*(.crt_movedata))
+    KEEP (*(.crt_main))
+    KEEP (*(.lowtext))
+    *(.text .stub .text.* .gnu.linkonce.t.* .text:*)
     KEEP (*(.text.*personality*))
     /* .gnu.warning sections are handled specially by elf32.em.  */
     *(.gnu.warning)
@@ -88,6 +96,7 @@ SECTIONS
     . = ALIGN(2);
     KEEP (*(.init))
     KEEP (*(.fini))
+    KEEP (*(.tm_clone_table))
   } > RAM
 
   .data : {
@@ -127,15 +136,23 @@ SECTIONS
     *(.dynbss)
     *(.sbss .sbss.*)
     *(.bss .bss.* .gnu.linkonce.b.*)
-    . = ALIGN(2);
-    *(COMMON)
-    . = ALIGN(2);
     PROVIDE (__bssend = .);
-    _end = .;
-    PROVIDE (end = .);
   } > RAM
   PROVIDE (__bsssize = SIZEOF(.bss));
 
+  /* This section contains data that is not initialised at startup.  */
+  .noinit : {
+    . = ALIGN(2);
+    PROVIDE (__noinit_start = .);
+    *(.noinit)
+    . = ALIGN(2);
+    *(COMMON)
+    PROVIDE (__noinit_end = .);
+  } > RAM
+    
+  _end = .;
+  PROVIDE (end = .);
+
   .stack (ORIGIN (RAM) + LENGTH(RAM)) :
   {
     PROVIDE (__stack = .);
@@ -174,7 +191,7 @@ SECTIONS
   /* DWARF 2 */
   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
   .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
+  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
   .debug_frame    0 : { *(.debug_frame) }
   .debug_str      0 : { *(.debug_str) }
   .debug_loc      0 : { *(.debug_loc) }

libgloss/msp430/msp430.ld

@@ -18,6 +18,8 @@ ENTRY(_start)
 /* Do we need any of these for elf?
    __DYNAMIC = 0;    */
 
+INCLUDE intr_vectors.ld
+
 MEMORY {
 	RAM (w)      : ORIGIN = 0x00200, LENGTH = 0x0ee00
 	RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
@@ -77,7 +79,12 @@ SECTIONS
   {
     . = ALIGN(2);
     PROVIDE (_start = .);
-    *(.lowtext .text .stub .text.* .gnu.linkonce.t.* .text:*)
+    KEEP (*(.crt_init))
+    KEEP (*(.crt_bss))
+    KEEP (*(.crt_movedata))
+    KEEP (*(.crt_main))
+    KEEP (*(.lowtext))
+    *(.text .stub .text.* .gnu.linkonce.t.* .text:*)
     KEEP (*(.text.*personality*))
     /* .gnu.warning sections are handled specially by elf32.em.  */
     *(.gnu.warning)
@@ -88,6 +95,7 @@ SECTIONS
     . = ALIGN(2);
     KEEP (*(.init))
     KEEP (*(.fini))
+    KEEP (*(.tm_clone_table))
   } > RAM
 
   .data : {
@@ -127,15 +135,23 @@ SECTIONS
     *(.dynbss)
     *(.sbss .sbss.*)
     *(.bss .bss.* .gnu.linkonce.b.*)
-    . = ALIGN(2);
-    *(COMMON)
-    . = ALIGN(2);
     PROVIDE (__bssend = .);
-    _end = .;
-    PROVIDE (end = .);
   } > RAM
   PROVIDE (__bsssize = SIZEOF(.bss));
 
+  /* This section contains data that is not initialised at startup.  */
+  .noinit : {
+    . = ALIGN(2);
+    PROVIDE (__noinit_start = .);
+    *(.noinit)
+    . = ALIGN(2);
+    *(COMMON)
+    PROVIDE (__noinit_end = .);
+  } > RAM
+
+  _end = .;
+  PROVIDE (end = .);
+
   .stack (ORIGIN (RAM) + LENGTH(RAM)) :
   {
     PROVIDE (__stack = .);
@@ -174,7 +190,7 @@ SECTIONS
   /* DWARF 2 */
   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
   .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
+  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
   .debug_frame    0 : { *(.debug_frame) }
   .debug_str      0 : { *(.debug_str) }
   .debug_loc      0 : { *(.debug_loc) }

libgloss/msp430/msp430F5438A-l.ld

@@ -15,10 +15,13 @@
 OUTPUT_ARCH(msp430)
 ENTRY(_start)
 
+INCLUDE intr_vectors.ld
+
 /* Do we need any of these for elf?
    __DYNAMIC = 0;    */
 
-MEMORY {
+MEMORY
+{
 	RAM (w)      : ORIGIN = 0x01c00, LENGTH = 0x04000
 	LOWROM (w)   : ORIGIN = 0x05c00, LENGTH = 0x0a3fe
 	RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
@@ -113,14 +116,23 @@ SECTIONS
     *(.sbss .sbss.*)
     *(.bss .bss.* .gnu.linkonce.b.*)
     . = ALIGN(2);
-    *(COMMON)
-    . = ALIGN(2);
     PROVIDE (__bssend = .);
-    _end = .;
-    PROVIDE (end = .);
   } > RAM
   PROVIDE (__bsssize = SIZEOF(.bss));
 
+  /* This section contains data that is not initialised at startup.  */
+  .noinit : {
+    . = ALIGN(2);
+    PROVIDE (__noinit_start = .);
+    *(.noinit)
+    . = ALIGN(2);
+    *(COMMON)
+    PROVIDE (__noinit_end = .);
+  } > RAM
+
+  _end = .;
+  PROVIDE (end = .);
+
   .stack (ORIGIN (RAM) + LENGTH(RAM)) :
   {
     PROVIDE (__stack = .);
@@ -132,7 +144,11 @@ SECTIONS
   {
     PROVIDE (_start = .);
     . = ALIGN(2);
-    *(.lowtext)
+    KEEP (*(.crt_init))
+    KEEP (*(.crt_bss))
+    KEEP (*(.crt_movedata))
+    KEEP (*(.crt_main))
+    KEEP (*(.lowtext))
   } > LOWROM
 
   .text           :
@@ -149,6 +165,7 @@ SECTIONS
     . = ALIGN(2);
     KEEP (*(.init))
     KEEP (*(.fini))
+    KEEP (*(.tm_clone_table))
   } > ROM
 
   /* The rest are all not normally part of the runtime image.  */
@@ -183,7 +200,7 @@ SECTIONS
   /* DWARF 2 */
   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
   .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
+  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
   .debug_frame    0 : { *(.debug_frame) }
   .debug_str      0 : { *(.debug_str) }
   .debug_loc      0 : { *(.debug_loc) }

libgloss/msp430/msp430F5438A-s.ld

@@ -15,10 +15,13 @@
 OUTPUT_ARCH(msp430)
 ENTRY(_start)
 
+INCLUDE intr_vectors.ld
+
 /* Do we need any of these for elf?
    __DYNAMIC = 0;    */
 
-MEMORY {
+MEMORY
+{
 	RAM (w)      : ORIGIN = 0x01c00, LENGTH = 0x04000
 	ROM (w)      : ORIGIN = 0x05c00, LENGTH = 0x0a3fe
 	RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
@@ -78,7 +81,12 @@ SECTIONS
   {
     . = ALIGN(2);
     PROVIDE (_start = .);
-    *(.lowtext .text .stub .text.* .gnu.linkonce.t.* .text:*)
+    KEEP (*(.crt_init))
+    KEEP (*(.crt_bss))
+    KEEP (*(.crt_movedata))
+    KEEP (*(.crt_main))
+    KEEP (*(.lowtext))
+    *(.text .stub .text.* .gnu.linkonce.t.* .text:*)
     KEEP (*(.text.*personality*))
     /* .gnu.warning sections are handled specially by elf32.em.  */
     *(.gnu.warning)
@@ -89,6 +97,7 @@ SECTIONS
     . = ALIGN(2);
     KEEP (*(.init))
     KEEP (*(.fini))
+    KEEP (*(.tm_clone_table))
   } > ROM
 
   .data : {
@@ -128,15 +137,23 @@ SECTIONS
     *(.dynbss)
     *(.sbss .sbss.*)
     *(.bss .bss.* .gnu.linkonce.b.*)
-    . = ALIGN(2);
-    *(COMMON)
-    . = ALIGN(2);
     PROVIDE (__bssend = .);
-    _end = .;
-    PROVIDE (end = .);
   } > RAM
   PROVIDE (__bsssize = SIZEOF(.bss));
 
+  /* This section contains data that is not initialised at startup.  */
+  .noinit : {
+    . = ALIGN(2);
+    PROVIDE (__noinit_start = .);
+    *(.noinit)
+    . = ALIGN(2);
+    *(COMMON)
+    PROVIDE (__noinit_end = .);
+  } > RAM
+
+  _end = .;
+  PROVIDE (end = .);
+
   .stack (ORIGIN (RAM) + LENGTH(RAM)) :
   {
     PROVIDE (__stack = .);
@@ -175,7 +192,7 @@ SECTIONS
   /* DWARF 2 */
   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
   .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
+  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
   .debug_frame    0 : { *(.debug_frame) }
   .debug_str      0 : { *(.debug_str) }
   .debug_loc      0 : { *(.debug_loc) }

libgloss/msp430/msp430xl-sim.ld

@@ -19,6 +19,8 @@ ENTRY(_start)
 /* Do we need any of these for elf?
    __DYNAMIC = 0;    */
 
+INCLUDE intr_vectors.ld
+
 MEMORY {
 	RAM (rx)     : ORIGIN = 0x00200, LENGTH = 0x0ee00
 	LOWROM (w)    : ORIGIN = 0x0f000, LENGTH = 0x00800
@@ -114,14 +116,23 @@ SECTIONS
     *(.sbss .sbss.*)
     *(.bss .bss.* .gnu.linkonce.b.*)
     . = ALIGN(2);
-    *(COMMON)
-    . = ALIGN(2);
     PROVIDE (__bssend = .);
-    _end = .;
-    PROVIDE (end = .);
   } > RAM
   PROVIDE (__bsssize = SIZEOF(.bss));
 
+  /* This section contains data that is not initialised at startup.  */
+  .noinit : {
+    . = ALIGN(2);
+    PROVIDE (__noinit_start = .);
+    *(.noinit)
+    . = ALIGN(2);
+    *(COMMON)
+    PROVIDE (__noinit_end = .);
+  } > RAM
+
+  _end = .;
+  PROVIDE (end = .);
+
   .stack (ORIGIN (RAM) + LENGTH(RAM)) :
   {
     PROVIDE (__stack = .);
@@ -133,8 +144,13 @@ SECTIONS
   {
     PROVIDE (_start = .);
     . = ALIGN(2);
-    *(.lowtext)
+    KEEP (*(.crt_init))
+    KEEP (*(.crt_bss))
+    KEEP (*(.crt_movedata))
+    KEEP (*(.crt_main))
+    KEEP (*(.lowtext))
   } > LOWROM
+
   .text           :
   {
     . = ALIGN(2);
@@ -149,6 +165,7 @@ SECTIONS
     . = ALIGN(2);
     KEEP (*(.init))
     KEEP (*(.fini))
+    KEEP (*(.tm_clone_table))
   } > ROM
 
   /* The rest are all not normally part of the runtime image.  */
@@ -183,7 +200,7 @@ SECTIONS
   /* DWARF 2 */
   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
   .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
+  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end ) }
   .debug_frame    0 : { *(.debug_frame) }
   .debug_str      0 : { *(.debug_str) }
   .debug_loc      0 : { *(.debug_loc) }