Ravenscar port for RISC-V

[deliverable/binutils-gdb.git] / ld / scripttempl / elf32crx.sc

diff --git a/ld/scripttempl/elf32crx.sc b/ld/scripttempl/elf32crx.sc
index 63401fe7e2c1c598e05d9534310d1fadce92174b..64fefda1206bf91825bdf67340f12a047a4a570e 100644 (file)
--- a/ld/scripttempl/elf32crx.sc
+++ b/ld/scripttempl/elf32crx.sc
@@ -1,4 +1,14 @@
 # Linker Script for National Semiconductor's CRX-ELF32.
+#
+# Copyright (C) 2014-2019 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+# Using an empty script for ld -r is better than mashing together
+# sections.  This hack likely leaves ld -Ur broken.
+test -n "${RELOCATING}" || exit 0
 
 # The next line should be uncommented if it is desired to link
 # without libstart.o and directly enter main.
@@ -8,23 +18,24 @@
 test -z "$ENTRY" && ENTRY=_start
 cat <<EOF
 
-/* Example Linker Script for linking NS CRX elf32 files. */
+/* Example Linker Script for linking NS CRX elf32 files.
+
+   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+
+   Copying and distribution of this script, with or without modification,
+   are permitted in any medium without royalty provided the copyright
+   notice and this notice are preserved.  */
 
-/* The next line forces the entry point (${ENTRY} in this script)
-   to be entered in the output file as an undefined symbol.
-   It is needed in case the entry point is not called explicitly
-   (which is the usual case) AND is in an archive.  */
 
 OUTPUT_FORMAT("${OUTPUT_FORMAT}")
 OUTPUT_ARCH(${ARCH})
-EXTERN(${ENTRY})
-ENTRY(${ENTRY})
+${RELOCATING+ENTRY(${ENTRY})}
 
 /* Define memory regions.  */
 MEMORY
 {
-        rom         : ORIGIN = 0x2,         LENGTH = 3M
-        ram         : ORIGIN = 4M,          LENGTH = 10M
+       rom         : ORIGIN = 0x2,         LENGTH = 3M
+       ram         : ORIGIN = 4M,          LENGTH = 10M
 }
 
 /*  Many sections come in three flavours.  There is the 'real' section,
@@ -45,25 +56,25 @@ MEMORY
 SECTIONS
 {
   .init :
-  { 
-    __INIT_START = .; 
-    KEEP (*(.init))
-    __INIT_END = .; 
+  {
+    __INIT_START = .;
+    KEEP (*(SORT_NONE(.init)))
+    __INIT_END = .;
   } > rom
 
   .fini :
-  { 
-    __FINI_START = .; 
-    KEEP (*(.fini))
-    __FINI_END = .; 
+  {
+    __FINI_START = .;
+    KEEP (*(SORT_NONE(.fini)))
+    __FINI_END = .;
   } > rom
 
   .jcr :
-  { 
+  {
     KEEP (*(.jcr))
   } > rom
 
-  .text : 
+  .text :
   {
     __TEXT_START = .;
     *(.text) *(.text.*) *(.gnu.linkonce.t.*)
@@ -77,9 +88,9 @@ SECTIONS
     __RDATA_END = .;
   } > rom
 
-  .ctor ALIGN(4) : 
-  { 
-    __CTOR_START = .; 
+  .ctor ALIGN(4) :
+  {
+    __CTOR_START = .;
     /* The compiler uses crtbegin.o to find the start
        of the constructors, so we make sure it is
        first.  Because this is a wildcard, it
@@ -90,27 +101,29 @@ SECTIONS
        doesn't matter which directory crtbegin.o
        is in.  */
 
-    KEEP (*crtbegin*.o(.ctors))
+    KEEP (*crtbegin.o(.ctors))
+    KEEP (*crtbegin?.o(.ctors))
 
     /* We don't want to include the .ctor section from
        the crtend.o file until after the sorted ctors.
        The .ctor section from the crtend file contains the
        end of ctors marker and it must be last */
 
-    KEEP (*(EXCLUDE_FILE (*crtend*.o) .ctors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o) .ctors))
     KEEP (*(SORT(.ctors.*)))
     KEEP (*(.ctors))
-    __CTOR_END = .; 
+    __CTOR_END = .;
   } > rom
 
-  .dtor ALIGN(4) : 
-  { 
-    __DTOR_START = .; 
-    KEEP (*crtbegin*.o(.dtors))
-    KEEP (*(EXCLUDE_FILE (*crtend*.o) .dtors))
+  .dtor ALIGN(4) :
+  {
+    __DTOR_START = .;
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*crtbegin?.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o) .dtors))
     KEEP (*(SORT(.dtors.*)))
     KEEP (*(.dtors))
-    __DTOR_END = .; 
+    __DTOR_END = .;
   } > rom
 
   .data :
@@ -133,21 +146,21 @@ SECTIONS
    The heap and stack are aligned to the bus width, as a speed optimization
    for accessing data located there.  */
 
-  .heap :
+  .heap (NOLOAD) :
   {
     . = ALIGN(4);
     __HEAP_START = .;
     . += 0x2000; __HEAP_MAX = .;
   } > ram
 
-  .stack :
+  .stack (NOLOAD) :
   {
     . = ALIGN(4);
     . += 0x6000;
     __STACK_START = .;
   } > ram
 
-  .istack :
+  .istack (NOLOAD) :
   {
     . = ALIGN(4);
     . += 0x100;
@@ -156,19 +169,11 @@ SECTIONS
 
   .comment        0 : { *(.comment) }
 
-  /* DWARF debug sections.
-     Symbols in the DWARF debugging sections are relative to the beginning
-     of the section so we begin them at 0.  */
-
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
-  .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
-  .debug_frame    0 : { *(.debug_frame) }
-  .debug_str      0 : { *(.debug_str) }
-  .debug_loc      0 : { *(.debug_loc) }
-  .debug_macinfo  0 : { *(.debug_macinfo) }
+EOF
+
+. $srcdir/scripttempl/DWARF.sc
+
+cat <<EOF
 }
 
 __DATA_IMAGE_START = LOADADDR(.data);