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Re: Linker scripts for xilinx-powerpc-eabi


Michael Eager wrote:
Attached patch adds xilinx.ld and xilinx440.ld
default linker scripts for Xilinx PowerPC 405/440.

Added copyright/license to ld files.



-- Michael Eager eager@eagercon.com 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077
2009-06-04  Michael Eager <eager@eagercon.com>

	* libgloss/rs6000/Makefile.in: Install xilinx.ld and xilinx440.ld.
	* libgloss/rs6000/xilinx.ld: New linker script for powerpc-xilinx-eabi.
	* libgloss/rs6000/xilinx440.ld: Same.
diff -urNp --exclude '*.swp' --exclude DEV-PHASE --exclude .svn newlib-orig/libgloss/rs6000/Makefile.in newlib/libgloss/rs6000/Makefile.in
--- newlib-orig/libgloss/rs6000/Makefile.in	2009-06-05 14:48:09.000000000 -0700
+++ newlib/libgloss/rs6000/Makefile.in	2009-06-05 14:50:06.000000000 -0700
@@ -121,7 +121,7 @@ MBX_OBJS	= open.o close.o lseek.o sbrk.o
 MBX_TEST	= mbx-test
 MBX_INSTALL	= install-mbx
 
-XIL_SCRIPTS 	= xilinx.ld
+XIL_SCRIPTS 	= xilinx.ld xilinx440.ld
 XIL_SPECS 	= 
 XIL_CRT0	= xil-crt0.o  xil-pgcrt0.o  xil-sim-crt0.o  xil-sim-pgcrt0.o
 XIL_BSP		= libxil.a
diff -urNp --exclude '*.swp' --exclude DEV-PHASE --exclude .svn newlib-orig/libgloss/rs6000/xilinx440.ld newlib/libgloss/rs6000/xilinx440.ld
--- newlib-orig/libgloss/rs6000/xilinx440.ld	1969-12-31 16:00:00.000000000 -0800
+++ newlib/libgloss/rs6000/xilinx440.ld	2009-06-05 14:55:08.000000000 -0700
@@ -0,0 +1,302 @@
+/* Default linker script for PowerPC 440, for normal executables 
+
+Copyright (c) 2008, 2009 Xilinx, Inc.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1.  Redistributions source code must retain the above copyright notice,
+this list of conditions and the following disclaimer. 
+
+2.  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. 
+
+3.  Neither the name of Xilinx nor the names of its contributors may be
+used to endorse or promote products derived from this software without
+specific prior written permission. 
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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 THE COPYRIGHT
+HOLDER OR CONTRIBUTORS 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.
+*/
+
+OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
+	      "elf32-powerpc")
+OUTPUT_ARCH(powerpc:common)
+ENTRY(_boot)
+_START_ADDR = DEFINED(_START_ADDR) ? _START_ADDR : 0xFFFF0000;
+_STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 4k;
+_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 4k;
+STARTUP(boot.o)
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+PROVIDE (__stack = 0); PROVIDE (___stack = 0);
+SECTIONS
+{
+
+  . = _START_ADDR;
+
+  /* Read-only sections, merged into text segment: */
+  .hash		  : { *(.hash)		}
+  .dynsym	  : { *(.dynsym)		}
+  .dynstr	  : { *(.dynstr)		}
+  .gnu.version   : { *(.gnu.version)      }
+  .gnu.version_d   : { *(.gnu.version_d)  }
+  .gnu.version_r   : { *(.gnu.version_r)  }
+  .rela.text     :
+    {
+      *(.rela.text)
+      *(.rela.text.*)
+      *(.rela.gnu.linkonce.t*)
+    }
+  .rela.data     :
+    {
+      *(.rela.data)
+      *(.rela.data.*)
+      *(.rela.gnu.linkonce.d*)
+    }
+  .rela.rodata   :
+    {
+      *(.rela.rodata)
+      *(.rela.rodata.*)
+      *(.rela.gnu.linkonce.r*)
+    }
+  .rela.got	  : { *(.rela.got)	}
+  .rela.got1	  : { *(.rela.got1)	}
+  .rela.got2	  : { *(.rela.got2)	}
+  .rela.ctors	  : { *(.rela.ctors)	}
+  .rela.dtors	  : { *(.rela.dtors)	}
+  .rela.init	  : { *(.rela.init)	}
+  .rela.fini	  : { *(.rela.fini)	}
+  .rela.bss	  : { *(.rela.bss)	}
+  .rela.plt	  : { *(.rela.plt)	}
+  .rela.sdata	  : { *(.rela.sdata)	}
+  .rela.sbss	  : { *(.rela.sbss)	}
+  .rela.sdata2	  : { *(.rela.sdata2)	}
+  .rela.sbss2	  : { *(.rela.sbss2)	}
+  .text      :
+  {
+    *(.text)
+    *(.text.*)
+    *(.vectors)
+    /* .gnu.warning sections are handled specially by elf32.em.  */
+    *(.gnu.warning)
+    *(.gnu.linkonce.t.*)
+  } =0
+  .init		  : { KEEP (*(.init))	} =0
+  .fini		  : { KEEP (*(.fini))	} =0
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata.*)
+    *(.gnu.linkonce.r.*)
+  }
+  .rodata1	  : { *(.rodata1) }
+  _etext = .;
+  PROVIDE (etext = .);
+  PROVIDE (__etext = .);
+  .sdata2   : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*)}
+  __SDATA2_START__ = ADDR(.sdata2);
+  __SDATA2_END__ = ADDR(.sdata2) + SIZEOF(.sdata2);
+  .sbss2   : { *(.sbss2) *(.gnu.linkonce.sb2.*)}
+  __SBSS2_START__ = ADDR(.sbss2);
+  __SBSS2_END__ = ADDR(.sbss2) + SIZEOF(.sbss2);
+  /* Adjust the address for the data segment.  We want to adjust up to
+     the same address within the page on the next page up.  It would
+     be more correct to do this:
+       . = ALIGN(0x08) + (ALIGN(8) & (0x08 - 1));
+     The current expression does not correctly handle the case of a
+     text segment ending precisely at the end of a page; it causes the
+     data segment to skip a page.  The above expression does not have
+     this problem, but it will currently (2/95) cause BFD to allocate
+     a single segment, combining both text and data, for this case.
+     This will prevent the text segment from being shared among
+     multiple executions of the program; I think that is more
+     important than losing a page of the virtual address space (note
+     that no actual memory is lost; the page which is skipped can not
+     be referenced).  */
+/*  . =  ALIGN(8) + 0x08;*/
+  .data    :
+  {
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d*)
+    CONSTRUCTORS
+  }
+  .data1   : { *(.data1) }
+  .got1		  : { *(.got1) }
+  .dynamic	  : { *(.dynamic) }
+  /* Put .ctors and .dtors next to the .got2 section, so that the pointers
+     get relocated with -mrelocatable. Also put in the .fixup pointers.
+     The current compiler no longer needs this, but keep it around for 2.7.2  */
+		PROVIDE (_GOT2_START_ = .);
+		PROVIDE (__GOT2_START_ = .);
+  .got2		  :  { *(.got2) }
+		PROVIDE (__CTOR_LIST__ = .);
+		PROVIDE (___CTOR_LIST__ = .);
+                .ctors   :
+  {
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+    KEEP (*crtbegin.o(.ctors))
+    /* We don't want to include the .ctor section from
+       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 (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  }
+		PROVIDE (__CTOR_END__ = .);
+		PROVIDE (___CTOR_END__ = .);
+		PROVIDE (__DTOR_LIST__ = .);
+		PROVIDE (___DTOR_LIST__ = .);
+                 .dtors         :
+  {
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }
+		PROVIDE (__DTOR_END__ = .);
+		PROVIDE (___DTOR_END__ = .);
+		PROVIDE (_FIXUP_START_ = .);
+		PROVIDE (__FIXUP_START_ = .);
+  .fixup	  : { *(.fixup) }
+		PROVIDE (_FIXUP_END_ = .);
+		PROVIDE (__FIXUP_END_ = .);
+		PROVIDE (_GOT2_END_ = .);
+		PROVIDE (__GOT2_END_ = .);
+		PROVIDE (_GOT_START_ = .);
+		PROVIDE (__GOT_START_ = .);
+  .got		  : { *(.got) }
+  .got.plt	  : { *(.got.plt) }
+		PROVIDE (_GOT_END_ = .);
+		PROVIDE (__GOT_END_ = .);
+  /* Added by Sathya to handle C++ exceptions */
+  .eh_frame   : {
+    *(.eh_frame)
+  }
+  .jcr   : {
+    *(.jcr)
+  }
+  .gcc_except_table   : {
+    *(.gcc_except_table)
+  }
+  /* We want the small data sections together, so single-instruction offsets
+     can access them all, and initialized data all before uninitialized, so
+     we can shorten the on-disk segment size.  */
+  .sdata	  : { *(.sdata) *(.sdata.*) *(.gnu.linkonce.s.*)}
+  __SDATA_START__ = ADDR(.sdata);
+  __SDATA_END__ = ADDR(.sdata) + SIZEOF(.sdata);
+  _edata  =  .;
+  PROVIDE (edata = .);
+  PROVIDE (__edata = .);
+  .sbss      :
+  {
+    __sbss_start = .;
+    ___sbss_start = .;
+    *(.sbss)
+    *(.sbss.*)
+    *(.gnu.linkonce.sb.*)
+    *(.scommon)
+    *(.dynsbss)
+    __sbss_end = .;
+    ___sbss_end = .;
+  }
+  .plt   : { *(.plt) }
+  .bss       :
+  {
+   __bss_start = .;
+   ___bss_start = .;
+   *(.dynbss)
+   *(.bss)
+   *(.bss.*)
+   *(.gnu.linkonce.b.*)
+   *(COMMON)
+   . = ALIGN(4);
+   __bss_end = .;
+  }
+  
+  .stack     :
+  {
+    _stack_end = .;
+    . = . + _STACK_SIZE;
+    . = ALIGN(16);
+    __stack = .;
+  }
+
+  .heap      : 
+  {
+    _heap_start = .;
+    . = . + _HEAP_SIZE;
+    . = ALIGN(16);
+    _heap_end = .;
+  }
+
+  .tdata   : {
+    *(.tdata)
+    *(.tdata.*)
+    *(.gnu.linkonce.td.*)
+  }
+  .tbss   : {
+    *(.tbss)
+    *(.gnu.linkonce.tb.*)
+  }
+
+  _end = . ;
+  end = .;
+  __end = .;
+
+  .boot0 0xFFFFFF00  : { *(.boot0)}
+
+  .boot  0xFFFFFFFC  : { *(.boot) }
+
+  /* These are needed for ELF backends which have not yet been
+     converted to the new style linker.  */
+  .stab 0 : { *(.stab) }
+  .stabstr 0 : { *(.stabstr) }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .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) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  /* These must appear regardless of  .  */
+}
diff -urNp --exclude '*.swp' --exclude DEV-PHASE --exclude .svn newlib-orig/libgloss/rs6000/xilinx.ld newlib/libgloss/rs6000/xilinx.ld
--- newlib-orig/libgloss/rs6000/xilinx.ld	1969-12-31 16:00:00.000000000 -0800
+++ newlib/libgloss/rs6000/xilinx.ld	2009-06-05 14:53:56.000000000 -0700
@@ -0,0 +1,307 @@
+/* Default linker script, for normal executables 
+
+Copyright (c) 2008, 2009 Xilinx, Inc.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1.  Redistributions source code must retain the above copyright notice,
+this list of conditions and the following disclaimer. 
+
+2.  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. 
+
+3.  Neither the name of Xilinx nor the names of its contributors may be
+used to endorse or promote products derived from this software without
+specific prior written permission. 
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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 THE COPYRIGHT
+HOLDER OR CONTRIBUTORS 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.
+*/
+
+OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
+	      "elf32-powerpc")
+OUTPUT_ARCH(powerpc:common)
+ENTRY(_boot)
+_START_ADDR = DEFINED(_START_ADDR) ? _START_ADDR : 0xFFFF0000;
+_STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 4k;
+_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 4k;
+STARTUP(boot.o)
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+PROVIDE (__stack = 0); PROVIDE (___stack = 0);
+SECTIONS
+{
+
+  . = _START_ADDR;
+  .vectors  BLOCK (64k):
+  {
+    *(.vectors)
+  }
+  /* Read-only sections, merged into text segment: */
+  .hash		  : { *(.hash)		}
+  .dynsym	  : { *(.dynsym)		}
+  .dynstr	  : { *(.dynstr)		}
+  .gnu.version   : { *(.gnu.version)      }
+  .gnu.version_d   : { *(.gnu.version_d)  }
+  .gnu.version_r   : { *(.gnu.version_r)  }
+  .rela.text     :
+    {
+      *(.rela.text)
+      *(.rela.text.*)
+      *(.rela.gnu.linkonce.t*)
+    }
+  .rela.data     :
+    {
+      *(.rela.data)
+      *(.rela.data.*)
+      *(.rela.gnu.linkonce.d*)
+    }
+  .rela.rodata   :
+    {
+      *(.rela.rodata)
+      *(.rela.rodata.*)
+      *(.rela.gnu.linkonce.r*)
+    }
+  .rela.got	  : { *(.rela.got)	}
+  .rela.got1	  : { *(.rela.got1)	}
+  .rela.got2	  : { *(.rela.got2)	}
+  .rela.ctors	  : { *(.rela.ctors)	}
+  .rela.dtors	  : { *(.rela.dtors)	}
+  .rela.init	  : { *(.rela.init)	}
+  .rela.fini	  : { *(.rela.fini)	}
+  .rela.bss	  : { *(.rela.bss)	}
+  .rela.plt	  : { *(.rela.plt)	}
+  .rela.sdata	  : { *(.rela.sdata)	}
+  .rela.sbss	  : { *(.rela.sbss)	}
+  .rela.sdata2	  : { *(.rela.sdata2)	}
+  .rela.sbss2	  : { *(.rela.sbss2)	}
+  .text      :
+  {
+    *(.text)
+    *(.text.*)
+    /* .gnu.warning sections are handled specially by elf32.em.  */
+    *(.gnu.warning)
+    *(.gnu.linkonce.t.*)
+  } =0
+  .init		  : { KEEP (*(.init))	} =0
+  .fini		  : { KEEP (*(.fini))	} =0
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata.*)
+    *(.gnu.linkonce.r.*)
+  }
+  .rodata1	  : { *(.rodata1) }
+  _etext = .;
+  PROVIDE (etext = .);
+  PROVIDE (__etext = .);
+  .sdata2   : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*)}
+  __SDATA2_START__ = ADDR(.sdata2);
+  __SDATA2_END__ = ADDR(.sdata2) + SIZEOF(.sdata2);
+  .sbss2   : { *(.sbss2) *(.gnu.linkonce.sb2.*)}
+  __SBSS2_START__ = ADDR(.sbss2);
+  __SBSS2_END__ = ADDR(.sbss2) + SIZEOF(.sbss2);
+  /* Adjust the address for the data segment.  We want to adjust up to
+     the same address within the page on the next page up.  It would
+     be more correct to do this:
+       . = ALIGN(0x08) + (ALIGN(8) & (0x08 - 1));
+     The current expression does not correctly handle the case of a
+     text segment ending precisely at the end of a page; it causes the
+     data segment to skip a page.  The above expression does not have
+     this problem, but it will currently (2/95) cause BFD to allocate
+     a single segment, combining both text and data, for this case.
+     This will prevent the text segment from being shared among
+     multiple executions of the program; I think that is more
+     important than losing a page of the virtual address space (note
+     that no actual memory is lost; the page which is skipped can not
+     be referenced).  */
+/*  . =  ALIGN(8) + 0x08;*/
+  .data    :
+  {
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d*)
+    CONSTRUCTORS
+  }
+  .data1   : { *(.data1) }
+  .got1		  : { *(.got1) }
+  .dynamic	  : { *(.dynamic) }
+  /* Put .ctors and .dtors next to the .got2 section, so that the pointers
+     get relocated with -mrelocatable. Also put in the .fixup pointers.
+     The current compiler no longer needs this, but keep it around for 2.7.2  */
+		PROVIDE (_GOT2_START_ = .);
+		PROVIDE (__GOT2_START_ = .);
+  .got2		  :  { *(.got2) }
+		PROVIDE (__CTOR_LIST__ = .);
+		PROVIDE (___CTOR_LIST__ = .);
+                .ctors   :
+  {
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+    KEEP (*crtbegin.o(.ctors))
+    /* We don't want to include the .ctor section from
+       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 (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  }
+		PROVIDE (__CTOR_END__ = .);
+		PROVIDE (___CTOR_END__ = .);
+		PROVIDE (__DTOR_LIST__ = .);
+		PROVIDE (___DTOR_LIST__ = .);
+                 .dtors         :
+  {
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }
+		PROVIDE (__DTOR_END__ = .);
+		PROVIDE (___DTOR_END__ = .);
+		PROVIDE (_FIXUP_START_ = .);
+		PROVIDE (__FIXUP_START_ = .);
+  .fixup	  : { *(.fixup) }
+		PROVIDE (_FIXUP_END_ = .);
+		PROVIDE (__FIXUP_END_ = .);
+		PROVIDE (_GOT2_END_ = .);
+		PROVIDE (__GOT2_END_ = .);
+		PROVIDE (_GOT_START_ = .);
+		PROVIDE (__GOT_START_ = .);
+  .got		  : { *(.got) }
+  .got.plt	  : { *(.got.plt) }
+		PROVIDE (_GOT_END_ = .);
+		PROVIDE (__GOT_END_ = .);
+  /* Added by Sathya to handle C++ exceptions */
+  .eh_frame   : {
+    *(.eh_frame)
+  }
+  .jcr   : {
+    *(.jcr)
+  }
+  .gcc_except_table   : {
+    *(.gcc_except_table)
+  }
+  /* We want the small data sections together, so single-instruction offsets
+     can access them all, and initialized data all before uninitialized, so
+     we can shorten the on-disk segment size.  */
+  .sdata	  : { *(.sdata) *(.sdata.*) *(.gnu.linkonce.s.*)}
+  __SDATA_START__ = ADDR(.sdata);
+  __SDATA_END__ = ADDR(.sdata) + SIZEOF(.sdata);
+  _edata  =  .;
+  PROVIDE (edata = .);
+  PROVIDE (__edata = .);
+  .sbss      :
+  {
+    __sbss_start = .;
+    ___sbss_start = .;
+    *(.sbss)
+    *(.sbss.*)
+    *(.gnu.linkonce.sb.*)
+    *(.scommon)
+    *(.dynsbss)
+    __sbss_end = .;
+    ___sbss_end = .;
+  }
+  .plt   : { *(.plt) }
+  .bss       :
+  {
+   __bss_start = .;
+   ___bss_start = .;
+   *(.dynbss)
+   *(.bss)
+   *(.bss.*)
+   *(.gnu.linkonce.b.*)
+   *(COMMON)
+   . = ALIGN(4);
+   __bss_end = .;
+  }
+
+  .stack     :
+  { 
+    _stack_end = .;
+    . = . + _STACK_SIZE;
+    . = ALIGN(16);
+    __stack = .;
+  }
+
+  .heap      :
+  {
+    _heap_start = .;
+    . = . + _HEAP_SIZE;
+    . = ALIGN(16);
+    _heap_end = .;
+  }
+
+  .tdata   : {
+    *(.tdata)
+    *(.tdata.*)
+    *(.gnu.linkonce.td.*)
+  }
+  .tbss   : {
+    *(.tbss)
+    *(.gnu.linkonce.tb.*)
+  }
+  /* Check to see if boot0 is going to be within 24bits from boot */
+  /* If so, then leave the location counter as is. */
+  /* If not, then make location counter to be 0x20 locations above boot location */
+  /* This assumes that a BRAM is present for boot and hence 0x20 locations above it are valid */
+  /* This fixes CR 183394 */
+ __boot0_flag__ = ((. > 0x00ffffff) && (. < 0xff000000)) ? 1 : 0;
+ . = (__boot0_flag__) ? 0xffffffdc : .;
+  .boot0  : { *(.boot0)}
+  _end = . ;
+  end = .;
+  __end = .;
+  .boot  0xFFFFFFFC  : { *(.boot) }
+  /* These are needed for ELF backends which have not yet been
+     converted to the new style linker.  */
+  .stab 0 : { *(.stab) }
+  .stabstr 0 : { *(.stabstr) }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .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) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  /* These must appear regardless of  .  */
+}

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