This is the mail archive of the
newlib@sourceware.org
mailing list for the newlib project.
Re: Linker scripts for xilinx-powerpc-eabi
- From: Michael Eager <eager at eagercon dot com>
- To: Newlib <newlib at sourceware dot org>
- Cc: Jeff Johnston <jjohnstn at redhat dot com>
- Date: Fri, 05 Jun 2009 15:50:16 -0700
- Subject: Re: Linker scripts for xilinx-powerpc-eabi
- References: <4A0227FC.4050300@eagercon.com>
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 . */
+}