| /* 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 . */ |
| } |