RFA: Update MN10300 simulator linker script
Jeff Johnston
jjohnstn@redhat.com
Thu May 7 19:09:00 GMT 2009
Yes, by all means go ahead.
-- Jeff J.
Nick Clifton wrote:
> Hi Jeff,
>
> The attached patch updates the simulator linker script for the
> MN10300 to add explicit placement for derived sections (eg .text.*
> or .bss.*).
>
> Tested with no regressions on a mn10300-elf toolchain.
>
> OK to apply ?
>
> Cheers
> Nick
>
> libgloss/ChangeLog
> 2009-05-07 Nick Clifton <nickc@redhat.com>
>
> * mn10300/sim.ld: Add missing section names such as .bss.*
> .text.*, etc. General tidy up.
>
> Index: libgloss/mn10300/sim.ld
> ===================================================================
> RCS file: /cvs/src/src/libgloss/mn10300/sim.ld,v
> retrieving revision 1.3
> diff -c -3 -p -r1.3 sim.ld
> *** libgloss/mn10300/sim.ld 20 May 2005 15:45:43 -0000 1.3
> --- libgloss/mn10300/sim.ld 7 May 2009 13:27:28 -0000
> ***************
> *** 1,41 ****
> ! /* Linker script for the MN10300 simulator.
> ! */
>
> ! OUTPUT_FORMAT("elf32-mn10300", "elf32-mn10300",
> ! "elf32-mn10300")
> OUTPUT_ARCH(mn10300)
> ENTRY(_start)
> GROUP(-lc -leval -lgcc)
> ! SEARCH_DIR(.);
> ! /* Do we need any of these for elf?
> ! __DYNAMIC = 0; */
> SECTIONS
> {
> /* Read-only sections, merged into text segment: */
> /* Start of RAM (leaving room for Cygmon data) */
> . = 4;
>
> ! .interp : { *(.interp) }
> .hash : { *(.hash) }
> .dynsym : { *(.dynsym) }
> .dynstr : { *(.dynstr) }
> .gnu.version : { *(.gnu.version) }
> ! .gnu.version_d : { *(.gnu.version_d) }
> ! .gnu.version_r : { *(.gnu.version_r) }
> ! .rel.text :
> ! { *(.rel.text) *(.rel.gnu.linkonce.t*) }
> ! .rela.text :
> ! { *(.rela.text) *(.rela.gnu.linkonce.t*) }
> ! .rel.data :
> ! { *(.rel.data) *(.rel.gnu.linkonce.d*) }
> ! .rela.data :
> ! { *(.rela.data) *(.rela.gnu.linkonce.d*) }
> ! .rel.rodata :
> ! { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
> ! .rela.rodata :
> ! { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
> ! .rel.got : { *(.rel.got) }
> ! .rela.got : { *(.rela.got) }
> .rel.ctors : { *(.rel.ctors) }
> .rela.ctors : { *(.rela.ctors) }
> .rel.dtors : { *(.rel.dtors) }
> --- 1,32 ----
> ! /* Linker script for the MN10300 simulator. */
>
> ! OUTPUT_FORMAT("elf32-mn10300", "elf32-mn10300", "elf32-mn10300")
> OUTPUT_ARCH(mn10300)
> ENTRY(_start)
> GROUP(-lc -leval -lgcc)
> ! SEARCH_DIR(.);
> !
> SECTIONS
> {
> /* Read-only sections, merged into text segment: */
> /* Start of RAM (leaving room for Cygmon data) */
> . = 4;
>
> ! .interp : { *(.interp) }
> .hash : { *(.hash) }
> .dynsym : { *(.dynsym) }
> .dynstr : { *(.dynstr) }
> .gnu.version : { *(.gnu.version) }
> ! .gnu.version_d : { *(.gnu.version_d) }
> ! .gnu.version_r : { *(.gnu.version_r) }
> ! .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t*) }
> ! .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t*) }
> ! .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d*) }
> ! .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d*) }
> ! .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r*) }
> ! .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r*) }
> ! .rel.got : { *(.rel.got) }
> ! .rela.got : { *(.rela.got) }
> .rel.ctors : { *(.rel.ctors) }
> .rela.ctors : { *(.rela.ctors) }
> .rel.dtors : { *(.rel.dtors) }
> *************** SECTIONS
> *** 44,58 ****
> .rela.init : { *(.rela.init) }
> .rel.fini : { *(.rel.fini) }
> .rela.fini : { *(.rela.fini) }
> ! .rel.bss : { *(.rel.bss) }
> ! .rela.bss : { *(.rela.bss) }
> ! .rel.plt : { *(.rel.plt) }
> ! .rela.plt : { *(.rela.plt) }
> ! .init : { *(.init) } =0
> ! .plt : { *(.plt) }
> .text :
> {
> ! *(.text)
> /* .gnu.warning sections are handled specially by elf32.em. */
> *(.gnu.warning)
> *(.gnu.linkonce.t*)
> --- 35,50 ----
> .rela.init : { *(.rela.init) }
> .rel.fini : { *(.rel.fini) }
> .rela.fini : { *(.rela.fini) }
> ! .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
> ! .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
> ! .rel.plt : { *(.rel.plt) }
> ! .rela.plt : { *(.rela.plt) }
> ! .init : { KEEP (*(.init)) } =0
> ! .plt : { *(.plt) }
> .text :
> {
> ! *(.text .stub .text.*)
> ! KEEP (*(.text.*personality*))
> /* .gnu.warning sections are handled specially by elf32.em. */
> *(.gnu.warning)
> *(.gnu.linkonce.t*)
> *************** SECTIONS
> *** 60,75 ****
> } =0
> _etext = .;
> PROVIDE (etext = .);
> ! .fini : { *(.fini) } =0
> ! .rodata : { *(.rodata) *(.gnu.linkonce.r*) }
> .rodata1 : { *(.rodata1) }
> /* Adjust the address for the data segment. We want to adjust up to
> the same address within the page on the next page up. */
> . = ALIGN(1) + (. & (1 - 1));
> .data :
> {
> ! *(.data)
> ! *(.gnu.linkonce.d*)
> CONSTRUCTORS
> }
> .data1 : { *(.data1) }
> --- 52,67 ----
> } =0
> _etext = .;
> PROVIDE (etext = .);
> ! .fini : { KEEP (*(.fini)) } =0
> ! .rodata : { *(.rodata .rodata.* .gnu.linkonce.r*) }
> .rodata1 : { *(.rodata1) }
> /* Adjust the address for the data segment. We want to adjust up to
> the same address within the page on the next page up. */
> . = ALIGN(1) + (. & (1 - 1));
> .data :
> {
> ! *(.data .data.* .gnu.linkonce.d.*)
> ! KEEP (*(.gnu.linkonce.d.*personality*))
> CONSTRUCTORS
> }
> .data1 : { *(.data1) }
> *************** SECTIONS
> *** 94,108 ****
> /* 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) }
> _edata = .;
> PROVIDE (edata = .);
> __bss_start = .;
> ! .sbss : { *(.sbss) *(.scommon) }
> .bss :
> {
> *(.dynbss)
> ! *(.bss)
> *(COMMON)
> }
> _end = . ;
> --- 86,100 ----
> /* 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.*) }
> _edata = .;
> PROVIDE (edata = .);
> __bss_start = .;
> ! .sbss : { *(.dynsbss) *(.sbss .sbss.* .gnu.linkonce.sb.*) *(.scommon) }
> .bss :
> {
> *(.dynbss)
> ! *(.bss .bss.* .gnu.linkonce.b.*)
> *(COMMON)
> }
> _end = . ;
> *************** SECTIONS
> *** 128,134 ****
> .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) }
> --- 120,126 ----
> .debug_aranges 0 : { *(.debug_aranges) }
> .debug_pubnames 0 : { *(.debug_pubnames) }
> /* DWARF 2 */
> ! .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
> .debug_abbrev 0 : { *(.debug_abbrev) }
> .debug_line 0 : { *(.debug_line) }
> .debug_frame 0 : { *(.debug_frame) }
> *************** SECTIONS
> *** 143,148 ****
> .debug_varnames 0 : { *(.debug_varnames) }
>
> .stack 0x80000 : { _stack = .; *(.stack) *(._stack) }
> -
> - /* These must appear regardless of . */
> }
> --- 135,138 ----
>
>
>
More information about the Newlib
mailing list