Date: Sat, 7 Jul 2012 04:49:53 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r238186 - head/sys/boot/arm/at91 Message-ID: <201207070449.q674nrK7013610@svn.freebsd.org>
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Author: imp Date: Sat Jul 7 04:49:53 2012 New Revision: 238186 URL: http://svn.freebsd.org/changeset/base/238186 Log: Strip out the useless junk. All we really care about is the text, data and bss sections. All the rest is needed for normal binaries, but boot loaders aren't normal. Modified: head/sys/boot/arm/at91/linker.cfg Modified: head/sys/boot/arm/at91/linker.cfg ============================================================================== --- head/sys/boot/arm/at91/linker.cfg Sat Jul 7 04:14:28 2012 (r238185) +++ head/sys/boot/arm/at91/linker.cfg Sat Jul 7 04:49:53 2012 (r238186) @@ -31,258 +31,26 @@ SECTIONS .text : { *(.text) - *(.text.*) - *(.stub) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - *(.gnu.linkonce.t.*) - *(.glue_7t) *(.glue_7) } - .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.init : { *(.rel.init) } - .rela.init : { *(.rela.init) } - .rel.text : - { - *(.rel.text) - *(.rel.text.*) - *(.rel.gnu.linkonce.t.*) - } - .rela.text : - { - *(.rela.text) - *(.rela.text.*) - *(.rela.gnu.linkonce.t.*) - } - .rel.fini : { *(.rel.fini) } - .rela.fini : { *(.rela.fini) } - .rel.rodata : - { - *(.rel.rodata) - *(.rel.rodata.*) - *(.rel.gnu.linkonce.r.*) - } - .rela.rodata : - { - *(.rela.rodata) - *(.rela.rodata.*) - *(.rela.gnu.linkonce.r.*) - } - .rel.data : - { - *(.rel.data) - *(.rel.data.*) - *(.rel.gnu.linkonce.d.*) - } - .rela.data : - { - *(.rela.data) - *(.rela.data.*) - *(.rela.gnu.linkonce.d.*) - } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.sdata : - { - *(.rel.sdata) - *(.rel.sdata.*) - *(.rel.gnu.linkonce.s.*) - } - .rela.sdata : - { - *(.rela.sdata) - *(.rela.sdata.*) - *(.rela.gnu.linkonce.s.*) - } - .rel.sbss : - { - *(.rel.sbss) - *(.rel.sbss.*) - *(.rel.gnu.linkonce.sb.*) - } - .rela.sbss : - { - *(.rela.sbss) - *(.rela.sbss.*) - *(.rel.gnu.linkonce.sb.*) - } - .rel.sdata2 : - { - *(.rel.sdata2) - *(.rel.sdata2.*) - *(.rel.gnu.linkonce.s2.*) - } - .rela.sdata2 : - { - *(.rela.sdata2) - *(.rela.sdata2.*) - *(.rela.gnu.linkonce.s2.*) - } - .rel.sbss2 : - { - *(.rel.sbss2) - *(.rel.sbss2.*) - *(.rel.gnu.linkonce.sb2.*) - } - .rela.sbss2 : - { - *(.rela.sbss2) - *(.rela.sbss2.*) - *(.rela.gnu.linkonce.sb2.*) - } - .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) } - .fini : - { - KEEP (*(.fini)) - } =0 PROVIDE (__etext = .); PROVIDE (_etext = .); PROVIDE (etext = .); - .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } - .rodata1 : { *(.rodata1) } - .sdata2 : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*) } - .sbss2 : { *(.sbss2) *(.sbss2.*) *(.gnu.linkonce.sb2.*) } .data : { __data_start = . ; *(.data) - *(.data.*) - *(.gnu.linkonce.d.*) - SORT(CONSTRUCTORS) - } - .data1 : { *(.data1) } - . = 0x21200000; - .eh_frame : { KEEP (*(.eh_frame)) } - .gcc_except_table : { *(.gcc_except_table) } - .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)) - } - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - } - .got : { *(.got.plt) *(.got) } - .dynamic : { *(.dynamic) } - /* 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 = .; __bss_start__ = .; - .sbss : - { - PROVIDE (__sbss_start = .); - PROVIDE (___sbss_start = .); - *(.dynsbss) - *(.sbss) - *(.sbss.*) - *(.gnu.linkonce.sb.*) - *(.scommon) - PROVIDE (__sbss_end = .); - PROVIDE (___sbss_end = .); - } .bss : { - *(.dynbss) *(.bss) - *(.bss.*) - *(.gnu.linkonce.b.*) - *(COMMON) - /* Align here to ensure that the .bss section occupies space up to - _end. Align after .bss to ensure correct alignment even if the - .bss section disappears because there are no input sections. */ . = ALIGN(32 / 8); } . = ALIGN(32 / 8); _end = .; _bss_end__ = . ; __bss_end__ = . ; __end__ = . ; PROVIDE (end = .); - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .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. */ - /* 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) *(.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) } - /* 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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