277 lines
9.8 KiB
Diff
277 lines
9.8 KiB
Diff
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--- i386.ld
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+++ i386.ld
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@@ -1,116 +1,164 @@
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-/* ld script to make i386 Linux kernel
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- * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
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- */
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-OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
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+/* Default linker script, for normal executables */
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+OUTPUT_FORMAT("elf32-i386", "elf32-i386",
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+ "elf32-i386")
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OUTPUT_ARCH(i386)
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-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
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ENTRY(_start)
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+SEARCH_DIR("/usr/i586-suse-linux/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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- . = 0x60000000 + SIZEOF_HEADERS;
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- .interp : { *(.interp) }
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- .hash : { *(.hash) }
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- .dynsym : { *(.dynsym) }
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- .dynstr : { *(.dynstr) }
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- .gnu.version : { *(.gnu.version) }
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- .gnu.version_d : { *(.gnu.version_d) }
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- .gnu.version_r : { *(.gnu.version_r) }
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- .rel.text :
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- { *(.rel.text) *(.rel.gnu.linkonce.t*) }
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- .rela.text :
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- { *(.rela.text) *(.rela.gnu.linkonce.t*) }
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- .rel.data :
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- { *(.rel.data) *(.rel.gnu.linkonce.d*) }
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- .rela.data :
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- { *(.rela.data) *(.rela.gnu.linkonce.d*) }
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- .rel.rodata :
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- { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
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- .rela.rodata :
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- { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
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- .rel.got : { *(.rel.got) }
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- .rela.got : { *(.rela.got) }
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- .rel.ctors : { *(.rel.ctors) }
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- .rela.ctors : { *(.rela.ctors) }
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- .rel.dtors : { *(.rel.dtors) }
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- .rela.dtors : { *(.rela.dtors) }
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- .rel.init : { *(.rel.init) }
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- .rela.init : { *(.rela.init) }
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- .rel.fini : { *(.rel.fini) }
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- .rela.fini : { *(.rela.fini) }
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- .rel.bss : { *(.rel.bss) }
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- .rela.bss : { *(.rela.bss) }
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- .rel.plt : { *(.rel.plt) }
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- .rela.plt : { *(.rela.plt) }
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- .init : { *(.init) } =0x47ff041f
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- .text :
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+ PROVIDE (__executable_start = 0x60000000); . = 0x60000000 + SIZEOF_HEADERS;
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+ .interp : { *(.interp) }
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+ .hash : { *(.hash) }
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+ .dynsym : { *(.dynsym) }
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+ .dynstr : { *(.dynstr) }
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+ .gnu.version : { *(.gnu.version) }
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+ .gnu.version_d : { *(.gnu.version_d) }
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+ .gnu.version_r : { *(.gnu.version_r) }
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+ .rel.init : { *(.rel.init) }
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+ .rela.init : { *(.rela.init) }
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+ .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
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+ .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
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+ .rel.fini : { *(.rel.fini) }
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+ .rela.fini : { *(.rela.fini) }
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+ .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
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+ .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
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+ .rel.data.rel.ro : { *(.rel.data.rel.ro*) }
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+ .rela.data.rel.ro : { *(.rel.data.rel.ro*) }
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+ .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
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+ .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
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+ .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
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+ .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
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+ .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
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+ .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
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+ .rel.ctors : { *(.rel.ctors) }
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+ .rela.ctors : { *(.rela.ctors) }
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+ .rel.dtors : { *(.rel.dtors) }
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+ .rela.dtors : { *(.rela.dtors) }
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+ .rel.got : { *(.rel.got) }
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+ .rela.got : { *(.rela.got) }
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+ .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
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+ .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
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+ .rel.plt : { *(.rel.plt) }
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+ .rela.plt : { *(.rela.plt) }
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+ .init :
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{
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- *(.text)
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+ KEEP (*(.init))
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+ } =0x90909090
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+ .plt : { *(.plt) }
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+ .text :
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+ {
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+ *(.text .stub .text.* .gnu.linkonce.t.*)
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+ KEEP (*(.text.*personality*))
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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- *(.gnu.linkonce.t*)
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- } =0x47ff041f
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- _etext = .;
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+ } =0x90909090
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+ .fini :
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+ {
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+ KEEP (*(.fini))
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+ } =0x90909090
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+ PROVIDE (__etext = .);
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+ PROVIDE (_etext = .);
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PROVIDE (etext = .);
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- .fini : { *(.fini) } =0x47ff041f
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- . = ALIGN(32 / 8);
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- PROVIDE (__preinit_array_start = .);
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- .preinit_array : { *(.preinit_array) }
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- PROVIDE (__preinit_array_end = .);
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- PROVIDE (__init_array_start = .);
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- .init_array : { *(.init_array) }
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- PROVIDE (__init_array_end = .);
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- PROVIDE (__fini_array_start = .);
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- .fini_array : { *(.fini_array) }
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- PROVIDE (__fini_array_end = .);
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- .rodata : { *(.rodata) *(.gnu.linkonce.r*) }
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- .rodata1 : { *(.rodata1) }
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- .reginfo : { *(.reginfo) }
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+ .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
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+ .rodata1 : { *(.rodata1) }
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+ .eh_frame_hdr : { *(.eh_frame_hdr) }
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+ .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
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+ .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
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/* Adjust the address for the data segment. We want to adjust up to
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the same address within the page on the next page up. */
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- . = ALIGN(0x100000) + (. & (0x100000 - 1));
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- .data :
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+ . = ALIGN (0x1000) - ((0x1000 - .) & (0x1000 - 1)); . = DATA_SEGMENT_ALIGN (0x1000, 0x1000);
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+ /* Exception handling */
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+ .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
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+ .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
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+ /* Thread Local Storage sections */
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||
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+ .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
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+ .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
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+ .preinit_array :
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+ {
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+ PROVIDE_HIDDEN (__preinit_array_start = .);
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+ KEEP (*(.preinit_array))
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+ PROVIDE_HIDDEN (__preinit_array_end = .);
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+ }
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+ .init_array :
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+ {
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+ PROVIDE_HIDDEN (__init_array_start = .);
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+ KEEP (*(.init_array))
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+ PROVIDE_HIDDEN (__init_array_end = .);
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+ }
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+ .fini_array :
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+ {
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+ PROVIDE_HIDDEN (__fini_array_start = .);
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+ KEEP (*(.fini_array))
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+ PROVIDE_HIDDEN (__fini_array_end = .);
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+ }
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+ .ctors :
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+ {
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|
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+ /* gcc uses crtbegin.o to find the start of
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+ the constructors, so we make sure it is
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+ first. Because this is a wildcard, it
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+ doesn't matter if the user does not
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+ actually link against crtbegin.o; the
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+ linker won't look for a file to match a
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+ wildcard. The wildcard also means that it
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+ doesn't matter which directory crtbegin.o
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+ is in. */
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+ KEEP (*crtbegin*.o(.ctors))
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+ /* We don't want to include the .ctor section from
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+ from the crtend.o file until after the sorted ctors.
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+ The .ctor section from the crtend file contains the
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+ end of ctors marker and it must be last */
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+ KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
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+ KEEP (*(SORT(.ctors.*)))
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+ KEEP (*(.ctors))
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+ }
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+ .dtors :
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+ {
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+ KEEP (*crtbegin*.o(.dtors))
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+ KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
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+ KEEP (*(SORT(.dtors.*)))
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+ KEEP (*(.dtors))
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+ }
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+ .jcr : { KEEP (*(.jcr)) }
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+ .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) }
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+ .dynamic : { *(.dynamic) }
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+ .got : { *(.got) }
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+ . = DATA_SEGMENT_RELRO_END (12, .);
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+ .got.plt : { *(.got.plt) }
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+ .data :
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{
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- *(.data)
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- *(.gnu.linkonce.d*)
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- CONSTRUCTORS
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- }
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- .data1 : { *(.data1) }
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- .ctors :
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- {
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- *(.ctors)
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- }
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- .dtors :
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- {
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- *(.dtors)
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- }
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- .plt : { *(.plt) }
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- .got : { *(.got.plt) *(.got) }
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- .dynamic : { *(.dynamic) }
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- /* We want the small data sections together, so single-instruction offsets
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- can access them all, and initialized data all before uninitialized, so
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- we can shorten the on-disk segment size. */
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- .sdata : { *(.sdata) }
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- _edata = .;
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- PROVIDE (edata = .);
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+ *(.data .data.* .gnu.linkonce.d.*)
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+ KEEP (*(.gnu.linkonce.d.*personality*))
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+ SORT(CONSTRUCTORS)
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+ }
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+ .data1 : { *(.data1) }
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+ _edata = .; PROVIDE (edata = .);
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__bss_start = .;
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- .sbss : { *(.sbss) *(.scommon) }
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- .bss :
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+ .bss :
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{
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*(.dynbss)
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- *(.bss)
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+ *(.bss .bss.* .gnu.linkonce.b.*)
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*(COMMON)
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|
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+ /* Align here to ensure that the .bss section occupies space up to
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+ _end. Align after .bss to ensure correct alignment even if the
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+ .bss section disappears because there are no input sections.
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+ FIXME: Why do we need it? When there is no .bss section, we don't
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+ pad the .data section. */
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+ . = ALIGN(. != 0 ? 32 / 8 : 1);
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}
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- _end = . ;
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+ . = ALIGN(32 / 8);
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+ . = ALIGN(32 / 8);
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+ _end = .;
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PROVIDE (end = .);
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+ . = DATA_SEGMENT_END (.);
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/* Stabs debugging sections. */
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- .stab 0 : { *(.stab) }
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||
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- .stabstr 0 : { *(.stabstr) }
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||
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- .stab.excl 0 : { *(.stab.excl) }
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||
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- .stab.exclstr 0 : { *(.stab.exclstr) }
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||
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- .stab.index 0 : { *(.stab.index) }
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||
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+ .stab 0 : { *(.stab) }
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+ .stabstr 0 : { *(.stabstr) }
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||
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+ .stab.excl 0 : { *(.stab.excl) }
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+ .stab.exclstr 0 : { *(.stab.exclstr) }
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+ .stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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- .comment 0 : { *(.comment) }
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+ .comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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@@ -124,7 +172,7 @@
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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- .debug_info 0 : { *(.debug_info) }
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+ .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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||
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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@@ -136,5 +184,5 @@
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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- /* These must appear regardless of . */
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+ /DISCARD/ : { *(.note.GNU-stack) }
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}
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