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qemu/linkerscripts.patch

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--- i386.ld
+++ i386.ld
@@ -1,116 +1,164 @@
-/* ld script to make i386 Linux kernel
- * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
- */
-OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+/* Default linker script, for normal executables */
+OUTPUT_FORMAT("elf32-i386", "elf32-i386",
+ "elf32-i386")
OUTPUT_ARCH(i386)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
ENTRY(_start)
+SEARCH_DIR("/usr/i586-suse-linux/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
SECTIONS
{
/* Read-only sections, merged into text segment: */
- . = 0x60000000 + SIZEOF_HEADERS;
- .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) }
- .rela.dtors : { *(.rela.dtors) }
- .rel.init : { *(.rel.init) }
- .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) } =0x47ff041f
- .text :
+ PROVIDE (__executable_start = 0x60000000); . = 0x60000000 + SIZEOF_HEADERS;
+ .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.ro : { *(.rel.data.rel.ro*) }
+ .rela.data.rel.ro : { *(.rel.data.rel.ro*) }
+ .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
+ .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
+ .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
+ .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
+ .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
+ .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
+ .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.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 :
{
- *(.text)
+ KEEP (*(.init))
+ } =0x90909090
+ .plt : { *(.plt) }
+ .text :
+ {
+ *(.text .stub .text.* .gnu.linkonce.t.*)
+ KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
- *(.gnu.linkonce.t*)
- } =0x47ff041f
- _etext = .;
+ } =0x90909090
+ .fini :
+ {
+ KEEP (*(.fini))
+ } =0x90909090
+ PROVIDE (__etext = .);
+ PROVIDE (_etext = .);
PROVIDE (etext = .);
- .fini : { *(.fini) } =0x47ff041f
- . = ALIGN(32 / 8);
- PROVIDE (__preinit_array_start = .);
- .preinit_array : { *(.preinit_array) }
- PROVIDE (__preinit_array_end = .);
- PROVIDE (__init_array_start = .);
- .init_array : { *(.init_array) }
- PROVIDE (__init_array_end = .);
- PROVIDE (__fini_array_start = .);
- .fini_array : { *(.fini_array) }
- PROVIDE (__fini_array_end = .);
- .rodata : { *(.rodata) *(.gnu.linkonce.r*) }
- .rodata1 : { *(.rodata1) }
- .reginfo : { *(.reginfo) }
+ .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
+ .rodata1 : { *(.rodata1) }
+ .eh_frame_hdr : { *(.eh_frame_hdr) }
+ .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
+ .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
/* 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(0x100000) + (. & (0x100000 - 1));
- .data :
+ . = ALIGN (0x1000) - ((0x1000 - .) & (0x1000 - 1)); . = DATA_SEGMENT_ALIGN (0x1000, 0x1000);
+ /* Exception handling */
+ .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
+ .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
+ /* Thread Local Storage sections */
+ .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
+ .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
+ .preinit_array :
+ {
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ }
+ .init_array :
+ {
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(.init_array))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ }
+ .fini_array :
+ {
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(.fini_array))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ }
+ .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))
+ }
+ .jcr : { KEEP (*(.jcr)) }
+ .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) }
+ .dynamic : { *(.dynamic) }
+ .got : { *(.got) }
+ . = DATA_SEGMENT_RELRO_END (12, .);
+ .got.plt : { *(.got.plt) }
+ .data :
{
- *(.data)
- *(.gnu.linkonce.d*)
- CONSTRUCTORS
- }
- .data1 : { *(.data1) }
- .ctors :
- {
- *(.ctors)
- }
- .dtors :
- {
- *(.dtors)
- }
- .plt : { *(.plt) }
- .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) }
- _edata = .;
- PROVIDE (edata = .);
+ *(.data .data.* .gnu.linkonce.d.*)
+ KEEP (*(.gnu.linkonce.d.*personality*))
+ SORT(CONSTRUCTORS)
+ }
+ .data1 : { *(.data1) }
+ _edata = .; PROVIDE (edata = .);
__bss_start = .;
- .sbss : { *(.sbss) *(.scommon) }
- .bss :
+ .bss :
{
*(.dynbss)
- *(.bss)
+ *(.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.
+ FIXME: Why do we need it? When there is no .bss section, we don't
+ pad the .data section. */
+ . = ALIGN(. != 0 ? 32 / 8 : 1);
}
- _end = . ;
+ . = ALIGN(32 / 8);
+ . = ALIGN(32 / 8);
+ _end = .;
PROVIDE (end = .);
+ . = DATA_SEGMENT_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 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) }
+ .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. */
@@ -124,7 +172,7 @@
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
- .debug_info 0 : { *(.debug_info) }
+ .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
@@ -136,5 +184,5 @@
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
- /* These must appear regardless of . */
+ /DISCARD/ : { *(.note.GNU-stack) }
}
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