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freebsd-dev/sys/conf/ldscript.mips
Oleksandr Tymoshenko 6104a13d8b - Move .text and all sections up to .bss inclusive to the beginning of 
the script.  Trampoline kernel builder assumes that .text goes right
    after headers and places startup function first in .text segment.
2010-01-23 05:59:10 +00:00

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/*-
* Copyright (c) 2001, 2004, 2008, Juniper Networks, 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 of 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 the Juniper Networks, Inc. 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 JUNIPER NETWORKS 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 JUNIPER NETWORKS 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.
*
* JNPR: ldscript.mips,v 1.3 2006/10/11 06:12:04
* $FreeBSD$
*/
OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips",
"elf32-tradlittlemips")
OUTPUT_ARCH(mips)
ENTRY(_start)
SEARCH_DIR(/usr/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0;
PROVIDE (_DYNAMIC = 0);
*/
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = KERNLOADADDR + SIZEOF_HEADERS;
.text :
{
*(.trap)
*(.text)
*(.text.*)
*(.stub)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t.*)
} =0x1000000
.fini :
{
KEEP (*(.fini))
} =0x1000000
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
.rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) }
.rodata1 : { *(.rodata1) }
.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))
} =0x1000000
.reginfo : { *(.reginfo) }
.sdata2 : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*) }
.sbss2 : { *(.sbss2) *(.sbss2.*) *(.gnu.linkonce.sb2.*) }
. = ALIGN(0x2000) + (. & (0x2000 - 1));
.data :
{
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
}
.data1 : { *(.data1) }
.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))
}
.plt : { *(.plt) }
_gp = ALIGN(16) + 0x7ff0;
.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 = .;
.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(64 / 8);
}
. = ALIGN(64 / 8);
_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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