74cd06b42e
After our migration (of certain architectures) to lld the kernel is built with a unique build-ID. Make it available via a sysctl and uname(1) to allow the user to identify their running kernel. Submitted by: Ali Mashtizadeh <ali_mashtizadeh.com> MFC after: 2 weeks Relnotes: Yes Event: Waterloo Hackathon 2019 Differential Revision: https://reviews.freebsd.org/D20326
301 lines
8.4 KiB
Plaintext
301 lines
8.4 KiB
Plaintext
/*-
|
|
* 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_ARCH(mips)
|
|
ENTRY(_start)
|
|
SEARCH_DIR(/usr/lib);
|
|
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) }
|
|
.note.gnu.build-id : {
|
|
PROVIDE (__build_id_start = .);
|
|
*(.note.gnu.build-id)
|
|
PROVIDE (__build_id_end = .);
|
|
}
|
|
.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.*)
|
|
}
|
|
.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 . */
|
|
}
|