2026-01-21 18:59:54 +08:00

90 lines
2.1 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
/*
* GNU linker script for the VDSO library.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Heavily based on the vDSO linker scripts for other archs.
*/
#include <linux/const.h>
#include <asm/page.h>
#include <asm/vdso.h>
OUTPUT_FORMAT("elf64-sw_64")
OUTPUT_ARCH(sw_64)
SECTIONS
{
PROVIDE(_vdso_data = . - PAGE_SIZE);
. = VDSO_LBASE + SIZEOF_HEADERS;
.hash : { *(.hash) } :text
.gnu.hash : { *(.gnu.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
.note : { *(.note.*) } :text :note
. = ALIGN(16);
.text : { *(.text*) }
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
.eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
.eh_frame : { KEEP (*(.eh_frame)) } :text
.dynamic : { *(.dynamic) } :text :dynamic
.rodata : { *(.rodata*) } :text
_end = .;
PROVIDE(end = .);
/DISCARD/ : {
*(.note.GNU-stack)
*(.data .data.* .gnu.linkonce.d.* .sdata*)
*(.bss .sbss .dynbss .dynsbss)
}
}
/*
* We must supply the ELF program headers explicitly to get just one
* PT_LOAD segment, and set the flags explicitly to make segments read-only.
*/
PHDRS
{
text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
note PT_NOTE FLAGS(4); /* PF_R */
eh_frame_hdr PT_GNU_EH_FRAME;
}
/*
* This controls what symbols we export from the DSO.
*/
VERSION
{
LINUX_2.6 {
global:
__vdso_rt_sigreturn;
__vdso_gettimeofday;
__vdso_clock_gettime;
local: *;
};
}