mirror_ubuntu-kernels/arch/mips/vdso/vdso.lds.S

108 lines
2.6 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2015 Imagination Technologies
* Author: Alex Smith <alex.smith@imgtec.com>
*/
#include <asm/sgidefs.h>
#if _MIPS_SIM == _MIPS_SIM_ABI64
OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips", "elf64-tradlittlemips")
#elif _MIPS_SIM == _MIPS_SIM_NABI32
OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips", "elf32-ntradlittlemips")
#else
OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips")
#endif
OUTPUT_ARCH(mips)
SECTIONS
{
PROVIDE(_start = .);
. = SIZEOF_HEADERS;
/*
* In order to retain compatibility with older toolchains we provide the
* ABI flags section ourself. Newer assemblers will automatically
* generate .MIPS.abiflags sections so we discard such input sections,
* and then manually define our own section here. genvdso will patch
* this section to have the correct name/type.
*/
.mips_abiflags : { *(.mips_abiflags) } :text :abiflags
.reginfo : { *(.reginfo) } :text :reginfo
.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
.text : { *(.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/ : {
*(.MIPS.abiflags)
*(.gnu.attributes)
*(.note.GNU-stack)
*(.data .data.* .gnu.linkonce.d.* .sdata*)
*(.bss .sbss .dynbss .dynsbss)
}
}
PHDRS
{
/*
* Provide a PT_MIPS_ABIFLAGS header to assign the ABI flags section
* to. We can specify the header type directly here so no modification
* is needed later on.
*/
abiflags 0x70000003;
/*
* The ABI flags header must exist directly after the PT_INTERP header,
* so we must explicitly place the PT_MIPS_REGINFO header after it to
* stop the linker putting one in at the start.
*/
reginfo 0x70000000;
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;
}
VERSION
{
LINUX_2.6 {
#ifndef CONFIG_MIPS_DISABLE_VDSO
global:
__vdso_clock_gettime;
#ifdef CONFIG_MIPS_CLOCK_VSYSCALL
__vdso_gettimeofday;
#endif
__vdso_clock_getres;
#if _MIPS_SIM != _MIPS_SIM_ABI64
__vdso_clock_gettime64;
#endif
#endif
local: *;
};
}