diff options
Diffstat (limited to 'arch/arm64/kernel/vdso/vdso.lds.S')
| -rw-r--r-- | arch/arm64/kernel/vdso/vdso.lds.S | 54 |
1 files changed, 35 insertions, 19 deletions
diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S index beca249bc2f3..52314be29191 100644 --- a/arch/arm64/kernel/vdso/vdso.lds.S +++ b/arch/arm64/kernel/vdso/vdso.lds.S @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * GNU linker script for the VDSO library. * * Copyright (C) 2012 ARM Limited * - * 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/>. - * * Author: Will Deacon <will.deacon@arm.com> * Heavily based on the vDSO linker scripts for other archs. */ @@ -22,14 +11,18 @@ #include <linux/const.h> #include <asm/page.h> #include <asm/vdso.h> +#include <asm/vdso/vsyscall.h> +#include <asm-generic/vmlinux.lds.h> +#include <vdso/datapage.h> OUTPUT_FORMAT("elf64-littleaarch64", "elf64-bigaarch64", "elf64-littleaarch64") OUTPUT_ARCH(aarch64) SECTIONS { - PROVIDE(_vdso_data = . - PAGE_SIZE); - . = VDSO_LBASE + SIZEOF_HEADERS; + VDSO_VVAR_SYMS + + . = SIZEOF_HEADERS; .hash : { *(.hash) } :text .gnu.hash : { *(.gnu.hash) } @@ -39,6 +32,14 @@ SECTIONS .gnu.version_d : { *(.gnu.version_d) } .gnu.version_r : { *(.gnu.version_r) } + /* + * Discard .note.gnu.property sections which are unused and have + * different alignment requirement from vDSO note sections. + */ + /DISCARD/ : { + *(.note.GNU-stack .note.gnu.property) + *(.ARM.attributes) + } .note : { *(.note.*) } :text :note . = ALIGN(16); @@ -48,20 +49,35 @@ SECTIONS PROVIDE (_etext = .); PROVIDE (etext = .); - .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr - .eh_frame : { KEEP (*(.eh_frame)) } :text + . = ALIGN(4); + .altinstructions : { + *(.altinstructions) + } .dynamic : { *(.dynamic) } :text :dynamic - .rodata : { *(.rodata*) } :text + .rela.dyn : ALIGN(8) { *(.rela .rela*) } + + .rodata : { + *(.rodata*) + *(.got) + *(.got.plt) + *(.plt) + *(.plt.*) + *(.iplt) + *(.igot .igot.plt) + } :text _end = .; PROVIDE(end = .); + DWARF_DEBUG + ELF_DETAILS + /DISCARD/ : { - *(.note.GNU-stack) *(.data .data.* .gnu.linkonce.d.* .sdata*) *(.bss .sbss .dynbss .dynsbss) + *(.eh_frame .eh_frame_hdr) } } @@ -74,7 +90,6 @@ 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; } /* @@ -88,6 +103,7 @@ VERSION __kernel_gettimeofday; __kernel_clock_gettime; __kernel_clock_getres; + __kernel_getrandom; local: *; }; } |