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93 lines
2.0 KiB
93 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* GNU linker script for the VDSO library. |
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* |
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* Copyright (C) 2012 ARM Limited |
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* |
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* Author: Will Deacon <will.deacon@arm.com> |
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* Heavily based on the vDSO linker scripts for other archs. |
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*/ |
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#include <linux/const.h> |
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#include <asm/page.h> |
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#include <asm/vdso.h> |
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OUTPUT_FORMAT("elf64-littleaarch64", "elf64-bigaarch64", "elf64-littleaarch64") |
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OUTPUT_ARCH(aarch64) |
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SECTIONS |
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{ |
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PROVIDE(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE); |
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#ifdef CONFIG_TIME_NS |
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PROVIDE(_timens_data = _vdso_data + PAGE_SIZE); |
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#endif |
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. = VDSO_LBASE + SIZEOF_HEADERS; |
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.hash : { *(.hash) } :text |
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.gnu.hash : { *(.gnu.hash) } |
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.dynsym : { *(.dynsym) } |
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.dynstr : { *(.dynstr) } |
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.gnu.version : { *(.gnu.version) } |
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.gnu.version_d : { *(.gnu.version_d) } |
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.gnu.version_r : { *(.gnu.version_r) } |
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/* |
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* Discard .note.gnu.property sections which are unused and have |
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* different alignment requirement from vDSO note sections. |
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*/ |
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/DISCARD/ : { |
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*(.note.GNU-stack .note.gnu.property) |
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} |
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.note : { *(.note.*) } :text :note |
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. = ALIGN(16); |
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.text : { *(.text*) } :text =0xd503201f |
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PROVIDE (__etext = .); |
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PROVIDE (_etext = .); |
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PROVIDE (etext = .); |
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.dynamic : { *(.dynamic) } :text :dynamic |
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.rodata : { *(.rodata*) } :text |
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_end = .; |
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PROVIDE(end = .); |
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/DISCARD/ : { |
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*(.data .data.* .gnu.linkonce.d.* .sdata*) |
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*(.bss .sbss .dynbss .dynsbss) |
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*(.eh_frame .eh_frame_hdr) |
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} |
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} |
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/* |
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* We must supply the ELF program headers explicitly to get just one |
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* PT_LOAD segment, and set the flags explicitly to make segments read-only. |
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*/ |
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PHDRS |
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{ |
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text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ |
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dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ |
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note PT_NOTE FLAGS(4); /* PF_R */ |
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} |
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/* |
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* This controls what symbols we export from the DSO. |
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*/ |
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VERSION |
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{ |
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LINUX_2.6.39 { |
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global: |
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__kernel_rt_sigreturn; |
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__kernel_gettimeofday; |
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__kernel_clock_gettime; |
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__kernel_clock_getres; |
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local: *; |
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}; |
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} |
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/* |
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* Make the sigreturn code visible to the kernel. |
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*/ |
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VDSO_sigtramp = __kernel_rt_sigreturn;
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