1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2012 Regents of the University of California 4 */ 5#include <asm/page.h> 6#include <asm/vdso.h> 7 8OUTPUT_ARCH(riscv) 9 10SECTIONS 11{ 12 PROVIDE(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE); 13#ifdef CONFIG_TIME_NS 14 PROVIDE(_timens_data = _vdso_data + PAGE_SIZE); 15#endif 16 . = SIZEOF_HEADERS; 17 18 .hash : { *(.hash) } :text 19 .gnu.hash : { *(.gnu.hash) } 20 .dynsym : { *(.dynsym) } 21 .dynstr : { *(.dynstr) } 22 .gnu.version : { *(.gnu.version) } 23 .gnu.version_d : { *(.gnu.version_d) } 24 .gnu.version_r : { *(.gnu.version_r) } 25 26 .dynamic : { *(.dynamic) } :text :dynamic 27 28 .rodata : { 29 *(.rodata .rodata.* .gnu.linkonce.r.*) 30 *(.got.plt) *(.got) 31 *(.data .data.* .gnu.linkonce.d.*) 32 *(.dynbss) 33 *(.bss .bss.* .gnu.linkonce.b.*) 34 } 35 36 .note : { *(.note.*) } :text :note 37 38 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 39 .eh_frame : { KEEP (*(.eh_frame)) } :text 40 41 /* 42 * Text is well-separated from actual data: there's plenty of 43 * stuff that isn't used at runtime in between. 44 */ 45 . = ALIGN(16); 46 .text : { *(.text .text.*) } :text 47 48 . = ALIGN(4); 49 .alternative : { 50 *(.alternative) 51 } 52} 53 54/* 55 * We must supply the ELF program headers explicitly to get just one 56 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 57 */ 58PHDRS 59{ 60 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ 61 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 62 note PT_NOTE FLAGS(4); /* PF_R */ 63 eh_frame_hdr PT_GNU_EH_FRAME; 64} 65 66/* 67 * This controls what symbols we export from the DSO. 68 */ 69VERSION 70{ 71 LINUX_4.15 { 72 global: 73 __vdso_rt_sigreturn; 74#ifdef HAS_VGETTIMEOFDAY 75 __vdso_gettimeofday; 76 __vdso_clock_gettime; 77 __vdso_clock_getres; 78#endif 79 __vdso_getcpu; 80 __vdso_flush_icache; 81#ifndef COMPAT_VDSO 82 __vdso_riscv_hwprobe; 83#endif 84 local: *; 85 }; 86} 87