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 .note : { *(.note.*) } :text :note 27 .dynamic : { *(.dynamic) } :text :dynamic 28 29 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 30 .eh_frame : { KEEP (*(.eh_frame)) } :text 31 32 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 33 34 /* 35 * This linker script is used both with -r and with -shared. 36 * For the layouts to match, we need to skip more than enough 37 * space for the dynamic symbol table, etc. If this amount is 38 * insufficient, ld -shared will error; simply increase it here. 39 */ 40 . = 0x800; 41 .text : { *(.text .text.*) } :text 42 43 . = ALIGN(4); 44 .alternative : { 45 __alt_start = .; 46 *(.alternative) 47 __alt_end = .; 48 } 49 50 .data : { 51 *(.got.plt) *(.got) 52 *(.data .data.* .gnu.linkonce.d.*) 53 *(.dynbss) 54 *(.bss .bss.* .gnu.linkonce.b.*) 55 } 56} 57 58/* 59 * We must supply the ELF program headers explicitly to get just one 60 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 61 */ 62PHDRS 63{ 64 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ 65 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 66 note PT_NOTE FLAGS(4); /* PF_R */ 67 eh_frame_hdr PT_GNU_EH_FRAME; 68} 69 70/* 71 * This controls what symbols we export from the DSO. 72 */ 73VERSION 74{ 75 LINUX_4.15 { 76 global: 77 __vdso_rt_sigreturn; 78#ifdef HAS_VGETTIMEOFDAY 79 __vdso_gettimeofday; 80 __vdso_clock_gettime; 81 __vdso_clock_getres; 82#endif 83 __vdso_getcpu; 84 __vdso_flush_icache; 85#ifndef COMPAT_VDSO 86 __vdso_riscv_hwprobe; 87#endif 88 local: *; 89 }; 90} 91