1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * This is the infamous ld script for the 64 bits vdso 4 * library 5 */ 6 7#include <asm/vdso/vsyscall.h> 8#include <asm/page.h> 9#include <asm/vdso.h> 10#include <asm-generic/vmlinux.lds.h> 11#include <vdso/datapage.h> 12 13OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") 14OUTPUT_ARCH(s390:64-bit) 15 16SECTIONS 17{ 18 VDSO_VVAR_SYMS 19 20 . = SIZEOF_HEADERS; 21 22 .hash : { *(.hash) } :text 23 .gnu.hash : { *(.gnu.hash) } 24 .dynsym : { *(.dynsym) } 25 .dynstr : { *(.dynstr) } 26 .gnu.version : { *(.gnu.version) } 27 .gnu.version_d : { *(.gnu.version_d) } 28 .gnu.version_r : { *(.gnu.version_r) } 29 30 .note : { *(.note.*) } :text :note 31 32 . = ALIGN(16); 33 .text : { 34 *(.text .stub .text.* .gnu.linkonce.t.*) 35 } :text 36 PROVIDE(__etext = .); 37 PROVIDE(_etext = .); 38 PROVIDE(etext = .); 39 40 /* 41 * Other stuff is appended to the text segment: 42 */ 43 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 44 .rodata1 : { *(.rodata1) } 45 46 . = ALIGN(8); 47 .altinstructions : { *(.altinstructions) } 48 .altinstr_replacement : { *(.altinstr_replacement) } 49 50 .dynamic : { *(.dynamic) } :text :dynamic 51 52 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 53 .eh_frame : { KEEP (*(.eh_frame)) } :text 54 .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) } 55 56 .rela.dyn ALIGN(8) : { *(.rela.dyn) } 57 .got ALIGN(8) : { *(.got .toc) } 58 .got.plt ALIGN(8) : { *(.got.plt) } 59 60 _end = .; 61 PROVIDE(end = .); 62 63 STABS_DEBUG 64 DWARF_DEBUG 65 .comment 0 : { *(.comment) } 66 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 67 68 /DISCARD/ : { 69 *(.note.GNU-stack) 70 *(.branch_lt) 71 *(.data .data.* .gnu.linkonce.d.* .sdata*) 72 *(.bss .sbss .dynbss .dynsbss) 73 } 74} 75 76/* 77 * Very old versions of ld do not recognize this name token; use the constant. 78 */ 79#define PT_GNU_EH_FRAME 0x6474e550 80 81/* 82 * We must supply the ELF program headers explicitly to get just one 83 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 84 */ 85PHDRS 86{ 87 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ 88 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 89 note PT_NOTE FLAGS(4); /* PF_R */ 90 eh_frame_hdr PT_GNU_EH_FRAME; 91} 92 93/* 94 * This controls what symbols we export from the DSO. 95 */ 96VERSION 97{ 98 VDSO_VERSION_STRING { 99 global: 100 /* 101 * Has to be there for the kernel to find 102 */ 103 __kernel_gettimeofday; 104 __kernel_clock_gettime; 105 __kernel_clock_getres; 106 __kernel_getcpu; 107 __kernel_restart_syscall; 108 __kernel_rt_sigreturn; 109 __kernel_sigreturn; 110 __kernel_getrandom; 111 local: *; 112 }; 113} 114