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/page.h> 8#include <asm/vdso.h> 9 10OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") 11OUTPUT_ARCH(s390:64-bit) 12ENTRY(_start) 13 14SECTIONS 15{ 16 . = VDSO64_LBASE + 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 28 . = ALIGN(16); 29 .text : { 30 *(.text .stub .text.* .gnu.linkonce.t.*) 31 } :text 32 PROVIDE(__etext = .); 33 PROVIDE(_etext = .); 34 PROVIDE(etext = .); 35 36 /* 37 * Other stuff is appended to the text segment: 38 */ 39 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 40 .rodata1 : { *(.rodata1) } 41 42 .dynamic : { *(.dynamic) } :text :dynamic 43 44 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 45 .eh_frame : { KEEP (*(.eh_frame)) } :text 46 .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) } 47 48 .rela.dyn ALIGN(8) : { *(.rela.dyn) } 49 .got ALIGN(8) : { *(.got .toc) } 50 51 _end = .; 52 PROVIDE(end = .); 53 54 /* 55 * Stabs debugging sections are here too. 56 */ 57 .stab 0 : { *(.stab) } 58 .stabstr 0 : { *(.stabstr) } 59 .stab.excl 0 : { *(.stab.excl) } 60 .stab.exclstr 0 : { *(.stab.exclstr) } 61 .stab.index 0 : { *(.stab.index) } 62 .stab.indexstr 0 : { *(.stab.indexstr) } 63 .comment 0 : { *(.comment) } 64 65 /* 66 * DWARF debug sections. 67 * Symbols in the DWARF debugging sections are relative to the 68 * beginning of the section so we begin them at 0. 69 */ 70 /* DWARF 1 */ 71 .debug 0 : { *(.debug) } 72 .line 0 : { *(.line) } 73 /* GNU DWARF 1 extensions */ 74 .debug_srcinfo 0 : { *(.debug_srcinfo) } 75 .debug_sfnames 0 : { *(.debug_sfnames) } 76 /* DWARF 1.1 and DWARF 2 */ 77 .debug_aranges 0 : { *(.debug_aranges) } 78 .debug_pubnames 0 : { *(.debug_pubnames) } 79 /* DWARF 2 */ 80 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 81 .debug_abbrev 0 : { *(.debug_abbrev) } 82 .debug_line 0 : { *(.debug_line) } 83 .debug_frame 0 : { *(.debug_frame) } 84 .debug_str 0 : { *(.debug_str) } 85 .debug_loc 0 : { *(.debug_loc) } 86 .debug_macinfo 0 : { *(.debug_macinfo) } 87 /* SGI/MIPS DWARF 2 extensions */ 88 .debug_weaknames 0 : { *(.debug_weaknames) } 89 .debug_funcnames 0 : { *(.debug_funcnames) } 90 .debug_typenames 0 : { *(.debug_typenames) } 91 .debug_varnames 0 : { *(.debug_varnames) } 92 /* DWARF 3 */ 93 .debug_pubtypes 0 : { *(.debug_pubtypes) } 94 .debug_ranges 0 : { *(.debug_ranges) } 95 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 96 97 . = ALIGN(PAGE_SIZE); 98 PROVIDE(_vdso_data = .); 99 100 /DISCARD/ : { 101 *(.note.GNU-stack) 102 *(.branch_lt) 103 *(.data .data.* .gnu.linkonce.d.* .sdata*) 104 *(.bss .sbss .dynbss .dynsbss) 105 } 106} 107 108/* 109 * Very old versions of ld do not recognize this name token; use the constant. 110 */ 111#define PT_GNU_EH_FRAME 0x6474e550 112 113/* 114 * We must supply the ELF program headers explicitly to get just one 115 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 116 */ 117PHDRS 118{ 119 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ 120 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 121 note PT_NOTE FLAGS(4); /* PF_R */ 122 eh_frame_hdr PT_GNU_EH_FRAME; 123} 124 125/* 126 * This controls what symbols we export from the DSO. 127 */ 128VERSION 129{ 130 VDSO_VERSION_STRING { 131 global: 132 /* 133 * Has to be there for the kernel to find 134 */ 135 __kernel_gettimeofday; 136 __kernel_clock_gettime; 137 __kernel_clock_getres; 138 __kernel_getcpu; 139 140 local: *; 141 }; 142} 143