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 PROVIDE(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE); 17#ifdef CONFIG_TIME_NS 18 PROVIDE(_timens_data = _vdso_data + PAGE_SIZE); 19#endif 20 . = VDSO_LBASE + 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 .dynamic : { *(.dynamic) } :text :dynamic 47 48 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 49 .eh_frame : { KEEP (*(.eh_frame)) } :text 50 .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) } 51 52 .rela.dyn ALIGN(8) : { *(.rela.dyn) } 53 .got ALIGN(8) : { *(.got .toc) } 54 .got.plt ALIGN(8) : { *(.got.plt) } 55 56 _end = .; 57 PROVIDE(end = .); 58 59 /* 60 * Stabs debugging sections are here too. 61 */ 62 .stab 0 : { *(.stab) } 63 .stabstr 0 : { *(.stabstr) } 64 .stab.excl 0 : { *(.stab.excl) } 65 .stab.exclstr 0 : { *(.stab.exclstr) } 66 .stab.index 0 : { *(.stab.index) } 67 .stab.indexstr 0 : { *(.stab.indexstr) } 68 .comment 0 : { *(.comment) } 69 70 /* 71 * DWARF debug sections. 72 * Symbols in the DWARF debugging sections are relative to the 73 * beginning of the section so we begin them at 0. 74 */ 75 /* DWARF 1 */ 76 .debug 0 : { *(.debug) } 77 .line 0 : { *(.line) } 78 /* GNU DWARF 1 extensions */ 79 .debug_srcinfo 0 : { *(.debug_srcinfo) } 80 .debug_sfnames 0 : { *(.debug_sfnames) } 81 /* DWARF 1.1 and DWARF 2 */ 82 .debug_aranges 0 : { *(.debug_aranges) } 83 .debug_pubnames 0 : { *(.debug_pubnames) } 84 /* DWARF 2 */ 85 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 86 .debug_abbrev 0 : { *(.debug_abbrev) } 87 .debug_line 0 : { *(.debug_line) } 88 .debug_frame 0 : { *(.debug_frame) } 89 .debug_str 0 : { *(.debug_str) } 90 .debug_loc 0 : { *(.debug_loc) } 91 .debug_macinfo 0 : { *(.debug_macinfo) } 92 /* SGI/MIPS DWARF 2 extensions */ 93 .debug_weaknames 0 : { *(.debug_weaknames) } 94 .debug_funcnames 0 : { *(.debug_funcnames) } 95 .debug_typenames 0 : { *(.debug_typenames) } 96 .debug_varnames 0 : { *(.debug_varnames) } 97 /* DWARF 3 */ 98 .debug_pubtypes 0 : { *(.debug_pubtypes) } 99 .debug_ranges 0 : { *(.debug_ranges) } 100 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 101 102 /DISCARD/ : { 103 *(.note.GNU-stack) 104 *(.branch_lt) 105 *(.data .data.* .gnu.linkonce.d.* .sdata*) 106 *(.bss .sbss .dynbss .dynsbss) 107 } 108} 109 110/* 111 * Very old versions of ld do not recognize this name token; use the constant. 112 */ 113#define PT_GNU_EH_FRAME 0x6474e550 114 115/* 116 * We must supply the ELF program headers explicitly to get just one 117 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 118 */ 119PHDRS 120{ 121 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ 122 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 123 note PT_NOTE FLAGS(4); /* PF_R */ 124 eh_frame_hdr PT_GNU_EH_FRAME; 125} 126 127/* 128 * This controls what symbols we export from the DSO. 129 */ 130VERSION 131{ 132 VDSO_VERSION_STRING { 133 global: 134 /* 135 * Has to be there for the kernel to find 136 */ 137 __kernel_gettimeofday; 138 __kernel_clock_gettime; 139 __kernel_clock_getres; 140 __kernel_getcpu; 141 __kernel_restart_syscall; 142 __kernel_rt_sigreturn; 143 __kernel_sigreturn; 144 local: *; 145 }; 146} 147