1/* 2 * This is the infamous ld script for the 64 bits vdso 3 * library 4 */ 5#include <asm/vdso.h> 6 7OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") 8OUTPUT_ARCH(s390:64-bit) 9ENTRY(_start) 10 11SECTIONS 12{ 13 . = VDSO64_LBASE + SIZEOF_HEADERS; 14 15 .hash : { *(.hash) } :text 16 .gnu.hash : { *(.gnu.hash) } 17 .dynsym : { *(.dynsym) } 18 .dynstr : { *(.dynstr) } 19 .gnu.version : { *(.gnu.version) } 20 .gnu.version_d : { *(.gnu.version_d) } 21 .gnu.version_r : { *(.gnu.version_r) } 22 23 .note : { *(.note.*) } :text :note 24 25 . = ALIGN(16); 26 .text : { 27 *(.text .stub .text.* .gnu.linkonce.t.*) 28 } :text 29 PROVIDE(__etext = .); 30 PROVIDE(_etext = .); 31 PROVIDE(etext = .); 32 33 /* 34 * Other stuff is appended to the text segment: 35 */ 36 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 37 .rodata1 : { *(.rodata1) } 38 39 .dynamic : { *(.dynamic) } :text :dynamic 40 41 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 42 .eh_frame : { KEEP (*(.eh_frame)) } :text 43 .gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) } 44 45 .rela.dyn ALIGN(8) : { *(.rela.dyn) } 46 .got ALIGN(8) : { *(.got .toc) } 47 48 _end = .; 49 PROVIDE(end = .); 50 51 /* 52 * Stabs debugging sections are here too. 53 */ 54 .stab 0 : { *(.stab) } 55 .stabstr 0 : { *(.stabstr) } 56 .stab.excl 0 : { *(.stab.excl) } 57 .stab.exclstr 0 : { *(.stab.exclstr) } 58 .stab.index 0 : { *(.stab.index) } 59 .stab.indexstr 0 : { *(.stab.indexstr) } 60 .comment 0 : { *(.comment) } 61 62 /* 63 * DWARF debug sections. 64 * Symbols in the DWARF debugging sections are relative to the 65 * beginning of the section so we begin them at 0. 66 */ 67 /* DWARF 1 */ 68 .debug 0 : { *(.debug) } 69 .line 0 : { *(.line) } 70 /* GNU DWARF 1 extensions */ 71 .debug_srcinfo 0 : { *(.debug_srcinfo) } 72 .debug_sfnames 0 : { *(.debug_sfnames) } 73 /* DWARF 1.1 and DWARF 2 */ 74 .debug_aranges 0 : { *(.debug_aranges) } 75 .debug_pubnames 0 : { *(.debug_pubnames) } 76 /* DWARF 2 */ 77 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 78 .debug_abbrev 0 : { *(.debug_abbrev) } 79 .debug_line 0 : { *(.debug_line) } 80 .debug_frame 0 : { *(.debug_frame) } 81 .debug_str 0 : { *(.debug_str) } 82 .debug_loc 0 : { *(.debug_loc) } 83 .debug_macinfo 0 : { *(.debug_macinfo) } 84 /* SGI/MIPS DWARF 2 extensions */ 85 .debug_weaknames 0 : { *(.debug_weaknames) } 86 .debug_funcnames 0 : { *(.debug_funcnames) } 87 .debug_typenames 0 : { *(.debug_typenames) } 88 .debug_varnames 0 : { *(.debug_varnames) } 89 /* DWARF 3 */ 90 .debug_pubtypes 0 : { *(.debug_pubtypes) } 91 .debug_ranges 0 : { *(.debug_ranges) } 92 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 93 94 . = ALIGN(4096); 95 PROVIDE(_vdso_data = .); 96 97 /DISCARD/ : { 98 *(.note.GNU-stack) 99 *(.branch_lt) 100 *(.data .data.* .gnu.linkonce.d.* .sdata*) 101 *(.bss .sbss .dynbss .dynsbss) 102 } 103} 104 105/* 106 * Very old versions of ld do not recognize this name token; use the constant. 107 */ 108#define PT_GNU_EH_FRAME 0x6474e550 109 110/* 111 * We must supply the ELF program headers explicitly to get just one 112 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 113 */ 114PHDRS 115{ 116 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ 117 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 118 note PT_NOTE FLAGS(4); /* PF_R */ 119 eh_frame_hdr PT_GNU_EH_FRAME; 120} 121 122/* 123 * This controls what symbols we export from the DSO. 124 */ 125VERSION 126{ 127 VDSO_VERSION_STRING { 128 global: 129 /* 130 * Has to be there for the kernel to find 131 */ 132 __kernel_gettimeofday; 133 __kernel_clock_gettime; 134 __kernel_clock_getres; 135 136 local: *; 137 }; 138} 139