| Martin Schwidefsky | b020632 | 2008-12-25 13:38:36 +0100 | [diff] [blame] | 1 | /* |
| 2 | * This is the infamous ld script for the 64 bits vdso |
| 3 | * library |
| 4 | */ |
| 5 | #include <asm/vdso.h> |
| 6 | |
| 7 | OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") |
| 8 | OUTPUT_ARCH(s390:64-bit) |
| 9 | ENTRY(_start) |
| 10 | |
| 11 | SECTIONS |
| 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 | */ |
| 114 | PHDRS |
| 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 | */ |
| 125 | VERSION |
| 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 | } |