1/* 2 * This is the infamous ld script for the 32 bits vdso 3 * library 4 */ 5#include <asm/vdso.h> 6 7OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc") 8OUTPUT_ARCH(powerpc:common) 9ENTRY(_start) 10 11SECTIONS 12{ 13 . = VDSO32_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.* __ftr_alt_*) 28 } :text 29 PROVIDE(__etext = .); 30 PROVIDE(_etext = .); 31 PROVIDE(etext = .); 32 33 . = ALIGN(8); 34 __ftr_fixup : { *(__ftr_fixup) } 35 36 . = ALIGN(8); 37 __mmu_ftr_fixup : { *(__mmu_ftr_fixup) } 38 39 . = ALIGN(8); 40 __lwsync_fixup : { *(__lwsync_fixup) } 41 42#ifdef CONFIG_PPC64 43 . = ALIGN(8); 44 __fw_ftr_fixup : { *(__fw_ftr_fixup) } 45#endif 46 47 /* 48 * Other stuff is appended to the text segment: 49 */ 50 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 51 .rodata1 : { *(.rodata1) } 52 53 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 54 .eh_frame : { KEEP (*(.eh_frame)) } :text 55 .gcc_except_table : { *(.gcc_except_table) } 56 .fixup : { *(.fixup) } 57 58 .dynamic : { *(.dynamic) } :text :dynamic 59 .got : { *(.got) } :text 60 .plt : { *(.plt) } 61 62 _end = .; 63 __end = .; 64 PROVIDE(end = .); 65 66 /* 67 * Stabs debugging sections are here too. 68 */ 69 .stab 0 : { *(.stab) } 70 .stabstr 0 : { *(.stabstr) } 71 .stab.excl 0 : { *(.stab.excl) } 72 .stab.exclstr 0 : { *(.stab.exclstr) } 73 .stab.index 0 : { *(.stab.index) } 74 .stab.indexstr 0 : { *(.stab.indexstr) } 75 .comment 0 : { *(.comment) } 76 77 /* 78 * DWARF debug sections. 79 * Symbols in the DWARF debugging sections are relative to the beginning 80 * of the section so we begin them at 0. 81 */ 82 /* DWARF 1 */ 83 .debug 0 : { *(.debug) } 84 .line 0 : { *(.line) } 85 /* GNU DWARF 1 extensions */ 86 .debug_srcinfo 0 : { *(.debug_srcinfo) } 87 .debug_sfnames 0 : { *(.debug_sfnames) } 88 /* DWARF 1.1 and DWARF 2 */ 89 .debug_aranges 0 : { *(.debug_aranges) } 90 .debug_pubnames 0 : { *(.debug_pubnames) } 91 /* DWARF 2 */ 92 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 93 .debug_abbrev 0 : { *(.debug_abbrev) } 94 .debug_line 0 : { *(.debug_line) } 95 .debug_frame 0 : { *(.debug_frame) } 96 .debug_str 0 : { *(.debug_str) } 97 .debug_loc 0 : { *(.debug_loc) } 98 .debug_macinfo 0 : { *(.debug_macinfo) } 99 /* SGI/MIPS DWARF 2 extensions */ 100 .debug_weaknames 0 : { *(.debug_weaknames) } 101 .debug_funcnames 0 : { *(.debug_funcnames) } 102 .debug_typenames 0 : { *(.debug_typenames) } 103 .debug_varnames 0 : { *(.debug_varnames) } 104 105 /DISCARD/ : { 106 *(.note.GNU-stack) 107 *(.data .data.* .gnu.linkonce.d.* .sdata*) 108 *(.bss .sbss .dynbss .dynsbss) 109 } 110} 111 112/* 113 * Very old versions of ld do not recognize this name token; use the constant. 114 */ 115#define PT_GNU_EH_FRAME 0x6474e550 116 117/* 118 * We must supply the ELF program headers explicitly to get just one 119 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 120 */ 121PHDRS 122{ 123 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ 124 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 125 note PT_NOTE FLAGS(4); /* PF_R */ 126 eh_frame_hdr PT_GNU_EH_FRAME; 127} 128 129/* 130 * This controls what symbols we export from the DSO. 131 */ 132VERSION 133{ 134 VDSO_VERSION_STRING { 135 global: 136 /* 137 * Has to be there for the kernel to find 138 */ 139 __kernel_datapage_offset; 140 141 __kernel_get_syscall_map; 142 __kernel_gettimeofday; 143 __kernel_clock_gettime; 144 __kernel_clock_getres; 145 __kernel_get_tbfreq; 146 __kernel_sync_dicache; 147 __kernel_sync_dicache_p5; 148 __kernel_sigtramp32; 149 __kernel_sigtramp_rt32; 150 151 local: *; 152 }; 153} 154