1/* 2 * This is the infamous ld script for the 32 bits vdso 3 * library 4 */ 5#include <asm/vdso.h> 6 7#ifdef __LITTLE_ENDIAN__ 8OUTPUT_FORMAT("elf32-powerpcle", "elf32-powerpcle", "elf32-powerpcle") 9#else 10OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc") 11#endif 12OUTPUT_ARCH(powerpc:common) 13ENTRY(_start) 14 15SECTIONS 16{ 17 . = VDSO32_LBASE + SIZEOF_HEADERS; 18 19 .hash : { *(.hash) } :text 20 .gnu.hash : { *(.gnu.hash) } 21 .dynsym : { *(.dynsym) } 22 .dynstr : { *(.dynstr) } 23 .gnu.version : { *(.gnu.version) } 24 .gnu.version_d : { *(.gnu.version_d) } 25 .gnu.version_r : { *(.gnu.version_r) } 26 27 .note : { *(.note.*) } :text :note 28 29 . = ALIGN(16); 30 .text : { 31 *(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*) 32 } :text 33 PROVIDE(__etext = .); 34 PROVIDE(_etext = .); 35 PROVIDE(etext = .); 36 37 . = ALIGN(8); 38 __ftr_fixup : { *(__ftr_fixup) } 39 40 . = ALIGN(8); 41 __mmu_ftr_fixup : { *(__mmu_ftr_fixup) } 42 43 . = ALIGN(8); 44 __lwsync_fixup : { *(__lwsync_fixup) } 45 46#ifdef CONFIG_PPC64 47 . = ALIGN(8); 48 __fw_ftr_fixup : { *(__fw_ftr_fixup) } 49#endif 50 51 /* 52 * Other stuff is appended to the text segment: 53 */ 54 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 55 .rodata1 : { *(.rodata1) } 56 57 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 58 .eh_frame : { KEEP (*(.eh_frame)) } :text 59 .gcc_except_table : { *(.gcc_except_table) } 60 .fixup : { *(.fixup) } 61 62 .dynamic : { *(.dynamic) } :text :dynamic 63 .got : { *(.got) } :text 64 .plt : { *(.plt) } 65 66 _end = .; 67 __end = .; 68 PROVIDE(end = .); 69 70 /* 71 * Stabs debugging sections are here too. 72 */ 73 .stab 0 : { *(.stab) } 74 .stabstr 0 : { *(.stabstr) } 75 .stab.excl 0 : { *(.stab.excl) } 76 .stab.exclstr 0 : { *(.stab.exclstr) } 77 .stab.index 0 : { *(.stab.index) } 78 .stab.indexstr 0 : { *(.stab.indexstr) } 79 .comment 0 : { *(.comment) } 80 81 /* 82 * DWARF debug sections. 83 * Symbols in the DWARF debugging sections are relative to the beginning 84 * of the section so we begin them at 0. 85 */ 86 /* DWARF 1 */ 87 .debug 0 : { *(.debug) } 88 .line 0 : { *(.line) } 89 /* GNU DWARF 1 extensions */ 90 .debug_srcinfo 0 : { *(.debug_srcinfo) } 91 .debug_sfnames 0 : { *(.debug_sfnames) } 92 /* DWARF 1.1 and DWARF 2 */ 93 .debug_aranges 0 : { *(.debug_aranges) } 94 .debug_pubnames 0 : { *(.debug_pubnames) } 95 /* DWARF 2 */ 96 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 97 .debug_abbrev 0 : { *(.debug_abbrev) } 98 .debug_line 0 : { *(.debug_line) } 99 .debug_frame 0 : { *(.debug_frame) } 100 .debug_str 0 : { *(.debug_str) } 101 .debug_loc 0 : { *(.debug_loc) } 102 .debug_macinfo 0 : { *(.debug_macinfo) } 103 /* SGI/MIPS DWARF 2 extensions */ 104 .debug_weaknames 0 : { *(.debug_weaknames) } 105 .debug_funcnames 0 : { *(.debug_funcnames) } 106 .debug_typenames 0 : { *(.debug_typenames) } 107 .debug_varnames 0 : { *(.debug_varnames) } 108 109 /DISCARD/ : { 110 *(.note.GNU-stack) 111 *(.data .data.* .gnu.linkonce.d.* .sdata*) 112 *(.bss .sbss .dynbss .dynsbss) 113 } 114} 115 116/* 117 * Very old versions of ld do not recognize this name token; use the constant. 118 */ 119#define PT_GNU_EH_FRAME 0x6474e550 120 121/* 122 * We must supply the ELF program headers explicitly to get just one 123 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 124 */ 125PHDRS 126{ 127 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ 128 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 129 note PT_NOTE FLAGS(4); /* PF_R */ 130 eh_frame_hdr PT_GNU_EH_FRAME; 131} 132 133/* 134 * This controls what symbols we export from the DSO. 135 */ 136VERSION 137{ 138 VDSO_VERSION_STRING { 139 global: 140 /* 141 * Has to be there for the kernel to find 142 */ 143 __kernel_datapage_offset; 144 145 __kernel_get_syscall_map; 146 __kernel_gettimeofday; 147 __kernel_clock_gettime; 148 __kernel_clock_getres; 149 __kernel_get_tbfreq; 150 __kernel_sync_dicache; 151 __kernel_sync_dicache_p5; 152 __kernel_sigtramp32; 153 __kernel_sigtramp_rt32; 154#ifdef CONFIG_PPC64 155 __kernel_getcpu; 156#endif 157 __kernel_time; 158 159 local: *; 160 }; 161} 162