1 /* $NetBSD: kern.ldscript,v 1.8 2015/08/21 02:35:52 uebayasi Exp $ */ 2 3 /* ldscript for NetBSD/powerpc kernels and LKMs, based on elf32ppc.x */ 4 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", 5 "elf32-powerpc") 6 OUTPUT_ARCH(powerpc:common) 7 ENTRY(_start) 8 /* Do we need any of these? 9 __DYNAMIC = 0; */ 10 _DYNAMIC_LINK = 0; 11 SECTIONS 12 { 13 /* Read-only sections, merged into text segment. Assumes the 14 kernel Makefile sets the start address via -Ttext. */ 15 .text : 16 { 17 _ftext = . ; 18 PROVIDE_HIDDEN (__eprol = .); 19 *(.text) 20 *(.text.unlikely .text.*_unlikely) 21 *(.text.exit .text.exit.*) 22 *(.text.startup .text.startup.*) 23 *(.text.hot .text.hot.*) 24 *(.text.* .gnu.linkonce.t.*) 25 __stub_start = .; 26 *(.stub) 27 __stub_end = .; 28 __stub_pmap_start = .; 29 *(.stub.pmap) 30 __stub_pmap_end = .; 31 /* .gnu.warning sections are handled specially by elf32.em. */ 32 *(.gnu.warning) 33 *(.glink) 34 } =0 35 _etext = .; 36 PROVIDE (__etext = .); 37 PROVIDE (_etext = .); 38 PROVIDE (etext = .); 39 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 40 .rodata1 : { *(.rodata1) } 41 .sdata2 : 42 { 43 PROVIDE (_SDA2_BASE_ = 32768); 44 *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) 45 } 46 .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } 47 /*.jcr : { KEEP (*(.jcr)) } */ /* XXX??? */ 48 .reginfo : { *(.reginfo) } 49 /* . = . + 0x1000; */ 50 .data : 51 { 52 _fdata = . ; 53 *(.data .data.* .gnu.linkonce.d.*) 54 SORT(CONSTRUCTORS) 55 } 56 .data1 : { *(.data1) } 57 . = ALIGN(32); /* COHERENCY UNIT */ 58 .data.cacheline_aligned : { *(.data.cacheline_aligned) } 59 . = ALIGN(32); /* COHERENCY UNIT */ 60 .data.read_mostly : { *(.data.read_mostly) } 61 . = ALIGN(32); /* COHERENCY UNIT */ 62 _gp = ALIGN(16) + 0x7ff0; 63 .lit8 : { *(.lit8) } 64 .lit4 : { *(.lit4) } 65 .sdata : 66 { 67 PROVIDE (_SDA_BASE_ = 32768); 68 *(.sdata .sdata.* .gnu.linkonce.s.*) 69 } 70 _edata = .; PROVIDE (edata = .); 71 . = .; 72 __bss_start = .; 73 _fbss = .; 74 .sbss : 75 { 76 PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .); 77 *(.dynsbss) 78 *(.sbss .sbss.* .gnu.linkonce.sb.*) 79 *(.scommon) 80 PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .); 81 } 82 .bss : 83 { 84 *(.dynbss) 85 *(.bss .bss.* .gnu.linkonce.b.*) 86 *(COMMON) 87 /* Align here to ensure that the .bss section occupies space up to 88 _end. Align after .bss to ensure correct alignment even if the 89 .bss section disappears because there are no input sections. 90 FIXME: Why do we need it? When there is no .bss section, we don't 91 pad the .data section. */ 92 . = ALIGN(. != 0 ? 32 / 8 : 1); 93 } 94 . = ALIGN(32 / 8); 95 . = ALIGN(32 / 8); 96 __end = .; 97 _end = .; PROVIDE (end = .); 98 /* . = DATA_SEGMENT_END (.); */ 99 /* Stabs debugging sections. */ 100 .stab 0 : { *(.stab) } 101 .stabstr 0 : { *(.stabstr) } 102 .stab.excl 0 : { *(.stab.excl) } 103 .stab.exclstr 0 : { *(.stab.exclstr) } 104 .stab.index 0 : { *(.stab.index) } 105 .stab.indexstr 0 : { *(.stab.indexstr) } 106 .comment 0 : { *(.comment) } 107 /* DWARF debug sections. 108 Symbols in the DWARF debugging sections are relative to the beginning 109 of the section so we begin them at 0. */ 110 /* DWARF 1 */ 111 .debug 0 : { *(.debug) } 112 .line 0 : { *(.line) } 113 /* GNU DWARF 1 extensions */ 114 .debug_srcinfo 0 : { *(.debug_srcinfo) } 115 .debug_sfnames 0 : { *(.debug_sfnames) } 116 /* DWARF 1.1 and DWARF 2 */ 117 .debug_aranges 0 : { *(.debug_aranges) } 118 .debug_pubnames 0 : { *(.debug_pubnames) } 119 /* DWARF 2 */ 120 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 121 .debug_abbrev 0 : { *(.debug_abbrev) } 122 .debug_line 0 : { *(.debug_line) } 123 .debug_frame 0 : { *(.debug_frame) } 124 .debug_str 0 : { *(.debug_str) } 125 .debug_loc 0 : { *(.debug_loc) } 126 .debug_macinfo 0 : { *(.debug_macinfo) } 127 /* SGI/MIPS DWARF 2 extensions */ 128 .debug_weaknames 0 : { *(.debug_weaknames) } 129 .debug_funcnames 0 : { *(.debug_funcnames) } 130 .debug_typenames 0 : { *(.debug_typenames) } 131 .debug_varnames 0 : { *(.debug_varnames) } 132 /* DWARF 3 */ 133 .debug_pubtypes 0 : { *(.debug_pubtypes) } 134 .debug_ranges 0 : { *(.debug_ranges) } 135 /* DWARF Extension. */ 136 .debug_macro 0 : { *(.debug_macro) } 137 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 138 .line 0 : { *(.line) } 139 /* These must appear regardless of . */ 140 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) } 141 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) } 142 } 143