1# Adapted from mips.sc 2# These variables may be overridden by the emulation file. The 3# defaults are appropriate for a DECstation running Ultrix. 4test -z "$ENTRY" && ENTRY=_start 5 6#test -z "$TEXT_START_ADDR" && TEXT_START_ADDR="0x0" 7 8CTOR=".ctors ${CONSTRUCTING-0} : 9 { 10 ${CONSTRUCTING+${CTOR_START}} 11 /* gcc uses crtbegin.o to find the start of 12 the constructors, so we make sure it is 13 first. Because this is a wildcard, it 14 doesn't matter if the user does not 15 actually link against crtbegin.o; the 16 linker won't look for a file to match a 17 wildcard. The wildcard also means that it 18 doesn't matter which directory crtbegin.o 19 is in. */ 20 21 KEEP (*crtbegin.o(.ctors)) 22 23 /* We don't want to include the .ctor section from 24 from the crtend.o file until after the sorted ctors. 25 The .ctor section from the crtend file contains the 26 end of ctors marker and it must be last */ 27 28 KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) 29 KEEP (*(SORT(.ctors.*))) 30 KEEP (*(.ctors)) 31 ${CONSTRUCTING+${CTOR_END}} 32 }" 33 34DTOR=" .dtors ${CONSTRUCTING-0} : 35 { 36 ${CONSTRUCTING+${DTOR_START}} 37 KEEP (*crtbegin.o(.dtors)) 38 KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) 39 KEEP (*(SORT(.dtors.*))) 40 KEEP (*(.dtors)) 41 ${CONSTRUCTING+${DTOR_END}} 42 }" 43 44cat <<EOF 45OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", 46 "${LITTLE_OUTPUT_FORMAT}") 47/*${LIB_SEARCH_DIRS}*/ 48${RELOCATING+${LIB_SEARCH_DIRS}} 49 50${RELOCATING+ENTRY (${ENTRY})} 51 52_TEXT_START_ADDR = DEFINED(_TEXT_START_ADDR) ? _TEXT_START_ADDR : 0x50; 53_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x0; 54_STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x400; 55 56SECTIONS 57{ 58 .vectors.reset 0x0 : { KEEP (*(.vectors.reset)) } = 0 59 .vectors.sw_exception 0x8 : { KEEP (*(.vectors.sw_exception)) } = 0 60 .vectors.interrupt 0x10 : { KEEP (*(.vectors.interrupt)) } = 0 61 .vectors.debug_sw_break 0x18 : { KEEP (*(.vectors.debug_sw_break)) } = 0 62 .vectors.hw_exception 0x20 : { KEEP (*(.vectors.hw_exception)) } = 0 63 64 ${RELOCATING+. = _TEXT_START_ADDR;} 65 66 ${RELOCATING+ _ftext = .;} 67 .text : { 68 ${RELOCATING+*(.text)} 69 ${RELOCATING+*(.text.*)} 70 ${RELOCATING+*(.gnu.linkonce.t.*)} 71 } 72 ${RELOCATING+ _etext = .;} 73 74 .init : { KEEP (*(.init)) } =0 75 .fini : { KEEP (*(.fini)) } =0 76 77 ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);} 78 ${RELOCATING+PROVIDE (___CTOR_LIST__ = .);} 79 ${RELOCATING+${CTOR}} 80 ${RELOCATING+PROVIDE (__CTOR_END__ = .);} 81 ${RELOCATING+PROVIDE (___CTOR_END__ = .);} 82 83 ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);} 84 ${RELOCATING+PROVIDE (___DTOR_LIST__ = .);} 85 ${RELOCATING+${DTOR}} 86 ${RELOCATING+PROVIDE (__DTOR_END__ = .);} 87 ${RELOCATING+PROVIDE (___DTOR_END__ = .);} 88 89 ${RELOCATING+ . = ALIGN(4);} 90 ${RELOCATING+ _frodata = . ;} 91 .rodata : { 92 ${RELOCATING+*(.rodata)} 93 ${RELOCATING+*(.rodata.*)} 94 ${RELOCATING+*(.gnu.linkonce.r.*)} 95 ${CONSTRUCTING+CONSTRUCTORS}; /* Is this needed? */ 96 } 97 ${RELOCATING+ _erodata = .;} 98 99 /* Alignments by 8 to ensure that _SDA2_BASE_ on a word boundary */ 100 /* Note that .sdata2 and .sbss2 must be contiguous */ 101 ${RELOCATING+. = ALIGN(8);} 102 ${RELOCATING+ _ssrw = .;} 103 .sdata2 : { 104 ${RELOCATING+*(.sdata2)} 105 ${RELOCATING+*(.sdata2.*)} 106 ${RELOCATING+*(.gnu.linkonce.s2.*)} 107 } 108 ${RELOCATING+. = ALIGN(4);} 109 .sbss2 : { 110 ${RELOCATING+PROVIDE (__sbss2_start = .);} 111 ${RELOCATING+*(.sbss2)} 112 ${RELOCATING+*(.sbss2.*)} 113 ${RELOCATING+*(.gnu.linkonce.sb2.*)} 114 ${RELOCATING+PROVIDE (__sbss2_end = .);} 115 } 116 ${RELOCATING+. = ALIGN(8);} 117 ${RELOCATING+ _essrw = .;} 118 ${RELOCATING+ _ssrw_size = _essrw - _ssrw;} 119 ${RELOCATING+ PROVIDE (_SDA2_BASE_ = _ssrw + (_ssrw_size / 2 ));} 120 121 ${RELOCATING+ . = ALIGN(4);} 122 ${RELOCATING+ _fdata = .;} 123 .data : { 124 ${RELOCATING+*(.data)} 125 ${RELOCATING+*(.gnu.linkonce.d.*)} 126 ${CONSTRUCTING+CONSTRUCTORS}; /* Is this needed? */ 127 } 128 ${RELOCATING+ _edata = . ;} 129 130 /* Added to handle pic code */ 131 .got : { 132 ${RELOCATING+*(.got)} 133 } 134 135 .got1 : { 136 ${RELOCATING+*(.got1)} 137 } 138 139 .got2 : { 140 ${RELOCATING+*(.got2)} 141 } 142 143 /* Added by Sathya to handle C++ exceptions */ 144 .eh_frame : { 145 ${RELOCATING+*(.eh_frame)} 146 } 147 148 .jcr : { 149 ${RELOCATING+*(.jcr)} 150 } 151 152 .gcc_except_table : { 153 ${RELOCATING+*(.gcc_except_table)} 154 } 155 156 /* Alignments by 8 to ensure that _SDA_BASE_ on a word boundary */ 157 /* Note that .sdata and .sbss must be contiguous */ 158 ${RELOCATING+. = ALIGN(8);} 159 ${RELOCATING+ _ssro = .;} 160 .sdata : { 161 ${RELOCATING+*(.sdata)} 162 ${RELOCATING+*(.sdata.*)} 163 ${RELOCATING+*(.gnu.linkonce.s.*)} 164 } 165 ${RELOCATING+. = ALIGN(4);} 166 .sbss : { 167 ${RELOCATING+PROVIDE (__sbss_start = .);} 168 ${RELOCATING+*(.sbss)} 169 ${RELOCATING+*(.sbss.*)} 170 ${RELOCATING+*(.gnu.linkonce.sb.*)} 171 ${RELOCATING+PROVIDE (__sbss_end = .);} 172 } 173 ${RELOCATING+. = ALIGN(8);} 174 ${RELOCATING+ _essro = .;} 175 ${RELOCATING+ _ssro_size = _essro - _ssro;} 176 ${RELOCATING+PROVIDE (_SDA_BASE_ = _ssro + (_ssro_size / 2 ));} 177 178 ${RELOCATING+ . = ALIGN(4);} 179 ${RELOCATING+ _fbss = .;} 180 .bss : { 181 ${RELOCATING+PROVIDE (__bss_start = .);} 182 ${RELOCATING+*(.bss)} 183 ${RELOCATING+*(.bss.*)} 184 ${RELOCATING+*(.gnu.linkonce.b.*)} 185 ${RELOCATING+*(COMMON)} 186 ${RELOCATING+. = ALIGN(4);} 187 188 ${RELOCATING+PROVIDE (__bss_end = .);} 189 190 } 191 192 ${RELOCATING+ . = ALIGN(4);} 193 194 .heap : { 195 ${RELOCATING+ _heap = .;} 196 ${RELOCATING+ _heap_start = .;} 197 ${RELOCATING+ . += _HEAP_SIZE;} 198 ${RELOCATING+ _heap_end = .;} 199 } 200 201 ${RELOCATING+ . = ALIGN(4);} 202 203 .stack : { 204 ${RELOCATING+ _stack_end = .;} 205 ${RELOCATING+ . += _STACK_SIZE;} 206 ${RELOCATING+ . = ALIGN(8);} 207 ${RELOCATING+ _stack = .;} 208 ${RELOCATING+ _end = .;} 209 } 210 211 .tdata : { 212 ${RELOCATING+*(.tdata)} 213 ${RELOCATING+*(.tdata.*)} 214 ${RELOCATING+*(.gnu.linkonce.td.*)} 215 } 216 .tbss : { 217 ${RELOCATING+*(.tbss)} 218 ${RELOCATING+*(.tbss.*)} 219 ${RELOCATING+*(.gnu.linkonce.tb.*)} 220 } 221} 222EOF 223