1/* Linker script for Xilinx Zynq-7000 2 * 3 * Version: Sourcery CodeBench Lite 2013.11-24 4 * Support: https://sourcery.mentor.com/GNUToolchain/ 5 * 6 * Copyright (c) 2007-2010 CodeSourcery, Inc. 7 * Copyright (c) 2010-2013 Mentor Graphics, Inc. 8 * 9 * The authors hereby grant permission to use, copy, modify, distribute, 10 * and license this software and its documentation for any purpose, provided 11 * that existing copyright notices are retained in all copies and that this 12 * notice is included verbatim in any distributions. No written agreement, 13 * license, or royalty fee is required for any of the authorized uses. 14 * Modifications to this software may be copyrighted by their authors 15 * and need not follow the licensing terms described here, provided that 16 * the new terms are clearly indicated on the first page of each file where 17 * they apply. 18 */ 19OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") 20ENTRY(__cs3_reset) 21SEARCH_DIR(.) 22GROUP(-lgcc -lc -lcs3 -lcs3hosted -lcs3arm) 23 24MEMORY 25{ 26 ram (rwx) : ORIGIN = 0x0, LENGTH = 1024M 27 rom (rx) : ORIGIN = 0xe4000000, LENGTH = 64M 28} 29 30/* These force the linker to search for particular symbols from 31 * the start of the link process and thus ensure the user's 32 * overrides are picked up 33 */ 34EXTERN(__cs3_reset __cs3_reset_zynq7000_ram) 35EXTERN(__cs3_start_asm _start) 36/* Bring in the interrupt routines & vector */ 37INCLUDE arm-names.inc 38EXTERN(__cs3_interrupt_vector_arm) 39EXTERN(__cs3_start_c main __cs3_stack __cs3_heap_end) 40/* force exit to be picked up in a hosted or os environment */ 41EXTERN(exit atexit) 42 43/* Provide fall-back values */ 44PROVIDE(__cs3_heap_start = _end); 45PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram); 46PROVIDE(__cs3_region_num = (__cs3_regions_end - __cs3_regions) / 20); 47/* Ensure that newlib runs the finalizers */ 48__libc_fini = _fini; 49PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram); 50 51SECTIONS 52{ 53 .text : 54 { 55 CREATE_OBJECT_SYMBOLS 56 __cs3_region_start_ram = .; 57 _ftext = .; 58 *(.cs3.region-head.ram) 59 ASSERT (. == __cs3_region_start_ram, ".cs3.region-head.ram not permitted"); 60 __cs3_interrupt_vector = __cs3_interrupt_vector_arm; 61 *(.cs3.interrupt_vector) 62 /* Make sure we pulled in an interrupt vector. */ 63 ASSERT (. != __cs3_interrupt_vector_arm, "No interrupt vector"); 64 65 PROVIDE(__cs3_reset = __cs3_reset_zynq7000_ram); 66 *(.cs3.reset) 67 _start = DEFINED(__cs3_start_asm) ? __cs3_start_asm : _start; 68 69 *(.text.cs3.init) 70 *(.text .text.* .gnu.linkonce.t.*) 71 *(.plt) 72 *(.gnu.warning) 73 *(.glue_7t) *(.glue_7) *(.vfp11_veneer) 74 75 *(.ARM.extab* .gnu.linkonce.armextab.*) 76 *(.gcc_except_table) 77 } >ram 78 .eh_frame_hdr : ALIGN (4) 79 { 80 KEEP (*(.eh_frame_hdr)) 81 *(.eh_frame_entry .eh_frame_entry.*) 82 } >ram 83 .eh_frame : ALIGN (4) 84 { 85 KEEP (*(.eh_frame)) *(.eh_frame.*) 86 } >ram 87 /* .ARM.exidx is sorted, so has to go in its own output section. */ 88 PROVIDE_HIDDEN (__exidx_start = .); 89 .ARM.exidx : 90 { 91 *(.ARM.exidx* .gnu.linkonce.armexidx.*) 92 } >ram 93 PROVIDE_HIDDEN (__exidx_end = .); 94 .rodata : ALIGN (4) 95 { 96 *(.rodata .rodata.* .gnu.linkonce.r.*) 97 98 . = ALIGN(4); 99 KEEP(*(.init)) 100 101 . = ALIGN(4); 102 __preinit_array_start = .; 103 KEEP (*(.preinit_array)) 104 __preinit_array_end = .; 105 106 . = ALIGN(4); 107 __init_array_start = .; 108 KEEP (*(SORT(.init_array.*))) 109 KEEP (*(.init_array)) 110 __init_array_end = .; 111 112 . = ALIGN(4); 113 KEEP(*(.fini)) 114 115 . = ALIGN(4); 116 __fini_array_start = .; 117 KEEP (*(.fini_array)) 118 KEEP (*(SORT(.fini_array.*))) 119 __fini_array_end = .; 120 121 . = ALIGN(0x4); 122 KEEP (*crtbegin.o(.ctors)) 123 KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) 124 KEEP (*(SORT(.ctors.*))) 125 KEEP (*crtend.o(.ctors)) 126 127 . = ALIGN(0x4); 128 KEEP (*crtbegin.o(.dtors)) 129 KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) 130 KEEP (*(SORT(.dtors.*))) 131 KEEP (*crtend.o(.dtors)) 132 133 . = ALIGN(4); 134 __cs3_regions = .; 135 LONG (0) 136 LONG (__cs3_region_init_ram) 137 LONG (__cs3_region_start_ram) 138 LONG (__cs3_region_init_size_ram) 139 LONG (__cs3_region_zero_size_ram) 140 __cs3_regions_end = .; 141 . = ALIGN (8); 142 _etext = .; 143 } >ram 144 145 ASSERT (!(__cs3_region_init_ram & 7), "__cs3_region_init_ram not aligned") 146 ASSERT (!(__cs3_region_start_ram & 7), "__cs3_region_start_ram not aligned") 147 ASSERT (!(__cs3_region_init_size_ram & 7), "__cs3_region_init_size_ram not aligned") 148 ASSERT (!(__cs3_region_zero_size_ram & 7), "__cs3_region_zero_size_ram not aligned") 149 .cs3.rom : ALIGN (8) 150 { 151 __cs3_region_start_rom = .; 152 *(.cs3.region-head.rom) 153 *(.rom) 154 . = ALIGN (8); 155 } >rom 156 .cs3.rom.bss : 157 { 158 *(.rom.b .bss.rom) 159 . = ALIGN (8); 160 } >rom 161 /* __cs3_region_end_rom is deprecated */ 162 __cs3_region_end_rom = __cs3_region_start_rom + LENGTH(rom); 163 __cs3_region_size_rom = LENGTH(rom); 164 __cs3_region_init_rom = LOADADDR (.cs3.rom); 165 __cs3_region_init_size_rom = LOADADDR (.cs3.rom.bss) - LOADADDR (.cs3.rom); 166 __cs3_region_zero_size_rom = SIZEOF(.cs3.rom.bss); 167 168 .data : ALIGN (8) 169 { 170 KEEP(*(.jcr)) 171 *(.got.plt) *(.got) 172 *(.shdata) 173 *(.data .data.* .gnu.linkonce.d.*) 174 . = ALIGN (8); 175 *(.ram) 176 . = ALIGN (8); 177 _edata = .; 178 } >ram 179 .bss : ALIGN (8) 180 { 181 *(.shbss) 182 *(.bss .bss.* .gnu.linkonce.b.*) 183 *(COMMON) 184 . = ALIGN (8); 185 *(.ram.b .bss.ram) 186 . = ALIGN (8); 187 _end = .; 188 __end = .; 189 } >ram 190 /* __cs3_region_end_ram is deprecated */ 191 __cs3_region_end_ram = __cs3_region_start_ram + LENGTH(ram); 192 __cs3_region_size_ram = LENGTH(ram); 193 __cs3_region_init_ram = LOADADDR (.text); 194 __cs3_region_init_size_ram = _edata - ADDR (.text); 195 __cs3_region_zero_size_ram = _end - _edata; 196 197 .stab 0 (NOLOAD) : { *(.stab) } 198 .stabstr 0 (NOLOAD) : { *(.stabstr) } 199 /* DWARF debug sections. 200 * Symbols in the DWARF debugging sections are relative to 201 * the beginning of the section so we begin them at 0. 202 */ 203 /* DWARF 1 */ 204 .debug 0 : { *(.debug) } 205 .line 0 : { *(.line) } 206 /* GNU DWARF 1 extensions */ 207 .debug_srcinfo 0 : { *(.debug_srcinfo) } 208 .debug_sfnames 0 : { *(.debug_sfnames) } 209 /* DWARF 1.1 and DWARF 2 */ 210 .debug_aranges 0 : { *(.debug_aranges) } 211 .debug_pubnames 0 : { *(.debug_pubnames) } 212 /* DWARF 2 */ 213 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 214 .debug_abbrev 0 : { *(.debug_abbrev) } 215 .debug_line 0 : { *(.debug_line) } 216 .debug_frame 0 : { *(.debug_frame) } 217 .debug_str 0 : { *(.debug_str) } 218 .debug_loc 0 : { *(.debug_loc) } 219 .debug_macinfo 0 : { *(.debug_macinfo) } 220 /* DWARF 2.1 */ 221 .debug_ranges 0 : { *(.debug_ranges) } 222 /* SGI/MIPS DWARF 2 extensions */ 223 .debug_weaknames 0 : { *(.debug_weaknames) } 224 .debug_funcnames 0 : { *(.debug_funcnames) } 225 .debug_typenames 0 : { *(.debug_typenames) } 226 .debug_varnames 0 : { *(.debug_varnames) } 227 228 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } 229 .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) } 230 /DISCARD/ : { *(.note.GNU-stack) } 231} 232/* checksum: 42f10c69a04dad841d441 */ 233