tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC176X/TOOLCHAIN_GCC_CS/LPC1768.ld

   1 /* Linker script for mbed LPC1768
   2  *
   3  * Version:CodeSourcery Sourcery G++ Lite 2007q3-53
   4  * BugURL:https://support.codesourcery.com/GNUToolchain/
   5  *
   6  *  Copyright 2007 CodeSourcery.
   7  *
   8  * The authors hereby grant permission to use, copy, modify, distribute,
   9  * and license this software and its documentation for any purpose, provided
  10  * that existing copyright notices are retained in all copies and that this
  11  * notice is included verbatim in any distributions. No written agreement,
  12  * license, or royalty fee is required for any of the authorized uses.
  13  * Modifications to this software may be copyrighted by their authors
  14  * and need not follow the licensing terms described here, provided that
  15  * the new terms are clearly indicated on the first page of each file where
  16  * they apply. */
  17 OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
  18 ENTRY(__cs3_reset_cortex_m)
  19 SEARCH_DIR(.)
  20
  21 /*
  22 ram ORIGIN: 8_byte_aligned(49 vect * 4 bytes) =  8_byte_aligned(0xC4) = 0xC8
  23 ram LENGTH: 32KB - 0xC8 = 0x7F38
  24 */
  25 MEMORY
  26 {
  27   rom (rx)  : ORIGIN = 0x00000000, LENGTH = 512K
  28
  29   ram (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F38
  30
  31   ram1(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K
  32   ram2(rwx) : ORIGIN = 0x20080000, LENGTH = 16K
  33 }
  34
  35 /* These force the linker to search for particular symbols from
  36  * the start of the link process and thus ensure the user's
  37  * overrides are picked up
  38  */
  39 EXTERN(__cs3_reset_cortex_m)
  40 EXTERN(__cs3_interrupt_vector_cortex_m)
  41 EXTERN(__cs3_start_c main __cs3_stack __cs3_stack_size __cs3_heap_end)
  42
  43 PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
  44 PROVIDE(__cs3_stack_size = __cs3_region_start_ram + __cs3_region_size_ram - _end);
  45 PROVIDE(__cs3_heap_start = _end);
  46 PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);
  47
  48 SECTIONS
  49 {
  50   .text :
  51   {
  52     CREATE_OBJECT_SYMBOLS
  53     __cs3_region_start_rom = .;
  54     *(.cs3.region-head.rom)
  55     __cs3_interrupt_vector = __cs3_interrupt_vector_cortex_m;
  56     *(.cs3.interrupt_vector)
  57     /* Make sure we pulled in an interrupt vector.  */
  58     ASSERT (. != __cs3_interrupt_vector_cortex_m, "No interrupt vector");
  59     *(.rom)
  60     *(.rom.b)
  61
  62     __cs3_reset = __cs3_reset_cortex_m;
  63     *(.cs3.reset)
  64     /* Make sure we pulled in some reset code.  */
  65     ASSERT (. != __cs3_reset, "No reset code");
  66
  67     *(.text .text.* .gnu.linkonce.t.*)
  68     *(.plt)
  69     *(.gnu.warning)
  70     *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
  71
  72     *(.rodata .rodata.* .gnu.linkonce.r.*)
  73
  74     *(.ARM.extab* .gnu.linkonce.armextab.*)
  75     *(.gcc_except_table)
  76     *(.eh_frame_hdr)
  77     *(.eh_frame)
  78
  79     . = ALIGN(4);
  80     KEEP(*(.init))
  81
  82     . = ALIGN(4);
  83     __preinit_array_start = .;
  84     KEEP (*(.preinit_array))
  85     __preinit_array_end = .;
  86
  87     . = ALIGN(4);
  88     __init_array_start = .;
  89     KEEP (*(SORT(.init_array.*)))
  90     KEEP (*(.init_array))
  91     __init_array_end = .;
  92
  93     . = ALIGN(0x4);
  94     KEEP (*crtbegin.o(.ctors))
  95     KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
  96     KEEP (*(SORT(.ctors.*)))
  97     KEEP (*crtend.o(.ctors))
  98
  99     . = ALIGN(4);
 100     KEEP(*(.fini))
 101
 102     . = ALIGN(4);
 103     __fini_array_start = .;
 104     KEEP (*(.fini_array))
 105     KEEP (*(SORT(.fini_array.*)))
 106     __fini_array_end = .;
 107
 108     KEEP (*crtbegin.o(.dtors))
 109     KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
 110     KEEP (*(SORT(.dtors.*)))
 111     KEEP (*crtend.o(.dtors))
 112
 113     . = ALIGN(4);
 114     __cs3_regions = .;
 115     LONG (0)
 116     LONG (__cs3_region_init_ram)
 117     LONG (__cs3_region_start_ram)
 118     LONG (__cs3_region_init_size_ram)
 119     LONG (__cs3_region_zero_size_ram)
 120   }
 121
 122   /* .ARM.exidx is sorted, so has to go in its own output section.  */
 123   __exidx_start = .;
 124   .ARM.exidx :
 125   {
 126     *(.ARM.exidx* .gnu.linkonce.armexidx.*)
 127   } >rom
 128   __exidx_end = .;
 129   .text.align :
 130   {
 131     . = ALIGN(8);
 132     _etext = .;
 133   } >rom
 134   __cs3_region_size_rom = LENGTH(rom);
 135   __cs3_region_num = 1;
 136
 137   .data :
 138   {
 139     __cs3_region_start_ram = .;
 140     *(.cs3.region-head.ram)
 141     KEEP(*(.jcr))
 142     *(.got.plt) *(.got)
 143     *(.shdata)
 144     *(.data .data.* .gnu.linkonce.d.*)
 145     *(.ram)
 146     . = ALIGN (8);
 147     _edata = .;
 148   } >ram AT>rom
 149   .bss :
 150   {
 151     *(.shbss)
 152     *(.bss .bss.* .gnu.linkonce.b.*)
 153     *(COMMON)
 154     *(.ram.b)
 155     . = ALIGN (8);
 156     _end = .;
 157     __end = .;
 158   } >ram AT>rom
 159   /* This used for USB RAM section */
 160         .usb_ram (NOLOAD):
 161         {
 162                 *.o (USB_RAM)
 163         } > ram2
 164   .heap (NOLOAD) :
 165   {
 166     *(.heap)
 167   } >ram
 168   .stack (__cs3_stack - __cs3_stack_size) (NOLOAD):
 169   {
 170     *(.stack)
 171     _estack = .;
 172     PROVIDE(estack = .);
 173   } >ram
 174
 175   __cs3_region_init_ram = LOADADDR (.data);
 176   __cs3_region_init_size_ram = _edata - __cs3_region_start_ram;
 177   __cs3_region_zero_size_ram = _end - _edata;
 178   __cs3_region_size_ram = LENGTH(ram);
 179   __cs3_region_num = 1;
 180
 181   .stab 0 (NOLOAD) : { *(.stab) }
 182   .stabstr 0 (NOLOAD) : { *(.stabstr) }
 183   /* DWARF debug sections.
 184    * Symbols in the DWARF debugging sections are relative to the beginning
 185    * of the section so we begin them at 0.  */
 186   /* DWARF 1 */
 187   .debug          0 : { *(.debug) }
 188   .line           0 : { *(.line) }
 189   /* GNU DWARF 1 extensions */
 190   .debug_srcinfo  0 : { *(.debug_srcinfo) }
 191   .debug_sfnames  0 : { *(.debug_sfnames) }
 192   /* DWARF 1.1 and DWARF 2 */
 193   .debug_aranges  0 : { *(.debug_aranges) }
 194   .debug_pubnames 0 : { *(.debug_pubnames) }
 195   /* DWARF 2 */
 196   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
 197   .debug_abbrev   0 : { *(.debug_abbrev) }
 198   .debug_line     0 : { *(.debug_line) }
 199   .debug_frame    0 : { *(.debug_frame) }
 200   .debug_str      0 : { *(.debug_str) }
 201   .debug_loc      0 : { *(.debug_loc) }
 202   .debug_macinfo  0 : { *(.debug_macinfo) }
 203   /* SGI/MIPS DWARF 2 extensions */
 204   .debug_weaknames 0 : { *(.debug_weaknames) }
 205   .debug_funcnames 0 : { *(.debug_funcnames) }
 206   .debug_typenames 0 : { *(.debug_typenames) }
 207   .debug_varnames  0 : { *(.debug_varnames) }
 208
 209   .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
 210   .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
 211   /DISCARD/ : { *(.note.GNU-stack) }
 212 }