Diff: LPC2368/GCC_CR/LPC2368.ld

Revision:

27:7110ebee3484

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC2368/GCC_CR/LPC2368.ld	Tue Nov 29 14:59:27 2011 +0000
@@ -0,0 +1,208 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(vectors)
+
+GROUP(-lsupc++ -lm -lc -lgcc)
+
+/* Memory Definitions: */
+MEMORY
+{
+    Flash  (rx)  : ORIGIN = 0x00000000, LENGTH = 512k
+    Ram    (rwx) : ORIGIN = 0x40000000, LENGTH = 32k
+    UsbRam (rw)  : ORIGIN = 0x7FD00000, LENGTH = 8k
+    EthRam (rw)  : ORIGIN = 0x7FE00000, LENGTH = 16k
+    CanRam (rw)  : ORIGIN = 0xE0038000, LENGTH = 2k
+    BatRam (rw)  : ORIGIN = 0xE0084000, LENGTH = 2k
+}
+
+/* Stack sizes: */
+UND_Stack_Size = 16;
+SVC_Stack_Size = 512;
+ABT_Stack_Size = 16;
+FIQ_Stack_Size = 16;
+IRQ_Stack_Size = 256;
+Stack_Size_Total = UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + FIQ_Stack_Size + IRQ_Stack_Size;
+
+/* Stack tops for each mode: */
+__und_stack_top__ = __stacks_top__;
+__abt_stack_top__ = __und_stack_top__ - UND_Stack_Size ;
+__fiq_stack_top__ = __abt_stack_top__ - ABT_Stack_Size ;
+__irq_stack_top__ = __fiq_stack_top__ - FIQ_Stack_Size ;
+__svc_stack_top__ = __irq_stack_top__ - IRQ_Stack_Size ;
+
+/* C-accessible symbols for memory address ranges: */
+__FLASH_segment_start__ = ORIGIN( Flash );
+__FLASH_segment_end__   = ORIGIN( Flash ) + LENGTH( Flash );
+__SRAM_segment_start__  = ORIGIN( Ram );
+__SRAM_segment_end__    = ORIGIN( Ram ) + LENGTH( Ram );
+
+/* Stacks (full descending) at top of RAM, grows downward:
+ *
+ * __stack_min__ is used by the malloc implementation to ensure heap never collides
+ * with stack (assuming stack never grows beyond Stack_Size_Total in length) */
+__stacks_top__ = __SRAM_segment_end__;
+__stacks_min__ = __SRAM_segment_end__ - Stack_Size_Total;
+
+SECTIONS
+{
+    /* first section is .text which is used for code */
+    __text_start__ = . ;
+    .text : {
+        __privileged_code_start__ = . ;
+        KEEP( *( .vectors ) )
+        *( .privileged_code )
+    
+        __privileged_code_end__ = .;
+
+        *( .text .text.* .gnu.linkonce.t.* )
+        *( .plt )
+        *( .gnu.warning )
+        *( .glue_7t ) *( .glue_7 ) *( .vfp11_veneer )
+        
+        *( .rodata .rodata.* .gnu.linkonce.r.* )
+        
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+        *(.gcc_except_table)
+        *(.eh_frame_hdr)
+        *(.eh_frame)
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *( .init ) )
+        . = ALIGN( 4 ) ;
+        __preinit_array_start = . ;
+        KEEP( *( .preinit_array ) )
+        __preinit_array_end = . ;
+        . = ALIGN( 4 ) ;
+        __init_array_start = . ;
+        KEEP( *( SORT( .init_array.* ) ) )
+        KEEP( *( .init_array ) )
+        __init_array_end = . ;
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *crtbegin.o( .ctors ) )
+        KEEP( *( EXCLUDE_FILE( *crtend.o ) .ctors ) )
+        KEEP( *( SORT( .ctors.* ) ) )
+        KEEP( *crtend.o( .ctors ) )
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *( .fini ) )
+        . = ALIGN( 4 ) ;
+        __fini_array_start = . ;
+        KEEP( *( .fini_array ) )
+        KEEP( *( SORT( .fini_array.* ) ) )
+        __fini_array_end = . ;
+        
+        KEEP( *crtbegin.o( .dtors ) )
+        KEEP( *( EXCLUDE_FILE( *crtend.o ) .dtors ) )
+        KEEP( *( SORT( .dtors.* ) ) )
+        KEEP( *crtend.o( .dtors ) )
+    
+    } >Flash
+    
+    __exidx_start = . ;
+    .ARM.exidx : {
+        *( .ARM.exidx* .gnu.linkonce.armexidx.* )
+    } >Flash
+    __exidx_end = . ;
+    
+    .text.align : { . = ALIGN( 8 ) ; } >Flash /* Alignment schenanigans */
+    __text_end__ = . ;
+    
+    /* .bss section -- used for uninitialized data */
+    /* Located at the start of RAM */
+    .bss (NOLOAD) : {
+        __bss_start__ = . ;
+        *crt0.o( .ram_vectors )
+        
+        __user_bss_start__ = . ;
+        *( .user_bss )
+        __user_bss_end__ = . ;
+        
+        *( .shbss )
+        *( .bss .bss.* .gnu.linkonce.b.* )
+        *( COMMON )
+        *( .ram.b )
+        . = ALIGN( 8 ) ;
+        
+        __bss_end__ = . ;
+    } >Ram AT>Flash
+
+    /* .data section -- used for initialized data */
+    .data : {
+        __data_start__ = . ;
+        KEEP( *( .jcr ) )
+        *( .got.plt ) *( .got )
+        *( .shdata )
+        *( .data .data.* .gnu.linkonce.d.* )
+        *( .ram )
+        . = ALIGN( 8 ) ;
+        __data_end__ = . ;
+    } >Ram AT>Flash
+
+    __data_init_start__ = LOADADDR( .data ) ;
+
+    /* Heap starts here and grows up in memory */
+    . = ALIGN( 8 ) ;
+    __heap_start__ = . ;
+
+    .stab    0 (NOLOAD) : { *(.stab) }
+    .stabstr 0 (NOLOAD) : { *(.stabstr) }
+    /* DWARF debug sections. */
+    /* Symbols in the DWARF debugging sections are relative to the  */
+    /* beginning of the section so we begin them at 0.              */
+    /* DWARF 1 */
+    .debug           0 : { *(.debug) }
+    .line            0 : { *(.line) }
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo   0 : { *(.debug_srcinfo) }
+    .debug_sfnames   0 : { *(.debug_sfnames) }
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges   0 : { *(.debug_aranges) }
+    .debug_pubnames  0 : { *(.debug_pubnames) }
+    /* DWARF 2 */
+    .debug_info      0 : { *(.debug_info .gnu.linkonce.wi.*) }
+    .debug_abbrev    0 : { *(.debug_abbrev) }
+    .debug_line      0 : { *(.debug_line) }
+    .debug_frame     0 : { *(.debug_frame) }
+    .debug_str       0 : { *(.debug_str) }
+    .debug_loc       0 : { *(.debug_loc) }
+    .debug_macinfo   0 : { *(.debug_macinfo) }
+    /* SGI/MIPS DWARF 2 extensions */
+    .debug_weaknames 0 : { *(.debug_weaknames) }
+    .debug_funcnames 0 : { *(.debug_funcnames) }
+    .debug_typenames 0 : { *(.debug_typenames) }
+    .debug_varnames  0 : { *(.debug_varnames) }
+    /* DWARF 3 */
+    .debug_pubtypes  0 : { *(.debug_pubtypes) }
+    .debug_ranges    0 : { *(.debug_ranges) }
+    
+    .note.gnu.arm.ident 0 : { KEEP( *( .note.gnu.arm.ident ) ) }
+    .ARM.attributes     0 : {
+        KEEP( *( .ARM.attributes ) )
+        KEEP( *( .gnu.attributes ) )
+    }
+    /DISCARD/             : { *( .note.GNU-stack ) }
+    
+    /* C data can be defined as being in special purpose RAMs using
+     * __attribute__ ((section ("ethram"))) for example. */
+    .usbram (NOLOAD):
+    {
+        *( .usbram )
+        *( .usbram.* )
+    } > UsbRam
+    .ethram (NOLOAD):
+    {
+        *( .ethram )
+        *( .ethram.* )
+    } > EthRam
+    .canram (NOLOAD):
+    {
+        *( .canram )
+        *( .canram.* )
+    } > CanRam
+    .batram (NOLOAD):
+    {
+        *( .batram )
+        *( .batram.* )
+    } > BatRam
+}