nes-proj/cpu/arm/at91sam7s/AT91SAM7S-ROM.ld

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2009-07-11 14:22:45 +00:00
/***********************************************************************/
/* */
/* Linker Script File for the AT91SAM7S64 - Code in ROM */
/* */
/***********************************************************************/
/* modified for arm-elf-gcc by Martin Thomas */
/* extensions: - Section for Functions in RAM, */
/* Exeception-Vector remapping */
/* modifications Copyright Martin Thomas 2005 */
/* */
/* */
/* Based on file that has been a part of the uVision/ARM development */
/* tools, Copyright KEIL ELEKTRONIK GmbH 2002-2004 */
/***********************************************************************/
/* Section Definitions */
SECTIONS
{
/* first section is .text which is used for code */
.vectrom :
{
KEEP(*(.vectrom))
} >CODE =0
.text :
{
/* *startup.o (.text) */ /* Startup code */
KEEP(*(.init))
*(.text .text.*)
*(.gnu.linkonce.t.*)
*(.glue_7t .glue_7)
KEEP(*(.fini))
*(.gcc_except_table)
} >CODE =0
. = ALIGN(4);
/* .ctors .dtors are used for c++ constructors/destructors */
/* added by mthomas, based on an Anglia-Designs example for STR7 */
.ctors :
{
PROVIDE(__ctors_start__ = .);
KEEP(*(SORT(.ctors.*)))
KEEP(*(.ctors))
PROVIDE(__ctors_end__ = .);
} >CODE
.dtors :
{
PROVIDE(__dtors_start__ = .);
KEEP(*(SORT(.dtors.*)))
KEEP(*(.dtors))
PROVIDE(__dtors_end__ = .);
} >CODE
/* .rodata section which is used for read-only data (constants) */
.rodata :
{
*(.rodata .rodata.*)
*(.gnu.linkonce.r.*)
} >CODE
. = ALIGN(4);
_etext = . ;
PROVIDE (etext = .);
.data : AT (_etext)
{
_data = . ;
KEEP(*(.vectram)) /* added by mthomas */
*(.data)
SORT(CONSTRUCTORS)
. = ALIGN(4);
*(.fastrun) /* "RAM-Functions" */ /* added by mthomas */
} >DATA
. = ALIGN(4);
_edata = . ;
PROVIDE (edata = .);
/* .bss section which is used for uninitialized data */
.bss :
{
__bss_start = . ;
__bss_start__ = . ;
*(.bss)
*(COMMON)
} >DATA
. = ALIGN(4);
__bss_end = . ;
__bss_end__ = . ;
_end = .;
PROVIDE (end = .);
UND_Stack_Size = 0x00000004;
SVC_Stack_Size = 0x00000200;
ABT_Stack_Size = 0x00000004;
FIQ_Stack_Size = 0x00000100;
IRQ_Stack_Size = 0x00000300;
USR_Stack_Size = 0x00000400;
Stack_Size = UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + FIQ_Stack_Size + IRQ_Stack_Size + USR_Stack_Size;
.stack ORIGIN(DATA) + LENGTH(DATA) - Stack_Size :
{
__stack_start__ = . ;
USR_Stack_Start = . ;
. += USR_Stack_Size;
USR_Stack_End = . ;
IRQ_Stack_Start = . ;
. += IRQ_Stack_Size;
IRQ_Stack_End = . ;
FIQ_Stack_Start = . ;
. += FIQ_Stack_Size;
FIQ_Stack_End = . ;
ABT_Stack_Start = . ;
. += ABT_Stack_Size;
ABT_Stack_End = . ;
SVC_Stack_Start = . ;
. += SVC_Stack_Size;
SVC_Stack_End = . ;
UND_Stack_Start = . ;
. += UND_Stack_Size;
UND_Stack_End = . ;
. = ALIGN(4);
__stack_end__ = . ;
Top_Stack = .;
} >DATA
__heap_start__ = __bss_end__ ;
__heap_end__ = __stack_start__ ;
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* 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) }
}