Epson S5U1C17001C, Manual

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S5U1C17001C ManUal
EPSOn
9-3
(C COMPilEr PaCkagE fOr S1C17 faMily) (Ver. 1.5.0)
9 linkEr
9.4 linkage
9.4.1 Default linker Script
Default linker script when the
-T
option is not specified
When the
-T
option is not specified, the ld linker uses the default script shown below for linkage.
OUTPUT_FORMAT("elf32-c17", "elf32-c17", "elf32-c17")
OUTPUT_ARCH(c17)
SEARCH_DIR(.);
SECTIONS
{
/* section information */
.bss 0x0 :
{
__START_bss = . ;
*(.bss)
__END_bss = . ;
}
.data __END_bss : AT( __END_rodata )
{
__START_data = . ;
*(.data)
__END_data = . ;
}
.text 0x8000 :
{
__START_vector = . ;
*(.vector)
__END_vector = . ;
. = 0x80 ;
__START_text = . ;
*(.text)
__END_text = . ;
}
.rodata __END_text :
{
__START_rodata = . ;
*(.rodata)
__END_rodata = . ;
}
/* load address symbols */
__START_data_lma = LOADADDR( .data );
}
In this script, data will be located from address 0 in order of
.bss
and
.data
sections, the vector table,
program codes and constant data will be located from address 0x8000.
Figure 9.4.1.1 shows the memory map after linkage.
.text
Unused
.data
.bss
.rodata VMA=LMA
.data (initial values) LMA
.vector VMA=LMA
VMA=LMA
VMA
VMA=LMA
0x0
0x8080
0x8000
Figure 9.4.1.1 Memory map configured by default script
9
Linker