Epson S5U1C17001C, Manual

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3-68
EPSOn
S5U1C17001C ManUal
(C COMPilEr PaCkagE fOr S1C17 faMily) (Ver. 1.5.0)
3 SOfTWarE DEVElOPMEnT PrOCEDUrES
Discussed below is the relationship between sections and actual memory locations.
Example source files
(file1.s)
.section .rodata ; .rodata section
.global BOOT
.align 2
.long BOOT
; 0x00 reset
.long UNALIGN ; 0x01 unalign
.long EXCEPTION ; 0x02 nmi
:
:
.text ; .text section
BOOT:
xld.a %sp, 0x3f00 ; set SP
:
:
(file2.s)
:
.data ;.data section
:
:
.rodata ;.rodata section
:
:
(file3.c)
:
#include <string.h>
int i_bss; /* .bss section */
int i_data = 1; /* .data section */
const int i_rodata = 0x12345678; /* .rodata section */
const char sz_rodata[] = "ABCDEFGH"; /* .rodata section */
:
int main() /* .text section */
{
char sz_buf[10];
int i;
for( i = 0; i < 5; ++i ){
sz_buf[i] = sz_rodata[i];
}
:
:
return 0;
}