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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Delete-a-file/ARM-Assembly/delete-a-file.arm Normal file
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/* ARM assembly Raspberry PI */
/* program deleteFic.s */
/* REMARK 1 : this program use routines in a include file
see task Include a file language arm assembly
for the routine affichageMess conversion10
see at end of this program the instruction include */
/***************************************************************/
/* File Constantes see task Include a file for arm assembly */
/***************************************************************/
.include "../constantes.inc"
.equ RMDIR, 0x28
.equ UNLINK, 0xA
/******************************************/
/* Initialized data */
/******************************************/
.data
szMessDeleteDirOk: .asciz "Delete directory Ok.\n"
szMessErrDeleteDir: .asciz "Unable delete dir. \n"
szMessDeleteFileOk: .asciz "Delete file Ok.\n"
szMessErrDeleteFile: .asciz "Unable delete file. \n"
szNameDir: .asciz "Docs"
szNameFile: .asciz "input.txt"
/******************************************/
/* UnInitialized data */
/******************************************/
.bss
/******************************************/
/* code section */
/******************************************/
.text
.global main
main: @ entry of program
@ delete file
ldr r0,iAdrszNameFile @ file name
mov r7,#UNLINK @ code call system delete file
svc #0 @ call systeme
cmp r0,#0 @ error ?
blt 99f
ldr r0,iAdrszMessDeleteFileOk @ delete file OK
bl affichageMess
@ delete directory
ldr r0,iAdrszNameDir @ directory name
mov r7, #RMDIR @ code call system delete directory
swi #0 @ call systeme
cmp r0,#0 @ error ?
blt 98f
ldr r0,iAdrszMessDeleteDirOk @ display message ok directory
bl affichageMess
@ end Ok
b 100f
98: @ display error message delete directory
ldr r0,iAdrszMessErrDeleteDir
bl affichageMess
b 100f
99: @ display error message delete file
ldr r0,iAdrszMessErrDeleteFile
bl affichageMess
b 100f
100: @ standard end of the program
mov r0, #0 @ return code
mov r7, #EXIT @ request to exit program
swi 0 @ perform the system call
iAdrszMessDeleteDirOk: .int szMessDeleteDirOk
iAdrszMessErrDeleteDir: .int szMessErrDeleteDir
iAdrszMessDeleteFileOk: .int szMessDeleteFileOk
iAdrszNameFile: .int szNameFile
iAdrszMessErrDeleteFile: .int szMessErrDeleteFile
iAdrszNameDir: .int szNameDir
/***************************************************/
/* ROUTINES INCLUDE */
/***************************************************/
.include "../affichage.inc"