// Global Data Type

signed char var1=1;

unsigned char var2=2;

signed int var3=3;

unsigned int var4=4;

const int num=-10;

char wave[10]="goodbye";

void main(){

//Local Data Type

int var5=5;

//Various Loop Types

for(var5;var5>0;var5--){

var1*= var1;

var1/= var1;

var1+= var1;

var1-= var1;

}

do

{

var4-=1;

} while(var4>0);

while(var3==3)

{

var2=var2;

break;

}

}

.arch armv6 .eabi_attribute 28, 1 .eabi_attribute 20, 1 .eabi_attribute 21, 1 .eabi_attribute 23, 3 .eabi_attribute 24, 1 .eabi_attribute 25, 1 .eabi_attribute 26, 2 .eabi_attribute 30, 6 .eabi_attribute 34, 1 .eabi_attribute 18, 4 .file "P1-1.c" .global var1 .data .type var1, %object .size var1, 1 var1: .byte 1 .global var2 .type var2, %object .size var2, 1 var2: .byte 2 .global var3 .align 2 .type var3, %object .size var3, 4 var3: .word 3 .global var4 .align 2 .type var4, %object .size var4, 4 var4: .word 4 .global num .section .rodata .align 2 .type num, %object .size num, 4 num: .word -10 .global wave .data .align 2 .type wave, %object .size wave, 10 wave: .ascii "goodbye\000" .space 2 .global __aeabi_idiv .text .align 2 .global main .syntax unified .arm .fpu vfp .type main, %function main: @ args = 0, pretend = 0, frame = 8 @ frame_needed = 1, uses_anonymous_args = 0 push {fp, lr} // push the return address(lr);caller's frame pointer on the stack which is stored in fp register.

add fp, sp, #4 // sub sp, sp, #8 mov r3, #5 str r3, [fp, #-8] b .L2 .L3: ldr r3, .L9 ldrsb r3, [r3] uxtb r2, r3 ldr r3, .L9 ldrsb r3, [r3] uxtb r3, r3 smulbb r3, r2, r3 uxtb r3, r3 sxtb r2, r3 ldr r3, .L9 strb r2, [r3] ldr r3, .L9 ldrsb r3, [r3] mov r2, r3 ldr r3, .L9 ldrsb r3, [r3] mov r1, r3 mov r0, r2 bl __aeabi_idiv mov r3, r0 sxtb r2, r3 ldr r3, .L9 strb r2, [r3] ldr r3, .L9 ldrsb r3, [r3] uxtb r2, r3 ldr r3, .L9 ldrsb r3, [r3] uxtb r3, r3 add r3, r2, r3 uxtb r3, r3 sxtb r2, r3 ldr r3, .L9 strb r2, [r3] ldr r3, .L9 mov r2, #0 strb r2, [r3] ldr r3, [fp, #-8] sub r3, r3, #1 str r3, [fp, #-8] .L2: ldr r3, [fp, #-8] cmp r3, #0 bgt .L3 .L4: ldr r3, .L9+4 ldr r3, [r3] sub r3, r3, #1 ldr r2, .L9+4 str r3, [r2] ldr r3, .L9+4 ldr r3, [r3] cmp r3, #0 bne .L4 b .L8 .L7: ldr r3, .L9+8 ldrb r2, [r3] @ zero_extendqisi2 ldr r3, .L9+8 strb r2, [r3] b .L6 .L8: ldr r3, .L9+12 ldr r3, [r3] cmp r3, #3 beq .L7 .L6: nop sub sp, fp, #4 @ sp needed pop {fp, pc} .L10: .align 2 .L9: .word var1 .word var4 .word var2 .word var3 .size main, .-main .ident "GCC: (Raspbian 6.3.0-18+rpi1+deb9u1) 6.3.0 20170516" .section .note.GNU-stack,"",%progbits Comment all the Assembly lines of code describing the operation and addressing modes of each instruction.