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Homework and Emergencies Homework & Coursework Questions program to find and print a Fibonacci sequence of numbers. --Errors Post 302715063 by kenjiro310 on Saturday 13th of October 2012 04:39:33 PM
Old 10-13-2012
program to find and print a Fibonacci sequence of numbers. --Errors

Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!

1. The problem statement, all variables and given/known data:
I am trying to convert a C language program over to Sparc Assembley and I am getting Undefined first referenced
symbol in file
Code:
i3 /var/tmp//ccg4vymi.o
i4 /var/tmp//ccg4vymi.o
l0 /var/tmp//ccg4vymi.o
l1 /var/tmp//ccg4vymi.o
l2 /var/tmp//ccg4vymi.o
l3 /var/tmp//ccg4vymi.o
l4 /var/tmp//ccg4vymi.o
l5 /var/tmp//ccg4vymi.o
uinput_r /var/tmp//ccg4vymi.o
outfib /var/tmp//ccg4vymi.o
ld: fatal: Symbol referencing errors. No output written to k9
collect2: ld returned 1 exit status

I think it has something to do with how i am trying to Define my variables

Code:
define(fib1, i4) ![%fp + fib1]
define(fib2, i3) ![%fp + fib2]
define(fib3, l0) ![%fp + fib3]
define(j_r, l1) ![%fp + j_r]
define(temp_r, l2) ![%fp + temp_r]
define(userinput_r, l3) ![%fp + uinput_r]
define(final_r, l4) ![%fp + final_r]
define(max_r, l5) ![%fp + max_r]

.section ".data"
/*Variables data section*/
intro: .asciz "\nThis program prints the Fibonacci sequence." !Program purpose statemt
userp: .asciz "\nEnter a limit on the largest number to be displayed: " !Prompt user to enter a number
number: .asciz "%d" !number to be entered
formtp: .word 0 !where the user input number will be read in
pfib1: .asciz "\n%d "
oufib: .asciz "%d "
uoutp: .asciz "\nThe last number %d is disvisible by %d.\n" !Power of 2
conte: .asciz "\nDo you want to print a different sequence (y/n):" !Continue or stop statement
anser: .asciz "%c"
formta: .word 0 !where the user input number will be read in
stopgo: .word 0 !where the user input number will be read in
off: .asciz "pause"

.align 4
.global main
.section ".text"

main: save %sp, -152, %sp

start:
!Post program statement to the user
mov 1, %o0
st %o0, [%fp + fib1]
mov 1, %o1
st %o1, [%fp + fib2]
set intro, %o0
call printf
nop

!Prompts for userinput
!Enter a limit on the largest number to be displayed
set userp, %o0
call printf
nop

set number, %o0 !sets the type of data to be entered: integer
set formtp, %o1 !location where input will be stored
call scanf !gets the input into the variable userinput
nop

!Store fib sequence
set pfib1, %o0 !sets the type of data to be entered: integer
ld [%fp + fib1], %o1
call printf !print fibonacci sequence
nop

while: !Do loop that calculates the fib sequence and prints it
set outfib, %o0
ld [%fp + fib2], %o1 !printsf("%d ", fib2)
call printf
nop
ld [%fp + fib1], %o2
ld [%fp + fib2], %o3
add %o2, %o3, %o5
st %o5, [%fp + fib3] !fib3 = fib1 + fib2
ld [%fp + fib2], %o2
st %o2, [%fp + fib1] !fib1 = fib2
ld [%fp + fib3], %o2
st %o2, [%fp + fib2] !fib2 = fib3
ld [%fp + fib3], %o2
ld [%fp + userinput_r], %o3
cmp %o2, %o3 !while(fib3 <= userinput)
bg swap
nop
b while

swap:
st %g0, [%fp + j_r] !int j
ld [%fp + fib1], %o0
st %o0, [%fp + temp_r] !int temp = fib1
mov 2, %o1
st %o1, [%fp + final_r] !int final = 2
mov 1, %o1
st %o1, [%fp + max_r] !int max = 1

forloop:
ld [%fp + temp_r], %o1
mov %o1, %o0
ld [%fp + max_r], %o2
call start
nop

mov %o0, %o1
cmp %o1, 0
bne printlast
nop

ld [%fp + max_r], %o0
ld [%fp + temp_r], %o1
cmp %o0, %o1
bg printlast
nop

ld [%fp + max_r], %o0
st %o0, [%fp + j_r]
ld [%fp + max_r], %o0
add %o0, %o0, %o0
st %o0, [%fp + max_r]
b forloop
nop

printlast:
set uoutp, %o0 !The last number %d is disvisible by %d.\n"
ld [%fp + temp_r], %o1
ld [%fp + j_r], %o2
call printf
nop

set conte, %o0 !Continue or stop statement
call printf
nop

add %fp, -25, %o5 !User response to stop or continue
set anser, %o3
mov %o5, %o1
call scanf
nop

ldub [%fp + uinput_r], %o3
sll %o3, 24, %o3
sra %o3, 24, %o3
cmp %o3, 110
be done
nop
b start
nop

done: !LL3
set off, %o0
call system, 0
nop
mov 0, %o0
mov %o0, %i0
ret
restore

2. Relevant commands, code, scripts, algorithms:

Code:
 $ m4 k9.m > k9.s
$ gcc k9.s -o k9

3. The attempts at a solution (include all code and scripts):
maybe i should define my varibles like so

Code:
define(fib1, i4) 
define(fib2, i3) 
define(fib3, l0) 
define(j_r, l1) 
define(temp_r, l2) 
define(userinput_r, l3) 
define(final_r, l4) 
define(max_r, l5)

and not in a frame pointer.

4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
Georgia State University Atlanta Ga course name CSC 3210 instructor name Chimua Umoja

Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).

Last edited by bakunin; 10-15-2012 at 04:19 AM..
 

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