Generate assembly language output for assignment 3

4 files changed, 62 insertions, 0 deletions

diff --git a/assignments/3-solution.md b/assignments/3-solution.md
index 1e7a72a..26eb055 100644
--- a/assignments/3-solution.md
+++ b/assignments/3-solution.md
@@ -6,6 +6,11 @@ Choose ONE exercise each from Chapters 6, 7, and 8
 
 Chapter 6:
 
+13. Write a complete assembly language program (including all necessary
+pseudo-ops) that reads in a series of integers, one at a time, and outputs the
+largest and smallest values. The input will consist of a list of integer values
+
+
 Chapter 7:
 
 Chapter 8:
diff --git a/assignments/3/Makefile b/assignments/3/Makefile
new file mode 100644
index 0000000..aad6e24
--- /dev/null
+++ b/assignments/3/Makefile
@@ -0,0 +1,4 @@
+default: main.s
+
+main.s: main.c
+	gcc -S -fverbose-asm -O2 main.c
diff --git a/assignments/3/main.c b/assignments/3/main.c
new file mode 100644
index 0000000..12d80e7
--- /dev/null
+++ b/assignments/3/main.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+  for (int i = 0; i < 10; i++) {
+    printf("%d\n", i);
+  }
+}
diff --git a/assignments/3/main.s b/assignments/3/main.s
new file mode 100644
index 0000000..ebf2625
--- /dev/null
+++ b/assignments/3/main.s
@@ -0,0 +1,45 @@
+	.file	"main.c"
+# GNU C17 (GCC) version 14.2.1 20240912 (Red Hat 14.2.1-3) (x86_64-redhat-linux)
+#	compiled by GNU C version 14.2.1 20240912 (Red Hat 14.2.1-3), GMP version 6.2.1, MPFR version 4.2.1, MPC version 1.3.1, isl version none
+# GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
+# options passed: -mtune=generic -march=x86-64 -O2
+	.text
+	.section	.rodata.str1.1,"aMS",@progbits,1
+.LC0:
+	.string	"%d\n"
+	.section	.text.startup,"ax",@progbits
+	.p2align 4
+	.globl	main
+	.type	main, @function
+main:
+.LFB11:
+	.cfi_startproc
+	pushq	%rbx	#
+	.cfi_def_cfa_offset 16
+	.cfi_offset 3, -16
+# main.c:5:   for (int i = 0; i < 10; i++) {
+	xorl	%ebx, %ebx	# i
+	.p2align 4
+	.p2align 3
+.L2:
+# main.c:6:     printf("%d\n", i);
+	movl	%ebx, %esi	# i,
+	movl	$.LC0, %edi	#,
+	xorl	%eax, %eax	#
+# main.c:5:   for (int i = 0; i < 10; i++) {
+	addl	$1, %ebx	#, i
+# main.c:6:     printf("%d\n", i);
+	call	printf	#
+# main.c:5:   for (int i = 0; i < 10; i++) {
+	cmpl	$10, %ebx	#, i
+	jne	.L2	#,
+# main.c:8: }
+	xorl	%eax, %eax	#
+	popq	%rbx	#
+	.cfi_def_cfa_offset 8
+	ret	
+	.cfi_endproc
+.LFE11:
+	.size	main, .-main
+	.ident	"GCC: (GNU) 14.2.1 20240912 (Red Hat 14.2.1-3)"
+	.section	.note.GNU-stack,"",@progbits