From 51169f5f9ab178a4ddfe9dac461405a71c9c0f94 Mon Sep 17 00:00:00 2001
From: Mike Vink <mike@pionative.com>
Date: Wed, 22 May 2024 08:49:29 +0200
Subject: organise

---
 3/3_data_formats/main.c          | 16 ++++++++++++++++
 3/3_data_formats/mstore/mstore.c |  6 ++++++
 3/3_data_formats/mstore/mstore.s | 21 +++++++++++++++++++++
 3 files changed, 43 insertions(+)
 create mode 100644 3/3_data_formats/main.c
 create mode 100644 3/3_data_formats/mstore/mstore.c
 create mode 100644 3/3_data_formats/mstore/mstore.s

(limited to '3/3_data_formats')

diff --git a/3/3_data_formats/main.c b/3/3_data_formats/main.c
new file mode 100644
index 0000000..7fac153
--- /dev/null
+++ b/3/3_data_formats/main.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+void multstore(long, long, long *);
+
+long mult2(long a, long b) {
+    long s = a * b;
+    return s;
+}
+
+int main() {
+    long d;
+    multstore(2, 3, &d);
+    printf("2 * 3 --> %ld\n", d);
+    return 0;
+}
+
diff --git a/3/3_data_formats/mstore/mstore.c b/3/3_data_formats/mstore/mstore.c
new file mode 100644
index 0000000..cdcf205
--- /dev/null
+++ b/3/3_data_formats/mstore/mstore.c
@@ -0,0 +1,6 @@
+long mult2(long, long);
+
+void multstore(long x, long y, long *dest) {
+    long t = mult2(x, y);
+    *dest = t;
+}
diff --git a/3/3_data_formats/mstore/mstore.s b/3/3_data_formats/mstore/mstore.s
new file mode 100644
index 0000000..e215a2b
--- /dev/null
+++ b/3/3_data_formats/mstore/mstore.s
@@ -0,0 +1,21 @@
+	.file	"mstore.c"
+	.text
+	.globl	multstore
+	.type	multstore, @function
+multstore:
+.LFB0:
+	.cfi_startproc
+	pushq	%rbx
+	.cfi_def_cfa_offset 16
+	.cfi_offset 3, -16
+	movq	%rdx, %rbx
+	call	mult2@PLT
+	movq	%rax, (%rbx)
+	popq	%rbx
+	.cfi_def_cfa_offset 8
+	ret
+	.cfi_endproc
+.LFE0:
+	.size	multstore, .-multstore
+	.ident	"GCC: (GNU) 12.3.0"
+	.section	.note.GNU-stack,"",@progbits
-- 
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