NASM 0.91

1 files changed, 35 insertions, 0 deletions

diff --git a/test/elftest.c b/test/elftest.c
new file mode 100644
index 0000000..1965fcf
--- /dev/null
+++ b/test/elftest.c
@@ -0,0 +1,35 @@
+/*
+ * test source file for assembling to ELF
+ * build with:
+ *    nasm -f elf elftest.asm
+ *    gcc -o elftest elftest.c elftest.o
+ * (assuming your gcc is ELF)
+ */
+
+#include <stdio.h>
+
+extern int lrotate(long, int);
+extern void greet(void);
+extern char asmstr[];
+extern void *selfptr;
+extern void *textptr;
+extern int integer, commvar;
+
+int main(void) {
+
+    printf("Testing lrotate: should get 0x00400000, 0x00000001\n");
+    printf("lrotate(0x00040000, 4) = 0x%08lx\n", lrotate(0x40000,4));
+    printf("lrotate(0x00040000, 14) = 0x%08lx\n", lrotate(0x40000,14));
+
+    printf("This string should read `hello, world': `%s'\n", asmstr);
+
+    printf("The integers here should be 1234, 1235 and 4321:\n");
+    integer = 1234;
+    commvar = 4321;
+    greet();
+
+    printf("These pointers should be equal: %p and %p\n",
+	   &greet, textptr);
+
+    printf("So should these: %p and %p\n", selfptr, &selfptr);
+}