[GDB] Test suite for the GDB stub

src/tests/gdbstub_test.S

@@ -0,0 +1,29 @@
+	.arch i386
+	.section ".text"
+	.code32
+gdbstub_test:
+	/* 1. Read registers test */
+	movl    $0xea010203, %eax
+	movl    $0xeb040506, %ebx
+	movl    $0xec070809, %ecx
+	movl    $0xed0a0b0c, %edx
+	movl    $0x510d0e0f, %esi
+	movl    $0xd1102030, %edi
+	int	$3
+
+	/* 2. Write registers test */
+	int	$3
+
+	/* 3. Read memory test */
+	subl	$8, %esp
+	movl	$0x11223344, 4(%esp)
+	movw	$0x5566, 2(%esp)
+	movb	$0x77, (%esp)
+	int	$3
+
+	/* 4. Write memory test */
+	int	$3
+	addl	$8, %esp
+
+1:
+	jmp	1b