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diff --git a/gdb/testsuite/gdb.asm/asmsrc1.s b/gdb/testsuite/gdb.asm/asmsrc1.s
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+; "main" routine for assembly source debugging test
+; Eventually this code needs to be made more machine independent
+; (with the actual code coming from macros in some header file)
+; so that the same driver will work for several architectures.
+
+	.macro exit0
+	ldi r4, 1
+	ldi r0, 0
+	trap 15
+	.endm
+
+	.macro several_nops
+	nop
+	nop
+	nop
+	nop
+	.endm
+
+; FIXME: For now we include crt0.
+; For a portable testcase we should use the standard one.
+
+	.globl _start
+_start:
+; set up the stack
+	ldi sp, 0x8000
+	mvtc sp, psw   ; psw <- SW
+	ldi sp, 0x7ffe ; 0x7ffe is a magic number known to gdb:	"top of stack"
+; Call main, then exit.
+	bl main
+	bl exit
+
+; Program begins here.
+
+	.global main
+main:
+	st r13,@-sp
+
+; Call a macro that consists of several lines of assembler code.
+
+	several_nops
+
+; Call a subroutine in another file.
+
+	bl foo2
+
+; All done.
+
+	exit0
+
+; A routine for foo2 to call.
+
+	.global foo3
+foo3:
+	st r13,@-sp
+
+	ld r13,@sp+
+	jmp r13
+
+	.global exit
+exit:
+	exit0