diff options
Diffstat (limited to 'gdb/testsuite/gdb.asm/asmsrc1.s')
| -rw-r--r-- | gdb/testsuite/gdb.asm/asmsrc1.s | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.asm/asmsrc1.s b/gdb/testsuite/gdb.asm/asmsrc1.s new file mode 100644 index 0000000..1eba17b --- /dev/null +++ b/gdb/testsuite/gdb.asm/asmsrc1.s @@ -0,0 +1,61 @@ +; "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 |