binutils-gdb/sim/testsuite/bpf/testutils.inc

    ;; Print "pass\n" and 'exit 0'
    .macro      pass
    .data
mpass:
    .string "pass\n"
    .text
_pass:
    mov         %r1, mpass      ; point to "pass\n" string
    mov         %r2, 5          ; strlen mpass
    call        7               ; printk
    mov         %r0, 0          ;
    exit                        ; exit 0
    .endm

;;; MACRO fail
;;; Exit with status 1
    .macro fail
    mov %r0, 1
    exit
    .endm

;;; MACRO fail_ne32
;;; Exit with status 1 if \reg32 != \val
    .macro      fail_ne32 reg val
    jeq32       \reg, \val, 2
    mov         %r0, 1
    exit
    .endm

;;; MACRO fail_ne
;;; Exit with status1 if \reg ne \val
    .macro      fail_ne reg val
    lddw        %r0, \val
    jeq         \reg, %r0, 2
    mov         %r0, 1
    exit
    .endm