Subversion Repositories openrisc

        comment "subroutine prologue"

        .macro gdbasm_enter

        stw %rp, -20(%sp)

        copy %r3, %r1

        copy %sp, %r3

        stwm %r1, 64(%sp)

        .endm

        comment "subroutine epilogue"

        .macro gdbasm_leave

        ldw -20(%r3), %rp

        bv %r0(%rp)

        ldwm -64(%sp), %r3

        .endm

        .macro gdbasm_call subr

        bl      \subr , %rp

        nop

        .endm

        .macro gdbasm_several_nops

        nop

        nop

        nop

        nop

        .endm

        comment "exit (0)"

        .macro gdbasm_exit0

        comment "Don't know how to exit, but this will certainly halt..."

        ldw     0(%r0), %r1

        .endm

        comment "crt0 startup"

        .macro gdbasm_startup

        .align 4

        .endm

        comment "Declare a data variable"

        .purgem gdbasm_datavar

        .macro gdbasm_datavar name value

        .data

\name:

        .long   \value

        .endm