comment "subroutine prologue" .macro gdbasm_enter stwu 1, -16(1) stw 31, 8(1) mr 31, 1 mflr 0 stw 0, 20(1) .endm comment "subroutine epilogue" .macro gdbasm_leave lwz 0, 20(1) mtlr 0 lwz 31, 8(1) lwz 1, 0(1) blr .endm .macro gdbasm_call subr bl \subr .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..." li 0, 0 lwz 0, 0(0) .endm comment "crt0 startup" .macro gdbasm_startup .p2align 2 .endm comment "Declare a data variable" .purgem gdbasm_datavar .macro gdbasm_datavar name value .data \name: .long \value .endm