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+ comment "subroutine prologue"
+ .macro gdbasm_enter
+ link %a6,#0
+ .endm
+
+ comment "subroutine epilogue"
+ .macro gdbasm_leave
+ unlk %a6
+ rts
+ .endm
+
+ .macro gdbasm_call subr
+ jbsr \subr
+ .endm
+
+ .macro gdbasm_several_nops
+ nop
+ nop
+ nop
+ nop
+ .endm
+
+ comment "exit (0)"
+ .macro gdbasm_exit0
+ illegal
+ .endm
+
+ comment "crt0 startup"
+ .macro gdbasm_startup
+ lea 0,%a6
+ .endm
+
+ comment "Declare a data variable"
+ .macro gdbasm_datavar name value
+ .data
+\name:
+ .long \value
+ .endm