comment "subroutine prologue" .macro gdbasm_enter add -8,sp st.w r31,4[sp] st.w r29,0[sp] mov sp,r29 .endm comment "subroutine epilogue" .macro gdbasm_leave mov r29,sp ld.w 0[sp],r29 ld.w 4[sp],r31 add 8,sp jmp [r31] .endm .macro gdbasm_call subr jarl \subr,r31 .endm .macro gdbasm_several_nops nop nop nop nop .endm comment "exit (0)" .macro gdbasm_exit0 halt .endm comment "crt0 startup" .macro gdbasm_startup movea 255,r0,r20 mov r0, r21 ori 65535, r0, r21 movhi 32, r0, sp .endm