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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