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comment "subroutine prologue"
.macro gdbasm_enter
addi sp,#-16,sp
sti fp, @(sp,0)
mov sp, fp
movsg lr, gr5
sti gr5, @(fp,8)
.endm
comment "subroutine epilogue"
.macro gdbasm_leave
ldi @(fp,8), gr5
ld @(fp,gr0), fp
addi sp,#16,sp
jmpl @(gr5,gr0)
.endm
.macro gdbasm_call subr
call \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..."
ldi @(gr0,0), gr5
.endm
comment "crt0 startup"
.macro gdbasm_startup
call .Lcall
.Lcall: movsg lr, gr4
sethi #gprelhi(.Lcall), gr5
setlo #gprello(.Lcall), gr5
sub gr4, gr5, gr16
sethi #gprelhi(_stack), sp
setlo #gprello(_stack), sp
setlos #0, fp
add sp, gr16, sp
.endm
comment "Declare a data variable"
.purgem gdbasm_datavar
.macro gdbasm_datavar name value
.data
\name:
.long \value
.endm