46 lines
682 B
PHP
46 lines
682 B
PHP
comment "subroutine prologue"
|
|
.macro gdbasm_enter
|
|
std %rp, -16(%sp)
|
|
copy %r3, %r1
|
|
copy %sp, %r3
|
|
std,ma %r1, 128(%sp)
|
|
.endm
|
|
|
|
comment "subroutine epilogue"
|
|
.macro gdbasm_leave
|
|
ldd -16(%r3), %rp
|
|
bve (%rp)
|
|
ldd,mb -128(%sp), %r3
|
|
.endm
|
|
|
|
.macro gdbasm_call subr
|
|
b,l \subr , %rp
|
|
nop
|
|
.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..."
|
|
ldw 0(%r0), %r1
|
|
.endm
|
|
|
|
comment "crt0 startup"
|
|
.macro gdbasm_startup
|
|
.align 8
|
|
.endm
|
|
|
|
comment "Declare a data variable"
|
|
.purgem gdbasm_datavar
|
|
.macro gdbasm_datavar name value
|
|
.data
|
|
\name:
|
|
.long \value
|
|
.endm
|
|
|