blob: a0797bf826b8fa57b95e8010d267f939cf5f55df (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
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
|