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
|
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
|
