Commit | Line | Data |
---|---|---|
73cb587d KI |
1 | comment "subroutine prologue" |
2 | .macro gdbasm_enter | |
3 | push fp -> push lr | |
4 | addi sp,#-4 -> mv fp,sp | |
5 | .endm | |
6 | ||
7 | comment "subroutine epilogue" | |
8 | .macro gdbasm_leave | |
9 | addi sp,#4 -> pop lr | |
10 | pop fp -> jmp lr | |
11 | .endm | |
12 | ||
13 | .macro gdbasm_call subr | |
14 | bl \subr | |
15 | .endm | |
16 | ||
17 | .macro gdbasm_several_nops | |
18 | nop | |
19 | nop | |
20 | nop | |
21 | nop | |
22 | .endm | |
23 | ||
24 | comment "exit (0)" | |
25 | .macro gdbasm_exit0 | |
26 | ldi r0,#1 -> ldi r1,#0 | |
27 | ldi r2,#0 -> ldi r3,#0 | |
28 | trap #0 -> nop | |
29 | .endm | |
30 | ||
31 | comment "crt0 startup" | |
32 | .macro gdbasm_startup | |
33 | ldi fp,#0 | |
34 | .endm |