| 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 "sys_exit" |
| li 0, 1 |
| sc |
| .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 |
