projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c | 1 | comment "subroutine prologue" |
| 45b074e1 | 2 | .macro gdbasm_enter |
| ca9efc90 | 3 | st r11,@-sp |
| c906108c | 4 | st r13,@-sp |
| ca9efc90 | 5 | mv r11,sp |
| c906108c SS |
6 | .endm |
| 7 | ||
| 8 | comment "subroutine epilogue" | |
| 45b074e1 | 9 | .macro gdbasm_leave |
| ca9efc90 MS |
10 | add3 sp,r11,0 |
| 11 | ld r13,@sp+ | |
| 12 | ld r11,@sp+ | |
| 13 | jmp r13 | |
| c906108c SS |
14 | .endm |
| 15 | ||
| 45b074e1 | 16 | .macro gdbasm_call subr |
| c906108c SS |
17 | bl \subr |
| 18 | .endm | |
| 19 | ||
| 45b074e1 | 20 | .macro gdbasm_several_nops |
| c906108c SS |
21 | nop |
| 22 | nop | |
| 23 | nop | |
| 24 | nop | |
| 25 | .endm | |
| 26 | ||
| 27 | comment "exit (0)" | |
| 45b074e1 | 28 | .macro gdbasm_exit0 |
| c906108c SS |
29 | ldi r4, 1 |
| 30 | ldi r0, 0 | |
| 31 | trap 15 | |
| 32 | .endm | |
| 78492fde AC |
33 | |
| 34 | comment "crt0 startup" | |
| 45b074e1 | 35 | .macro gdbasm_startup |
| ca9efc90 MS |
36 | ; R14 always contains memory base address (0) |
| 37 | ||
| 38 | ldi r14,0 | |
| 39 | ||
| 40 | ; Set the USER and SYSTEM stack pointers. | |
| 41 | ||
| 42 | ldi r0, 0 ; zero arguments | |
| 43 | ldi r1, 0 | |
| 44 | mvtc r0, psw ; select SPI and set it | |
| 45 | ldi sp, _stack | |
| 46 | ldi r10, 0x8000 ; select SPU/FP and set it | |
| 47 | mvtc r10, psw || ldi r11, 0; clear stack frame | |
| 48 | ldi sp, _stack - 0x200 | |
| 49 | ldi r13, 0 | |
| 50 | ||
| 51 | st r11, @-sp | |
| 52 | st r13, @-sp | |
| 53 | ; mv r11, sp | |
| 54 | ||
| 78492fde | 55 | .endm |