projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| be46087e CV |
1 | comment "subroutine prologue" |
| 2 | .macro gdbasm_enter | |
| 3 | addiu %29, %29, 0xfffc | |
| 4 | sw %31,0(%29) | |
| 5 | .endm | |
| 6 | ||
| 7 | comment "subroutine epilogue" | |
| 8 | .macro gdbasm_leave | |
| 9 | lw %31,0(%29) | |
| 10 | addiu %29, %29, 4 | |
| 11 | jr %31 | |
| 12 | nop | |
| 13 | .endm | |
| 14 | ||
| 15 | .macro gdbasm_call subr | |
| 16 | jal \subr | |
| 17 | nop | |
| 18 | .endm | |
| 19 | ||
| 20 | .macro gdbasm_several_nops | |
| 21 | nop | |
| 22 | nop | |
| 23 | nop | |
| 24 | nop | |
| 25 | .endm | |
| 26 | ||
| 27 | comment "exit (0)" | |
| 28 | .macro gdbasm_exit0 | |
| 29 | ori %4, %0, 1 # SYS_exit | |
| 30 | ori %5, %0, 0 # normal exit code | |
| 31 | ori %6, %0, 0 | |
| 32 | ori %7, %0, 0 | |
| 33 | syscall | |
| 34 | .endm | |
| 35 | ||
| 36 | comment "crt0 startup" | |
| 37 | .macro gdbasm_startup | |
| 38 | andi %0, %0, 0 | |
| 39 | addiu %29, %0, 0xffc | |
| 40 | .endm | |
| 41 |