comment "subroutine prologue" .macro gdbasm_enter addiu %29, %29, 0xfffc sw %31,0(%29) .endm comment "subroutine epilogue" .macro gdbasm_leave lw %31,0(%29) addiu %29, %29, 4 jr %31 nop .endm .macro gdbasm_call subr jal \subr nop .endm .macro gdbasm_several_nops nop nop nop nop .endm comment "exit (0)" .macro gdbasm_exit0 ori %4, %0, 1 # SYS_exit ori %5, %0, 0 # normal exit code ori %6, %0, 0 ori %7, %0, 0 syscall .endm comment "crt0 startup" .macro gdbasm_startup andi %0, %0, 0 addiu %29, %0, 0xffc .endm