diff options
| author | Per Fogelstrom <pefo@cvs.openbsd.org> | 1998-03-16 08:44:33 +0000 |
|---|---|---|
| committer | Per Fogelstrom <pefo@cvs.openbsd.org> | 1998-03-16 08:44:33 +0000 |
| commit | cd264da84d16c2ce76eb7476eb671189597eb5cc (patch) | |
| tree | 48a7ea367052e4ac7311c4e8b407da2f46b49c44 /sys/ddb/db_run.c | |
| parent | 9a6423f710689314c537031cae46899205e13cb8 (diff) | |
Add the option SOFTWARE_SSTEP_EMUL. This is used with mips processors
together with SOFTWARE_SSTEP to do single stepping. We don't need the
dual BP at branch since we always evaluate the correct next location.
Diffstat (limited to 'sys/ddb/db_run.c')
| -rw-r--r-- | sys/ddb/db_run.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/ddb/db_run.c b/sys/ddb/db_run.c index f912b404187..872daa9c505 100644 --- a/sys/ddb/db_run.c +++ b/sys/ddb/db_run.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_run.c,v 1.10 1997/08/07 09:18:06 niklas Exp $ */ +/* $OpenBSD: db_run.c,v 1.11 1998/03/16 08:44:32 pefo Exp $ */ /* $NetBSD: db_run.c,v 1.8 1996/02/05 01:57:12 christos Exp $ */ /* @@ -268,7 +268,9 @@ void db_set_single_step(regs) register db_regs_t *regs; { - db_addr_t pc = PC_REGS(regs), brpc; + db_addr_t pc = PC_REGS(regs); +#ifndef SOFTWARE_SSTEP_EMUL + db_addr_t brpc; u_int inst; /* @@ -286,6 +288,7 @@ db_set_single_step(regs) pc = next_instr_address(pc, 1); #endif } +#endif /*SOFTWARE_SSTEP_EMUL*/ pc = next_instr_address(pc, 0); db_not_taken_bkpt = db_set_temp_breakpoint(pc); } |