diff options
| author | Michael Snyder <msnyder@vmware.com> | 2002-10-04 22:17:36 +0000 |
|---|---|---|
| committer | Michael Snyder <msnyder@vmware.com> | 2002-10-04 22:17:36 +0000 |
| commit | d6020d455dd9fc75ecbe87da82d99ffe05f1dab4 (patch) | |
| tree | c763807acc098d76e47e26379b4b7c223f848360 /gdb/m32r-stub.c | |
| parent | 8b0eebb0b03407c3a304222ca63d7a94a7802a1b (diff) | |
| download | gdb-d6020d455dd9fc75ecbe87da82d99ffe05f1dab4.zip gdb-d6020d455dd9fc75ecbe87da82d99ffe05f1dab4.tar.gz gdb-d6020d455dd9fc75ecbe87da82d99ffe05f1dab4.tar.bz2 | |
2002-10-04 Michael Snyder <msnyder@redhat.com>
* m32r-stub.c (handle_exception): Make sure exception is "trap"
before treating it as a single-step event.
Diffstat (limited to 'gdb/m32r-stub.c')
| -rw-r--r-- | gdb/m32r-stub.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gdb/m32r-stub.c b/gdb/m32r-stub.c index a691a65..2e69b44 100644 --- a/gdb/m32r-stub.c +++ b/gdb/m32r-stub.c @@ -210,8 +210,16 @@ handle_exception(int exceptionVector) unsigned char buf[16]; int binary; - if (!finish_from_step()) - return; /* "false step": let the target continue */ + /* Do not call finish_from_step() if this is not a trap #1 + * (breakpoint trap). Without this check, the finish_from_step() + * might interpret a system call trap as a single step trap. This + * can happen if: the stub receives 's' and exits, but an interrupt + * was pending; the interrupt is now handled and causes the stub to + * be reentered because some function makes a system call. + */ + if (exceptionVector == 1) /* Trap exception? */ + if (!finish_from_step()) /* Go see if stepping state needs update. */ + return; /* "false step": let the target continue */ gdb_m32r_vector = exceptionVector; |