diff options
Diffstat (limited to 'gdb/stap-probe.c')
| -rw-r--r-- | gdb/stap-probe.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gdb/stap-probe.c b/gdb/stap-probe.c index 5e9a043..50f6d51 100644 --- a/gdb/stap-probe.c +++ b/gdb/stap-probe.c @@ -1430,9 +1430,6 @@ stap_modify_semaphore (CORE_ADDR address, int set, struct gdbarch *gdbarch) struct type *type = builtin_type (gdbarch)->builtin_unsigned_short; ULONGEST value; - if (address == 0) - return; - /* Swallow errors. */ if (target_read_memory (address, bytes, TYPE_LENGTH (type)) != 0) { @@ -1466,6 +1463,8 @@ stap_modify_semaphore (CORE_ADDR address, int set, struct gdbarch *gdbarch) void stap_probe::set_semaphore (struct objfile *objfile, struct gdbarch *gdbarch) { + if (m_sem_addr == 0) + return; stap_modify_semaphore (relocate_address (m_sem_addr, objfile), 1, gdbarch); } @@ -1474,6 +1473,8 @@ stap_probe::set_semaphore (struct objfile *objfile, struct gdbarch *gdbarch) void stap_probe::clear_semaphore (struct objfile *objfile, struct gdbarch *gdbarch) { + if (m_sem_addr == 0) + return; stap_modify_semaphore (relocate_address (m_sem_addr, objfile), 0, gdbarch); } |