diff options
Diffstat (limited to 'gdb/i386-nat.c')
| -rw-r--r-- | gdb/i386-nat.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gdb/i386-nat.c b/gdb/i386-nat.c index e27a1a0..568b79b 100644 --- a/gdb/i386-nat.c +++ b/gdb/i386-nat.c @@ -684,9 +684,15 @@ i386_insert_hw_breakpoint (struct gdbarch *gdbarch, { unsigned len_rw = i386_length_and_rw_bits (1, hw_execute); CORE_ADDR addr = bp_tgt->placed_address; - int retval = i386_insert_aligned_watchpoint (&dr_mirror, + /* Work on a local copy of the debug registers, and on success, + commit the change back to the inferior. */ + struct i386_debug_reg_state local_state = dr_mirror; + int retval = i386_insert_aligned_watchpoint (&local_state, addr, len_rw) ? EBUSY : 0; + if (retval == 0) + i386_update_inferior_debug_regs (&local_state); + if (maint_show_dr) i386_show_dr (&dr_mirror, "insert_hwbp", addr, 1, hw_execute); @@ -702,9 +708,15 @@ i386_remove_hw_breakpoint (struct gdbarch *gdbarch, { unsigned len_rw = i386_length_and_rw_bits (1, hw_execute); CORE_ADDR addr = bp_tgt->placed_address; - int retval = i386_remove_aligned_watchpoint (&dr_mirror, + /* Work on a local copy of the debug registers, and on success, + commit the change back to the inferior. */ + struct i386_debug_reg_state local_state = dr_mirror; + int retval = i386_remove_aligned_watchpoint (&local_state, addr, len_rw); + if (retval == 0) + i386_update_inferior_debug_regs (&local_state); + if (maint_show_dr) i386_show_dr (&dr_mirror, "remove_hwbp", addr, 1, hw_execute); |