diff options
Diffstat (limited to 'gdb/gdbserver/i386-low.h')
-rw-r--r-- | gdb/gdbserver/i386-low.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gdb/gdbserver/i386-low.h b/gdb/gdbserver/i386-low.h index 7f7f76b..2566b7b 100644 --- a/gdb/gdbserver/i386-low.h +++ b/gdb/gdbserver/i386-low.h @@ -42,7 +42,10 @@ struct i386_debug_reg_state { /* Mirror the inferior's DRi registers. We keep the status and - control registers separated because they don't hold addresses. */ + control registers separated because they don't hold addresses. + Note that since we can change these mirrors while threads are + running, we never trust them to explain a cause of a trap. + For that, we need to peek directly in the inferior registers. */ CORE_ADDR dr_mirror[DR_NADDR]; unsigned dr_status_mirror, dr_control_mirror; @@ -100,9 +103,14 @@ extern int i386_low_stopped_by_watchpoint (struct i386_debug_reg_state *state); extern void i386_dr_low_set_addr (const struct i386_debug_reg_state *state, int regnum); +/* Return the inferior's debug register REGNUM. */ +extern CORE_ADDR i386_dr_low_get_addr (int regnum); + /* Update the inferior's DR7 debug control register from STATE. */ extern void i386_dr_low_set_control (const struct i386_debug_reg_state *state); -/* Get the value of the inferior's DR6 debug status register - and record it in STATE. */ -extern void i386_dr_low_get_status (struct i386_debug_reg_state *state); +/* Return the value of the inferior's DR7 debug control register. */ +extern unsigned i386_dr_low_get_control (void); + +/* Return the value of the inferior's DR6 debug status register. */ +extern unsigned i386_dr_low_get_status (void); |