diff options
| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2008-12-21 15:01:32 +0000 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2008-12-21 15:01:32 +0000 |
| commit | db2ad4c3f7d0c035ad9e38e312d0cf24a906f701 (patch) | |
| tree | a3804fa9899e7b0d9a4206f9bcd759d135401d5e /gdb/breakpoint.c | |
| parent | 22e8c8e0c1d95681c1e4b869b1c84a872d5d5077 (diff) | |
| download | gdb-db2ad4c3f7d0c035ad9e38e312d0cf24a906f701.zip gdb-db2ad4c3f7d0c035ad9e38e312d0cf24a906f701.tar.gz gdb-db2ad4c3f7d0c035ad9e38e312d0cf24a906f701.tar.bz2 | |
gdb/
Fix hw watchpoints created before the inferior was started.
* breakpoint.c (update_watchpoint): Convert the bp_watchpoint and
bp_hardware_watchpoint types according to the current runtime state.
gdb/testsuite/
* gdb.base/watchpoint-hw.exp, gdb.base/watchpoint-hw.c: New.
Diffstat (limited to 'gdb/breakpoint.c')
| -rw-r--r-- | gdb/breakpoint.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c index 0322d02..fac96b6 100644 --- a/gdb/breakpoint.c +++ b/gdb/breakpoint.c @@ -891,6 +891,27 @@ update_watchpoint (struct breakpoint *b, int reparse) b->val_valid = 1; } + /* Change the type of breakpoint between hardware assisted or an + ordinary watchpoint depending on the hardware support and free + hardware slots. REPARSE is set when the inferior is started. */ + if ((b->type == bp_watchpoint || b->type == bp_hardware_watchpoint) + && reparse) + { + int i, mem_cnt, target_resources_ok, other_type_used; + + i = hw_watchpoint_used_count (bp_hardware_watchpoint, + &other_type_used); + mem_cnt = can_use_hardware_watchpoint (val_chain); + + if (mem_cnt) + target_resources_ok = TARGET_CAN_USE_HARDWARE_WATCHPOINT + (bp_hardware_watchpoint, i + mem_cnt, other_type_used); + if (!mem_cnt || target_resources_ok <= 0) + b->type = bp_watchpoint; + else + b->type = bp_hardware_watchpoint; + } + /* Look at each value on the value chain. */ for (v = val_chain; v; v = next) { |