diff options
Diffstat (limited to 'gdb/target.h')
| -rw-r--r-- | gdb/target.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/gdb/target.h b/gdb/target.h index 365e894..e7440e5 100644 --- a/gdb/target.h +++ b/gdb/target.h @@ -601,8 +601,8 @@ struct target_ops TARGET_DEFAULT_RETURN (false); virtual bool have_steppable_watchpoint () TARGET_DEFAULT_RETURN (false); - virtual bool stopped_data_address (CORE_ADDR *) - TARGET_DEFAULT_RETURN (false); + virtual std::vector<CORE_ADDR> stopped_data_addresses () + TARGET_DEFAULT_RETURN (std::vector<CORE_ADDR> ()); virtual bool watchpoint_addr_within_range (CORE_ADDR, CORE_ADDR, int) TARGET_DEFAULT_FUNC (default_watchpoint_addr_within_range); @@ -2169,11 +2169,22 @@ extern int target_remove_hw_breakpoint (gdbarch *gdbarch, extern int target_ranged_break_num_registers (void); -/* Return non-zero if target knows the data address which triggered this - target_stopped_by_watchpoint, in such case place it to *ADDR_P. Only the - INFERIOR_PTID task is being queried. */ -#define target_stopped_data_address(target, addr_p) \ - (target)->stopped_data_address (addr_p) +/* Return a vector containing the data addresses which triggered this + target_stopped_by_watchpoint if the addresses are known. If the + addresses are not known then an empty vector is returned. Only the + INFERIOR_PTID task is being queried. + + Some target, for example AArch64, can only watch ranges of memory, + e.g. 8 or 16 bytes. As a result, many watchpoints could fall within any + single region. In such a case, this method will return the address of + all possible watchpoints, and it is up to GDB core to select a suitable + watchpoint to display to the user, for example, by checking the value of + write watchpoints. Or GDB core could tell the user that it is unable to + disambiguate between multiple read watchpoints (though this isn't + currently done). */ + +#define target_stopped_data_addresses(target) \ + (target)->stopped_data_addresses () /* Return non-zero if ADDR is within the range of a watchpoint spanning LENGTH bytes beginning at START. */ |