From acf7b9e14f07331bd010f673555eb9f1d324e391 Mon Sep 17 00:00:00 2001 From: Kevin Buettner Date: Thu, 13 Apr 2000 02:18:13 +0000 Subject: IA-64 watchpoint support. --- gdb/config/ia64/nm-linux.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'gdb/config/ia64') diff --git a/gdb/config/ia64/nm-linux.h b/gdb/config/ia64/nm-linux.h index afb8675..9077725 100644 --- a/gdb/config/ia64/nm-linux.h +++ b/gdb/config/ia64/nm-linux.h @@ -44,4 +44,33 @@ extern int ia64_register_u_addr(int, int); #define PTRACE_ARG3_TYPE long #define PTRACE_XFER_TYPE long +/* Hardware watchpoints */ + +#define TARGET_HAS_HARDWARE_WATCHPOINTS + +#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1 + +/* The IA-64 architecture can step over a watch point (without triggering + it again) if the "dd" (data debug fault disable) bit in the processor + status word is set. + + This PSR bit is set in ia64_linux_stopped_by_watchpoint when the + code there has determined that a hardware watchpoint has indeed + been hit. The CPU will then be able to execute one instruction + without triggering a watchpoint. */ +#define HAVE_STEPPABLE_WATCHPOINT 1 + +#define STOPPED_BY_WATCHPOINT(W) \ + ia64_linux_stopped_by_watchpoint (inferior_pid) +extern CORE_ADDR ia64_linux_stopped_by_watchpoint (int); + +#define target_insert_watchpoint(addr, len, type) \ + ia64_linux_insert_watchpoint (inferior_pid, addr, len, type) +extern int ia64_linux_insert_watchpoint (int pid, CORE_ADDR addr, + int len, int rw); + +#define target_remove_watchpoint(addr, len, type) \ + ia64_linux_remove_watchpoint (inferior_pid, addr, len) +extern int ia64_linux_remove_watchpoint (int pid, CORE_ADDR addr, int len); + #endif /* #ifndef NM_LINUX_H */ -- cgit v1.1