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2002-02-04 Pierre Muller <muller@ics.u-strasbg.fr>

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Add support for hardware watchpoints on win32 native.
	* win32-nat.c (CONTEXT_DEBUG_DR macro): Add use of
	CONTEXT_DEBUG_REGISTERS.
	(dr variable): New variable. Static array containing a local copy
	of debug registers.
	(debug_registers_changed): New variable.  Reflects when debug registers
	are changed and need to be written to inferior.
	(debug_registers_used): New variable. Reflects when any debug register
	was set, used when new threads are created.
	(cygwin_set_dr, cygwin_set_dr7, cygwin_get_dr6): New functions used by
	i386-nat code.
	(thread_rec): Set dr array if id is the thread of current_event .
	(child_continue, child_resume): Change the debug registers for all
	threads if debug_registers_changed.
	(child_add_thread): Change the debug registers if debug_registers_used.
	* config/i386/cygwin.mh: Add use of i386-nat.o file.
	Link nm.h to new nm-cygwin.h file.
	+ config/i386/nm-cygwin.h: New file. Contains the macros used for use
	of hardware registers.
This commit is contained in:
Pierre Muller 2002-02-04 11:00:10 +00:00
parent 4fa5c2a8c0
commit fa4ba8da6c
5 changed files with 282 additions and 20 deletions
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4
gdb/config/i386/cygwin.mh
View file

@ -1,5 +1,5 @@
MH_CFLAGS=
XM_FILE=xm-cygwin.h
NATDEPFILES= win32-nat.o corelow.o
NAT_FILE=../none/nm-none.h
NATDEPFILES= i386-nat.o win32-nat.o corelow.o
NAT_FILE=nm-cygwin.h
XM_CLIBS=