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[Bug threads/10729] non-stop && hw-watchpoint: Couldn't write debugregister: No such process.


http://sourceware.org/bugzilla/show_bug.cgi?id=10729

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2010-08-25 14:40:43 UTC ---
Subject: Bug 10729

CVSROOT:	/cvs/src
Module name:	src
Changes by:	palves@sourceware.org	2010-08-25 14:40:22

Modified files:
	gdb/gdbserver  : ChangeLog i386-low.c i386-low.h linux-low.c 
	                 linux-low.h linux-x86-low.c win32-i386-low.c 

Log message:
	PR threads/10729
	
	* linux-x86-low.c (update_debug_registers_callback): New.
	(i386_dr_low_set_addr): Use it.
	(i386_dr_low_get_addr): New.
	(i386_dr_low_set_control): Use update_debug_registers_callback.
	(i386_dr_low_get_control): New.
	(i386_dr_low_get_status): Adjust.
	* linux-low.c (linux_stop_lwp): New.
	* linux-low.h (linux_stop_lwp): Declare.
	
	* i386-low.c (I386_DR_GET_RW_LEN): Take the dr7 contents as
	argument instead of a i386_debug_reg_state.
	(I386_DR_WATCH_HIT): Take the dr6 contents as argument instead of
	a i386_debug_reg_state.
	(i386_insert_aligned_watchpoint): Adjust.
	(i386_remove_aligned_watchpoint): Adjust.
	(i386_low_stopped_data_address): Read the debug registers from the
	inferior instead of from the mirrors.
	* i386-low.h (struct i386_debug_reg_state): Extend comment.
	(i386_dr_low_get_addr): Declare.
	(i386_dr_low_get_control): Declare.
	(i386_dr_low_get_status): Change prototype.
	
	* win32-i386-low.c (dr_status_mirror, dr_control_mirror): New globals.
	(i386_dr_low_get_addr): New.
	(i386_dr_low_get_control): New.
	(i386_dr_low_get_status): Adjust prototype.  Return
	dr_status_mirror.
	(i386_initial_stuff): Clear dr_status_mirror and
	dr_control_mirror.
	(i386_get_thread_context): Adjust.
	(i386_set_thread_context): Adjust.
	(i386_thread_added): Adjust.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/ChangeLog.diff?cvsroot=src&r1=1.406&r2=1.407
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/i386-low.c.diff?cvsroot=src&r1=1.3&r2=1.4
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/i386-low.h.diff?cvsroot=src&r1=1.2&r2=1.3
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-low.c.diff?cvsroot=src&r1=1.153&r2=1.154
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-low.h.diff?cvsroot=src&r1=1.45&r2=1.46
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-x86-low.c.diff?cvsroot=src&r1=1.20&r2=1.21
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/win32-i386-low.c.diff?cvsroot=src&r1=1.20&r2=1.21



--- Comment #2 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-11-06 22:47:12 UTC ---
Reproducible with:
7.3.50.20111105-cvs
kernel-3.1.0-7.fc16.x86_64

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