src/gdb ChangeLog ia64-tdep.c libunwind-frame. ...

[jjohnstn at sourceware dot org]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	jjohnstn@sourceware.org	2005-06-08 21:54:25

Modified files:
	gdb            : ChangeLog ia64-tdep.c libunwind-frame.c 
	                 libunwind-frame.h 

Log message:
	2005-06-08  Jeff Johnston  <jjohnstn@redhat.com>
	David Mosberger <davidm@hpl.hp.com>
	
	* ia64-tdep.c (KERNEL_START): New macro.
	(ia64_pseudo_register_read): Fix code to use libunwind to properly
	get the rse registers.
	(ia64_frame_this_id): Mark outermost frame with null frame id.
	(ia64_sigtramp_frame_prev_register): Fix up debug output.
	(ia64_access_rse_reg): New accessor function.
	(ia64_access_mem): Add special logic for accessing the
	kernel's unwind table.
	(getunwind_table): Fix for corefiles.
	(get_kernel_table): Fix to handle vDSO.
	(ia64_libunwind_frame_this_id): Check for null frame id and
	don't unwind past pc value of 0.  Fix debugging output.
	(ia64_libunwind_sigtramp_frame_this_id): New function.
	(ia64_libunwind_sigtramp_frame_prev_register): Ditto.
	(ia64_libunwind_sigtramp_frame_sniffer): Ditto.
	(ia64_libunwind_sigtramp_frame_unwind): New unwinder.
	(ia64_unw_rse_accessors): New libunwind accessors.
	(ia64_libunwind_descr): Add ia64_unw_rse_accessors.
	(ia64_gdbarch_init)[HAVE_LIBUNWIND_IA64_H]: Use
	ia64_libunwind_sigtramp_frame_sniffer instead of
	ia64_sigtramp_frame_sniffer.
	* libunwind-frame.c (libunwind_frame_set_descr): Add
	special register accessors.
	(libunwind_frame_cache): Add special logic to check for
	0 pc value.  Check for a signal trampoline frame.
	(libunwind_frame_this_id): Check if libunwind_frame_cache
	returns NULL.
	(libunwind_frame_prev_register): Check for NULL cache.
	(libunwind_frame_base_address): Ditto.
	(libunwind_sigtramp_frame_sniffer): New function.
	(libunwind_get_reg_special): Ditto.
	(libunwind_load): Add unw_is_signal_frame support.
	* libunwind-frame.h (struct libunwind_descr): Add special_accessors
	field.
	(libunwind_sigtramp_frame_sniffer): New prototype.
	(libunwind_get_reg_special): Ditto.

Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.7208&r2=1.7209
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/ia64-tdep.c.diff?cvsroot=src&r1=1.132&r2=1.133
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/libunwind-frame.c.diff?cvsroot=src&r1=1.6&r2=1.7
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/libunwind-frame.h.diff?cvsroot=src&r1=1.3&r2=1.4