re PR ada/41929 (64-bit null_pointer_deref1 gnat.dg test consumes all available memory)

	gcc:
	PR ada/41929
	* config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
	(IS_SIGHANDLER): Define.
	(sparc64_is_sighandler): New function, split off from
	sparc64_fallback_frame_state.
	(sparc_is_sighandler): New function, split off from
	sparc_fallback_frame_state.
	(sparc64_fallback_frame_state): Merge with ...
	(sparc_fallback_frame_state): ... this into ...
	(MD_FALLBACK_FRAME_STATE_FOR): ... this.
	Change new_cfa to long.
	Remove regs_off, fpu_save_off, fpu_save.
	Define nframes, mctx.
	Use IS_SIGHANDLER, handler_args, mctx, walk stack instead of
	hardcoded offsets.

	gcc/testsuite:
	PR ada/41929
	* gnat.dg/null_pointer_deref1.exp: Don't skip on
	sparc*-sun-solaris2.11.

From-SVN: r170126

gcc/ChangeLog

+2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR ada/41929
+	* config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
+	(IS_SIGHANDLER): Define.
+	(sparc64_is_sighandler): New function, split off from
+	sparc64_fallback_frame_state.
+	(sparc_is_sighandler): New function, split off from
+	sparc_fallback_frame_state.
+	(sparc64_fallback_frame_state): Merge with ...
+	(sparc_fallback_frame_state): ... this into ...
+	(MD_FALLBACK_FRAME_STATE_FOR): ... this.
+	Change new_cfa to long.
+	Remove regs_off, fpu_save_off, fpu_save.
+	Define nframes, mctx.
+	Use IS_SIGHANDLER, handler_args, mctx, walk stack instead of
+	hardcoded offsets.
+
 2011-02-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* go/gccgo.texi (Top, Import and Export): Fix a typo and a

gcc/testsuite/ChangeLog

+2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR ada/41929
+	* gnat.dg/null_pointer_deref1.exp: Don't skip on
+	sparc*-sun-solaris2.11.
+
 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/47349

gcc/testsuite/gnat.dg/null_pointer_deref1.adb

--- { dg-do run { target { ! "sparc*-sun-solaris2.11" } } }
+-- { dg-do run }
 -- { dg-options "-gnatp" }
 
 -- This test requires architecture- and OS-specific support code for unwinding