Re: [PATCH, testsuite] Don't run SREC, IHEX and TEKHEX tests for MIPS N64.

[Luis Machado <lgustavo at codesourcery dot com>]

On 07/02/2013 03:10 PM, Tom Tromey wrote:
> > > It could be, if we can guarantee oddball architectures don't use
> > > pointers and addresses of strange sizes, say, an arch that declares
> > > function pointers of 4 bytes.
>
> Stan> You could test both a function address and a data address, and if either
> Stan> is greater than 4 bytes, the old formats can be excluded from testing.
>
> FWIW I'm actually ok with the original patch as well.
> So if Stan is happy with it, it is ok.

What about this one?

I feel i repeated myself in the comments a little, in an attempt to make 
things clear. It may sound like a broken LP. :-)

Luis

2013-07-02  Luis Machado  <lgustavo@codesourcery.com>

	* gdb.base/dump.exp: Update copyright line.
	Remove arch-specific tests and do a generic pointer size
	check to set is64bitonly correctly.

Index: testsuite/gdb.base/dump.exp
===================================================================
--- testsuite/gdb.base/dump.exp	(revision 415809)
+++ testsuite/gdb.base/dump.exp	(working copy)
@@ -1,4 +1,4 @@
-# Copyright 2002, 2004, 2007-2012 Free Software Foundation, Inc.
+# Copyright 2002, 2004, 2007-2013 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -32,16 +32,6 @@
     lappend options "additional_flags=-Wl,-taso"
 }
 
-if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then {
-    set is64bitonly "yes"
-}
-
-if {[istarget "spu*-*-*"]} then {
-    # The internal address format used for the combined Cell/B.E.
-    # debugger requires 64-bit.
-    set is64bitonly "yes"
-}
-
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
      untested dump.exp
      return -1
@@ -58,6 +48,22 @@
 
 gdb_load ${binfile}
 
+# Decide if we should test SREC, IHEX and TEKHEX formats.
+if {![istarget "alpha*-*-*"]} then {
+    # Check the size of a function pointer and of a data pointer.  If
+    # both are different from 4-bytes, we probably have 64-bit
+    # addresses that are not supported by SREC, IHEX and TEKHEX.  We
+    # skip those tests then.
+    # If we error out below, we use the defaults (8 bytes) and skip
+    # the SREC, IHEX and TEKHEX tests just to be safe.
+
+    set sizeof_function_ptr [get_sizeof "void (*)(void)" 8]
+    set sizeof_data_ptr [get_sizeof "void *" 8]
+    if {${sizeof_function_ptr} != 4 && ${sizeof_data_ptr} != 4} then {
+	set is64bitonly "yes"
+    }
+}
+
 # Clean up any stale output files from previous test runs
 
 remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"