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Re: [PATCH] New testcase for MIPS jal overflow/misalignment mismatch
- From: Thiemo Seufer <ica2_ts at csv dot ica dot uni-stuttgart dot de>
- To: binutils at sources dot redhat dot com
- Date: Tue, 17 Sep 2002 10:23:34 +0200
- Subject: Re: [PATCH] New testcase for MIPS jal overflow/misalignment mismatch
- References: <20020917074306.GG20322@rembrandt.csv.ica.uni-stuttgart.de>
Thiemo Seufer wrote:
> Hi All,
>
> this adds a check for misaligned/overflowed jal to the testsuite.
>
>
> Thiemo
>
>
> 2002-09-17 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
>
> /gas/testsuite/ChangeLog
> * gas/mips/jal-range.l: Check for jal overflows.
> * gas/mips/mips.exp: Use it.
Which, of course, needs also the *.s file i left out.
I applied the following, approved by Eric.
Thiemo
2002-09-17 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
/gas/testsuite/ChangeLog
* gas/mips/jal-range.s: Check for jal overflows.
* gas/mips/jal-range.l: List file for it.
* gas/mips/mips.exp: Use it.
diff -BurpNX /bigdisk/src/gcc-exclude source-orig/gas/testsuite/gas/mips/jal-range.s source/gas/testsuite/gas/mips/jal-range.s
--- source-orig/gas/testsuite/gas/mips/jal-range.s Thu Jan 1 01:00:00 1970
+++ source/gas/testsuite/gas/mips/jal-range.s Sat Sep 14 10:51:03 2002
@@ -0,0 +1,6 @@
+# Source file use to test border cases of jumps
+
+ jal 0x0
+ jal 0x7fffffc
+ jal 0x7fffffd
+ jal 0x8000000
diff -BurpNX /bigdisk/src/gcc-exclude source-orig/gas/testsuite/gas/mips/jal-range.l source/gas/testsuite/gas/mips/jal-range.l
--- source-orig/gas/testsuite/gas/mips/jal-range.l Thu Jan 1 01:00:00 1970
+++ source/gas/testsuite/gas/mips/jal-range.l Sat Sep 14 10:52:00 2002
@@ -0,0 +1,4 @@
+.*: Assembler messages:
+.*:5: Error: jump to misaligned address \(0x7fffffd\)
+.*:5: Error: jump address range overflow \(0x7fffffd\)
+.*:6: Error: jump address range overflow \(0x8000000\)
diff -BurpNX /bigdisk/src/gcc-exclude source-orig/gas/testsuite/gas/mips/mips.exp source/gas/testsuite/gas/mips/mips.exp
--- source-orig/gas/testsuite/gas/mips/mips.exp Wed Sep 4 23:01:59 2002
+++ source/gas/testsuite/gas/mips/mips.exp Tue Sep 17 04:24:25 2002
@@ -77,6 +77,7 @@ if { [istarget mips*-*-*] } then {
if $elf { run_dump_test "jal-empic-elf" }
if $elf { run_dump_test "jal-empic-elf-2" }
if $elf { run_dump_test "jal-empic-elf-3" }
+ run_list_test "jal-range" ""
if !$aout { run_dump_test "la" }
if $elf { run_dump_test "la-svr4pic" }
if $elf { run_dump_test "la-xgot" }