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[PATCH] testsuite: endianness in gnu_vector.exp
- From: jose dot marchesi at oracle dot com (Jose E. Marchesi)
- To: gdb-patches at sourceware dot org
- Date: Mon, 07 Oct 2013 16:33:00 +0200
- Subject: [PATCH] testsuite: endianness in gnu_vector.exp
- Authentication-results: sourceware.org; auth=none
Hi.
Small patch making gnu_vector.exp to work properly in big-endian
machines.
Tested in sparc64-*-linux-gnu.
2013-10-07 Jose E. Marchesi <jose.marchesi@oracle.com>
* gdb.base/gnu_vector.exp: Care about endianness when casting
scalars to vectors.
Index: testsuite/gdb.base/gnu_vector.exp
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.base/gnu_vector.exp,v
retrieving revision 1.13
diff -u -r1.13 gnu_vector.exp
--- testsuite/gdb.base/gnu_vector.exp 27 Jun 2013 18:50:30 -0000 1.13
+++ testsuite/gdb.base/gnu_vector.exp 7 Oct 2013 14:25:35 -0000
@@ -40,6 +40,14 @@
return -1
}
+# Get endianess for the scalar->vector casts
+gdb_test_multiple "show endian" "show endian" {
+ -re ".* (big|little) endian.*$gdb_prompt $" {
+ set endian $expect_out(1,string)
+ pass "endianness: $endian"
+ }
+}
+
# Test printing of character vector types
gdb_test "print c4" "\\\$$decimal = \\{1, 2, 3, 4\\}"
gdb_test "print c4\[2\]" "\\\$$decimal = 3"
@@ -83,9 +91,14 @@
# When casting to vector the input type must have the same length as
# the total length of the vector.
gdb_test "print (char4) 0x01010101" "\\\$$decimal = \\{1, 1, 1, 1\\}"
-gdb_test "print (char4) ia" "\\\$$decimal = \\{2, 0, 0, 0\\}"
gdb_test "print (int2) lla" "\\\$$decimal = \\{1, 1\\}"
+if { ![string compare $endian big] } then {
+ gdb_test "print (char4) ia" "\\\$$decimal = \\{0, 0, 0, 2\\}"
+} else {
+ gdb_test "print (char4) ia" "\\\$$decimal = \\{2, 0, 0, 0\\}"
+}
+
gdb_test "print (int2) 1" "can only cast scalar to vector of same size"
gdb_test "print (longlong2) 2" "can only cast scalar to vector of same size"
gdb_test "print (float2) 3" "can only cast scalar to vector of same size"