Update copyright year range in all GDB files

[external/binutils.git] / gdb / testsuite / gdb.btrace / tailcall.exp

diff --git a/gdb/testsuite/gdb.btrace/tailcall.exp b/gdb/testsuite/gdb.btrace/tailcall.exp
index a001783..f8dae58 100644 (file)
--- a/gdb/testsuite/gdb.btrace/tailcall.exp
+++ b/gdb/testsuite/gdb.btrace/tailcall.exp
@@ -1,6 +1,6 @@
 # This testcase is part of GDB, the GNU debugger.
 #
-# Copyright 2013 Free Software Foundation, Inc.
+# Copyright 2013-2018 Free Software Foundation, Inc.
 #
 # Contributed by Intel Corp. <markus.t.metzger@intel.com>
 #
@@ -17,26 +17,39 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# check for btrace support
-if { [skip_btrace_tests] } { return -1 }
-
-# start inferior
-standard_testfile x86-tailcall.S
+if { [skip_btrace_tests] } {
+    unsupported "target does not support record-btrace"
+    return -1
+}
 
+# This test requires the compiler to generate a tail call.  To guarantee that
+# we always get one, we use an assembly source file.
+#
+# We use different assembly sources based on the target architecture.
+#
+# Luckily, they are similar enough that a single test script can handle
+# both.
 set opts {}
 if [info exists COMPILE] {
     # make check RUNTESTFLAGS="gdb.btrace/tailcall.exp COMPILE=1"
-    standard_testfile x86-tailcall.c
+    standard_testfile tailcall.c
     lappend opts debug optimize=-O2
-} elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } {
-    verbose "Skipping ${testfile}."
-    return
+} elseif {[istarget "i?86-*-*"] || [istarget "x86_64-*-*"]} {
+       if {[is_amd64_regs_target]} {
+               standard_testfile x86_64-tailcall.S
+       } else {
+               standard_testfile i686-tailcall.S
+       }
+} else {
+    unsupported "target architecture not supported"
+    return -1
 }
 
-if [prepare_for_testing tailcall.exp $testfile $srcfile $opts] {
+if [prepare_for_testing "failed to prepare" $testfile $srcfile $opts] {
     return -1
 }
 if ![runto_main] {
+    untested "failed to run to main"
     return -1
 }
 
@@ -45,33 +58,48 @@ gdb_test_no_output "set record function-call-history-size 0"
 
 # trace the call to foo
 gdb_test_no_output "record btrace"
-gdb_test "next"
+gdb_test "next 2"
 
 # show the flat branch trace
-gdb_test "record function-call-history 1" [join [list \
-  "1\tfoo" \
-  "2\tbar" \
-  "3\tmain" \
-  ] "\r\n"] "flat"
+gdb_test "record function-call-history 1" [multi_line \
+  "1\tmain" \
+  "2\tfoo" \
+  "3\tbar" \
+  "4\tmain" \
+  ] "flat"
 
 # show the branch trace with calls indented
-gdb_test "record function-call-history /c 1" [join [list \
-  "1\t  foo" \
-  "2\t    bar" \
-  "3\tmain" \
-  ] "\r\n"] "indented"
+gdb_test "record function-call-history /c 1" [multi_line \
+  "1\tmain" \
+  "2\t  foo" \
+  "3\t    bar" \
+  "4\tmain" \
+  ] "indented"
 
 # go into bar
-gdb_test "record goto 3" ".*bar \\(\\) at .*x86-tailcall.c:24\r\n.*"
+gdb_test "record goto 4" ".*bar \\(\\) at .*tailcall.c:24\r\n.*"
 
 # check the backtrace
-gdb_test "backtrace" [join [list \
-  "#0.*bar \\(\\) at x86-tailcall.c:24" \
-  "#1.*foo \\(\\) at x86-tailcall.c:29" \
-  "#2.*main \\(\\) at x86-tailcall.c:37" \
+gdb_test "backtrace" [multi_line \
+  "#0.*bar \\(\\) at tailcall.c:24" \
+  "#1.*foo \\(\\) at tailcall.c:29" \
+  "#2.*main \\(\\) at tailcall.c:37" \
   "Backtrace stopped: not enough registers or memory available to unwind further" \
-  ] "\r\n"]
+  ]
 
 # walk the backtrace
-gdb_test "up" "#1\[^\r\n\]*foo \\(\\) at x86-tailcall.c:29\r\n.*" "up to foo"
-gdb_test "up" "#2\[^\r\n\]*main \\(\\) at x86-tailcall.c:37\r\n.*" "up to main"
+gdb_test "up" "#1\[^\r\n\]*foo \\(\\) at tailcall.c:29\r\n.*" "up to foo"
+gdb_test "up" "#2\[^\r\n\]*main \\(\\) at tailcall.c:37\r\n.*" "up to main"
+gdb_test "down" "#1\[^\r\n\]*foo \\(\\) at tailcall.c:29\r\n.*" "down to foo"
+
+# test stepping into and out of tailcalls.
+gdb_test "finish" "\[^\r\n\]*main \\(\\) at tailcall.c:38\r\n.*"
+gdb_test "reverse-step" "\[^\r\n\]*bar \\(\\) at tailcall.c:24\r\n.*"
+gdb_test "reverse-finish" "\[^\r\n\]*foo \\(\\) at tailcall.c:29\r\n.*"
+gdb_test "reverse-step" "\[^\r\n\]*main \\(\\) at tailcall.c:37\r\n.*"
+gdb_test "next" "\[^\r\n\]*38.*"
+gdb_test "reverse-next" "\[^\r\n\]*main \\(\\) at tailcall.c:37\r\n.*"
+gdb_test "step" "\[^\r\n\]*foo \\(\\) at tailcall.c:29\r\n.*"
+gdb_test "finish" "\[^\r\n\]*main \\(\\) at tailcall.c:38\r\n.*"
+gdb_test "reverse-step" "\[^\r\n\]*bar \\(\\) at tailcall.c:24\r\n.*"
+gdb_test "finish" "\[^\r\n\]*main \\(\\) at tailcall.c:38\r\n.*"