2009-12-10 Oza Pawandeep (paawan1982@yahoo.com

	* gdb.reverse/i387-env-reverse.c: New file.
	* gdb.reverse/i387-env-reverse.exp: New file.
	* gdb.reverse/i387-stack-reverse.c: New file.
	* gdb.reverse/i387-stack-reverse.exp: New file.

1 files changed, 177 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.reverse/i387-stack-reverse.exp b/gdb/testsuite/gdb.reverse/i387-stack-reverse.exp
new file mode 100644
index 00000000000..bb38e59094b
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/i387-stack-reverse.exp
@@ -0,0 +1,177 @@
+# Copyright 2009 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
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# This file is part of the gdb testsuite.
+
+if $tracelevel {
+    strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+if ![istarget "i?86-*linux*"] then {
+    verbose "Skipping i387 reverse float tests."
+    return
+}
+
+set testfile "i387-stack-reverse"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+# some targets have leading underscores on assembly symbols.
+# TODO: detect this automatically
+set additional_flags ""
+if [istarget "i?86-*-cygwin*"] then {
+  set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
+}
+
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
+    untested i387-float-reverse
+    return -1
+}
+
+# Get things started.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+runto main
+
+# Record to end of main
+
+set location [gdb_get_line_number "END I387-FLOAT-REVERSE"]
+gdb_test "record" "" "Turn on process record"
+gdb_test "until $location" ".*/$srcfile:$location.*" \
+    "record to end of main"
+
+# Now rewind to beginning so we can begin testing.
+
+set location [gdb_get_line_number "BEGIN I387-FLOAT-REVERSE"]
+gdb_test "set exec-dir reverse" "" "set reverse direction"
+gdb_test "until $location" ".*/$srcfile:$location.*" \
+    "rewind to beginning of main"
+gdb_test "set exec-dir forward" "" "set forward direction"
+
+# Test FPU stack. FPU stack includes st0, st1, st2, st3, st4, 
+# st5, st6, st7. We push 8 values to FPU stack in record mode
+# and see whether all are getting recorded.
+
+set location [gdb_get_line_number "test st0 register"]
+gdb_test "until $location" ".*/$srcfile:$location.*asm.*fld1.*" \
+    "begin test st0"
+gdb_test "stepi" "asm.*fldl2t.*"              "push st0 == 1"
+gdb_test "info register st0" "st0 *1\t.*"     "verify st0 == 1"
+
+
+gdb_test "stepi" "asm.*fldl2e.*"              "push st0 == 3.3219280948*"
+gdb_test "info register st0" "st0 *3.32192.*\t.*" "verify st0 == 3.321928094*"
+gdb_test "info register st1" "st1 *1\t.*"       "verify st1 == 1"
+
+gdb_test "stepi" "asm.*fldpi.*"                   "push st0 == 1.4426950406*"
+gdb_test "info register st0" "st0 *1.44269.*\t.*" "verify st0 == 1.442695040*"
+gdb_test "info register st1" "st1 *3.32192.*\t.*" "verify st1 == 3.3219280948*"
+gdb_test "info register st2" "st2 *1\t.*"         "verify st2 == 1"
+                                               
+gdb_test "stepi" "asm.*fldlg2.*"                  "push st0 == 3.14159265*"
+gdb_test "info register st0" "st0 *3.14159.*\t.*" "verify st0 == 3.14159265*"
+gdb_test "info register st1" "st1 *1.44269.*\t.*" "verify st1 == 1.4426950*"
+gdb_test "info register st2" "st2 *3.32192.*\t.*" "verify st2 == 3.3219280*"
+gdb_test "info register st3" "st3 *1\t.*"          "verify st3 == 1"
+
+gdb_test "stepi" "asm.*fldln2.*"                  "push st0 == 0.301029*"
+gdb_test "info register st0" "st0 *0.30102.*\t.*" "verify st0 == 0.301029*"
+gdb_test "info register st1" "st1 *3.14159.*\t.*" "verify st1 == 3.14159265*"
+gdb_test "info register st2" "st2 *1.44269.*\t.*" "verify st2 == 1.44269506*"
+gdb_test "info register st3" "st3 *3.32192.*\t.*" "verify st3 == 3.3219280948*"
+gdb_test "info register st4" "st4 *1\t.*"         "verify st4 == 1"
+
+gdb_test "stepi" "asm.*fldz.*"                    "push st0 == 0.69314*"
+gdb_test "info register st0" "st0 *0.69314.*\t.*" "verify st0 == 0.69314*"
+gdb_test "info register st1" "st1 *0.30102.*\t.*" "verify st1 == 0.301029*"
+gdb_test "info register st2" "st2 *3.14159.*\t.*" "verify st2 == 3.14159265*"
+gdb_test "info register st3" "st3 *1.44269.*\t.*" "verify st3 == 1.442695040*"
+gdb_test "info register st4" "st4 *3.32192.*\t.*" "verify st4 == 3.3219280948*"
+gdb_test "info register st5" "st5 *1\t.*"         "verify st5 == 1"
+
+gdb_test "stepi" "asm.*fld1.*"                    "push st0 == 0"
+gdb_test "info register st0" "st0 *0\t.*"         "verify st0 == 0"
+gdb_test "info register st1" "st1 *0.69314.*\t.*" "verify st1 == 0.69314*"
+gdb_test "info register st2" "st2 *0.30102.*\t.*" "verify st2 == 0.301029*"
+gdb_test "info register st3" "st3 *3.14159.*\t.*" "verify st3 == 3.14159265*"
+gdb_test "info register st4" "st4 *1.44269.*\t.*" "verify st4 == 1.442695040*"
+gdb_test "info register st5" "st5 *3.32192.*\t.*" "verify st5 == 3.32192809*"
+gdb_test "info register st6" "st6 *1\t.*"         "verify st6 == 1"
+
+gdb_test "stepi" "asm.*nop.*"                     "push st0 == 0"
+gdb_test "info register st0" "st0 *1\t.*"         "verify st0 == 1"
+gdb_test "info register st1" "st1 *0\t.*"         "verify st1 == 0"
+gdb_test "info register st2" "st2 *0.69314.*\t.*" "verify st2 == 0.69314*"
+gdb_test "info register st3" "st3 *0.30102.*\t.*" "verify st3 == 0.301029*"
+gdb_test "info register st4" "st4 *3.14159.*\t.*" "verify st4 == 3.14159265*"
+gdb_test "info register st5" "st5 *1.44269.*\t.*" "verify st5 == 1.44269504*"
+gdb_test "info register st6" "st6 *3.32192.*\t.*" "verify st6 == 3.3219280948*"
+gdb_test "info register st7" "st7 *1.*"           "verify st7 == 1"
+
+# Now step backward, and check that st0 value reverts to zero.
+
+gdb_test "reverse-stepi" "asm.*fld1.*"            "undo registers, st0-st7"
+gdb_test "info register st0" "st0 *0\t.*"         "verify st0 == 0"
+gdb_test "info register st1" "st1 *0.69314.*\t.*" "verify st1 == 0.69314*"
+gdb_test "info register st2" "st2 *0.30102.*\t.*" "verify st2 == 0.301029*"
+gdb_test "info register st3" "st3 *3.14159.*\t.*" "verify st3 == 3.14159265*"
+gdb_test "info register st4" "st4 *1.44269.*\t.*" "verify st4 == 1.442695040*"
+gdb_test "info register st5" "st5 *3.32192.*\t.*" "verify st5 == 3.3219280948*"
+gdb_test "info register st6" "st6 *1\t.*"         "verify st6 == 1"
+
+gdb_test "reverse-stepi" "asm.*fldz.*"            "push st0 == 0.69314*"
+gdb_test "info register st0" "st0 *0.69314.*\t.*" "verify st0 == 0.69314*"
+gdb_test "info register st1" "st1 *0.30102.*\t.*" "verify st1 == 0.301029*"
+gdb_test "info register st2" "st2 *3.14159.*\t.*" "verify st2 == 3.14159265*"
+gdb_test "info register st3" "st3 *1.44269.*\t.*" "verify st3 == 1.442695040*"
+gdb_test "info register st4" "st4 *3.32192.*\t.*" "verify st4 == 3.3219280948*"
+gdb_test "info register st5" "st5 *1\t.*"       "verify st5 == 1"
+
+gdb_test "reverse-stepi" "asm.*fldln2.*"          "push st0 == 0.301029*"
+gdb_test "info register st0" "st0 *0.30102.*\t.*" "verify st0 == 0.301029*"
+gdb_test "info register st1" "st1 *3.14159.*\t.*" "verify st1 == 3.14159265*"
+gdb_test "info register st2" "st2 *1.44269.*\t.*" "verify st2 == 1.442695040*"
+gdb_test "info register st3" "st3 *3.32192.*\t.*" "verify st3 == 3.3219280948*"
+gdb_test "info register st4" "st4 *1\t.*"         "verify st4 == 1"
+
+gdb_test "reverse-stepi" "asm.*fldlg2.*"          "push st0 == 3.14159265*"
+gdb_test "info register st0" "st0 *3.14159.*\t.*" "verify st0 == 3.14159265*"
+gdb_test "info register st1" "st1 *1.44269.*\t.*" "verify st1 == 1.442695040*"
+gdb_test "info register st2" "st2 *3.32192.*\t.*" "verify st2 == 3.3219280948*"
+gdb_test "info register st3" "st3 *1\t.*"       "verify st3 == 1"
+
+gdb_test "reverse-stepi" "asm.*fldpi.*"           "push st0 == 1.44269504088*"
+gdb_test "info register st0" "st0 *1.44269.*\t.*" "verify st0 == 1.442695040*"
+gdb_test "info register st1" "st1 *3.32192.*\t.*" "verify st1 == 3.3219280948*"
+gdb_test "info register st2" "st2 *1\t.*"         "verify st2 == 1"
+
+
+gdb_test "reverse-stepi" "asm.*fldl2e.*"          "push st0 == 3.3219280948*"
+gdb_test "info register st0" "st0 *3.32192.*\t.*" "verify st0 == 3.3219280948*"
+gdb_test "info register st1" "st1 *1\t.*"         "verify st1 == 1"
+
+gdb_test "reverse-stepi" "asm.*fldl2t.*"      "push st0 == 1"
+gdb_test "info register st0" "st0 *1\t.*"     "verify st0 == 1"                                               
+
+
+
+
+