2009-08-26 Michael Snyder <msnyder@vmware.com>

	* gdb.base/i386-reverse.c: New file.
	* gdb.base/i386-reverse.exp: New file.
	* gdb.base/Makefile.in: Add new files to be removed.

3 files changed, 335 insertions, 1 deletions

diff --git a/gdb/testsuite/gdb.reverse/Makefile.in b/gdb/testsuite/gdb.reverse/Makefile.in
index 43b2f58..513c884 100644
--- a/gdb/testsuite/gdb.reverse/Makefile.in
+++ b/gdb/testsuite/gdb.reverse/Makefile.in
@@ -3,7 +3,7 @@ srcdir = @srcdir@
 
 EXECUTABLES   = break-reverse consecutive-reverse finish-reverse \
 	machinestate solib-reverse step-reverse until-reverse \
-	watch-reverse 
+	watch-reverse i386-reverse
 
 MISCELLANEOUS = 
 
diff --git a/gdb/testsuite/gdb.reverse/i386-reverse.c b/gdb/testsuite/gdb.reverse/i386-reverse.c
new file mode 100644
index 0000000..3407a5a
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/i386-reverse.c
@@ -0,0 +1,46 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   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/>.  */
+
+/* Architecture tests for intel i386 platform.  */
+
+void 
+inc_dec_tests (void)
+{
+  asm ("inc %eax");
+  asm ("inc %ecx");
+  asm ("inc %edx");
+  asm ("inc %ebx");
+  asm ("inc %esp");
+  asm ("inc %ebp");
+  asm ("inc %esi");
+  asm ("inc %edi");
+  asm ("dec %eax");
+  asm ("dec %ecx");
+  asm ("dec %edx");
+  asm ("dec %ebx");
+  asm ("dec %esp");
+  asm ("dec %ebp");
+  asm ("dec %esi");
+  asm ("dec %edi");
+} /* end inc_dec_tests */
+
+int 
+main ()
+{
+  inc_dec_tests ();
+  return 0;	/* end of main */
+}
diff --git a/gdb/testsuite/gdb.reverse/i386-reverse.exp b/gdb/testsuite/gdb.reverse/i386-reverse.exp
new file mode 100644
index 0000000..a9167b0
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/i386-reverse.exp
@@ -0,0 +1,288 @@
+# 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.
+
+#
+# This test tests some i386 general instructions for reverse execution.
+#
+
+if ![target_info exists gdb,can_reverse] {
+    return
+}
+
+if $tracelevel {
+    strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+if ![istarget "i?86-*linux*"] then {
+    verbose "Skipping i386 reverse tests."
+    return
+}
+
+set testfile "i386-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 i386-reverse
+    return -1
+}
+
+set end_of_main          [gdb_get_line_number " end of main "]
+set end_of_inc_dec_tests [gdb_get_line_number " end inc_dec_tests "]
+
+# Get things started.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+runto main
+
+if [target_info exists gdb,use_precord] {
+    # Activate process record/replay
+    gdb_test "record" "" "Turn on process record"
+    # FIXME: command ought to acknowledge, so we can test if it succeeded.
+}
+
+global hex
+global decimal
+
+gdb_test "step" "inc .eax.*" "step to inc eax 1st time"
+send_gdb "info reg eax\n"
+gdb_expect {
+    -re "eax *($hex)\t.*$gdb_prompt " {
+	set preinc_eax $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "inc .ecx.*" "step to inc ecx 1st time"
+send_gdb "info reg ecx\n"
+gdb_expect {
+    -re "ecx *($hex)\t.*$gdb_prompt " {
+	set preinc_ecx $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "inc .edx.*" "step to inc edx 1st time"
+send_gdb "info reg edx\n"
+gdb_expect {
+    -re "edx *($hex)\t.*$gdb_prompt " {
+	set preinc_edx $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "inc .ebx.*" "step to inc ebx 1st time"
+send_gdb "info reg ebx\n"
+gdb_expect {
+    -re "ebx *($hex)\t.*$gdb_prompt " {
+	set preinc_ebx $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "inc .esp.*" "step to inc esp 1st time"
+send_gdb "info reg esp\n"
+gdb_expect {
+    -re "esp *($hex)\t.*$gdb_prompt " {
+	set preinc_esp $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "inc .ebp.*" "step to inc ebp 1st time"
+send_gdb "info reg ebp\n"
+gdb_expect {
+    -re "ebp *($hex)\t.*$gdb_prompt " {
+	set preinc_ebp $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "inc .esi.*" "step to inc esi 1st time"
+send_gdb "info reg esi\n"
+gdb_expect {
+    -re "esi *($hex)\t.*$gdb_prompt " {
+	set preinc_esi $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "inc .edi.*" "step to inc edi 1st time"
+send_gdb "info reg edi\n"
+gdb_expect {
+    -re "edi *($hex)\t.*$gdb_prompt " {
+	set preinc_edi $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "dec .eax.*" "step to dec eax 1st time"
+send_gdb "info reg eax\n"
+gdb_expect {
+    -re "eax *($hex)\t.*$gdb_prompt " {
+	set predec_eax $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "dec .ecx.*" "step to dec ecx 1st time"
+send_gdb "info reg ecx\n"
+gdb_expect {
+    -re "ecx *($hex)\t.*$gdb_prompt " {
+	set predec_ecx $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "dec .edx.*" "step to dec edx 1st time"
+send_gdb "info reg edx\n"
+gdb_expect {
+    -re "edx *($hex)\t.*$gdb_prompt " {
+	set predec_edx $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "dec .ebx.*" "step to dec ebx 1st time"
+send_gdb "info reg ebx\n"
+gdb_expect {
+    -re "ebx *($hex)\t.*$gdb_prompt " {
+	set predec_ebx $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "dec .esp.*" "step to dec esp 1st time"
+send_gdb "info reg esp\n"
+gdb_expect {
+    -re "esp *($hex)\t.*$gdb_prompt " {
+	set predec_esp $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "dec .ebp.*" "step to dec ebp 1st time"
+send_gdb "info reg ebp\n"
+gdb_expect {
+    -re "ebp *($hex)\t.*$gdb_prompt " {
+	set predec_ebp $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "dec .esi.*" "step to dec esi 1st time"
+send_gdb "info reg esi\n"
+gdb_expect {
+    -re "esi *($hex)\t.*$gdb_prompt " {
+	set predec_esi $expect_out(1,string)
+    }
+}
+
+gdb_test "step" "dec .edi.*" "step to dec edi 1st time"
+send_gdb "info reg edi\n"
+gdb_expect {
+    -re "edi *($hex)\t.*$gdb_prompt " {
+	set predec_edi $expect_out(1,string)
+    }
+}
+
+# gdb_test "step" "end inc_dec_tests .*" "step to end inc_dec_tests 1st time"
+
+gdb_test "break $end_of_main" \
+    "Breakpoint $decimal at .* line $end_of_main\." \
+    "set breakpoint at end of main"
+
+gdb_test "continue" \
+    " end of main .*" \
+    "continue to end of main"
+
+gdb_test "break $end_of_inc_dec_tests" \
+    "Breakpoint $decimal at .* line $end_of_inc_dec_tests\." \
+    "set breakpoint at end of inc_dec_tests"
+
+gdb_test "reverse-continue" \
+    " end inc_dec_tests .*" \
+    "reverse to inc_dec_tests"
+
+#
+# Now reverse step, and check register values.
+#
+
+gdb_test "info reg edi" "edi *$preinc_edi\t.*" "edi before reverse-dec"
+gdb_test "reverse-step" "dec .edi.*" "reverse-step to dec edi"
+gdb_test "info reg edi" "edi *$predec_edi\t.*" "edi after reverse-dec"
+
+gdb_test "info reg esi" "esi *$preinc_esi\t.*" "esi before reverse-dec"
+gdb_test "reverse-step" "dec .esi.*" "reverse-step to dec esi"
+gdb_test "info reg esi" "esi *$predec_esi\t.*" "esi after reverse-dec"
+
+gdb_test "info reg ebp" "ebp *$preinc_ebp\t.*" "ebp before reverse-dec"
+gdb_test "reverse-step" "dec .ebp.*" "reverse-step to dec ebp"
+gdb_test "info reg ebp" "ebp *$predec_ebp\t.*" "ebp after reverse-dec"
+
+gdb_test "info reg esp" "esp *$preinc_esp\t.*" "esp before reverse-dec"
+gdb_test "reverse-step" "dec .esp.*" "reverse-step to dec esp"
+gdb_test "info reg esp" "esp *$predec_esp\t.*" "esp after reverse-dec"
+
+gdb_test "info reg ebx" "ebx *$preinc_ebx\t.*" "ebx before reverse-dec"
+gdb_test "reverse-step" "dec .ebx.*" "reverse-step to dec ebx"
+gdb_test "info reg ebx" "ebx *$predec_ebx\t.*" "ebx after reverse-dec"
+
+gdb_test "info reg edx" "edx *$preinc_edx\t.*" "edx before reverse-dec"
+gdb_test "reverse-step" "dec .edx.*" "reverse-step to dec edx"
+gdb_test "info reg edx" "edx *$predec_edx\t.*" "edx after reverse-dec"
+
+gdb_test "info reg ecx" "ecx *$preinc_ecx\t.*" "ecx before reverse-dec"
+gdb_test "reverse-step" "dec .ecx.*" "reverse-step to dec ecx"
+gdb_test "info reg ecx" "ecx *$predec_ecx\t.*" "ecx after reverse-dec"
+
+gdb_test "info reg eax" "eax *$preinc_eax\t.*" "eax before reverse-dec"
+gdb_test "reverse-step" "dec .eax.*" "reverse-step to dec eax"
+gdb_test "info reg eax" "eax *$predec_eax\t.*" "eax after reverse-dec"
+
+gdb_test "info reg edi" "edi *$predec_edi\t.*" "edi before reverse-inc"
+gdb_test "reverse-step" "inc .edi.*" "reverse-step to inc edi"
+gdb_test "info reg edi" "edi *$preinc_edi\t.*" "edi after reverse-inc"
+
+gdb_test "info reg esi" "esi *$predec_esi\t.*" "esi before reverse-inc"
+gdb_test "reverse-step" "inc .esi.*" "reverse-step to inc esi"
+gdb_test "info reg esi" "esi *$preinc_esi\t.*" "esi after reverse-inc"
+
+gdb_test "info reg ebp" "ebp *$predec_ebp\t.*" "ebp before reverse-inc"
+gdb_test "reverse-step" "inc .ebp.*" "reverse-step to inc ebp"
+gdb_test "info reg ebp" "ebp *$preinc_ebp\t.*" "ebp after reverse-inc"
+
+gdb_test "info reg esp" "esp *$predec_esp\t.*" "esp before reverse-inc"
+gdb_test "reverse-step" "inc .esp.*" "reverse-step to inc esp"
+gdb_test "info reg esp" "esp *$preinc_esp\t.*" "esp after reverse-inc"
+
+gdb_test "info reg ebx" "ebx *$predec_ebx\t.*" "ebx before reverse-inc"
+gdb_test "reverse-step" "inc .ebx.*" "reverse-step to inc ebx"
+gdb_test "info reg ebx" "ebx *$preinc_ebx\t.*" "ebx after reverse-inc"
+
+gdb_test "info reg edx" "edx *$predec_edx\t.*" "edx before reverse-inc"
+gdb_test "reverse-step" "inc .edx.*" "reverse-step to inc edx"
+gdb_test "info reg edx" "edx *$preinc_edx\t.*" "edx after reverse-inc"
+
+gdb_test "info reg ecx" "ecx *$predec_ecx\t.*" "ecx before reverse-inc"
+gdb_test "reverse-step" "inc .ecx.*" "reverse-step to inc ecx"
+gdb_test "info reg ecx" "ecx *$preinc_ecx\t.*" "ecx after reverse-inc"
+
+gdb_test "info reg eax" "eax *$predec_eax\t.*" "eax before reverse-inc"
+gdb_test "reverse-step" "inc .eax.*" "reverse-step to inc eax"
+gdb_test "info reg eax" "eax *$preinc_eax\t.*" "eax after reverse-inc"
+
+