import gdb-1999-07-19 snapshot

6 files changed, 765 insertions, 34 deletions

diff --git a/gdb/testsuite/gdb.base/configure b/gdb/testsuite/gdb.base/configure
index 29e69bf..77d2d14 100644
--- a/gdb/testsuite/gdb.base/configure
+++ b/gdb/testsuite/gdb.base/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.12.1 
+# Generated automatically using autoconf version 2.13 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -333,7 +333,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.12.1"
+    echo "configure generated by autoconf version 2.13"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -451,7 +451,7 @@ echo > confdefs.h
 
 # A filename unique to this package, relative to the directory that
 # configure is in, which we can look for to find out if srcdir is correct.
-ac_unique_file=a1-selftest.exp
+ac_unique_file=gdbvars.exp
 
 # Find the source files, if location was not specified.
 if test -z "$srcdir"; then
@@ -503,9 +503,11 @@ ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+ac_exeext=
+ac_objext=o
 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
   if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
@@ -569,7 +571,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:573: checking host system type" >&5
+echo "configure:575: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -590,7 +592,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:594: checking target system type" >&5
+echo "configure:596: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -608,7 +610,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:612: checking build system type" >&5
+echo "configure:614: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -654,7 +656,7 @@ EOF
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
 (set) 2>&1 |
-  case `(ac_space=' '; set) 2>&1 | grep ac_space` in
+  case `(ac_space=' '; set | grep ac_space) 2>&1` in
   *ac_space=\ *)
     # `set' does not quote correctly, so add quotes (double-quote substitution
     # turns \\\\ into \\, and sed turns \\ into \).
@@ -733,7 +735,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.12.1"
+    echo "$CONFIG_STATUS generated by autoconf version 2.13"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -756,6 +758,7 @@ s%@SHELL@%$SHELL%g
 s%@CFLAGS@%$CFLAGS%g
 s%@CPPFLAGS@%$CPPFLAGS%g
 s%@CXXFLAGS@%$CXXFLAGS%g
+s%@FFLAGS@%$FFLAGS%g
 s%@DEFS@%$DEFS%g
 s%@LDFLAGS@%$LDFLAGS%g
 s%@LIBS@%$LIBS%g
diff --git a/gdb/testsuite/gdb.base/configure.in b/gdb/testsuite/gdb.base/configure.in
index e5bcb19..7c4e397 100644
--- a/gdb/testsuite/gdb.base/configure.in
+++ b/gdb/testsuite/gdb.base/configure.in
@@ -5,7 +5,7 @@ dnl script appropriate for this directory.  For more information, check
 dnl any existing configure script.
 
 AC_PREREQ(2.5)
-AC_INIT(a1-selftest.exp)
+AC_INIT(gdbvars.exp)
 
 CC=${CC-cc}
 AC_SUBST(CC)
diff --git a/gdb/testsuite/gdb.base/maint.exp b/gdb/testsuite/gdb.base/maint.exp
index ba59ed1..29e3134 100644
--- a/gdb/testsuite/gdb.base/maint.exp
+++ b/gdb/testsuite/gdb.base/maint.exp
@@ -176,29 +176,41 @@ gdb_expect  {
         }
 
 send_gdb "maint print objfiles\n"
+
 # To avoid timeouts, we avoid expects with many .* patterns that match
-# many lines.
-gdb_expect  {
-    -re ".*Object file.*break:  Objfile at $hex, bfd at $hex, \[0-9\]* minsyms\[\r\t \]+\n"
-                            { pass "maint print objfiles: header" }
-    -re ".*$gdb_prompt $"   { fail "maint print objfiles: header" }
-    timeout                 { fail "(timeout) maint print objfiles: header" }
-}
-gdb_expect {
-    -re ".*Psymtabs:\[\r\t \]+\n" { pass "maint print objfiles: psymtabs" }
-    -re ".*$gdb_prompt $"         { fail "maint print objfiles: psymtabs" }
-    timeout                { fail "(timeout) maint print objfiles: psymtabs" }
-}
-gdb_expect {
-    -re ".*Symtabs:\[\r\t \]+\n"  { pass "maint print objfiles: symtabs" }
-    -re ".*$gdb_prompt $"         { fail "maint print objfiles: symtabs" }
-    timeout                { fail "(timeout) maint print objfiles: symtabs" }
+# many lines.  Instead, we keep track of which milestones we've seen
+# in the output, and stop when we've seen all of them.
+
+set header 0
+set psymtabs 0
+set symtabs 0
+set keep_looking 1
+
+while {$keep_looking} {
+    gdb_expect  {
+
+	-re ".*Object file.*break:  Objfile at $hex, bfd at $hex, \[0-9\]* minsyms\[\r\t \]+\n" { set header 1 }
+	-re ".*Psymtabs:\[\r\t \]+\n" { set psymtabs 1 }
+	-re ".*Symtabs:\[\r\t \]+\n" { set symtabs 1 }
+
+	-re ".*$gdb_prompt $" { 
+	    set keep_looking 0
+	}
+	timeout { 
+	    fail "(timeout) maint print objfiles" 
+	    set keep_looking 0
+	}
+    }
 }
-gdb_expect {
-    -re ".*$gdb_prompt $"   { pass "maint print objfiles: prompt" }
-    timeout                 { fail "(timeout) maint print objfiles: prompt" }
+
+proc maint_pass_if {val name} {
+    if $val { pass $name } else { fail $name }
 }
 
+maint_pass_if $header   "maint print objfiles: header"
+maint_pass_if $psymtabs "maint print objfiles: psymtabs"
+maint_pass_if $symtabs  "maint print objfiles: symtabs"
+
 send_gdb "maint print psymbols\n"
 gdb_expect  {
         -re "print-psymbols takes an output file name and optional symbol file name.*$gdb_prompt $"\
@@ -282,6 +294,13 @@ gdb_expect  {
         timeout         { fail "(timeout) maint print symbols w/o args" }
         }
 
+# This command can legitimately take many minutes to execute.  If the
+# executable is dynamically linked, then you get all the debugging
+# info for the entire library --- 89Mb on my system.  -jimb
+
+set old_timeout $timeout
+set timeout 600
+
 send_gdb "maint print symbols symbols_output\n"
 gdb_expect  {
         -re "^maint print symbols symbols_output\r\n$gdb_prompt $"\
@@ -291,7 +310,7 @@ gdb_expect  {
                 -re "symbols_output\r\n$gdb_prompt $"\
                  {
 	          # See comments for `maint print psymbols'.
-                  send_gdb "shell grep 'main.*block' symbols_output\n"
+                  send_gdb "shell grep 'main(.*block' symbols_output\n"
                   gdb_expect {
                         -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $"\
                                                { pass "maint print symbols" }
@@ -309,6 +328,7 @@ gdb_expect  {
         timeout         { fail "(timeout) maint print symbols" }
         }
 
+set timeout $old_timeout
 
 send_gdb "maint print type argc\n"
 gdb_expect  {
@@ -356,7 +376,9 @@ gdb_expect {
 }
 
 # Try it again, and check for shlib event info.  Not supported everywhere.
-if {! [istarget "hppa*-*-hpux*"]} then {
+if {! ([istarget "hppa*-*-hpux*"] 
+       || [istarget "*-*-linux*"]
+       || [istarget "*-*-solaris*"])} then {
     setup_xfail "*-*-*"
 }
 send_gdb "maint info breakpoints\n"
diff --git a/gdb/testsuite/gdb.base/pointers.c b/gdb/testsuite/gdb.base/pointers.c
index 8cac2c2..60e6444 100644
--- a/gdb/testsuite/gdb.base/pointers.c
+++ b/gdb/testsuite/gdb.base/pointers.c
@@ -97,7 +97,9 @@ int main ()
   v_unsigned_int_pointer = v_double_pointer;
   
   v_unsigned_int_pointer = v_unsigned_int;*/
-  
+
+  more_code ();
+
   return 0;
   
 }
@@ -172,5 +174,49 @@ void dummy()
 
 }
 
+void marker1 ()
+{
+}
 
-
+int more_code()
+{
+    char C, *pC, **ppC, ***pppC, ****ppppC, *****pppppC, ******ppppppC;
+    unsigned char UC, *pUC;
+    short S, *pS;
+    unsigned short US, *pUS;
+    int I, *pI;
+    unsigned int UI, *pUI;
+    long L, *pL;
+    unsigned long UL, *pUL;
+    float F, *pF;
+    double D, *pD;
+
+    C = 'A';
+    UC = 21;
+    S = -14;
+    US = 7;
+    I = 102;
+    UI = 1002;
+    L = -234;
+    UL = 234;
+    F = 1.25E10;
+    D = -1.375E-123;
+    pC = &C;
+    ppC = &pC;
+    pppC = &ppC;
+    ppppC = &pppC;
+    pppppC = &ppppC;
+    ppppppC = &pppppC;
+    pUC = &UC;
+    pS = &S;
+    pUS = &US;
+    pI = &I;
+    pUI = &UI;
+    pL = &L;
+    pUL = &UL;
+    pF = &F;
+    pD = &D;
+    
+    marker1();
+    return 0;
+}
diff --git a/gdb/testsuite/gdb.base/pointers.exp b/gdb/testsuite/gdb.base/pointers.exp
index 6b9f135..bccda66 100644
--- a/gdb/testsuite/gdb.base/pointers.exp
+++ b/gdb/testsuite/gdb.base/pointers.exp
@@ -62,7 +62,7 @@ if ![runto_main] then {
     continue
 }
 
-gdb_test "next" "return 0;" "continuing after dummy()"
+gdb_test "next" "" "continuing after dummy()"
 
 
 #
@@ -359,3 +359,233 @@ gdb_expect {
     -re ".*$gdb_prompt $" { fail "print through ptr to ptr" }
     timeout           { fail "(timeout) print through ptr to ptr" }    
   }
+
+# tests for pointers 
+# with elementary type variables and pointers.
+# 
+
+send_gdb "break marker1\n" ; gdb_expect -re ".*$gdb_prompt $"
+
+    send_gdb "cont\n"
+    gdb_expect {
+        -re "Break.* marker1 \\(\\) at .*:$decimal.*$gdb_prompt $" {
+            send_gdb "up\n"
+            gdb_expect {
+                -re ".*$gdb_prompt $" {}
+                timeout { fail "up from marker1" }
+            }
+        }
+        -re "$gdb_prompt $" { fail "continue to marker1"  }
+        timeout { fail "(timeout) continue to marker1"  }
+    }
+
+
+send_gdb "print *pUC\n"
+gdb_expect {
+    -re ".\[0-9\]* = 21 \'.025\'.*$gdb_prompt $" {
+        pass "print value of *pUC"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pUC" }
+    timeout           { fail "(timeout) print value of *pUC" }
+  }
+
+
+send_gdb "ptype pUC\n"
+gdb_expect {
+    -re "type = unsigned char \\*.*$gdb_prompt $"  { pass "ptype pUC" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pUC" }
+    timeout             { fail "(timeout) ptype pUC" }
+}
+
+send_gdb "print *pS\n"
+gdb_expect {
+    -re ".\[0-9\]* = -14.*$gdb_prompt $" {
+        pass "print value of *pS"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pS" }
+    timeout           { fail "(timeout) print value of *pS" }
+  }
+
+
+send_gdb "ptype pS\n"
+gdb_expect {
+    -re "type = short \\*.*$gdb_prompt $"  { pass "ptype pS" }
+    -re "type = short int \\*.*$gdb_prompt $"  { pass "ptype pS" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pS" }
+    timeout             { fail "(timeout) ptype pS" }
+}
+
+send_gdb "print *pUS\n"
+gdb_expect {
+    -re ".\[0-9\]* = 7.*$gdb_prompt $" {
+        pass "print value of *pUS"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pUS" }
+    timeout           { fail "(timeout) print value of *pUS" }
+  }
+
+
+send_gdb "ptype pUS\n"
+gdb_expect {
+    -re "type = unsigned short \\*.*$gdb_prompt $"  { pass "ptype pUS" }
+    -re "type = short unsigned int \\*.*$gdb_prompt $"  { pass "ptype pUS" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pUS" }
+    timeout             { fail "(timeout) ptype pUS" }
+}
+
+send_gdb "print *pI\n"
+gdb_expect {
+    -re ".\[0-9\]* = 102.*$gdb_prompt $" {
+        pass "print value of *pI"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pI" }
+    timeout           { fail "(timeout) print value of *pI" }
+  }
+
+
+send_gdb "ptype pI\n"
+gdb_expect {
+    -re "type = int \\*.*$gdb_prompt $"  { pass "ptype pI" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pI" }
+    timeout             { fail "(timeout) ptype pI" }
+}
+
+send_gdb "print *pUI\n"
+gdb_expect {
+    -re ".\[0-9\]* = 1002.*$gdb_prompt $" {
+        pass "print value of *pUI"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pUI" }
+    timeout           { fail "(timeout) print value of *pUI" }
+  }
+
+
+send_gdb "ptype pUI\n"
+gdb_expect {
+    -re "type = unsigned int \\*.*$gdb_prompt $"  { pass "ptype pUI" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pUI" }
+    timeout             { fail "(timeout) ptype pUI" }
+}
+
+send_gdb "print *pL\n"
+gdb_expect {
+    -re ".\[0-9\]* = -234.*$gdb_prompt $" {
+        pass "print value of *pL"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pL" }
+    timeout           { fail "(timeout) print value of *pL" }
+  }
+
+
+send_gdb "ptype pL\n"
+gdb_expect {
+    -re "type = long \\*.*$gdb_prompt $"  { pass "ptype pL" }
+    -re "type = long int \\*.*$gdb_prompt $"  { pass "ptype pL" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pL" }
+    timeout             { fail "(timeout) ptype pL" }
+}
+
+send_gdb "print *pUL\n"
+gdb_expect {
+    -re ".\[0-9\]* = 234.*$gdb_prompt $" {
+        pass "print value of *pUL"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pUL" }
+    timeout           { fail "(timeout) print value of *pUL" }
+  }
+
+
+send_gdb "ptype pUL\n"
+gdb_expect {
+    -re "type = unsigned long \\*.*$gdb_prompt $"  { pass "ptype pUL" }
+    -re "type = long unsigned int \\*.*$gdb_prompt $"  { pass "ptype pUL" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pUL" }
+    timeout             { fail "(timeout) ptype pUL" }
+}
+
+send_gdb "print *pF\n"
+gdb_expect {
+    -re ".\[0-9\]* = 1.2\[0-9\]*e\\+10.*$gdb_prompt $" {
+        pass "print value of *pF"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pF" }
+    timeout           { fail "(timeout) print value of *pF" }
+  }
+
+
+send_gdb "ptype pF\n"
+gdb_expect {
+    -re "type = float \\*.*$gdb_prompt $"  { pass "ptype pF" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pF" }
+    timeout             { fail "(timeout) ptype pF" }
+}
+
+send_gdb "print *pD\n"
+gdb_expect {
+    -re ".\[0-9\]* = -1.375e-123.*$gdb_prompt $" {
+        pass "print value of *pD"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of *pD" }
+    timeout           { fail "(timeout) print value of *pD" }
+  }
+
+
+send_gdb "ptype pD\n"
+gdb_expect {
+    -re "type = double \\*.*$gdb_prompt $"  { pass "ptype pD" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pD" }
+    timeout             { fail "(timeout) ptype pD" }
+}
+
+send_gdb "print ******ppppppC\n"
+gdb_expect {
+    -re ".\[0-9\]* = 65 \'A\'.*$gdb_prompt $" {
+        pass "print value of ******ppppppC"
+      }
+    -re ".*$gdb_prompt $" { fail "print value of ******ppppppC" }
+    timeout           { fail "(timeout) print value of ******ppppppC" }
+  }
+
+
+send_gdb "ptype pC\n"
+gdb_expect {
+    -re "type = char \\*.*$gdb_prompt $"  { pass "ptype pC" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pC" }
+    timeout             { fail "(timeout) ptype pC" }
+}
+
+send_gdb "ptype ppC\n"
+gdb_expect {
+    -re "type = char \\*\\*.*$gdb_prompt $"  { pass "ptype ppC" }
+    -re ".*$gdb_prompt $"   {  fail "ptype ppC" }
+    timeout             { fail "(timeout) ptype ppC" }
+}
+
+send_gdb "ptype pppC\n"
+gdb_expect {
+    -re "type = char \\*\\*\\*.*$gdb_prompt $"  { pass "ptype  pppC" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pppC" }
+    timeout             { fail "(timeout) ptype pppC" }
+}
+
+send_gdb "ptype ppppC\n"
+gdb_expect {
+    -re "type = char \\*\\*\\*\\*.*$gdb_prompt $"  { pass "ptype ppppC" }
+    -re ".*$gdb_prompt $"   {  fail "ptype ppppC" }
+    timeout             { fail "(timeout) ptype ppppC" }
+}
+
+send_gdb "ptype pppppC\n"
+gdb_expect {
+    -re "type = char \\*\\*\\*\\*\\*.*$gdb_prompt $"  { pass "ptype pppppC" }
+    -re ".*$gdb_prompt $"   {  fail "ptype pppppC" }
+    timeout             { fail "(timeout) ptype pppppC" }
+}
+
+send_gdb "ptype ppppppC\n"
+gdb_expect {
+    -re "type = char \\*\\*\\*\\*\\*\\*.*$gdb_prompt $"  { pass "ptype ppppppC" }
+    -re ".*$gdb_prompt $"   {  fail "ptype ppppppC" }
+    timeout             { fail "(timeout) ptype ppppppC" }
+}
+
diff --git a/gdb/testsuite/gdb.base/selftest.exp b/gdb/testsuite/gdb.base/selftest.exp
new file mode 100644
index 0000000..c0d17c8
--- /dev/null
+++ b/gdb/testsuite/gdb.base/selftest.exp
@@ -0,0 +1,430 @@
+#   Copyright (C) 1988, 1990, 1991, 1992, 1994, 1997 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 2 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+
+# This file was written by Rob Savoye. (rob@cygnus.com)
+
+if $tracelevel then {
+    strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+# are we on a target board
+if [is_remote target] {
+    return
+}
+
+if [istarget "m68k*-*-hpux*"] then {
+    # The top-level makefile passes CFLAGS= (no -g) for hp300.  This probably
+    # should be fixed (it is only needed for gcc bootstrapping, not gdb),
+    # but until then.....
+    setup_xfail "*-*-*"
+    fail "cannot test self if compiled without debug info"
+    return -1
+}
+
+# Not all of the lines of code near the start of main are executed for
+# every machine.  Also, optimization may reorder some of the lines.
+# So all we do is try to step or next over everything until we get
+# to a line that we know is always executed.
+
+proc do_steps_and_nexts {} {
+    global gdb_prompt
+    global srcdir
+ 
+    gdb_reinitialize_dir $srcdir/..
+
+    for {set count 0} {$count < 20} {incr count} {
+	send_gdb "list\n"
+	gdb_expect {
+	    -re ".*symarg = NULL.*$gdb_prompt $" {
+		set description "step over symarg initialization"
+		set command "step"
+	    }
+	    -re ".*execarg = NULL.*$gdb_prompt $" {
+		set description "step over execarg initialization"
+		set command "step"
+	    }
+	    -re ".*corearg = NULL.*$gdb_prompt $" {
+		set description "step over corearg initialization"
+		set command "step"
+	    }
+	    -re ".*cdarg = NULL.*$gdb_prompt $" {
+		set description "step over cdarg initialization"
+		set command "step"
+	    }
+	    -re ".*ttyarg = NULL.*$gdb_prompt $" {
+		set description "step over ttyarg initialization"
+		set command "step"
+	    }
+	    -re ".*interparg = NULL.*$gdb_prompt $" {
+		set description "step over interparg initialization"
+		set command "step"
+	    }
+	    -re ".*time_at_startup = get_run_time.*$gdb_prompt $" {
+		set description "next over get_run_time and everything it calls"
+		set command "next"
+	    }
+	    -re ".*START_PROGRESS.*$gdb_prompt $" {
+		set description "next over START_PROGRESS and everything it calls"
+		set command "next"
+	    }
+	    -re ".*mac_init.*$gdb_prompt $" {
+		set description "next over mac_init and everything it calls"
+		set command "next"
+	    }
+	    -re ".*init_malloc.*$gdb_prompt $" {
+		set description "next over init_malloc and everything it calls"
+		set command "next"
+	    }
+	    -re ".*count . 0x3.*$gdb_prompt $" {
+		set description "next over conditional stack alignment code 1"
+		set command "next"
+	    }
+	    -re ".*if .i != 0.*$gdb_prompt $" {
+		set description "next over conditional stack alignment code 2"
+		set command "next"
+	    }
+	    -re ".*alloca .i - 4.*$gdb_prompt $" {
+		set description "next over conditional stack alignment alloca"
+		set command "next"
+	    }
+	    -re ".*SET_TOP_LEVEL.*$gdb_prompt $" {
+		set description "next over SET_TOP_LEVEL call"
+		set command "next"
+	    }
+	    -re ".*cmdsize = 1.*$gdb_prompt $" {
+		set description "step over cmdsize initialization"
+		set command "next"
+	    }
+	    -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
+		set description "next over cmdarg initialization via xmalloc"
+		set command "next"
+	    }
+	    -re ".*ncmd = 0.*$gdb_prompt $" {
+		set description "next over ncmd initialization"
+		set command "next"
+	    }
+	    -re ".*dirsize = 1.*$gdb_prompt $" {
+		set description "next over dirsize initialization"
+		set command "next"
+	    }
+	    -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
+		return
+	    }
+	    -re "\[ \t\]+\{\r\n$gdb_prompt $" {
+		setup_xfail "mips-*-irix5*"
+		fail "$description ended up at odd location"
+	    }
+	    -re ".*main.c.*No such file or directory.*$gdb_prompt $" {
+		setup_xfail "rs6000-*-aix3*"
+		fail "must be able to list source lines"
+		return
+	    }
+	    -re ".*$gdb_prompt $" {
+		fail "unknown source line after $description"
+		return
+	    }
+	    default {
+		fail "unknown source line near main"
+		return
+	    }
+	}
+	send_gdb "$command\n"
+	gdb_expect {
+	    -re ".*No such file or directory.\r\n$gdb_prompt $" {
+		fail "$description (no source available)"
+	    }
+	    -re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" {
+		fail "$description (no source available)"
+	    }
+	    -re ".*$gdb_prompt $" {
+		pass "$description"
+	    }
+	    timeout {
+		fail "$description (timeout)"
+	    }
+	}
+    }
+}
+
+proc test_with_self { executable } {
+    global gdb_prompt
+    global tool
+    global det_file
+    global decimal
+    global timeout
+
+    # load yourself into the debugger
+    # This can take a relatively long time, particularly for testing where
+    # the executable is being accessed over a network, or where gdb does not
+    # support partial symbols for a particular target and has to load the
+    # entire symbol table.  Set the timeout to 10 minutes, which should be
+    # adequate for most environments (it *has* timed out with 5 min on a
+    # SPARCstation SLC under moderate load, so this isn't unreasonable).
+    # After gdb is started, set the timeout to 30 seconds for the duration
+    # of this test, and then back to the original value.
+
+    set oldtimeout $timeout
+    set timeout 600
+    verbose "Timeout is now $timeout seconds" 2
+    if {[gdb_load $executable] <0} then {
+	set timeout $oldtimeout
+	verbose "Timeout is now $timeout seconds" 2
+	return -1
+    }
+    set timeout $oldtimeout
+    verbose "Timeout is now $timeout seconds" 2
+
+    # disassemble yourself
+    gdb_test "x/10i main" \
+	    "x/10i.*main.*main.$decimal.*main.$decimal.*" \
+	    "Disassemble main"
+
+    # Set a breakpoint at main
+    gdb_test "break main" \
+	    "Breakpoint.*at.* file.*, line.*" \
+	    "breakpoint in main"
+
+    # We'll need this when we send a ^C to GDB.  Need to do it before we
+    # run the program and gdb starts saving and restoring tty states.
+    # On Ultrix, we don't need it and it is really slow (because shell_escape
+    # doesn't use vfork).
+    if ![istarget "*-*-ultrix*"] then {
+	gdb_test "shell stty intr '^C'" "" \
+	    "set interrupt character in test_with_self"
+    }
+
+    # FIXME: If we put this after the run to main, the first list
+    # command doesn't print the same line as the current line where
+    # gdb is stopped.
+    gdb_test "set listsize 1" "" "set listsize to 1"
+
+    # run yourself
+    # It may take a very long time for the inferior gdb to start (lynx),
+    # so we bump it back up for the duration of this command.
+    set timeout 600
+
+    set description "run until breakpoint at main"
+    send_gdb "run -nw\n"
+    gdb_expect {
+	-re "Starting program.*Breakpoint \[0-9\]+,.*main .argc.*argv.* at .*main.c:.*$gdb_prompt $" {
+	    pass "$description"
+	}
+	-re "Starting program.*Breakpoint \[0-9\]+,.*main .argc.*argv.*$gdb_prompt $" {
+	    xfail "$description (line numbers scrambled?)"
+	}
+	-re "vfork: No more processes.*$gdb_prompt $" {
+	    fail "$description (out of virtual memory)"
+	    set timeout $oldtimeout
+	    verbose "Timeout is now $timeout seconds" 2
+	    return -1
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "$description"
+	    set timeout $oldtimeout
+	    verbose "Timeout is now $timeout seconds" 2
+	    return -1
+	}
+	timeout {
+	    fail "$description (timeout)"
+	}
+    }
+
+    set timeout $oldtimeout
+    verbose "Timeout is now $timeout seconds" 2
+
+    # do we have a version number ?
+    send_gdb "print version\n"
+    gdb_expect {
+	-re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" {
+	    pass "printed version"
+	}
+	-re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" {
+	    pass "printed version with cast"
+	}
+	-re ".*$gdb_prompt $"	{ fail "printed version" }
+	timeout		{ fail "(timeout) printed version" }
+    }
+
+    do_steps_and_nexts
+
+    gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
+
+    # do_steps_and_nexts left us ready to execute an xmalloc call,
+    # so give that a try.
+    # If we don't actually enter the xmalloc call when we give a
+    # step command that seems like a genuine bug.  It seems to happen
+    # on most RISC processors.
+    setup_xfail "alpha-*-*" "mips-*-*"
+    set description "step into xmalloc call"
+    send_gdb "step\n"
+    gdb_expect {
+	-re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" {
+	    pass "$description"
+	}
+	-re ".*No such file or directory.\r\n$gdb_prompt $" {
+	    pass "$description (no source available)"
+	}
+	-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
+	    pass "$description (no source available)"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "$description"
+	}
+	timeout {
+	    fail "$description (timeout)"
+	}
+    }
+
+    # start the "xgdb" process
+    send_gdb "continue\n"
+    gdb_expect {
+	-re "GNU gdb \[0-9\.\]*.*
+Copyright \[0-9\]* Free Software Foundation, Inc.*
+GDB is free software, covered by the GNU General Public License, and you are.*
+welcome to change it and/or distribute copies of it under certain conditions.*
+Type \"show copying\" to see the conditions.*
+There is absolutely no warranty for GDB.  Type \"show warranty\" for details.*
+This GDB was configured as .*$gdb_prompt $"\
+	    { pass "xgdb is at prompt" }
+	-re "GDB is free software and you are welcome to distribute copies of it.*
+ under certain conditions; type \"show copying\" to see the conditions..*
+There is absolutely no warranty for GDB; type \"show warranty\" for details..*
+GDB.*Copyright \[0-9\]+ Free Software Foundation, Inc..*$gdb_prompt $"\
+	    { pass "xgdb is at prompt (obsolescent gdb)" }
+	-re ".*$gdb_prompt $"       { fail "xgdb is at prompt" }
+	timeout	            { fail "(timeout) xgdb is at prompt" }
+    }
+    
+    # set xgdb prompt so we can tell which is which
+    send_gdb "set prompt (xgdb) \n"
+    gdb_expect {
+	-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $"	{ pass "Set xgdb prompt" }
+	-re ".*$gdb_prompt $"		{ fail "Set xgdb prompt" }
+	default				{ fail "(timeout) Set xgdb prompt" }
+    }
+    
+    # kill the xgdb process
+    set description "send ^C to child process"
+    send_gdb "\003"
+    gdb_expect {
+	-re "Program received signal SIGINT.*$gdb_prompt $" {
+	    pass "$description"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "$description"
+	}
+	timeout {
+	    fail "$description (timeout)"
+	}
+    }
+    
+    set description "send SIGINT signal to child process"
+    send_gdb "signal SIGINT\n"
+    gdb_expect {
+	-re "Continuing with signal SIGINT.*$gdb_prompt $" {
+	    pass "$description"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "$description"
+	}
+	timeout {
+	    fail "$description (timeout)"
+	}
+    }
+    
+    # get a stack trace
+    #
+    # This fails on some linux systems for unknown reasons.  On the
+    # systems where it fails, sometimes it works fine when run manually.
+    # The testsuite failures may not be limited to just aout systems.
+    setup_xfail "i*86-pc-linuxaout-gnu" "hppa*-*-hpux*"
+    set description "backtrace through signal handler"
+    send_gdb "backtrace\n"
+    gdb_expect {
+	-re "#0.*read.*in main \\(.*\\) at .*main\\.c.*$gdb_prompt $" {
+	    pass "$description"
+	}
+	-re ".*$gdb_prompt $" {
+	    # On the alpha, we hit the infamous problem about gdb
+	    # being unable to get the frame pointer (mentioned in
+	    # gdb/README).  As it is intermittent, there is no way to
+	    # XFAIL it which will give us an XPASS if the problem goes
+	    # away.
+	    setup_xfail "alpha*-*-osf*"
+	    fail "$description"
+	}
+	timeout {
+	    fail "$description (timeout)"
+	}
+    }
+
+
+    # Set the timeout back to the value it had when we were called.
+    set timeout $oldtimeout
+    verbose "Timeout is now $timeout seconds" 2
+
+    # Restart gdb in case next test expects it to be started already.
+    return 0
+}
+
+# Find a pathname to a file that we would execute if the shell was asked
+# to run $arg using the current PATH.
+
+proc find_gdb { arg } {
+
+    # If the arg directly specifies an existing executable file, then
+    # simply use it.
+
+    if [file executable $arg] then {
+	return $arg
+    }
+
+    set result [which $arg]
+    if [string match "/" [ string range $result 0 0 ]] then {
+	return $result
+    }
+
+    # If everything fails, just return the unqualified pathname as default
+    # and hope for best.
+
+    return $arg
+}
+
+# Run the test with self.
+# Copy the file executable file in case this OS doesn't like to edit its own
+# text space.
+
+set GDB_FULLPATH [find_gdb $GDB]
+
+# Remove any old copy lying around.
+remote_file host delete x$tool
+
+gdb_start
+set file [remote_download host $GDB_FULLPATH x$tool]
+set result [test_with_self $file];
+gdb_exit;
+catch "remote_file host delete $file";
+
+if {$result <0} then {
+    warning "Couldn't test self"
+    return -1
+}