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Re: Proposed patch for gdb/mi 741


"J. Johnston" wrote:
> 
> Elena Zannoni wrote:
> >
> > J. Johnston writes:
> >  > Elena Zannoni wrote:
> >  > >
> >  > > J. Johnston writes:
> >  > >  > The following solves a number of problems with the mi -environment commands.
> >  > >  > For starters, each command now has an mi cmd wrapper so arguments may use the
> >  > >  > syntax of adding double-quotes to handle extraneous characters such as spaces.
> >  > >  >
> >  > >  > The -environment-pwd command now lists the output in mi syntax:
> >  > >  >
> >  > >  > e.g.
> >  > >  > -environment-pwd
> >  > >  > ^done,cwd="...."
> >  > >  >
> >  > >  > The -environment-directory command has been changed to output in mi format.
> >  > >  > It also has been changed to allow for no arguments being passed.
> >  > >  > If no arguments are passed, it behaves like the gdb dir command and resets the
> >  > >  > source search path to the default, however, no confirmation query is performed.  If an empty
> >  > >  > string "" is passed, it is ignored so this can be used to display the current
> >  > >  > search path without modifying it.
> >  > >  >
> >  > >  > e.g.
> >  > >  > -environment-directory /usr/bin /usr/local/bin
> >  > >  > ^done,source-path="/usr/bin:/usr/local/bin:$cdir:$cwd"
> >  > >  >
> >  > >  > The -environment-path command has been changed to output in mi format.
> >  > >  > It also has been changed to allow for no arguments being passed.  When
> >  > >  > no arguments are passed, the current object search path is displayed.
> >  > >  >
> >  > >  > e.g.
> >  > >  > -environment-path
> >  > >  > ^done,path="....."
> >  > >  >
> >  > >  > For mi1 or below, the previous behavior is preserved by rerouting the commands
> >  > >  > to their old cli counterparts.
> >  > >
> >  > > Hmmm, I think the testsuite changes are ok.  Also the addition of the
> >  > > new file is fine. However I don't think we should be duplicating the
> >  > > mod_path() code. Would it be possible to maybe split mod_path() in 2
> >  > > or more functions, and have MI call one of them?
> >  > > I mean
> >  > >
> >  > > mod_path()
> >  > > {
> >  > >  do_cli_specific_stuff;
> >  > >  call add_path(args1);
> >  > > ....
> >  > > }
> >  > >
> >  > > mi_env_path()
> >  > > {
> >  > >   do_mi_specific_stuff;
> >  > >   call add_path(args2);
> >  > > .....
> >  > > }
> >  > >
> >  > > similarly for other code that may have been duplicated.
> >  > >
> >  > > Thanks
> >  > > Elena
> >  >
> >  > I have taken your advice and have added a new interface: add_path which takes
> >  > an additional argument.  The mod_path() routine calls it one way, the mi code
> >  > calls it another.  Of the other code I copied, there is no value add in trying
> >  > to make it common as I copied a few lines here and there.
> >  >
> >  > I found I had to modify the tilde_expand() prototype in defs.h to get my
> >  > build working.  I have a combined source tree and there was a conflict with
> >  > tilde.h found in the readline directory.  The defs.h prototype was not
> >  > declaring the argument as const.
> >  >
> >
> > Ah, right. readline has changed tilde_expand. You must have a newer
> > version of realine installed?  We cannot make that change yet, because
> > we need to build with the readline in our source tree, unfortunately.
> > But the upgrade of readline is coming soon. (which reminds me...)
> >
> 
> Ok, maybe I am bit confused.  I thought the readline directory containing the
> header file is from my latest sourceware gdb checkout.
> 
> > I don't like one minor thing. The inconsistent meaning of the 'no argument'
> > for env-path and env-dir. I would think it would be more intuitive if both
> > would behave the same w/o argument: display the current values.
> > Maybe have a "--reset" or something like that to restore the defaults?
> > (suggestions welcome).
> >
> 
> The proposed behavior is mimicking the gdb command line which resets
> when you do a dir with no arguments (sans prompt) and shows the current
> path when you do a path with no arguments.  I have no problem with
> adding an option to the env-dir command to make it a more explicit operation.
> 
> > Otherwise the patch is ok, except for a couple of little things. The
> > comments. They need to start with a capital letter and end with a
> > period, and 2 spaces after periods. (I know, it's a pain) No externs
> > in .c files: include inferior.h (update Makefile) and add source_path
> > to defs.h.
> >
> 
> Done.  I will resubmit when I add the reset option and
> yes, I will remember to put the PR number in the ChangeLogs.
> 

Ok, hopefully the last iteration of this.  Eli, the doc has changed because
of the new reset option.

gdb/ChangeLog:

2002-11-11  Jeff Johnston  <jjohnstn@redhat.com>

        * defs.h (init_last_source_visited): New prototype.
        (add_path): Ditto.
        * source.c (add_path): New function that adds to a specified path.
        (mod_path): Change to call add_path.
        (init_last_source_visited): New function to allow interfaces to 
        initialize static variable: last_source_visited.  Part of fix
	for PR gdb/741.
	* Makefile.in: Add support for mi/mi-cmd-env.c.
	
gdb/mi/ChangeLog:

2002-11-11  Jeff Johnston  <jjohnstn@redhat.com>
 
        * mi-cmds.c (-environment-directory) Change to use mi_cmd_env_dir,
        (-environment-cd): Change to use mi_cmd_env_cd,.
        (-environment-pwd): Change to use mi_cmd_env_pwd.
        (-environment-path): Change to use mi_cmd_env_path.
        * mi-cmds.h (mi_cmd_env_cd, mi_cmd_env_dir): New prototypes.
        (mi_cmd_env_path, mi_cmd_env_pwd): Ditto.
        * mi-cmd-env.c: New file.  Part of fix for PR gdb/741.
        * gdbmi.texinfo (environment-cd): Update output and example.
        (environment-pwd): Ditto.
        (environment-dir): Update output, description, and examples.
        (environment-path): Ditto.
  
gdb/testsuite/gdb.mi/ChangeLog:
  
2002-11-11  Jeff Johnston  <jjohnstn@redhat.com>
 
        * mi-basics.exp: Change tests for -environment-directory.  Also add
        tests for -environment-cd and -environment-pwd.  Part of fix for
        PR gdb/741.
Index: defs.h
===================================================================
RCS file: /cvs/src/src/gdb/defs.h,v
retrieving revision 1.102
diff -u -r1.102 defs.h
--- defs.h	15 Oct 2002 02:16:51 -0000	1.102
+++ defs.h	9 Nov 2002 00:33:14 -0000
@@ -572,9 +572,15 @@
 
 extern void mod_path (char *, char **);
 
+extern void add_path (char *, char **, int);
+
 extern void directory_command (char *, int);
 
+extern char *source_path;
+
 extern void init_source_path (void);
+
+extern void init_last_source_visited (void);
 
 extern char *symtab_to_filename (struct symtab *);
 
Index: source.c
===================================================================
RCS file: /cvs/src/src/gdb/source.c,v
retrieving revision 1.36
diff -u -r1.36 source.c
--- source.c	24 Oct 2002 21:02:53 -0000	1.36
+++ source.c	9 Nov 2002 00:33:14 -0000
@@ -357,6 +357,12 @@
   forget_cached_source_info ();
 }
 
+void
+init_last_source_visited (void)
+{
+  last_source_visited = NULL;
+}
+
 /* Add zero or more directories to the front of the source path.  */
 
 void
@@ -387,6 +393,18 @@
 void
 mod_path (char *dirname, char **which_path)
 {
+  add_path (dirname, which_path, 1);
+}
+
+/* Workhorse of mod_path.  Takes an extra argument to determine
+   if dirname should be parsed for separators that indicate multiple
+   directories.  This allows for interfaces that pre-parse the dirname
+   and allow specification of traditional separator characters such
+   as space or tab. */
+
+void
+add_path (char *dirname, char **which_path, int parse_separators)
+{
   char *old = *which_path;
   int prefix = 0;
 
@@ -403,9 +421,16 @@
       struct stat st;
 
       {
-	char *separator = strchr (name, DIRNAME_SEPARATOR);
-	char *space = strchr (name, ' ');
-	char *tab = strchr (name, '\t');
+	char *separator = NULL;
+	char *space = NULL;
+	char *tab = NULL;
+
+	if (parse_separators)
+	  {
+	    separator = strchr (name, DIRNAME_SEPARATOR);
+	    space = strchr (name, ' ');
+	    tab = strchr (name, '\t');
+	  }
 
 	if (separator == 0 && space == 0 && tab == 0)
 	  p = dirname = name + strlen (name);
@@ -536,7 +561,8 @@
 	    tinybuf[0] = DIRNAME_SEPARATOR;
 	    tinybuf[1] = '\0';
 
-	    /* If we have already tacked on a name(s) in this command,                     be sure they stay on the front as we tack on some more.  */
+	    /* If we have already tacked on a name(s) in this command, be sure they stay 
+	       on the front as we tack on some more.  */
 	    if (prefix)
 	      {
 		char *temp, c;
Index: Makefile.in
===================================================================
RCS file: /cvs/src/src/gdb/Makefile.in,v
retrieving revision 1.278
diff -u -r1.278 Makefile.in
--- Makefile.in	8 Nov 2002 20:48:54 -0000	1.278
+++ Makefile.in	9 Nov 2002 00:33:14 -0000
@@ -166,12 +166,12 @@
 #
 SUBDIR_MI_OBS = \
 	mi-out.o mi-console.o \
-	mi-cmds.o mi-cmd-var.o mi-cmd-break.o mi-cmd-stack.o \
+	mi-cmds.o mi-cmd-env.o mi-cmd-var.o mi-cmd-break.o mi-cmd-stack.o \
 	mi-cmd-disas.o \
 	mi-main.o mi-parse.o mi-getopt.o
 SUBDIR_MI_SRCS = \
 	mi/mi-out.c mi/mi-console.c \
-	mi/mi-cmds.c \
+	mi/mi-cmds.c mi/mi-cmd-env.c \
 	mi/mi-cmd-var.c mi/mi-cmd-break.c mi/mi-cmd-stack.c \
 	mi/mi-cmd-disas.c \
 	mi/mi-main.c mi/mi-parse.c mi/mi-getopt.c
@@ -2487,6 +2487,10 @@
 mi-cmd-disas.o: $(srcdir)/mi/mi-cmd-disas.c $(defs_h) $(target_h) $(value_h) \
 	$(mi_cmds_h) $(mi_getopt_h) $(ui_out_h) $(gdb_string_h) $(disasm_h)
 	$(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/mi/mi-cmd-disas.c
+mi-cmd-env.o: $(srcdir)/mi/mi-cmd-env.c $(defs_h) $(mi_cmds_h) $(ui_out_h) \
+	$(mi_out_h) $(varobj_h) $(value_h) $(gdb_string_h) $(inferior.h) \
+	$(mi_getopt_h)
+	$(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/mi/mi-cmd-env.c
 mi-cmd-stack.o: $(srcdir)/mi/mi-cmd-stack.c $(defs_h) $(target_h) $(frame_h) \
 	$(value_h) $(mi_cmds_h) $(ui_out_h) $(symtab_h)
 	$(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/mi/mi-cmd-stack.c
Index: mi/mi-cmd-env.c
===================================================================
RCS file: mi/mi-cmd-env.c
diff -N mi/mi-cmd-env.c
--- mi/mi-cmd-env.c	1 Jan 1970 00:00:00 -0000
+++ mi/mi-cmd-env.c	9 Nov 2002 00:33:14 -0000
@@ -0,0 +1,202 @@
+/* MI Command Set - environment commands.
+   Copyright 2002 Free Software Foundation, Inc.
+   Contributed by Red Hat Inc.
+
+   This file is part of GDB.
+
+   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.  */
+
+#include <string.h>
+#include <sys/stat.h>
+
+#include "defs.h"
+#include "target.h"
+#include "frame.h"
+#include "value.h"
+#include "mi-cmds.h"
+#include "mi-out.h"
+#include "mi-getopt.h"
+#include "ui-out.h"
+#include "symtab.h"
+#include "filenames.h"
+#include "environ.h"
+#include "command.h"
+#include "top.h"
+#include "inferior.h"
+
+static void env_cli_command (const char *cli, char *args);
+static void env_mod_path (char *dirname, char **which_path);
+
+static const char path_var_name[] = "PATH";
+
+/* The following is copied from mi-main.c so for m1 and below we
+   can perform old behavior and use cli commands.  */
+static void
+env_execute_cli_command (const char *cli, char *args)
+{
+  if (cli != 0)
+    {
+      struct cleanup *old_cleanups;
+      char *run;
+      xasprintf (&run, cli, args);
+      old_cleanups = make_cleanup (xfree, run);
+      execute_command ( /*ui */ run, 0 /*from_tty */ );
+      do_cleanups (old_cleanups);
+      return;
+    }
+}
+
+
+/* Print working directory.  */
+enum mi_cmd_result
+mi_cmd_env_pwd (char *command, char **argv, int argc)
+{
+  if (argc > 0)
+    error ("mi_cmd_env_pwd: No arguments required");
+          
+  if (mi_version (uiout) < 2)
+    {
+      env_execute_cli_command ("pwd", NULL);
+      return MI_CMD_DONE;
+    }
+     
+  /* Otherwise the mi level is 2 or higher.  */
+
+  getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
+  ui_out_field_string (uiout, "cwd", gdb_dirbuf);
+
+  return MI_CMD_DONE;
+}
+
+/* Change working directory.  */
+enum mi_cmd_result
+mi_cmd_env_cd (char *command, char **argv, int argc)
+{
+  if (argc == 0 || argc > 1)
+    error ("mi_cmd_env_cd: Usage DIRECTORY");
+          
+  env_execute_cli_command ("cd %s", argv[0]);
+
+  return MI_CMD_DONE;
+}
+
+static void
+env_mod_path (char *dirname, char **which_path)
+{
+  if (dirname == 0 || dirname[0] == '\0')
+    return;
+
+  /* Call add_path with last arg 0 to indicate not to parse for 
+     separator characters.  */
+  add_path (dirname, which_path, 0);
+}
+
+/* Add one or more directories to start of executable search path.  */
+enum mi_cmd_result
+mi_cmd_env_path (char *command, char **argv, int argc)
+{
+  char *exec_path;
+  char *env;
+  int i;
+
+  if (mi_version (uiout) < 2)
+    {
+      for (i = argc - 1; i >= 0; --i)
+	env_execute_cli_command ("path %s", argv[i]);
+      return MI_CMD_DONE;
+    }
+
+  /* Otherwise the mi level is 2 or higher.  */
+  dont_repeat ();
+  env = get_in_environ (inferior_environ, path_var_name);
+
+  /* Can be null if path is not set.  */
+  if (!env)
+    env = "";
+  exec_path = xstrdup (env);
+
+  for (i = argc - 1; i >= 0; --i)
+    env_mod_path (argv[i], &exec_path);
+
+  set_in_environ (inferior_environ, path_var_name, exec_path);
+  xfree (exec_path);
+  env = get_in_environ (inferior_environ, path_var_name);
+  ui_out_field_string (uiout, "path", env);
+
+  return MI_CMD_DONE;
+}
+
+/* Add zero or more directories to the front of the source path.  */
+enum mi_cmd_result
+mi_cmd_env_dir (char *command, char **argv, int argc)
+{
+  int i;
+  int optind = 0;
+  int reset = 0;
+  char *optarg;
+  enum opt
+    {
+      RESET_OPT
+    };
+  static struct mi_opt opts[] =
+  {
+    {"r", RESET_OPT, 0},
+    0
+  };
+
+  dont_repeat ();
+
+  if (mi_version (uiout) < 2)
+    {
+      for (i = argc - 1; i >= 0; --i)
+	env_execute_cli_command ("dir %s", argv[i]);
+      return MI_CMD_DONE;
+    }
+
+  /* Otherwise mi level is 2 or higher.  */
+  while (1)
+    {
+      int opt = mi_getopt ("mi_cmd_data_read_memory", argc, argv, opts,
+                           &optind, &optarg);
+      if (opt < 0)
+        break;
+      switch ((enum opt) opt)
+        {
+        case RESET_OPT:
+          reset = 1;
+          break;
+        }
+    }
+  argv += optind;
+  argc -= optind;
+
+  if (reset)
+    {
+      /* No args implies reset to default path.  */
+      xfree (source_path);
+      init_source_path ();
+    }
+
+  for (i = argc - 1; i >= 0; --i)
+    env_mod_path (argv[i], &source_path);
+  init_last_source_visited ();
+
+  ui_out_field_string (uiout, "source-path", source_path);
+  forget_cached_source_info ();
+
+  return MI_CMD_DONE;
+}
+
Index: mi/mi-cmds.h
===================================================================
RCS file: /cvs/src/src/gdb/mi/mi-cmds.h,v
retrieving revision 1.5
diff -u -r1.5 mi-cmds.h
--- mi/mi-cmds.h	6 Mar 2001 08:21:45 -0000	1.5
+++ mi/mi-cmds.h	9 Nov 2002 00:33:14 -0000
@@ -64,6 +64,10 @@
 extern mi_cmd_argv_ftype mi_cmd_data_read_memory;
 extern mi_cmd_argv_ftype mi_cmd_data_write_memory;
 extern mi_cmd_argv_ftype mi_cmd_data_write_register_values;
+extern mi_cmd_argv_ftype mi_cmd_env_cd;
+extern mi_cmd_argv_ftype mi_cmd_env_dir;
+extern mi_cmd_argv_ftype mi_cmd_env_path;
+extern mi_cmd_argv_ftype mi_cmd_env_pwd;
 extern mi_cmd_args_ftype mi_cmd_exec_continue;
 extern mi_cmd_args_ftype mi_cmd_exec_finish;
 extern mi_cmd_args_ftype mi_cmd_exec_next;
Index: mi/mi-cmds.c
===================================================================
RCS file: /cvs/src/src/gdb/mi/mi-cmds.c,v
retrieving revision 1.8
diff -u -r1.8 mi-cmds.c
--- mi/mi-cmds.c	6 Mar 2001 08:21:45 -0000	1.8
+++ mi/mi-cmds.c	9 Nov 2002 00:33:14 -0000
@@ -56,10 +56,10 @@
   {"display-enable", 0, 0},
   {"display-insert", 0, 0},
   {"display-list", 0, 0},
-  {"environment-cd", "cd %s", 0},
-  {"environment-directory", "dir %s", 0},
-  {"environment-path", "path %s", 0},
-  {"environment-pwd", "pwd", 0},
+  {"environment-cd", 0, 0, mi_cmd_env_cd},
+  {"environment-directory", 0, 0, mi_cmd_env_dir},
+  {"environment-path", 0, 0, mi_cmd_env_path},
+  {"environment-pwd", 0, 0, mi_cmd_env_pwd},
   {"exec-abort", 0, 0},
   {"exec-arguments", "set args %s", 0},
   {"exec-continue", 0, mi_cmd_exec_continue},
Index: gdbmi.texinfo
===================================================================
RCS file: /cvs/src/src/gdb/mi/gdbmi.texinfo,v
retrieving revision 1.29
diff -u -r1.29 gdbmi.texinfo
--- gdbmi.texinfo	3 Oct 2002 22:31:31 -0000	1.29
+++ gdbmi.texinfo	9 Nov 2002 00:30:50 -0000
@@ -1665,10 +1665,18 @@
 @subsubheading Synopsis
 
 @example
- -environment-directory @var{pathdir}
+ -environment-directory [ -r ] [ @var{pathdir} ]+
 @end example
 
-Add directory @var{pathdir} to beginning of search path for source files.
+Add directories @var{pathdir} to beginning of search path for source files.
+If the @samp{-r} option is used, the search path is reset to the default
+search path.  If directories @var{pathdir} are supplied in addition to the 
+@samp{-r} option, the search path is first reset and then addition
+occurs as normal.
+Specifying multiple directories in a single command
+results in the directories added to the beginning of the
+search path in the same order they were presented in the command.
+If no directories are specified, the current search path is displayed.
 
 @subsubheading @value{GDBN} Command
 
@@ -1679,7 +1687,16 @@
 @smallexample
 (@value{GDBP})
 -environment-directory /kwikemart/marge/ezannoni/flathead-dev/devo/gdb
-^done
+^done,source-path="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb:$cdir:$cwd"
+(@value{GDBP})
+-environment-directory ""
+^done,source-path="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb:$cdir:$cwd"
+(@value{GDBP})
+-environment-directory -r /home/jjohnstn/src/gdb
+^done,source-path="/home/jjohnstn/src/gdb:$cdir:$cwd"
+(@value{GDBP})
+-environment-directory -r
+^done,source-path="$cdir:$cwd"
 (@value{GDBP})
 @end smallexample
 
@@ -1690,10 +1707,12 @@
 @subsubheading Synopsis
 
 @example
- -environment-path ( @var{pathdir} )+
+ -environment-path [ @var{pathdir} ]+
 @end example
 
 Add directories @var{pathdir} to beginning of search path for object files.
+If no paths or an empty path is specified, the current object search path
+is displayed with no modification.
 
 @subsubheading @value{GDBN} Command
 
@@ -1704,7 +1723,10 @@
 @smallexample
 (@value{GDBP})
 -environment-path /kwikemart/marge/ezannoni/flathead-dev/ppc-eabi/gdb
-^done
+^done,path="/kwikemart/marge/ezannoni/flathead-dev/ppc-eabi/gdb:/usr/bin"
+(@value{GDBP})
+-environment-path 
+^done,path="/kwikemart/marge/ezannoni/flathead-dev/ppc-eabi/gdb:/usr/bin"
 (@value{GDBP})
 @end smallexample
 
@@ -1729,8 +1751,7 @@
 @smallexample
 (@value{GDBP})
 -environment-pwd
-~Working directory /kwikemart/marge/ezannoni/flathead-dev/devo/gdb.
-^done
+^done,cwd="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb"
 (@value{GDBP})
 @end smallexample
 
Index: mi-basics.exp
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.mi/mi-basics.exp,v
retrieving revision 1.6
diff -u -r1.6 mi-basics.exp
--- mi-basics.exp	27 Jun 2001 17:27:07 -0000	1.6
+++ mi-basics.exp	11 Nov 2002 21:11:07 -0000
@@ -148,26 +148,52 @@
     global srcdir
     global subdir
 
-    # Clear the search directories, then specify one to be searched
+    # Add to the search directories, display, then reset back to default
     # Tests:
-    # -environment-directory
     # -environment-directory arg
+    # -environment-directory 
+    # -environment-directory -r
 
 #exp_internal 1
-    mi_gdb_test "202-environment-directory" \
-             "\\\^done" \
+    mi_gdb_test "202-environment-directory ${srcdir}/${subdir}" \
+             "\\\^done,source-path=\"${srcdir}/${subdir}:\\\$cdir:\\\$cwd\"" \
+             "environment-directory arg operation"
+
+    mi_gdb_test "203-environment-directory" \
+             "\\\^done,source-path=\"${srcdir}/${subdir}:\\\$cdir:\\\$cwd\"" \
+             "environment-directory empty-string operation"
+
+    mi_gdb_test "204-environment-directory -r" \
+             "\\\^done,source-path=\"\\\$cdir:\\\$cwd\"" \
              "environment-directory operation"
 
-    mi_gdb_test "203-environment-directory ${srcdir}/${subdir}" \
-             "\\\^done" \
-             "environment-directory arg operation"
 #exp_internal 0
 }
 
+proc test_cwd_specification {} {
+    global mi_gdb_prompt
+    global objdir
+    global subdir
+
+    # Change the working directory, then print the current working directory
+    # Tests:
+    # -environment-cd ${objdir}
+    # -environment-pwd
+
+    mi_gdb_test "205-environment-cd ${objdir}" \
+             "\\\^done" \
+             "environment-cd arg operation"
+
+    mi_gdb_test "206-environment-pwd" \
+             "\\\^done,cwd=\"${objdir}\"" \
+             "environment-pwd operation"
+}
+
 if [test_mi_interpreter_selection] {
   test_exec_and_symbol_mi_operatons
   test_breakpoints_deletion
   test_dir_specification
+  test_cwd_specification
 }
 
 mi_gdb_exit

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