* Makefile.in: Install gdbtk.tcl.

	* configure.in:  Add ENABLE_GDBTK flag.
	* gdbtk.c (gdb_sourcelines):  Returns list of source lines
	containing code.  (gdb_regnames):  Returns list of register names.

4 files changed, 96 insertions, 2 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 18d13c9..83988ac 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+Mon Nov 14 08:51:29 1994  Stu Grossman  (grossman@cygnus.com)
+
+	* Makefile.in:  Install gdbtk.tcl.
+	* configure.in:  Add ENABLE_GDBTK flag.
+	* gdbtk.c (gdb_sourcelines):  Returns list of source lines
+	containing code.  (gdb_regnames):  Returns list of register names.
+
 Sat Nov 12 21:55:47 1994  Jeff Law  (law@snake.cs.utah.edu)
 
 	* somsolib.c: Add TODO list.
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 5ac86ef..7fd2621 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -187,8 +187,8 @@ INSTALLED_LIBS=-lbfd -lreadline $(TERMCAP) -lopcodes -lmmalloc \
 CLIBS = $(BFD) $(READLINE) $(OPCODES) $(MMALLOC) \
 	$(LIBIBERTY) $(TERMCAP) $(XM_CLIBS) $(TM_CLIBS) $(NAT_CLIBS) \
 	$(ENABLE_CLIBS)
-CDEPS = $(XM_CDEPS) $(TM_CDEPS) $(NAT_CDEPS) \
-	$(BFD) $(READLINE) $(OPCODES) $(MMALLOC) $(LIBIBERTY)
+CDEPS = $(XM_CDEPS) $(TM_CDEPS) $(NAT_CDEPS) $(BFD) $(READLINE) $(OPCODES) \
+	$(MMALLOC) $(LIBIBERTY)
 
 ADD_FILES = $(REGEX) $(XM_ADD_FILES) $(TM_ADD_FILES) $(NAT_ADD_FILES)
 ADD_DEPS = $(REGEX1) $(XM_ADD_FILES) $(TM_ADD_FILES) $(NAT_ADD_FILES)
@@ -537,6 +537,9 @@ install-only:
 	fi ; \
 	$(INSTALL_PROGRAM) gdb $(bindir)/$$transformed_name ; \
 	$(INSTALL_DATA) $(srcdir)/gdb.1 $(man1dir)/$$transformed_name.1
+	if [ -n $(ENABLE_GDBTK) ] ; then \
+		$(INSTALL_DATA) $(srcdir)/gdbtk.tcl $(libdir)/gdbtk.tcl ; \
+	fi
 	@$(MAKE) DO=install "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do 
 
 uninstall: force
diff --git a/gdb/configure.in b/gdb/configure.in
index 4f63e1a..f3ee9c0 100644
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -416,6 +416,7 @@ fi
 if [ "${enable_gdbtk}" = "yes" ] ; then
 	sed -e '/# End of host and/i\
 \
+ENABLE_GDBTK = 1\
 ENABLE_DEPFILES = gdbtk.o\
 ENABLE_CLIBS = $(TCL) $(TK) -lX11 -lm
 ' < Makefile > Makefile.tem
diff --git a/gdb/gdbtk.c b/gdb/gdbtk.c
index 291476d..c2a1e38 100644
--- a/gdb/gdbtk.c
+++ b/gdb/gdbtk.c
@@ -291,6 +291,87 @@ gdb_loc (clientData, interp, argc, argv)
   return TCL_OK;
 }
 
+/* This implements the TCL command `gdb_sourcelines', which returns a list of
+   all of the lines containing executable code for the specified source file
+   (ie: lines where you can put breakpoints). */
+
+static int
+gdb_sourcelines (clientData, interp, argc, argv)
+     ClientData clientData;
+     Tcl_Interp *interp;
+     int argc;
+     char *argv[];
+{
+  struct symtab *symtab;
+  struct linetable_entry *le;
+  int nlines;
+  char buf[100];
+
+  if (argc != 2)
+    {
+      Tcl_SetResult (interp, "wrong # args", TCL_STATIC);
+      return TCL_ERROR;
+    }
+
+  symtab = lookup_symtab (argv[1]);
+
+  if (!symtab)
+    {
+      Tcl_SetResult (interp, "No such file", TCL_STATIC);
+      return TCL_ERROR;
+    }
+
+  /* If there's no linetable, or no entries, then we are done. */
+
+  if (!symtab->linetable
+      || symtab->linetable->nitems == 0)
+    {
+      Tcl_AppendElement (interp, "");
+      return TCL_OK;
+    }
+
+  le = symtab->linetable->item;
+  nlines = symtab->linetable->nitems;
+
+  for (;nlines > 0; nlines--, le++)
+    {
+      /* If the pc of this line is the same as the pc of the next line, then
+	 just skip it.  */
+      if (nlines > 1
+	  && le->pc == (le + 1)->pc)
+	continue;
+
+      sprintf (buf, "%d", le->line);
+      Tcl_AppendElement (interp, buf);
+    }
+
+  return TCL_OK;
+}
+
+/* This implements the TCL command `gdb_regnames', which returns a list of
+   all of the register names. */
+
+static int
+gdb_regnames (clientData, interp, argc, argv)
+     ClientData clientData;
+     Tcl_Interp *interp;
+     int argc;
+     char *argv[];
+{
+  int i;
+
+  if (argc != 1)
+    {
+      Tcl_SetResult (interp, "wrong # args", TCL_STATIC);
+      return TCL_ERROR;
+    }
+
+  for (i = 0; i < NUM_REGS; i++)
+    Tcl_AppendElement (interp, reg_names[i]);
+
+  return TCL_OK;
+}
+
 static int
 gdb_cmd_stub (cmd)
      char *cmd;
@@ -481,6 +562,8 @@ gdbtk_init ()
 
   Tcl_CreateCommand (interp, "gdb_cmd", gdb_cmd, NULL, NULL);
   Tcl_CreateCommand (interp, "gdb_loc", gdb_loc, NULL, NULL);
+  Tcl_CreateCommand (interp, "gdb_sourcelines", gdb_sourcelines, NULL, NULL);
+  Tcl_CreateCommand (interp, "gdb_regnames", gdb_regnames, NULL, NULL);
   Tcl_CreateCommand (interp, "gdb_listfiles", gdb_listfiles, NULL, NULL);
   Tcl_CreateCommand (interp, "gdb_stop", gdb_stop, NULL, NULL);