upgrade the cross-gdb to 6.8 (patch from #4701)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14697 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 464 deletions

diff --git a/toolchain/gdb/patches/700-debian_cp-pass-by-reference.patch b/toolchain/gdb/patches/700-debian_cp-pass-by-reference.patch
deleted file mode 100644
index 666d343429..0000000000
--- a/toolchain/gdb/patches/700-debian_cp-pass-by-reference.patch
+++ /dev/null
@@ -1,464 +0,0 @@
-This patch needs to be submitted for the FSF.  Also, there may be testcases
-already in the GDB testsuite (currently disabled) that it would probably fix.
-
-Index: gdb-6.3/gdb/infcall.c
-===================================================================
---- gdb-6.3.orig/gdb/infcall.c	2004-10-08 04:15:56.000000000 -0400
-+++ gdb-6.3/gdb/infcall.c	2004-11-10 12:30:07.000000000 -0500
-@@ -36,6 +36,7 @@
- #include "gdb_string.h"
- #include "infcall.h"
- #include "dummy-frame.h"
-+#include "cp-abi.h"
- 
- /* NOTE: cagney/2003-04-16: What's the future of this code?
- 
-@@ -297,8 +298,8 @@ call_function_by_hand (struct value *fun
- {
-   CORE_ADDR sp;
-   CORE_ADDR dummy_addr;
--  struct type *value_type;
--  unsigned char struct_return;
-+  struct type *value_type, *target_value_type;
-+  unsigned char struct_return = 0, cp_struct_return = 0;
-   CORE_ADDR struct_addr = 0;
-   struct regcache *retbuf;
-   struct cleanup *retbuf_cleanup;
-@@ -312,6 +313,7 @@ call_function_by_hand (struct value *fun
-   struct regcache *caller_regcache;
-   struct cleanup *caller_regcache_cleanup;
-   struct frame_id dummy_id;
-+  struct cleanup *args_cleanup;
- 
-   if (!target_has_execution)
-     noprocess ();
-@@ -410,10 +412,31 @@ call_function_by_hand (struct value *fun
-     using_gcc = (b == NULL ? 2 : BLOCK_GCC_COMPILED (b));
-   }
- 
--  /* Are we returning a value using a structure return or a normal
--     value return? */
-+  /* Are we returning a value using a structure return (passing a
-+     hidden argument pointing to storage) or a normal value return?
-+     There are two cases: C++ ABI mandated structure return and
-+     target ABI structure return.  The variable STRUCT_RETURN only
-+     describes the latter.  The C++ version is handled by passing
-+     the return location as the first parameter to the function,
-+     even preceding "this".  This is different from the target
-+     ABI version, which is target-specific; for instance, on ia64
-+     the first argument is passed in out0 but the hidden structure
-+     return pointer would normally be passed in r8.  */
- 
--  struct_return = using_struct_return (value_type, using_gcc);
-+  if (current_language->la_language == language_cplus
-+      && cp_pass_by_reference (value_type))
-+    {
-+      cp_struct_return = 1;
-+
-+      /* Tell the target specific argument pushing routine not to
-+	 expect a value.  */
-+      target_value_type = builtin_type_void;
-+    }
-+  else
-+    {
-+      struct_return = using_struct_return (value_type, using_gcc);
-+      target_value_type = value_type;
-+    }
- 
-   /* Determine the location of the breakpoint (and possibly other
-      stuff) that the called function will return to.  The SPARC, for a
-@@ -432,7 +455,7 @@ call_function_by_hand (struct value *fun
-       if (INNER_THAN (1, 2))
- 	{
- 	  sp = push_dummy_code (current_gdbarch, sp, funaddr,
--				using_gcc, args, nargs, value_type,
-+				using_gcc, args, nargs, target_value_type,
- 				&real_pc, &bp_addr);
- 	  dummy_addr = sp;
- 	}
-@@ -440,7 +463,7 @@ call_function_by_hand (struct value *fun
- 	{
- 	  dummy_addr = sp;
- 	  sp = push_dummy_code (current_gdbarch, sp, funaddr,
--				using_gcc, args, nargs, value_type,
-+				using_gcc, args, nargs, target_value_type,
- 				&real_pc, &bp_addr);
- 	}
-       break;
-@@ -507,9 +530,15 @@ call_function_by_hand (struct value *fun
- 	  param_type = TYPE_FIELD_TYPE (ftype, i);
- 	else
- 	  param_type = NULL;
--	
-+
- 	args[i] = value_arg_coerce (args[i], param_type, prototyped);
- 
-+	/* FIXME: Is current_language the right language?  */
-+	if (current_language->la_language == language_cplus
-+	    && param_type != NULL
-+	    && cp_pass_by_reference (param_type))
-+	  args[i] = value_addr (args[i]);
-+
- 	/* elz: this code is to handle the case in which the function
- 	   to be called has a pointer to function as parameter and the
- 	   corresponding actual argument is the address of a function
-@@ -607,7 +636,7 @@ You must use a pointer to function type 
-      stack, if necessary.  Make certain that the value is correctly
-      aligned. */
- 
--  if (struct_return)
-+  if (struct_return || cp_struct_return)
-     {
-       int len = TYPE_LENGTH (value_type);
-       if (INNER_THAN (1, 2))
-@@ -632,6 +661,22 @@ You must use a pointer to function type 
- 	}
-     }
- 
-+  if (cp_struct_return)
-+    {
-+      struct value **new_args;
-+
-+      /* Add the new argument to the front of the argument list.  */
-+      new_args = xmalloc (sizeof (struct value *) * (nargs + 1));
-+      new_args[0] = value_from_pointer (lookup_pointer_type (value_type),
-+					struct_addr);
-+      memcpy (&new_args[1], &args[0], sizeof (struct value *) * nargs);
-+      args = new_args;
-+      nargs++;
-+      args_cleanup = make_cleanup (xfree, args);
-+    }
-+  else
-+    args_cleanup = make_cleanup (null_cleanup, NULL);
-+
-   /* Create the dummy stack frame.  Pass in the call dummy address as,
-      presumably, the ABI code knows where, in the call dummy, the
-      return address should be pointed.  */
-@@ -649,6 +694,8 @@ You must use a pointer to function type 
-   else
-     error ("This target does not support function calls");
- 
-+  do_cleanups (args_cleanup);
-+
-   /* Set up a frame ID for the dummy frame so we can pass it to
-      set_momentary_breakpoint.  We need to give the breakpoint a frame
-      ID so that the breakpoint code can correctly re-identify the
-@@ -839,11 +886,7 @@ the function call).", name);
-   /* Figure out the value returned by the function, return that.  */
-   {
-     struct value *retval;
--    if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
--      /* If the function returns void, don't bother fetching the
--	 return value.  */
--      retval = allocate_value (value_type);
--    else if (struct_return)
-+    if (struct_return || cp_struct_return)
-       /* NOTE: cagney/2003-09-27: This assumes that PUSH_DUMMY_CALL
- 	 has correctly stored STRUCT_ADDR in the target.  In the past
- 	 that hasn't been the case, the old MIPS PUSH_ARGUMENTS
-@@ -853,6 +896,10 @@ the function call).", name);
- 	 "struct return convention", check that PUSH_DUMMY_CALL isn't
- 	 playing tricks.  */
-       retval = value_at (value_type, struct_addr, NULL);
-+    else if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
-+      /* If the function returns void, don't bother fetching the
-+	 return value.  */
-+      retval = allocate_value (value_type);
-     else
-       {
- 	/* This code only handles "register convention".  */
-Index: gdb-6.3/gdb/cp-abi.h
-===================================================================
---- gdb-6.3.orig/gdb/cp-abi.h	2003-04-12 13:41:25.000000000 -0400
-+++ gdb-6.3/gdb/cp-abi.h	2004-11-10 12:30:07.000000000 -0500
-@@ -1,7 +1,7 @@
- /* Abstraction of various C++ ABI's we support, and the info we need
-    to get from them.
-    Contributed by Daniel Berlin <dberlin@redhat.com>
--   Copyright 2001 Free Software Foundation, Inc.
-+   Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
- 
-    This file is part of GDB.
- 
-@@ -145,6 +145,10 @@ extern struct type *value_rtti_type (str
- extern int baseclass_offset (struct type *type, int index, char *valaddr,
- 			     CORE_ADDR address);
-                   
-+/* Return non-zero if an argument of type TYPE should be passed by reference
-+   instead of value.  */
-+extern int cp_pass_by_reference (struct type *type);
-+
- struct cp_abi_ops
- {
-   const char *shortname;
-@@ -162,6 +166,7 @@ struct cp_abi_ops
- 			     int *using_enc);
-   int (*baseclass_offset) (struct type *type, int index, char *valaddr,
- 			   CORE_ADDR address);
-+  int (*pass_by_reference) (struct type *type);
- };
- 
- 
-Index: gdb-6.3/gdb/cp-abi.c
-===================================================================
---- gdb-6.3.orig/gdb/cp-abi.c	2003-11-26 17:04:00.000000000 -0500
-+++ gdb-6.3/gdb/cp-abi.c	2004-11-10 12:30:07.000000000 -0500
-@@ -1,5 +1,5 @@
- /* Generic code for supporting multiple C++ ABI's
--   Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
-+   Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
- 
-    This file is part of GDB.
- 
-@@ -94,6 +94,14 @@ value_rtti_type (struct value *v, int *f
-   return (*current_cp_abi.rtti_type) (v, full, top, using_enc);
- }
- 
-+int
-+cp_pass_by_reference (struct type *type)
-+{
-+  if ((current_cp_abi.pass_by_reference) == NULL)
-+    return 0;
-+  return (*current_cp_abi.pass_by_reference) (type);
-+}
-+
- /* Set the current C++ ABI to SHORT_NAME.  */
- 
- static int
-Index: gdb-6.3/gdb/gnu-v3-abi.c
-===================================================================
---- gdb-6.3.orig/gdb/gnu-v3-abi.c	2004-03-15 15:38:08.000000000 -0500
-+++ gdb-6.3/gdb/gnu-v3-abi.c	2004-11-10 12:30:07.000000000 -0500
-@@ -1,7 +1,7 @@
- /* Abstraction of GNU v3 abi.
-    Contributed by Jim Blandy <jimb@redhat.com>
- 
--   Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
-+   Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
- 
-    This file is part of GDB.
- 
-@@ -419,6 +419,84 @@ gnuv3_baseclass_offset (struct type *typ
-   return base_offset;
- }
- 
-+/* Return nonzero if a type should be passed by reference.
-+
-+   The rule in the v3 ABI document comes from section 3.1.1.  If the
-+   type has a non-trivial copy constructor or destructor, then the
-+   caller must make a copy (by calling the copy constructor if there
-+   is one or perform the copy itself otherwise), pass the address of
-+   the copy, and then destroy the temporary (if necessary).
-+
-+   For return values with non-trivial copy constructors or
-+   destructors, space will be allocated in the caller, and a pointer
-+   will be passed as the first argument (preceding "this").
-+
-+   We don't have a bulletproof mechanism for determining whether a
-+   constructor or destructor is trivial.  For GCC and DWARF2 debug
-+   information, we can check the artificial flag.
-+
-+   We don't do anything with the constructors or destructors yet,
-+   but we have to get the argument passing right anyway.  */
-+static int
-+gnuv3_pass_by_reference (struct type *type)
-+{
-+  int fieldnum, fieldelem, basenum;
-+
-+  CHECK_TYPEDEF (type);
-+
-+  /* We're only interested in things that can have methods.  */
-+  if (TYPE_CODE (type) != TYPE_CODE_STRUCT
-+      && TYPE_CODE (type) != TYPE_CODE_CLASS
-+      && TYPE_CODE (type) != TYPE_CODE_UNION)
-+    return 0;
-+
-+  for (fieldnum = 0; fieldnum < TYPE_NFN_FIELDS (type); fieldnum++)
-+    for (fieldelem = 0; fieldelem < TYPE_FN_FIELDLIST_LENGTH (type, fieldnum);
-+	 fieldelem++)
-+      {
-+	struct fn_field *fn = TYPE_FN_FIELDLIST1 (type, fieldnum);
-+	char *name = TYPE_FN_FIELDLIST_NAME (type, fieldnum);
-+	struct type *fieldtype = TYPE_FN_FIELD_TYPE (fn, fieldelem);
-+
-+	/* If this function is marked as artificial, it is compiler-generated,
-+	   and we assume it is trivial.  */
-+	if (TYPE_FN_FIELD_ARTIFICIAL (fn, fieldelem))
-+	  continue;
-+
-+	/* If we've found a destructor, we must pass this by reference.  */
-+	if (name[0] == '~')
-+	  return 1;
-+
-+	/* If the mangled name of this method doesn't indicate that it
-+	   is a constructor, we're not interested.
-+
-+	   FIXME drow/2004-05-27: We could do this using the name of
-+	   the method and the name of the class instead of dealing
-+	   with the mangled name.  We don't have a convenient function
-+	   to strip off both leading scope qualifiers and trailing
-+	   template arguments yet.  */
-+	if (!is_constructor_name (TYPE_FN_FIELD_PHYSNAME (fn, fieldelem)))
-+	  continue;
-+
-+	/* If this method takes two arguments, and the second argument is
-+	   a reference to this class, then it is a copy constructor.  */
-+	if (TYPE_NFIELDS (fieldtype) == 2
-+	    && TYPE_CODE (TYPE_FIELD_TYPE (fieldtype, 1)) == TYPE_CODE_REF
-+	    && check_typedef (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (fieldtype, 1))) == type)
-+	  return 1;
-+      }
-+
-+  /* Even if all the constructors and destructors were artificial, one
-+     of them may have invoked a non-artificial constructor or
-+     destructor in a base class.  If any base class needs to be passed
-+     by reference, so does this class.  */
-+  for (basenum = 0; basenum < TYPE_N_BASECLASSES (type); basenum++)
-+    if (gnuv3_pass_by_reference (TYPE_BASECLASS (type, basenum)))
-+      return 1;
-+
-+  return 0;
-+}
-+
- static void
- init_gnuv3_ops (void)
- {
-@@ -434,6 +512,7 @@ init_gnuv3_ops (void)
-   gnu_v3_abi_ops.rtti_type = gnuv3_rtti_type;
-   gnu_v3_abi_ops.virtual_fn_field = gnuv3_virtual_fn_field;
-   gnu_v3_abi_ops.baseclass_offset = gnuv3_baseclass_offset;
-+  gnu_v3_abi_ops.pass_by_reference = gnuv3_pass_by_reference;
- }
- 
- extern initialize_file_ftype _initialize_gnu_v3_abi; /* -Wmissing-prototypes */
-Index: gdb-6.3/gdb/hpacc-abi.c
-===================================================================
---- gdb-6.3.orig/gdb/hpacc-abi.c	2003-06-08 14:27:13.000000000 -0400
-+++ gdb-6.3/gdb/hpacc-abi.c	2004-11-10 12:30:07.000000000 -0500
-@@ -3,7 +3,7 @@
-    Most of the real code is from HP, i've just fiddled it to fit in
-    the C++ ABI abstraction framework.
- 
--   Copyright 2001 Free Software Foundation, Inc.
-+   Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
- 
-    This file is part of GDB.
- 
-Index: gdb-6.3/gdb/Makefile.in
-===================================================================
---- gdb-6.3.orig/gdb/Makefile.in	2004-11-10 12:30:06.000000000 -0500
-+++ gdb-6.3/gdb/Makefile.in	2004-11-10 12:30:07.000000000 -0500
-@@ -2073,7 +2073,7 @@ ia64-tdep.o: ia64-tdep.c $(defs_h) $(inf
- infcall.o: infcall.c $(defs_h) $(breakpoint_h) $(target_h) $(regcache_h) \
- 	$(inferior_h) $(gdb_assert_h) $(block_h) $(gdbcore_h) $(language_h) \
- 	$(objfiles_h) $(gdbcmd_h) $(command_h) $(gdb_string_h) $(infcall_h) \
--	$(dummy_frame_h)
-+	$(dummy_frame_h) $(cp_abi_h)
- inf-child.o: inf-child.c $(defs_h) $(regcache_h) $(memattr_h) $(symtab_h) \
- 	$(target_h) $(inferior_h) $(gdb_string_h)
- infcmd.o: infcmd.c $(defs_h) $(gdb_string_h) $(symtab_h) $(gdbtypes_h) \
-Index: gdb-6.3/gdb/testsuite/gdb.cp/pass-by-ref.exp
-===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ gdb-6.3/gdb/testsuite/gdb.cp/pass-by-ref.exp	2004-11-11 09:48:00.498518899 -0500
-@@ -0,0 +1,38 @@
-+# This testcase is part of GDB, the GNU debugger.
-+
-+# Copyright 2004 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.  
-+
-+# Check that GDB can call C++ functions whose parameters have
-+# object type, but are passed by reference.
-+
-+set testfile "pass-by-ref"
-+set srcfile ${testfile}.cc
-+set binfile ${objdir}/${subdir}/${testfile}
-+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
-+    return -1
-+}
-+
-+gdb_exit
-+gdb_start
-+gdb_reinitialize_dir $srcdir/$subdir
-+gdb_load ${binfile}
-+
-+if ![runto_main] then {
-+    return -1
-+}
-+
-+gdb_test "print foo (global_obj)" " = 3" "call function"
-Index: gdb-6.3/gdb/testsuite/gdb.cp/pass-by-ref.cc
-===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ gdb-6.3/gdb/testsuite/gdb.cp/pass-by-ref.cc	2004-11-11 09:44:17.815014667 -0500
-@@ -0,0 +1,57 @@
-+/* This testcase is part of GDB, the GNU debugger.
-+
-+   Copyright 2004 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.  */
-+
-+class Obj {
-+public:
-+  Obj ();
-+  Obj (const Obj &);
-+  ~Obj ();
-+  int var[2];
-+};
-+
-+int foo (Obj arg)
-+{
-+  return arg.var[0] + arg.var[1];
-+}
-+
-+Obj::Obj ()
-+{
-+  var[0] = 1;
-+  var[1] = 2;
-+}
-+
-+Obj::Obj (const Obj &obj)
-+{
-+  var[0] = obj.var[0];
-+  var[1] = obj.var[1];
-+}
-+
-+Obj::~Obj ()
-+{
-+
-+}
-+
-+Obj global_obj;
-+
-+int
-+main ()
-+{
-+  int bar = foo (global_obj);
-+  return bar;
-+}