Add upstream binutils-2.25 snapshot 4/4 2014

For MIPS -mmsa support

Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96

1 files changed, 679 insertions, 0 deletions

diff --git a/binutils-2.25/include/demangle.h b/binutils-2.25/include/demangle.h
new file mode 100644
index 00000000..bbad71bd
--- /dev/null
+++ b/binutils-2.25/include/demangle.h
@@ -0,0 +1,679 @@
+/* Defs for interface to demanglers.
+   Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002,
+   2003, 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+   
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   In addition to the permissions in the GNU Library General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file into
+   combinations with other programs, and to distribute those
+   combinations without any restriction coming from the use of this
+   file.  (The Library Public License restrictions do apply in other
+   respects; for example, they cover modification of the file, and
+   distribution when not linked into a combined executable.)
+
+   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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+
+#if !defined (DEMANGLE_H)
+#define DEMANGLE_H
+
+#include "libiberty.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* Options passed to cplus_demangle (in 2nd parameter). */
+
+#define DMGL_NO_OPTS	 0		/* For readability... */
+#define DMGL_PARAMS	 (1 << 0)	/* Include function args */
+#define DMGL_ANSI	 (1 << 1)	/* Include const, volatile, etc */
+#define DMGL_JAVA	 (1 << 2)	/* Demangle as Java rather than C++. */
+#define DMGL_VERBOSE	 (1 << 3)	/* Include implementation details.  */
+#define DMGL_TYPES	 (1 << 4)	/* Also try to demangle type encodings.  */
+#define DMGL_RET_POSTFIX (1 << 5)       /* Print function return types (when
+					   present) after function signature.
+					   It applies only to the toplevel
+					   function type.  */
+#define DMGL_RET_DROP	 (1 << 6)       /* Suppress printing function return
+					   types, even if present.  It applies
+					   only to the toplevel function type.
+					   */
+
+#define DMGL_AUTO	 (1 << 8)
+#define DMGL_GNU	 (1 << 9)
+#define DMGL_LUCID	 (1 << 10)
+#define DMGL_ARM	 (1 << 11)
+#define DMGL_HP 	 (1 << 12)       /* For the HP aCC compiler;
+                                            same as ARM except for
+                                            template arguments, etc. */
+#define DMGL_EDG	 (1 << 13)
+#define DMGL_GNU_V3	 (1 << 14)
+#define DMGL_GNAT	 (1 << 15)
+
+/* If none of these are set, use 'current_demangling_style' as the default. */
+#define DMGL_STYLE_MASK (DMGL_AUTO|DMGL_GNU|DMGL_LUCID|DMGL_ARM|DMGL_HP|DMGL_EDG|DMGL_GNU_V3|DMGL_JAVA|DMGL_GNAT)
+
+/* Enumeration of possible demangling styles.
+
+   Lucid and ARM styles are still kept logically distinct, even though
+   they now both behave identically.  The resulting style is actual the
+   union of both.  I.E. either style recognizes both "__pt__" and "__rf__"
+   for operator "->", even though the first is lucid style and the second
+   is ARM style. (FIXME?) */
+
+extern enum demangling_styles
+{
+  no_demangling = -1,
+  unknown_demangling = 0,
+  auto_demangling = DMGL_AUTO,
+  gnu_demangling = DMGL_GNU,
+  lucid_demangling = DMGL_LUCID,
+  arm_demangling = DMGL_ARM,
+  hp_demangling = DMGL_HP,
+  edg_demangling = DMGL_EDG,
+  gnu_v3_demangling = DMGL_GNU_V3,
+  java_demangling = DMGL_JAVA,
+  gnat_demangling = DMGL_GNAT
+} current_demangling_style;
+
+/* Define string names for the various demangling styles. */
+
+#define NO_DEMANGLING_STYLE_STRING            "none"
+#define AUTO_DEMANGLING_STYLE_STRING	      "auto"
+#define GNU_DEMANGLING_STYLE_STRING    	      "gnu"
+#define LUCID_DEMANGLING_STYLE_STRING	      "lucid"
+#define ARM_DEMANGLING_STYLE_STRING	      "arm"
+#define HP_DEMANGLING_STYLE_STRING	      "hp"
+#define EDG_DEMANGLING_STYLE_STRING	      "edg"
+#define GNU_V3_DEMANGLING_STYLE_STRING        "gnu-v3"
+#define JAVA_DEMANGLING_STYLE_STRING          "java"
+#define GNAT_DEMANGLING_STYLE_STRING          "gnat"
+
+/* Some macros to test what demangling style is active. */
+
+#define CURRENT_DEMANGLING_STYLE current_demangling_style
+#define AUTO_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_AUTO)
+#define GNU_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU)
+#define LUCID_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_LUCID)
+#define ARM_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_ARM)
+#define HP_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_HP)
+#define EDG_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_EDG)
+#define GNU_V3_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU_V3)
+#define JAVA_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_JAVA)
+#define GNAT_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNAT)
+
+/* Provide information about the available demangle styles. This code is
+   pulled from gdb into libiberty because it is useful to binutils also.  */
+
+extern const struct demangler_engine
+{
+  const char *const demangling_style_name;
+  const enum demangling_styles demangling_style;
+  const char *const demangling_style_doc;
+} libiberty_demanglers[];
+
+extern char *
+cplus_demangle (const char *mangled, int options);
+
+extern int
+cplus_demangle_opname (const char *opname, char *result, int options);
+
+extern const char *
+cplus_mangle_opname (const char *opname, int options);
+
+/* Note: This sets global state.  FIXME if you care about multi-threading. */
+
+extern void
+set_cplus_marker_for_demangling (int ch);
+
+extern enum demangling_styles 
+cplus_demangle_set_style (enum demangling_styles style);
+
+extern enum demangling_styles 
+cplus_demangle_name_to_style (const char *name);
+
+/* Callback typedef for allocation-less demangler interfaces. */
+typedef void (*demangle_callbackref) (const char *, size_t, void *);
+
+/* V3 ABI demangling entry points, defined in cp-demangle.c.  Callback
+   variants return non-zero on success, zero on error.  char* variants
+   return a string allocated by malloc on success, NULL on error.  */
+extern int
+cplus_demangle_v3_callback (const char *mangled, int options,
+                            demangle_callbackref callback, void *opaque);
+
+extern char*
+cplus_demangle_v3 (const char *mangled, int options);
+
+extern int
+java_demangle_v3_callback (const char *mangled,
+                           demangle_callbackref callback, void *opaque);
+
+extern char*
+java_demangle_v3 (const char *mangled);
+
+char *
+ada_demangle (const char *mangled, int options);
+
+enum gnu_v3_ctor_kinds {
+  gnu_v3_complete_object_ctor = 1,
+  gnu_v3_base_object_ctor,
+  gnu_v3_complete_object_allocating_ctor,
+  /* These are not part of the V3 ABI.  Unified constructors are generated
+     as a speed-for-space optimization when the -fdeclone-ctor-dtor option
+     is used, and are always internal symbols.  */
+  gnu_v3_unified_ctor,
+  gnu_v3_object_ctor_group
+};
+
+/* Return non-zero iff NAME is the mangled form of a constructor name
+   in the G++ V3 ABI demangling style.  Specifically, return an `enum
+   gnu_v3_ctor_kinds' value indicating what kind of constructor
+   it is.  */
+extern enum gnu_v3_ctor_kinds
+	is_gnu_v3_mangled_ctor (const char *name);
+
+
+enum gnu_v3_dtor_kinds {
+  gnu_v3_deleting_dtor = 1,
+  gnu_v3_complete_object_dtor,
+  gnu_v3_base_object_dtor,
+  /* These are not part of the V3 ABI.  Unified destructors are generated
+     as a speed-for-space optimization when the -fdeclone-ctor-dtor option
+     is used, and are always internal symbols.  */
+  gnu_v3_unified_dtor,
+  gnu_v3_object_dtor_group
+};
+
+/* Return non-zero iff NAME is the mangled form of a destructor name
+   in the G++ V3 ABI demangling style.  Specifically, return an `enum
+   gnu_v3_dtor_kinds' value, indicating what kind of destructor
+   it is.  */
+extern enum gnu_v3_dtor_kinds
+	is_gnu_v3_mangled_dtor (const char *name);
+
+/* The V3 demangler works in two passes.  The first pass builds a tree
+   representation of the mangled name, and the second pass turns the
+   tree representation into a demangled string.  Here we define an
+   interface to permit a caller to build their own tree
+   representation, which they can pass to the demangler to get a
+   demangled string.  This can be used to canonicalize user input into
+   something which the demangler might output.  It could also be used
+   by other demanglers in the future.  */
+
+/* These are the component types which may be found in the tree.  Many
+   component types have one or two subtrees, referred to as left and
+   right (a component type with only one subtree puts it in the left
+   subtree).  */
+
+enum demangle_component_type
+{
+  /* A name, with a length and a pointer to a string.  */
+  DEMANGLE_COMPONENT_NAME,
+  /* A qualified name.  The left subtree is a class or namespace or
+     some such thing, and the right subtree is a name qualified by
+     that class.  */
+  DEMANGLE_COMPONENT_QUAL_NAME,
+  /* A local name.  The left subtree describes a function, and the
+     right subtree is a name which is local to that function.  */
+  DEMANGLE_COMPONENT_LOCAL_NAME,
+  /* A typed name.  The left subtree is a name, and the right subtree
+     describes that name as a function.  */
+  DEMANGLE_COMPONENT_TYPED_NAME,
+  /* A template.  The left subtree is a template name, and the right
+     subtree is a template argument list.  */
+  DEMANGLE_COMPONENT_TEMPLATE,
+  /* A template parameter.  This holds a number, which is the template
+     parameter index.  */
+  DEMANGLE_COMPONENT_TEMPLATE_PARAM,
+  /* A function parameter.  This holds a number, which is the index.  */
+  DEMANGLE_COMPONENT_FUNCTION_PARAM,
+  /* A constructor.  This holds a name and the kind of
+     constructor.  */
+  DEMANGLE_COMPONENT_CTOR,
+  /* A destructor.  This holds a name and the kind of destructor.  */
+  DEMANGLE_COMPONENT_DTOR,
+  /* A vtable.  This has one subtree, the type for which this is a
+     vtable.  */
+  DEMANGLE_COMPONENT_VTABLE,
+  /* A VTT structure.  This has one subtree, the type for which this
+     is a VTT.  */
+  DEMANGLE_COMPONENT_VTT,
+  /* A construction vtable.  The left subtree is the type for which
+     this is a vtable, and the right subtree is the derived type for
+     which this vtable is built.  */
+  DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE,
+  /* A typeinfo structure.  This has one subtree, the type for which
+     this is the tpeinfo structure.  */
+  DEMANGLE_COMPONENT_TYPEINFO,
+  /* A typeinfo name.  This has one subtree, the type for which this
+     is the typeinfo name.  */
+  DEMANGLE_COMPONENT_TYPEINFO_NAME,
+  /* A typeinfo function.  This has one subtree, the type for which
+     this is the tpyeinfo function.  */
+  DEMANGLE_COMPONENT_TYPEINFO_FN,
+  /* A thunk.  This has one subtree, the name for which this is a
+     thunk.  */
+  DEMANGLE_COMPONENT_THUNK,
+  /* A virtual thunk.  This has one subtree, the name for which this
+     is a virtual thunk.  */
+  DEMANGLE_COMPONENT_VIRTUAL_THUNK,
+  /* A covariant thunk.  This has one subtree, the name for which this
+     is a covariant thunk.  */
+  DEMANGLE_COMPONENT_COVARIANT_THUNK,
+  /* A Java class.  This has one subtree, the type.  */
+  DEMANGLE_COMPONENT_JAVA_CLASS,
+  /* A guard variable.  This has one subtree, the name for which this
+     is a guard variable.  */
+  DEMANGLE_COMPONENT_GUARD,
+  /* The init and wrapper functions for C++11 thread_local variables.  */
+  DEMANGLE_COMPONENT_TLS_INIT,
+  DEMANGLE_COMPONENT_TLS_WRAPPER,
+  /* A reference temporary.  This has one subtree, the name for which
+     this is a temporary.  */
+  DEMANGLE_COMPONENT_REFTEMP,
+  /* A hidden alias.  This has one subtree, the encoding for which it
+     is providing alternative linkage.  */
+  DEMANGLE_COMPONENT_HIDDEN_ALIAS,
+  /* A standard substitution.  This holds the name of the
+     substitution.  */
+  DEMANGLE_COMPONENT_SUB_STD,
+  /* The restrict qualifier.  The one subtree is the type which is
+     being qualified.  */
+  DEMANGLE_COMPONENT_RESTRICT,
+  /* The volatile qualifier.  The one subtree is the type which is
+     being qualified.  */
+  DEMANGLE_COMPONENT_VOLATILE,
+  /* The const qualifier.  The one subtree is the type which is being
+     qualified.  */
+  DEMANGLE_COMPONENT_CONST,
+  /* The restrict qualifier modifying a member function.  The one
+     subtree is the type which is being qualified.  */
+  DEMANGLE_COMPONENT_RESTRICT_THIS,
+  /* The volatile qualifier modifying a member function.  The one
+     subtree is the type which is being qualified.  */
+  DEMANGLE_COMPONENT_VOLATILE_THIS,
+  /* The const qualifier modifying a member function.  The one subtree
+     is the type which is being qualified.  */
+  DEMANGLE_COMPONENT_CONST_THIS,
+  /* C++11 A reference modifying a member function.  The one subtree is the
+     type which is being referenced.  */
+  DEMANGLE_COMPONENT_REFERENCE_THIS,
+  /* C++11: An rvalue reference modifying a member function.  The one
+     subtree is the type which is being referenced.  */
+  DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS,
+  /* A vendor qualifier.  The left subtree is the type which is being
+     qualified, and the right subtree is the name of the
+     qualifier.  */
+  DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL,
+  /* A pointer.  The one subtree is the type which is being pointed
+     to.  */
+  DEMANGLE_COMPONENT_POINTER,
+  /* A reference.  The one subtree is the type which is being
+     referenced.  */
+  DEMANGLE_COMPONENT_REFERENCE,
+  /* C++0x: An rvalue reference.  The one subtree is the type which is
+     being referenced.  */
+  DEMANGLE_COMPONENT_RVALUE_REFERENCE,
+  /* A complex type.  The one subtree is the base type.  */
+  DEMANGLE_COMPONENT_COMPLEX,
+  /* An imaginary type.  The one subtree is the base type.  */
+  DEMANGLE_COMPONENT_IMAGINARY,
+  /* A builtin type.  This holds the builtin type information.  */
+  DEMANGLE_COMPONENT_BUILTIN_TYPE,
+  /* A vendor's builtin type.  This holds the name of the type.  */
+  DEMANGLE_COMPONENT_VENDOR_TYPE,
+  /* A function type.  The left subtree is the return type.  The right
+     subtree is a list of ARGLIST nodes.  Either or both may be
+     NULL.  */
+  DEMANGLE_COMPONENT_FUNCTION_TYPE,
+  /* An array type.  The left subtree is the dimension, which may be
+     NULL, or a string (represented as DEMANGLE_COMPONENT_NAME), or an
+     expression.  The right subtree is the element type.  */
+  DEMANGLE_COMPONENT_ARRAY_TYPE,
+  /* A pointer to member type.  The left subtree is the class type,
+     and the right subtree is the member type.  CV-qualifiers appear
+     on the latter.  */
+  DEMANGLE_COMPONENT_PTRMEM_TYPE,
+  /* A fixed-point type.  */
+  DEMANGLE_COMPONENT_FIXED_TYPE,
+  /* A vector type.  The left subtree is the number of elements,
+     the right subtree is the element type.  */
+  DEMANGLE_COMPONENT_VECTOR_TYPE,
+  /* An argument list.  The left subtree is the current argument, and
+     the right subtree is either NULL or another ARGLIST node.  */
+  DEMANGLE_COMPONENT_ARGLIST,
+  /* A template argument list.  The left subtree is the current
+     template argument, and the right subtree is either NULL or
+     another TEMPLATE_ARGLIST node.  */
+  DEMANGLE_COMPONENT_TEMPLATE_ARGLIST,
+  /* An initializer list.  The left subtree is either an explicit type or
+     NULL, and the right subtree is a DEMANGLE_COMPONENT_ARGLIST.  */
+  DEMANGLE_COMPONENT_INITIALIZER_LIST,
+  /* An operator.  This holds information about a standard
+     operator.  */
+  DEMANGLE_COMPONENT_OPERATOR,
+  /* An extended operator.  This holds the number of arguments, and
+     the name of the extended operator.  */
+  DEMANGLE_COMPONENT_EXTENDED_OPERATOR,
+  /* A typecast, represented as a unary operator.  The one subtree is
+     the type to which the argument should be cast.  */
+  DEMANGLE_COMPONENT_CAST,
+  /* A nullary expression.  The left subtree is the operator.  */
+  DEMANGLE_COMPONENT_NULLARY,
+  /* A unary expression.  The left subtree is the operator, and the
+     right subtree is the single argument.  */
+  DEMANGLE_COMPONENT_UNARY,
+  /* A binary expression.  The left subtree is the operator, and the
+     right subtree is a BINARY_ARGS.  */
+  DEMANGLE_COMPONENT_BINARY,
+  /* Arguments to a binary expression.  The left subtree is the first
+     argument, and the right subtree is the second argument.  */
+  DEMANGLE_COMPONENT_BINARY_ARGS,
+  /* A trinary expression.  The left subtree is the operator, and the
+     right subtree is a TRINARY_ARG1.  */
+  DEMANGLE_COMPONENT_TRINARY,
+  /* Arguments to a trinary expression.  The left subtree is the first
+     argument, and the right subtree is a TRINARY_ARG2.  */
+  DEMANGLE_COMPONENT_TRINARY_ARG1,
+  /* More arguments to a trinary expression.  The left subtree is the
+     second argument, and the right subtree is the third argument.  */
+  DEMANGLE_COMPONENT_TRINARY_ARG2,
+  /* A literal.  The left subtree is the type, and the right subtree
+     is the value, represented as a DEMANGLE_COMPONENT_NAME.  */
+  DEMANGLE_COMPONENT_LITERAL,
+  /* A negative literal.  Like LITERAL, but the value is negated.
+     This is a minor hack: the NAME used for LITERAL points directly
+     to the mangled string, but since negative numbers are mangled
+     using 'n' instead of '-', we want a way to indicate a negative
+     number which involves neither modifying the mangled string nor
+     allocating a new copy of the literal in memory.  */
+  DEMANGLE_COMPONENT_LITERAL_NEG,
+  /* A libgcj compiled resource.  The left subtree is the name of the
+     resource.  */
+  DEMANGLE_COMPONENT_JAVA_RESOURCE,
+  /* A name formed by the concatenation of two parts.  The left
+     subtree is the first part and the right subtree the second.  */
+  DEMANGLE_COMPONENT_COMPOUND_NAME,
+  /* A name formed by a single character.  */
+  DEMANGLE_COMPONENT_CHARACTER,
+  /* A number.  */
+  DEMANGLE_COMPONENT_NUMBER,
+  /* A decltype type.  */
+  DEMANGLE_COMPONENT_DECLTYPE,
+  /* Global constructors keyed to name.  */
+  DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS,
+  /* Global destructors keyed to name.  */
+  DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS,
+  /* A lambda closure type.  */
+  DEMANGLE_COMPONENT_LAMBDA,
+  /* A default argument scope.  */
+  DEMANGLE_COMPONENT_DEFAULT_ARG,
+  /* An unnamed type.  */
+  DEMANGLE_COMPONENT_UNNAMED_TYPE,
+  /* A transactional clone.  This has one subtree, the encoding for
+     which it is providing alternative linkage.  */
+  DEMANGLE_COMPONENT_TRANSACTION_CLONE,
+  /* A non-transactional clone entry point.  In the i386/x86_64 abi,
+     the unmangled symbol of a tm_callable becomes a thunk and the
+     non-transactional function version is mangled thus.  */
+  DEMANGLE_COMPONENT_NONTRANSACTION_CLONE,
+  /* A pack expansion.  */
+  DEMANGLE_COMPONENT_PACK_EXPANSION,
+  /* A name with an ABI tag.  */
+  DEMANGLE_COMPONENT_TAGGED_NAME,
+  /* A cloned function.  */
+  DEMANGLE_COMPONENT_CLONE
+};
+
+/* Types which are only used internally.  */
+
+struct demangle_operator_info;
+struct demangle_builtin_type_info;
+
+/* A node in the tree representation is an instance of a struct
+   demangle_component.  Note that the field names of the struct are
+   not well protected against macros defined by the file including
+   this one.  We can fix this if it ever becomes a problem.  */
+
+struct demangle_component
+{
+  /* The type of this component.  */
+  enum demangle_component_type type;
+
+  union
+  {
+    /* For DEMANGLE_COMPONENT_NAME.  */
+    struct
+    {
+      /* A pointer to the name (which need not NULL terminated) and
+	 its length.  */
+      const char *s;
+      int len;
+    } s_name;
+
+    /* For DEMANGLE_COMPONENT_OPERATOR.  */
+    struct
+    {
+      /* Operator.  */
+      const struct demangle_operator_info *op;
+    } s_operator;
+
+    /* For DEMANGLE_COMPONENT_EXTENDED_OPERATOR.  */
+    struct
+    {
+      /* Number of arguments.  */
+      int args;
+      /* Name.  */
+      struct demangle_component *name;
+    } s_extended_operator;
+
+    /* For DEMANGLE_COMPONENT_FIXED_TYPE.  */
+    struct
+    {
+      /* The length, indicated by a C integer type name.  */
+      struct demangle_component *length;
+      /* _Accum or _Fract?  */
+      short accum;
+      /* Saturating or not?  */
+      short sat;
+    } s_fixed;
+
+    /* For DEMANGLE_COMPONENT_CTOR.  */
+    struct
+    {
+      /* Kind of constructor.  */
+      enum gnu_v3_ctor_kinds kind;
+      /* Name.  */
+      struct demangle_component *name;
+    } s_ctor;
+
+    /* For DEMANGLE_COMPONENT_DTOR.  */
+    struct
+    {
+      /* Kind of destructor.  */
+      enum gnu_v3_dtor_kinds kind;
+      /* Name.  */
+      struct demangle_component *name;
+    } s_dtor;
+
+    /* For DEMANGLE_COMPONENT_BUILTIN_TYPE.  */
+    struct
+    {
+      /* Builtin type.  */
+      const struct demangle_builtin_type_info *type;
+    } s_builtin;
+
+    /* For DEMANGLE_COMPONENT_SUB_STD.  */
+    struct
+    {
+      /* Standard substitution string.  */
+      const char* string;
+      /* Length of string.  */
+      int len;
+    } s_string;
+
+    /* For DEMANGLE_COMPONENT_*_PARAM.  */
+    struct
+    {
+      /* Parameter index.  */
+      long number;
+    } s_number;
+
+    /* For DEMANGLE_COMPONENT_CHARACTER.  */
+    struct
+    {
+      int character;
+    } s_character;
+
+    /* For other types.  */
+    struct
+    {
+      /* Left (or only) subtree.  */
+      struct demangle_component *left;
+      /* Right subtree.  */
+      struct demangle_component *right;
+    } s_binary;
+
+    struct
+    {
+      /* subtree, same place as d_left.  */
+      struct demangle_component *sub;
+      /* integer.  */
+      int num;
+    } s_unary_num;
+
+  } u;
+};
+
+/* People building mangled trees are expected to allocate instances of
+   struct demangle_component themselves.  They can then call one of
+   the following functions to fill them in.  */
+
+/* Fill in most component types with a left subtree and a right
+   subtree.  Returns non-zero on success, zero on failure, such as an
+   unrecognized or inappropriate component type.  */
+
+extern int
+cplus_demangle_fill_component (struct demangle_component *fill,
+                               enum demangle_component_type,
+                               struct demangle_component *left,
+                               struct demangle_component *right);
+
+/* Fill in a DEMANGLE_COMPONENT_NAME.  Returns non-zero on success,
+   zero for bad arguments.  */
+
+extern int
+cplus_demangle_fill_name (struct demangle_component *fill,
+                          const char *, int);
+
+/* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE, using the name of the
+   builtin type (e.g., "int", etc.).  Returns non-zero on success,
+   zero if the type is not recognized.  */
+
+extern int
+cplus_demangle_fill_builtin_type (struct demangle_component *fill,
+                                  const char *type_name);
+
+/* Fill in a DEMANGLE_COMPONENT_OPERATOR, using the name of the
+   operator and the number of arguments which it takes (the latter is
+   used to disambiguate operators which can be both binary and unary,
+   such as '-').  Returns non-zero on success, zero if the operator is
+   not recognized.  */
+
+extern int
+cplus_demangle_fill_operator (struct demangle_component *fill,
+                              const char *opname, int args);
+
+/* Fill in a DEMANGLE_COMPONENT_EXTENDED_OPERATOR, providing the
+   number of arguments and the name.  Returns non-zero on success,
+   zero for bad arguments.  */
+
+extern int
+cplus_demangle_fill_extended_operator (struct demangle_component *fill,
+                                       int numargs,
+                                       struct demangle_component *nm);
+
+/* Fill in a DEMANGLE_COMPONENT_CTOR.  Returns non-zero on success,
+   zero for bad arguments.  */
+
+extern int
+cplus_demangle_fill_ctor (struct demangle_component *fill,
+                          enum gnu_v3_ctor_kinds kind,
+                          struct demangle_component *name);
+
+/* Fill in a DEMANGLE_COMPONENT_DTOR.  Returns non-zero on success,
+   zero for bad arguments.  */
+
+extern int
+cplus_demangle_fill_dtor (struct demangle_component *fill,
+                          enum gnu_v3_dtor_kinds kind,
+                          struct demangle_component *name);
+
+/* This function translates a mangled name into a struct
+   demangle_component tree.  The first argument is the mangled name.
+   The second argument is DMGL_* options.  This returns a pointer to a
+   tree on success, or NULL on failure.  On success, the third
+   argument is set to a block of memory allocated by malloc.  This
+   block should be passed to free when the tree is no longer
+   needed.  */
+
+extern struct demangle_component *
+cplus_demangle_v3_components (const char *mangled, int options, void **mem);
+
+/* This function takes a struct demangle_component tree and returns
+   the corresponding demangled string.  The first argument is DMGL_*
+   options.  The second is the tree to demangle.  The third is a guess
+   at the length of the demangled string, used to initially allocate
+   the return buffer.  The fourth is a pointer to a size_t.  On
+   success, this function returns a buffer allocated by malloc(), and
+   sets the size_t pointed to by the fourth argument to the size of
+   the allocated buffer (not the length of the returned string).  On
+   failure, this function returns NULL, and sets the size_t pointed to
+   by the fourth argument to 0 for an invalid tree, or to 1 for a
+   memory allocation error.  */
+
+extern char *
+cplus_demangle_print (int options,
+                      const struct demangle_component *tree,
+                      int estimated_length,
+                      size_t *p_allocated_size);
+
+/* This function takes a struct demangle_component tree and passes back
+   a demangled string in one or more calls to a callback function.
+   The first argument is DMGL_* options.  The second is the tree to
+   demangle.  The third is a pointer to a callback function; on each call
+   this receives an element of the demangled string, its length, and an
+   opaque value.  The fourth is the opaque value passed to the callback.
+   The callback is called once or more to return the full demangled
+   string.  The demangled element string is always nul-terminated, though
+   its length is also provided for convenience.  In contrast to
+   cplus_demangle_print(), this function does not allocate heap memory
+   to grow output strings (except perhaps where alloca() is implemented
+   by malloc()), and so is normally safe for use where the heap has been
+   corrupted.  On success, this function returns 1; on failure, 0.  */
+
+extern int
+cplus_demangle_print_callback (int options,
+                               const struct demangle_component *tree,
+                               demangle_callbackref callback, void *opaque);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif	/* DEMANGLE_H */