Subversion Repositories openrisc_2011-10-31

/* debug.h -- Describe generic debugging information.

   Copyright 1995, 1996, 2002, 2003, 2007 Free Software Foundation, Inc.

   Written by Ian Lance Taylor <ian@cygnus.com>.

   This file is part of GNU Binutils.

   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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA

   02110-1301, USA.  */

#ifndef DEBUG_H

#define DEBUG_H

/* This header file describes a generic debugging information format.

   We may eventually have readers which convert different formats into

   this generic format, and writers which write it out.  The initial

   impetus for this was writing a converter from stabs to HP IEEE-695

   debugging format.  */

/* Different kinds of types.  */

enum debug_type_kind

{

  /* Not used.  */

  DEBUG_KIND_ILLEGAL,

  /* Indirect via a pointer.  */

  DEBUG_KIND_INDIRECT,

  /* Void.  */

  DEBUG_KIND_VOID,

  /* Integer.  */

  DEBUG_KIND_INT,

  /* Floating point.  */

  DEBUG_KIND_FLOAT,

  /* Complex.  */

  DEBUG_KIND_COMPLEX,

  /* Boolean.  */

  DEBUG_KIND_BOOL,

  /* Struct.  */

  DEBUG_KIND_STRUCT,

  /* Union.  */

  DEBUG_KIND_UNION,

  /* Class.  */

  DEBUG_KIND_CLASS,

  /* Union class (can this really happen?).  */

  DEBUG_KIND_UNION_CLASS,

  /* Enumeration type.  */

  DEBUG_KIND_ENUM,

  /* Pointer.  */

  DEBUG_KIND_POINTER,

  /* Function.  */

  DEBUG_KIND_FUNCTION,

  /* Reference.  */

  DEBUG_KIND_REFERENCE,

  /* Range.  */

  DEBUG_KIND_RANGE,

  /* Array.  */

  DEBUG_KIND_ARRAY,

  /* Set.  */

  DEBUG_KIND_SET,

  /* Based pointer.  */

  DEBUG_KIND_OFFSET,

  /* Method.  */

  DEBUG_KIND_METHOD,

  /* Const qualified type.  */

  DEBUG_KIND_CONST,

  /* Volatile qualified type.  */

  DEBUG_KIND_VOLATILE,

  /* Named type.  */

  DEBUG_KIND_NAMED,

  /* Tagged type.  */

  DEBUG_KIND_TAGGED

};

/* Different kinds of variables.  */

enum debug_var_kind

{

  /* Not used.  */

  DEBUG_VAR_ILLEGAL,

  /* A global variable.  */

  DEBUG_GLOBAL,

  /* A static variable.  */

  DEBUG_STATIC,

  /* A local static variable.  */

  DEBUG_LOCAL_STATIC,

  /* A local variable.  */

  DEBUG_LOCAL,

  /* A register variable.  */

  DEBUG_REGISTER

};

/* Different kinds of function parameters.  */

enum debug_parm_kind

{

  /* Not used.  */

  DEBUG_PARM_ILLEGAL,

  /* A stack based parameter.  */

  DEBUG_PARM_STACK,

  /* A register parameter.  */

  DEBUG_PARM_REG,

  /* A stack based reference parameter.  */

  DEBUG_PARM_REFERENCE,

  /* A register reference parameter.  */

  DEBUG_PARM_REF_REG

};

/* Different kinds of visibility.  */

enum debug_visibility

{

  /* A public field (e.g., a field in a C struct).  */

  DEBUG_VISIBILITY_PUBLIC,

  /* A protected field.  */

  DEBUG_VISIBILITY_PROTECTED,

  /* A private field.  */

  DEBUG_VISIBILITY_PRIVATE,

  /* A field which should be ignored.  */

  DEBUG_VISIBILITY_IGNORE

};

/* A type.  */

typedef struct debug_type *debug_type;

#define DEBUG_TYPE_NULL ((debug_type) NULL)

/* A field in a struct or union.  */

typedef struct debug_field *debug_field;

#define DEBUG_FIELD_NULL ((debug_field) NULL)

/* A base class for an object.  */

typedef struct debug_baseclass *debug_baseclass;

#define DEBUG_BASECLASS_NULL ((debug_baseclass) NULL)

/* A method of an object.  */

typedef struct debug_method *debug_method;

#define DEBUG_METHOD_NULL ((debug_method) NULL)

/* The arguments to a method function of an object.  These indicate

   which method to run.  */

typedef struct debug_method_variant *debug_method_variant;

#define DEBUG_METHOD_VARIANT_NULL ((debug_method_variant) NULL)

/* This structure is passed to debug_write.  It holds function

   pointers that debug_write will call based on the accumulated

   debugging information.  */

struct debug_write_fns

{

  /* This is called at the start of each new compilation unit with the

     name of the main file in the new unit.  */

  bfd_boolean (*start_compilation_unit) (void *, const char *);

  /* This is called at the start of each source file within a

     compilation unit, before outputting any global information for

     that file.  The argument is the name of the file.  */

  bfd_boolean (*start_source) (void *, const char *);

  /* Each writer must keep a stack of types.  */

  /* Push an empty type onto the type stack.  This type can appear if

     there is a reference to a type which is never defined.  */

  bfd_boolean (*empty_type) (void *);

  /* Push a void type onto the type stack.  */

  bfd_boolean (*void_type) (void *);

  /* Push an integer type onto the type stack, given the size and

     whether it is unsigned.  */

  bfd_boolean (*int_type) (void *, unsigned int, bfd_boolean);

  /* Push a floating type onto the type stack, given the size.  */

  bfd_boolean (*float_type) (void *, unsigned int);

  /* Push a complex type onto the type stack, given the size.  */

  bfd_boolean (*complex_type) (void *, unsigned int);

  /* Push a bfd_boolean type onto the type stack, given the size.  */

  bfd_boolean (*bool_type) (void *, unsigned int);

  /* Push an enum type onto the type stack, given the tag, a NULL

     terminated array of names and the associated values.  If there is

     no tag, the tag argument will be NULL.  If this is an undefined

     enum, the names and values arguments will be NULL.  */

  bfd_boolean (*enum_type)

    (void *, const char *, const char **, bfd_signed_vma *);

  /* Pop the top type on the type stack, and push a pointer to that

     type onto the type stack.  */

  bfd_boolean (*pointer_type) (void *);

  /* Push a function type onto the type stack.  The second argument

     indicates the number of argument types that have been pushed onto

     the stack.  If the number of argument types is passed as -1, then

     the argument types of the function are unknown, and no types have

     been pushed onto the stack.  The third argument is TRUE if the

     function takes a variable number of arguments.  The return type

     of the function is pushed onto the type stack below the argument

     types, if any.  */

  bfd_boolean (*function_type) (void *, int, bfd_boolean);

  /* Pop the top type on the type stack, and push a reference to that

     type onto the type stack.  */

  bfd_boolean (*reference_type) (void *);

  /* Pop the top type on the type stack, and push a range of that type

     with the given lower and upper bounds onto the type stack.  */

  bfd_boolean (*range_type) (void *, bfd_signed_vma, bfd_signed_vma);

  /* Push an array type onto the type stack.  The top type on the type

     stack is the range, and the next type on the type stack is the

     element type.  These should be popped before the array type is

     pushed.  The arguments are the lower bound, the upper bound, and

     whether the array is a string.  */

  bfd_boolean (*array_type)

    (void *, bfd_signed_vma, bfd_signed_vma, bfd_boolean);

  /* Pop the top type on the type stack, and push a set of that type

     onto the type stack.  The argument indicates whether this set is

     a bitstring.  */

  bfd_boolean (*set_type) (void *, bfd_boolean);

  /* Push an offset type onto the type stack.  The top type on the

     type stack is the target type, and the next type on the type

     stack is the base type.  These should be popped before the offset

     type is pushed.  */

  bfd_boolean (*offset_type) (void *);

  /* Push a method type onto the type stack.  If the second argument

     is TRUE, the top type on the stack is the class to which the

     method belongs; otherwise, the class must be determined by the

     class to which the method is attached.  The third argument is the

     number of argument types; these are pushed onto the type stack in

     reverse order (the first type popped is the last argument to the

     method).  A value of -1 for the third argument means that no

     argument information is available.  The fourth argument is TRUE

     if the function takes a variable number of arguments.  The next

     type on the type stack below the domain and the argument types is

     the return type of the method.  All these types must be popped,

     and then the method type must be pushed.  */

  bfd_boolean (*method_type) (void *, bfd_boolean, int, bfd_boolean);

  /* Pop the top type off the type stack, and push a const qualified

     version of that type onto the type stack.  */

  bfd_boolean (*const_type) (void *);

  /* Pop the top type off the type stack, and push a volatile

     qualified version of that type onto the type stack.  */

  bfd_boolean (*volatile_type) (void *);

  /* Start building a struct.  This is followed by calls to the

     struct_field function, and finished by a call to the

     end_struct_type function.  The second argument is the tag; this

     will be NULL if there isn't one.  If the second argument is NULL,

     the third argument is a constant identifying this struct for use

     with tag_type.  The fourth argument is TRUE for a struct, FALSE

     for a union.  The fifth argument is the size.  If this is an

     undefined struct or union, the size will be 0 and struct_field

     will not be called before end_struct_type is called.  */

  bfd_boolean (*start_struct_type)

    (void *, const char *, unsigned int, bfd_boolean, unsigned int);

  /* Add a field to the struct type currently being built.  The type

     of the field should be popped off the type stack.  The arguments

     are the name, the bit position, the bit size (may be zero if the

     field is not packed), and the visibility.  */

  bfd_boolean (*struct_field)

    (void *, const char *, bfd_vma, bfd_vma, enum debug_visibility);

  /* Finish building a struct, and push it onto the type stack.  */

  bfd_boolean (*end_struct_type) (void *);

  /* Start building a class.  This is followed by calls to several

     functions: struct_field, class_static_member, class_baseclass,

     class_start_method, class_method_variant,

     class_static_method_variant, and class_end_method.  The class is

     finished by a call to end_class_type.  The first five arguments

     are the same as for start_struct_type.  The sixth argument is

     TRUE if there is a virtual function table; if there is, the

     seventh argument is TRUE if the virtual function table can be

     found in the type itself, and is FALSE if the type of the object

     holding the virtual function table should be popped from the type

     stack.  */

  bfd_boolean (*start_class_type)

    (void *, const char *, unsigned int, bfd_boolean, unsigned int,

     bfd_boolean, bfd_boolean);

  /* Add a static member to the class currently being built.  The

     arguments are the field name, the physical name, and the

     visibility.  The type must be popped off the type stack.  */

  bfd_boolean (*class_static_member)

    (void *, const char *, const char *, enum debug_visibility);

  /* Add a baseclass to the class currently being built.  The type of

     the baseclass must be popped off the type stack.  The arguments

     are the bit position, whether the class is virtual, and the

     visibility.  */

  bfd_boolean (*class_baseclass)

    (void *, bfd_vma, bfd_boolean, enum debug_visibility);

  /* Start adding a method to the class currently being built.  This

     is followed by calls to class_method_variant and

     class_static_method_variant to describe different variants of the

     method which take different arguments.  The method is finished

     with a call to class_end_method.  The argument is the method

     name.  */

  bfd_boolean (*class_start_method) (void *, const char *);

  /* Describe a variant to the class method currently being built.

     The type of the variant must be popped off the type stack.  The

     second argument is the physical name of the function.  The

     following arguments are the visibility, whether the variant is

     const, whether the variant is volatile, the offset in the virtual

     function table, and whether the context is on the type stack

     (below the variant type).  */

  bfd_boolean (*class_method_variant)

    (void *, const char *, enum debug_visibility, bfd_boolean,

     bfd_boolean, bfd_vma, bfd_boolean);

  /* Describe a static variant to the class method currently being

     built.  The arguments are the same as for class_method_variant,

     except that the last two arguments are omitted.  The type of the

     variant must be popped off the type stack.  */

  bfd_boolean (*class_static_method_variant)

    (void *, const char *, enum debug_visibility, bfd_boolean,

     bfd_boolean);

  /* Finish describing a class method.  */

  bfd_boolean (*class_end_method) (void *);

  /* Finish describing a class, and push it onto the type stack.  */

  bfd_boolean (*end_class_type) (void *);

  /* Push a type on the stack which was given a name by an earlier

     call to typdef.  */

  bfd_boolean (*typedef_type) (void *, const char *);

  /* Push a tagged type on the stack which was defined earlier.  If

     the second argument is not NULL, the type was defined by a call

     to tag.  If the second argument is NULL, the type was defined by

     a call to start_struct_type or start_class_type with a tag of

     NULL and the number of the third argument.  Either way, the

     fourth argument is the tag kind.  Note that this may be called

     for a struct (class) being defined, in between the call to

     start_struct_type (start_class_type) and the call to

     end_struct_type (end_class_type).  */

  bfd_boolean (*tag_type)

    (void *, const char *, unsigned int, enum debug_type_kind);

  /* Pop the type stack, and typedef it to the given name.  */

  bfd_boolean (*typdef) (void *, const char *);

  /* Pop the type stack, and declare it as a tagged struct or union or

     enum or whatever.  The tag passed down here is redundant, since

     was also passed when enum_type, start_struct_type, or

     start_class_type was called.  */

  bfd_boolean (*tag) (void *, const char *);

  /* This is called to record a named integer constant.  */

  bfd_boolean (*int_constant) (void *, const char *, bfd_vma);

  /* This is called to record a named floating point constant.  */

  bfd_boolean (*float_constant) (void *, const char *, double);

  /* This is called to record a typed integer constant.  The type is

     popped off the type stack.  */

  bfd_boolean (*typed_constant) (void *, const char *, bfd_vma);

  /* This is called to record a variable.  The type is popped off the

     type stack.  */

  bfd_boolean (*variable)

    (void *, const char *, enum debug_var_kind, bfd_vma);

  /* Start writing out a function.  The return type must be popped off

     the stack.  The bfd_boolean is TRUE if the function is global.  This

     is followed by calls to function_parameter, followed by block

     information.  */

  bfd_boolean (*start_function) (void *, const char *, bfd_boolean);

  /* Record a function parameter for the current function.  The type

     must be popped off the stack.  */

  bfd_boolean (*function_parameter)

    (void *, const char *, enum debug_parm_kind, bfd_vma);

  /* Start writing out a block.  There is at least one top level block

     per function.  Blocks may be nested.  The argument is the

     starting address of the block.  */

  bfd_boolean (*start_block) (void *, bfd_vma);

  /* Finish writing out a block.  The argument is the ending address

     of the block.  */

  bfd_boolean (*end_block) (void *, bfd_vma);

  /* Finish writing out a function.  */

  bfd_boolean (*end_function) (void *);

  /* Record line number information for the current compilation unit.  */

  bfd_boolean (*lineno) (void *, const char *, unsigned long, bfd_vma);

};

/* Exported functions.  */

/* The first argument to most of these functions is a handle.  This

   handle is returned by the debug_init function.  The purpose of the

   handle is to permit the debugging routines to not use static

   variables, and hence to be reentrant.  This would be useful for a

   program which wanted to handle two executables simultaneously.  */

/* Return a debugging handle.  */

extern void *debug_init (void);

/* Set the source filename.  This implicitly starts a new compilation

   unit.  */

extern bfd_boolean debug_set_filename (void *, const char *);

/* Change source files to the given file name.  This is used for

   include files in a single compilation unit.  */

extern bfd_boolean debug_start_source (void *, const char *);

/* Record a function definition.  This implicitly starts a function

   block.  The debug_type argument is the type of the return value.

   The bfd_boolean indicates whether the function is globally visible.

   The bfd_vma is the address of the start of the function.  Currently

   the parameter types are specified by calls to

   debug_record_parameter.  */

extern bfd_boolean debug_record_function

  (void *, const char *, debug_type, bfd_boolean, bfd_vma);

/* Record a parameter for the current function.  */

extern bfd_boolean debug_record_parameter

  (void *, const char *, debug_type, enum debug_parm_kind, bfd_vma);

/* End a function definition.  The argument is the address where the

   function ends.  */

extern bfd_boolean debug_end_function (void *, bfd_vma);

/* Start a block in a function.  All local information will be

   recorded in this block, until the matching call to debug_end_block.

   debug_start_block and debug_end_block may be nested.  The argument

   is the address at which this block starts.  */

extern bfd_boolean debug_start_block (void *, bfd_vma);

/* Finish a block in a function.  This matches the call to

   debug_start_block.  The argument is the address at which this block

   ends.  */

extern bfd_boolean debug_end_block (void *, bfd_vma);

/* Associate a line number in the current source file with a given

   address.  */

extern bfd_boolean debug_record_line (void *, unsigned long, bfd_vma);

/* Start a named common block.  This is a block of variables that may

   move in memory.  */

extern bfd_boolean debug_start_common_block (void *, const char *);

/* End a named common block.  */

extern bfd_boolean debug_end_common_block (void *, const char *);

/* Record a named integer constant.  */

extern bfd_boolean debug_record_int_const (void *, const char *, bfd_vma);

/* Record a named floating point constant.  */

extern bfd_boolean debug_record_float_const (void *, const char *, double);

/* Record a typed constant with an integral value.  */

extern bfd_boolean debug_record_typed_const

  (void *, const char *, debug_type, bfd_vma);

/* Record a label.  */

extern bfd_boolean debug_record_label

  (void *, const char *, debug_type, bfd_vma);

/* Record a variable.  */

extern bfd_boolean debug_record_variable

  (void *, const char *, debug_type, enum debug_var_kind, bfd_vma);

/* Make an indirect type.  The first argument is a pointer to the

   location where the real type will be placed.  The second argument

   is the type tag, if there is one; this may be NULL; the only

   purpose of this argument is so that debug_get_type_name can return

   something useful.  This function may be used when a type is

   referenced before it is defined.  */

extern debug_type debug_make_indirect_type

  (void *, debug_type *, const char *);

/* Make a void type.  */

extern debug_type debug_make_void_type (void *);

/* Make an integer type of a given size.  The bfd_boolean argument is TRUE

   if the integer is unsigned.  */

extern debug_type debug_make_int_type (void *, unsigned int, bfd_boolean);

/* Make a floating point type of a given size.  FIXME: On some

   platforms, like an Alpha, you probably need to be able to specify

   the format.  */

extern debug_type debug_make_float_type (void *, unsigned int);

/* Make a boolean type of a given size.  */

extern debug_type debug_make_bool_type (void *, unsigned int);

/* Make a complex type of a given size.  */

extern debug_type debug_make_complex_type (void *, unsigned int);

/* Make a structure type.  The second argument is TRUE for a struct,

   FALSE for a union.  The third argument is the size of the struct.

   The fourth argument is a NULL terminated array of fields.  */

extern debug_type debug_make_struct_type

  (void *, bfd_boolean, bfd_vma, debug_field *);

/* Make an object type.  The first three arguments after the handle

   are the same as for debug_make_struct_type.  The next arguments are

   a NULL terminated array of base classes, a NULL terminated array of

   methods, the type of the object holding the virtual function table

   if it is not this object, and a bfd_boolean which is TRUE if this

   object has its own virtual function table.  */

extern debug_type debug_make_object_type

  (void *, bfd_boolean, bfd_vma, debug_field *, debug_baseclass *,

   debug_method *, debug_type, bfd_boolean);

/* Make an enumeration type.  The arguments are a null terminated

   array of strings, and an array of corresponding values.  */

extern debug_type debug_make_enum_type

  (void *, const char **, bfd_signed_vma *);

/* Make a pointer to a given type.  */

extern debug_type debug_make_pointer_type (void *, debug_type);

/* Make a function type.  The second argument is the return type.  The

   third argument is a NULL terminated array of argument types.  The

   fourth argument is TRUE if the function takes a variable number of

   arguments.  If the third argument is NULL, then the argument types

   are unknown.  */

extern debug_type debug_make_function_type

  (void *, debug_type, debug_type *, bfd_boolean);

/* Make a reference to a given type.  */

extern debug_type debug_make_reference_type (void *, debug_type);

/* Make a range of a given type from a lower to an upper bound.  */

extern debug_type debug_make_range_type

  (void *, debug_type, bfd_signed_vma, bfd_signed_vma);

/* Make an array type.  The second argument is the type of an element

   of the array.  The third argument is the type of a range of the

   array.  The fourth and fifth argument are the lower and upper

   bounds, respectively (if the bounds are not known, lower should be

   array is actually a string, as in C.  */

extern debug_type debug_make_array_type

  (void *, debug_type, debug_type, bfd_signed_vma, bfd_signed_vma,

   bfd_boolean);

/* Make a set of a given type.  For example, a Pascal set type.  The

   bfd_boolean argument is TRUE if this set is actually a bitstring, as in

   CHILL.  */

extern debug_type debug_make_set_type (void *, debug_type, bfd_boolean);

/* Make a type for a pointer which is relative to an object.  The

   second argument is the type of the object to which the pointer is

   relative.  The third argument is the type that the pointer points

   to.  */

extern debug_type debug_make_offset_type (void *, debug_type, debug_type);

/* Make a type for a method function.  The second argument is the

   return type.  The third argument is the domain.  The fourth

   argument is a NULL terminated array of argument types.  The fifth

   argument is TRUE if the function takes a variable number of

   arguments, in which case the array of argument types indicates the

   types of the first arguments.  The domain and the argument array

   may be NULL, in which case this is a stub method and that

   information is not available.  Stabs debugging uses this, and gets

   the argument types from the mangled name.  */

extern debug_type debug_make_method_type

  (void *, debug_type, debug_type, debug_type *, bfd_boolean);

/* Make a const qualified version of a given type.  */

extern debug_type debug_make_const_type (void *, debug_type);

/* Make a volatile qualified version of a given type.  */

extern debug_type debug_make_volatile_type (void *, debug_type);

/* Make an undefined tagged type.  For example, a struct which has

   been mentioned, but not defined.  */

extern debug_type debug_make_undefined_tagged_type

  (void *, const char *, enum debug_type_kind);

/* Make a base class for an object.  The second argument is the base

   class type.  The third argument is the bit position of this base

   class in the object.  The fourth argument is whether this is a

   virtual class.  The fifth argument is the visibility of the base

   class.  */

extern debug_baseclass debug_make_baseclass

  (void *, debug_type, bfd_vma, bfd_boolean, enum debug_visibility);

/* Make a field for a struct.  The second argument is the name.  The

   third argument is the type of the field.  The fourth argument is

   the bit position of the field.  The fifth argument is the size of

   the field (it may be zero).  The sixth argument is the visibility

   of the field.  */

extern debug_field debug_make_field

  (void *, const char *, debug_type, bfd_vma, bfd_vma, enum debug_visibility);

/* Make a static member of an object.  The second argument is the

   name.  The third argument is the type of the member.  The fourth

   argument is the physical name of the member (i.e., the name as a

   global variable).  The fifth argument is the visibility of the

   member.  */

extern debug_field debug_make_static_member

  (void *, const char *, debug_type, const char *, enum debug_visibility);

/* Make a method.  The second argument is the name, and the third

   argument is a NULL terminated array of method variants.  Each

   method variant is a method with this name but with different

   argument types.  */

extern debug_method debug_make_method

  (void *, const char *, debug_method_variant *);

/* Make a method variant.  The second argument is the physical name of

   the function.  The third argument is the type of the function,

   probably constructed by debug_make_method_type.  The fourth

   argument is the visibility.  The fifth argument is whether this is

   a const function.  The sixth argument is whether this is a volatile

   function.  The seventh argument is the index in the virtual

   function table, if any.  The eighth argument is the virtual

   function context.  */

extern debug_method_variant debug_make_method_variant

  (void *, const char *, debug_type, enum debug_visibility, bfd_boolean,

   bfd_boolean, bfd_vma, debug_type);

/* Make a static method argument.  The arguments are the same as for

   debug_make_method_variant, except that the last two are omitted

   since a static method can not also be virtual.  */

extern debug_method_variant debug_make_static_method_variant

  (void *, const char *, debug_type, enum debug_visibility, bfd_boolean,

   bfd_boolean);

/* Name a type.  This returns a new type with an attached name.  */

extern debug_type debug_name_type (void *, const char *, debug_type);

/* Give a tag to a type, such as a struct or union.  This returns a

   new type with an attached tag.  */

extern debug_type debug_tag_type (void *, const char *, debug_type);

/* Record the size of a given type.  */

extern bfd_boolean debug_record_type_size (void *, debug_type, unsigned int);

/* Find a named type.  */

extern debug_type debug_find_named_type (void *, const char *);

/* Find a tagged type.  */

extern debug_type debug_find_tagged_type

  (void *, const char *, enum debug_type_kind);

/* Get the kind of a type.  */

extern enum debug_type_kind debug_get_type_kind (void *, debug_type);

/* Get the name of a type.  */

extern const char *debug_get_type_name (void *, debug_type);

/* Get the size of a type.  */

extern bfd_vma debug_get_type_size (void *, debug_type);

/* Get the return type of a function or method type.  */

extern debug_type debug_get_return_type (void *, debug_type);

/* Get the NULL terminated array of parameter types for a function or

   method type (actually, parameter types are not currently stored for

   function types).  This may be used to determine whether a method

   type is a stub method or not.  The last argument points to a

   bfd_boolean which is set to TRUE if the function takes a variable

   number of arguments.  */

extern const debug_type *debug_get_parameter_types

  (void *, debug_type, bfd_boolean *);

/* Get the target type of a pointer or reference or const or volatile

   type.  */

extern debug_type debug_get_target_type (void *, debug_type);

/* Get the NULL terminated array of fields for a struct, union, or

   class.  */

extern const debug_field *debug_get_fields (void *, debug_type);

/* Get the type of a field.  */

extern debug_type debug_get_field_type (void *, debug_field);

/* Get the name of a field.  */

extern const char *debug_get_field_name (void *, debug_field);

/* Get the bit position of a field within the containing structure.

   If the field is a static member, this will return (bfd_vma) -1.  */