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https://sourceware.org/git/binutils-gdb.git
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07aa1e1b7a
(struct debug_write_fns): Add field ellipsis_type. Add id parameter to start_struct_type, start_class_type, and tag_type. (debug_make_ellipsis_type): Declare. (debug_find_named_type): Declare. (debug_get_type_kind): Declare. (debug_get_return_type): Declare. (debug_get_parameter_types): Declare. (debug_get_fields): Declare. (debug_get_field_type): Declare. * debug.c (struct debug_handle): Add fields class_id and base_id. (struct debug_class_type): Add field id. (struct debug_method_variant): Rename argtypes to physname. Change all uses. (debug_ellipsis_type): New static variable. (ELLIPSIS_P): New macro. (debug_make_ellipsis_type): New function. (debug_make_method_variant): Rename argtypes to physname. (debug_make_static_method_variant): Likewise. (debug_name_type): Always put types in the global namespace. (debug_find_named_type): New function. (debug_find_tagged_type): Treat DEBUG_KIND_ILLEGAL specially, rather than DEBUG_KIND_VOID. (debug_get_real_type): New static function. (debug_get_type_kind): New function. (debug_get_return_type): New function. (debug_get_parameter_types): New function. (debug_get_fields): New function. (debug_get_field_type): New function. (debug_write): Initialize base_id. (debug_write_type): Pass new id argument to tag_type. Handle DEBUG_KIND_ILLEGAL. Use id for DEBUG_KIND_STRUCT and DEBUG_KIND_UNION. Handle ellipsis for method arguments. (debug_write_class_type): Don't dereference kclass if it is NULL. Use id. * prdbg.c (pr_fns): Add pr_ellipsis_type. (pr_ellipsis_type): New static function. (pr_pointer_type): If this is a pointer to an array, parenthesize it correctly. (pr_start_struct_type): Add id parameter. (pr_start_class_type): Likewise. (pr_tag_type): Likewise. (pr_fix_visibility): Add the visibility to the top of the stack, not the second element on the stack. (pr_struct_field): Pop the stack before calling pr_fix_visibility. (pr_class_static_member): Likewise. (pr_class_start_method): Don't push a type, just set the method name in the type on the top of the stack. (pr_class_end_method): Don't pop the stack. (pr_class_method_variant): Rename argtypes parameter to physname. Append const and volatile rather than prepending them. Add a space after the physname. (pr_class_static_method_variant): Likewise. * ieee.c (ieee_fns): Add ieee_ellipsis_type. (ieee_define_named_type): Use DEBUG_KIND_ILLEGAL rather than DEBUG_KIND_VOID. (write_ieee_debugging_info): Likewise. (ieee_typdef): Likewise. (ieee_ellipsis_type): New static function. (ieee_start_struct_type): Add id parameter. (ieee_start_class_type): Likewise. (ieee_tag_type): Likewise. (ieee_class_method_variant): Rename name to physname. (ieee_class_static_method_variant): Likewise.
2852 lines
70 KiB
C
2852 lines
70 KiB
C
/* debug.c -- Handle generic debugging information.
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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Written by Ian Lance Taylor <ian@cygnus.com>.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
|
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along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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/* This file implements a generic debugging format. We may eventually
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have readers which convert different formats into this generic
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format, and writers which write it out. The initial impetus for
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this was writing a convertor from stabs to HP IEEE-695 debugging
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format. */
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#include <stdio.h>
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#include <assert.h>
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#include "bfd.h"
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#include "bucomm.h"
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#include "libiberty.h"
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#include "debug.h"
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/* Global information we keep for debugging. A pointer to this
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structure is the debugging handle passed to all the routines. */
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struct debug_handle
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{
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/* A linked list of compilation units. */
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struct debug_unit *units;
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/* The current compilation unit. */
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struct debug_unit *current_unit;
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/* The current source file. */
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struct debug_file *current_file;
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/* The current function. */
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struct debug_function *current_function;
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/* The current block. */
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struct debug_block *current_block;
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/* The current line number information for the current unit. */
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struct debug_lineno *current_lineno;
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/* Mark. This is used by debug_write. */
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unsigned int mark;
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/* Another mark used by debug_write. */
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unsigned int class_mark;
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/* A struct/class ID used by debug_write. */
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unsigned int class_id;
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/* The base for class_id for this call to debug_write. */
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unsigned int base_id;
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};
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/* Information we keep for a single compilation unit. */
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struct debug_unit
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{
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/* The next compilation unit. */
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struct debug_unit *next;
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/* A list of files included in this compilation unit. The first
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file is always the main one, and that is where the main file name
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is stored. */
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struct debug_file *files;
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/* Line number information for this compilation unit. This is not
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stored by function, because assembler code may have line number
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information without function information. */
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struct debug_lineno *linenos;
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};
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/* Information kept for a single source file. */
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struct debug_file
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{
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/* The next source file in this compilation unit. */
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struct debug_file *next;
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/* The name of the source file. */
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const char *filename;
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/* Global functions, variables, types, etc. */
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struct debug_namespace *globals;
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};
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/* A type. */
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struct debug_type
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{
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/* Kind of type. */
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enum debug_type_kind kind;
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/* Size of type (0 if not known). */
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unsigned int size;
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/* Type which is a pointer to this type. */
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debug_type pointer;
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/* Tagged union with additional information about the type. */
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union
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{
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/* DEBUG_KIND_INDIRECT. */
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struct debug_indirect_type *kindirect;
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/* DEBUG_KIND_INT. */
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/* Whether the integer is unsigned. */
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boolean kint;
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/* DEBUG_KIND_STRUCT, DEBUG_KIND_UNION, DEBUG_KIND_CLASS,
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DEBUG_KIND_UNION_CLASS. */
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struct debug_class_type *kclass;
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/* DEBUG_KIND_ENUM. */
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struct debug_enum_type *kenum;
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/* DEBUG_KIND_POINTER. */
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struct debug_type *kpointer;
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/* DEBUG_KIND_FUNCTION. */
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struct debug_function_type *kfunction;
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/* DEBUG_KIND_REFERENCE. */
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struct debug_type *kreference;
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/* DEBUG_KIND_RANGE. */
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struct debug_range_type *krange;
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/* DEBUG_KIND_ARRAY. */
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struct debug_array_type *karray;
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/* DEBUG_KIND_SET. */
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struct debug_set_type *kset;
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/* DEBUG_KIND_OFFSET. */
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struct debug_offset_type *koffset;
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/* DEBUG_KIND_METHOD. */
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struct debug_method_type *kmethod;
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/* DEBUG_KIND_CONST. */
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struct debug_type *kconst;
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/* DEBUG_KIND_VOLATILE. */
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struct debug_type *kvolatile;
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/* DEBUG_KIND_NAMED, DEBUG_KIND_TAGGED. */
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struct debug_named_type *knamed;
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} u;
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};
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/* Information kept for an indirect type. */
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struct debug_indirect_type
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{
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/* Slot where the final type will appear. */
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debug_type *slot;
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/* Tag. */
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const char *tag;
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};
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/* Information kept for a struct, union, or class. */
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struct debug_class_type
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{
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/* NULL terminated array of fields. */
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debug_field *fields;
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/* A mark field used to avoid recursively printing out structs. */
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unsigned int mark;
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/* This is used to uniquely identify unnamed structs when printing. */
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unsigned int id;
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/* The remaining fields are only used for DEBUG_KIND_CLASS and
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DEBUG_KIND_UNION_CLASS. */
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/* NULL terminated array of base classes. */
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debug_baseclass *baseclasses;
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/* NULL terminated array of methods. */
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debug_method *methods;
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/* The type of the class providing the virtual function table for
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this class. This may point to the type itself. */
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debug_type vptrbase;
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};
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/* Information kept for an enum. */
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struct debug_enum_type
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{
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/* NULL terminated array of names. */
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const char **names;
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/* Array of corresponding values. */
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bfd_signed_vma *values;
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};
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/* Information kept for a function. FIXME: We should be able to
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record the parameter types. */
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struct debug_function_type
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{
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/* Return type. */
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debug_type return_type;
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};
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/* Information kept for a range. */
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struct debug_range_type
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{
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/* Range base type. */
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debug_type type;
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/* Lower bound. */
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bfd_signed_vma lower;
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/* Upper bound. */
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bfd_signed_vma upper;
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};
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/* Information kept for an array. */
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struct debug_array_type
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{
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/* Element type. */
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debug_type element_type;
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/* Range type. */
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debug_type range_type;
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/* Lower bound. */
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bfd_signed_vma lower;
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/* Upper bound. */
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bfd_signed_vma upper;
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/* Whether this array is really a string. */
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boolean stringp;
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};
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/* Information kept for a set. */
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struct debug_set_type
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{
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/* Base type. */
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debug_type type;
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/* Whether this set is really a bitstring. */
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boolean bitstringp;
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};
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/* Information kept for an offset type (a based pointer). */
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struct debug_offset_type
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{
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/* The type the pointer is an offset from. */
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debug_type base_type;
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/* The type the pointer points to. */
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debug_type target_type;
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};
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/* Information kept for a method type. */
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struct debug_method_type
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{
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/* The return type. */
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debug_type return_type;
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/* The object type which this method is for. */
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debug_type domain_type;
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/* A NULL terminated array of argument types. */
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debug_type *arg_types;
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};
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/* Information kept for a named type. */
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struct debug_named_type
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{
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/* Name. */
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struct debug_name *name;
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/* Real type. */
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debug_type type;
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};
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/* A field in a struct or union. */
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struct debug_field
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{
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/* Name of the field. */
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const char *name;
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/* Type of the field. */
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struct debug_type *type;
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/* Visibility of the field. */
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enum debug_visibility visibility;
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/* Whether this is a static member. */
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boolean static_member;
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union
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{
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/* If static_member is false. */
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struct
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{
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/* Bit position of the field in the struct. */
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unsigned int bitpos;
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/* Size of the field in bits. */
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unsigned int bitsize;
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} f;
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/* If static_member is true. */
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struct
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{
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const char *physname;
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} s;
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} u;
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};
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/* A base class for an object. */
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struct debug_baseclass
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{
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/* Type of the base class. */
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struct debug_type *type;
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/* Bit position of the base class in the object. */
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unsigned int bitpos;
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/* Whether the base class is virtual. */
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boolean virtual;
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/* Visibility of the base class. */
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enum debug_visibility visibility;
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};
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/* A method of an object. */
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struct debug_method
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{
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/* The name of the method. */
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const char *name;
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/* A NULL terminated array of different types of variants. */
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struct debug_method_variant **variants;
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};
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/* The variants of a method function of an object. These indicate
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which method to run. */
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struct debug_method_variant
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{
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/* The physical name of the function. */
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const char *physname;
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/* The type of the function. */
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struct debug_type *type;
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/* The visibility of the function. */
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enum debug_visibility visibility;
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/* Whether the function is const. */
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boolean constp;
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/* Whether the function is volatile. */
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boolean volatilep;
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/* The offset to the function in the virtual function table. */
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bfd_vma voffset;
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/* If voffset is VOFFSET_STATIC_METHOD, this is a static method. */
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#define VOFFSET_STATIC_METHOD (1)
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/* Context of a virtual method function. */
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struct debug_type *context;
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};
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/* A variable. This is the information we keep for a variable object.
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This has no name; a name is associated with a variable in a
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debug_name structure. */
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struct debug_variable
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{
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/* Kind of variable. */
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enum debug_var_kind kind;
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/* Type. */
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debug_type type;
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/* Value. The interpretation of the value depends upon kind. */
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bfd_vma val;
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};
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/* A function. This has no name; a name is associated with a function
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in a debug_name structure. */
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struct debug_function
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{
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/* Return type. */
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debug_type return_type;
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/* Parameter information. */
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struct debug_parameter *parameters;
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/* Block information. The first structure on the list is the main
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block of the function, and describes function local variables. */
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struct debug_block *blocks;
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};
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/* A function parameter. */
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struct debug_parameter
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{
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/* Next parameter. */
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struct debug_parameter *next;
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/* Name. */
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const char *name;
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/* Type. */
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debug_type type;
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/* Kind. */
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enum debug_parm_kind kind;
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/* Value (meaning depends upon kind). */
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bfd_vma val;
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};
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/* A typed constant. */
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struct debug_typed_constant
|
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{
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/* Type. */
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debug_type type;
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/* Value. FIXME: We may eventually need to support non-integral
|
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values. */
|
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bfd_vma val;
|
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};
|
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/* Information about a block within a function. */
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||
|
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struct debug_block
|
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{
|
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/* Next block with the same parent. */
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struct debug_block *next;
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/* Parent block. */
|
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struct debug_block *parent;
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/* List of child blocks. */
|
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struct debug_block *children;
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/* Start address of the block. */
|
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bfd_vma start;
|
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/* End address of the block. */
|
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bfd_vma end;
|
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/* Local variables. */
|
||
struct debug_namespace *locals;
|
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};
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|
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/* Line number information we keep for a compilation unit. FIXME:
|
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This structure is easy to create, but can be very space
|
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inefficient. */
|
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|
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struct debug_lineno
|
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{
|
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/* More line number information for this block. */
|
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struct debug_lineno *next;
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/* Source file. */
|
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struct debug_file *file;
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/* Line numbers, terminated by a -1 or the end of the array. */
|
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#define DEBUG_LINENO_COUNT 10
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unsigned long linenos[DEBUG_LINENO_COUNT];
|
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/* Addresses for the line numbers. */
|
||
bfd_vma addrs[DEBUG_LINENO_COUNT];
|
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};
|
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|
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/* A namespace. This is a mapping from names to objects. FIXME: This
|
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should be implemented as a hash table. */
|
||
|
||
struct debug_namespace
|
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{
|
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/* List of items in this namespace. */
|
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struct debug_name *list;
|
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/* Pointer to where the next item in this namespace should go. */
|
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struct debug_name **tail;
|
||
};
|
||
|
||
/* Kinds of objects that appear in a namespace. */
|
||
|
||
enum debug_object_kind
|
||
{
|
||
/* A type. */
|
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DEBUG_OBJECT_TYPE,
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/* A tagged type (really a different sort of namespace). */
|
||
DEBUG_OBJECT_TAG,
|
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/* A variable. */
|
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DEBUG_OBJECT_VARIABLE,
|
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/* A function. */
|
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DEBUG_OBJECT_FUNCTION,
|
||
/* An integer constant. */
|
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DEBUG_OBJECT_INT_CONSTANT,
|
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/* A floating point constant. */
|
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DEBUG_OBJECT_FLOAT_CONSTANT,
|
||
/* A typed constant. */
|
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DEBUG_OBJECT_TYPED_CONSTANT
|
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};
|
||
|
||
/* Linkage of an object that appears in a namespace. */
|
||
|
||
enum debug_object_linkage
|
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{
|
||
/* Local variable. */
|
||
DEBUG_LINKAGE_AUTOMATIC,
|
||
/* Static--either file static or function static, depending upon the
|
||
namespace is. */
|
||
DEBUG_LINKAGE_STATIC,
|
||
/* Global. */
|
||
DEBUG_LINKAGE_GLOBAL,
|
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/* No linkage. */
|
||
DEBUG_LINKAGE_NONE
|
||
};
|
||
|
||
/* A name in a namespace. */
|
||
|
||
struct debug_name
|
||
{
|
||
/* Next name in this namespace. */
|
||
struct debug_name *next;
|
||
/* Name. */
|
||
const char *name;
|
||
/* Mark. This is used by debug_write. */
|
||
unsigned int mark;
|
||
/* Kind of object. */
|
||
enum debug_object_kind kind;
|
||
/* Linkage of object. */
|
||
enum debug_object_linkage linkage;
|
||
/* Tagged union with additional information about the object. */
|
||
union
|
||
{
|
||
/* DEBUG_OBJECT_TYPE. */
|
||
struct debug_type *type;
|
||
/* DEBUG_OBJECT_TAG. */
|
||
struct debug_type *tag;
|
||
/* DEBUG_OBJECT_VARIABLE. */
|
||
struct debug_variable *variable;
|
||
/* DEBUG_OBJECT_FUNCTION. */
|
||
struct debug_function *function;
|
||
/* DEBUG_OBJECT_INT_CONSTANT. */
|
||
bfd_vma int_constant;
|
||
/* DEBUG_OBJECT_FLOAT_CONSTANT. */
|
||
double float_constant;
|
||
/* DEBUG_OBJECT_TYPED_CONSTANT. */
|
||
struct debug_typed_constant *typed_constant;
|
||
} u;
|
||
};
|
||
|
||
/* This variable is an ellipsis type. The contents are not used; its
|
||
address is returned by debug_make_ellipsis_type, and anything which
|
||
needs to know whether it is dealing with an ellipsis compares
|
||
addresses. */
|
||
|
||
static const struct debug_type debug_ellipsis_type;
|
||
|
||
#define ELLIPSIS_P(t) ((t) == &debug_ellipsis_type)
|
||
|
||
/* Local functions. */
|
||
|
||
static void debug_error PARAMS ((const char *));
|
||
static struct debug_name *debug_add_to_namespace
|
||
PARAMS ((struct debug_handle *, struct debug_namespace **, const char *,
|
||
enum debug_object_kind, enum debug_object_linkage));
|
||
static struct debug_name *debug_add_to_current_namespace
|
||
PARAMS ((struct debug_handle *, const char *, enum debug_object_kind,
|
||
enum debug_object_linkage));
|
||
static struct debug_type *debug_make_type
|
||
PARAMS ((struct debug_handle *, enum debug_type_kind, unsigned int));
|
||
static struct debug_type *debug_get_real_type PARAMS ((PTR, debug_type));
|
||
static boolean debug_write_name
|
||
PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR,
|
||
struct debug_name *));
|
||
static boolean debug_write_type
|
||
PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR,
|
||
struct debug_type *, struct debug_name *));
|
||
static boolean debug_write_class_type
|
||
PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR,
|
||
struct debug_type *, const char *));
|
||
static boolean debug_write_function
|
||
PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR,
|
||
const char *, enum debug_object_linkage, struct debug_function *));
|
||
static boolean debug_write_block
|
||
PARAMS ((struct debug_handle *, const struct debug_write_fns *, PTR,
|
||
struct debug_block *));
|
||
|
||
/* Issue an error message. */
|
||
|
||
static void
|
||
debug_error (message)
|
||
const char *message;
|
||
{
|
||
fprintf (stderr, "%s\n", message);
|
||
}
|
||
|
||
/* Add an object to a namespace. */
|
||
|
||
static struct debug_name *
|
||
debug_add_to_namespace (info, nsp, name, kind, linkage)
|
||
struct debug_handle *info;
|
||
struct debug_namespace **nsp;
|
||
const char *name;
|
||
enum debug_object_kind kind;
|
||
enum debug_object_linkage linkage;
|
||
{
|
||
struct debug_name *n;
|
||
struct debug_namespace *ns;
|
||
|
||
n = (struct debug_name *) xmalloc (sizeof *n);
|
||
memset (n, 0, sizeof *n);
|
||
|
||
n->name = name;
|
||
n->kind = kind;
|
||
n->linkage = linkage;
|
||
|
||
ns = *nsp;
|
||
if (ns == NULL)
|
||
{
|
||
ns = (struct debug_namespace *) xmalloc (sizeof *ns);
|
||
memset (ns, 0, sizeof *ns);
|
||
|
||
ns->tail = &ns->list;
|
||
|
||
*nsp = ns;
|
||
}
|
||
|
||
*ns->tail = n;
|
||
ns->tail = &n->next;
|
||
|
||
return n;
|
||
}
|
||
|
||
/* Add an object to the current namespace. */
|
||
|
||
static struct debug_name *
|
||
debug_add_to_current_namespace (info, name, kind, linkage)
|
||
struct debug_handle *info;
|
||
const char *name;
|
||
enum debug_object_kind kind;
|
||
enum debug_object_linkage linkage;
|
||
{
|
||
struct debug_namespace **nsp;
|
||
|
||
if (info->current_unit == NULL
|
||
|| info->current_file == NULL)
|
||
{
|
||
debug_error ("debug_add_to_current_namespace: no current file");
|
||
return NULL;
|
||
}
|
||
|
||
if (info->current_block != NULL)
|
||
nsp = &info->current_block->locals;
|
||
else
|
||
nsp = &info->current_file->globals;
|
||
|
||
return debug_add_to_namespace (info, nsp, name, kind, linkage);
|
||
}
|
||
|
||
/* Return a handle for debugging information. */
|
||
|
||
PTR
|
||
debug_init ()
|
||
{
|
||
struct debug_handle *ret;
|
||
|
||
ret = (struct debug_handle *) xmalloc (sizeof *ret);
|
||
memset (ret, 0, sizeof *ret);
|
||
return (PTR) ret;
|
||
}
|
||
|
||
/* Set the source filename. This implicitly starts a new compilation
|
||
unit. */
|
||
|
||
boolean
|
||
debug_set_filename (handle, name)
|
||
PTR handle;
|
||
const char *name;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_file *nfile;
|
||
struct debug_unit *nunit;
|
||
|
||
if (name == NULL)
|
||
name = "";
|
||
|
||
nfile = (struct debug_file *) xmalloc (sizeof *nfile);
|
||
memset (nfile, 0, sizeof *nfile);
|
||
|
||
nfile->filename = name;
|
||
|
||
nunit = (struct debug_unit *) xmalloc (sizeof *nunit);
|
||
memset (nunit, 0, sizeof *nunit);
|
||
|
||
nunit->files = nfile;
|
||
info->current_file = nfile;
|
||
|
||
if (info->current_unit != NULL)
|
||
info->current_unit->next = nunit;
|
||
else
|
||
{
|
||
assert (info->units == NULL);
|
||
info->units = nunit;
|
||
}
|
||
|
||
info->current_unit = nunit;
|
||
|
||
info->current_function = NULL;
|
||
info->current_block = NULL;
|
||
info->current_lineno = NULL;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Append a string to the source filename. */
|
||
|
||
boolean
|
||
debug_append_filename (handle, string)
|
||
PTR handle;
|
||
const char *string;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
char *n;
|
||
|
||
if (string == NULL)
|
||
string = "";
|
||
|
||
if (info->current_unit == NULL)
|
||
{
|
||
debug_error ("debug_append_filename: no current file");
|
||
return false;
|
||
}
|
||
|
||
n = (char *) xmalloc (strlen (info->current_unit->files->filename)
|
||
+ strlen (string)
|
||
+ 1);
|
||
sprintf (n, "%s%s", info->current_unit->files->filename, string);
|
||
info->current_unit->files->filename = n;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Change source files to the given file name. This is used for
|
||
include files in a single compilation unit. */
|
||
|
||
boolean
|
||
debug_start_source (handle, name)
|
||
PTR handle;
|
||
const char *name;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_file *f, **pf;
|
||
|
||
if (name == NULL)
|
||
name = "";
|
||
|
||
if (info->current_unit == NULL)
|
||
{
|
||
debug_error ("debug_start_source: no debug_set_filename call");
|
||
return false;
|
||
}
|
||
|
||
for (f = info->current_unit->files; f != NULL; f = f->next)
|
||
{
|
||
if (f->filename[0] == name[0]
|
||
&& f->filename[1] == name[1]
|
||
&& strcmp (f->filename, name) == 0)
|
||
{
|
||
info->current_file = f;
|
||
return true;
|
||
}
|
||
}
|
||
|
||
f = (struct debug_file *) xmalloc (sizeof *f);
|
||
memset (f, 0, sizeof *f);
|
||
|
||
f->filename = name;
|
||
|
||
for (pf = &info->current_file->next;
|
||
*pf != NULL;
|
||
pf = &(*pf)->next)
|
||
;
|
||
*pf = f;
|
||
|
||
info->current_file = f;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Record a function definition. This implicitly starts a function
|
||
block. The debug_type argument is the type of the return value.
|
||
The 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. FIXME: There is no way to specify nested
|
||
functions. FIXME: I don't think there is any way to record where a
|
||
function ends. */
|
||
|
||
boolean
|
||
debug_record_function (handle, name, return_type, global, addr)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type return_type;
|
||
boolean global;
|
||
bfd_vma addr;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_function *f;
|
||
struct debug_block *b;
|
||
struct debug_name *n;
|
||
|
||
if (name == NULL)
|
||
name = "";
|
||
if (return_type == NULL)
|
||
return false;
|
||
|
||
if (info->current_unit == NULL)
|
||
{
|
||
debug_error ("debug_record_function: no debug_set_filename call");
|
||
return false;
|
||
}
|
||
|
||
f = (struct debug_function *) xmalloc (sizeof *f);
|
||
memset (f, 0, sizeof *f);
|
||
|
||
f->return_type = return_type;
|
||
|
||
b = (struct debug_block *) xmalloc (sizeof *b);
|
||
memset (b, 0, sizeof *b);
|
||
|
||
b->start = addr;
|
||
b->end = (bfd_vma) -1;
|
||
|
||
f->blocks = b;
|
||
|
||
info->current_function = f;
|
||
info->current_block = b;
|
||
|
||
/* FIXME: If we could handle nested functions, this would be the
|
||
place: we would want to use a different namespace. */
|
||
n = debug_add_to_namespace (info,
|
||
&info->current_file->globals,
|
||
name,
|
||
DEBUG_OBJECT_FUNCTION,
|
||
(global
|
||
? DEBUG_LINKAGE_GLOBAL
|
||
: DEBUG_LINKAGE_STATIC));
|
||
if (n == NULL)
|
||
return false;
|
||
|
||
n->u.function = f;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Record a parameter for the current function. */
|
||
|
||
boolean
|
||
debug_record_parameter (handle, name, type, kind, val)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type type;
|
||
enum debug_parm_kind kind;
|
||
bfd_vma val;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_parameter *p, **pp;
|
||
|
||
if (name == NULL || type == NULL)
|
||
return false;
|
||
|
||
if (info->current_unit == NULL
|
||
|| info->current_function == NULL)
|
||
{
|
||
debug_error ("debug_record_parameter: no current function");
|
||
return false;
|
||
}
|
||
|
||
p = (struct debug_parameter *) xmalloc (sizeof *p);
|
||
memset (p, 0, sizeof *p);
|
||
|
||
p->name = name;
|
||
p->type = type;
|
||
p->kind = kind;
|
||
p->val = val;
|
||
|
||
for (pp = &info->current_function->parameters;
|
||
*pp != NULL;
|
||
pp = &(*pp)->next)
|
||
;
|
||
*pp = p;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* End a function. FIXME: This should handle function nesting. */
|
||
|
||
boolean
|
||
debug_end_function (handle, addr)
|
||
PTR handle;
|
||
bfd_vma addr;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
|
||
if (info->current_unit == NULL
|
||
|| info->current_block == NULL
|
||
|| info->current_function == NULL)
|
||
{
|
||
debug_error ("debug_end_function: no current function");
|
||
return false;
|
||
}
|
||
|
||
if (info->current_block->parent != NULL)
|
||
{
|
||
debug_error ("debug_end_function: some blocks were not closed");
|
||
return false;
|
||
}
|
||
|
||
info->current_block->end = addr;
|
||
|
||
info->current_function = NULL;
|
||
info->current_block = NULL;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* 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 bfd_vma
|
||
argument is the address at which this block starts. */
|
||
|
||
boolean
|
||
debug_start_block (handle, addr)
|
||
PTR handle;
|
||
bfd_vma addr;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_block *b, **pb;
|
||
|
||
/* We must always have a current block: debug_record_function sets
|
||
one up. */
|
||
if (info->current_unit == NULL
|
||
|| info->current_block == NULL)
|
||
{
|
||
debug_error ("debug_start_block: no current block");
|
||
return false;
|
||
}
|
||
|
||
b = (struct debug_block *) xmalloc (sizeof *b);
|
||
memset (b, 0, sizeof *b);
|
||
|
||
b->parent = info->current_block;
|
||
b->start = addr;
|
||
b->end = (bfd_vma) -1;
|
||
|
||
/* This new block is a child of the current block. */
|
||
for (pb = &info->current_block->children;
|
||
*pb != NULL;
|
||
pb = &(*pb)->next)
|
||
;
|
||
*pb = b;
|
||
|
||
info->current_block = b;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Finish a block in a function. This matches the call to
|
||
debug_start_block. The argument is the address at which this block
|
||
ends. */
|
||
|
||
boolean
|
||
debug_end_block (handle, addr)
|
||
PTR handle;
|
||
bfd_vma addr;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_block *parent;
|
||
|
||
if (info->current_unit == NULL
|
||
|| info->current_block == NULL)
|
||
{
|
||
debug_error ("debug_end_block: no current block");
|
||
return false;
|
||
}
|
||
|
||
parent = info->current_block->parent;
|
||
if (parent == NULL)
|
||
{
|
||
debug_error ("debug_end_block: attempt to close top level block");
|
||
return false;
|
||
}
|
||
|
||
info->current_block->end = addr;
|
||
|
||
info->current_block = parent;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Associate a line number in the current source file and function
|
||
with a given address. */
|
||
|
||
boolean
|
||
debug_record_line (handle, lineno, addr)
|
||
PTR handle;
|
||
unsigned long lineno;
|
||
bfd_vma addr;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_lineno *l;
|
||
unsigned int i;
|
||
|
||
if (info->current_unit == NULL)
|
||
{
|
||
debug_error ("debug_record_line: no current unit");
|
||
return false;
|
||
}
|
||
|
||
l = info->current_lineno;
|
||
if (l != NULL && l->file == info->current_file)
|
||
{
|
||
for (i = 0; i < DEBUG_LINENO_COUNT; i++)
|
||
{
|
||
if (l->linenos[i] == (unsigned long) -1)
|
||
{
|
||
l->linenos[i] = lineno;
|
||
l->addrs[i] = addr;
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* If we get here, then either 1) there is no current_lineno
|
||
structure, which means this is the first line number in this
|
||
compilation unit, 2) the current_lineno structure is for a
|
||
different file, or 3) the current_lineno structure is full.
|
||
Regardless, we want to allocate a new debug_lineno structure, put
|
||
it in the right place, and make it the new current_lineno
|
||
structure. */
|
||
|
||
l = (struct debug_lineno *) xmalloc (sizeof *l);
|
||
memset (l, 0, sizeof *l);
|
||
|
||
l->file = info->current_file;
|
||
l->linenos[0] = lineno;
|
||
l->addrs[0] = addr;
|
||
for (i = 1; i < DEBUG_LINENO_COUNT; i++)
|
||
l->linenos[i] = (unsigned long) -1;
|
||
|
||
if (info->current_lineno != NULL)
|
||
info->current_lineno->next = l;
|
||
else
|
||
info->current_unit->linenos = l;
|
||
|
||
info->current_lineno = l;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Start a named common block. This is a block of variables that may
|
||
move in memory. */
|
||
|
||
boolean
|
||
debug_start_common_block (handle, name)
|
||
PTR handle;
|
||
const char *name;
|
||
{
|
||
/* FIXME */
|
||
debug_error ("debug_start_common_block: not implemented");
|
||
return false;
|
||
}
|
||
|
||
/* End a named common block. */
|
||
|
||
boolean
|
||
debug_end_common_block (handle, name)
|
||
PTR handle;
|
||
const char *name;
|
||
{
|
||
/* FIXME */
|
||
debug_error ("debug_end_common_block: not implemented");
|
||
return false;
|
||
}
|
||
|
||
/* Record a named integer constant. */
|
||
|
||
boolean
|
||
debug_record_int_const (handle, name, val)
|
||
PTR handle;
|
||
const char *name;
|
||
bfd_vma val;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_name *n;
|
||
|
||
if (name == NULL)
|
||
return false;
|
||
|
||
n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_INT_CONSTANT,
|
||
DEBUG_LINKAGE_NONE);
|
||
if (n == NULL)
|
||
return false;
|
||
|
||
n->u.int_constant = val;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Record a named floating point constant. */
|
||
|
||
boolean
|
||
debug_record_float_const (handle, name, val)
|
||
PTR handle;
|
||
const char *name;
|
||
double val;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_name *n;
|
||
|
||
if (name == NULL)
|
||
return false;
|
||
|
||
n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_FLOAT_CONSTANT,
|
||
DEBUG_LINKAGE_NONE);
|
||
if (n == NULL)
|
||
return false;
|
||
|
||
n->u.float_constant = val;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Record a typed constant with an integral value. */
|
||
|
||
boolean
|
||
debug_record_typed_const (handle, name, type, val)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type type;
|
||
bfd_vma val;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_name *n;
|
||
struct debug_typed_constant *tc;
|
||
|
||
if (name == NULL || type == NULL)
|
||
return false;
|
||
|
||
n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_TYPED_CONSTANT,
|
||
DEBUG_LINKAGE_NONE);
|
||
if (n == NULL)
|
||
return false;
|
||
|
||
tc = (struct debug_typed_constant *) xmalloc (sizeof *tc);
|
||
memset (tc, 0, sizeof *tc);
|
||
|
||
tc->type = type;
|
||
tc->val = val;
|
||
|
||
n->u.typed_constant = tc;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Record a label. */
|
||
|
||
boolean
|
||
debug_record_label (handle, name, type, addr)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type type;
|
||
bfd_vma addr;
|
||
{
|
||
/* FIXME. */
|
||
debug_error ("debug_record_label not implemented");
|
||
return false;
|
||
}
|
||
|
||
/* Record a variable. */
|
||
|
||
boolean
|
||
debug_record_variable (handle, name, type, kind, val)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type type;
|
||
enum debug_var_kind kind;
|
||
bfd_vma val;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_namespace **nsp;
|
||
enum debug_object_linkage linkage;
|
||
struct debug_name *n;
|
||
struct debug_variable *v;
|
||
|
||
if (name == NULL || type == NULL)
|
||
return false;
|
||
|
||
if (info->current_unit == NULL
|
||
|| info->current_file == NULL)
|
||
{
|
||
debug_error ("debug_record_variable: no current file");
|
||
return false;
|
||
}
|
||
|
||
if (kind == DEBUG_GLOBAL || kind == DEBUG_STATIC)
|
||
{
|
||
nsp = &info->current_file->globals;
|
||
if (kind == DEBUG_GLOBAL)
|
||
linkage = DEBUG_LINKAGE_GLOBAL;
|
||
else
|
||
linkage = DEBUG_LINKAGE_STATIC;
|
||
}
|
||
else
|
||
{
|
||
if (info->current_block == NULL)
|
||
{
|
||
debug_error ("debug_record_variable: no current block");
|
||
return false;
|
||
}
|
||
nsp = &info->current_block->locals;
|
||
linkage = DEBUG_LINKAGE_AUTOMATIC;
|
||
}
|
||
|
||
n = debug_add_to_namespace (info, nsp, name, DEBUG_OBJECT_VARIABLE, linkage);
|
||
if (n == NULL)
|
||
return false;
|
||
|
||
v = (struct debug_variable *) xmalloc (sizeof *v);
|
||
memset (v, 0, sizeof *v);
|
||
|
||
v->kind = kind;
|
||
v->type = type;
|
||
v->val = val;
|
||
|
||
n->u.variable = v;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Make a type with a given kind and size. */
|
||
|
||
/*ARGSUSED*/
|
||
static struct debug_type *
|
||
debug_make_type (info, kind, size)
|
||
struct debug_handle *info;
|
||
enum debug_type_kind kind;
|
||
unsigned int size;
|
||
{
|
||
struct debug_type *t;
|
||
|
||
t = (struct debug_type *) xmalloc (sizeof *t);
|
||
memset (t, 0, sizeof *t);
|
||
|
||
t->kind = kind;
|
||
t->size = size;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make an indirect type which may be used as a placeholder for a type
|
||
which is referenced before it is defined. */
|
||
|
||
debug_type
|
||
debug_make_indirect_type (handle, slot, tag)
|
||
PTR handle;
|
||
debug_type *slot;
|
||
const char *tag;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_indirect_type *i;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_INDIRECT, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
i = (struct debug_indirect_type *) xmalloc (sizeof *i);
|
||
memset (i, 0, sizeof *i);
|
||
|
||
i->slot = slot;
|
||
i->tag = tag;
|
||
|
||
t->u.kindirect = i;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make an ellipsis type. This is not a type at all, but is a marker
|
||
suitable for appearing in the list of argument types passed to
|
||
debug_make_method_type. It should be used to indicate a method
|
||
which takes a variable number of arguments. */
|
||
|
||
debug_type
|
||
debug_make_ellipsis_type (handle)
|
||
PTR handle;
|
||
{
|
||
return (debug_type) &debug_ellipsis_type;
|
||
}
|
||
|
||
/* Make a void type. There is only one of these. */
|
||
|
||
debug_type
|
||
debug_make_void_type (handle)
|
||
PTR handle;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
|
||
return debug_make_type (info, DEBUG_KIND_VOID, 0);
|
||
}
|
||
|
||
/* Make an integer type of a given size. The boolean argument is true
|
||
if the integer is unsigned. */
|
||
|
||
debug_type
|
||
debug_make_int_type (handle, size, unsignedp)
|
||
PTR handle;
|
||
unsigned int size;
|
||
boolean unsignedp;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_INT, size);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t->u.kint = unsignedp;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* 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. */
|
||
|
||
debug_type
|
||
debug_make_float_type (handle, size)
|
||
PTR handle;
|
||
unsigned int size;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
|
||
return debug_make_type (info, DEBUG_KIND_FLOAT, size);
|
||
}
|
||
|
||
/* Make a boolean type of a given size. */
|
||
|
||
debug_type
|
||
debug_make_bool_type (handle, size)
|
||
PTR handle;
|
||
unsigned int size;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
|
||
return debug_make_type (info, DEBUG_KIND_BOOL, size);
|
||
}
|
||
|
||
/* Make a complex type of a given size. */
|
||
|
||
debug_type
|
||
debug_make_complex_type (handle, size)
|
||
PTR handle;
|
||
unsigned int size;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
|
||
return debug_make_type (info, DEBUG_KIND_COMPLEX, size);
|
||
}
|
||
|
||
/* 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. */
|
||
|
||
debug_type
|
||
debug_make_struct_type (handle, structp, size, fields)
|
||
PTR handle;
|
||
boolean structp;
|
||
bfd_vma size;
|
||
debug_field *fields;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_class_type *c;
|
||
|
||
t = debug_make_type (info,
|
||
structp ? DEBUG_KIND_STRUCT : DEBUG_KIND_UNION,
|
||
size);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
c = (struct debug_class_type *) xmalloc (sizeof *c);
|
||
memset (c, 0, sizeof *c);
|
||
|
||
c->fields = fields;
|
||
|
||
t->u.kclass = c;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* 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 boolean which is true if this
|
||
object has its own virtual function table. */
|
||
|
||
debug_type
|
||
debug_make_object_type (handle, structp, size, fields, baseclasses,
|
||
methods, vptrbase, ownvptr)
|
||
PTR handle;
|
||
boolean structp;
|
||
bfd_vma size;
|
||
debug_field *fields;
|
||
debug_baseclass *baseclasses;
|
||
debug_method *methods;
|
||
debug_type vptrbase;
|
||
boolean ownvptr;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_class_type *c;
|
||
|
||
t = debug_make_type (info,
|
||
structp ? DEBUG_KIND_CLASS : DEBUG_KIND_UNION_CLASS,
|
||
size);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
c = (struct debug_class_type *) xmalloc (sizeof *c);
|
||
memset (c, 0, sizeof *c);
|
||
|
||
c->fields = fields;
|
||
c->baseclasses = baseclasses;
|
||
c->methods = methods;
|
||
if (ownvptr)
|
||
c->vptrbase = t;
|
||
else
|
||
c->vptrbase = vptrbase;
|
||
|
||
t->u.kclass = c;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make an enumeration type. The arguments are a null terminated
|
||
array of strings, and an array of corresponding values. */
|
||
|
||
debug_type
|
||
debug_make_enum_type (handle, names, values)
|
||
PTR handle;
|
||
const char **names;
|
||
bfd_signed_vma *values;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_enum_type *e;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_ENUM, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
e = (struct debug_enum_type *) xmalloc (sizeof *e);
|
||
memset (e, 0, sizeof *e);
|
||
|
||
e->names = names;
|
||
e->values = values;
|
||
|
||
t->u.kenum = e;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make a pointer to a given type. */
|
||
|
||
debug_type
|
||
debug_make_pointer_type (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
|
||
if (type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
if (type->pointer != DEBUG_TYPE_NULL)
|
||
return type->pointer;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_POINTER, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t->u.kpointer = type;
|
||
|
||
type->pointer = t;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make a function returning a given type. FIXME: We should be able
|
||
to record the parameter types. */
|
||
|
||
debug_type
|
||
debug_make_function_type (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_function_type *f;
|
||
|
||
if (type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_FUNCTION, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
f = (struct debug_function_type *) xmalloc (sizeof *f);
|
||
memset (f, 0, sizeof *f);
|
||
|
||
f->return_type = type;
|
||
|
||
t->u.kfunction = f;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make a reference to a given type. */
|
||
|
||
debug_type
|
||
debug_make_reference_type (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
|
||
if (type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_REFERENCE, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t->u.kreference = type;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make a range of a given type from a lower to an upper bound. */
|
||
|
||
debug_type
|
||
debug_make_range_type (handle, type, lower, upper)
|
||
PTR handle;
|
||
debug_type type;
|
||
bfd_signed_vma lower;
|
||
bfd_signed_vma upper;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_range_type *r;
|
||
|
||
if (type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_RANGE, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
r = (struct debug_range_type *) xmalloc (sizeof *r);
|
||
memset (r, 0, sizeof *r);
|
||
|
||
r->type = type;
|
||
r->lower = lower;
|
||
r->upper = upper;
|
||
|
||
t->u.krange = r;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* 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. The sixth argument is true if this array is
|
||
actually a string, as in C. */
|
||
|
||
debug_type
|
||
debug_make_array_type (handle, element_type, range_type, lower, upper,
|
||
stringp)
|
||
PTR handle;
|
||
debug_type element_type;
|
||
debug_type range_type;
|
||
bfd_signed_vma lower;
|
||
bfd_signed_vma upper;
|
||
boolean stringp;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_array_type *a;
|
||
|
||
if (element_type == NULL || range_type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_ARRAY, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
a = (struct debug_array_type *) xmalloc (sizeof *a);
|
||
memset (a, 0, sizeof *a);
|
||
|
||
a->element_type = element_type;
|
||
a->range_type = range_type;
|
||
a->lower = lower;
|
||
a->upper = upper;
|
||
a->stringp = stringp;
|
||
|
||
t->u.karray = a;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make a set of a given type. For example, a Pascal set type. The
|
||
boolean argument is true if this set is actually a bitstring, as in
|
||
CHILL. */
|
||
|
||
debug_type
|
||
debug_make_set_type (handle, type, bitstringp)
|
||
PTR handle;
|
||
debug_type type;
|
||
boolean bitstringp;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_set_type *s;
|
||
|
||
if (type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_SET, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
s = (struct debug_set_type *) xmalloc (sizeof *s);
|
||
memset (s, 0, sizeof *s);
|
||
|
||
s->type = type;
|
||
s->bitstringp = bitstringp;
|
||
|
||
t->u.kset = s;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* 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. */
|
||
|
||
debug_type
|
||
debug_make_offset_type (handle, base_type, target_type)
|
||
PTR handle;
|
||
debug_type base_type;
|
||
debug_type target_type;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_offset_type *o;
|
||
|
||
if (base_type == NULL || target_type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_OFFSET, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
o = (struct debug_offset_type *) xmalloc (sizeof *o);
|
||
memset (o, 0, sizeof *o);
|
||
|
||
o->base_type = base_type;
|
||
o->target_type = target_type;
|
||
|
||
t->u.koffset = o;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make a type for a method function. The second argument is the
|
||
return type, the third argument is the domain, and the fourth
|
||
argument is a NULL terminated array of argument types. */
|
||
|
||
debug_type
|
||
debug_make_method_type (handle, return_type, domain_type, arg_types)
|
||
PTR handle;
|
||
debug_type return_type;
|
||
debug_type domain_type;
|
||
debug_type *arg_types;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_method_type *m;
|
||
|
||
if (return_type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_METHOD, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
m = (struct debug_method_type *) xmalloc (sizeof *m);
|
||
memset (m, 0, sizeof *m);
|
||
|
||
m->return_type = return_type;
|
||
m->domain_type = domain_type;
|
||
m->arg_types = arg_types;
|
||
|
||
t->u.kmethod = m;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make a const qualified version of a given type. */
|
||
|
||
debug_type
|
||
debug_make_const_type (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
|
||
if (type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_CONST, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t->u.kconst = type;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make a volatile qualified version of a given type. */
|
||
|
||
debug_type
|
||
debug_make_volatile_type (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
|
||
if (type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_VOLATILE, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
t->u.kvolatile = type;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Make an undefined tagged type. For example, a struct which has
|
||
been mentioned, but not defined. */
|
||
|
||
debug_type
|
||
debug_make_undefined_tagged_type (handle, name, kind)
|
||
PTR handle;
|
||
const char *name;
|
||
enum debug_type_kind kind;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
|
||
if (name == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
switch (kind)
|
||
{
|
||
case DEBUG_KIND_STRUCT:
|
||
case DEBUG_KIND_UNION:
|
||
case DEBUG_KIND_CLASS:
|
||
case DEBUG_KIND_UNION_CLASS:
|
||
case DEBUG_KIND_ENUM:
|
||
break;
|
||
|
||
default:
|
||
debug_error ("debug_make_undefined_type: unsupported kind");
|
||
return DEBUG_TYPE_NULL;
|
||
}
|
||
|
||
t = debug_make_type (info, kind, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
return debug_tag_type (handle, name, t);
|
||
}
|
||
|
||
/* 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 (always 0 unless doing multiple inheritance).
|
||
The fourth argument is whether this is a virtual class. The fifth
|
||
argument is the visibility of the base class. */
|
||
|
||
/*ARGSUSED*/
|
||
debug_baseclass
|
||
debug_make_baseclass (handle, type, bitpos, virtual, visibility)
|
||
PTR handle;
|
||
debug_type type;
|
||
bfd_vma bitpos;
|
||
boolean virtual;
|
||
enum debug_visibility visibility;
|
||
{
|
||
struct debug_baseclass *b;
|
||
|
||
b = (struct debug_baseclass *) xmalloc (sizeof *b);
|
||
memset (b, 0, sizeof *b);
|
||
|
||
b->type = type;
|
||
b->bitpos = bitpos;
|
||
b->virtual = virtual;
|
||
b->visibility = visibility;
|
||
|
||
return b;
|
||
}
|
||
|
||
/* 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. */
|
||
|
||
/*ARGSUSED*/
|
||
debug_field
|
||
debug_make_field (handle, name, type, bitpos, bitsize, visibility)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type type;
|
||
bfd_vma bitpos;
|
||
bfd_vma bitsize;
|
||
enum debug_visibility visibility;
|
||
{
|
||
struct debug_field *f;
|
||
|
||
f = (struct debug_field *) xmalloc (sizeof *f);
|
||
memset (f, 0, sizeof *f);
|
||
|
||
f->name = name;
|
||
f->type = type;
|
||
f->static_member = false;
|
||
f->u.f.bitpos = bitpos;
|
||
f->u.f.bitsize = bitsize;
|
||
f->visibility = visibility;
|
||
|
||
return f;
|
||
}
|
||
|
||
/* 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. */
|
||
|
||
/*ARGSUSED*/
|
||
debug_field
|
||
debug_make_static_member (handle, name, type, physname, visibility)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type type;
|
||
const char *physname;
|
||
enum debug_visibility visibility;
|
||
{
|
||
struct debug_field *f;
|
||
|
||
f = (struct debug_field *) xmalloc (sizeof *f);
|
||
memset (f, 0, sizeof *f);
|
||
|
||
f->name = name;
|
||
f->type = type;
|
||
f->static_member = true;
|
||
f->u.s.physname = physname;
|
||
f->visibility = visibility;
|
||
|
||
return f;
|
||
}
|
||
|
||
/* Make a method. The second argument is the name, and the third
|
||
argument is a NULL terminated array of method variants. */
|
||
|
||
/*ARGSUSED*/
|
||
debug_method
|
||
debug_make_method (handle, name, variants)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_method_variant *variants;
|
||
{
|
||
struct debug_method *m;
|
||
|
||
m = (struct debug_method *) xmalloc (sizeof *m);
|
||
memset (m, 0, sizeof *m);
|
||
|
||
m->name = name;
|
||
m->variants = variants;
|
||
|
||
return m;
|
||
}
|
||
|
||
/* Make a method argument. The second argument is the real name of
|
||
the function. The third argument is the type of the function. 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 offset in the
|
||
virtual function table, if any. The eighth argument is the virtual
|
||
function context. FIXME: Are the const and volatile arguments
|
||
necessary? Could we just use debug_make_const_type? */
|
||
|
||
/*ARGSUSED*/
|
||
debug_method_variant
|
||
debug_make_method_variant (handle, physname, type, visibility, constp,
|
||
volatilep, voffset, context)
|
||
PTR handle;
|
||
const char *physname;
|
||
debug_type type;
|
||
enum debug_visibility visibility;
|
||
boolean constp;
|
||
boolean volatilep;
|
||
bfd_vma voffset;
|
||
debug_type context;
|
||
{
|
||
struct debug_method_variant *m;
|
||
|
||
m = (struct debug_method_variant *) xmalloc (sizeof *m);
|
||
memset (m, 0, sizeof *m);
|
||
|
||
m->physname = physname;
|
||
m->type = type;
|
||
m->visibility = visibility;
|
||
m->constp = constp;
|
||
m->volatilep = volatilep;
|
||
m->voffset = voffset;
|
||
m->context = context;
|
||
|
||
return m;
|
||
}
|
||
|
||
/* 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. */
|
||
|
||
debug_method_variant
|
||
debug_make_static_method_variant (handle, physname, type, visibility,
|
||
constp, volatilep)
|
||
PTR handle;
|
||
const char *physname;
|
||
debug_type type;
|
||
enum debug_visibility visibility;
|
||
boolean constp;
|
||
boolean volatilep;
|
||
{
|
||
struct debug_method_variant *m;
|
||
|
||
m = (struct debug_method_variant *) xmalloc (sizeof *m);
|
||
memset (m, 0, sizeof *m);
|
||
|
||
m->physname = physname;
|
||
m->type = type;
|
||
m->visibility = visibility;
|
||
m->constp = constp;
|
||
m->volatilep = volatilep;
|
||
m->voffset = VOFFSET_STATIC_METHOD;
|
||
|
||
return m;
|
||
}
|
||
|
||
/* Name a type. */
|
||
|
||
debug_type
|
||
debug_name_type (handle, name, type)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type type;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_named_type *n;
|
||
struct debug_name *nm;
|
||
|
||
if (name == NULL || type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
if (info->current_unit == NULL
|
||
|| info->current_file == NULL)
|
||
{
|
||
debug_error ("debug_record_variable: no current file");
|
||
return false;
|
||
}
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_NAMED, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
n = (struct debug_named_type *) xmalloc (sizeof *n);
|
||
memset (n, 0, sizeof *n);
|
||
|
||
n->type = type;
|
||
|
||
t->u.knamed = n;
|
||
|
||
/* We always add the name to the global namespace. This is probably
|
||
wrong in some cases, but it seems to be right for stabs. FIXME. */
|
||
|
||
nm = debug_add_to_namespace (info, &info->current_file->globals, name,
|
||
DEBUG_OBJECT_TYPE, DEBUG_LINKAGE_NONE);
|
||
if (nm == NULL)
|
||
return false;
|
||
|
||
nm->u.type = t;
|
||
|
||
n->name = nm;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Tag a type. */
|
||
|
||
debug_type
|
||
debug_tag_type (handle, name, type)
|
||
PTR handle;
|
||
const char *name;
|
||
debug_type type;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_type *t;
|
||
struct debug_named_type *n;
|
||
struct debug_name *nm;
|
||
|
||
if (name == NULL || type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
if (info->current_file == NULL)
|
||
{
|
||
debug_error ("debug_tag_type: no current file");
|
||
return DEBUG_TYPE_NULL;
|
||
}
|
||
|
||
if (type->kind == DEBUG_KIND_TAGGED)
|
||
{
|
||
if (strcmp (type->u.knamed->name->name, name) == 0)
|
||
return type;
|
||
debug_error ("debug_tag_type: extra tag attempted");
|
||
return DEBUG_TYPE_NULL;
|
||
}
|
||
|
||
t = debug_make_type (info, DEBUG_KIND_TAGGED, 0);
|
||
if (t == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
|
||
n = (struct debug_named_type *) xmalloc (sizeof *n);
|
||
memset (n, 0, sizeof *n);
|
||
|
||
n->type = type;
|
||
|
||
t->u.knamed = n;
|
||
|
||
/* We keep a global namespace of tags for each compilation unit. I
|
||
don't know if that is the right thing to do. */
|
||
|
||
nm = debug_add_to_namespace (info, &info->current_file->globals, name,
|
||
DEBUG_OBJECT_TAG, DEBUG_LINKAGE_NONE);
|
||
if (nm == NULL)
|
||
return false;
|
||
|
||
nm->u.tag = t;
|
||
|
||
n->name = nm;
|
||
|
||
return t;
|
||
}
|
||
|
||
/* Record the size of a given type. */
|
||
|
||
/*ARGSUSED*/
|
||
boolean
|
||
debug_record_type_size (handle, type, size)
|
||
PTR handle;
|
||
debug_type type;
|
||
unsigned int size;
|
||
{
|
||
if (type->size != 0 && type->size != size)
|
||
fprintf (stderr, "Warning: changing type size from %d to %d\n",
|
||
type->size, size);
|
||
|
||
type->size = size;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Find a named type. */
|
||
|
||
debug_type
|
||
debug_find_named_type (handle, name)
|
||
PTR handle;
|
||
const char *name;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_block *b;
|
||
struct debug_file *f;
|
||
|
||
/* We only search the current compilation unit. I don't know if
|
||
this is right or not. */
|
||
|
||
if (info->current_unit == NULL)
|
||
{
|
||
debug_error ("debug_find_named_type: no current compilation unit");
|
||
return DEBUG_TYPE_NULL;
|
||
}
|
||
|
||
for (b = info->current_block; b != NULL; b = b->parent)
|
||
{
|
||
if (b->locals != NULL)
|
||
{
|
||
struct debug_name *n;
|
||
|
||
for (n = b->locals->list; n != NULL; n = n->next)
|
||
{
|
||
if (n->kind == DEBUG_OBJECT_TYPE
|
||
&& n->name[0] == name[0]
|
||
&& strcmp (n->name, name) == 0)
|
||
return n->u.type;
|
||
}
|
||
}
|
||
}
|
||
|
||
for (f = info->current_unit->files; f != NULL; f = f->next)
|
||
{
|
||
if (f->globals != NULL)
|
||
{
|
||
struct debug_name *n;
|
||
|
||
for (n = f->globals->list; n != NULL; n = n->next)
|
||
{
|
||
if (n->kind == DEBUG_OBJECT_TYPE
|
||
&& n->name[0] == name[0]
|
||
&& strcmp (n->name, name) == 0)
|
||
return n->u.type;
|
||
}
|
||
}
|
||
}
|
||
|
||
return DEBUG_TYPE_NULL;
|
||
}
|
||
|
||
/* Find a tagged type. */
|
||
|
||
debug_type
|
||
debug_find_tagged_type (handle, name, kind)
|
||
PTR handle;
|
||
const char *name;
|
||
enum debug_type_kind kind;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_unit *u;
|
||
|
||
/* We search the globals of all the compilation units. I don't know
|
||
if this is correct or not. It would be easy to change. */
|
||
|
||
for (u = info->units; u != NULL; u = u->next)
|
||
{
|
||
struct debug_file *f;
|
||
|
||
for (f = u->files; f != NULL; f = f->next)
|
||
{
|
||
struct debug_name *n;
|
||
|
||
if (f->globals != NULL)
|
||
{
|
||
for (n = f->globals->list; n != NULL; n = n->next)
|
||
{
|
||
if (n->kind == DEBUG_OBJECT_TAG
|
||
&& (kind == DEBUG_KIND_ILLEGAL
|
||
|| n->u.tag->kind == kind)
|
||
&& n->name[0] == name[0]
|
||
&& strcmp (n->name, name) == 0)
|
||
return n->u.tag;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return DEBUG_TYPE_NULL;
|
||
}
|
||
|
||
/* Get a base type. */
|
||
|
||
static struct debug_type *
|
||
debug_get_real_type (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
switch (type->kind)
|
||
{
|
||
default:
|
||
return type;
|
||
case DEBUG_KIND_INDIRECT:
|
||
if (*type->u.kindirect->slot != NULL)
|
||
return debug_get_real_type (handle, *type->u.kindirect->slot);
|
||
return type;
|
||
case DEBUG_KIND_NAMED:
|
||
return debug_get_real_type (handle, type->u.knamed->type);
|
||
}
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
/* Get the kind of a type. */
|
||
|
||
enum debug_type_kind
|
||
debug_get_type_kind (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
if (type == NULL)
|
||
return DEBUG_KIND_ILLEGAL;
|
||
type = debug_get_real_type (handle, type);
|
||
return type->kind;
|
||
}
|
||
|
||
/* Get the name of a type. */
|
||
|
||
const char *
|
||
debug_get_type_name (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
if (type->kind == DEBUG_KIND_INDIRECT)
|
||
{
|
||
if (*type->u.kindirect->slot != NULL)
|
||
return debug_get_type_name (handle, *type->u.kindirect->slot);
|
||
return type->u.kindirect->tag;
|
||
}
|
||
if (type->kind == DEBUG_KIND_NAMED
|
||
|| type->kind == DEBUG_KIND_TAGGED)
|
||
return type->u.knamed->name->name;
|
||
return NULL;
|
||
}
|
||
|
||
/* Get the return type of a function or method type. */
|
||
|
||
debug_type
|
||
debug_get_return_type (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
if (type == NULL)
|
||
return DEBUG_TYPE_NULL;
|
||
type = debug_get_real_type (handle, type);
|
||
switch (type->kind)
|
||
{
|
||
default:
|
||
return DEBUG_TYPE_NULL;
|
||
case DEBUG_KIND_FUNCTION:
|
||
return type->u.kfunction->return_type;
|
||
case DEBUG_KIND_METHOD:
|
||
return type->u.kmethod->return_type;
|
||
}
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
/* Get the parameter types of a function or method type (except that
|
||
we don't currently store the parameter types of a function). */
|
||
|
||
const debug_type *
|
||
debug_get_parameter_types (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
if (type == NULL)
|
||
return NULL;
|
||
type = debug_get_real_type (handle, type);
|
||
switch (type->kind)
|
||
{
|
||
default:
|
||
return NULL;
|
||
case DEBUG_KIND_METHOD:
|
||
return type->u.kmethod->arg_types;
|
||
}
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
/* Get the NULL terminated array of fields for a struct, union, or
|
||
class. */
|
||
|
||
const debug_field *
|
||
debug_get_fields (handle, type)
|
||
PTR handle;
|
||
debug_type type;
|
||
{
|
||
if (type == NULL)
|
||
return NULL;
|
||
type = debug_get_real_type (handle, type);
|
||
switch (type->kind)
|
||
{
|
||
default:
|
||
return NULL;
|
||
case DEBUG_KIND_STRUCT:
|
||
case DEBUG_KIND_UNION:
|
||
case DEBUG_KIND_CLASS:
|
||
case DEBUG_KIND_UNION_CLASS:
|
||
return type->u.kclass->fields;
|
||
}
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
/* Get the type of a field. */
|
||
|
||
/*ARGSUSED*/
|
||
debug_type
|
||
debug_get_field_type (handle, field)
|
||
PTR handle;
|
||
debug_field field;
|
||
{
|
||
if (field == NULL)
|
||
return NULL;
|
||
return field->type;
|
||
}
|
||
|
||
/* Write out the debugging information. This is given a handle to
|
||
debugging information, and a set of function pointers to call. */
|
||
|
||
boolean
|
||
debug_write (handle, fns, fhandle)
|
||
PTR handle;
|
||
const struct debug_write_fns *fns;
|
||
PTR fhandle;
|
||
{
|
||
struct debug_handle *info = (struct debug_handle *) handle;
|
||
struct debug_unit *u;
|
||
|
||
/* We use a mark to tell whether we have already written out a
|
||
particular name. We use an integer, so that we don't have to
|
||
clear the mark fields if we happen to write out the same
|
||
information more than once. */
|
||
++info->mark;
|
||
|
||
/* The base_id field holds an ID value which will never be used, so
|
||
that we can tell whether we have assigned an ID during this call
|
||
to debug_write. */
|
||
info->base_id = info->class_id;
|
||
|
||
for (u = info->units; u != NULL; u = u->next)
|
||
{
|
||
struct debug_file *f;
|
||
boolean first_file;
|
||
struct debug_lineno *l;
|
||
|
||
if (! (*fns->start_compilation_unit) (fhandle, u->files->filename))
|
||
return false;
|
||
|
||
first_file = true;
|
||
for (f = u->files; f != NULL; f = f->next)
|
||
{
|
||
struct debug_name *n;
|
||
|
||
if (first_file)
|
||
first_file = false;
|
||
else
|
||
{
|
||
if (! (*fns->start_source) (fhandle, f->filename))
|
||
return false;
|
||
}
|
||
|
||
if (f->globals != NULL)
|
||
{
|
||
for (n = f->globals->list; n != NULL; n = n->next)
|
||
{
|
||
if (! debug_write_name (info, fns, fhandle, n))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
for (l = u->linenos; l != NULL; l = l->next)
|
||
{
|
||
unsigned int i;
|
||
|
||
for (i = 0; i < DEBUG_LINENO_COUNT; i++)
|
||
{
|
||
if (l->linenos[i] == (unsigned long) -1)
|
||
break;
|
||
if (! (*fns->lineno) (fhandle, l->file->filename, l->linenos[i],
|
||
l->addrs[i]))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Write out an element in a namespace. */
|
||
|
||
static boolean
|
||
debug_write_name (info, fns, fhandle, n)
|
||
struct debug_handle *info;
|
||
const struct debug_write_fns *fns;
|
||
PTR fhandle;
|
||
struct debug_name *n;
|
||
{
|
||
/* The class_mark field is used to prevent recursively outputting a
|
||
struct or class. */
|
||
++info->class_mark;
|
||
|
||
switch (n->kind)
|
||
{
|
||
case DEBUG_OBJECT_TYPE:
|
||
if (! debug_write_type (info, fns, fhandle, n->u.type, n)
|
||
|| ! (*fns->typdef) (fhandle, n->name))
|
||
return false;
|
||
return true;
|
||
case DEBUG_OBJECT_TAG:
|
||
if (! debug_write_type (info, fns, fhandle, n->u.tag, n))
|
||
return false;
|
||
return (*fns->tag) (fhandle, n->name);
|
||
case DEBUG_OBJECT_VARIABLE:
|
||
if (! debug_write_type (info, fns, fhandle, n->u.variable->type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->variable) (fhandle, n->name, n->u.variable->kind,
|
||
n->u.variable->val);
|
||
case DEBUG_OBJECT_FUNCTION:
|
||
return debug_write_function (info, fns, fhandle, n->name,
|
||
n->linkage, n->u.function);
|
||
case DEBUG_OBJECT_INT_CONSTANT:
|
||
return (*fns->int_constant) (fhandle, n->name, n->u.int_constant);
|
||
case DEBUG_OBJECT_FLOAT_CONSTANT:
|
||
return (*fns->float_constant) (fhandle, n->name, n->u.float_constant);
|
||
case DEBUG_OBJECT_TYPED_CONSTANT:
|
||
if (! debug_write_type (info, fns, fhandle, n->u.typed_constant->type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->typed_constant) (fhandle, n->name,
|
||
n->u.typed_constant->val);
|
||
default:
|
||
abort ();
|
||
return false;
|
||
}
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
/* Write out a type. If the type is DEBUG_KIND_NAMED or
|
||
DEBUG_KIND_TAGGED, then the name argument is the name for which we
|
||
are about to call typedef or tag. If the type is anything else,
|
||
then the name argument is a tag from a DEBUG_KIND_TAGGED type which
|
||
points to this one. */
|
||
|
||
static boolean
|
||
debug_write_type (info, fns, fhandle, type, name)
|
||
struct debug_handle *info;
|
||
const struct debug_write_fns *fns;
|
||
PTR fhandle;
|
||
struct debug_type *type;
|
||
struct debug_name *name;
|
||
{
|
||
unsigned int i;
|
||
const char *tag;
|
||
|
||
/* If we have a name for this type, just output it. We only output
|
||
typedef names after they have been defined. We output type tags
|
||
whenever we are not actually defining them. */
|
||
if ((type->kind == DEBUG_KIND_NAMED
|
||
|| type->kind == DEBUG_KIND_TAGGED)
|
||
&& (type->u.knamed->name->mark == info->mark
|
||
|| (type->kind == DEBUG_KIND_TAGGED
|
||
&& type->u.knamed->name != name)))
|
||
{
|
||
if (type->kind == DEBUG_KIND_NAMED)
|
||
return (*fns->typedef_type) (fhandle, type->u.knamed->name->name);
|
||
else
|
||
return (*fns->tag_type) (fhandle, type->u.knamed->name->name, 0,
|
||
type->u.knamed->type->kind);
|
||
}
|
||
|
||
/* Mark the name after we have already looked for a known name, so
|
||
that we don't just define a type in terms of itself. We need to
|
||
mark the name here so that a struct containing a pointer to
|
||
itself will work. */
|
||
if (name != NULL)
|
||
name->mark = info->mark;
|
||
|
||
tag = NULL;
|
||
if (name != NULL
|
||
&& type->kind != DEBUG_KIND_NAMED
|
||
&& type->kind != DEBUG_KIND_TAGGED)
|
||
{
|
||
assert (name->kind == DEBUG_OBJECT_TAG);
|
||
tag = name->name;
|
||
}
|
||
|
||
switch (type->kind)
|
||
{
|
||
case DEBUG_KIND_ILLEGAL:
|
||
debug_error ("debug_write_type: illegal type encountered");
|
||
return false;
|
||
case DEBUG_KIND_INDIRECT:
|
||
if (*type->u.kindirect->slot == DEBUG_TYPE_NULL)
|
||
return (*fns->empty_type) (fhandle);
|
||
return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot,
|
||
(struct debug_name *) NULL);
|
||
case DEBUG_KIND_VOID:
|
||
return (*fns->void_type) (fhandle);
|
||
case DEBUG_KIND_INT:
|
||
return (*fns->int_type) (fhandle, type->size, type->u.kint);
|
||
case DEBUG_KIND_FLOAT:
|
||
return (*fns->float_type) (fhandle, type->size);
|
||
case DEBUG_KIND_COMPLEX:
|
||
return (*fns->complex_type) (fhandle, type->size);
|
||
case DEBUG_KIND_BOOL:
|
||
return (*fns->bool_type) (fhandle, type->size);
|
||
case DEBUG_KIND_STRUCT:
|
||
case DEBUG_KIND_UNION:
|
||
if (type->u.kclass != NULL)
|
||
{
|
||
if (info->class_mark == type->u.kclass->mark
|
||
|| type->u.kclass->id > info->base_id)
|
||
{
|
||
/* We are currently outputting this struct, or we have
|
||
already output it. I don't know if this can happen,
|
||
but it can happen for a class. */
|
||
assert (type->u.kclass->id > info->base_id);
|
||
return (*fns->tag_type) (fhandle, tag, type->u.kclass->id,
|
||
type->kind);
|
||
}
|
||
type->u.kclass->mark = info->class_mark;
|
||
++info->class_id;
|
||
type->u.kclass->id = info->class_id;
|
||
}
|
||
|
||
if (! (*fns->start_struct_type) (fhandle, tag,
|
||
(type->u.kclass != NULL
|
||
? type->u.kclass->id
|
||
: 0),
|
||
type->kind == DEBUG_KIND_STRUCT,
|
||
type->size))
|
||
return false;
|
||
if (type->u.kclass != NULL
|
||
&& type->u.kclass->fields != NULL)
|
||
{
|
||
for (i = 0; type->u.kclass->fields[i] != NULL; i++)
|
||
{
|
||
struct debug_field *f;
|
||
|
||
f = type->u.kclass->fields[i];
|
||
if (! debug_write_type (info, fns, fhandle, f->type,
|
||
(struct debug_name *) NULL)
|
||
|| ! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos,
|
||
f->u.f.bitsize, f->visibility))
|
||
return false;
|
||
}
|
||
}
|
||
return (*fns->end_struct_type) (fhandle);
|
||
case DEBUG_KIND_CLASS:
|
||
case DEBUG_KIND_UNION_CLASS:
|
||
return debug_write_class_type (info, fns, fhandle, type, tag);
|
||
case DEBUG_KIND_ENUM:
|
||
if (type->u.kenum == NULL)
|
||
return (*fns->enum_type) (fhandle, tag, (const char **) NULL,
|
||
(bfd_signed_vma *) NULL);
|
||
return (*fns->enum_type) (fhandle, tag, type->u.kenum->names,
|
||
type->u.kenum->values);
|
||
case DEBUG_KIND_POINTER:
|
||
if (! debug_write_type (info, fns, fhandle, type->u.kpointer,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->pointer_type) (fhandle);
|
||
case DEBUG_KIND_FUNCTION:
|
||
if (! debug_write_type (info, fns, fhandle,
|
||
type->u.kfunction->return_type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->function_type) (fhandle);
|
||
case DEBUG_KIND_REFERENCE:
|
||
if (! debug_write_type (info, fns, fhandle, type->u.kreference,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->reference_type) (fhandle);
|
||
case DEBUG_KIND_RANGE:
|
||
if (! debug_write_type (info, fns, fhandle, type->u.krange->type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->range_type) (fhandle, type->u.krange->lower,
|
||
type->u.krange->upper);
|
||
case DEBUG_KIND_ARRAY:
|
||
if (! debug_write_type (info, fns, fhandle, type->u.karray->element_type,
|
||
(struct debug_name *) NULL)
|
||
|| ! debug_write_type (info, fns, fhandle,
|
||
type->u.karray->range_type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->array_type) (fhandle, type->u.karray->lower,
|
||
type->u.karray->upper,
|
||
type->u.karray->stringp);
|
||
case DEBUG_KIND_SET:
|
||
if (! debug_write_type (info, fns, fhandle, type->u.kset->type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->set_type) (fhandle, type->u.kset->bitstringp);
|
||
case DEBUG_KIND_OFFSET:
|
||
if (! debug_write_type (info, fns, fhandle, type->u.koffset->base_type,
|
||
(struct debug_name *) NULL)
|
||
|| ! debug_write_type (info, fns, fhandle,
|
||
type->u.koffset->target_type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->offset_type) (fhandle);
|
||
case DEBUG_KIND_METHOD:
|
||
if (! debug_write_type (info, fns, fhandle,
|
||
type->u.kmethod->return_type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
if (type->u.kmethod->arg_types == NULL)
|
||
i = -1;
|
||
else
|
||
{
|
||
for (i = 0; type->u.kmethod->arg_types[i] != NULL; i++)
|
||
{
|
||
if (ELLIPSIS_P (type->u.kmethod->arg_types[i]))
|
||
{
|
||
if (! (*fns->ellipsis_type) (fhandle))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
if (! debug_write_type (info, fns, fhandle,
|
||
type->u.kmethod->arg_types[i],
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
if (type->u.kmethod->domain_type != NULL)
|
||
{
|
||
if (! debug_write_type (info, fns, fhandle,
|
||
type->u.kmethod->domain_type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
}
|
||
return (*fns->method_type) (fhandle,
|
||
type->u.kmethod->domain_type != NULL,
|
||
i);
|
||
case DEBUG_KIND_CONST:
|
||
if (! debug_write_type (info, fns, fhandle, type->u.kconst,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->const_type) (fhandle);
|
||
case DEBUG_KIND_VOLATILE:
|
||
if (! debug_write_type (info, fns, fhandle, type->u.kvolatile,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
return (*fns->volatile_type) (fhandle);
|
||
case DEBUG_KIND_NAMED:
|
||
return debug_write_type (info, fns, fhandle, type->u.knamed->type,
|
||
(struct debug_name *) NULL);
|
||
case DEBUG_KIND_TAGGED:
|
||
return debug_write_type (info, fns, fhandle, type->u.knamed->type,
|
||
type->u.knamed->name);
|
||
default:
|
||
abort ();
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/* Write out a class type. */
|
||
|
||
static boolean
|
||
debug_write_class_type (info, fns, fhandle, type, tag)
|
||
struct debug_handle *info;
|
||
const struct debug_write_fns *fns;
|
||
PTR fhandle;
|
||
struct debug_type *type;
|
||
const char *tag;
|
||
{
|
||
unsigned int i;
|
||
unsigned int id;
|
||
struct debug_type *vptrbase;
|
||
|
||
if (type->u.kclass == NULL)
|
||
{
|
||
id = 0;
|
||
vptrbase = NULL;
|
||
}
|
||
else
|
||
{
|
||
if (info->class_mark == type->u.kclass->mark
|
||
|| type->u.kclass->id > info->base_id)
|
||
{
|
||
/* We are currently outputting this class, or we have
|
||
already output it. This can happen when there are
|
||
methods for an anonymous class. */
|
||
assert (type->u.kclass->id > info->base_id);
|
||
return (*fns->tag_type) (fhandle, tag, type->u.kclass->id,
|
||
type->kind);
|
||
}
|
||
type->u.kclass->mark = info->class_mark;
|
||
++info->class_id;
|
||
id = info->class_id;
|
||
type->u.kclass->id = id;
|
||
|
||
vptrbase = type->u.kclass->vptrbase;
|
||
if (vptrbase != NULL && vptrbase != type)
|
||
{
|
||
if (! debug_write_type (info, fns, fhandle, vptrbase,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (! (*fns->start_class_type) (fhandle, tag, id,
|
||
type->kind == DEBUG_KIND_CLASS,
|
||
type->size,
|
||
vptrbase != NULL,
|
||
vptrbase == type))
|
||
return false;
|
||
|
||
if (type->u.kclass != NULL)
|
||
{
|
||
if (type->u.kclass->fields != NULL)
|
||
{
|
||
for (i = 0; type->u.kclass->fields[i] != NULL; i++)
|
||
{
|
||
struct debug_field *f;
|
||
|
||
f = type->u.kclass->fields[i];
|
||
if (! debug_write_type (info, fns, fhandle, f->type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
if (f->static_member)
|
||
{
|
||
if (! (*fns->class_static_member) (fhandle, f->name,
|
||
f->u.s.physname,
|
||
f->visibility))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
if (! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos,
|
||
f->u.f.bitsize, f->visibility))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (type->u.kclass->baseclasses != NULL)
|
||
{
|
||
for (i = 0; type->u.kclass->baseclasses[i] != NULL; i++)
|
||
{
|
||
struct debug_baseclass *b;
|
||
|
||
b = type->u.kclass->baseclasses[i];
|
||
if (! debug_write_type (info, fns, fhandle, b->type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
if (! (*fns->class_baseclass) (fhandle, b->bitpos, b->virtual,
|
||
b->visibility))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (type->u.kclass->methods != NULL)
|
||
{
|
||
for (i = 0; type->u.kclass->methods[i] != NULL; i++)
|
||
{
|
||
struct debug_method *m;
|
||
unsigned int j;
|
||
|
||
m = type->u.kclass->methods[i];
|
||
if (! (*fns->class_start_method) (fhandle, m->name))
|
||
return false;
|
||
for (j = 0; m->variants[j] != NULL; j++)
|
||
{
|
||
struct debug_method_variant *v;
|
||
|
||
v = m->variants[j];
|
||
if (v->context != NULL)
|
||
{
|
||
if (! debug_write_type (info, fns, fhandle, v->context,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
}
|
||
if (! debug_write_type (info, fns, fhandle, v->type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
if (v->voffset != VOFFSET_STATIC_METHOD)
|
||
{
|
||
if (! (*fns->class_method_variant) (fhandle, v->physname,
|
||
v->visibility,
|
||
v->constp,
|
||
v->volatilep,
|
||
v->voffset,
|
||
v->context != NULL))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
if (! (*fns->class_static_method_variant) (fhandle,
|
||
v->physname,
|
||
v->visibility,
|
||
v->constp,
|
||
v->volatilep))
|
||
return false;
|
||
}
|
||
}
|
||
if (! (*fns->class_end_method) (fhandle))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
return (*fns->end_class_type) (fhandle);
|
||
}
|
||
|
||
/* Write out information for a function. */
|
||
|
||
static boolean
|
||
debug_write_function (info, fns, fhandle, name, linkage, function)
|
||
struct debug_handle *info;
|
||
const struct debug_write_fns *fns;
|
||
PTR fhandle;
|
||
const char *name;
|
||
enum debug_object_linkage linkage;
|
||
struct debug_function *function;
|
||
{
|
||
struct debug_parameter *p;
|
||
struct debug_block *b;
|
||
|
||
if (! debug_write_type (info, fns, fhandle, function->return_type,
|
||
(struct debug_name *) NULL))
|
||
return false;
|
||
|
||
if (! (*fns->start_function) (fhandle, name,
|
||
linkage == DEBUG_LINKAGE_GLOBAL))
|
||
return false;
|
||
|
||
for (p = function->parameters; p != NULL; p = p->next)
|
||
{
|
||
if (! debug_write_type (info, fns, fhandle, p->type,
|
||
(struct debug_name *) NULL)
|
||
|| ! (*fns->function_parameter) (fhandle, p->name, p->kind, p->val))
|
||
return false;
|
||
}
|
||
|
||
for (b = function->blocks; b != NULL; b = b->next)
|
||
{
|
||
if (! debug_write_block (info, fns, fhandle, b))
|
||
return false;
|
||
}
|
||
|
||
return (*fns->end_function) (fhandle);
|
||
}
|
||
|
||
/* Write out information for a block. */
|
||
|
||
static boolean
|
||
debug_write_block (info, fns, fhandle, block)
|
||
struct debug_handle *info;
|
||
const struct debug_write_fns *fns;
|
||
PTR fhandle;
|
||
struct debug_block *block;
|
||
{
|
||
struct debug_name *n;
|
||
struct debug_block *b;
|
||
|
||
if (! (*fns->start_block) (fhandle, block->start))
|
||
return false;
|
||
|
||
if (block->locals != NULL)
|
||
{
|
||
for (n = block->locals->list; n != NULL; n = n->next)
|
||
{
|
||
if (! debug_write_name (info, fns, fhandle, n))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
for (b = block->children; b != NULL; b = b->next)
|
||
{
|
||
if (! debug_write_block (info, fns, fhandle, b))
|
||
return false;
|
||
}
|
||
|
||
return (*fns->end_block) (fhandle, block->end);
|
||
}
|