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https://git.code.sf.net/p/quake/quakeforge
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d8a5d6745f
It is necessary to know if a def is a function parameter so it can be treated as initialized by the flow analyzer. The support for the flag in object files is, at this stage, purely for debugging purposes.
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/*
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def.h
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def management and symbol tables
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Copyright (C) 2002 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2002/06/04
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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.
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See the 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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __def_h
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#define __def_h
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#include "QF/pr_comp.h"
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#include "QF/pr_debug.h"
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typedef struct def_s {
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struct def_s *next; ///< general purpose linking
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struct def_s *temp_next; ///< linked list of "free" temp defs
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struct type_s *type;
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const char *name;
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struct defspace_s *space;
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int offset;
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struct def_s *alias;
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struct reloc_s *relocs; ///< for relocations
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struct expr_s *initializer; ///< initialer expression
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unsigned offset_reloc:1; ///< use *_def_ofs relocs
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unsigned initialized:1;
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unsigned constant:1; ///< stores constant value
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unsigned global:1; ///< globally declared def
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unsigned external:1; ///< externally declared def
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unsigned local:1; ///< function local def
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unsigned param:1; ///< function param def
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unsigned system:1; ///< system def
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unsigned nosave:1; ///< don't set DEF_SAVEGLOBAL
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string_t file; ///< source file
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int line; ///< source line
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int qfo_def; ///< index to def in qfo defs
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void *return_addr; ///< who allocated this
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} def_t;
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typedef enum storage_class_e {
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st_global,
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st_system,
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st_extern,
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st_static,
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st_param,
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st_local
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} storage_class_t;
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extern storage_class_t current_storage;
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def_t *new_def (const char *name, struct type_s *type,
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struct defspace_s *space, storage_class_t storage);
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def_t *alias_def (def_t *def, struct type_s *type);
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def_t *temp_def (etype_t type, int size);
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void free_temp_def (def_t *temp);
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void free_def (def_t *def);
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void def_to_ddef (def_t *def, ddef_t *ddef, int aux);
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struct symbol_s;
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struct expr_s;
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void initialize_def (struct symbol_s *sym, struct type_s *type,
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struct expr_s *init, struct defspace_s *space,
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storage_class_t storage);
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#endif//__def_h
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