mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-07 13:41:32 +00:00
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/*
|
|
reloc.h
|
|
|
|
relocation support
|
|
|
|
Copyright (C) 2002 Bill Currie <bill@taniwha.org>
|
|
|
|
Author: Bill Currie <bill@taniwha.org>
|
|
Date: 2002/06/07
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#ifndef __reloc_h
|
|
#define __reloc_h
|
|
|
|
/** \defgroup qfcc_reloc Relocation handling
|
|
\ingroup qfcc
|
|
*/
|
|
///@{
|
|
|
|
/** Relocation record types.
|
|
Types marked with * are relative and fixed up before the qfo is written.
|
|
Types marked with ! are handled by only the linker.
|
|
Types marked with + use pr.relocs
|
|
*/
|
|
typedef enum {
|
|
rel_none, ///< no relocation
|
|
rel_op_a_def, ///< code[ref.offset].a = def offset
|
|
rel_op_b_def, ///< code[ref.offset].b = def offset
|
|
rel_op_c_def, ///< code[ref.offset].c = def offset
|
|
rel_op_a_op, ///< * code[ref.offset].a = code offset - ref.offset
|
|
rel_op_b_op, ///< * code[ref.offset].b = code offset - ref.offset
|
|
rel_op_c_op, ///< * code[ref.offset].c = code offset - ref.offset
|
|
rel_def_op, ///< + data[ref.offset] = code offset
|
|
rel_def_def, ///< data[ref.offset] = def offset
|
|
rel_def_func, ///< +(sometimes) data[ref.offset] = offset
|
|
rel_def_string, ///< + ! data[ref.offset] = string index
|
|
rel_def_field, ///< ! data[ref.offset] = field def offset
|
|
rel_op_a_def_ofs, ///< code[ref.offset].a += def offset
|
|
rel_op_b_def_ofs, ///< code[ref.offset].b += def offset
|
|
rel_op_c_def_ofs, ///< code[ref.offset].c += def offset
|
|
rel_def_def_ofs, ///< data[ref.offset] += def offset
|
|
rel_def_field_ofs, ///< data[ref.offset] += field def offset
|
|
} reloc_type;
|
|
|
|
typedef struct reloc_s {
|
|
struct reloc_s *next;
|
|
struct ex_label_s *label;
|
|
int offset;
|
|
reloc_type type;
|
|
int line;
|
|
string_t file;
|
|
void *return_address;
|
|
} reloc_t;
|
|
|
|
struct statement_s;
|
|
struct def_s;
|
|
struct function_s;
|
|
|
|
reloc_t *new_reloc (int offset, reloc_type type);
|
|
void relocate_refs (reloc_t *refs, int offset);
|
|
void reloc_op_def (struct def_s *def, int offset, int field);
|
|
void reloc_op_def_ofs (struct def_s *def, int offset, int field);
|
|
void reloc_def_def (struct def_s *def, int offset);
|
|
void reloc_def_def_ofs (struct def_s *def, int offset);
|
|
void reloc_def_func (struct function_s *func, int offset);
|
|
void reloc_def_string (int offset);
|
|
void reloc_def_field (struct def_s *def, int offset);
|
|
void reloc_def_field_ofs (struct def_s *def, int offset);
|
|
void reloc_def_op (struct ex_label_s *label, int offset);
|
|
|
|
///@}
|
|
|
|
#endif//__reloc_h
|