chromium/third_party/nasm/output/outrdf2.c

/* ----------------------------------------------------------------------- *
 *   
 *   Copyright 1996-2016 The NASM Authors - All Rights Reserved
 *   See the file AUTHORS included with the NASM distribution for
 *   the specific copyright holders.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following
 *   conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *     
 *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ----------------------------------------------------------------------- */

/*
 * outrdf2.c	output routines for the Netwide Assembler to produce
 *		RDOFF version 2 format object files, which Julian originally
 *		planned to use it in his MOSCOW operating system.
 */

#include "compiler.h"

#include "nctype.h"

#include "nasm.h"
#include "nasmlib.h"
#include "error.h"
#include "saa.h"
#include "outform.h"
#include "outlib.h"

/* VERBOSE_WARNINGS: define this to add some extra warnings... */
#define VERBOSE_WARNINGS

#ifdef OF_RDF2

#include "rdoff.h"

/* This signature is written to start of RDOFF files */
static const char *RDOFF2Id =;

/* Note that whenever a segment is referred to in the RDOFF file, its number
 * is always half of the segment number that NASM uses to refer to it; this
 * is because NASM only allocates even numbered segments, so as to not
 * waste any of the 16 bits of segment number written to the file - this
 * allows up to 65533 external labels to be defined; otherwise it would be
 * 32764. */

#define COUNT_SEGTYPES

static char *segmenttypes[COUNT_SEGTYPES] =;

static int segmenttypenumbers[COUNT_SEGTYPES] =;

/* code for managing buffers needed to separate code and data into individual
 * sections until they are ready to be written to the file.
 * We'd better hope that it all fits in memory else we're buggered... */

#define BUF_BLOCK_LEN

/***********************************************************************
 * Actual code to deal with RDOFF2 ouput format begins here...
 */

/* global variables set during the initialisation phase */

static struct SAA *seg[RDF_MAXSEGS];    /* seg 0 = code, seg 1 = data */
static struct SAA *header;      /* relocation/import/export records */

static struct seginfo {} segments[RDF_MAXSEGS];

static int nsegments;

static int32_t bsslength;
static int32_t headerlength;

static void rdf2_init(void)
{}

static int32_t rdf2_section_names(char *name, int *bits)
{}

/*
 * Write relocation record
 */
static void write_reloc_rec(struct RelocRec *r)
{}

/*
 * Write export record
 */
static void write_export_rec(struct ExportRec *r)
{}

static void write_import_rec(struct ImportRec *r)
{}

/*
 * Write BSS record
 */
static void write_bss_rec(struct BSSRec *r)
{}

/*
 * Write common variable record
 */
static void write_common_rec(struct CommonRec *r)
{}

/*
 * Write library record
 */
static void write_dll_rec(struct DLLRec *r)
{}

/*
 * Write module name record
 */
static void write_modname_rec(struct ModRec *r)
{}

/*
 * Handle export, import and common records.
 */
static void rdf2_deflabel(char *name, int32_t segment, int64_t offset,
                          int is_global, char *special)
{}

static void membufwrite(int segment, const void *data, int bytes)
{}

static int getsegmentlength(int segment)
{}

static void rdf2_out(int32_t segto, const void *data,
		     enum out_type type, uint64_t size,
                     int32_t segment, int32_t wrt)
{}

static void rdf2_cleanup(void)
{}

/*
 * Handle RDOFF2 specific directives
 */
static enum directive_result
rdf2_directive(enum directive directive, char *value)
{}

extern macros_t rdf2_stdmac[];

const struct ofmt of_rdf2 =;

#endif                          /* OF_RDF2 */