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nasm.c
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/* ----------------------------------------------------------------------- *
*
* Copyright 1996-2024 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.
*
* ----------------------------------------------------------------------- */
/*
* The Netwide Assembler main program module
*/
#include "compiler.h"
#include "nasm.h"
#include "nasmlib.h"
#include "nctype.h"
#include "error.h"
#include "saa.h"
#include "raa.h"
#include "floats.h"
#include "stdscan.h"
#include "insns.h"
#include "preproc.h"
#include "parser.h"
#include "eval.h"
#include "assemble.h"
#include "labels.h"
#include "outform.h"
#include "listing.h"
#include "iflag.h"
#include "quote.h"
#include "ver.h"
/*
* This is the maximum number of optimization passes to do. If we ever
* find a case where the optimizer doesn't naturally converge, we might
* have to drop this value so the assembler doesn't appear to just hang.
*/
#define MAX_OPTIMIZE (INT_MAX >> 1)
struct forwrefinfo { /* info held on forward refs. */
int lineno;
int operand;
};
const char *_progname;
static void parse_cmdline(int, char **, int);
static void assemble_file(const char *, struct strlist *);
static bool skip_this_pass(errflags severity);
static void usage(void);
static void help(FILE *out, const char *what);
struct error_format {
const char *beforeline; /* Before line number, if present */
const char *afterline; /* After line number, if present */
const char *beforemsg; /* Before actual message */
};
static const struct error_format errfmt_gnu = { ":", "", ": " };
static const struct error_format errfmt_msvc = { "(", ")", " : " };
static const struct error_format *errfmt = &errfmt_gnu;
static struct strlist *warn_list;
static struct nasm_errhold *errhold_stack;
unsigned int debug_nasm; /* Debugging messages? */
static bool using_debug_info, opt_verbose_info;
static const char *debug_format;
#ifndef ABORT_ON_PANIC
# define ABORT_ON_PANIC 0
#endif
static bool abort_on_panic = ABORT_ON_PANIC;
static bool keep_all;
bool tasm_compatible_mode = false;
enum pass_type _pass_type;
const char * const _pass_types[] =
{
"init", "preproc-only", "first", "optimize", "stabilize", "final"
};
int64_t _passn;
int globalrel = 0;
int globalbnd = 0;
struct compile_time official_compile_time;
const char *inname;
const char *outname;
static const char *listname;
static const char *errname;
static int64_t globallineno; /* for forward-reference tracking */
const struct ofmt *ofmt = &OF_DEFAULT;
const struct ofmt_alias *ofmt_alias = NULL;
const struct dfmt *dfmt;
FILE *error_file; /* Where to write error messages */
FILE *ofile = NULL;
struct optimization optimizing =
{ MAX_OPTIMIZE, OPTIM_ALL_ENABLED }; /* number of optimization passes to take */
static int cmd_sb = 16; /* by default */
iflag_t cpu, cmd_cpu;
struct location location;
bool in_absolute; /* Flag we are in ABSOLUTE seg */
struct location absolute; /* Segment/offset inside ABSOLUTE */
static struct RAA *offsets;
static struct SAA *forwrefs; /* keep track of forward references */
static const struct forwrefinfo *forwref;
static struct strlist *include_path;
static enum preproc_opt ppopt;
#define OP_NORMAL (1U << 0)
#define OP_PREPROCESS (1U << 1)
#define OP_DEPEND (1U << 2)
static unsigned int operating_mode;
/* Dependency flags */
static bool depend_emit_phony = false;
static bool depend_missing_ok = false;
static const char *depend_target = NULL;
static const char *depend_file = NULL;
struct strlist *depend_list;
static bool want_usage;
static bool terminate_after_phase;
bool user_nolist = false;
static char *quote_for_pmake(const char *str);
static char *quote_for_wmake(const char *str);
static char *(*quote_for_make)(const char *) = quote_for_pmake;
/*
* Execution limits that can be set via a command-line option or %pragma
*/
/*
* This is really unlimited; it would take far longer than the
* current age of the universe for this limit to be reached even on
* much faster CPUs than currently exist.
*/
#define LIMIT_MAX_VAL (INT64_MAX >> 1)
int64_t nasm_limit[LIMIT_MAX+1];
struct limit_info {
const char *name;
const char *help;
int64_t default_val;
};
/* The order here must match enum nasm_limit in nasm.h */
static const struct limit_info limit_info[LIMIT_MAX+1] = {
{ "passes", "total number of passes", LIMIT_MAX_VAL },
{ "stalled-passes", "number of passes without forward progress", 1000 },
{ "macro-levels", "levels of macro expansion", 10000 },
{ "macro-tokens", "tokens processed during single-lime macro expansion", 10000000 },
{ "mmacros", "multi-line macros before final return", 100000 },
{ "rep", "%rep count", 1000000 },
{ "eval", "expression evaluation descent", 8192 },
{ "lines", "total source lines processed", 2000000000 }
};
static void set_default_limits(void)
{
int i;
size_t rl;
int64_t new_limit;
for (i = 0; i <= LIMIT_MAX; i++)
nasm_limit[i] = limit_info[i].default_val;
/*
* Try to set a sensible default value for the eval depth based
* on the limit of the stack size, if knowable...
*/
rl = nasm_get_stack_size_limit();
new_limit = rl / (128 * sizeof(void *)); /* Sensible heuristic */
if (new_limit < nasm_limit[LIMIT_EVAL])
nasm_limit[LIMIT_EVAL] = new_limit;
}
enum directive_result
nasm_set_limit(const char *limit, const char *valstr)
{
int i;
int64_t val;
bool rn_error;
int errlevel;
if (!limit)
limit = "";
if (!valstr)
valstr = "";
for (i = 0; i <= LIMIT_MAX; i++) {
if (!nasm_stricmp(limit, limit_info[i].name))
break;
}
if (i > LIMIT_MAX) {
if (not_started())
errlevel = ERR_WARNING|WARN_OTHER|ERR_USAGE;
else
errlevel = ERR_WARNING|WARN_PRAGMA_UNKNOWN;
nasm_error(errlevel, "unknown limit: `%s'", limit);
return DIRR_ERROR;
}
if (!nasm_stricmp(valstr, "unlimited")) {
val = LIMIT_MAX_VAL;
} else {
val = readnum(valstr, &rn_error);
if (rn_error || val < 0) {
if (not_started())
errlevel = ERR_WARNING|WARN_OTHER|ERR_USAGE;
else
errlevel = ERR_WARNING|WARN_PRAGMA_BAD;
nasm_error(errlevel, "invalid limit value: `%s'", valstr);
return DIRR_ERROR;
}
if (val > LIMIT_MAX_VAL)
val = LIMIT_MAX_VAL;
}
nasm_limit[i] = val;
return DIRR_OK;
}
int64_t switch_segment(int32_t segment)
{
location.segment = segment;
if (segment == NO_SEG) {
location.offset = absolute.offset;
in_absolute = true;
} else {
location.offset = raa_read(offsets, segment);
in_absolute = false;
}
return location.offset;
}
static void set_curr_offs(int64_t l_off)
{
if (in_absolute)
absolute.offset = l_off;
else
offsets = raa_write(offsets, location.segment, l_off);
}
static void increment_offset(int64_t delta)
{
if (unlikely(delta == 0))
return;
location.offset += delta;
set_curr_offs(location.offset);
}
/*
* Define system-defined macros that are not part of
* macros/standard.mac.
*/
static void define_macros(void)
{
const struct compile_time * const oct = &official_compile_time;
char temp[128];
if (oct->have_local) {
strftime(temp, sizeof temp, "__?DATE?__=\"%Y-%m-%d\"", &oct->local);
pp_pre_define(temp);
strftime(temp, sizeof temp, "__?DATE_NUM?__=%Y%m%d", &oct->local);
pp_pre_define(temp);
strftime(temp, sizeof temp, "__?TIME?__=\"%H:%M:%S\"", &oct->local);
pp_pre_define(temp);
strftime(temp, sizeof temp, "__?TIME_NUM?__=%H%M%S", &oct->local);
pp_pre_define(temp);
}
if (oct->have_gm) {
strftime(temp, sizeof temp, "__?UTC_DATE?__=\"%Y-%m-%d\"", &oct->gm);
pp_pre_define(temp);
strftime(temp, sizeof temp, "__?UTC_DATE_NUM?__=%Y%m%d", &oct->gm);
pp_pre_define(temp);
strftime(temp, sizeof temp, "__?UTC_TIME?__=\"%H:%M:%S\"", &oct->gm);
pp_pre_define(temp);
strftime(temp, sizeof temp, "__?UTC_TIME_NUM?__=%H%M%S", &oct->gm);
pp_pre_define(temp);
}
if (oct->have_posix) {
snprintf(temp, sizeof temp, "__?POSIX_TIME?__=%"PRId64, oct->posix);
pp_pre_define(temp);
}
/*
* In case if output format is defined by alias
* we have to put shortname of the alias itself here
* otherwise ABI backward compatibility gets broken.
*/
snprintf(temp, sizeof(temp), "__?OUTPUT_FORMAT?__=%s",
ofmt_alias ? ofmt_alias->shortname : ofmt->shortname);
pp_pre_define(temp);
/*
* Output-format specific macros.
*/
if (ofmt->stdmac)
pp_extra_stdmac(ofmt->stdmac);
/*
* Debug format, if any
*/
if (dfmt != &null_debug_form) {
snprintf(temp, sizeof(temp), "__?DEBUG_FORMAT?__=%s", dfmt->shortname);
pp_pre_define(temp);
}
}
/*
* Initialize the preprocessor, set up the include path, and define
* the system-included macros. This is called between passes 1 and 2
* of parsing the command options; ofmt and dfmt are defined at this
* point.
*
* Command-line specified preprocessor directives (-p, -d, -u,
* --pragma, --before) are processed after this function.
*/
static void preproc_init(struct strlist *ipath)
{
pp_init(ppopt);
define_macros();
pp_include_path(ipath);
}
static void emit_dependencies(struct strlist *list)
{
FILE *deps;
int linepos, len;
bool wmake = (quote_for_make == quote_for_wmake);
const char *wrapstr, *nulltarget;
const struct strlist_entry *l;
if (!list)
return;
wrapstr = wmake ? " &\n " : " \\\n ";
nulltarget = wmake ? "\t%null\n" : "";
if (depend_file && strcmp(depend_file, "-")) {
deps = nasm_open_write(depend_file, NF_TEXT);
if (!deps) {
nasm_nonfatal("unable to write dependency file `%s'", depend_file);
return;
}
} else {
deps = stdout;
}
linepos = fprintf(deps, "%s :", depend_target);
strlist_for_each(l, list) {
char *file = quote_for_make(l->str);
len = strlen(file);
if (linepos + len > 62 && linepos > 1) {
fputs(wrapstr, deps);
linepos = 1;
}
fprintf(deps, " %s", file);
linepos += len+1;
nasm_free(file);
}
fputs("\n\n", deps);
strlist_for_each(l, list) {
if (depend_emit_phony) {
char *file = quote_for_make(l->str);
fprintf(deps, "%s :\n%s\n", file, nulltarget);
nasm_free(file);
}
}
strlist_free(&list);
if (deps != stdout)
fclose(deps);
}
/* Convert a struct tm to a POSIX-style time constant */
static int64_t make_posix_time(const struct tm *tm)
{
int64_t t;
int64_t y = tm->tm_year;
/* See IEEE 1003.1:2004, section 4.14 */
t = (y-70)*365 + (y-69)/4 - (y-1)/100 + (y+299)/400;
t += tm->tm_yday;
t *= 24;
t += tm->tm_hour;
t *= 60;
t += tm->tm_min;
t *= 60;
t += tm->tm_sec;
return t;
}
/*
* Quote a filename string if and only if it is necessary.
* It is considered necessary if any one of these is true:
* 1. The filename contains control characters;
* 2. The filename starts or ends with a space or quote mark;
* 3. The filename contains more than one space in a row;
* 4. The filename is empty.
*
* The filename is returned in a newly allocated buffer.
*/
static char *nasm_quote_filename(const char *fn)
{
const unsigned char *p =
(const unsigned char *)fn;
size_t len;
if (!p || !*p)
return nasm_strdup("\"\"");
if (*p <= ' ' || nasm_isquote(*p)) {
goto quote;
} else {
unsigned char cutoff = ' ';
while (*p) {
if (*p < cutoff)
goto quote;
cutoff = ' ' + (*p == ' ');
p++;
}
if (p[-1] <= ' ' || nasm_isquote(p[-1]))
goto quote;
}
/* Quoting not necessary */
return nasm_strdup(fn);
quote:
len = strlen(fn);
return nasm_quote(fn, &len);
}
static void timestamp(void)
{
struct compile_time * const oct = &official_compile_time;
const struct tm *tp, *best_gm;
time(&oct->t);
best_gm = NULL;
tp = localtime(&oct->t);
if (tp) {
oct->local = *tp;
best_gm = &oct->local;
oct->have_local = true;
}
tp = gmtime(&oct->t);
if (tp) {
oct->gm = *tp;
best_gm = &oct->gm;
oct->have_gm = true;
if (!oct->have_local)
oct->local = oct->gm;
} else {
oct->gm = oct->local;
}
if (best_gm) {
oct->posix = make_posix_time(best_gm);
oct->have_posix = true;
}
}
int main(int argc, char **argv)
{
/* Do these as early as possible */
error_file = stderr;
_progname = argv[0];
if (!_progname || !_progname[0])
_progname = "nasm";
timestamp();
set_cpu(NULL);
cmd_cpu = cpu;
set_default_limits();
include_path = strlist_alloc(true);
_pass_type = PASS_INIT;
_passn = 0;
want_usage = terminate_after_phase = false;
nasm_ctype_init();
src_init();
/*
* We must call init_labels() before the command line parsing,
* because we may be setting prefixes/suffixes from the command
* line.
*/
init_labels();
offsets = raa_init();
forwrefs = saa_init((int32_t)sizeof(struct forwrefinfo));
operating_mode = OP_NORMAL;
parse_cmdline(argc, argv, 1);
if (terminate_after_phase) {
if (want_usage)
usage();
return 1;
}
/* At this point we have ofmt and the name of the desired debug format */
if (!using_debug_info) {
/* No debug info, redirect to the null backend (empty stubs) */
dfmt = &null_debug_form;
} else if (!debug_format) {
/* Default debug format for this backend */
dfmt = ofmt->default_dfmt;
} else {
dfmt = dfmt_find(ofmt, debug_format);
if (!dfmt) {
nasm_fatalf(ERR_USAGE, "unrecognized debug format `%s' for output format `%s'",
debug_format, ofmt->shortname);
}
}
/* Have we enabled TASM mode? */
if (tasm_compatible_mode) {
ppopt |= PP_TASM;
nasm_ctype_tasm_mode();
}
preproc_init(include_path);
parse_cmdline(argc, argv, 2);
if (terminate_after_phase) {
if (want_usage)
usage();
return 1;
}
/* Save away the default state of warnings */
init_warnings();
/* Dependency filename if we are also doing other things */
if (!depend_file && (operating_mode & ~OP_DEPEND)) {
if (outname)
depend_file = nasm_strcat(outname, ".d");
else
depend_file = filename_set_extension(inname, ".d");
}
/*
* If no output file name provided and this
* is preprocess mode, we're perfectly
* fine to output into stdout.
*/
if (!outname && !(operating_mode & OP_PREPROCESS)) {
outname = filename_set_extension(inname, ofmt->extension);
if (!strcmp(outname, inname)) {
outname = "nasm.out";
nasm_warn(WARN_OTHER, "default output file same as input, using `%s' for output\n", outname);
}
}
depend_list = (operating_mode & OP_DEPEND) ? strlist_alloc(true) : NULL;
if (!depend_target)
depend_target = quote_for_make(outname);
if (!(operating_mode & (OP_PREPROCESS|OP_NORMAL))) {
char *line;
if (depend_missing_ok)
pp_include_path(NULL); /* "assume generated" */
pp_reset(inname, PP_DEPS, depend_list);
ofile = NULL;
while ((line = pp_getline()))
nasm_free(line);
pp_cleanup_pass();
reset_warnings();
} else if (operating_mode & OP_PREPROCESS) {
char *line;
const char *file_name = NULL;
char *quoted_file_name = nasm_quote_filename(file_name);
int32_t linnum = 0;
int32_t lineinc = 0;
FILE *out;
if (outname) {
ofile = nasm_open_write(outname, NF_TEXT);
if (!ofile)
nasm_fatal("unable to open output file `%s'", outname);
out = ofile;
} else {
ofile = NULL;
out = stdout;
}
location.known = false;
_pass_type = PASS_PREPROC;
pp_reset(inname, PP_PREPROC, depend_list);
while ((line = pp_getline())) {
/*
* We generate %line directives if needed for later programs
*/
struct src_location where = src_where();
if (file_name != where.filename) {
file_name = where.filename;
linnum = -1; /* Force a new %line statement */
lineinc = file_name ? 1 : 0;
nasm_free(quoted_file_name);
quoted_file_name = nasm_quote_filename(file_name);
} else if (lineinc) {
if (linnum + lineinc == where.lineno) {
/* Add one blank line to account for increment */
fputc('\n', out);
linnum += lineinc;
} else if (linnum - lineinc == where.lineno) {
/*
* Standing still, probably a macro. Set increment
* to zero.
*/
lineinc = 0;
}
} else {
/* lineinc == 0 */
if (linnum + 1 == where.lineno)
lineinc = 1;
}
/* Skip blank lines if we will need a %line anyway */
if (linnum == -1 && !line[0])
continue;
if (linnum != where.lineno) {
fprintf(out, "%%line %"PRId32"%+"PRId32" %s\n",
where.lineno, lineinc, quoted_file_name);
}
linnum = where.lineno + lineinc;
fputs(line, out);
fputc('\n', out);
}
nasm_free(quoted_file_name);
pp_cleanup_pass();
reset_warnings();
if (ofile)
fclose(ofile);
if (ofile && terminate_after_phase && !keep_all)
remove(outname);
ofile = NULL;
}
if (operating_mode & OP_NORMAL) {
ofile = nasm_open_write(outname, (ofmt->flags & OFMT_TEXT) ? NF_TEXT : NF_BINARY);
if (!ofile)
nasm_fatal("unable to open output file `%s'", outname);
ofmt->init();
dfmt->init();
assemble_file(inname, depend_list);
if (!terminate_after_phase) {
ofmt->cleanup();
cleanup_labels();
fflush(ofile);
if (ferror(ofile))
nasm_nonfatal("write error on output file `%s'", outname);
}
if (ofile) {
fclose(ofile);
if (terminate_after_phase && !keep_all)
remove(outname);
ofile = NULL;
}
}
pp_cleanup_session();
if (depend_list && !terminate_after_phase)
emit_dependencies(depend_list);
if (want_usage)
usage();
raa_free(offsets);
saa_free(forwrefs);
eval_cleanup();
stdscan_cleanup();
src_free();
strlist_free(&include_path);
return terminate_after_phase;
}
/*
* Get a parameter for a command line option.
* First arg must be in the form of e.g. -f...
*
* get_param() errors on a missing argument; get_opt_param() does not.
*/
static char *get_opt_param(char *p, char *q, bool *advance)
{
*advance = false;
if (p[2]) /* the parameter's in the option */
return nasm_skip_spaces(p + 2);
if (q && q[0]) {
*advance = true;
return q;
}
return NULL;
}
static char *get_param(char *p, char *q, bool *advance)
{
char *r = get_opt_param(p, q, advance);
if (!r)
nasm_nonfatalf(ERR_USAGE, "option `-%c' requires an argument", p[1]);
return r;
}
/*
* Copy a filename
*/
static void copy_filename(const char **dst, const char *src, const char *what)
{
if (*dst)
nasm_fatal("more than one %s file specified: %s\n", what, src);
*dst = nasm_strdup(src);
}
/*
* Convert a string to a POSIX make-safe form
*/
static char *quote_for_pmake(const char *str)
{
const char *p;
char *os, *q;
size_t n = 1; /* Terminating zero */
size_t nbs = 0;
if (!str)
return NULL;
for (p = str; *p; p++) {
switch (*p) {
case ' ':
case '\t':
/* Convert N backslashes + ws -> 2N+1 backslashes + ws */
n += nbs + 2;
nbs = 0;
break;
case '$':
case '#':
nbs = 0;
n += 2;
break;
case '\\':
nbs++;
n++;
break;
default:
nbs = 0;
n++;
break;
}
}
/* Convert N backslashes at the end of filename to 2N backslashes */
n += nbs;
os = q = nasm_malloc(n);
nbs = 0;
for (p = str; *p; p++) {
switch (*p) {
case ' ':
case '\t':
q = mempset(q, '\\', nbs);
*q++ = '\\';
*q++ = *p;
nbs = 0;
break;
case '$':
*q++ = *p;
*q++ = *p;
nbs = 0;
break;
case '#':
*q++ = '\\';
*q++ = *p;
nbs = 0;
break;
case '\\':
*q++ = *p;
nbs++;
break;
default:
*q++ = *p;
nbs = 0;
break;
}
}
q = mempset(q, '\\', nbs);
*q = '\0';
return os;
}
/*
* Convert a string to a Watcom make-safe form
*/
static char *quote_for_wmake(const char *str)
{
const char *p;
char *os, *q;
bool quote = false;
size_t n = 1; /* Terminating zero */
if (!str)
return NULL;
for (p = str; *p; p++) {
switch (*p) {
case ' ':
case '\t':
case '&':
quote = true;
n++;
break;
case '\"':
quote = true;
n += 2;
break;
case '$':
case '#':
n += 2;
break;
default:
n++;
break;
}
}
if (quote)
n += 2;
os = q = nasm_malloc(n);
if (quote)
*q++ = '\"';
for (p = str; *p; p++) {
switch (*p) {
case '$':
case '#':
*q++ = '$';
*q++ = *p;
break;
case '\"':
*q++ = *p;
*q++ = *p;
break;
default:
*q++ = *p;
break;
}
}
if (quote)
*q++ = '\"';
*q = '\0';
return os;
}
enum text_options {
OPT_BOGUS,
OPT_VERSION,
OPT_HELP,
OPT_ABORT_ON_PANIC,
OPT_MANGLE,
OPT_INCLUDE,
OPT_PRAGMA,
OPT_BEFORE,
OPT_LIMIT,
OPT_KEEP_ALL,
OPT_NO_LINE,
OPT_DEBUG,
OPT_REPRODUCIBLE
};
enum need_arg {
ARG_NO,
ARG_YES,
ARG_MAYBE
};
struct textargs {
const char *label;
enum text_options opt;
enum need_arg need_arg;
int pvt;
};
static const struct textargs textopts[] = {
{"v", OPT_VERSION, ARG_NO, 0},
{"version", OPT_VERSION, ARG_NO, 0},
{"help", OPT_HELP, ARG_MAYBE, 0},
{"abort-on-panic", OPT_ABORT_ON_PANIC, ARG_NO, 0},
{"prefix", OPT_MANGLE, ARG_YES, LM_GPREFIX},
{"postfix", OPT_MANGLE, ARG_YES, LM_GSUFFIX},
{"gprefix", OPT_MANGLE, ARG_YES, LM_GPREFIX},
{"gpostfix", OPT_MANGLE, ARG_YES, LM_GSUFFIX},
{"lprefix", OPT_MANGLE, ARG_YES, LM_LPREFIX},
{"lpostfix", OPT_MANGLE, ARG_YES, LM_LSUFFIX},
{"include", OPT_INCLUDE, ARG_YES, 0},
{"pragma", OPT_PRAGMA, ARG_YES, 0},
{"before", OPT_BEFORE, ARG_YES, 0},
{"limit-", OPT_LIMIT, ARG_YES, 0},
{"keep-all", OPT_KEEP_ALL, ARG_NO, 0},
{"no-line", OPT_NO_LINE, ARG_NO, 0},
{"debug", OPT_DEBUG, ARG_MAYBE, 0},
{"reproducible", OPT_REPRODUCIBLE, ARG_NO, 0},
{NULL, OPT_BOGUS, ARG_NO, 0}
};
static void show_version(void)
{
printf("NASM version %s compiled on %s%s\n",
nasm_version, nasm_date, nasm_compile_options);
exit(0);
}
static bool stopoptions = false;
static bool process_arg(char *p, char *q, int pass)
{
char *param;
bool advance = false;
if (!p || !p[0])
return false;