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-rw-r--r--nasm.c2120
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diff --git a/nasm.c b/nasm.c
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--- /dev/null
+++ b/nasm.c
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+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 1996-2009 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 <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <time.h>
+
+#include "nasm.h"
+#include "nasmlib.h"
+#include "saa.h"
+#include "raa.h"
+#include "float.h"
+#include "stdscan.h"
+#include "insns.h"
+#include "preproc.h"
+#include "parser.h"
+#include "eval.h"
+#include "assemble.h"
+#include "labels.h"
+#include "output/outform.h"
+#include "listing.h"
+
+struct forwrefinfo { /* info held on forward refs. */
+ int lineno;
+ int operand;
+};
+
+static int get_bits(char *value);
+static uint32_t get_cpu(char *cpu_str);
+static void parse_cmdline(int, char **);
+static void assemble_file(char *, StrList **);
+static void nasm_verror_gnu(int severity, const char *fmt, va_list args);
+static void nasm_verror_vc(int severity, const char *fmt, va_list args);
+static void nasm_verror_common(int severity, const char *fmt, va_list args);
+static bool is_suppressed_warning(int severity);
+static void usage(void);
+
+static int using_debug_info, opt_verbose_info;
+bool tasm_compatible_mode = false;
+int pass0, passn;
+int maxbits = 0;
+int globalrel = 0;
+
+static time_t official_compile_time;
+
+static char inname[FILENAME_MAX];
+static char outname[FILENAME_MAX];
+static char listname[FILENAME_MAX];
+static char errname[FILENAME_MAX];
+static int globallineno; /* for forward-reference tracking */
+/* static int pass = 0; */
+struct ofmt *ofmt = &OF_DEFAULT;
+const struct dfmt *dfmt;
+
+static FILE *error_file; /* Where to write error messages */
+
+FILE *ofile = NULL;
+int optimizing = -1; /* number of optimization passes to take */
+static int sb, cmd_sb = 16; /* by default */
+static uint32_t cmd_cpu = IF_PLEVEL; /* highest level by default */
+static uint32_t cpu = IF_PLEVEL; /* passed to insn_size & assemble.c */
+int64_t global_offset_changed; /* referenced in labels.c */
+int64_t prev_offset_changed;
+int32_t stall_count;
+
+static struct location location;
+int in_abs_seg; /* Flag we are in ABSOLUTE seg */
+int32_t abs_seg; /* ABSOLUTE segment basis */
+int32_t abs_offset; /* ABSOLUTE offset */
+
+static struct RAA *offsets;
+
+static struct SAA *forwrefs; /* keep track of forward references */
+static const struct forwrefinfo *forwref;
+
+static Preproc *preproc;
+enum op_type {
+ op_normal, /* Preprocess and assemble */
+ op_preprocess, /* Preprocess only */
+ op_depend, /* Generate dependencies */
+};
+static enum op_type 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;
+
+/*
+ * Which of the suppressible warnings are suppressed. Entry zero
+ * isn't an actual warning, but it used for -w+error/-Werror.
+ */
+
+static bool warning_on[ERR_WARN_MAX+1]; /* Current state */
+static bool warning_on_global[ERR_WARN_MAX+1]; /* Command-line state */
+
+static const struct warning {
+ const char *name;
+ const char *help;
+ bool enabled;
+} warnings[ERR_WARN_MAX+1] = {
+ {"error", "treat warnings as errors", false},
+ {"macro-params", "macro calls with wrong parameter count", true},
+ {"macro-selfref", "cyclic macro references", false},
+ {"macro-defaults", "macros with more default than optional parameters", true},
+ {"orphan-labels", "labels alone on lines without trailing `:'", true},
+ {"number-overflow", "numeric constant does not fit", true},
+ {"gnu-elf-extensions", "using 8- or 16-bit relocation in ELF32, a GNU extension", false},
+ {"float-overflow", "floating point overflow", true},
+ {"float-denorm", "floating point denormal", false},
+ {"float-underflow", "floating point underflow", false},
+ {"float-toolong", "too many digits in floating-point number", true},
+ {"user", "%warning directives", true},
+};
+
+/*
+ * This is a null preprocessor which just copies lines from input
+ * to output. It's used when someone explicitly requests that NASM
+ * not preprocess their source file.
+ */
+
+static void no_pp_reset(char *, int, ListGen *, StrList **);
+static char *no_pp_getline(void);
+static void no_pp_cleanup(int);
+static Preproc no_pp = {
+ no_pp_reset,
+ no_pp_getline,
+ no_pp_cleanup
+};
+
+/*
+ * get/set current offset...
+ */
+#define GET_CURR_OFFS (in_abs_seg?abs_offset:\
+ raa_read(offsets,location.segment))
+#define SET_CURR_OFFS(x) (in_abs_seg?(void)(abs_offset=(x)):\
+ (void)(offsets=raa_write(offsets,location.segment,(x))))
+
+static bool want_usage;
+static bool terminate_after_phase;
+int user_nolist = 0; /* fbk 9/2/00 */
+
+static void nasm_fputs(const char *line, FILE * outfile)
+{
+ if (outfile) {
+ fputs(line, outfile);
+ putc('\n', outfile);
+ } else
+ puts(line);
+}
+
+/* Convert a struct tm to a POSIX-style time constant */
+static int64_t posix_mktime(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;
+}
+
+static void define_macros_early(void)
+{
+ char temp[128];
+ struct tm lt, *lt_p, gm, *gm_p;
+ int64_t posix_time;
+
+ lt_p = localtime(&official_compile_time);
+ if (lt_p) {
+ lt = *lt_p;
+
+ strftime(temp, sizeof temp, "__DATE__=\"%Y-%m-%d\"", &lt);
+ pp_pre_define(temp);
+ strftime(temp, sizeof temp, "__DATE_NUM__=%Y%m%d", &lt);
+ pp_pre_define(temp);
+ strftime(temp, sizeof temp, "__TIME__=\"%H:%M:%S\"", &lt);
+ pp_pre_define(temp);
+ strftime(temp, sizeof temp, "__TIME_NUM__=%H%M%S", &lt);
+ pp_pre_define(temp);
+ }
+
+ gm_p = gmtime(&official_compile_time);
+ if (gm_p) {
+ gm = *gm_p;
+
+ strftime(temp, sizeof temp, "__UTC_DATE__=\"%Y-%m-%d\"", &gm);
+ pp_pre_define(temp);
+ strftime(temp, sizeof temp, "__UTC_DATE_NUM__=%Y%m%d", &gm);
+ pp_pre_define(temp);
+ strftime(temp, sizeof temp, "__UTC_TIME__=\"%H:%M:%S\"", &gm);
+ pp_pre_define(temp);
+ strftime(temp, sizeof temp, "__UTC_TIME_NUM__=%H%M%S", &gm);
+ pp_pre_define(temp);
+ }
+
+ if (gm_p)
+ posix_time = posix_mktime(&gm);
+ else if (lt_p)
+ posix_time = posix_mktime(&lt);
+ else
+ posix_time = 0;
+
+ if (posix_time) {
+ snprintf(temp, sizeof temp, "__POSIX_TIME__=%"PRId64, posix_time);
+ pp_pre_define(temp);
+ }
+}
+
+static void define_macros_late(void)
+{
+ char temp[128];
+
+ snprintf(temp, sizeof(temp), "__OUTPUT_FORMAT__=%s\n",
+ ofmt->shortname);
+ pp_pre_define(temp);
+}
+
+static void emit_dependencies(StrList *list)
+{
+ FILE *deps;
+ int linepos, len;
+ StrList *l, *nl;
+
+ if (depend_file && strcmp(depend_file, "-")) {
+ deps = fopen(depend_file, "w");
+ if (!deps) {
+ nasm_error(ERR_NONFATAL|ERR_NOFILE|ERR_USAGE,
+ "unable to write dependency file `%s'", depend_file);
+ return;
+ }
+ } else {
+ deps = stdout;
+ }
+
+ linepos = fprintf(deps, "%s:", depend_target);
+ list_for_each(l, list) {
+ len = strlen(l->str);
+ if (linepos + len > 62) {
+ fprintf(deps, " \\\n ");
+ linepos = 1;
+ }
+ fprintf(deps, " %s", l->str);
+ linepos += len+1;
+ }
+ fprintf(deps, "\n\n");
+
+ list_for_each_safe(l, nl, list) {
+ if (depend_emit_phony)
+ fprintf(deps, "%s:\n\n", l->str);
+ nasm_free(l);
+ }
+
+ if (deps != stdout)
+ fclose(deps);
+}
+
+int main(int argc, char **argv)
+{
+ StrList *depend_list = NULL, **depend_ptr;
+
+ time(&official_compile_time);
+
+ pass0 = 0;
+ want_usage = terminate_after_phase = false;
+ nasm_set_verror(nasm_verror_gnu);
+
+ error_file = stderr;
+
+ tolower_init();
+
+ nasm_init_malloc_error();
+ offsets = raa_init();
+ forwrefs = saa_init((int32_t)sizeof(struct forwrefinfo));
+
+ preproc = &nasmpp;
+ operating_mode = op_normal;
+
+ seg_init();
+
+ /* Define some macros dependent on the runtime, but not
+ on the command line. */
+ define_macros_early();
+
+ parse_cmdline(argc, argv);
+
+ if (terminate_after_phase) {
+ if (want_usage)
+ usage();
+ return 1;
+ }
+
+ /* If debugging info is disabled, suppress any debug calls */
+ if (!using_debug_info)
+ ofmt->current_dfmt = &null_debug_form;
+
+ if (ofmt->stdmac)
+ pp_extra_stdmac(ofmt->stdmac);
+ parser_global_info(&location);
+ eval_global_info(ofmt, lookup_label, &location);
+
+ /* define some macros dependent of command-line */
+ define_macros_late();
+
+ depend_ptr = (depend_file || (operating_mode == op_depend))
+ ? &depend_list : NULL;
+ if (!depend_target)
+ depend_target = outname;
+
+ switch (operating_mode) {
+ case op_depend:
+ {
+ char *line;
+
+ if (depend_missing_ok)
+ pp_include_path(NULL); /* "assume generated" */
+
+ preproc->reset(inname, 0, &nasmlist, depend_ptr);
+ if (outname[0] == '\0')
+ ofmt->filename(inname, outname);
+ ofile = NULL;
+ while ((line = preproc->getline()))
+ nasm_free(line);
+ preproc->cleanup(0);
+ }
+ break;
+
+ case op_preprocess:
+ {
+ char *line;
+ char *file_name = NULL;
+ int32_t prior_linnum = 0;
+ int lineinc = 0;
+
+ if (*outname) {
+ ofile = fopen(outname, "w");
+ if (!ofile)
+ nasm_error(ERR_FATAL | ERR_NOFILE,
+ "unable to open output file `%s'",
+ outname);
+ } else
+ ofile = NULL;
+
+ location.known = false;
+
+ /* pass = 1; */
+ preproc->reset(inname, 3, &nasmlist, depend_ptr);
+
+ while ((line = preproc->getline())) {
+ /*
+ * We generate %line directives if needed for later programs
+ */
+ int32_t linnum = prior_linnum += lineinc;
+ int altline = src_get(&linnum, &file_name);
+ if (altline) {
+ if (altline == 1 && lineinc == 1)
+ nasm_fputs("", ofile);
+ else {
+ lineinc = (altline != -1 || lineinc != 1);
+ fprintf(ofile ? ofile : stdout,
+ "%%line %"PRId32"+%d %s\n", linnum, lineinc,
+ file_name);
+ }
+ prior_linnum = linnum;
+ }
+ nasm_fputs(line, ofile);
+ nasm_free(line);
+ }
+ nasm_free(file_name);
+ preproc->cleanup(0);
+ if (ofile)
+ fclose(ofile);
+ if (ofile && terminate_after_phase)
+ remove(outname);
+ ofile = NULL;
+ }
+ break;
+
+ case op_normal:
+ {
+ /*
+ * We must call ofmt->filename _anyway_, even if the user
+ * has specified their own output file, because some
+ * formats (eg OBJ and COFF) use ofmt->filename to find out
+ * the name of the input file and then put that inside the
+ * file.
+ */
+ ofmt->filename(inname, outname);
+
+ ofile = fopen(outname, (ofmt->flags & OFMT_TEXT) ? "w" : "wb");
+ if (!ofile) {
+ nasm_error(ERR_FATAL | ERR_NOFILE,
+ "unable to open output file `%s'", outname);
+ }
+
+ /*
+ * We must call init_labels() before ofmt->init() since
+ * some object formats will want to define labels in their
+ * init routines. (eg OS/2 defines the FLAT group)
+ */
+ init_labels();
+
+ ofmt->init();
+ dfmt = ofmt->current_dfmt;
+ dfmt->init();
+
+ assemble_file(inname, depend_ptr);
+
+ if (!terminate_after_phase) {
+ ofmt->cleanup(using_debug_info);
+ cleanup_labels();
+ fflush(ofile);
+ if (ferror(ofile)) {
+ nasm_error(ERR_NONFATAL|ERR_NOFILE,
+ "write error on output file `%s'", outname);
+ }
+ }
+
+ if (ofile) {
+ fclose(ofile);
+ if (terminate_after_phase)
+ remove(outname);
+ ofile = NULL;
+ }
+ }
+ break;
+ }
+
+ if (depend_list && !terminate_after_phase)
+ emit_dependencies(depend_list);
+
+ if (want_usage)
+ usage();
+
+ raa_free(offsets);
+ saa_free(forwrefs);
+ eval_cleanup();
+ stdscan_cleanup();
+
+ return terminate_after_phase;
+}
+
+/*
+ * Get a parameter for a command line option.
+ * First arg must be in the form of e.g. -f...
+ */
+static char *get_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;
+ }
+ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
+ "option `-%c' requires an argument", p[1]);
+ return NULL;
+}
+
+/*
+ * Copy a filename
+ */
+static void copy_filename(char *dst, const char *src)
+{
+ size_t len = strlen(src);
+
+ if (len >= (size_t)FILENAME_MAX) {
+ nasm_error(ERR_FATAL | ERR_NOFILE, "file name too long");
+ return;
+ }
+ strncpy(dst, src, FILENAME_MAX);
+}
+
+/*
+ * Convert a string to Make-safe form
+ */
+static char *quote_for_make(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 '$':
+ case '#':
+ nbs = 0;
+ n += 2;
+ break;
+ case '\\':
+ nbs++;
+ n++;
+ break;
+ default:
+ nbs = 0;
+ n++;
+ break;
+ }
+ }
+
+ /* Convert N backslashes at the end of filename to 2N backslashes */
+ if (nbs)
+ n += nbs;
+
+ os = q = nasm_malloc(n);
+
+ nbs = 0;
+ for (p = str; *p; p++) {
+ switch (*p) {
+ case ' ':
+ case '\t':
+ while (nbs--)
+ *q++ = '\\';
+ *q++ = '\\';
+ *q++ = *p;
+ break;
+ case '$':
+ *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;
+ }
+ }
+ while (nbs--)
+ *q++ = '\\';
+
+ *q = '\0';
+
+ return os;
+}
+
+struct textargs {
+ const char *label;
+ int value;
+};
+
+#define OPT_PREFIX 0
+#define OPT_POSTFIX 1
+struct textargs textopts[] = {
+ {"prefix", OPT_PREFIX},
+ {"postfix", OPT_POSTFIX},
+ {NULL, 0}
+};
+
+static bool stopoptions = false;
+static bool process_arg(char *p, char *q)
+{
+ char *param;
+ int i;
+ bool advance = false;
+ bool do_warn;
+
+ if (!p || !p[0])
+ return false;
+
+ if (p[0] == '-' && !stopoptions) {
+ if (strchr("oOfpPdDiIlFXuUZwW", p[1])) {
+ /* These parameters take values */
+ if (!(param = get_param(p, q, &advance)))
+ return advance;
+ }
+
+ switch (p[1]) {
+ case 's':
+ error_file = stdout;
+ break;
+
+ case 'o': /* output file */
+ copy_filename(outname, param);
+ break;
+
+ case 'f': /* output format */
+ ofmt = ofmt_find(param);
+ if (!ofmt) {
+ nasm_error(ERR_FATAL | ERR_NOFILE | ERR_USAGE,
+ "unrecognised output format `%s' - "
+ "use -hf for a list", param);
+ }
+ break;
+
+ case 'O': /* Optimization level */
+ {
+ int opt;
+
+ if (!*param) {
+ /* Naked -O == -Ox */
+ optimizing = INT_MAX >> 1; /* Almost unlimited */
+ } else {
+ while (*param) {
+ switch (*param) {
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ opt = strtoul(param, &param, 10);
+
+ /* -O0 -> optimizing == -1, 0.98 behaviour */
+ /* -O1 -> optimizing == 0, 0.98.09 behaviour */
+ if (opt < 2)
+ optimizing = opt - 1;
+ else
+ optimizing = opt;
+ break;
+
+ case 'v':
+ case '+':
+ param++;
+ opt_verbose_info = true;
+ break;
+
+ case 'x':
+ param++;
+ optimizing = INT_MAX >> 1; /* Almost unlimited */
+ break;
+
+ default:
+ nasm_error(ERR_FATAL,
+ "unknown optimization option -O%c\n",
+ *param);
+ break;
+ }
+ }
+ }
+ break;
+ }
+
+ case 'p': /* pre-include */
+ case 'P':
+ pp_pre_include(param);
+ break;
+
+ case 'd': /* pre-define */
+ case 'D':
+ pp_pre_define(param);
+ break;
+
+ case 'u': /* un-define */
+ case 'U':
+ pp_pre_undefine(param);
+ break;
+
+ case 'i': /* include search path */
+ case 'I':
+ pp_include_path(param);
+ break;
+
+ case 'l': /* listing file */
+ copy_filename(listname, param);
+ break;
+
+ case 'Z': /* error messages file */
+ copy_filename(errname, param);
+ break;
+
+ case 'F': /* specify debug format */
+ ofmt->current_dfmt = dfmt_find(ofmt, param);
+ if (!ofmt->current_dfmt) {
+ nasm_error(ERR_FATAL | ERR_NOFILE | ERR_USAGE,
+ "unrecognized debug format `%s' for"
+ " output format `%s'",
+ param, ofmt->shortname);
+ }
+ using_debug_info = true;
+ break;
+
+ case 'X': /* specify error reporting format */
+ if (nasm_stricmp("vc", param) == 0)
+ nasm_set_verror(nasm_verror_vc);
+ else if (nasm_stricmp("gnu", param) == 0)
+ nasm_set_verror(nasm_verror_gnu);
+ else
+ nasm_error(ERR_FATAL | ERR_NOFILE | ERR_USAGE,
+ "unrecognized error reporting format `%s'",
+ param);
+ break;
+
+ case 'g':
+ using_debug_info = true;
+ break;
+
+ case 'h':
+ printf
+ ("usage: nasm [-@ response file] [-o outfile] [-f format] "
+ "[-l listfile]\n"
+ " [options...] [--] filename\n"
+ " or nasm -v for version info\n\n"
+ " -t assemble in SciTech TASM compatible mode\n"
+ " -g generate debug information in selected format\n");
+ printf
+ (" -E (or -e) preprocess only (writes output to stdout by default)\n"
+ " -a don't preprocess (assemble only)\n"
+ " -M generate Makefile dependencies on stdout\n"
+ " -MG d:o, missing files assumed generated\n"
+ " -MF <file> set Makefile dependency file\n"
+ " -MD <file> assemble and generate dependencies\n"
+ " -MT <file> dependency target name\n"
+ " -MQ <file> dependency target name (quoted)\n"
+ " -MP emit phony target\n\n"
+ " -Z<file> redirect error messages to file\n"
+ " -s redirect error messages to stdout\n\n"
+ " -F format select a debugging format\n\n"
+ " -I<path> adds a pathname to the include file path\n");
+ printf
+ (" -O<digit> optimize branch offsets\n"
+ " -O0: No optimization (default)\n"
+ " -O1: Minimal optimization\n"
+ " -Ox: Multipass optimization (recommended)\n\n"
+ " -P<file> pre-includes a file\n"
+ " -D<macro>[=<value>] pre-defines a macro\n"
+ " -U<macro> undefines a macro\n"
+ " -X<format> specifies error reporting format (gnu or vc)\n"
+ " -w+foo enables warning foo (equiv. -Wfoo)\n"
+ " -w-foo disable warning foo (equiv. -Wno-foo)\n\n"
+ "--prefix,--postfix\n"
+ " this options prepend or append the given argument to all\n"
+ " extern and global variables\n\n"
+ "Warnings:\n");
+ for (i = 0; i <= ERR_WARN_MAX; i++)
+ printf(" %-23s %s (default %s)\n",
+ warnings[i].name, warnings[i].help,
+ warnings[i].enabled ? "on" : "off");
+ printf
+ ("\nresponse files should contain command line parameters"
+ ", one per line.\n");
+ if (p[2] == 'f') {
+ printf("\nvalid output formats for -f are"
+ " (`*' denotes default):\n");
+ ofmt_list(ofmt, stdout);
+ } else {
+ printf("\nFor a list of valid output formats, use -hf.\n");
+ printf("For a list of debug formats, use -f <form> -y.\n");
+ }
+ exit(0); /* never need usage message here */
+ break;
+
+ case 'y':
+ printf("\nvalid debug formats for '%s' output format are"
+ " ('*' denotes default):\n", ofmt->shortname);
+ dfmt_list(ofmt, stdout);
+ exit(0);
+ break;
+
+ case 't':
+ tasm_compatible_mode = true;
+ break;
+
+ case 'v':
+ printf("NASM version %s compiled on %s%s\n",
+ nasm_version, nasm_date, nasm_compile_options);
+ exit(0); /* never need usage message here */
+ break;
+
+ case 'e': /* preprocess only */
+ case 'E':
+ operating_mode = op_preprocess;
+ break;
+
+ case 'a': /* assemble only - don't preprocess */
+ preproc = &no_pp;
+ break;
+
+ case 'W':
+ if (param[0] == 'n' && param[1] == 'o' && param[2] == '-') {
+ do_warn = false;
+ param += 3;
+ } else {
+ do_warn = true;
+ }
+ goto set_warning;
+
+ case 'w':
+ if (param[0] != '+' && param[0] != '-') {
+ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
+ "invalid option to `-w'");
+ break;
+ }
+ do_warn = (param[0] == '+');
+ param++;
+ goto set_warning;
+ set_warning:
+ for (i = 0; i <= ERR_WARN_MAX; i++)
+ if (!nasm_stricmp(param, warnings[i].name))
+ break;
+ if (i <= ERR_WARN_MAX)
+ warning_on_global[i] = do_warn;
+ else if (!nasm_stricmp(param, "all"))
+ for (i = 1; i <= ERR_WARN_MAX; i++)
+ warning_on_global[i] = do_warn;
+ else if (!nasm_stricmp(param, "none"))
+ for (i = 1; i <= ERR_WARN_MAX; i++)
+ warning_on_global[i] = !do_warn;
+ else
+ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
+ "invalid warning `%s'", param);
+ break;
+
+ case 'M':
+ switch (p[2]) {
+ case 0:
+ operating_mode = op_depend;
+ break;
+ case 'G':
+ operating_mode = op_depend;
+ depend_missing_ok = true;
+ break;
+ case 'P':
+ depend_emit_phony = true;
+ break;
+ case 'D':
+ depend_file = q;
+ advance = true;
+ break;
+ case 'T':
+ depend_target = q;
+ advance = true;
+ break;
+ case 'Q':
+ depend_target = quote_for_make(q);
+ advance = true;
+ break;
+ default:
+ nasm_error(ERR_NONFATAL|ERR_NOFILE|ERR_USAGE,
+ "unknown dependency option `-M%c'", p[2]);
+ break;
+ }
+ if (advance && (!q || !q[0])) {
+ nasm_error(ERR_NONFATAL|ERR_NOFILE|ERR_USAGE,
+ "option `-M%c' requires a parameter", p[2]);
+ break;
+ }
+ break;
+
+ case '-':
+ {
+ int s;
+
+ if (p[2] == 0) { /* -- => stop processing options */
+ stopoptions = 1;
+ break;
+ }
+ for (s = 0; textopts[s].label; s++) {
+ if (!nasm_stricmp(p + 2, textopts[s].label)) {
+ break;
+ }
+ }
+
+ switch (s) {
+
+ case OPT_PREFIX:
+ case OPT_POSTFIX:
+ {
+ if (!q) {
+ nasm_error(ERR_NONFATAL | ERR_NOFILE |
+ ERR_USAGE,
+ "option `--%s' requires an argument",
+ p + 2);
+ break;
+ } else {
+ advance = 1, param = q;
+ }
+
+ if (s == OPT_PREFIX) {
+ strncpy(lprefix, param, PREFIX_MAX - 1);
+ lprefix[PREFIX_MAX - 1] = 0;
+ break;
+ }
+ if (s == OPT_POSTFIX) {
+ strncpy(lpostfix, param, POSTFIX_MAX - 1);
+ lpostfix[POSTFIX_MAX - 1] = 0;
+ break;
+ }
+ break;
+ }
+ default:
+ {
+ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
+ "unrecognised option `--%s'", p + 2);
+ break;
+ }
+ }
+ break;
+ }
+
+ default:
+ if (!ofmt->setinfo(GI_SWITCH, &p))
+ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
+ "unrecognised option `-%c'", p[1]);
+ break;
+ }
+ } else {
+ if (*inname) {
+ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
+ "more than one input file specified");
+ } else {
+ copy_filename(inname, p);
+ }
+ }
+
+ return advance;
+}
+
+#define ARG_BUF_DELTA 128
+
+static void process_respfile(FILE * rfile)
+{
+ char *buffer, *p, *q, *prevarg;
+ int bufsize, prevargsize;
+
+ bufsize = prevargsize = ARG_BUF_DELTA;
+ buffer = nasm_malloc(ARG_BUF_DELTA);
+ prevarg = nasm_malloc(ARG_BUF_DELTA);
+ prevarg[0] = '\0';
+
+ while (1) { /* Loop to handle all lines in file */
+ p = buffer;
+ while (1) { /* Loop to handle long lines */
+ q = fgets(p, bufsize - (p - buffer), rfile);
+ if (!q)
+ break;
+ p += strlen(p);
+ if (p > buffer && p[-1] == '\n')
+ break;
+ if (p - buffer > bufsize - 10) {
+ int offset;
+ offset = p - buffer;
+ bufsize += ARG_BUF_DELTA;
+ buffer = nasm_realloc(buffer, bufsize);
+ p = buffer + offset;
+ }
+ }
+
+ if (!q && p == buffer) {
+ if (prevarg[0])
+ process_arg(prevarg, NULL);
+ nasm_free(buffer);
+ nasm_free(prevarg);
+ return;
+ }
+
+ /*
+ * Play safe: remove CRs, LFs and any spurious ^Zs, if any of
+ * them are present at the end of the line.
+ */
+ *(p = &buffer[strcspn(buffer, "\r\n\032")]) = '\0';
+
+ while (p > buffer && nasm_isspace(p[-1]))
+ *--p = '\0';
+
+ p = nasm_skip_spaces(buffer);
+
+ if (process_arg(prevarg, p))
+ *p = '\0';
+
+ if ((int) strlen(p) > prevargsize - 10) {
+ prevargsize += ARG_BUF_DELTA;
+ prevarg = nasm_realloc(prevarg, prevargsize);
+ }
+ strncpy(prevarg, p, prevargsize);
+ }
+}
+
+/* Function to process args from a string of args, rather than the
+ * argv array. Used by the environment variable and response file
+ * processing.
+ */
+static void process_args(char *args)
+{
+ char *p, *q, *arg, *prevarg;
+ char separator = ' ';
+
+ p = args;
+ if (*p && *p != '-')
+ separator = *p++;
+ arg = NULL;
+ while (*p) {
+ q = p;
+ while (*p && *p != separator)
+ p++;
+ while (*p == separator)
+ *p++ = '\0';
+ prevarg = arg;
+ arg = q;
+ if (process_arg(prevarg, arg))
+ arg = NULL;
+ }
+ if (arg)
+ process_arg(arg, NULL);
+}
+
+static void process_response_file(const char *file)
+{
+ char str[2048];
+ FILE *f = fopen(file, "r");
+ if (!f) {
+ perror(file);
+ exit(-1);
+ }
+ while (fgets(str, sizeof str, f)) {
+ process_args(str);
+ }
+ fclose(f);
+}
+
+static void parse_cmdline(int argc, char **argv)
+{
+ FILE *rfile;
+ char *envreal, *envcopy = NULL, *p, *arg;
+ int i;
+
+ *inname = *outname = *listname = *errname = '\0';
+ for (i = 0; i <= ERR_WARN_MAX; i++)
+ warning_on_global[i] = warnings[i].enabled;
+
+ /*
+ * First, process the NASMENV environment variable.
+ */
+ envreal = getenv("NASMENV");
+ arg = NULL;
+ if (envreal) {
+ envcopy = nasm_strdup(envreal);
+ process_args(envcopy);
+ nasm_free(envcopy);
+ }
+
+ /*
+ * Now process the actual command line.
+ */
+ while (--argc) {
+ bool advance;
+ argv++;
+ if (argv[0][0] == '@') {
+ /* We have a response file, so process this as a set of
+ * arguments like the environment variable. This allows us
+ * to have multiple arguments on a single line, which is
+ * different to the -@resp file processing below for regular
+ * NASM.
+ */
+ process_response_file(argv[0]+1);
+ argc--;
+ argv++;
+ }
+ if (!stopoptions && argv[0][0] == '-' && argv[0][1] == '@') {
+ p = get_param(argv[0], argc > 1 ? argv[1] : NULL, &advance);
+ if (p) {
+ rfile = fopen(p, "r");
+ if (rfile) {
+ process_respfile(rfile);
+ fclose(rfile);
+ } else
+ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
+ "unable to open response file `%s'", p);
+ }
+ } else
+ advance = process_arg(argv[0], argc > 1 ? argv[1] : NULL);
+ argv += advance, argc -= advance;
+ }
+
+ /* Look for basic command line typos. This definitely doesn't
+ catch all errors, but it might help cases of fumbled fingers. */
+ if (!*inname)
+ nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
+ "no input file specified");
+ else if (!strcmp(inname, errname) ||
+ !strcmp(inname, outname) ||
+ !strcmp(inname, listname) ||
+ (depend_file && !strcmp(inname, depend_file)))
+ nasm_error(ERR_FATAL | ERR_NOFILE | ERR_USAGE,
+ "file `%s' is both input and output file",
+ inname);
+
+ if (*errname) {
+ error_file = fopen(errname, "w");
+ if (!error_file) {
+ error_file = stderr; /* Revert to default! */
+ nasm_error(ERR_FATAL | ERR_NOFILE | ERR_USAGE,
+ "cannot open file `%s' for error messages",
+ errname);
+ }
+ }
+}
+
+static enum directives getkw(char **directive, char **value);
+
+static void assemble_file(char *fname, StrList **depend_ptr)
+{
+ char *directive, *value, *p, *q, *special, *line;
+ insn output_ins;
+ int i, validid;
+ bool rn_error;
+ int32_t seg;
+ int64_t offs;
+ struct tokenval tokval;
+ expr *e;
+ int pass_max;
+
+ if (cmd_sb == 32 && cmd_cpu < IF_386)
+ nasm_error(ERR_FATAL, "command line: "
+ "32-bit segment size requires a higher cpu");
+
+ pass_max = prev_offset_changed = (INT_MAX >> 1) + 2; /* Almost unlimited */
+ for (passn = 1; pass0 <= 2; passn++) {
+ int pass1, pass2;
+ ldfunc def_label;
+
+ pass1 = pass0 == 2 ? 2 : 1; /* 1, 1, 1, ..., 1, 2 */
+ pass2 = passn > 1 ? 2 : 1; /* 1, 2, 2, ..., 2, 2 */
+ /* pass0 0, 0, 0, ..., 1, 2 */
+
+ def_label = passn > 1 ? redefine_label : define_label;
+
+ globalbits = sb = cmd_sb; /* set 'bits' to command line default */
+ cpu = cmd_cpu;
+ if (pass0 == 2) {
+ if (*listname)
+ nasmlist.init(listname, nasm_error);
+ }
+ in_abs_seg = false;
+ global_offset_changed = 0; /* set by redefine_label */
+ location.segment = ofmt->section(NULL, pass2, &sb);
+ globalbits = sb;
+ if (passn > 1) {
+ saa_rewind(forwrefs);
+ forwref = saa_rstruct(forwrefs);
+ raa_free(offsets);
+ offsets = raa_init();
+ }
+ preproc->reset(fname, pass1, &nasmlist,
+ pass1 == 2 ? depend_ptr : NULL);
+ memcpy(warning_on, warning_on_global, (ERR_WARN_MAX+1) * sizeof(bool));
+
+ globallineno = 0;
+ if (passn == 1)
+ location.known = true;
+ location.offset = offs = GET_CURR_OFFS;
+
+ while ((line = preproc->getline())) {
+ enum directives d;
+ globallineno++;
+
+ /*
+ * Here we parse our directives; this is not handled by the
+ * 'real' parser. This really should be a separate function.
+ */
+ directive = line;
+ d = getkw(&directive, &value);
+ if (d) {
+ int err = 0;
+
+ switch (d) {
+ case D_SEGMENT: /* [SEGMENT n] */
+ case D_SECTION:
+ seg = ofmt->section(value, pass2, &sb);
+ if (seg == NO_SEG) {
+ nasm_error(pass1 == 1 ? ERR_NONFATAL : ERR_PANIC,
+ "segment name `%s' not recognized",
+ value);
+ } else {
+ in_abs_seg = false;
+ location.segment = seg;
+ }
+ break;
+ case D_EXTERN: /* [EXTERN label:special] */
+ if (*value == '$')
+ value++; /* skip initial $ if present */
+ if (pass0 == 2) {
+ q = value;
+ while (*q && *q != ':')
+ q++;
+ if (*q == ':') {
+ *q++ = '\0';
+ ofmt->symdef(value, 0L, 0L, 3, q);
+ }
+ } else if (passn == 1) {
+ q = value;
+ validid = true;
+ if (!isidstart(*q))
+ validid = false;
+ while (*q && *q != ':') {
+ if (!isidchar(*q))
+ validid = false;
+ q++;
+ }
+ if (!validid) {
+ nasm_error(ERR_NONFATAL,
+ "identifier expected after EXTERN");
+ break;
+ }
+ if (*q == ':') {
+ *q++ = '\0';
+ special = q;
+ } else
+ special = NULL;
+ if (!is_extern(value)) { /* allow re-EXTERN to be ignored */
+ int temp = pass0;
+ pass0 = 1; /* fake pass 1 in labels.c */
+ declare_as_global(value, special);
+ define_label(value, seg_alloc(), 0L, NULL,
+ false, true);
+ pass0 = temp;
+ }
+ } /* else pass0 == 1 */
+ break;
+ case D_BITS: /* [BITS bits] */
+ globalbits = sb = get_bits(value);
+ break;
+ case D_GLOBAL: /* [GLOBAL symbol:special] */
+ if (*value == '$')
+ value++; /* skip initial $ if present */
+ if (pass0 == 2) { /* pass 2 */
+ q = value;
+ while (*q && *q != ':')
+ q++;
+ if (*q == ':') {
+ *q++ = '\0';
+ ofmt->symdef(value, 0L, 0L, 3, q);
+ }
+ } else if (pass2 == 1) { /* pass == 1 */
+ q = value;
+ validid = true;
+ if (!isidstart(*q))
+ validid = false;
+ while (*q && *q != ':') {
+ if (!isidchar(*q))
+ validid = false;
+ q++;
+ }
+ if (!validid) {
+ nasm_error(ERR_NONFATAL,
+ "identifier expected after GLOBAL");
+ break;
+ }
+ if (*q == ':') {
+ *q++ = '\0';
+ special = q;
+ } else
+ special = NULL;
+ declare_as_global(value, special);
+ } /* pass == 1 */
+ break;
+ case D_COMMON: /* [COMMON symbol size:special] */
+ {
+ int64_t size;
+
+ if (*value == '$')
+ value++; /* skip initial $ if present */
+ p = value;
+ validid = true;
+ if (!isidstart(*p))
+ validid = false;
+ while (*p && !nasm_isspace(*p)) {
+ if (!isidchar(*p))
+ validid = false;
+ p++;
+ }
+ if (!validid) {
+ nasm_error(ERR_NONFATAL,
+ "identifier expected after COMMON");
+ break;
+ }
+ if (*p) {
+ p = nasm_zap_spaces_fwd(p);
+ q = p;
+ while (*q && *q != ':')
+ q++;
+ if (*q == ':') {
+ *q++ = '\0';
+ special = q;
+ } else {
+ special = NULL;
+ }
+ size = readnum(p, &rn_error);
+ if (rn_error) {
+ nasm_error(ERR_NONFATAL,
+ "invalid size specified"
+ " in COMMON declaration");
+ break;
+ }
+ } else {
+ nasm_error(ERR_NONFATAL,
+ "no size specified in"
+ " COMMON declaration");
+ break;
+ }
+
+ if (pass0 < 2) {
+ define_common(value, seg_alloc(), size, special);
+ } else if (pass0 == 2) {
+ if (special)
+ ofmt->symdef(value, 0L, 0L, 3, special);
+ }
+ break;
+ }
+ case D_ABSOLUTE: /* [ABSOLUTE address] */
+ stdscan_reset();
+ stdscan_set(value);
+ tokval.t_type = TOKEN_INVALID;
+ e = evaluate(stdscan, NULL, &tokval, NULL, pass2,
+ nasm_error, NULL);
+ if (e) {
+ if (!is_reloc(e))
+ nasm_error(pass0 ==
+ 1 ? ERR_NONFATAL : ERR_PANIC,
+ "cannot use non-relocatable expression as "
+ "ABSOLUTE address");
+ else {
+ abs_seg = reloc_seg(e);
+ abs_offset = reloc_value(e);
+ }
+ } else if (passn == 1)
+ abs_offset = 0x100; /* don't go near zero in case of / */
+ else
+ nasm_error(ERR_PANIC, "invalid ABSOLUTE address "
+ "in pass two");
+ in_abs_seg = true;
+ location.segment = NO_SEG;
+ break;
+ case D_DEBUG: /* [DEBUG] */
+ {
+ char debugid[128];
+ bool badid, overlong;
+
+ p = value;
+ q = debugid;
+ badid = overlong = false;
+ if (!isidstart(*p)) {
+ badid = true;
+ } else {
+ while (*p && !nasm_isspace(*p)) {
+ if (q >= debugid + sizeof debugid - 1) {
+ overlong = true;
+ break;
+ }
+ if (!isidchar(*p))
+ badid = true;
+ *q++ = *p++;
+ }
+ *q = 0;
+ }
+ if (badid) {
+ nasm_error(passn == 1 ? ERR_NONFATAL : ERR_PANIC,
+ "identifier expected after DEBUG");
+ break;
+ }
+ if (overlong) {
+ nasm_error(passn == 1 ? ERR_NONFATAL : ERR_PANIC,
+ "DEBUG identifier too long");
+ break;
+ }
+ p = nasm_skip_spaces(p);
+ if (pass0 == 2)
+ dfmt->debug_directive(debugid, p);
+ break;
+ }
+ case D_WARNING: /* [WARNING {+|-|*}warn-name] */
+ value = nasm_skip_spaces(value);
+ switch(*value) {
+ case '-': validid = 0; value++; break;
+ case '+': validid = 1; value++; break;
+ case '*': validid = 2; value++; break;
+ default: validid = 1; break;
+ }
+
+ for (i = 1; i <= ERR_WARN_MAX; i++)
+ if (!nasm_stricmp(value, warnings[i].name))
+ break;
+ if (i <= ERR_WARN_MAX) {
+ switch(validid) {
+ case 0:
+ warning_on[i] = false;
+ break;
+ case 1:
+ warning_on[i] = true;
+ break;
+ case 2:
+ warning_on[i] = warning_on_global[i];
+ break;
+ }
+ }
+ else
+ nasm_error(ERR_NONFATAL,
+ "invalid warning id in WARNING directive");
+ break;
+ case D_CPU: /* [CPU] */
+ cpu = get_cpu(value);
+ break;
+ case D_LIST: /* [LIST {+|-}] */
+ value = nasm_skip_spaces(value);
+ if (*value == '+') {
+ user_nolist = 0;
+ } else {
+ if (*value == '-') {
+ user_nolist = 1;
+ } else {
+ err = 1;
+ }
+ }
+ break;
+ case D_DEFAULT: /* [DEFAULT] */
+ stdscan_reset();
+ stdscan_set(value);
+ tokval.t_type = TOKEN_INVALID;
+ if (stdscan(NULL, &tokval) == TOKEN_SPECIAL) {
+ switch ((int)tokval.t_integer) {
+ case S_REL:
+ globalrel = 1;
+ break;
+ case S_ABS:
+ globalrel = 0;
+ break;
+ default:
+ err = 1;
+ break;
+ }
+ } else {
+ err = 1;
+ }
+ break;
+ case D_FLOAT:
+ if (float_option(value)) {
+ nasm_error(pass1 == 1 ? ERR_NONFATAL : ERR_PANIC,
+ "unknown 'float' directive: %s",
+ value);
+ }
+ break;
+ default:
+ if (!d || !ofmt->directive(d, value, pass2))
+ nasm_error(pass1 == 1 ? ERR_NONFATAL : ERR_PANIC,
+ "unrecognised directive [%s]",
+ directive);
+ break;
+ }
+ if (err) {
+ nasm_error(ERR_NONFATAL,
+ "invalid parameter to [%s] directive",
+ directive);
+ }
+ } else { /* it isn't a directive */
+ parse_line(pass1, line, &output_ins, def_label);
+
+ if (optimizing > 0) {
+ if (forwref != NULL && globallineno == forwref->lineno) {
+ output_ins.forw_ref = true;
+ do {
+ output_ins.oprs[forwref->operand].opflags |= OPFLAG_FORWARD;
+ forwref = saa_rstruct(forwrefs);
+ } while (forwref != NULL
+ && forwref->lineno == globallineno);
+ } else
+ output_ins.forw_ref = false;
+
+ if (output_ins.forw_ref) {
+ if (passn == 1) {
+ for (i = 0; i < output_ins.operands; i++) {
+ if (output_ins.oprs[i].opflags & OPFLAG_FORWARD) {
+ struct forwrefinfo *fwinf =
+ (struct forwrefinfo *)
+ saa_wstruct(forwrefs);
+ fwinf->lineno = globallineno;
+ fwinf->operand = i;
+ }
+ }
+ }
+ }
+ }
+
+ /* forw_ref */
+ if (output_ins.opcode == I_EQU) {
+ if (pass1 == 1) {
+ /*
+ * Special `..' EQUs get processed in pass two,
+ * except `..@' macro-processor EQUs which are done
+ * in the normal place.
+ */
+ if (!output_ins.label)
+ nasm_error(ERR_NONFATAL,
+ "EQU not preceded by label");
+
+ else if (output_ins.label[0] != '.' ||
+ output_ins.label[1] != '.' ||
+ output_ins.label[2] == '@') {
+ if (output_ins.operands == 1 &&
+ (output_ins.oprs[0].type & IMMEDIATE) &&
+ output_ins.oprs[0].wrt == NO_SEG) {
+ bool isext = !!(output_ins.oprs[0].opflags
+ & OPFLAG_EXTERN);
+ def_label(output_ins.label,
+ output_ins.oprs[0].segment,
+ output_ins.oprs[0].offset, NULL,
+ false, isext);
+ } else if (output_ins.operands == 2
+ && (output_ins.oprs[0].type & IMMEDIATE)
+ && (output_ins.oprs[0].type & COLON)
+ && output_ins.oprs[0].segment == NO_SEG
+ && output_ins.oprs[0].wrt == NO_SEG
+ && (output_ins.oprs[1].type & IMMEDIATE)
+ && output_ins.oprs[1].segment == NO_SEG
+ && output_ins.oprs[1].wrt == NO_SEG) {
+ def_label(output_ins.label,
+ output_ins.oprs[0].offset | SEG_ABS,
+ output_ins.oprs[1].offset,
+ NULL, false, false);
+ } else
+ nasm_error(ERR_NONFATAL,
+ "bad syntax for EQU");
+ }
+ } else {
+ /*
+ * Special `..' EQUs get processed here, except
+ * `..@' macro processor EQUs which are done above.
+ */
+ if (output_ins.label[0] == '.' &&
+ output_ins.label[1] == '.' &&
+ output_ins.label[2] != '@') {
+ if (output_ins.operands == 1 &&
+ (output_ins.oprs[0].type & IMMEDIATE)) {
+ define_label(output_ins.label,
+ output_ins.oprs[0].segment,
+ output_ins.oprs[0].offset,
+ NULL, false, false);
+ } else if (output_ins.operands == 2
+ && (output_ins.oprs[0].type & IMMEDIATE)
+ && (output_ins.oprs[0].type & COLON)
+ && output_ins.oprs[0].segment == NO_SEG
+ && (output_ins.oprs[1].type & IMMEDIATE)
+ && output_ins.oprs[1].segment == NO_SEG) {
+ define_label(output_ins.label,
+ output_ins.oprs[0].offset | SEG_ABS,
+ output_ins.oprs[1].offset,
+ NULL, false, false);
+ } else
+ nasm_error(ERR_NONFATAL,
+ "bad syntax for EQU");
+ }
+ }
+ } else { /* instruction isn't an EQU */
+
+ if (pass1 == 1) {
+
+ int64_t l = insn_size(location.segment, offs, sb, cpu,
+ &output_ins, nasm_error);
+
+ /* if (using_debug_info) && output_ins.opcode != -1) */
+ if (using_debug_info)
+ { /* fbk 03/25/01 */
+ /* this is done here so we can do debug type info */
+ int32_t typeinfo =
+ TYS_ELEMENTS(output_ins.operands);
+ switch (output_ins.opcode) {
+ case I_RESB:
+ typeinfo =
+ TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_BYTE;
+ break;
+ case I_RESW:
+ typeinfo =
+ TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_WORD;
+ break;
+ case I_RESD:
+ typeinfo =
+ TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_DWORD;
+ break;
+ case I_RESQ:
+ typeinfo =
+ TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_QWORD;
+ break;
+ case I_REST:
+ typeinfo =
+ TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_TBYTE;
+ break;
+ case I_RESO:
+ typeinfo =
+ TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_OWORD;
+ break;
+ case I_RESY:
+ typeinfo =
+ TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_YWORD;
+ break;
+ case I_DB:
+ typeinfo |= TY_BYTE;
+ break;
+ case I_DW:
+ typeinfo |= TY_WORD;
+ break;
+ case I_DD:
+ if (output_ins.eops_float)
+ typeinfo |= TY_FLOAT;
+ else
+ typeinfo |= TY_DWORD;
+ break;
+ case I_DQ:
+ typeinfo |= TY_QWORD;
+ break;
+ case I_DT:
+ typeinfo |= TY_TBYTE;
+ break;
+ case I_DO:
+ typeinfo |= TY_OWORD;
+ break;
+ case I_DY:
+ typeinfo |= TY_YWORD;
+ break;
+ default:
+ typeinfo = TY_LABEL;
+
+ }
+
+ dfmt->debug_typevalue(typeinfo);
+ }
+ if (l != -1) {
+ offs += l;
+ SET_CURR_OFFS(offs);
+ }
+ /*
+ * else l == -1 => invalid instruction, which will be
+ * flagged as an error on pass 2
+ */
+
+ } else {
+ offs += assemble(location.segment, offs, sb, cpu,
+ &output_ins, ofmt, nasm_error,
+ &nasmlist);
+ SET_CURR_OFFS(offs);
+
+ }
+ } /* not an EQU */
+ cleanup_insn(&output_ins);
+ }
+ nasm_free(line);
+ location.offset = offs = GET_CURR_OFFS;
+ } /* end while (line = preproc->getline... */
+
+ if (pass0 == 2 && global_offset_changed && !terminate_after_phase)
+ nasm_error(ERR_NONFATAL,
+ "phase error detected at end of assembly.");
+
+ if (pass1 == 1)
+ preproc->cleanup(1);
+
+ if ((passn > 1 && !global_offset_changed) || pass0 == 2) {
+ pass0++;
+ } else if (global_offset_changed &&
+ global_offset_changed < prev_offset_changed) {
+ prev_offset_changed = global_offset_changed;
+ stall_count = 0;
+ } else {
+ stall_count++;
+ }
+
+ if (terminate_after_phase)
+ break;
+
+ if ((stall_count > 997) || (passn >= pass_max)) {
+ /* We get here if the labels don't converge
+ * Example: FOO equ FOO + 1
+ */
+ nasm_error(ERR_NONFATAL,
+ "Can't find valid values for all labels "
+ "after %d passes, giving up.", passn);
+ nasm_error(ERR_NONFATAL,
+ "Possible causes: recursive EQUs, macro abuse.");
+ break;
+ }
+ }
+
+ preproc->cleanup(0);
+ nasmlist.cleanup();
+ if (!terminate_after_phase && opt_verbose_info) {
+ /* -On and -Ov switches */
+ fprintf(stdout, "info: assembly required 1+%d+1 passes\n", passn-3);
+ }
+}
+
+static enum directives getkw(char **directive, char **value)
+{
+ char *p, *q, *buf;
+
+ buf = nasm_skip_spaces(*directive);
+
+ /* it should be enclosed in [ ] */
+ if (*buf != '[')
+ return D_NONE;
+ q = strchr(buf, ']');
+ if (!q)
+ return D_NONE;
+
+ /* stip off the comments */
+ p = strchr(buf, ';');
+ if (p) {
+ if (p < q) /* ouch! somwhere inside */
+ return D_NONE;
+ *p = '\0';
+ }
+
+ /* no brace, no trailing spaces */
+ *q = '\0';
+ nasm_zap_spaces_rev(--q);
+
+ /* directive */
+ p = nasm_skip_spaces(++buf);
+ q = nasm_skip_word(p);
+ if (!q)
+ return D_NONE; /* sigh... no value there */
+ *q = '\0';
+ *directive = p;
+
+ /* and value finally */
+ p = nasm_skip_spaces(++q);
+ *value = p;
+
+ return find_directive(*directive);
+}
+
+/**
+ * gnu style error reporting
+ * This function prints an error message to error_file in the
+ * style used by GNU. An example would be:
+ * file.asm:50: error: blah blah blah
+ * where file.asm is the name of the file, 50 is the line number on
+ * which the error occurs (or is detected) and "error:" is one of
+ * the possible optional diagnostics -- it can be "error" or "warning"
+ * or something else. Finally the line terminates with the actual
+ * error message.
+ *
+ * @param severity the severity of the warning or error
+ * @param fmt the printf style format string
+ */
+static void nasm_verror_gnu(int severity, const char *fmt, va_list ap)
+{
+ char *currentfile = NULL;
+ int32_t lineno = 0;
+
+ if (is_suppressed_warning(severity))
+ return;
+
+ if (!(severity & ERR_NOFILE))
+ src_get(&lineno, &currentfile);
+
+ if (currentfile) {
+ fprintf(error_file, "%s:%"PRId32": ", currentfile, lineno);
+ nasm_free(currentfile);
+ } else {
+ fputs("nasm: ", error_file);
+ }
+
+ nasm_verror_common(severity, fmt, ap);
+}
+
+/**
+ * MS style error reporting
+ * This function prints an error message to error_file in the
+ * style used by Visual C and some other Microsoft tools. An example
+ * would be:
+ * file.asm(50) : error: blah blah blah
+ * where file.asm is the name of the file, 50 is the line number on
+ * which the error occurs (or is detected) and "error:" is one of
+ * the possible optional diagnostics -- it can be "error" or "warning"
+ * or something else. Finally the line terminates with the actual
+ * error message.
+ *
+ * @param severity the severity of the warning or error
+ * @param fmt the printf style format string
+ */
+static void nasm_verror_vc(int severity, const char *fmt, va_list ap)
+{
+ char *currentfile = NULL;
+ int32_t lineno = 0;
+
+ if (is_suppressed_warning(severity))
+ return;
+
+ if (!(severity & ERR_NOFILE))
+ src_get(&lineno, &currentfile);
+
+ if (currentfile) {
+ fprintf(error_file, "%s(%"PRId32") : ", currentfile, lineno);
+ nasm_free(currentfile);
+ } else {
+ fputs("nasm: ", error_file);
+ }
+
+ nasm_verror_common(severity, fmt, ap);
+}
+
+/**
+ * check for supressed warning
+ * checks for suppressed warning or pass one only warning and we're
+ * not in pass 1
+ *
+ * @param severity the severity of the warning or error
+ * @return true if we should abort error/warning printing
+ */
+static bool is_suppressed_warning(int severity)
+{
+ /*
+ * See if it's a suppressed warning.
+ */
+ return (severity & ERR_MASK) == ERR_WARNING &&
+ (((severity & ERR_WARN_MASK) != 0 &&
+ !warning_on[(severity & ERR_WARN_MASK) >> ERR_WARN_SHR]) ||
+ /* See if it's a pass-one only warning and we're not in pass one. */
+ ((severity & ERR_PASS1) && pass0 != 1) ||
+ ((severity & ERR_PASS2) && pass0 != 2));
+}
+
+/**
+ * common error reporting
+ * This is the common back end of the error reporting schemes currently
+ * implemented. It prints the nature of the warning and then the
+ * specific error message to error_file and may or may not return. It
+ * doesn't return if the error severity is a "panic" or "debug" type.
+ *
+ * @param severity the severity of the warning or error
+ * @param fmt the printf style format string
+ */
+static void nasm_verror_common(int severity, const char *fmt, va_list args)
+{
+ char msg[1024];
+ const char *pfx;
+
+ switch (severity & (ERR_MASK|ERR_NO_SEVERITY)) {
+ case ERR_WARNING:
+ pfx = "warning: ";
+ break;
+ case ERR_NONFATAL:
+ pfx = "error: ";
+ break;
+ case ERR_FATAL:
+ pfx = "fatal: ";
+ break;
+ case ERR_PANIC:
+ pfx = "panic: ";
+ break;
+ case ERR_DEBUG:
+ pfx = "debug: ";
+ break;
+ default:
+ pfx = "";
+ break;
+ }
+
+ vsnprintf(msg, sizeof msg, fmt, args);
+
+ fprintf(error_file, "%s%s\n", pfx, msg);
+
+ if (*listname)
+ nasmlist.error(severity, pfx, msg);
+
+ if (severity & ERR_USAGE)
+ want_usage = true;
+
+ switch (severity & ERR_MASK) {
+ case ERR_DEBUG:
+ /* no further action, by definition */
+ break;
+ case ERR_WARNING:
+ if (warning_on[0]) /* Treat warnings as errors */
+ terminate_after_phase = true;
+ break;
+ case ERR_NONFATAL:
+ terminate_after_phase = true;
+ break;
+ case ERR_FATAL:
+ if (ofile) {
+ fclose(ofile);
+ remove(outname);
+ ofile = NULL;
+ }
+ if (want_usage)
+ usage();
+ exit(1); /* instantly die */
+ break; /* placate silly compilers */
+ case ERR_PANIC:
+ fflush(NULL);
+ /* abort(); *//* halt, catch fire, and dump core */
+ exit(3);
+ break;
+ }
+}
+
+static void usage(void)
+{
+ fputs("type `nasm -h' for help\n", error_file);
+}
+
+#define BUF_DELTA 512
+
+static FILE *no_pp_fp;
+static ListGen *no_pp_list;
+static int32_t no_pp_lineinc;
+
+static void no_pp_reset(char *file, int pass, ListGen * listgen,
+ StrList **deplist)
+{
+ src_set_fname(nasm_strdup(file));
+ src_set_linnum(0);
+ no_pp_lineinc = 1;
+ no_pp_fp = fopen(file, "r");
+ if (!no_pp_fp)
+ nasm_error(ERR_FATAL | ERR_NOFILE,
+ "unable to open input file `%s'", file);
+ no_pp_list = listgen;
+ (void)pass; /* placate compilers */
+
+ if (deplist) {
+ StrList *sl = nasm_malloc(strlen(file)+1+sizeof sl->next);
+ sl->next = NULL;
+ strcpy(sl->str, file);
+ *deplist = sl;
+ }
+}
+
+static char *no_pp_getline(void)
+{
+ char *buffer, *p, *q;
+ int bufsize;
+
+ bufsize = BUF_DELTA;
+ buffer = nasm_malloc(BUF_DELTA);
+ src_set_linnum(src_get_linnum() + no_pp_lineinc);
+
+ while (1) { /* Loop to handle %line */
+
+ p = buffer;
+ while (1) { /* Loop to handle long lines */
+ q = fgets(p, bufsize - (p - buffer), no_pp_fp);
+ if (!q)
+ break;
+ p += strlen(p);
+ if (p > buffer && p[-1] == '\n')
+ break;
+ if (p - buffer > bufsize - 10) {
+ int offset;
+ offset = p - buffer;
+ bufsize += BUF_DELTA;
+ buffer = nasm_realloc(buffer, bufsize);
+ p = buffer + offset;
+ }
+ }
+
+ if (!q && p == buffer) {
+ nasm_free(buffer);
+ return NULL;
+ }
+
+ /*
+ * Play safe: remove CRs, LFs and any spurious ^Zs, if any of
+ * them are present at the end of the line.
+ */
+ buffer[strcspn(buffer, "\r\n\032")] = '\0';
+
+ if (!nasm_strnicmp(buffer, "%line", 5)) {
+ int32_t ln;
+ int li;
+ char *nm = nasm_malloc(strlen(buffer));
+ if (sscanf(buffer + 5, "%"PRId32"+%d %s", &ln, &li, nm) == 3) {
+ nasm_free(src_set_fname(nm));
+ src_set_linnum(ln);
+ no_pp_lineinc = li;
+ continue;
+ }
+ nasm_free(nm);
+ }
+ break;
+ }
+
+ no_pp_list->line(LIST_READ, buffer);
+
+ return buffer;
+}
+
+static void no_pp_cleanup(int pass)
+{
+ (void)pass; /* placate GCC */
+ fclose(no_pp_fp);
+}
+
+static uint32_t get_cpu(char *value)
+{
+ if (!strcmp(value, "8086"))
+ return IF_8086;
+ if (!strcmp(value, "186"))
+ return IF_186;
+ if (!strcmp(value, "286"))
+ return IF_286;
+ if (!strcmp(value, "386"))
+ return IF_386;
+ if (!strcmp(value, "486"))
+ return IF_486;
+ if (!strcmp(value, "586") || !nasm_stricmp(value, "pentium"))
+ return IF_PENT;
+ if (!strcmp(value, "686") ||
+ !nasm_stricmp(value, "ppro") ||
+ !nasm_stricmp(value, "pentiumpro") || !nasm_stricmp(value, "p2"))
+ return IF_P6;
+ if (!nasm_stricmp(value, "p3") || !nasm_stricmp(value, "katmai"))
+ return IF_KATMAI;
+ if (!nasm_stricmp(value, "p4") || /* is this right? -- jrc */
+ !nasm_stricmp(value, "willamette"))
+ return IF_WILLAMETTE;
+ if (!nasm_stricmp(value, "prescott"))
+ return IF_PRESCOTT;
+ if (!nasm_stricmp(value, "x64") ||
+ !nasm_stricmp(value, "x86-64"))
+ return IF_X86_64;
+ if (!nasm_stricmp(value, "ia64") ||
+ !nasm_stricmp(value, "ia-64") ||
+ !nasm_stricmp(value, "itanium") ||
+ !nasm_stricmp(value, "itanic") || !nasm_stricmp(value, "merced"))
+ return IF_IA64;
+
+ nasm_error(pass0 < 2 ? ERR_NONFATAL : ERR_FATAL,
+ "unknown 'cpu' type");
+
+ return IF_PLEVEL; /* the maximum level */
+}
+
+static int get_bits(char *value)
+{
+ int i;
+
+ if ((i = atoi(value)) == 16)
+ return i; /* set for a 16-bit segment */
+ else if (i == 32) {
+ if (cpu < IF_386) {
+ nasm_error(ERR_NONFATAL,
+ "cannot specify 32-bit segment on processor below a 386");
+ i = 16;
+ }
+ } else if (i == 64) {
+ if (cpu < IF_X86_64) {
+ nasm_error(ERR_NONFATAL,
+ "cannot specify 64-bit segment on processor below an x86-64");
+ i = 16;
+ }
+ if (i != maxbits) {
+ nasm_error(ERR_NONFATAL,
+ "%s output format does not support 64-bit code",
+ ofmt->shortname);
+ i = 16;
+ }
+ } else {
+ nasm_error(pass0 < 2 ? ERR_NONFATAL : ERR_FATAL,
+ "`%s' is not a valid segment size; must be 16, 32 or 64",
+ value);
+ i = 16;
+ }
+ return i;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 16:48:28 +0000