mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-12-21 09:19:31 +08:00
c805fd774d
Fix the parsing of long options (arguments with = broke things.) Actually issue a warning if we specify a wrong limit on the command line. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
1978 lines
59 KiB
C
1978 lines
59 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2018 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* The Netwide Assembler main program module
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*/
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#include "compiler.h"
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <limits.h>
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#include "nasm.h"
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#include "nasmlib.h"
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#include "error.h"
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#include "saa.h"
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#include "raa.h"
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#include "float.h"
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#include "stdscan.h"
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#include "insns.h"
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#include "preproc.h"
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#include "parser.h"
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#include "eval.h"
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#include "assemble.h"
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#include "labels.h"
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#include "outform.h"
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#include "listing.h"
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#include "iflag.h"
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#include "ver.h"
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/*
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* This is the maximum number of optimization passes to do. If we ever
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* find a case where the optimizer doesn't naturally converge, we might
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* have to drop this value so the assembler doesn't appear to just hang.
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*/
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#define MAX_OPTIMIZE (INT_MAX >> 1)
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struct forwrefinfo { /* info held on forward refs. */
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int lineno;
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int operand;
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};
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static void parse_cmdline(int, char **, int);
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static void assemble_file(const char *, StrList **);
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static bool is_suppressed_warning(int severity);
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static bool skip_this_pass(int severity);
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static void nasm_verror_gnu(int severity, const char *fmt, va_list args);
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static void nasm_verror_vc(int severity, const char *fmt, va_list args);
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static void nasm_verror_common(int severity, const char *fmt, va_list args);
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static void usage(void);
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static void help(char xopt);
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static bool using_debug_info, opt_verbose_info;
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static const char *debug_format;
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#ifndef ABORT_ON_PANIC
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# define ABORT_ON_PANIC 0
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#endif
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static bool abort_on_panic = ABORT_ON_PANIC;
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bool tasm_compatible_mode = false;
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int pass0, passn;
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static int pass1, pass2; /* XXX: Get rid of these, they are redundant */
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int globalrel = 0;
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int globalbnd = 0;
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struct compile_time official_compile_time;
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const char *inname;
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const char *outname;
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static const char *listname;
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static const char *errname;
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static int globallineno; /* for forward-reference tracking */
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#define GLOBALLINENO_MAX INT32_MAX
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/* static int pass = 0; */
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const struct ofmt *ofmt = &OF_DEFAULT;
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const struct ofmt_alias *ofmt_alias = NULL;
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const struct dfmt *dfmt;
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static FILE *error_file; /* Where to write error messages */
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FILE *ofile = NULL;
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int optimizing = MAX_OPTIMIZE; /* number of optimization passes to take */
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static int cmd_sb = 16; /* by default */
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iflag_t cpu;
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static iflag_t cmd_cpu;
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struct location location;
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bool in_absolute; /* Flag we are in ABSOLUTE seg */
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struct location absolute; /* Segment/offset inside ABSOLUTE */
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static struct RAA *offsets;
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static struct SAA *forwrefs; /* keep track of forward references */
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static const struct forwrefinfo *forwref;
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static const struct preproc_ops *preproc;
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#define OP_NORMAL (1u << 0)
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#define OP_PREPROCESS (1u << 1)
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#define OP_DEPEND (1u << 2)
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static unsigned int operating_mode;
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/* Dependency flags */
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static bool depend_emit_phony = false;
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static bool depend_missing_ok = false;
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static const char *depend_target = NULL;
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static const char *depend_file = NULL;
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StrList *depend_list;
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static bool want_usage;
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static bool terminate_after_phase;
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bool user_nolist = false;
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static char *quote_for_pmake(const char *str);
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static char *quote_for_wmake(const char *str);
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static char *(*quote_for_make)(const char *) = quote_for_pmake;
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/*
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* Execution limits that can be set via a command-line option or %pragma
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*/
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#define LIMIT_MAX_VAL (INT_MAX >> 1) /* Effectively unlimited */
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int nasm_limit[LIMIT_MAX+1] =
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{ LIMIT_MAX_VAL, 1000, 1000000, 1000000, 1000000 };
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struct limit_info {
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const char *name;
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const char *help;
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};
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static const struct limit_info limit_info[LIMIT_MAX+1] = {
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{ "passes", "total number of passes" },
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{ "stalled-passes", "number of passes without forward progress" },
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{ "macro-levels", "levels of macro expansion"},
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{ "rep", "%rep count" },
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{ "eval", "expression evaluation descent"}
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};
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enum directive_result
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nasm_set_limit(const char *limit, const char *valstr)
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{
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int i;
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int64_t val;
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bool rn_error;
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int errlevel;
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for (i = 0; i <= LIMIT_MAX; i++) {
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if (!nasm_stricmp(limit, limit_info[i].name))
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break;
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}
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if (i > LIMIT_MAX) {
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if (passn == 0)
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errlevel = ERR_WARNING|ERR_NOFILE|ERR_USAGE;
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else
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errlevel = ERR_WARNING|ERR_PASS1|ERR_WARN_UNKNOWN_PRAGMA;
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nasm_error(errlevel, "unknown limit: `%s'", limit);
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return DIRR_ERROR;
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}
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if (!nasm_stricmp(valstr, "unlimited")) {
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val = LIMIT_MAX_VAL;
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} else {
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val = readnum(valstr, &rn_error);
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if (rn_error || val < 0) {
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if (passn == 0)
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errlevel = ERR_WARNING|ERR_NOFILE|ERR_USAGE;
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else
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errlevel = ERR_WARNING|ERR_PASS1|ERR_WARN_BAD_PRAGMA;
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nasm_error(errlevel, "invalid limit value: `%s'", limit);
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return DIRR_ERROR;
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}
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if (val > LIMIT_MAX_VAL)
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val = LIMIT_MAX_VAL;
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}
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nasm_limit[i] = val;
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return DIRR_OK;
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}
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int64_t switch_segment(int32_t segment)
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{
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location.segment = segment;
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if (segment == NO_SEG) {
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location.offset = absolute.offset;
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in_absolute = true;
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} else {
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location.offset = raa_read(offsets, segment);
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in_absolute = false;
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}
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return location.offset;
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}
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static void set_curr_offs(int64_t l_off)
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{
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if (in_absolute)
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absolute.offset = l_off;
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else
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offsets = raa_write(offsets, location.segment, l_off);
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}
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static void increment_offset(int64_t delta)
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{
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if (unlikely(delta == 0))
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return;
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location.offset += delta;
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set_curr_offs(location.offset);
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}
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static void nasm_fputs(const char *line, FILE * outfile)
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{
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if (outfile) {
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fputs(line, outfile);
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putc('\n', outfile);
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} else
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puts(line);
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}
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static void define_macros_early(void)
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{
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const struct compile_time * const oct = &official_compile_time;
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char temp[128];
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if (oct->have_local) {
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strftime(temp, sizeof temp, "__DATE__=\"%Y-%m-%d\"", &oct->local);
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preproc->pre_define(temp);
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strftime(temp, sizeof temp, "__DATE_NUM__=%Y%m%d", &oct->local);
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preproc->pre_define(temp);
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strftime(temp, sizeof temp, "__TIME__=\"%H:%M:%S\"", &oct->local);
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preproc->pre_define(temp);
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strftime(temp, sizeof temp, "__TIME_NUM__=%H%M%S", &oct->local);
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preproc->pre_define(temp);
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}
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if (oct->have_gm) {
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strftime(temp, sizeof temp, "__UTC_DATE__=\"%Y-%m-%d\"", &oct->gm);
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preproc->pre_define(temp);
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strftime(temp, sizeof temp, "__UTC_DATE_NUM__=%Y%m%d", &oct->gm);
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preproc->pre_define(temp);
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strftime(temp, sizeof temp, "__UTC_TIME__=\"%H:%M:%S\"", &oct->gm);
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preproc->pre_define(temp);
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strftime(temp, sizeof temp, "__UTC_TIME_NUM__=%H%M%S", &oct->gm);
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preproc->pre_define(temp);
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}
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if (oct->have_posix) {
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snprintf(temp, sizeof temp, "__POSIX_TIME__=%"PRId64, oct->posix);
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preproc->pre_define(temp);
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}
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}
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static void define_macros_late(void)
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{
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char temp[128];
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/*
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* In case if output format is defined by alias
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* we have to put shortname of the alias itself here
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* otherwise ABI backward compatibility gets broken.
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*/
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snprintf(temp, sizeof(temp), "__OUTPUT_FORMAT__=%s",
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ofmt_alias ? ofmt_alias->shortname : ofmt->shortname);
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preproc->pre_define(temp);
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}
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static void emit_dependencies(StrList *list)
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{
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FILE *deps;
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int linepos, len;
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StrList *l, *nl;
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bool wmake = (quote_for_make == quote_for_wmake);
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const char *wrapstr, *nulltarget;
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wrapstr = wmake ? " &\n " : " \\\n ";
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nulltarget = wmake ? "\t%null\n" : "";
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if (depend_file && strcmp(depend_file, "-")) {
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deps = nasm_open_write(depend_file, NF_TEXT);
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if (!deps) {
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nasm_error(ERR_NONFATAL|ERR_NOFILE|ERR_USAGE,
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"unable to write dependency file `%s'", depend_file);
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return;
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}
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} else {
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deps = stdout;
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}
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linepos = fprintf(deps, "%s :", depend_target);
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list_for_each(l, list) {
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char *file = quote_for_make(l->str);
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len = strlen(file);
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if (linepos + len > 62 && linepos > 1) {
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fputs(wrapstr, deps);
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linepos = 1;
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}
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fprintf(deps, " %s", file);
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linepos += len+1;
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nasm_free(file);
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}
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fprintf(deps, "\n\n");
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list_for_each_safe(l, nl, list) {
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if (depend_emit_phony) {
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char *file = quote_for_make(l->str);
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fprintf(deps, "%s :\n%s\n", file, nulltarget);
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nasm_free(file);
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}
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nasm_free(l);
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}
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if (deps != stdout)
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fclose(deps);
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}
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/* Convert a struct tm to a POSIX-style time constant */
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static int64_t make_posix_time(const struct tm *tm)
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{
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int64_t t;
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int64_t y = tm->tm_year;
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/* See IEEE 1003.1:2004, section 4.14 */
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t = (y-70)*365 + (y-69)/4 - (y-1)/100 + (y+299)/400;
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t += tm->tm_yday;
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t *= 24;
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t += tm->tm_hour;
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t *= 60;
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t += tm->tm_min;
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t *= 60;
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t += tm->tm_sec;
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return t;
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}
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static void timestamp(void)
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{
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struct compile_time * const oct = &official_compile_time;
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const struct tm *tp, *best_gm;
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time(&oct->t);
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best_gm = NULL;
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tp = localtime(&oct->t);
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if (tp) {
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oct->local = *tp;
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best_gm = &oct->local;
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oct->have_local = true;
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}
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tp = gmtime(&oct->t);
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if (tp) {
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oct->gm = *tp;
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best_gm = &oct->gm;
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oct->have_gm = true;
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if (!oct->have_local)
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oct->local = oct->gm;
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} else {
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oct->gm = oct->local;
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}
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if (best_gm) {
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oct->posix = make_posix_time(best_gm);
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oct->have_posix = true;
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}
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}
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int main(int argc, char **argv)
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{
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StrList **depend_ptr;
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timestamp();
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iflag_set_default_cpu(&cpu);
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iflag_set_default_cpu(&cmd_cpu);
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pass0 = 0;
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want_usage = terminate_after_phase = false;
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nasm_set_verror(nasm_verror_gnu);
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error_file = stderr;
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tolower_init();
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src_init();
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offsets = raa_init();
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forwrefs = saa_init((int32_t)sizeof(struct forwrefinfo));
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preproc = &nasmpp;
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operating_mode = OP_NORMAL;
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parse_cmdline(argc, argv, 1);
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if (terminate_after_phase) {
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if (want_usage)
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usage();
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return 1;
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}
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/*
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* Define some macros dependent on the runtime, but not
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* on the command line (as those are scanned in cmdline pass 2.)
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*/
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preproc->init();
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define_macros_early();
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parse_cmdline(argc, argv, 2);
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if (terminate_after_phase) {
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if (want_usage)
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usage();
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return 1;
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}
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/* Save away the default state of warnings */
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memcpy(warning_state_init, warning_state, sizeof warning_state);
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if (!using_debug_info) {
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/* No debug info, redirect to the null backend (empty stubs) */
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dfmt = &null_debug_form;
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} else if (!debug_format) {
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/* Default debug format for this backend */
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dfmt = ofmt->default_dfmt;
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} else {
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dfmt = dfmt_find(ofmt, debug_format);
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if (!dfmt) {
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nasm_fatal(ERR_NOFILE | ERR_USAGE,
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"unrecognized debug format `%s' for"
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" output format `%s'",
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debug_format, ofmt->shortname);
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}
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}
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if (ofmt->stdmac)
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preproc->extra_stdmac(ofmt->stdmac);
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/* no output file name? */
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if (!outname)
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outname = filename_set_extension(inname, ofmt->extension);
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/* define some macros dependent of command-line */
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define_macros_late();
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depend_ptr = (depend_file || (operating_mode & OP_DEPEND)) ? &depend_list : NULL;
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if (!depend_target)
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depend_target = quote_for_make(outname);
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if (operating_mode & OP_DEPEND) {
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char *line;
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if (depend_missing_ok)
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preproc->include_path(NULL); /* "assume generated" */
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preproc->reset(inname, 0, depend_ptr);
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ofile = NULL;
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while ((line = preproc->getline()))
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nasm_free(line);
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preproc->cleanup(0);
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} else if (operating_mode & OP_PREPROCESS) {
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char *line;
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const char *file_name = NULL;
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int32_t prior_linnum = 0;
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int lineinc = 0;
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if (outname) {
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ofile = nasm_open_write(outname, NF_TEXT);
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if (!ofile)
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nasm_fatal(ERR_NOFILE,
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"unable to open output file `%s'",
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outname);
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} else
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ofile = NULL;
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location.known = false;
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/* pass = 1; */
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preproc->reset(inname, 3, depend_ptr);
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/* Revert all warnings to the default state */
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memcpy(warning_state, warning_state_init, sizeof warning_state);
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while ((line = preproc->getline())) {
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/*
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* We generate %line directives if needed for later programs
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*/
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int32_t linnum = prior_linnum += lineinc;
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int altline = src_get(&linnum, &file_name);
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if (altline) {
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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);
|
|
}
|
|
preproc->cleanup(0);
|
|
if (ofile)
|
|
fclose(ofile);
|
|
if (ofile && terminate_after_phase)
|
|
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(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->init();
|
|
|
|
assemble_file(inname, depend_ptr);
|
|
|
|
if (!terminate_after_phase) {
|
|
ofmt->cleanup();
|
|
cleanup_labels();
|
|
fflush(ofile);
|
|
if (ferror(ofile)) {
|
|
nasm_error(ERR_NONFATAL|ERR_NOFILE,
|
|
"write error on output file `%s'", outname);
|
|
terminate_after_phase = true;
|
|
}
|
|
}
|
|
|
|
if (ofile) {
|
|
fclose(ofile);
|
|
if (terminate_after_phase)
|
|
remove(outname);
|
|
ofile = NULL;
|
|
}
|
|
}
|
|
|
|
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();
|
|
|
|
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(const char **dst, const char *src, const char *what)
|
|
{
|
|
if (*dst)
|
|
nasm_fatal(0, "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 '$':
|
|
case '#':
|
|
nbs = 0;
|
|
n += 2;
|
|
break;
|
|
case '\\':
|
|
nbs++;
|
|
n++;
|
|
break;
|
|
default:
|
|
nbs = 0;
|
|
n++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Convert N backslashes at the end of filename to 2N backslashes */
|
|
if (nbs)
|
|
n += nbs;
|
|
|
|
os = q = nasm_malloc(n);
|
|
|
|
nbs = 0;
|
|
for (p = str; *p; p++) {
|
|
switch (*p) {
|
|
case ' ':
|
|
case '\t':
|
|
while (nbs--)
|
|
*q++ = '\\';
|
|
*q++ = '\\';
|
|
*q++ = *p;
|
|
break;
|
|
case '$':
|
|
*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;
|
|
}
|
|
|
|
/*
|
|
* 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
|
|
};
|
|
struct textargs {
|
|
const char *label;
|
|
enum text_options opt;
|
|
bool need_arg;
|
|
int pvt;
|
|
};
|
|
static const struct textargs textopts[] = {
|
|
{"v", OPT_VERSION, false, 0},
|
|
{"version", OPT_VERSION, false, 0},
|
|
{"help", OPT_HELP, false, 0},
|
|
{"abort-on-panic", OPT_ABORT_ON_PANIC, false, 0},
|
|
{"prefix", OPT_MANGLE, true, LM_GPREFIX},
|
|
{"postfix", OPT_MANGLE, true, LM_GSUFFIX},
|
|
{"gprefix", OPT_MANGLE, true, LM_GPREFIX},
|
|
{"gpostfix", OPT_MANGLE, true, LM_GSUFFIX},
|
|
{"lprefix", OPT_MANGLE, true, LM_LPREFIX},
|
|
{"lpostfix", OPT_MANGLE, true, LM_LSUFFIX},
|
|
{"include", OPT_INCLUDE, true, 0},
|
|
{"pragma", OPT_PRAGMA, true, 0},
|
|
{"before", OPT_BEFORE, true, 0},
|
|
{"limit-", OPT_LIMIT, true, 0},
|
|
{NULL, OPT_BOGUS, false, 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;
|
|
|
|
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':
|
|
if (pass == 1)
|
|
error_file = stdout;
|
|
break;
|
|
|
|
case 'o': /* output file */
|
|
if (pass == 2)
|
|
copy_filename(&outname, param, "output");
|
|
break;
|
|
|
|
case 'f': /* output format */
|
|
if (pass == 1) {
|
|
ofmt = ofmt_find(param, &ofmt_alias);
|
|
if (!ofmt) {
|
|
nasm_fatal(ERR_NOFILE | ERR_USAGE,
|
|
"unrecognised output format `%s' - "
|
|
"use -hf for a list", param);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'O': /* Optimization level */
|
|
if (pass == 2) {
|
|
int opt;
|
|
|
|
if (!*param) {
|
|
/* Naked -O == -Ox */
|
|
optimizing = MAX_OPTIMIZE;
|
|
} 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, ¶m, 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 = MAX_OPTIMIZE;
|
|
break;
|
|
|
|
default:
|
|
nasm_fatal(0,
|
|
"unknown optimization option -O%c\n",
|
|
*param);
|
|
break;
|
|
}
|
|
}
|
|
if (optimizing > MAX_OPTIMIZE)
|
|
optimizing = MAX_OPTIMIZE;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'p': /* pre-include */
|
|
case 'P':
|
|
if (pass == 2)
|
|
preproc->pre_include(param);
|
|
break;
|
|
|
|
case 'd': /* pre-define */
|
|
case 'D':
|
|
if (pass == 2)
|
|
preproc->pre_define(param);
|
|
break;
|
|
|
|
case 'u': /* un-define */
|
|
case 'U':
|
|
if (pass == 2)
|
|
preproc->pre_undefine(param);
|
|
break;
|
|
|
|
case 'i': /* include search path */
|
|
case 'I':
|
|
if (pass == 2)
|
|
preproc->include_path(param);
|
|
break;
|
|
|
|
case 'l': /* listing file */
|
|
if (pass == 2)
|
|
copy_filename(&listname, param, "listing");
|
|
break;
|
|
|
|
case 'Z': /* error messages file */
|
|
if (pass == 1)
|
|
copy_filename(&errname, param, "error");
|
|
break;
|
|
|
|
case 'F': /* specify debug format */
|
|
if (pass == 2) {
|
|
using_debug_info = true;
|
|
debug_format = param;
|
|
}
|
|
break;
|
|
|
|
case 'X': /* specify error reporting format */
|
|
if (pass == 1) {
|
|
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_fatal(ERR_NOFILE | ERR_USAGE,
|
|
"unrecognized error reporting format `%s'",
|
|
param);
|
|
}
|
|
break;
|
|
|
|
case 'g':
|
|
if (pass == 2) {
|
|
using_debug_info = true;
|
|
if (p[2])
|
|
debug_format = nasm_skip_spaces(p + 2);
|
|
}
|
|
break;
|
|
|
|
case 'h':
|
|
help(p[2]);
|
|
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':
|
|
if (pass == 2)
|
|
tasm_compatible_mode = true;
|
|
break;
|
|
|
|
case 'v':
|
|
show_version();
|
|
break;
|
|
|
|
case 'e': /* preprocess only */
|
|
case 'E':
|
|
if (pass == 1)
|
|
operating_mode = OP_PREPROCESS;
|
|
break;
|
|
|
|
case 'a': /* assemble only - don't preprocess */
|
|
if (pass == 1)
|
|
preproc = &preproc_nop;
|
|
break;
|
|
|
|
case 'w':
|
|
case 'W':
|
|
if (pass == 2) {
|
|
if (!set_warning_status(param)) {
|
|
nasm_error(ERR_WARNING|ERR_NOFILE|ERR_WARN_UNK_WARNING,
|
|
"unknown warning option: %s", param);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'M':
|
|
if (pass == 1) {
|
|
switch (p[2]) {
|
|
case 'W':
|
|
quote_for_make = quote_for_wmake;
|
|
break;
|
|
case 'D':
|
|
case 'F':
|
|
case 'T':
|
|
case 'Q':
|
|
advance = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else {
|
|
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':
|
|
operating_mode = OP_NORMAL;
|
|
depend_file = q;
|
|
advance = true;
|
|
break;
|
|
case 'F':
|
|
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;
|
|
case 'W':
|
|
/* handled in pass 1 */
|
|
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 '-':
|
|
{
|
|
const struct textargs *tx;
|
|
size_t olen, plen;
|
|
char *eqsave;
|
|
|
|
p += 2;
|
|
|
|
if (!*p) { /* -- => stop processing options */
|
|
stopoptions = true;
|
|
break;
|
|
}
|
|
|
|
plen = strlen(p);
|
|
for (tx = textopts; tx->label; tx++) {
|
|
olen = strlen(tx->label);
|
|
|
|
if (olen > plen)
|
|
continue;
|
|
|
|
if (nasm_memicmp(p, tx->label, olen))
|
|
continue;
|
|
|
|
if (tx->label[olen-1] == '-')
|
|
break; /* Incomplete option */
|
|
|
|
if (!p[olen] || p[olen] == '=')
|
|
break; /* Complete option */
|
|
}
|
|
|
|
if (!tx->label) {
|
|
nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
|
|
"unrecognized option `--%s'", p);
|
|
}
|
|
|
|
eqsave = param = strchr(p+olen, '=');
|
|
if (param)
|
|
*param++ = '\0';
|
|
|
|
if (tx->need_arg) {
|
|
if (!param) {
|
|
param = q;
|
|
advance = true;
|
|
}
|
|
|
|
/* Note: a null string is a valid parameter */
|
|
if (!param) {
|
|
nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
|
|
"option `--%s' requires an argument",
|
|
p);
|
|
break;
|
|
}
|
|
} else {
|
|
if (param) {
|
|
nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
|
|
"option `--%s' does not take an argument",
|
|
p);
|
|
|
|
}
|
|
}
|
|
|
|
switch (tx->opt) {
|
|
case OPT_VERSION:
|
|
show_version();
|
|
break;
|
|
case OPT_ABORT_ON_PANIC:
|
|
abort_on_panic = true;
|
|
break;
|
|
case OPT_MANGLE:
|
|
if (pass == 2)
|
|
set_label_mangle(tx->pvt, param);
|
|
break;
|
|
case OPT_INCLUDE:
|
|
if (pass == 2)
|
|
preproc->pre_include(q);
|
|
break;
|
|
case OPT_PRAGMA:
|
|
if (pass == 2)
|
|
preproc->pre_command("pragma", param);
|
|
break;
|
|
case OPT_BEFORE:
|
|
if (pass == 2)
|
|
preproc->pre_command(NULL, param);
|
|
break;
|
|
case OPT_LIMIT:
|
|
if (pass == 2)
|
|
nasm_set_limit(p+olen, param);
|
|
break;
|
|
case OPT_HELP:
|
|
help(0);
|
|
exit(0);
|
|
default:
|
|
panic();
|
|
}
|
|
|
|
if (eqsave)
|
|
*eqsave = '='; /* Restore = argument separator */
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
|
|
"unrecognised option `-%c'", p[1]);
|
|
break;
|
|
}
|
|
} else if (pass == 2) {
|
|
/* In theory we could allow multiple input files... */
|
|
copy_filename(&inname, p, "input");
|
|
}
|
|
|
|
return advance;
|
|
}
|
|
|
|
#define ARG_BUF_DELTA 128
|
|
|
|
static void process_respfile(FILE * rfile, int pass)
|
|
{
|
|
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, pass);
|
|
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, pass))
|
|
*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, int pass)
|
|
{
|
|
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, pass))
|
|
arg = NULL;
|
|
}
|
|
if (arg)
|
|
process_arg(arg, NULL, pass);
|
|
}
|
|
|
|
static void process_response_file(const char *file, int pass)
|
|
{
|
|
char str[2048];
|
|
FILE *f = nasm_open_read(file, NF_TEXT);
|
|
if (!f) {
|
|
perror(file);
|
|
exit(-1);
|
|
}
|
|
while (fgets(str, sizeof str, f)) {
|
|
process_args(str, pass);
|
|
}
|
|
fclose(f);
|
|
}
|
|
|
|
static void parse_cmdline(int argc, char **argv, int pass)
|
|
{
|
|
FILE *rfile;
|
|
char *envreal, *envcopy = NULL, *p;
|
|
int i;
|
|
|
|
/* Initialize all the warnings to their default state */
|
|
for (i = 0; i < ERR_WARN_ALL; i++) {
|
|
warning_state_init[i] = warning_state[i] =
|
|
warnings[i].enabled ? WARN_ST_ENABLED : 0;
|
|
}
|
|
|
|
/*
|
|
* First, process the NASMENV environment variable.
|
|
*/
|
|
envreal = getenv("NASMENV");
|
|
if (envreal) {
|
|
envcopy = nasm_strdup(envreal);
|
|
process_args(envcopy, pass);
|
|
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, pass);
|
|
argc--;
|
|
argv++;
|
|
}
|
|
if (!stopoptions && argv[0][0] == '-' && argv[0][1] == '@') {
|
|
p = get_param(argv[0], argc > 1 ? argv[1] : NULL, &advance);
|
|
if (p) {
|
|
rfile = nasm_open_read(p, NF_TEXT);
|
|
if (rfile) {
|
|
process_respfile(rfile, pass);
|
|
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, pass);
|
|
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 (pass != 2)
|
|
return;
|
|
|
|
if (!inname)
|
|
nasm_fatal(ERR_NOFILE | ERR_USAGE, "no input file specified");
|
|
|
|
else if ((errname && !strcmp(inname, errname)) ||
|
|
(outname && !strcmp(inname, outname)) ||
|
|
(listname && !strcmp(inname, listname)) ||
|
|
(depend_file && !strcmp(inname, depend_file)))
|
|
nasm_fatal(ERR_USAGE, "will not overwrite input file");
|
|
|
|
if (errname) {
|
|
error_file = nasm_open_write(errname, NF_TEXT);
|
|
if (!error_file) {
|
|
error_file = stderr; /* Revert to default! */
|
|
nasm_fatal(ERR_NOFILE | ERR_USAGE,
|
|
"cannot open file `%s' for error messages",
|
|
errname);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void assemble_file(const char *fname, StrList **depend_ptr)
|
|
{
|
|
char *line;
|
|
insn output_ins;
|
|
int i;
|
|
uint64_t prev_offset_changed;
|
|
int stall_count = 0; /* Make sure we make forward progress... */
|
|
|
|
switch (cmd_sb) {
|
|
case 16:
|
|
break;
|
|
case 32:
|
|
if (!iflag_cpu_level_ok(&cmd_cpu, IF_386))
|
|
nasm_fatal(0, "command line: 32-bit segment size requires a higher cpu");
|
|
break;
|
|
case 64:
|
|
if (!iflag_cpu_level_ok(&cmd_cpu, IF_X86_64))
|
|
nasm_fatal(0, "command line: 64-bit segment size requires a higher cpu");
|
|
break;
|
|
default:
|
|
panic();
|
|
break;
|
|
}
|
|
|
|
/* Any segment numbers allocated before this point are permanent */
|
|
seg_alloc_setup_done();
|
|
|
|
prev_offset_changed = nasm_limit[LIMIT_PASSES];
|
|
for (passn = 1; pass0 <= 2; passn++) {
|
|
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 */
|
|
|
|
globalbits = cmd_sb; /* set 'bits' to command line default */
|
|
cpu = cmd_cpu;
|
|
if (pass0 == 2) {
|
|
lfmt->init(listname);
|
|
} else if (passn == 1 && listname) {
|
|
/* Remove the list file in case we die before the output pass */
|
|
remove(listname);
|
|
}
|
|
in_absolute = false;
|
|
global_offset_changed = 0; /* set by redefine_label */
|
|
seg_alloc_reset();
|
|
if (passn > 1) {
|
|
saa_rewind(forwrefs);
|
|
forwref = saa_rstruct(forwrefs);
|
|
raa_free(offsets);
|
|
offsets = raa_init();
|
|
}
|
|
location.segment = NO_SEG;
|
|
location.offset = 0;
|
|
if (passn == 1)
|
|
location.known = true;
|
|
ofmt->reset();
|
|
switch_segment(ofmt->section(NULL, pass2, &globalbits));
|
|
preproc->reset(fname, pass1, pass1 == 2 ? depend_ptr : NULL);
|
|
|
|
/* Revert all warnings to the default state */
|
|
memcpy(warning_state, warning_state_init, sizeof warning_state);
|
|
|
|
globallineno = 0;
|
|
|
|
while ((line = preproc->getline())) {
|
|
if (globallineno++ == GLOBALLINENO_MAX)
|
|
nasm_error(ERR_FATAL,
|
|
"overall line number reaches the maximum %d\n",
|
|
GLOBALLINENO_MAX);
|
|
|
|
/*
|
|
* Here we parse our directives; this is not handled by the
|
|
* main parser.
|
|
*/
|
|
if (process_directives(line))
|
|
goto end_of_line; /* Just do final cleanup */
|
|
|
|
/* Not a directive, or even something that starts with [ */
|
|
parse_line(pass1, line, &output_ins);
|
|
|
|
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 (!output_ins.label)
|
|
nasm_error(ERR_NONFATAL,
|
|
"EQU not preceded by label");
|
|
|
|
if (output_ins.operands == 1 &&
|
|
(output_ins.oprs[0].type & IMMEDIATE) &&
|
|
output_ins.oprs[0].wrt == NO_SEG) {
|
|
define_label(output_ins.label,
|
|
output_ins.oprs[0].segment,
|
|
output_ins.oprs[0].offset, 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[0].wrt == NO_SEG
|
|
&& (output_ins.oprs[1].type & IMMEDIATE)
|
|
&& output_ins.oprs[1].segment == NO_SEG
|
|
&& output_ins.oprs[1].wrt == NO_SEG) {
|
|
define_label(output_ins.label,
|
|
output_ins.oprs[0].offset | SEG_ABS,
|
|
output_ins.oprs[1].offset, false);
|
|
} else {
|
|
nasm_error(ERR_NONFATAL, "bad syntax for EQU");
|
|
}
|
|
} else { /* instruction isn't an EQU */
|
|
int32_t n;
|
|
|
|
nasm_assert(output_ins.times >= 0);
|
|
|
|
for (n = 1; n <= output_ins.times; n++) {
|
|
if (pass1 == 1) {
|
|
int64_t l = insn_size(location.segment,
|
|
location.offset,
|
|
globalbits, &output_ins);
|
|
|
|
/* 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_RESZ:
|
|
typeinfo =
|
|
TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_ZWORD;
|
|
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;
|
|
case I_DZ:
|
|
typeinfo |= TY_ZWORD;
|
|
break;
|
|
default:
|
|
typeinfo = TY_LABEL;
|
|
break;
|
|
}
|
|
|
|
dfmt->debug_typevalue(typeinfo);
|
|
}
|
|
|
|
/*
|
|
* For INCBIN, let the code in assemble
|
|
* handle TIMES, so we don't have to read the
|
|
* input file over and over.
|
|
*/
|
|
if (l != -1) {
|
|
increment_offset(l);
|
|
}
|
|
/*
|
|
* else l == -1 => invalid instruction, which will be
|
|
* flagged as an error on pass 2
|
|
*/
|
|
} else {
|
|
if (n == 2)
|
|
lfmt->uplevel(LIST_TIMES);
|
|
increment_offset(assemble(location.segment,
|
|
location.offset,
|
|
globalbits, &output_ins));
|
|
}
|
|
} /* not an EQU */
|
|
}
|
|
if (output_ins.times > 1)
|
|
lfmt->downlevel(LIST_TIMES);
|
|
|
|
cleanup_insn(&output_ins);
|
|
|
|
end_of_line:
|
|
nasm_free(line);
|
|
} /* 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 > nasm_limit[LIMIT_STALLED]) ||
|
|
(passn >= nasm_limit[LIMIT_PASSES])) {
|
|
/* 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);
|
|
lfmt->cleanup();
|
|
if (!terminate_after_phase && opt_verbose_info) {
|
|
/* -On and -Ov switches */
|
|
fprintf(stdout, "info: assembly required 1+%d+1 passes\n", passn-3);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
const char *currentfile = NULL;
|
|
int32_t lineno = 0;
|
|
|
|
if (is_suppressed_warning(severity))
|
|
return;
|
|
|
|
if (!(severity & ERR_NOFILE)) {
|
|
src_get(&lineno, ¤tfile);
|
|
if (!currentfile || (severity & ERR_TOPFILE)) {
|
|
currentfile = inname[0] ? inname : outname[0] ? outname : NULL;
|
|
lineno = 0;
|
|
}
|
|
}
|
|
|
|
if (!skip_this_pass(severity)) {
|
|
if (!lineno)
|
|
fprintf(error_file, "%s:", currentfile ? currentfile : "nasm");
|
|
else
|
|
fprintf(error_file, "%s:%"PRId32": ", currentfile, lineno);
|
|
}
|
|
|
|
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)
|
|
{
|
|
const char *currentfile = NULL;
|
|
int32_t lineno = 0;
|
|
|
|
if (is_suppressed_warning(severity))
|
|
return;
|
|
|
|
if (!(severity & ERR_NOFILE))
|
|
src_get(&lineno, ¤tfile);
|
|
|
|
if (!skip_this_pass(severity)) {
|
|
if (currentfile) {
|
|
fprintf(error_file, "%s(%"PRId32") : ", currentfile, lineno);
|
|
} else {
|
|
fputs("nasm: ", error_file);
|
|
}
|
|
}
|
|
|
|
nasm_verror_common(severity, fmt, ap);
|
|
}
|
|
|
|
/*
|
|
* check to see if this is a suppressable warning
|
|
*/
|
|
static inline bool is_valid_warning(int severity)
|
|
{
|
|
/* Not a warning at all */
|
|
if ((severity & ERR_MASK) != ERR_WARNING)
|
|
return false;
|
|
|
|
return WARN_IDX(severity) < ERR_WARN_ALL;
|
|
}
|
|
|
|
/**
|
|
* check for suppressed 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)
|
|
{
|
|
/* Might be a warning but suppresed explicitly */
|
|
if (is_valid_warning(severity) && !(severity & ERR_USAGE))
|
|
return !(warning_state[WARN_IDX(severity)] & WARN_ST_ENABLED);
|
|
else
|
|
return false;
|
|
}
|
|
|
|
static bool warning_is_error(int severity)
|
|
{
|
|
if (is_valid_warning(severity))
|
|
return !!(warning_state[WARN_IDX(severity)] & WARN_ST_ERROR);
|
|
else
|
|
return false;
|
|
}
|
|
|
|
static bool skip_this_pass(int severity)
|
|
{
|
|
/*
|
|
* See if it's a pass-specific error or warning which should be skipped.
|
|
* We cannot skip errors stronger than ERR_NONFATAL as by definition
|
|
* they cannot be resumed from.
|
|
*/
|
|
if ((severity & ERR_MASK) > ERR_NONFATAL)
|
|
return false;
|
|
|
|
/*
|
|
* passn is 1 on the very first pass only.
|
|
* pass0 is 2 on the code-generation (final) pass only.
|
|
* These are the passes we care about in this case.
|
|
*/
|
|
return (((severity & ERR_PASS1) && passn != 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 - 64, fmt, args);
|
|
if (is_valid_warning(severity) && WARN_IDX(severity) != ERR_WARN_OTHER) {
|
|
char *p = strchr(msg, '\0');
|
|
snprintf(p, 64, " [-w+%s]", warnings[WARN_IDX(severity)].name);
|
|
}
|
|
|
|
if (!skip_this_pass(severity))
|
|
fprintf(error_file, "%s%s\n", pfx, msg);
|
|
|
|
/* Are we recursing from error_list_macros? */
|
|
if (severity & ERR_PP_LISTMACRO)
|
|
return;
|
|
|
|
/*
|
|
* Don't suppress this with skip_this_pass(), or we don't get
|
|
* pass1 or preprocessor warnings in the list file
|
|
*/
|
|
lfmt->error(severity, pfx, msg);
|
|
|
|
if (skip_this_pass(severity))
|
|
return;
|
|
|
|
if (severity & ERR_USAGE)
|
|
want_usage = true;
|
|
|
|
preproc->error_list_macros(severity);
|
|
|
|
switch (severity & ERR_MASK) {
|
|
case ERR_DEBUG:
|
|
/* no further action, by definition */
|
|
break;
|
|
case ERR_WARNING:
|
|
/* Treat warnings as errors */
|
|
if (warning_is_error(severity))
|
|
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);
|
|
|
|
if (abort_on_panic)
|
|
abort(); /* halt, catch fire, dump core/stop debugger */
|
|
|
|
if (ofile) {
|
|
fclose(ofile);
|
|
remove(outname);
|
|
ofile = NULL;
|
|
}
|
|
exit(3);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void usage(void)
|
|
{
|
|
fputs("type `nasm -h' for help\n", error_file);
|
|
}
|
|
|
|
static void help(const char xopt)
|
|
{
|
|
int i;
|
|
|
|
printf
|
|
("usage: nasm [-@ response file] [-o outfile] [-f format] "
|
|
"[-l listfile]\n"
|
|
" [options...] [--] filename\n"
|
|
" or nasm -v (or --v) for version info\n\n"
|
|
"\n"
|
|
"Response files should contain command line parameters,\n"
|
|
"one per line.\n"
|
|
"\n"
|
|
" -t assemble in SciTech TASM compatible mode\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"
|
|
" -Zfile redirect error messages to file\n"
|
|
" -s redirect error messages to stdout\n\n"
|
|
" -g generate debugging information\n\n"
|
|
" -F format select a debugging format\n\n"
|
|
" -gformat same as -g -F format\n\n"
|
|
" -o outfile write output to an outfile\n\n"
|
|
" -f format select an output format\n\n"
|
|
" -l listfile write listing to a listfile\n\n"
|
|
" -Ipath add a pathname to the include file path\n");
|
|
printf
|
|
(" -Olevel optimize opcodes, immediates and branch offsets\n"
|
|
" -O0 no optimization\n"
|
|
" -O1 minimal optimization\n"
|
|
" -Ox multipass optimization (default)\n"
|
|
" -Pfile pre-include a file (also --include)\n"
|
|
" -Dmacro[=str] pre-define a macro\n"
|
|
" -Umacro undefine a macro\n"
|
|
" -Xformat specifiy error reporting format (gnu or vc)\n"
|
|
" -w+foo enable warning foo (equiv. -Wfoo)\n"
|
|
" -w-foo disable warning foo (equiv. -Wno-foo)\n"
|
|
" -w[+-]error[=foo]\n"
|
|
" promote [specific] warnings to errors\n"
|
|
" -h show invocation summary and exit\n\n"
|
|
" --pragma str pre-executes a specific %%pragma\n"
|
|
" --before str add line (usually a preprocessor statement) before the input\n"
|
|
" --prefix str prepend the given string to all the given string\n"
|
|
" to all extern, common and global symbols\n"
|
|
" --suffix str append the given string to all the given string\n"
|
|
" to all extern, common and global symbols\n"
|
|
" --lprefix str prepend the given string to all other symbols\n"
|
|
" --limit-X val set execution limit X\n");
|
|
|
|
for (i = 0; i <= LIMIT_MAX; i++) {
|
|
printf(" %-15s %s (default ",
|
|
limit_info[i].name, limit_info[i].help);
|
|
if (nasm_limit[i] < LIMIT_MAX_VAL) {
|
|
printf("%d)\n", nasm_limit[i]);
|
|
} else {
|
|
printf("unlimited)\n");
|
|
}
|
|
}
|
|
|
|
printf("\nWarnings for the -W/-w options:\n");
|
|
|
|
for (i = 0; i <= ERR_WARN_ALL; i++)
|
|
printf(" %-23s %s%s\n",
|
|
warnings[i].name, warnings[i].help,
|
|
i == ERR_WARN_ALL ? "\n" :
|
|
warnings[i].enabled ? " (default on)" :
|
|
" (default off)");
|
|
|
|
if (xopt == 'f') {
|
|
printf("valid output formats for -f are"
|
|
" (`*' denotes default):\n");
|
|
ofmt_list(ofmt, stdout);
|
|
} else {
|
|
printf("For a list of valid output formats, use -hf.\n");
|
|
printf("For a list of debug formats, use -f <format> -y.\n");
|
|
}
|
|
}
|