diff --git a/Mkfiles/Makefile.dj b/Mkfiles/Makefile.dj index de05d141..419bed86 100644 --- a/Mkfiles/Makefile.dj +++ b/Mkfiles/Makefile.dj @@ -13,7 +13,7 @@ CFLAGS=-DHAVE_CONFIG_H -IMkfiles/dj -O -I. CC?=gcc BUILDCC?=$(CC) -all: yasm ytasm +all: yasm ytasm vsyasm LIBYASM_OBJS= \ libyasm/assocdat.o \ @@ -162,6 +162,12 @@ YTASM_OBJS= \ $(LIBYASM_OBJS) \ $(MODULES_OBJS) +VSYASM_OBJS= \ + frontends/vsyasm/vsyasm.o \ + frontends/yasm/yasm-options.o \ + $(LIBYASM_OBJS) \ + $(MODULES_OBJS) + genstring: genstring.c $(BUILDCC) -o $@ $< @@ -259,6 +265,9 @@ yasm: $(YASM_OBJS) ytasm: $(YTASM_OBJS) $(CC) -o ytasm $(YTASM_OBJS) +vsyasm: $(VSYASM_OBJS) + $(CC) -o vsyasm $(VSYASM_OBJS) + .c.o: $(CC) -c $(CFLAGS) -o $@ $< diff --git a/Mkfiles/Makefile.flat b/Mkfiles/Makefile.flat index 75450588..b979176d 100644 --- a/Mkfiles/Makefile.flat +++ b/Mkfiles/Makefile.flat @@ -16,7 +16,7 @@ CFLAGS=-DHAVE_CONFIG_H -IMkfiles -I. CC?=gcc BUILDCC?=$(CC) -all: yasm ytasm +all: yasm ytasm vsyasm LIBYASM_OBJS= \ libyasm/assocdat.o \ @@ -165,6 +165,12 @@ YTASM_OBJS= \ $(LIBYASM_OBJS) \ $(MODULES_OBJS) +VSYASM_OBJS= \ + frontends/vsyasm/vsyasm.o \ + frontends/yasm/yasm-options.o \ + $(LIBYASM_OBJS) \ + $(MODULES_OBJS) + genstring: genstring.c $(BUILDCC) -o $@ $< @@ -262,6 +268,9 @@ yasm: $(YASM_OBJS) ytasm: $(YTASM_OBJS) $(CC) -o ytasm $(YTASM_OBJS) +vsyasm: $(VSYASM_OBJS) + $(CC) -o vsyasm $(VSYASM_OBJS) + .c.o: $(CC) -c $(CFLAGS) -o $@ $< diff --git a/frontends/Makefile.inc b/frontends/Makefile.inc index 0e1552fa..72140c3f 100644 --- a/frontends/Makefile.inc +++ b/frontends/Makefile.inc @@ -2,6 +2,8 @@ EXTRA_DIST += frontends/yasm/Makefile.inc EXTRA_DIST += frontends/tasm/Makefile.inc +EXTRA_DIST += frontends/vsyasm/Makefile.inc include frontends/yasm/Makefile.inc include frontends/tasm/Makefile.inc +include frontends/vsyasm/Makefile.inc diff --git a/frontends/vsyasm/CMakeLists.txt b/frontends/vsyasm/CMakeLists.txt new file mode 100644 index 00000000..62c7405c --- /dev/null +++ b/frontends/vsyasm/CMakeLists.txt @@ -0,0 +1,29 @@ +INCLUDE_DIRECTORIES( + ${CMAKE_CURRENT_BINARY_DIR} + ${yasm_SOURCE_DIR}/frontends/yasm + ) + +ADD_CUSTOM_COMMAND( + OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/license.c + COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/frontends/yasm/genstring.py + license_msg + ${CMAKE_CURRENT_BINARY_DIR}/license.c + ${CMAKE_SOURCE_DIR}/COPYING + MAIN_DEPENDENCY ${CMAKE_SOURCE_DIR}/COPYING + DEPENDS ${CMAKE_SOURCE_DIR}/frontends/yasm/genstring.py + ) + +SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}) + +ADD_EXECUTABLE(vsyasm + vsyasm.c + ${yasm_SOURCE_DIR}/frontends/yasm/yasm-options.c + ${yasm_SOURCE_DIR}/frontends/yasm/yasm-plugin.c + ) +TARGET_LINK_LIBRARIES(vsyasm libyasm ${LIBDL}) + +SET_SOURCE_FILES_PROPERTIES(vsyasm.c PROPERTIES + OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/license.c + ) + +INSTALL(TARGETS vsyasm RUNTIME DESTINATION bin) diff --git a/frontends/vsyasm/Makefile.inc b/frontends/vsyasm/Makefile.inc new file mode 100644 index 00000000..1adcca8d --- /dev/null +++ b/frontends/vsyasm/Makefile.inc @@ -0,0 +1,11 @@ +# $Id: Makefile.inc 1463 2006-04-05 05:39:23Z peter $ + +bin_PROGRAMS += vsyasm + +vsyasm_SOURCES = frontends/vsyasm/vsyasm.c +vsyasm_SOURCES += frontends/yasm/yasm-options.c +vsyasm_SOURCES += frontends/yasm/yasm-options.h + +$(srcdir)/frontends/vsyasm/vsyasm.c: license.c + +vsyasm_LDADD = libyasm.a $(INTLLIBS) diff --git a/frontends/vsyasm/vsyasm.c b/frontends/vsyasm/vsyasm.c new file mode 100644 index 00000000..43a478d8 --- /dev/null +++ b/frontends/vsyasm/vsyasm.c @@ -0,0 +1,1329 @@ +/* + * Program entry point, command line parsing + * + * Copyright (C) 2001-2007 Peter Johnson + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#include +/*@unused@*/ RCSID("$Id$"); + +#include +#include +#include +#include + +#ifdef HAVE_LIBGEN_H +#include +#endif + +#include "frontends/yasm/yasm-options.h" + +#ifdef CMAKE_BUILD +#include "frontends/yasm/yasm-plugin.h" +#endif + +#include "license.c" + +/*@null@*/ /*@only@*/ static char *objdir_pathname = NULL; +/*@null@*/ /*@only@*/ static char *global_prefix = NULL, *global_suffix = NULL; +/*@null@*/ /*@only@*/ static char *listdir_pathname = NULL; +/*@null@*/ /*@only@*/ static char *mapdir_pathname = NULL; +/*@null@*/ /*@only@*/ static char *machine_name = NULL; +static int special_options = 0; +/*@null@*/ /*@dependent@*/ static const yasm_arch_module * + cur_arch_module = NULL; +/*@null@*/ /*@dependent@*/ static const yasm_parser_module * + cur_parser_module = NULL; +/*@null@*/ /*@dependent@*/ static const yasm_preproc_module * + cur_preproc_module = NULL; +/*@null@*/ static char *objfmt_keyword = NULL; +/*@null@*/ /*@dependent@*/ static const yasm_objfmt_module * + cur_objfmt_module = NULL; +/*@null@*/ /*@dependent@*/ static const yasm_dbgfmt_module * + cur_dbgfmt_module = NULL; +/*@null@*/ /*@dependent@*/ static const yasm_listfmt_module * + cur_listfmt_module = NULL; +static unsigned int force_strict = 0; +static int warning_error = 0; /* warnings being treated as errors */ +static FILE *errfile; +/*@null@*/ /*@only@*/ static char *error_filename = NULL; +static enum { + EWSTYLE_GNU = 0, + EWSTYLE_VC +} ewmsg_style = EWSTYLE_GNU; + +/*@null@*/ /*@dependent@*/ static FILE *open_file(const char *filename, + const char *mode); +static int check_errors(/*@only@*/ yasm_errwarns *errwarns, + /*@only@*/ yasm_object *object, + /*@only@*/ yasm_linemap *linemap, + /*@only@*/ yasm_preproc *preproc, + /*@only@*/ yasm_arch *arch); +static void cleanup(void); +static void free_input_filenames(void); + +/* Forward declarations: cmd line parser handlers */ +static int opt_special_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_arch_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_parser_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_preproc_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_objfmt_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_dbgfmt_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_listfmt_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_listdir_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_objdir_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_mapdir_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_machine_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_strict_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_warning_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_error_file(char *cmd, /*@null@*/ char *param, int extra); +static int opt_error_stdout(char *cmd, /*@null@*/ char *param, int extra); +static int opt_include_option(char *cmd, /*@null@*/ char *param, int extra); +static int opt_preproc_option(char *cmd, /*@null@*/ char *param, int extra); +static int opt_ewmsg_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_prefix_handler(char *cmd, /*@null@*/ char *param, int extra); +static int opt_suffix_handler(char *cmd, /*@null@*/ char *param, int extra); +#ifdef CMAKE_BUILD +static int opt_plugin_handler(char *cmd, /*@null@*/ char *param, int extra); +#endif + +static /*@only@*/ char *replace_extension(const char *orig, /*@null@*/ + const char *ext); +static void print_error(const char *fmt, ...); + +static /*@exits@*/ void handle_yasm_int_error(const char *file, + unsigned int line, + const char *message); +static /*@exits@*/ void handle_yasm_fatal(const char *message, va_list va); +static const char *handle_yasm_gettext(const char *msgid); +static void print_yasm_error(const char *filename, unsigned long line, + const char *msg, /*@null@*/ const char *xref_fn, + unsigned long xref_line, + /*@null@*/ const char *xref_msg); +static void print_yasm_warning(const char *filename, unsigned long line, + const char *msg); + +static void apply_preproc_builtins(yasm_preproc *preproc); +static void apply_preproc_standard_macros(yasm_preproc *preproc, + const yasm_stdmac *stdmacs); +static void apply_preproc_saved_options(yasm_preproc *preproc); +static void free_preproc_saved_options(void); +static void print_list_keyword_desc(const char *name, const char *keyword); + +/* values for special_options */ +#define SPECIAL_SHOW_HELP 0x01 +#define SPECIAL_SHOW_VERSION 0x02 +#define SPECIAL_SHOW_LICENSE 0x04 +#define SPECIAL_LISTED 0x08 + +/* command line options */ +static opt_option options[] = +{ + { 0, "version", 0, opt_special_handler, SPECIAL_SHOW_VERSION, + N_("show version text"), NULL }, + { 0, "license", 0, opt_special_handler, SPECIAL_SHOW_LICENSE, + N_("show license text"), NULL }, + { 'h', "help", 0, opt_special_handler, SPECIAL_SHOW_HELP, + N_("show help text"), NULL }, + { 'a', "arch", 1, opt_arch_handler, 0, + N_("select architecture (list with -a help)"), N_("arch") }, + { 'p', "parser", 1, opt_parser_handler, 0, + N_("select parser (list with -p help)"), N_("parser") }, + { 'r', "preproc", 1, opt_preproc_handler, 0, + N_("select preprocessor (list with -r help)"), N_("preproc") }, + { 'f', "oformat", 1, opt_objfmt_handler, 0, + N_("select object format (list with -f help)"), N_("format") }, + { 'g', "dformat", 1, opt_dbgfmt_handler, 0, + N_("select debugging format (list with -g help)"), N_("debug") }, + { 'L', "lformat", 1, opt_listfmt_handler, 0, + N_("select list format (list with -L help)"), N_("list") }, + { 'l', "list", 1, opt_listdir_handler, 0, + N_("name of list-file output directory"), N_("pathname") }, + { 'o', "objdir", 1, opt_objdir_handler, 0, + N_("name of object-file output directory"), N_("pathname") }, + { 0, "mapdir", 1, opt_mapdir_handler, 0, + N_("name of map-file output directory"), N_("pathname") }, + { 'm', "machine", 1, opt_machine_handler, 0, + N_("select machine (list with -m help)"), N_("machine") }, + { 0, "force-strict", 0, opt_strict_handler, 0, + N_("treat all sized operands as if `strict' was used"), NULL }, + { 'w', NULL, 0, opt_warning_handler, 1, + N_("inhibits warning messages"), NULL }, + { 'W', NULL, 0, opt_warning_handler, 0, + N_("enables/disables warning"), NULL }, + { 'E', NULL, 1, opt_error_file, 0, + N_("redirect error messages to file"), N_("file") }, + { 's', NULL, 0, opt_error_stdout, 0, + N_("redirect error messages to stdout"), NULL }, + { 'i', NULL, 1, opt_include_option, 0, + N_("add include path"), N_("path") }, + { 'I', NULL, 1, opt_include_option, 0, + N_("add include path"), N_("path") }, + { 'P', NULL, 1, opt_preproc_option, 0, + N_("pre-include file"), N_("filename") }, + { 'd', NULL, 1, opt_preproc_option, 1, + N_("pre-define a macro, optionally to value"), N_("macro[=value]") }, + { 'D', NULL, 1, opt_preproc_option, 1, + N_("pre-define a macro, optionally to value"), N_("macro[=value]") }, + { 'u', NULL, 1, opt_preproc_option, 2, + N_("undefine a macro"), N_("macro") }, + { 'U', NULL, 1, opt_preproc_option, 2, + N_("undefine a macro"), N_("macro") }, + { 'X', NULL, 1, opt_ewmsg_handler, 0, + N_("select error/warning message style (`gnu' or `vc')"), N_("style") }, + { 0, "prefix", 1, opt_prefix_handler, 0, + N_("prepend argument to name of all external symbols"), N_("prefix") }, + { 0, "suffix", 1, opt_suffix_handler, 0, + N_("append argument to name of all external symbols"), N_("suffix") }, + { 0, "postfix", 1, opt_suffix_handler, 0, + N_("append argument to name of all external symbols"), N_("suffix") }, +#ifdef CMAKE_BUILD + { 'N', "plugin", 1, opt_plugin_handler, 0, + N_("load plugin module"), N_("plugin") }, +#endif +}; + +/* version message */ +/*@observer@*/ static const char *version_msg[] = { + PACKAGE_NAME " " PACKAGE_INTVER "." PACKAGE_BUILD, + "Compiled on " __DATE__ ".", + "Copyright (c) 2001-2010 Peter Johnson and other Yasm developers.", + "Run yasm --license for licensing overview and summary." +}; + +/* help messages */ +/*@observer@*/ static const char *help_head = N_( + "usage: vsyasm [option]* file...\n" + "Options:\n"); +/*@observer@*/ static const char *help_tail = N_( + "\n" + "Files are asm sources to be assembled.\n" + "\n" + "Sample invocation:\n" + " vsyasm -f win64 -o objdir source1.asm source2.asm\n" + "\n" + "All options apply to all files.\n" + "\n" + "Report bugs to bug-yasm@tortall.net\n"); + +/* parsed command line storage until appropriate modules have been loaded */ +typedef STAILQ_HEAD(constcharparam_head, constcharparam) constcharparam_head; + +typedef struct constcharparam { + STAILQ_ENTRY(constcharparam) link; + const char *param; + int id; +} constcharparam; + +static constcharparam_head preproc_options; +static constcharparam_head input_files; + +static int +do_assemble(const char *in_filename) +{ + yasm_object *object; + const char *base_filename; + char *fn = NULL; + char *obj_filename, *list_filename = NULL, *map_filename = NULL; + /*@null@*/ FILE *obj = NULL; + yasm_arch_create_error arch_error; + yasm_linemap *linemap; + yasm_arch *arch = NULL; + yasm_preproc *preproc = NULL; + yasm_errwarns *errwarns = yasm_errwarns_create(); + int i, matched; + + /* Initialize line map */ + linemap = yasm_linemap_create(); + yasm_linemap_set(linemap, in_filename, 0, 1, 1); + + /* determine the output filenames */ + /* replace (or add) extension to base filename */ + yasm__splitpath(in_filename, &base_filename); + if (base_filename[0] != '\0') + fn = replace_extension(base_filename, cur_objfmt_module->extension); + if (!fn) + { + print_error(_("could not determine output filename for `%s'"), + in_filename); + return EXIT_FAILURE; + } + obj_filename = yasm__combpath(objdir_pathname, fn); + yasm_xfree(fn); + + if (listdir_pathname) { + fn = replace_extension(base_filename, "lst"); + if (!fn) + { + print_error(_("could not determine list filename for `%s'"), + in_filename); + return EXIT_FAILURE; + } + list_filename = yasm__combpath(listdir_pathname, fn); + yasm_xfree(fn); + } + + if (mapdir_pathname) { + fn = replace_extension(base_filename, "lst"); + if (!fn) + { + print_error(_("could not determine map filename for `%s'"), + in_filename); + return EXIT_FAILURE; + } + map_filename = yasm__combpath(mapdir_pathname, fn); + yasm_xfree(fn); + } + + /* Set up architecture using machine and parser. */ + if (!machine_name) { + /* If we're using x86 and the default objfmt bits is 64, default the + * machine to amd64. When we get more arches with multiple machines, + * we should do this in a more modular fashion. + */ + if (strcmp(cur_arch_module->keyword, "x86") == 0 && + cur_objfmt_module->default_x86_mode_bits == 64) + machine_name = yasm__xstrdup("amd64"); + else + machine_name = + yasm__xstrdup(cur_arch_module->default_machine_keyword); + } + + arch = yasm_arch_create(cur_arch_module, machine_name, + cur_parser_module->keyword, &arch_error); + if (!arch) { + switch (arch_error) { + case YASM_ARCH_CREATE_BAD_MACHINE: + print_error(_("%s: `%s' is not a valid %s for %s `%s'"), + _("FATAL"), machine_name, _("machine"), + _("architecture"), cur_arch_module->keyword); + break; + case YASM_ARCH_CREATE_BAD_PARSER: + print_error(_("%s: `%s' is not a valid %s for %s `%s'"), + _("FATAL"), cur_parser_module->keyword, + _("parser"), _("architecture"), + cur_arch_module->keyword); + break; + default: + print_error(_("%s: unknown architecture error"), _("FATAL")); + } + + return EXIT_FAILURE; + } + + /* Create object */ + object = yasm_object_create(in_filename, obj_filename, arch, + cur_objfmt_module, cur_dbgfmt_module); + if (!object) { + yasm_error_class eclass; + unsigned long xrefline; + /*@only@*/ /*@null@*/ char *estr, *xrefstr; + + yasm_error_fetch(&eclass, &estr, &xrefline, &xrefstr); + print_error("%s: %s", _("FATAL"), estr); + yasm_xfree(estr); + yasm_xfree(xrefstr); + return EXIT_FAILURE; + } + + /* Get a fresh copy of objfmt_module as it may have changed. */ + cur_objfmt_module = ((yasm_objfmt_base *)object->objfmt)->module; + + /* Check to see if the requested preprocessor is in the allowed list + * for the active parser. + */ + matched = 0; + for (i=0; cur_parser_module->preproc_keywords[i]; i++) + if (yasm__strcasecmp(cur_parser_module->preproc_keywords[i], + cur_preproc_module->keyword) == 0) + matched = 1; + if (!matched) { + print_error(_("%s: `%s' is not a valid %s for %s `%s'"), _("FATAL"), + cur_preproc_module->keyword, _("preprocessor"), + _("parser"), cur_parser_module->keyword); + yasm_object_destroy(object); + return EXIT_FAILURE; + } + + if (global_prefix) + yasm_object_set_global_prefix(object, global_prefix); + if (global_suffix) + yasm_object_set_global_suffix(object, global_suffix); + + preproc = yasm_preproc_create(cur_preproc_module, in_filename, + object->symtab, linemap, errwarns); + + apply_preproc_builtins(preproc); + apply_preproc_standard_macros(preproc, cur_parser_module->stdmacs); + apply_preproc_standard_macros(preproc, cur_objfmt_module->stdmacs); + apply_preproc_saved_options(preproc); + + /* Get initial x86 BITS setting from object format */ + if (strcmp(cur_arch_module->keyword, "x86") == 0) { + yasm_arch_set_var(arch, "mode_bits", + cur_objfmt_module->default_x86_mode_bits); + } + + yasm_arch_set_var(arch, "force_strict", force_strict); + + /* Try to enable the map file via a map NASM directive. This is + * somewhat of a hack. + */ + if (map_filename) { + const yasm_directive *dir = &cur_objfmt_module->directives[0]; + matched = 0; + for (; dir && dir->name; dir++) { + if (yasm__strcasecmp(dir->name, "map") == 0 && + yasm__strcasecmp(dir->parser, "nasm") == 0) { + yasm_valparamhead vps; + yasm_valparam *vp; + matched = 1; + yasm_vps_initialize(&vps); + vp = yasm_vp_create_string(NULL, yasm__xstrdup(map_filename)); + yasm_vps_append(&vps, vp); + dir->handler(object, &vps, NULL, 0); + yasm_vps_delete(&vps); + } + } + if (!matched) { + print_error( + _("warning: object format `%s' does not support map files"), + cur_objfmt_module->keyword); + } + } + + /* Parse! */ + cur_parser_module->do_parse(object, preproc, list_filename != NULL, + linemap, errwarns); + + if (check_errors(errwarns, object, linemap, preproc, arch) == EXIT_FAILURE) + return EXIT_FAILURE; + + /* Finalize parse */ + yasm_object_finalize(object, errwarns); + if (check_errors(errwarns, object, linemap, preproc, arch) == EXIT_FAILURE) + return EXIT_FAILURE; + + /* Optimize */ + yasm_object_optimize(object, errwarns); + if (check_errors(errwarns, object, linemap, preproc, arch) == EXIT_FAILURE) + return EXIT_FAILURE; + + /* generate any debugging information */ + yasm_dbgfmt_generate(object, linemap, errwarns); + if (check_errors(errwarns, object, linemap, preproc, arch) == EXIT_FAILURE) + return EXIT_FAILURE; + + /* open the object file for output (if not already opened by dbg objfmt) */ + if (!obj && strcmp(cur_objfmt_module->keyword, "dbg") != 0) { + obj = open_file(obj_filename, "wb"); + if (!obj) { + yasm_preproc_destroy(preproc); + yasm_object_destroy(object); + yasm_linemap_destroy(linemap); + yasm_errwarns_destroy(errwarns); + return EXIT_FAILURE; + } + } + + /* Write the object file */ + yasm_objfmt_output(object, obj?obj:stderr, + strcmp(cur_dbgfmt_module->keyword, "null"), errwarns); + + /* Close object file */ + if (obj) + fclose(obj); + + /* If we had an error at this point, we also need to delete the output + * object file (to make sure it's not left newer than the source). + */ + if (yasm_errwarns_num_errors(errwarns, warning_error) > 0) + remove(obj_filename); + if (check_errors(errwarns, object, linemap, preproc, arch) == EXIT_FAILURE) + return EXIT_FAILURE; + + /* Open and write the list file */ + if (list_filename) { + yasm_listfmt *cur_listfmt; + FILE *list = open_file(list_filename, "wt"); + if (!list) { + yasm_preproc_destroy(preproc); + yasm_object_destroy(object); + yasm_linemap_destroy(linemap); + yasm_errwarns_destroy(errwarns); + return EXIT_FAILURE; + } + /* Initialize the list format */ + cur_listfmt = yasm_listfmt_create(cur_listfmt_module, in_filename, + obj_filename); + yasm_listfmt_output(cur_listfmt, list, linemap, arch); + yasm_listfmt_destroy(cur_listfmt); + fclose(list); + } + + yasm_errwarns_output_all(errwarns, linemap, warning_error, + print_yasm_error, print_yasm_warning); + + yasm_preproc_destroy(preproc); + yasm_object_destroy(object); + yasm_linemap_destroy(linemap); + yasm_errwarns_destroy(errwarns); + + yasm_xfree(obj_filename); + yasm_xfree(map_filename); + yasm_xfree(list_filename); + return EXIT_SUCCESS; +} + +/* main function */ +/*@-globstate -unrecog@*/ +int +main(int argc, char *argv[]) +{ + size_t i; + constcharparam *infile; + + errfile = stderr; + +#if defined(HAVE_SETLOCALE) && defined(HAVE_LC_MESSAGES) + setlocale(LC_MESSAGES, ""); +#endif +#if defined(LOCALEDIR) + bindtextdomain(PACKAGE, LOCALEDIR); +#endif + textdomain(PACKAGE); + + /* Initialize errwarn handling */ + yasm_internal_error_ = handle_yasm_int_error; + yasm_fatal = handle_yasm_fatal; + yasm_gettext_hook = handle_yasm_gettext; + yasm_errwarn_initialize(); + + /* Initialize BitVector (needed for intnum/floatnum). */ + if (BitVector_Boot() != ErrCode_Ok) { + print_error(_("%s: could not initialize BitVector"), _("FATAL")); + return EXIT_FAILURE; + } + + /* Initialize intnum and floatnum */ + yasm_intnum_initialize(); + yasm_floatnum_initialize(); + +#ifdef CMAKE_BUILD + /* Load standard modules */ + if (!load_plugin("yasmstd")) { + print_error(_("%s: could not load standard modules"), _("FATAL")); + return EXIT_FAILURE; + } +#endif + + /* Initialize parameter storage */ + STAILQ_INIT(&preproc_options); + STAILQ_INIT(&input_files); + + if (parse_cmdline(argc, argv, options, NELEMS(options), print_error)) + return EXIT_FAILURE; + + switch (special_options) { + case SPECIAL_SHOW_HELP: + /* Does gettext calls internally */ + help_msg(help_head, help_tail, options, NELEMS(options)); + return EXIT_SUCCESS; + case SPECIAL_SHOW_VERSION: + for (i=0; imachines; + printf(_("Available %s for %s `%s':\n"), _("machines"), + _("architecture"), cur_arch_module->keyword); + while (m->keyword && m->name) { + print_list_keyword_desc(m->name, m->keyword); + m++; + } + return EXIT_SUCCESS; + } + + /* Default to NASM as the parser */ + if (!cur_parser_module) { + cur_parser_module = yasm_load_parser("nasm"); + if (!cur_parser_module) { + print_error(_("%s: could not load default %s"), _("FATAL"), + _("parser")); + cleanup(); + return EXIT_FAILURE; + } + } + + /* If not already specified, default to the parser's default preproc. */ + if (!cur_preproc_module) { + cur_preproc_module = + yasm_load_preproc(cur_parser_module->default_preproc_keyword); + if (!cur_preproc_module) { + print_error(_("%s: could not load default %s"), _("FATAL"), + _("preprocessor")); + cleanup(); + return EXIT_FAILURE; + } + } + + /* Determine input filenames. */ + if (STAILQ_EMPTY(&input_files)) { + print_error(_("No input files specified")); + return EXIT_FAILURE; + } + + /* If list file enabled, make sure we have a list format loaded. */ + if (listdir_pathname) { + /* If not already specified, default to nasm as the list format. */ + if (!cur_listfmt_module) { + cur_listfmt_module = yasm_load_listfmt("nasm"); + if (!cur_listfmt_module) { + print_error(_("%s: could not load default %s"), _("FATAL"), + _("list format")); + return EXIT_FAILURE; + } + } + } + + /* If not already specified, default to null as the debug format. */ + if (!cur_dbgfmt_module) { + cur_dbgfmt_module = yasm_load_dbgfmt("null"); + if (!cur_dbgfmt_module) { + print_error(_("%s: could not load default %s"), _("FATAL"), + _("debug format")); + return EXIT_FAILURE; + } + } + + /* If not already specified, output to the current directory. */ + if (!objdir_pathname) + objdir_pathname = yasm__xstrdup("./"); + + /* Assemble each input file. Terminate on first error. */ + STAILQ_FOREACH(infile, &input_files, link) + { + if (do_assemble(infile->param) == EXIT_FAILURE) { + cleanup(); + return EXIT_FAILURE; + } + } + cleanup(); + return EXIT_SUCCESS; +} +/*@=globstate =unrecog@*/ + +/* Open the object file. Returns 0 on failure. */ +static FILE * +open_file(const char *filename, const char *mode) +{ + FILE *f; + + f = fopen(filename, mode); + if (!f) + print_error(_("could not open file `%s'"), filename); + return f; +} + +static int +check_errors(yasm_errwarns *errwarns, yasm_object *object, + yasm_linemap *linemap, yasm_preproc *preproc, yasm_arch *arch) +{ + if (yasm_errwarns_num_errors(errwarns, warning_error) > 0) { + yasm_errwarns_output_all(errwarns, linemap, warning_error, + print_yasm_error, print_yasm_warning); + yasm_preproc_destroy(preproc); + yasm_object_destroy(object); + yasm_linemap_destroy(linemap); + yasm_errwarns_destroy(errwarns); + return EXIT_FAILURE; + } + return EXIT_SUCCESS; +} + +/* Define DO_FREE to 1 to enable deallocation of all data structures. + * Useful for detecting memory leaks, but slows down execution unnecessarily + * (as the OS will free everything we miss here). + */ +#define DO_FREE 1 + +/* Cleans up all allocated structures. */ +static void +cleanup(void) +{ + if (DO_FREE) { + yasm_floatnum_cleanup(); + yasm_intnum_cleanup(); + + yasm_errwarn_cleanup(); + + BitVector_Shutdown(); + } + + if (DO_FREE) { + free_input_filenames(); + if (objdir_pathname) + yasm_xfree(objdir_pathname); + if (listdir_pathname) + yasm_xfree(listdir_pathname); + if (mapdir_pathname) + yasm_xfree(mapdir_pathname); + if (machine_name) + yasm_xfree(machine_name); + if (objfmt_keyword) + yasm_xfree(objfmt_keyword); + free_preproc_saved_options(); + } + + if (errfile != stderr && errfile != stdout) + fclose(errfile); +#ifdef CMAKE_BUILD + unload_plugins(); +#endif +} + +static void +free_input_filenames(void) +{ + constcharparam *cp, *cpnext; + cp = STAILQ_FIRST(&input_files); + while (cp != NULL) { + cpnext = STAILQ_NEXT(cp, link); + yasm_xfree(cp); + cp = cpnext; + } + STAILQ_INIT(&input_files); +} + +/* + * Command line options handlers + */ +int +not_an_option_handler(char *param) +{ + constcharparam *cp; + cp = yasm_xmalloc(sizeof(constcharparam)); + cp->param = param; + cp->id = 0; + STAILQ_INSERT_TAIL(&input_files, cp, link); + return 0; +} + +int +other_option_handler(char *option) +{ + /* Accept, but ignore, -O and -Onnn, for compatibility with NASM. */ + if (option[0] == '-' && option[1] == 'O') { + int n = 2; + for (;;) { + if (option[n] == '\0') + return 0; + if (!isdigit(option[n])) + return 1; + n++; + } + } + return 1; +} + +static int +opt_special_handler(/*@unused@*/ char *cmd, /*@unused@*/ char *param, int extra) +{ + if (special_options == 0) + special_options = extra; + return 0; +} + +static int +opt_arch_handler(/*@unused@*/ char *cmd, char *param, /*@unused@*/ int extra) +{ + assert(param != NULL); + cur_arch_module = yasm_load_arch(param); + if (!cur_arch_module) { + if (!strcmp("help", param)) { + printf(_("Available yasm %s:\n"), _("architectures")); + yasm_list_arch(print_list_keyword_desc); + special_options = SPECIAL_LISTED; + return 0; + } + print_error(_("%s: unrecognized %s `%s'"), _("FATAL"), + _("architecture"), param); + exit(EXIT_FAILURE); + } + return 0; +} + +static int +opt_parser_handler(/*@unused@*/ char *cmd, char *param, /*@unused@*/ int extra) +{ + assert(param != NULL); + cur_parser_module = yasm_load_parser(param); + if (!cur_parser_module) { + if (!strcmp("help", param)) { + printf(_("Available yasm %s:\n"), _("parsers")); + yasm_list_parser(print_list_keyword_desc); + special_options = SPECIAL_LISTED; + return 0; + } + print_error(_("%s: unrecognized %s `%s'"), _("FATAL"), _("parser"), + param); + exit(EXIT_FAILURE); + } + return 0; +} + +static int +opt_preproc_handler(/*@unused@*/ char *cmd, char *param, /*@unused@*/ int extra) +{ + assert(param != NULL); + cur_preproc_module = yasm_load_preproc(param); + if (!cur_preproc_module) { + if (!strcmp("help", param)) { + printf(_("Available yasm %s:\n"), _("preprocessors")); + yasm_list_preproc(print_list_keyword_desc); + special_options = SPECIAL_LISTED; + return 0; + } + print_error(_("%s: unrecognized %s `%s'"), _("FATAL"), + _("preprocessor"), param); + exit(EXIT_FAILURE); + } + return 0; +} + +static int +opt_objfmt_handler(/*@unused@*/ char *cmd, char *param, /*@unused@*/ int extra) +{ + size_t i; + assert(param != NULL); + cur_objfmt_module = yasm_load_objfmt(param); + if (!cur_objfmt_module) { + if (!strcmp("help", param)) { + printf(_("Available yasm %s:\n"), _("object formats")); + yasm_list_objfmt(print_list_keyword_desc); + special_options = SPECIAL_LISTED; + return 0; + } + print_error(_("%s: unrecognized %s `%s'"), _("FATAL"), + _("object format"), param); + exit(EXIT_FAILURE); + } + if (objfmt_keyword) + yasm_xfree(objfmt_keyword); + objfmt_keyword = yasm__xstrdup(param); + for (i=0; iparam = param; + cp->id = extra; + STAILQ_INSERT_TAIL(&preproc_options, cp, link); + return 0; +} + +static int +opt_ewmsg_handler(/*@unused@*/ char *cmd, char *param, /*@unused@*/ int extra) +{ + if (yasm__strcasecmp(param, "gnu") == 0 || + yasm__strcasecmp(param, "gcc") == 0) { + ewmsg_style = EWSTYLE_GNU; + } else if (yasm__strcasecmp(param, "vc") == 0) { + ewmsg_style = EWSTYLE_VC; + } else + print_error(_("warning: unrecognized message style `%s'"), param); + + return 0; +} + +static int +opt_prefix_handler(/*@unused@*/ char *cmd, char *param, /*@unused@*/ int extra) +{ + if (global_prefix) + yasm_xfree(global_prefix); + + assert(param != NULL); + global_prefix = yasm__xstrdup(param); + + return 0; +} + +static int +opt_suffix_handler(/*@unused@*/ char *cmd, char *param, /*@unused@*/ int extra) +{ + if (global_suffix) + yasm_xfree(global_suffix); + + assert(param != NULL); + global_suffix = yasm__xstrdup(param); + + return 0; +} + +#ifdef CMAKE_BUILD +static int +opt_plugin_handler(/*@unused@*/ char *cmd, char *param, + /*@unused@*/ int extra) +{ + if (!load_plugin(param)) + print_error(_("warning: could not load plugin `%s'"), param); + return 0; +} +#endif + +static void +apply_preproc_builtins(yasm_preproc *preproc) +{ + char *predef; + + /* Define standard YASM assembly-time macro constants */ + predef = yasm_xmalloc(strlen("__YASM_OBJFMT__=") + + strlen(objfmt_keyword) + 1); + strcpy(predef, "__YASM_OBJFMT__="); + strcat(predef, objfmt_keyword); + yasm_preproc_define_builtin(preproc, predef); + yasm_xfree(predef); +} + +static void +apply_preproc_standard_macros(yasm_preproc *preproc, const yasm_stdmac *stdmacs) +{ + int i, matched; + + if (!stdmacs) + return; + + matched = -1; + for (i=0; stdmacs[i].parser; i++) + if (yasm__strcasecmp(stdmacs[i].parser, + cur_parser_module->keyword) == 0 && + yasm__strcasecmp(stdmacs[i].preproc, + cur_preproc_module->keyword) == 0) + matched = i; + if (matched >= 0 && stdmacs[matched].macros) + yasm_preproc_add_standard(preproc, stdmacs[matched].macros); +} + +static void +apply_preproc_saved_options(yasm_preproc *preproc) +{ + constcharparam *cp; + + void (*funcs[3])(yasm_preproc *, const char *); + funcs[0] = cur_preproc_module->add_include_file; + funcs[1] = cur_preproc_module->predefine_macro; + funcs[2] = cur_preproc_module->undefine_macro; + + STAILQ_FOREACH(cp, &preproc_options, link) { + if (0 <= cp->id && cp->id < 3 && funcs[cp->id]) + funcs[cp->id](preproc, cp->param); + } +} + +static void +free_preproc_saved_options(void) +{ + constcharparam *cp, *cpnext; + cp = STAILQ_FIRST(&preproc_options); + while (cp != NULL) { + cpnext = STAILQ_NEXT(cp, link); + yasm_xfree(cp); + cp = cpnext; + } + STAILQ_INIT(&preproc_options); +} + +/* Replace extension on a filename (or append one if none is present). + * If output filename would be identical to input (same extension out as in), + * returns NULL. + * A NULL ext means the trailing '.' should NOT be included, whereas a "" ext + * means the trailing '.' should be included. + */ +static char * +replace_extension(const char *orig, /*@null@*/ const char *ext) +{ + char *out, *outext; + size_t outlen; + + /* allocate enough space for full existing name + extension */ + outlen = strlen(orig) + 2; + if (ext) + outlen += strlen(ext) + 1; + out = yasm_xmalloc(outlen); + + strcpy(out, orig); + outext = strrchr(out, '.'); + if (outext) { + /* Existing extension: make sure it's not the same as the replacement + * (as we don't want to overwrite the source file). + */ + outext++; /* advance past '.' */ + if (ext && strcmp(outext, ext) == 0) { + outext = NULL; /* indicate default should be used */ + print_error(_("file name already ends in `.%s'"), ext); + } + } else { + /* No extension: make sure the output extension is not empty + * (again, we don't want to overwrite the source file). + */ + if (!ext) { + outext = NULL; + print_error(_("file name already has no extension")); + } else { + outext = strrchr(out, '\0'); /* point to end of the string */ + *outext++ = '.'; /* append '.' */ + } + } + + /* replace extension or use default name */ + if (outext) { + if (!ext) { + /* Back up and replace '.' with string terminator */ + outext--; + *outext = '\0'; + } else + strcpy(outext, ext); + } else + return NULL; + + return out; +} + +void +print_list_keyword_desc(const char *name, const char *keyword) +{ + printf("%4s%-12s%s\n", "", keyword, name); +} + +static void +print_error(const char *fmt, ...) +{ + va_list va; + fprintf(errfile, "vsyasm: "); + va_start(va, fmt); + vfprintf(errfile, fmt, va); + va_end(va); + fputc('\n', errfile); +} + +static /*@exits@*/ void +handle_yasm_int_error(const char *file, unsigned int line, const char *message) +{ + fprintf(stderr, _("INTERNAL ERROR at %s, line %u: %s\n"), file, line, + gettext(message)); +#ifdef HAVE_ABORT + abort(); +#else + exit(EXIT_FAILURE); +#endif +} + +static /*@exits@*/ void +handle_yasm_fatal(const char *fmt, va_list va) +{ + fprintf(errfile, "vsyasm: %s: ", _("FATAL")); + vfprintf(errfile, gettext(fmt), va); + fputc('\n', errfile); + exit(EXIT_FAILURE); +} + +static const char * +handle_yasm_gettext(const char *msgid) +{ + return gettext(msgid); +} + +static const char *fmt[2] = { + "%s:%lu: %s%s\n", /* GNU */ + "%s(%lu) : %s%s\n" /* VC */ +}; + +static const char *fmt_noline[2] = { + "%s: %s%s\n", /* GNU */ + "%s : %s%s\n" /* VC */ +}; + +static void +print_yasm_error(const char *filename, unsigned long line, const char *msg, + const char *xref_fn, unsigned long xref_line, + const char *xref_msg) +{ + if (line) + fprintf(errfile, fmt[ewmsg_style], filename, line, _("error: "), msg); + else + fprintf(errfile, fmt_noline[ewmsg_style], filename, _("error: "), msg); + + if (xref_fn && xref_msg) { + if (xref_line) + fprintf(errfile, fmt[ewmsg_style], xref_fn, xref_line, _("error: "), + xref_msg); + else + fprintf(errfile, fmt_noline[ewmsg_style], xref_fn, _("error: "), + xref_msg); + } +} + +static void +print_yasm_warning(const char *filename, unsigned long line, const char *msg) +{ + if (line) + fprintf(errfile, fmt[ewmsg_style], filename, line, _("warning: "), + msg); + else + fprintf(errfile, fmt_noline[ewmsg_style], filename, _("warning: "), + msg); +}