/* * Copyright (c) 2002, The Tendra Project * All rights reserved. * * 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 unmodified, 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 ``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 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. * * Crown Copyright (c) 1997 * * This TenDRA(r) Computer Program is subject to Copyright * owned by the United Kingdom Secretary of State for Defence * acting through the Defence Evaluation and Research Agency * (DERA). It is made available to Recipients with a * royalty-free licence for its use, reproduction, transfer * to other parties and amendment for any purpose not excluding * product development provided that any such use et cetera * shall be deemed to be acceptance of the following conditions:- * * (1) Its Recipients shall ensure that this Notice is * reproduced upon any copies or amended versions of it; * * (2) Any amended version of it shall be clearly marked to * show both the nature of and the organisation responsible * for the relevant amendment or amendments; * * (3) Its onward transfer from a recipient to another * party shall be deemed to be that party's acceptance of * these conditions; * * (4) DERA gives no warranty or assurance as to its * quality or suitability for any purpose and DERA accepts * no liability whatsoever in relation to any use to which * it may be put. * $TenDRA: tendra/src/tools/tcc/flags.c,v 1.22 2005/10/22 16:50:14 stefanf Exp $ */ #include "config.h" #include "fmm.h" #include "msgcat.h" #include "filename.h" #include "list.h" #include "archive.h" #include "environ.h" #include "flags.h" #include "startup.h" #include "suffix.h" #include "utility.h" /* * STRING VARIABLES * * These variables given various compilation values, including the * location of the main temporary directory. */ char *api_info = "unknown"; char *api_output = API_ANAL_NAME; char *dump_opts = null; char *environ_dir = "."; char *final_name = null; char *machine_name = "unknown"; char *name_E_file = ENDUP_NAME; char *name_h_file = STARTUP_NAME; char *name_j_file = TDF_COMPLEX_NAME; char *name_k_file = C_SPEC_COMPLEX_NAME; char *name_K_file = CPP_SPEC_COMPLEX_NAME; char *name_p_file = TOKDEF_NAME; char *temporary_dir = "/tmp"; char *tokdef_output = null; char *version_flag = ""; /* * INTERNAL OPTIONS * * These variables control the overall behaviour of tcc. For example, * should we be running in verbose mode? */ boolean checker = 0; boolean copyright = 0; boolean dry_run = 0; boolean link_specs = 1; boolean make_up_names = 0; boolean show_api = 0; boolean show_errors = 0; boolean suffix_overrides = 0; boolean taciturn = 0; boolean tool_chain = 0; boolean tool_chain_environ = 0; boolean tidy_up = 0; boolean time_commands = 0; boolean verbose = 0; boolean warnings = 1; /* Should the cmd line args should be rank sorted, or taken as is? */ boolean no_shuffle = 0; /* * COMPILATION CONTROL OPTIONS * * These variables control the main compilation path taken. For example, * should we form a TDF archive? */ boolean make_archive = 0; boolean make_complex = 0; boolean make_preproc = 0; boolean make_pretty = 0; boolean make_tspec = 0; boolean use_assembler = 1; boolean use_mips_assembler = 0; boolean use_alpha_assembler = 0; boolean use_hp_linker = 0; boolean use_dynlink = 0; boolean use_sparc_cc = 0; boolean use_system_cc = 0; boolean allow_cpp = 0; boolean allow_notation = 0; boolean allow_pl_tdf = 0; boolean allow_specs = 0; /* * FILE PRESERVATION AND CONSTRUCTION OPTIONS * * These arrays control the creation and storage of the various file * types. In the keeps array, a nonzero value indicates that any file * of this type which is created should be preserved. In the stops * array, it indicates that the compilation halts at this stage. In * either case, 0 means "false but changeable", 1 means "true but * changeable", and 2 means "true and unchangeable". The special * variable, keep_ofiles, indicates whether all binary object files * should be kept when more than one input file is given (this is for * cc compatibility). The keeps_aux array keeps track of the explicit * file preservation options. These tables need to be kept in step with * Table 1. */ boolean keeps [TYPE_ARRAY_SIZE] = { 0, /* C_SOURCE */ 0, /* PREPROC_C */ 0, /* CPP_SOURCE */ 0, /* PREPROC_CPP */ 0, /* INDEP_TDF */ 0, /* DEP_TDF */ 0, /* AS_SOURCE */ 0, /* PREPROC_AS */ 0, /* BINARY_OBJ */ 2, /* EXECUTABLE */ 1, /* PRETTY_TDF */ 0, /* PL_TDF */ 2, /* TDF_ARCHIVE */ 0, /* MIPS_G_FILE */ 0, /* MIPS_T_FILE */ 0, /* C_SPEC */ 0, /* CPP_SPEC */ 0, /* STARTUP_FILE */ 0, /* UNKNOWN_TYPE */ 0, /* INDEP_TDF_COMPLEX (dummy type) */ 0, /* C_SPEC_1 (dummy type) */ 1, /* C_SPEC_2 (dummy type) */ 0, /* CPP_SPEC_1 (dummy type) */ 1, /* CPP_SPEC_2 (dummy type) */ 0, /* INDEP_TDF_AUX (dummy type) */ 0 /* BINARY_OBJ_AUX (dummy type) */ }; boolean keeps_aux [TYPE_ARRAY_SIZE] = { 0, /* C_SOURCE */ 0, /* PREPROC_C */ 0, /* CPP_SOURCE */ 0, /* PREPROC_CPP */ 0, /* INDEP_TDF */ 0, /* DEP_TDF */ 0, /* AS_SOURCE */ 0, /* PREPROC_AS */ 0, /* BINARY_OBJ */ 0, /* EXECUTABLE */ 0, /* PRETTY_TDF */ 0, /* PL_TDF */ 0, /* TDF_ARCHIVE */ 0, /* MIPS_G_FILE */ 0, /* MIPS_T_FILE */ 0, /* C_SPEC */ 0, /* CPP_SPEC */ 0, /* STARTUP_FILE */ 0, /* UNKNOWN_TYPE */ 0, /* INDEP_TDF_COMPLEX (dummy type) */ 0, /* C_SPEC_1 (dummy type) */ 0, /* C_SPEC_2 (dummy type) */ 0, /* CPP_SPEC_1 (dummy type) */ 0, /* CPP_SPEC_2 (dummy type) */ 0, /* INDEP_TDF_AUX (dummy type) */ 0 /* BINARY_OBJ_AUX (dummy type) */ }; boolean stops [TYPE_ARRAY_SIZE] = { 0, /* C_SOURCE */ 0, /* PREPROC_C */ 0, /* CPP_SOURCE */ 0, /* PREPROC_CPP */ 0, /* INDEP_TDF */ 0, /* DEP_TDF */ 0, /* AS_SOURCE */ 0, /* PREPROC_AS */ 0, /* BINARY_OBJ */ 2, /* EXECUTABLE */ 2, /* PRETTY_TDF */ 0, /* PL_TDF */ 2, /* TDF_ARCHIVE */ 0, /* MIPS_G_FILE */ 0, /* MIPS_T_FILE */ 0, /* C_SPEC */ 0, /* CPP_SPEC */ 0, /* STARTUP_FILE */ 0, /* UNKNOWN_TYPE */ 0, /* INDEP_TDF_COMPLEX (dummy type) */ 0, /* C_SPEC_1 (dummy type) */ 0, /* C_SPEC_2 (dummy type) */ 0, /* CPP_SPEC_1 (dummy type) */ 0, /* CPP_SPEC_2 (dummy type) */ 0, /* INDEP_TDF_AUX (dummy type) */ 0 /* BINARY_OBJ_AUX (dummy type) */ }; static boolean keep_all = 0; static boolean keep_ofiles = 1; /* * INDIVIDUAL OPTIONS * * These flags control those individual executable options which are * not easily integrated into the main scheme of things. */ boolean flag_diag = 0; boolean flag_keep_err = 0; boolean flag_incl = 0; boolean flag_merge_all = 0; boolean flag_nepc = 0; boolean flag_no_files = 0; boolean flag_optim = 0; boolean flag_prof = 0; boolean flag_startup = 1; boolean flag_strip = 0; /* * EXECUTABLES * * These variables give the values of the various executables comprising * the system. For example, exec_produce gives the location of the C to * TDF producer. */ list *exec_produce = null; list *exec_preproc = null; list *exec_cpp_produce = null; list *exec_cpp_preproc = null; list *exec_tdf_link = null; list *exec_translate = null; list *exec_assemble = null; list *exec_assemble_mips = null; list *exec_link = null; list *exec_notation = null; list *exec_pl_tdf = null; list *exec_pretty = null; list *exec_spec_link = null; list *exec_cpp_spec_link = null; list *exec_split_arch = null; list *exec_build_arch = null; list *exec_cat = null; list *exec_cc = null; list *exec_mkdir = null; list *exec_move = null; list *exec_remove = null; list *exec_touch = null; list *exec_dynlink = null; list *exec_dump_anal = null; list *exec_dump_link = null; /* * BUILT-IN OPTIONS * * These lists of options are built into the system, although they may * be altered by environments and command-line options. */ list *std_prod_incldirs = null; list *std_prod_portfile = null; list *std_prod_startdirs = null; list *std_prod_startup = null; list *std_cpp_prod_incldirs = null; list *std_cpp_prod_startdirs = null; list *std_cpp_prod_startup = null; list *std_tdf_link_libdirs = null; list *std_tdf_link_libs = null; list *std_link_crt0 = null; list *std_link_crt1 = null; list *std_link_crtp_n = null; list *std_link_crtn = null; list *std_link_crti = null; list *std_link_libdirs = null; list *std_link_libs = null; list *std_link_c_libs = null; list *std_link_entry = null; /* * COMMAND-LINE OPTIONS * * These lists of options are those specified on the command-line. */ list *usr_prod_incldirs = null; list *usr_prod_foptions = null; list *usr_prod_eoptions = null; list *usr_prod_startup = null; list *usr_cpp_prod_startup = null; list *usr_pl_tdf_incldirs = null; list *usr_tdf_link_libdirs = null; list *usr_tdf_link_libs = null; list *usr_link_libdirs = null; list *usr_link_libs = null; /* * EXECUTABLE OPTIONS * * These lists record the command-line options which are passed * directly to the various executables. */ list *opt_produce = null; list *opt_preproc = null; list *opt_cpp_produce = null; list *opt_cpp_preproc = null; list *opt_tdf_link = null; list *opt_translate = null; list *opt_assemble = null; list *opt_assemble_mips = null; list *opt_dynlink = null; list *opt_link = null; list *opt_notation = null; list *opt_pl_tdf = null; list *opt_pretty = null; list *opt_spec_link = null; list *opt_cpp_spec_link = null; list *opt_dump_anal = null; list *opt_dump_link = null; list *opt_archive = null; list *opt_joiner = null; list *opt_cc = null; list *opt_startup = null; list *opt_endup = null; list *opt_unknown = null; /* * SET A KEEP OR STOP OPTION * * This routine sets a value in the keeps or stops arrays. t gives * the file type (including ALL_TYPES) and k gives the storage command * (see flags.h). */ void set_stage(int t, int k) { if (t == ALL_TYPES) { boolean ks = keeps [STARTUP_FILE]; if (k == STOP_STAGE || k == STOP_ONLY_STAGE) { MSG_illegal_stop_option (); } else if (k == KEEP_STAGE) { int i; for (i = 0; i < ARRAY_SIZE (keeps); i++) { if (keeps [i] == 0) keeps [i] = 1; } keep_all = 1; } else if (k == DONT_KEEP_STAGE) { int i; for (i = 0; i < ARRAY_SIZE (keeps); i++) { if (keeps [i] == 1) keeps [i] = 0; } keep_all = 0; keep_ofiles = 0; } keeps [STARTUP_FILE] = ks; } else { if (k == STOP_STAGE || k == STOP_ONLY_STAGE) { static int last_stop = UNKNOWN_TYPE; if (stops [t] == 0) stops [t] = 1; if (k == STOP_STAGE && keeps [t] == 0) keeps [t] = 1; switch (last_stop) { case UNKNOWN_TYPE : { break; } case INDEP_TDF : case C_SPEC : case CPP_SPEC : { if (t == C_SPEC || t == CPP_SPEC) break; if (t == INDEP_TDF) break; goto default_lab; } case PREPROC_C : case PREPROC_CPP : { if (t == PREPROC_CPP) { break; } goto default_lab; } default : default_lab : { if (t != last_stop) { MSG_more_than_one_stop_option_given (); } break; } } last_stop = t; } else if (k == KEEP_STAGE) { if (keeps [t] == 0) keeps [t] = 1; keeps_aux [t] = 1; if (t == BINARY_OBJ) keep_ofiles = 1; } else if (k == DONT_KEEP_STAGE) { if (keeps [t] == 1) keeps [t] = 0; keeps_aux [t] = 2; if (t == BINARY_OBJ) keep_ofiles = 0; } } return; } /* * SET THE MACHINE NAME * * This routine sets any special flags required by the machine indicated * by machine_name. */ void set_machine(char *arg) { #if 0 char *mach = machine_name; use_assembler = 1; use_mips_assembler = 0; use_alpha_assembler = 0; use_hp_linker = 0; if (streq (mach, "hp") || streq (mach, "hppa")) { use_hp_linker = 1; } else if (streq (mach, "mips")) { use_mips_assembler = 1; } else if (streq (mach, "alpha")) { use_alpha_assembler = 1; } else if (streq (mach, "sparc") || streq (mach, "svr4_sparc")) { use_sparc_cc = 1; } else if (streq (mach, "svr4_i386")) { use_sparc_cc = 2; } else if (streq (mach, "transputer")) { use_assembler = 0; } #endif UNUSED (arg); return; } /* * INITIALISE ALL OPTIONS * * This routine initialises any necessary values before the * command-line options are read. */ void initialise_options(void) { /* Initialise executables */ list *p; exec_produce = make_list ("builtin/undef C_producer"); exec_preproc = make_list ("builtin/undef C_preprocessor"); exec_cpp_produce = make_list ("builtin/undef C++_producer"); exec_cpp_preproc = make_list ("builtin/undef C++_preprocessor"); exec_tdf_link = make_list ("builtin/undef TDF_linker"); exec_translate = make_list ("builtin/undef TDF_translator"); exec_assemble = make_list ("builtin/undef system_assembler"); exec_assemble_mips = make_list ("builtin/undef mips_assembler"); exec_link = make_list ("builtin/undef system_linker"); exec_notation = make_list ("builtin/undef TDF_notation_compiler"); exec_pl_tdf = make_list ("builtin/undef PL_TDF_compiler"); exec_pretty = make_list ("builtin/undef TDF_pretty_printer"); exec_spec_link = make_list ("builtin/undef C_spec_linker"); exec_cpp_spec_link = make_list ("builtin/undef C++_spec_linker"); exec_split_arch = make_list ("builtin/split_archive"); exec_build_arch = make_list ("builtin/build_archive"); exec_cat = make_list ("builtin/cat"); exec_cc = make_list ("builtin/undef system_compiler"); exec_mkdir = make_list ("builtin/mkdir"); exec_move = make_list ("builtin/move"); exec_remove = make_list ("builtin/remove"); exec_touch = make_list ("builtin/touch"); exec_dynlink = make_list ("builtin/undef dynamic_initialiser"); /* Initialise other options */ find_envpath (); for (p = opt_startup; p != null; p = p->next) { add_to_startup (p->item); } for (p = opt_endup; p != null; p = p->next) { add_to_endup (p->item); } if (checker) allow_specs = 1; /* Set the environment file table to null, and zero out counters */ environ_hashtable = NULL; environ_count = 0; return; } /* * UPDATE ALL OPTIONS * * This routine updates the values of the variables above after all the * command-line options have been read. The stops options need to be * kept in step with the general compilation scheme given in compile.c. * Deciding which versions of certain file types to preserve (INDEP_TDF * and C_SPEC in particular) gets pretty messy. */ void update_options(void) { char *mode = null; static boolean done_diag = 0; static boolean done_preproc = 0; static boolean done_prof = 0; static boolean done_time = 0; /* Process archive options */ process_archive_opt (); /* Deal with cc mode */ if (checker) mode = "checker"; if (use_system_cc) { if (!checker) { MSG_using_the_system_C_compiler (); } mode = "system compiler"; } if (mode) { if (make_archive) { MSG_cant_build_tdf_archive_in_mode (mode); stops [INDEP_TDF] = 1; make_archive = 0; } if (make_complex) { MSG_cant_build_tdf_complex_in_mode (mode); make_complex = 0; } if (make_pretty) { MSG_cant_pretty_print_tdf_in_mode (mode); stops [INDEP_TDF] = 1; make_pretty = 0; } allow_notation = 0; allow_pl_tdf = 0; } /* Register extra stops */ if (make_archive) set_stage (TDF_ARCHIVE, STOP_STAGE); if (make_preproc) { set_stage (PREPROC_C, STOP_ONLY_STAGE); set_stage (PREPROC_CPP, STOP_ONLY_STAGE); } if (make_pretty) set_stage (PRETTY_TDF, STOP_STAGE); /* Read special environments etc. */ if (make_preproc && keeps [PREPROC_C] && !done_preproc) { read_env (PREPROC_ENV); done_preproc = 1; } if (flag_diag && !done_diag) { read_env (DIAG_ENV); done_diag = 1; } if (flag_prof && !done_prof) { read_env (PROF_ENV); done_prof = 1; } if (time_commands && !done_time) { read_env (TIME_ENV); done_time = 1; } /* Print API information */ if (show_api) { MSG_api_is (api_info); show_api = 0; } #if 0 /* The option -Fk means stop after producer */ if (stops [C_SPEC] || stops [CPP_SPEC] || stops [PREPROC_C] || stops [PREPROC_CPP]) { stops [INDEP_TDF] = 1; } #endif /* Propagate stop options down */ if (stops [INDEP_TDF]) { stops [INDEP_TDF_COMPLEX] = 1; stops [DEP_TDF] = 1; stops [AS_SOURCE] = 1; stops [BINARY_OBJ] = 1; } else if (stops [DEP_TDF]) { stops [AS_SOURCE] = 1; stops [BINARY_OBJ] = 1; } else if (stops [AS_SOURCE]) { stops [BINARY_OBJ] = 1; } else if (stops [MIPS_G_FILE]) { stops [BINARY_OBJ] = 1; } else if (stops [MIPS_T_FILE]) { stops [BINARY_OBJ] = 1; } /* Check keep options */ if (make_complex) { if (keeps [INDEP_TDF]) { keeps [INDEP_TDF] = keep_all; keeps [INDEP_TDF_COMPLEX] = 1; } if (stops [INDEP_TDF]) { keeps [C_SPEC_1] = 1; keeps [CPP_SPEC_1] = 1; } } if (keeps [C_SPEC]) { if (make_complex) { keeps [C_SPEC] = keep_all; keeps [C_SPEC_1] = 1; } } else { if (keeps_aux [C_SPEC] == 2) { keeps [C_SPEC_1] = 0; keeps [C_SPEC_2] = 0; } } if (keeps [CPP_SPEC]) { if (make_complex) { keeps [CPP_SPEC] = keep_all; keeps [CPP_SPEC_1] = 1; } } else if (keeps_aux [CPP_SPEC] == 2) { keeps [CPP_SPEC_1] = 0; keeps [CPP_SPEC_2] = 0; } if (keep_ofiles && no_input_files > 1 && !make_complex) { keeps [BINARY_OBJ] = 1; } if (keeps_aux [BINARY_OBJ] == 1) { keeps [BINARY_OBJ_AUX] = 1; } if (link_specs) { boolean b; if (checker && !use_system_cc) { if (keeps_aux [BINARY_OBJ]) { b = 1; } else if (stops [BINARY_OBJ] && !stops [AS_SOURCE]) { b = keeps [BINARY_OBJ]; } else { b = 0; } } else { b = keeps [BINARY_OBJ]; } if (b) { if (make_complex) { keeps [C_SPEC_1] = 1; keeps [CPP_SPEC_1] = 1; } else { keeps [C_SPEC] = 1; keeps [CPP_SPEC] = 1; } keeps [BINARY_OBJ_AUX] = 1; } } /* Set checker options */ if (checker) { if (allow_specs == 0) allow_specs = 1; if (!use_system_cc) { stops [C_SPEC_2] = 1; stops [CPP_SPEC_2] = 1; } } /* Print the copyright message if required */ if (copyright) { MSG_crown_copyright (); copyright = 0; } /* A couple of housekeeping routines */ close_startup (); find_envpath (); return; }