X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=main.c;h=6b1a47355e99329d6b22d40a18c28c486a0b1532;hb=ef26133e70bcbc508d2991bafef373f5ca667ff2;hp=85964f0454f92d486e6ac94fe2f674040f1d5f98;hpb=8fbec23ffc79bab8730d7d656a2d98c8c9e74368;p=cparser diff --git a/main.c b/main.c index 85964f0..6b1a473 100644 --- a/main.c +++ b/main.c @@ -121,7 +121,6 @@ static const char *input_encoding; typedef enum lang_standard_t { STANDARD_DEFAULT, /* gnu99 (for C, GCC does gnu89) or gnu++98 (for C++) */ - STANDARD_ANSI, /* c89 (for C) or c++98 (for C++) */ STANDARD_C89, /* ISO C90 (sic) */ STANDARD_C90, /* ISO C90 as modified in amendment 1 */ STANDARD_C99, /* ISO C99 */ @@ -131,8 +130,6 @@ typedef enum lang_standard_t { STANDARD_GNUXX98 /* ISO C++ 1998 plus amendments and GNU extensions */ } lang_standard_t; -static lang_standard_t standard; - typedef struct file_list_entry_t file_list_entry_t; typedef enum filetype_t { @@ -258,7 +255,8 @@ static const char *type_to_string(type_t *type) return get_atomic_kind_name(type->atomic.akind); } -static FILE *preprocess(const char *fname, filetype_t filetype) +static FILE *preprocess(const char *fname, filetype_t filetype, + lang_standard_t standard) { static const char *common_flags = NULL; @@ -302,20 +300,30 @@ static FILE *preprocess(const char *fname, filetype_t filetype) obstack_printf(&cppflags_obst, PREPROCESSOR); } + char const *lang; switch (filetype) { - case FILETYPE_C: - add_flag(&cppflags_obst, "-std=c99"); - break; - case FILETYPE_CXX: - add_flag(&cppflags_obst, "-std=c++98"); - break; - case FILETYPE_ASSEMBLER: - add_flag(&cppflags_obst, "-x"); - add_flag(&cppflags_obst, "assembler-with-cpp"); - break; - default: - break; + case FILETYPE_C: lang = "c"; break; + case FILETYPE_CXX: lang = "c++"; break; + case FILETYPE_ASSEMBLER: lang = "assembler-with-cpp"; break; + default: lang = NULL; break; + } + if (lang) + add_flag(&cppflags_obst, "-x%s", lang); + + char const *std = NULL; + switch (standard) { + case STANDARD_C89: std = "-std=c89"; break; + case STANDARD_C90: std = "-std=iso9899:199409"; break; + case STANDARD_C99: std = "-std=c99"; break; + case STANDARD_GNU89: std = "-std=gnu89"; break; + case STANDARD_GNU99: std = "-std=gnu99"; break; + case STANDARD_CXX98: std = "-std=c++98"; break; + case STANDARD_GNUXX98: std = "-std=gnu++98"; break; + case STANDARD_DEFAULT: panic("invalid standard"); } + if (std) + add_flag(&cppflags_obst, std); + obstack_printf(&cppflags_obst, "%s", common_flags); /* handle dependency generation */ @@ -323,8 +331,8 @@ static FILE *preprocess(const char *fname, filetype_t filetype) add_flag(&cppflags_obst, "-MF"); add_flag(&cppflags_obst, dep_target); if (outname != NULL) { - add_flag(&cppflags_obst, "-MQ"); - add_flag(&cppflags_obst, outname); + add_flag(&cppflags_obst, "-MQ"); + add_flag(&cppflags_obst, outname); } } add_flag(&cppflags_obst, fname); @@ -536,7 +544,7 @@ static void print_cparser_version(void) const char *revision = ir_get_version_revision(); if (revision[0] != 0) { - putchar(' '); + putchar('-'); fputs(revision, stdout); } @@ -550,6 +558,11 @@ static void print_cparser_version(void) "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"); } +static void print_cparser_version_short(void) +{ + puts(cparser_REVISION); +} + static void print_help_basic(const char *argv0) { usage(argv0); @@ -731,18 +744,18 @@ static void print_help_firm(void) typedef enum { HELP_NONE = 0, - HELP_BASIC = 1u << 0, - HELP_PREPROCESSOR = 1u << 1, - HELP_PARSER = 1u << 2, - HELP_WARNINGS = 1u << 3, - HELP_OPTIMIZATION = 1u << 4, - HELP_CODEGEN = 1u << 5, - HELP_LINKER = 1u << 6, - HELP_LANGUAGETOOLS = 1u << 7, - HELP_DEBUG = 1u << 8, - HELP_FIRM = 1u << 9, - - HELP_ALL = (unsigned)-1 + HELP_BASIC = 1 << 0, + HELP_PREPROCESSOR = 1 << 1, + HELP_PARSER = 1 << 2, + HELP_WARNINGS = 1 << 3, + HELP_OPTIMIZATION = 1 << 4, + HELP_CODEGEN = 1 << 5, + HELP_LINKER = 1 << 6, + HELP_LANGUAGETOOLS = 1 << 7, + HELP_DEBUG = 1 << 8, + HELP_FIRM = 1 << 9, + + HELP_ALL = -1 } help_sections_t; static void print_help(const char *argv0, help_sections_t sections) @@ -810,35 +823,18 @@ static filetype_t get_filetype_from_string(const char *string) return FILETYPE_UNKNOWN; } -static bool is_windows_os(const char *os) -{ - return strstr(os, "mingw") != NULL || streq(os, "win32"); -} - -static bool is_unixish_os(const char *os) -{ - return strstr(os, "linux") != NULL || strstr(os, "bsd") != NULL - || streq(os, "solaris"); -} - -static bool is_darwin_os(const char *os) -{ - return streq(os, "darwin"); -} - static bool init_os_support(void) { - const char *os = target_machine->operating_system; wchar_atomic_kind = ATOMIC_TYPE_INT; enable_main_collect2_hack = false; define_intmax_types = false; - if (is_unixish_os(os)) { + if (firm_is_unixish_os(target_machine)) { set_create_ld_ident(create_name_linux_elf); - } else if (is_darwin_os(os)) { + } else if (firm_is_darwin_os(target_machine)) { set_create_ld_ident(create_name_macho); define_intmax_types = true; - } else if (is_windows_os(os)) { + } else if (firm_is_windows_os(target_machine)) { wchar_atomic_kind = ATOMIC_TYPE_USHORT; enable_main_collect2_hack = true; set_create_ld_ident(create_name_win32); @@ -943,8 +939,10 @@ static void init_types_and_adjust(void) /* adjust types as requested by target architecture */ ir_type *type_long_double = be_params->type_long_double; - if (type_long_double != NULL) + if (type_long_double != NULL) { set_typeprops_type(&props[ATOMIC_TYPE_LONG_DOUBLE], type_long_double); + atomic_modes[ATOMIC_TYPE_LONG_DOUBLE] = get_type_mode(type_long_double); + } ir_type *type_long_long = be_params->type_long_long; if (type_long_long != NULL) @@ -955,8 +953,7 @@ static void init_types_and_adjust(void) set_typeprops_type(&props[ATOMIC_TYPE_ULONGLONG], type_unsigned_long_long); /* operating system ABI specifics */ - const char *os = target_machine->operating_system; - if (is_darwin_os(os)) { + if (firm_is_darwin_os(target_machine)) { if (machine_size == 32) { props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4; props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4; @@ -965,7 +962,7 @@ static void init_types_and_adjust(void) props[ATOMIC_TYPE_LONG_DOUBLE].alignment = 16; props[ATOMIC_TYPE_LONG_DOUBLE].struct_alignment = 16; } - } else if (is_windows_os(os)) { + } else if (firm_is_windows_os(target_machine)) { if (machine_size == 64) { /* to ease porting of old c-code microsoft decided to use 32bits * even for long */ @@ -975,7 +972,7 @@ static void init_types_and_adjust(void) /* on windows long double is not supported */ props[ATOMIC_TYPE_LONG_DOUBLE] = props[ATOMIC_TYPE_DOUBLE]; - } else if (is_unixish_os(os)) { + } else if (firm_is_unixish_os(target_machine)) { if (is_ia32_cpu(target_machine->cpu_type)) { /* System V has a broken alignment for double so we have to add * a hack here */ @@ -1010,15 +1007,11 @@ static void init_types_and_adjust(void) /* initialize firm pointer modes */ char name[64]; - ir_mode_sort sort = irms_reference; unsigned bit_size = machine_size; - bool is_signed = 0; - ir_mode_arithmetic arithmetic = irma_twos_complement; unsigned modulo_shift = decide_modulo_shift(bit_size); snprintf(name, sizeof(name), "p%u", machine_size); - ir_mode *ptr_mode = new_ir_mode(name, sort, bit_size, is_signed, arithmetic, - modulo_shift); + ir_mode *ptr_mode = new_reference_mode(name, irma_twos_complement, bit_size, modulo_shift); if (machine_size == 16) { set_reference_mode_signed_eq(ptr_mode, mode_Hs); @@ -1047,8 +1040,6 @@ static void init_types_and_adjust(void) int main(int argc, char **argv) { - firm_early_init(); - const char *dumpfunction = NULL; const char *print_file_name_file = NULL; compile_mode_t mode = CompileAssembleLink; @@ -1097,6 +1088,9 @@ int main(int argc, char **argv) #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0') + /* initialize this early because it has to parse options */ + gen_firm_init(); + /* early options parsing (find out optimization level and OS) */ for (int i = 1; i < argc; ++i) { const char *arg = argv[i]; @@ -1109,9 +1103,6 @@ int main(int argc, char **argv) } } - const char *target = getenv("TARGET"); - if (target != NULL) - parse_target_triple(target); if (target_machine == NULL) { target_machine = firm_get_host_machine(); } @@ -1119,7 +1110,7 @@ int main(int argc, char **argv) setup_target_machine(); /* parse rest of options */ - standard = STANDARD_DEFAULT; + lang_standard_t standard = STANDARD_DEFAULT; unsigned features_on = 0; unsigned features_off = 0; filetype_t forced_filetype = FILETYPE_AUTODETECT; @@ -1133,8 +1124,8 @@ int main(int argc, char **argv) if (option[0] == 'o') { GET_ARG_AFTER(outname, "-o"); } else if (option[0] == 'g') { - set_be_option("debuginfo=stabs"); - set_be_option("omitfp=no"); + /* TODO: parse -gX with 0<=x<=3... */ + set_be_option("debug=frameinfo"); set_be_option("ia32-nooptcc=yes"); } else if (SINGLE_OPTION('c')) { mode = CompileAssemble; @@ -1307,6 +1298,7 @@ int main(int argc, char **argv) streq(opt, "align-loops") || streq(opt, "align-jumps") || streq(opt, "align-functions") || + streq(opt, "unroll-loops") || streq(opt, "PIC") || streq(opt, "stack-protector") || streq(opt, "stack-protector-all")) { @@ -1444,6 +1436,9 @@ int main(int argc, char **argv) int res = be_parse_arg(arch_opt); if (res == 0) argument_errors = true; + } else if (streq(opt, "sse2")) { + /* ignore for now, our x86 backend always uses sse when + * sse is requested */ } else { long int value = strtol(opt, NULL, 10); if (value == 0) { @@ -1463,8 +1458,9 @@ int main(int argc, char **argv) } else if (streq(option, "pg")) { set_be_option("gprof"); add_flag(&ldflags_obst, "-pg"); - } else if (streq(option, "pedantic") || - streq(option, "ansi")) { + } else if (streq(option, "ansi")) { + add_flag(&cppflags_obst, "-ansi"); + } else if (streq(option, "pedantic")) { fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg); } else if (strstart(option, "std=")) { const char *const o = &option[4]; @@ -1485,6 +1481,11 @@ int main(int argc, char **argv) (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard); } else if (streq(option, "version")) { print_cparser_version(); + return EXIT_SUCCESS; + } else if (streq(option, "dumpversion")) { + /* gcc compatibility option */ + print_cparser_version_short(); + return EXIT_SUCCESS; } else if (strstart(option, "print-file-name=")) { GET_ARG_AFTER(print_file_name_file, "-print-file-name="); } else if (option[0] == '-') { @@ -1573,6 +1574,8 @@ int main(int argc, char **argv) mode = CompileDump; } else if (streq(option, "export-ir")) { mode = CompileExportIR; + } else if (streq(option, "unroll-loops")) { + /* ignore (gcc compatibility) */ } else { fprintf(stderr, "error: unknown argument '%s'\n", arg); argument_errors = true; @@ -1660,14 +1663,13 @@ int main(int argc, char **argv) set_be_option("profileuse"); } - gen_firm_init(); init_symbol_table(); init_types_and_adjust(); init_typehash(); init_basic_types(); if (wchar_atomic_kind == ATOMIC_TYPE_INT) init_wchar_types(type_int); - else if (wchar_atomic_kind == ATOMIC_TYPE_SHORT) + else if (wchar_atomic_kind == ATOMIC_TYPE_USHORT) init_wchar_types(type_short); else panic("unexpected wchar type"); @@ -1748,12 +1750,27 @@ int main(int argc, char **argv) file_list_entry_t *file; bool already_constructed_firm = false; for (file = files; file != NULL; file = file->next) { - char asm_tempfile[1024]; - const char *filename = file->name; - filetype_t filetype = file->type; + char asm_tempfile[1024]; + const char *filename = file->name; + filetype_t filetype = file->type; + lang_standard_t file_standard = standard; if (filetype == FILETYPE_OBJECT) continue; + if (file_standard == STANDARD_DEFAULT) { + switch (filetype) { + case FILETYPE_C: + case FILETYPE_PREPROCESSED_C: + file_standard = STANDARD_GNU99; + break; + case FILETYPE_CXX: + case FILETYPE_PREPROCESSED_CXX: + file_standard = STANDARD_GNUXX98; + break; + default: + break; + } + } FILE *in = NULL; if (mode == LexTest) { @@ -1781,7 +1798,8 @@ preprocess: if (in != NULL) panic("internal compiler error: in for preprocessor != NULL"); - preprocessed_in = preprocess(filename, filetype); + preprocessed_in = preprocess(filename, filetype, + file_standard); if (mode == PreprocessOnly) { copy_file(out, preprocessed_in); int pp_result = pclose(preprocessed_in); @@ -1814,44 +1832,42 @@ preprocess: /* preprocess and compile */ if (filetype == FILETYPE_PREPROCESSED_C) { char const* invalid_mode; - switch (standard) { - case STANDARD_ANSI: - case STANDARD_C89: c_mode = _C89; break; - /* TODO determine difference between these two */ - case STANDARD_C90: c_mode = _C89; break; - case STANDARD_C99: c_mode = _C89 | _C99; break; - case STANDARD_GNU89: c_mode = _C89 | _GNUC; break; + switch (file_standard) { + case STANDARD_C89: c_mode = _C89; break; + /* TODO determine difference between these two */ + case STANDARD_C90: c_mode = _C89; break; + case STANDARD_C99: c_mode = _C89 | _C99; break; + case STANDARD_GNU89: c_mode = _C89 | _GNUC; break; default_c_warn: - fprintf(stderr, - "warning: command line option \"-std=%s\" is not valid for C\n", - invalid_mode); - /* FALLTHROUGH */ - case STANDARD_DEFAULT: - case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break; - - case STANDARD_CXX98: invalid_mode = "c++98"; goto default_c_warn; - case STANDARD_GNUXX98: invalid_mode = "gnu98"; goto default_c_warn; + fprintf(stderr, + "warning: command line option \"-std=%s\" is not valid for C\n", + invalid_mode); + /* FALLTHROUGH */ + case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break; + + case STANDARD_CXX98: invalid_mode = "c++98"; goto default_c_warn; + case STANDARD_GNUXX98: invalid_mode = "gnu98"; goto default_c_warn; + case STANDARD_DEFAULT: panic("invalid standard"); } goto do_parsing; } else if (filetype == FILETYPE_PREPROCESSED_CXX) { char const* invalid_mode; - switch (standard) { - case STANDARD_C89: invalid_mode = "c89"; goto default_cxx_warn; - case STANDARD_C90: invalid_mode = "c90"; goto default_cxx_warn; - case STANDARD_C99: invalid_mode = "c99"; goto default_cxx_warn; - case STANDARD_GNU89: invalid_mode = "gnu89"; goto default_cxx_warn; - case STANDARD_GNU99: invalid_mode = "gnu99"; goto default_cxx_warn; + switch (file_standard) { + case STANDARD_C89: invalid_mode = "c89"; goto default_cxx_warn; + case STANDARD_C90: invalid_mode = "c90"; goto default_cxx_warn; + case STANDARD_C99: invalid_mode = "c99"; goto default_cxx_warn; + case STANDARD_GNU89: invalid_mode = "gnu89"; goto default_cxx_warn; + case STANDARD_GNU99: invalid_mode = "gnu99"; goto default_cxx_warn; - case STANDARD_ANSI: - case STANDARD_CXX98: c_mode = _CXX; break; + case STANDARD_CXX98: c_mode = _CXX; break; default_cxx_warn: - fprintf(stderr, - "warning: command line option \"-std=%s\" is not valid for C++\n", - invalid_mode); - case STANDARD_DEFAULT: - case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break; + fprintf(stderr, + "warning: command line option \"-std=%s\" is not valid for C++\n", + invalid_mode); + case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break; + case STANDARD_DEFAULT: panic("invalid standard"); } do_parsing: @@ -1909,6 +1925,7 @@ do_parsing: if (already_constructed_firm) { panic("compiling multiple files/translation units not possible"); } + init_implicit_optimizations(); translation_unit_to_firm(unit); already_constructed_firm = true; timer_pop(t_construct); @@ -1944,18 +1961,25 @@ graph_built: } if (mode == CompileExportIR) { - fclose(out); - ir_export(outname); + ir_export_file(out); + if (ferror(out) != 0) { + fprintf(stderr, "Error while writing to output\n"); + return EXIT_FAILURE; + } return EXIT_SUCCESS; } - gen_firm_finish(asm_out, filename); + generate_code(asm_out, filename); if (asm_out != out) { fclose(asm_out); } } else if (filetype == FILETYPE_IR) { fclose(in); - ir_import(filename); + int res = ir_import(filename); + if (res != 0) { + fprintf(stderr, "Firm-Program import failed\n"); + return EXIT_FAILURE; + } goto graph_built; } else if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) { copy_file(asm_out, in); @@ -2059,6 +2083,7 @@ graph_built: obstack_free(&asflags_obst, NULL); obstack_free(&file_obst, NULL); + gen_firm_finish(); exit_mangle(); exit_ast2firm(); exit_parser();