#include "diagnostic.h"
#include "lang_features.h"
#include "driver/firm_opt.h"
-#include "driver/firm_cmdline.h"
#include "driver/firm_timing.h"
#include "driver/firm_machine.h"
#include "adt/error.h"
#define ASSEMBLER "gcc -c -xassembler"
#endif
-unsigned int c_mode = _C89 | _ANSI | _C99 | _GNUC;
-unsigned int machine_size = 32;
-bool byte_order_big_endian = false;
-bool char_is_signed = true;
-bool strict_mode = false;
-bool use_builtins = false;
-atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT;
-unsigned force_long_double_size = 0;
-bool enable_main_collect2_hack = false;
-bool freestanding = false;
+unsigned int c_mode = _C89 | _ANSI | _C99 | _GNUC;
+bool byte_order_big_endian = false;
+bool strict_mode = false;
+bool enable_main_collect2_hack = false;
+bool freestanding = false;
+unsigned architecture_modulo_shift = 0;
+
+static bool char_is_signed = true;
+static atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT;
static machine_triple_t *target_machine;
static const char *target_triple;
static char dep_target[1024];
static const char *outname;
static bool define_intmax_types;
+static const char *input_encoding;
typedef enum lang_standard_t {
STANDARD_DEFAULT, /* gnu99 (for C, GCC does gnu89) or gnu++98 (for C++) */
panic("filename too long");
}
-#include "gen_builtins.h"
-
static translation_unit_t *do_parsing(FILE *const in, const char *const input_name)
{
start_parsing();
- if (use_builtins) {
- lexer_open_buffer(builtins, sizeof(builtins)-1, "<builtin>");
- parse();
- }
-
- lexer_open_stream(in, input_name);
+ input_t *input = input_from_stream(in, input_encoding);
+ lexer_switch_input(input, input_name);
parse();
-
translation_unit_t *unit = finish_parsing();
+ input_free(input);
+
return unit;
}
static void lextest(FILE *in, const char *fname)
{
- lexer_open_stream(in, fname);
+ input_t *input = input_from_stream(in, input_encoding);
+ lexer_switch_input(input, fname);
do {
lexer_next_preprocessing_token();
print_token(stdout, &lexer_token);
putchar('\n');
- } while (lexer_token.type != T_EOF);
+ } while (lexer_token.kind != T_EOF);
+ input_free(input);
}
static void add_flag(struct obstack *obst, const char *format, ...)
fprintf(stderr, "invoking preprocessor failed\n");
exit(EXIT_FAILURE);
}
- /* we don't really need that anymore */
+ /* we do not really need that anymore */
obstack_free(&cppflags_obst, commandline);
return f;
int fd = mkstemp(buffer);
if (fd == -1) {
- fprintf(stderr, "couldn't create temporary file: %s\n",
+ fprintf(stderr, "could not create temporary file: %s\n",
strerror(errno));
exit(EXIT_FAILURE);
}
FILE *out = fdopen(fd, "w");
if (out == NULL) {
- fprintf(stderr, "couldn't create temporary file FILE*\n");
+ fprintf(stderr, "could not create temporary file FILE*\n");
exit(EXIT_FAILURE);
}
put_help("--help-parser", "Display information about parser options");
put_help("--help-warnings", "Display information about warning options");
put_help("--help-codegen", "Display information about code-generation options");
+ put_help("--help-optimization", "Display information about optimization options");
put_help("--help-linker", "Display information about linker options");
put_help("--help-language-tools", "Display information about language tools options");
put_help("--help-debug", "Display information about compiler debugging options");
put_choice("assembler", "Assembler (no preprocessing)");
put_choice("assembler-with-cpp", "Assembler with preprocessing");
put_choice("none", "Autodetection");
- put_help("-pipe", "ignored (gcc compatibility)");
+ put_help("-pipe", "Ignored (gcc compatibility)");
}
static void print_help_preprocessor(void)
put_help("-I PATH", "");
put_help("-D SYMBOL[=value]", "");
put_help("-U SYMBOL", "");
- put_help("-Wp,OPTION", "pass option directly to preprocessor");
+ put_help("-Wp,OPTION", "Pass option directly to preprocessor");
put_help("-M", "");
put_help("-MD", "");
put_help("-MMD", "");
static void print_help_parser(void)
{
put_help("-finput-charset=CHARSET", "Select encoding of input files");
- put_help("-fmessage-length=LEN", "ignored (gcc compatibility)");
- put_help("-fshort-wchar", "wchar_t is unsigned short instead of int");
- put_help("-fshow-column", "show the column number in diagnostic messages");
- put_help("-funsigned-char", "char is an unsigned type");
+ put_help("-fmessage-length=LEN", "Ignored (gcc compatibility)");
+ put_help("-fshort-wchar", "Type \"wchar_t\" is unsigned short instead of int");
+ put_help("-fshow-column", "Show the column number in diagnostic messages");
+ put_help("-fsigned-char", "Type \"char\" is a signed type");
+ put_help("-funsigned-char", "Type \"char\" is an unsigned type");
put_help("--ms", "Enable msvc extensions");
put_help("--no-ms", "Disable msvc extensions");
put_help("--gcc", "Enable gcc extensions");
put_help("-std=STANDARD", "Specify language standard:");
put_choice("c99", "ISO C99 standard");
put_choice("c89", "ISO C89 standard");
- put_choice("c9x", "deprecated");
+ put_choice("c9x", "Deprecated");
put_choice("c++", "ISO C++ 98");
put_choice("c++98", "ISO C++ 98");
put_choice("gnu99", "ISO C99 + GNU extensions (default)");
put_choice("gnu89", "ISO C89 + GNU extensions");
- put_choice("gnu9x", "deprecated");
+ put_choice("gnu9x", "Deprecated");
put_choice("iso9899:1990", "ISO C89");
put_choice("iso9899:199409", "ISO C90");
put_choice("iso9899:1999", "ISO C99");
- put_choice("iso9899:199x", "deprecated");
- put_help("-pedantic", "ignored (gcc compatibility)");
- put_help("-ansi", "ignored (gcc compatibility)");
+ put_choice("iso9899:199x", "Deprecated");
+ put_help("-pedantic", "Ignored (gcc compatibility)");
+ put_help("-ansi", "Ignored (gcc compatibility)");
put_help("--strict", "Enable strict conformance checking");
}
static void print_help_warnings(void)
{
- put_help("-w", "disable all warnings");
- put_help("-W", "ignored (gcc compatibility)");
- put_help("-Wno-trigraphs", "warn if input contains trigraphs");
- put_help("-Wundef", "Warn if an undefined macro is used in an #if");
+ put_help("-f[no-]diagnostics-show-option", "Show the switch, which controls a warning, after each warning");
+ put_help("-w", "Disable all warnings");
+ put_help("-Wno-trigraphs", "Warn if input contains trigraphs");
+ put_help("-Wundef", "Warn if an undefined macro is used in an #if");
+ put_help("-Wmissing-include-dirs", "Warn about missing user-specified include directories");
+ put_help("-Wendif-labels", "Warn about stray text after #elif and #endif");
+ put_help("-Winit-self", "Ignored (gcc compatibility)");
+ put_help("-Wformat-y2k", "Ignored (gcc compatibility)");
+ put_help("-Wformat-security", "Ignored (gcc compatibility)");
+ put_help("-Wold-style-declaration", "Ignored (gcc compatibility)");
+ put_help("-Wtype-limits", "Ignored (gcc compatibility)");
print_warning_opt_help();
}
-static void print_help_optimisation(void)
+static void print_help_optimization(void)
{
- put_help("-O LEVEL", "select optimisation level (0-4)");
- put_help("-fexpensive-optimizations","ignored (gcc compatibility)");
+ put_help("-O LEVEL", "Select optimization level (0-4)");
+ firm_option_help(put_help);
+ put_help("-fexpensive-optimizations","Ignored (gcc compatibility)");
}
static void print_help_codegeneration(void)
put_help("-g", "Generate debug information");
put_help("-pg", "Instrument code for gnu gprof");
put_help("-fomit-frame-pointer", "Produce code without frame pointer where possible");
- put_help("-ffreestanding", "compile in freestanding mode (see ISO C standard)");
- put_help("-fhosted", "compile in hosted (not freestanding) mode");
+ put_help("-ffreestanding", "Compile in freestanding mode (see ISO C standard)");
+ put_help("-fhosted", "Compile in hosted (not freestanding) mode");
put_help("-fprofile-generate", "Generate instrumented code to collect profile information");
put_help("-fprofile-use", "Use profile information generated by instrumented binaries");
- put_help("-ffp-precise", "precise floating point model");
- put_help("-ffp-fast", "imprecise floating point model");
- put_help("-ffp-strict", "strict floating point model");
- put_help("-ffp-precise", "precise floating point model");
+ put_help("-ffp-precise", "Precise floating point model");
+ put_help("-ffp-fast", "Imprecise floating point model");
+ put_help("-ffp-strict", "Strict floating point model");
put_help("-pthread", "Use pthread threading library");
put_help("-mtarget=TARGET", "Specify target architecture as CPU-manufacturer-OS triple");
- put_help("-mtriple=TARGET", "alias for -mtarget (clang compatibility)");
+ put_help("-mtriple=TARGET", "Alias for -mtarget (clang compatibility)");
put_help("-march=ARCH", "");
put_help("-mtune=ARCH", "");
put_help("-mcpu=CPU", "");
put_help("-mfpmath=", "");
put_help("-mpreferred-stack-boundary=", "");
put_help("-mrtd", "");
- put_help("-mregparm=", "not supported yet");
- put_help("-msoft-float", "not supported yet");
- put_help("-m32", "generate 32bit code");
- put_help("-m64", "generate 64bit code");
- put_help("-fverbose-asm", "ignored (gcc compatibility)");
- put_help("-fjump-tables", "ignored (gcc compatibility)");
- put_help("-fcommon", "ignored (gcc compatibility)");
- put_help("-foptimize-sibling-calls", "ignored (gcc compatibility)");
- put_help("-falign-loops", "ignored (gcc compatibility)");
- put_help("-falign-jumps", "ignored (gcc compatibility)");
- put_help("-falign-functions", "ignored (gcc compatibility)");
- put_help("-fPIC", "ignored (gcc compatibility)");
- put_help("-ffast-math", "same as fp-fast (gcc compatibility)");
+ put_help("-mregparm=", "Not supported yet");
+ put_help("-msoft-float", "Not supported yet");
+ put_help("-m32", "Generate 32bit code");
+ put_help("-m64", "Generate 64bit code");
+ put_help("-fverbose-asm", "Ignored (gcc compatibility)");
+ put_help("-fjump-tables", "Ignored (gcc compatibility)");
+ put_help("-fcommon", "Ignored (gcc compatibility)");
+ put_help("-foptimize-sibling-calls", "Ignored (gcc compatibility)");
+ put_help("-falign-loops", "Ignored (gcc compatibility)");
+ put_help("-falign-jumps", "Ignored (gcc compatibility)");
+ put_help("-falign-functions", "Ignored (gcc compatibility)");
+ put_help("-fPIC", "Ignored (gcc compatibility)");
+ put_help("-ffast-math", "Same as -ffp-fast (gcc compatibility)");
puts("");
puts("\tMost of these options can be used with a no- prefix to disable them");
- puts("\ti.e. -fno-signed-char");
+ puts("\te.g. -fno-omit-frame-pointer");
}
static void print_help_linker(void)
{
put_help("-l LIBRARY", "");
put_help("-L PATH", "");
+ put_help("-s", "Do not produce symbol table and relocation information");
put_help("-shared", "Produce a shared library");
put_help("-static", "Produce statically linked binary");
- put_help("-Wl,OPTION", "pass option directly to linker");
+ put_help("-Wl,OPTION", "Pass option directly to linker");
}
static void print_help_debug(void)
static void print_help_firm(void)
{
- put_help("-bOPTION", "directly pass option to libFirm backend");
+ put_help("-bOPTION", "Directly pass option to libFirm backend");
int res = be_parse_arg("help");
(void) res;
assert(res);
HELP_PREPROCESSOR = 1u << 1,
HELP_PARSER = 1u << 2,
HELP_WARNINGS = 1u << 3,
- HELP_OPTIMISATION = 1u << 4,
+ HELP_OPTIMIZATION = 1u << 4,
HELP_CODEGEN = 1u << 5,
HELP_LINKER = 1u << 6,
HELP_LANGUAGETOOLS = 1u << 7,
if (sections & HELP_PREPROCESSOR) print_help_preprocessor();
if (sections & HELP_PARSER) print_help_parser();
if (sections & HELP_WARNINGS) print_help_warnings();
- if (sections & HELP_OPTIMISATION) print_help_optimisation();
+ if (sections & HELP_OPTIMIZATION) print_help_optimization();
if (sections & HELP_CODEGEN) print_help_codegeneration();
if (sections & HELP_LINKER) print_help_linker();
if (sections & HELP_LANGUAGETOOLS) print_help_language_tools();
while (!feof(input) && !ferror(dest)) {
size_t read = fread(buf, 1, sizeof(buf), input);
if (fwrite(buf, 1, read, dest) != read) {
- perror("couldn't write output");
+ perror("could not write output");
}
}
}
FILE *in = fopen(filename, "r");
if (in == NULL) {
- fprintf(stderr, "Couldn't open '%s': %s\n", filename,
+ fprintf(stderr, "Could not open '%s': %s\n", filename,
strerror(errno));
exit(EXIT_FAILURE);
}
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;
- force_long_double_size = 0;
enable_main_collect2_hack = false;
define_intmax_types = false;
- if (strstr(os, "linux") != NULL || strstr(os, "bsd") != NULL
- || streq(os, "solaris")) {
+ if (is_unixish_os(os)) {
set_create_ld_ident(create_name_linux_elf);
- } else if (streq(os, "darwin")) {
- force_long_double_size = 16;
+ } else if (is_darwin_os(os)) {
set_create_ld_ident(create_name_macho);
define_intmax_types = true;
- } else if (strstr(os, "mingw") != NULL || streq(os, "win32")) {
+ } else if (is_windows_os(os)) {
wchar_atomic_kind = ATOMIC_TYPE_USHORT;
enable_main_collect2_hack = true;
set_create_ld_ident(create_name_win32);
return true;
}
-static void setup_target_machine(void)
+static unsigned decide_modulo_shift(unsigned type_size)
+{
+ if (architecture_modulo_shift == 0)
+ return 0;
+ if (type_size < architecture_modulo_shift)
+ return architecture_modulo_shift;
+ return type_size;
+}
+
+static bool is_ia32_cpu(const char *architecture)
+{
+ return streq(architecture, "i386")
+ || streq(architecture, "i486")
+ || streq(architecture, "i586")
+ || streq(architecture, "i686")
+ || streq(architecture, "i786");
+}
+
+static const char *setup_isa_from_tripel(const machine_triple_t *machine)
+{
+ const char *cpu = machine->cpu_type;
+
+ if (is_ia32_cpu(cpu)) {
+ return "ia32";
+ } else if (streq(cpu, "x86_64")) {
+ return "amd64";
+ } else if (streq(cpu, "sparc")) {
+ return "sparc";
+ } else if (streq(cpu, "arm")) {
+ return "arm";
+ } else {
+ fprintf(stderr, "Unknown cpu '%s' in target-triple\n", cpu);
+ return NULL;
+ }
+}
+
+static const char *setup_target_machine(void)
{
if (!setup_firm_for_machine(target_machine))
exit(1);
+
+ const char *isa = setup_isa_from_tripel(target_machine);
+
+ if (isa == NULL)
+ exit(1);
+
init_os_support();
+
+ return isa;
+}
+
+/**
+ * initialize cparser type properties based on a firm type
+ */
+static void set_typeprops_type(atomic_type_properties_t* props, ir_type *type)
+{
+ props->size = get_type_size_bytes(type);
+ props->alignment = get_type_alignment_bytes(type);
+ props->struct_alignment = props->alignment;
+}
+
+/**
+ * Copy atomic type properties except the integer conversion rank
+ */
+static void copy_typeprops(atomic_type_properties_t *dest,
+ const atomic_type_properties_t *src)
+{
+ dest->size = src->size;
+ dest->alignment = src->alignment;
+ dest->struct_alignment = src->struct_alignment;
+ dest->flags = src->flags;
+}
+
+static void init_types_and_adjust(void)
+{
+ const backend_params *be_params = be_get_backend_param();
+ unsigned machine_size = be_params->machine_size;
+ init_types(machine_size);
+
+ atomic_type_properties_t *props = atomic_type_properties;
+
+ /* adjust types as requested by target architecture */
+ ir_type *type_long_double = be_params->type_long_double;
+ if (type_long_double != NULL)
+ set_typeprops_type(&props[ATOMIC_TYPE_LONG_DOUBLE], type_long_double);
+
+ ir_type *type_long_long = be_params->type_long_long;
+ if (type_long_long != NULL)
+ set_typeprops_type(&props[ATOMIC_TYPE_LONGLONG], type_long_long);
+
+ ir_type *type_unsigned_long_long = be_params->type_unsigned_long_long;
+ if (type_unsigned_long_long != NULL)
+ 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 (machine_size == 32) {
+ props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
+ props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
+ props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
+ props[ATOMIC_TYPE_LONG_DOUBLE].size = 16;
+ props[ATOMIC_TYPE_LONG_DOUBLE].alignment = 16;
+ props[ATOMIC_TYPE_LONG_DOUBLE].struct_alignment = 16;
+ }
+ } else if (is_windows_os(os)) {
+ if (machine_size == 64) {
+ /* to ease porting of old c-code microsoft decided to use 32bits
+ * even for long */
+ props[ATOMIC_TYPE_LONG] = props[ATOMIC_TYPE_INT];
+ props[ATOMIC_TYPE_ULONG] = props[ATOMIC_TYPE_UINT];
+ }
+
+ /* on windows long double is not supported */
+ props[ATOMIC_TYPE_LONG_DOUBLE] = props[ATOMIC_TYPE_DOUBLE];
+ } else if (is_unixish_os(os)) {
+ if (is_ia32_cpu(target_machine->cpu_type)) {
+ /* System V has a broken alignment for double so we have to add
+ * a hack here */
+ props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
+ props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
+ props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
+ }
+ }
+
+ /* stuff decided after processing operating system specifics and
+ * commandline flags */
+ if (char_is_signed) {
+ props[ATOMIC_TYPE_CHAR].flags |= ATOMIC_TYPE_FLAG_SIGNED;
+ } else {
+ props[ATOMIC_TYPE_CHAR].flags &= ~ATOMIC_TYPE_FLAG_SIGNED;
+ }
+ /* copy over wchar_t properties (including rank) */
+ props[ATOMIC_TYPE_WCHAR_T] = props[wchar_atomic_kind];
+
+ /* initialize defaults for unsupported types */
+ if (type_long_long == NULL) {
+ copy_typeprops(&props[ATOMIC_TYPE_LONGLONG], &props[ATOMIC_TYPE_LONG]);
+ }
+ if (type_unsigned_long_long == NULL) {
+ copy_typeprops(&props[ATOMIC_TYPE_ULONGLONG],
+ &props[ATOMIC_TYPE_ULONG]);
+ }
+ if (type_long_double == NULL) {
+ copy_typeprops(&props[ATOMIC_TYPE_LONG_DOUBLE],
+ &props[ATOMIC_TYPE_DOUBLE]);
+ }
+
+ /* 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);
+
+ if (machine_size == 16) {
+ set_reference_mode_signed_eq(ptr_mode, mode_Hs);
+ set_reference_mode_unsigned_eq(ptr_mode, mode_Hu);
+ } else if (machine_size == 32) {
+ set_reference_mode_signed_eq(ptr_mode, mode_Is);
+ set_reference_mode_unsigned_eq(ptr_mode, mode_Iu);
+ } else if (machine_size == 64) {
+ set_reference_mode_signed_eq(ptr_mode, mode_Ls);
+ set_reference_mode_unsigned_eq(ptr_mode, mode_Lu);
+ } else {
+ panic("strange machine_size when determining pointer modes");
+ }
+
+ /* Hmm, pointers should be machine size */
+ set_modeP_data(ptr_mode);
+ set_modeP_code(ptr_mode);
+
+ byte_order_big_endian = be_params->byte_order_big_endian;
+ if (be_params->modulo_shift_efficient) {
+ architecture_modulo_shift = machine_size;
+ } else {
+ architecture_modulo_shift = 0;
+ }
}
int main(int argc, char **argv)
obstack_init(&file_obst);
#define GET_ARG_AFTER(def, args) \
+ do { \
def = &arg[sizeof(args)-1]; \
- if (def[0] == '\0') { \
+ if (def[0] == '\0') { \
++i; \
- if (i >= argc) { \
+ if (i >= argc) { \
fprintf(stderr, "error: expected argument after '" args "'\n"); \
argument_errors = true; \
break; \
} \
def = argv[i]; \
- if (def[0] == '-' && def[1] != '\0') { \
+ if (def[0] == '-' && def[1] != '\0') { \
fprintf(stderr, "error: expected argument after '" args "'\n"); \
argument_errors = true; \
continue; \
} \
- }
+ } \
+ } while (0)
#define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
- /* early options parsing (find out optimisation level and OS) */
+ /* early options parsing (find out optimization level and OS) */
for (int i = 1; i < argc; ++i) {
const char *arg = argv[i];
if (arg[0] != '-')
mode = CompileAssemble;
} else if (SINGLE_OPTION('E')) {
mode = PreprocessOnly;
+ } else if (SINGLE_OPTION('s')) {
+ add_flag(&ldflags_obst, "-s");
} else if (SINGLE_OPTION('S')) {
mode = Compile;
} else if (option[0] == 'O') {
} else if (SINGLE_OPTION('v')) {
verbose = 1;
} else if (SINGLE_OPTION('w')) {
- memset(&warning, 0, sizeof(warning));
+ add_flag(&cppflags_obst, "-w");
+ disable_all_warnings();
} else if (option[0] == 'x') {
const char *opt;
GET_ARG_AFTER(opt, "-x");
if (strstart(orig_opt, "input-charset=")) {
char const* const encoding = strchr(orig_opt, '=') + 1;
- select_input_encoding(encoding);
+ input_encoding = encoding;
} else if (strstart(orig_opt, "align-loops=") ||
strstart(orig_opt, "align-jumps=") ||
strstart(orig_opt, "align-functions=")) {
fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
} else if (strstart(orig_opt, "visibility=")) {
- const char *arg = strchr(orig_opt, '=')+1;
+ const char *val = strchr(orig_opt, '=')+1;
elf_visibility_tag_t visibility
- = get_elf_visibility_from_string(arg);
+ = get_elf_visibility_from_string(val);
if (visibility == ELF_VISIBILITY_ERROR) {
fprintf(stderr, "invalid visibility '%s' specified\n",
- arg);
+ val);
argument_errors = true;
} else {
set_default_visibility(visibility);
}
} else if (strstart(orig_opt, "message-length=")) {
/* ignore: would only affect error message format */
+ } else if (streq(orig_opt, "fast-math") ||
+ streq(orig_opt, "fp-fast")) {
+ firm_fp_model = fp_model_fast;
+ } else if (streq(orig_opt, "fp-precise")) {
+ firm_fp_model = fp_model_precise;
+ } else if (streq(orig_opt, "fp-strict")) {
+ firm_fp_model = fp_model_strict;
+ } else if (streq(orig_opt, "help")) {
+ fprintf(stderr, "warning: -fhelp is deprecated\n");
+ help |= HELP_OPTIMIZATION;
} else {
/* -f options which have an -fno- variant */
char const *opt = orig_opt;
opt += 3;
}
- if (streq(opt, "builtins")) {
- use_builtins = truth_value;
+ if (streq(opt, "diagnostics-show-option")) {
+ diagnostics_show_option = truth_value;
} else if (streq(opt, "dollars-in-identifiers")) {
allow_dollar_in_symbol = truth_value;
} else if (streq(opt, "omit-frame-pointer")) {
} else if (streq(opt, "signed-char")) {
char_is_signed = truth_value;
} else if (streq(opt, "strength-reduce")) {
- firm_option(truth_value ? "strength-red" : "no-strength-red");
+ /* does nothing, for gcc compatibility (even gcc does
+ * nothing for this switch anymore) */
} else if (streq(opt, "syntax-only")) {
mode = truth_value ? ParseOnly : CompileAssembleLink;
} else if (streq(opt, "unsigned-char")) {
profile_use = truth_value;
} else if (!truth_value &&
streq(opt, "asynchronous-unwind-tables")) {
- /* nothing todo, a gcc feature which we don't support
+ /* nothing todo, a gcc feature which we do not support
* anyway was deactivated */
} else if (streq(opt, "verbose-asm")) {
/* ignore: we always print verbose assembler */
- } else if (streq(opt, "fast-math") || streq(opt, "fp-fast")) {
- firm_fp_model = fp_model_fast;
- } else if (streq(opt, "fp-precise")) {
- firm_fp_model = fp_model_precise;
- } else if (streq(opt, "fp-strict")) {
- firm_fp_model = fp_model_strict;
} else if (streq(opt, "jump-tables") ||
streq(opt, "expensive-optimizations") ||
streq(opt, "common") ||
streq(opt, "align-loops") ||
streq(opt, "align-jumps") ||
streq(opt, "align-functions") ||
- streq(opt, "PIC")) {
+ streq(opt, "PIC") ||
+ streq(opt, "stack-protector") ||
+ streq(opt, "stack-protector-all")) {
fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
- } else if (streq(opt, "help")) {
- fprintf(stderr, "warning: -fhelp is deprecated\n");
- help |= HELP_FIRM;
} else {
int res = firm_option(orig_opt);
if (res == 0) {
}
}
} else if (option[0] == 'W') {
- if (option[1] == '\0') {
- /* ignore -W, our defaults are already quite verbose */
- } else if (strstart(option + 1, "p,")) {
+ if (strstart(option + 1, "p,")) {
// pass options directly to the preprocessor
const char *opt;
GET_ARG_AFTER(opt, "-Wp,");
GET_ARG_AFTER(opt, "-Wl,");
add_flag(&ldflags_obst, "-Wl,%s", opt);
} else if (streq(option + 1, "no-trigraphs")
- || streq(option + 1, "undef")) {
+ || streq(option + 1, "undef")
+ || streq(option + 1, "missing-include-dirs")
+ || streq(option + 1, "endif-labels")) {
add_flag(&cppflags_obst, "%s", arg);
+ } else if (streq(option+1, "init-self")) {
+ /* ignored (same as gcc does) */
+ } else if (streq(option+1, "format-y2k")
+ || streq(option+1, "format-security")
+ || streq(option+1, "old-style-declaration")
+ || streq(option+1, "type-limits")) {
+ /* ignore (gcc compatibility) */
} else {
set_warning_opt(&option[1]);
}
if (!parse_target_triple(opt)) {
argument_errors = true;
} else {
- setup_target_machine();
+ const char *isa = setup_target_machine();
+ strncpy(cpu_arch, isa, sizeof(cpu_arch));
target_triple = opt;
}
} else if (strstart(opt, "triple=")) {
if (!parse_target_triple(opt)) {
argument_errors = true;
} else {
- setup_target_machine();
+ const char *isa = setup_target_machine();
+ strncpy(cpu_arch, isa, sizeof(cpu_arch));
target_triple = opt;
}
} else if (strstart(opt, "arch=")) {
GET_ARG_AFTER(opt, "-march=");
snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
int res = be_parse_arg(arch_opt);
+ snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
+ res &= be_parse_arg(arch_opt);
+
if (res == 0) {
fprintf(stderr, "Unknown architecture '%s'\n", arch_opt);
argument_errors = true;
- } else {
- snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
- int res = be_parse_arg(arch_opt);
- if (res == 0)
- argument_errors = true;
}
} else if (strstart(opt, "tune=")) {
GET_ARG_AFTER(opt, "-mtune=");
else if (streq(opt, "sse"))
opt = "sse2";
else {
- fprintf(stderr, "error: option -mfpumath supports only 387 or sse\n");
+ fprintf(stderr, "error: option -mfpmath supports only 387 or sse\n");
argument_errors = true;
}
if (!argument_errors) {
fprintf(stderr, "error: regparm convention not supported yet\n");
argument_errors = true;
} else if (streq(opt, "soft-float")) {
- fprintf(stderr, "error: software floatingpoint not supported yet\n");
- argument_errors = true;
+ add_flag(&ldflags_obst, "-msoft-float");
+ snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=softfloat", cpu_arch);
+ int res = be_parse_arg(arch_opt);
+ if (res == 0)
+ argument_errors = true;
} else {
long int value = strtol(opt, NULL, 10);
if (value == 0) {
fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
argument_errors = true;
} else {
- machine_size = (unsigned int)value;
+ unsigned machine_size = (unsigned)value;
+ /* TODO: choose/change backend based on this */
add_flag(&cppflags_obst, "-m%u", machine_size);
add_flag(&asflags_obst, "-m%u", machine_size);
add_flag(&ldflags_obst, "-m%u", machine_size);
help |= HELP_CODEGEN;
} else if (streq(option, "help-linker")) {
help |= HELP_LINKER;
+ } else if (streq(option, "help-optimization")) {
+ help |= HELP_OPTIMIZATION;
} else if (streq(option, "help-language-tools")) {
help |= HELP_LANGUAGETOOLS;
} else if (streq(option, "help-debug")) {
}
gen_firm_init();
- byte_order_big_endian = be_get_backend_param()->byte_order_big_endian;
init_symbol_table();
- init_types();
+ 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)
+ init_wchar_types(type_short);
+ else
+ panic("unexpected wchar type");
init_lexer();
init_ast();
init_parser();
} else {
out = fopen(outname, "w");
if (out == NULL) {
- fprintf(stderr, "Couldn't open '%s' for writing: %s\n", outname,
+ fprintf(stderr, "Could not open '%s' for writing: %s\n", outname,
strerror(errno));
return EXIT_FAILURE;
}
preprocessed_in = preprocess(filename, filetype);
if (mode == PreprocessOnly) {
copy_file(out, preprocessed_in);
- int result = pclose(preprocessed_in);
+ int pp_result = pclose(preprocessed_in);
fclose(out);
/* remove output file in case of error */
- if (out != stdout && result != EXIT_SUCCESS) {
+ if (out != stdout && pp_result != EXIT_SUCCESS) {
unlink(outname);
}
- return result;
+ return pp_result;
}
in = preprocessed_in;
projects / cparser / blobdiff