#include "system.h"
#include "coretypes.h"
#include "tm.h"
-#include <signal.h>
-
-#ifdef HAVE_SYS_RESOURCE_H
-# include <sys/resource.h>
-#endif
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
static void finalize (void);
static void crash_signal (int) ATTRIBUTE_NORETURN;
-static void setup_core_dumping (void);
static void compile_file (void);
-/* Nonzero to dump debug info whilst parsing (-dy option). */
-static int set_yydebug;
-
/* True if we don't need a backend (e.g. preprocessing only). */
static bool no_backend;
const char *main_input_filename;
+/* Pointer to base name in main_input_filename, with directories and a
+ single final extension removed, and the length of this base
+ name. */
+const char *main_input_basename;
+int main_input_baselength;
+
/* Used to enable -fvar-tracking, -fweb and -frename-registers according
to optimize in process_options (). */
#define AUTODETECT_VALUE 2
-/* Name to use as base of names for dump output files. */
-
-const char *dump_base_name;
-
-/* Directory used for dump output files. */
-
-const char *dump_dir_name;
-
-/* Name to use as a base for auxiliary output files. */
-
-const char *aux_base_name;
-
-/* Prefix for profile data files */
-const char *profile_data_prefix;
-
-/* A mask of target_flags that includes bit X if X was set or cleared
- on the command line. */
-
-int target_flags_explicit;
-
/* Debug hooks - dependent upon command line options. */
const struct gcc_debug_hooks *debug_hooks;
-/* Other flags saying which kinds of debugging dump have been requested. */
-
-int rtl_dump_and_exit;
-int flag_print_asm_name;
-enum graph_dump_types graph_dump_format;
-
-/* Name for output file of assembly code, specified with -o. */
-
-const char *asm_file_name;
-
/* True if this is the lto front end. This is used to disable
gimple generation and lowering passes that are normally run on the
output of a front end. These passes must be bypassed for lto since
bool in_lto_p = false;
-/* Nonzero if we should write GIMPLE bytecode for link-time optimization. */
-
-int flag_generate_lto;
-
/* The FUNCTION_DECL for the function currently being compiled,
or 0 if between functions. */
tree current_function_decl;
/* -f flags. */
-/* 0 means straightforward implementation of complex divide acceptable.
- 1 means wide ranges of inputs must work for complex divide.
- 2 means C99-like requirements for complex multiply and divide. */
-
-int flag_complex_method = 1;
-
-/* Nonzero means we should be saving declaration info into a .X file. */
-
-int flag_gen_aux_info = 0;
-
-/* Specified name of aux-info file. */
-
-const char *aux_info_file_name;
-
-/* Nonzero if we are compiling code for a shared library, zero for
- executable. */
-
-int flag_shlib;
-
/* Generate code for GNU or NeXT Objective-C runtime environment. */
#ifdef NEXT_OBJC_RUNTIME
int flag_next_runtime = 0;
#endif
-/* Set to the default thread-local storage (tls) model to use. */
-
-enum tls_model flag_tls_default = TLS_MODEL_GLOBAL_DYNAMIC;
-
-/* Set the default region and algorithm for the integrated register
- allocator. */
-
-enum ira_algorithm flag_ira_algorithm = IRA_ALGORITHM_CB;
-enum ira_region flag_ira_region = IRA_REGION_MIXED;
-
-/* Set the default for excess precision. */
-
-enum excess_precision flag_excess_precision_cmdline = EXCESS_PRECISION_DEFAULT;
-
-/* Nonzero means change certain warnings into errors.
- Usually these are warnings about failure to conform to some standard. */
-
-int flag_pedantic_errors = 0;
-
/* Nonzero means make permerror produce warnings instead of errors. */
int flag_permissive = 0;
-/* -dA causes debug commentary information to be produced in
- the generated assembly code (to make it more readable). This option
- is generally only of use to those who actually need to read the
- generated assembly code (perhaps while debugging the compiler itself).
- Currently, this switch is only used by dwarfout.c; however, it is intended
- to be a catchall for printing debug information in the assembler file. */
-
-int flag_debug_asm = 0;
-
-/* -dP causes the rtl to be emitted as a comment in assembly. */
-
-int flag_dump_rtl_in_asm = 0;
-
/* When non-NULL, indicates that whenever space is allocated on the
stack, the resulting stack pointer must not pass this
address---that is, for stacks that grow downward, the stack pointer
}
lang_independent_options;
-/* Nonzero if subexpressions must be evaluated from left-to-right. */
-int flag_evaluation_order = 0;
-
/* The user symbol prefix after having resolved same. */
const char *user_label_prefix;
static const param_info lang_independent_params[] = {
#define DEFPARAM(ENUM, OPTION, HELP, DEFAULT, MIN, MAX) \
- { OPTION, DEFAULT, false, MIN, MAX, HELP },
+ { OPTION, DEFAULT, MIN, MAX, HELP },
#include "params.def"
#undef DEFPARAM
- { NULL, 0, false, 0, 0, NULL }
+ { NULL, 0, 0, 0, NULL }
};
/* Output files for assembler code (real compiler output)
internal_error ("%s", strsignal (signo));
}
-/* Arrange to dump core on error. (The regular error message is still
- printed first, except in the case of abort().) */
-
-static void
-setup_core_dumping (void)
-{
-#ifdef SIGABRT
- signal (SIGABRT, SIG_DFL);
-#endif
-#if defined(HAVE_SETRLIMIT)
- {
- struct rlimit rlim;
- if (getrlimit (RLIMIT_CORE, &rlim) != 0)
- fatal_error ("getting core file size maximum limit: %m");
- rlim.rlim_cur = rlim.rlim_max;
- if (setrlimit (RLIMIT_CORE, &rlim) != 0)
- fatal_error ("setting core file size limit to maximum: %m");
- }
-#endif
- diagnostic_abort_on_error (global_dc);
-}
-
-
-/* Strip off a legitimate source ending from the input string NAME of
- length LEN. Rather than having to know the names used by all of
- our front ends, we strip off an ending of a period followed by
- up to five characters. (Java uses ".class".) */
-
-void
-strip_off_ending (char *name, int len)
-{
- int i;
- for (i = 2; i < 6 && len > i; i++)
- {
- if (name[len - i] == '.')
- {
- name[len - i] = '\0';
- break;
- }
- }
-}
-
/* Output a quoted string. */
void
/* Call the parser, which parses the entire file (calling
rest_of_compilation for each function). */
- lang_hooks.parse_file (set_yydebug);
+ lang_hooks.parse_file ();
/* Compilation is now finished except for writing
what's left of the symbol table output. */
targetm.asm_out.file_end ();
}
-/* Parse a -d... command line switch. */
-
-void
-decode_d_option (const char *arg)
-{
- int c;
-
- while (*arg)
- switch (c = *arg++)
- {
- case 'A':
- flag_debug_asm = 1;
- break;
- case 'p':
- flag_print_asm_name = 1;
- break;
- case 'P':
- flag_dump_rtl_in_asm = 1;
- flag_print_asm_name = 1;
- break;
- case 'v':
- graph_dump_format = vcg;
- break;
- case 'x':
- rtl_dump_and_exit = 1;
- break;
- case 'y':
- set_yydebug = 1;
- break;
- case 'D': /* These are handled by the preprocessor. */
- case 'I':
- case 'M':
- case 'N':
- case 'U':
- break;
- case 'H':
- setup_core_dumping();
- break;
- case 'a':
- enable_rtl_dump_file ();
- break;
-
- default:
- warning (0, "unrecognized gcc debugging option: %c", c);
- break;
- }
-}
-
/* Indexed by enum debug_info_type. */
const char *const debug_type_names[] =
{
filename = concat (aux_base_name, ".", ext, NULL);
file = fopen (filename, "w");
if (!file)
- fatal_error ("can't open %s for writing: %m", filename);
+ fatal_error ("can%'t open %s for writing: %m", filename);
free (filename);
return file;
}
/* Set a default printer. Language specific initializations will
override it later. */
pp_format_decoder (global_dc->printer) = &default_tree_printer;
- global_dc->show_option_requested = flag_diagnostics_show_option;
- global_dc->show_column = flag_show_column;
+ global_dc->show_option_requested
+ = global_options_init.x_flag_diagnostics_show_option;
+ global_dc->show_column
+ = global_options_init.x_flag_show_column;
global_dc->internal_error = plugins_internal_error_function;
global_dc->option_enabled = option_enabled;
global_dc->option_state = &global_options;
/* Register the language-independent parameters. */
add_params (lang_independent_params, LAST_PARAM);
+ targetm.target_option.default_params ();
/* This must be done after add_params but before argument processing. */
init_ggc_heuristics();
init_optimization_passes ();
statistics_early_init ();
+ finish_params ();
}
/* Return true if the current target supports -fsection-anchors. */
This can happen with incorrect pre-processed input. */
debug_hooks = &do_nothing_debug_hooks;
+ maximum_field_alignment = initial_max_fld_align * BITS_PER_UNIT;
+
/* This replaces set_Wunused. */
if (warn_unused_function == -1)
warn_unused_function = warn_unused;
if (flag_unroll_all_loops)
flag_unroll_loops = 1;
- /* The loop unrolling code assumes that cse will be run after loop.
- web and rename-registers also help when run after loop unrolling. */
- if (flag_rerun_cse_after_loop == AUTODETECT_VALUE)
- flag_rerun_cse_after_loop = flag_unroll_loops || flag_peel_loops;
-
+ /* web and rename-registers help when run after loop unrolling. */
if (flag_web == AUTODETECT_VALUE)
flag_web = flag_unroll_loops || flag_peel_loops;
flag_var_tracking_uninit = 0;
}
+ /* The debug hooks are used to implement -fdump-go-spec because it
+ gives a simple and stable API for all the information we need to
+ dump. */
+ if (flag_dump_go_spec != NULL)
+ debug_hooks = dump_go_spec_init (flag_dump_go_spec, debug_hooks);
+
/* If the user specifically requested variable tracking with tagging
uninitialized variables, we need to turn on variable tracking.
(We already determined above that variable tracking is feasible.) */
/* Initialization of GCC's environment, and diagnostics. */
general_init (argv[0]);
+ /* One-off initialization of options that does not need to be
+ repeated when options are added for particular functions. */
+ init_options_once ();
+
+ /* Initialize global options structures; this must be repeated for
+ each structure used for parsing options. */
+ init_options_struct (&global_options, &global_options_set);
+ lang_hooks.init_options_struct (&global_options);
+
+ /* Convert the options to an array. */
+ decode_cmdline_options_to_array_default_mask (argc,
+ CONST_CAST2 (const char **,
+ char **, argv),
+ &save_decoded_options,
+ &save_decoded_options_count);
+
+ /* Perform language-specific options initialization. */
+ lang_hooks.init_options (save_decoded_options_count, save_decoded_options);
+
/* Parse the options and do minimal processing; basically just
enough to default flags appropriately. */
- decode_options (argc, CONST_CAST2 (const char **, char **, argv),
- &save_decoded_options, &save_decoded_options_count);
+ decode_options (&global_options, &global_options_set,
+ save_decoded_options, save_decoded_options_count,
+ UNKNOWN_LOCATION, global_dc);
+
+ handle_common_deferred_options ();
init_local_tick ();
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