Error messages and low-level interface to malloc also handled here. */
#include "config.h"
-#undef FLOAT /* This is for hpux. They should change hpux. */
-#undef FFS /* Some systems define this in param.h. */
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "line-map.h"
#include "input.h"
#include "tree.h"
+#include "realmpfr.h" /* For GMP/MPFR/MPC versions, in print_version. */
#include "version.h"
#include "rtl.h"
#include "tm_p.h"
#include "regs.h"
#include "timevar.h"
#include "diagnostic.h"
+#include "tree-diagnostic.h"
+#include "tree-pretty-print.h"
#include "params.h"
#include "reload.h"
#include "ira.h"
#include "dwarf2asm.h"
#include "integrate.h"
-#include "real.h"
#include "debug.h"
#include "target.h"
#include "langhooks.h"
#include "hosthooks.h"
#include "cgraph.h"
#include "opts.h"
+#include "opts-diagnostic.h"
#include "coverage.h"
#include "value-prof.h"
#include "alloc-pool.h"
/* Length of line when printing switch values. */
#define MAX_LINE 75
-/* Name of program invoked, sans directories. */
-
-const char *progname;
-
-/* Copy of argument vector to toplev_main. */
-static const char **save_argv;
+/* Decoded options, and number of such options. */
+static struct cl_decoded_option *save_decoded_options;
+static unsigned int save_decoded_options_count;
/* Name of top-level original source file (what was input to cpp).
This comes from the #-command at the beginning of the actual input.
const char *main_input_filename;
/* Used to enable -fvar-tracking, -fweb and -frename-registers according
- to optimize and default_debug_hooks in process_options (). */
+ to optimize in process_options (). */
#define AUTODETECT_VALUE 2
-/* Current position in real source file. */
-
-location_t input_location;
-
-struct line_maps *line_table;
-
/* Name to use as base of names for dump output files. */
const char *dump_base_name;
const struct gcc_debug_hooks *debug_hooks;
-/* Debug hooks - target default. */
-
-static const struct gcc_debug_hooks *default_debug_hooks;
-
/* Other flags saying which kinds of debugging dump have been requested. */
int rtl_dump_and_exit;
if none. */
const char * current_function_func_begin_label;
-/* Nonzero means to collect statistics which might be expensive
- and to print them when we are done. */
-int flag_detailed_statistics = 0;
-
/* A random sequence of characters, unless overridden by user. */
static const char *flag_random_seed;
/* -f flags. */
-/* Nonzero means `char' should be signed. */
-
-int flag_signed_char;
-
-/* Nonzero means give an enum type only as many bytes as it needs. A value
- of 2 means it has not yet been initialized. */
-
-int flag_short_enums;
-
-/* Nonzero if structures and unions should be returned in memory.
-
- This should only be defined if compatibility with another compiler or
- with an ABI is needed, because it results in slower code. */
-
-#ifndef DEFAULT_PCC_STRUCT_RETURN
-#define DEFAULT_PCC_STRUCT_RETURN 1
-#endif
-
-/* Nonzero for -fpcc-struct-return: return values the same way PCC does. */
-
-int flag_pcc_struct_return = DEFAULT_PCC_STRUCT_RETURN;
-
/* 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. */
enum ira_algorithm flag_ira_algorithm = IRA_ALGORITHM_CB;
enum ira_region flag_ira_region = IRA_REGION_MIXED;
-/* Set the default value for -fira-verbose. */
-
-unsigned int flag_ira_verbose = 5;
-
/* Set the default for excess precision. */
enum excess_precision flag_excess_precision_cmdline = EXCESS_PRECISION_DEFAULT;
return old;
}
-/* Decode the string P as an integral parameter.
- If the string is indeed an integer return its numeric value else
- issue an Invalid Option error for the option PNAME and return DEFVAL.
- If PNAME is zero just return DEFVAL, do not call error. */
-
-int
-read_integral_parameter (const char *p, const char *pname, const int defval)
-{
- const char *endp = p;
-
- while (*endp)
- {
- if (ISDIGIT (*endp))
- endp++;
- else
- break;
- }
-
- if (*endp != 0)
- {
- if (pname != 0)
- error ("invalid option argument %qs", pname);
- return defval;
- }
-
- return atoi (p);
-}
-
#if GCC_VERSION < 3004
/* The functions floor_log2 and exact_log2 are defined as inline
{
struct varpool_node *node;
bool needed = true;
- node = varpool_node (decl);
+ node = varpool_get_node (decl);
- if (node->finalized)
+ if (!node && flag_ltrans)
+ needed = false;
+ else if (node && node->finalized)
needed = false;
- else if (node->alias)
+ else if (node && node->alias)
needed = false;
else if (!cgraph_global_info_ready
&& (TREE_USED (decl)
|| TREE_USED (DECL_ASSEMBLER_NAME (decl))))
/* needed */;
- else if (node->needed)
+ else if (node && node->needed)
/* needed */;
else if (DECL_COMDAT (decl))
needed = false;
int i;
/* Avoid confusing the debug information machinery when there are errors. */
- if (errorcount != 0 || sorrycount != 0)
+ if (seen_error ())
return;
timevar_push (TV_SYMOUT);
what's left of the symbol table output. */
timevar_pop (TV_PARSE);
- if (flag_syntax_only)
+ if (flag_syntax_only || flag_wpa)
return;
ggc_protect_identifiers = false;
/* This must also call cgraph_finalize_compilation_unit. */
lang_hooks.decls.final_write_globals ();
- if (errorcount || sorrycount)
+ if (seen_error ())
return;
+ /* Ensure that emulated TLS control vars are finalized and build
+ a static constructor for them, when it is required. */
+ if (!targetm.have_tls)
+ emutls_finish ();
+
varpool_assemble_pending_decls ();
finish_aliases_2 ();
if (flag_mudflap)
mudflap_finish_file ();
- /* Likewise for emulated thread-local storage. */
- if (!targetm.have_tls)
- emutls_finish ();
-
output_shared_constant_pool ();
output_object_blocks ();
{
int pos = 0;
size_t j;
- const char **p;
/* Fill in the -frandom-seed option, if the user didn't pass it, so
that it can be printed below. This helps reproducibility. */
pos = print_single_switch (print_fn, pos,
SWITCH_TYPE_DESCRIPTIVE, _("options passed: "));
- for (p = &save_argv[1]; *p != NULL; p++)
+ for (j = 1; j < save_decoded_options_count; j++)
{
- if (**p == '-')
+ switch (save_decoded_options[j].opt_index)
{
+ case OPT_o:
+ case OPT_d:
+ case OPT_dumpbase:
+ case OPT_dumpdir:
+ case OPT_auxbase:
+ case OPT_quiet:
+ case OPT_version:
/* Ignore these. */
- if (strcmp (*p, "-o") == 0
- || strcmp (*p, "-dumpbase") == 0
- || strcmp (*p, "-dumpdir") == 0
- || strcmp (*p, "-auxbase") == 0)
- {
- if (p[1] != NULL)
- p++;
- continue;
- }
-
- if (strcmp (*p, "-quiet") == 0
- || strcmp (*p, "-version") == 0)
- continue;
-
- if ((*p)[1] == 'd')
- continue;
+ continue;
}
- pos = print_single_switch (print_fn, pos, SWITCH_TYPE_PASSED, *p);
+ pos = print_single_switch (print_fn, pos, SWITCH_TYPE_PASSED,
+ save_decoded_options[j].orig_option_with_args_text);
}
if (pos > 0)
t = va_arg (*text->args_ptr, tree);
break;
+ case 'K':
+ percent_K_format (text);
+ return true;
+
default:
return false;
}
static void *
realloc_for_line_map (void *ptr, size_t len)
{
- return ggc_realloc (ptr, len);
+ return GGC_RESIZEVAR (void, ptr, len);
+}
+
+/* A helper function: used as the allocator function for
+ identifier_to_locale. */
+static void *
+alloc_for_identifier_to_locale (size_t len)
+{
+ return ggc_alloc_atomic (len);
}
/* Initialization of the front end environment, before command line
gcc_init_libintl ();
+ identifier_to_locale_alloc = alloc_for_identifier_to_locale;
+ identifier_to_locale_free = ggc_free;
+
/* Initialize the diagnostics reporting machinery, so option parsing
can give warnings and errors. */
- diagnostic_initialize (global_dc);
+ diagnostic_initialize (global_dc, N_OPTS);
+ diagnostic_starter (global_dc) = default_tree_diagnostic_starter;
/* 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->internal_error = plugins_internal_error_function;
+ global_dc->option_enabled = option_enabled;
+ global_dc->option_name = option_name;
/* Trap fatal signals, e.g. SIGSEGV, and convert them to ICE messages. */
#ifdef SIGSEGV
table. */
init_ggc ();
init_stringpool ();
- line_table = GGC_NEW (struct line_maps);
+ line_table = ggc_alloc_line_maps ();
linemap_init (line_table);
line_table->reallocator = realloc_for_line_map;
init_ttree ();
warn_unused_parameter = (warn_unused && extra_warnings);
if (warn_unused_variable == -1)
warn_unused_variable = warn_unused;
+ /* Wunused-but-set-parameter is enabled if both -Wunused -Wextra are
+ enabled. */
+ if (warn_unused_but_set_parameter == -1)
+ warn_unused_but_set_parameter = (warn_unused && extra_warnings);
+ if (warn_unused_but_set_variable == -1)
+ warn_unused_but_set_variable = warn_unused;
if (warn_unused_value == -1)
warn_unused_value = warn_unused;
so we can correctly initialize debug output. */
no_backend = lang_hooks.post_options (&main_input_filename);
-#ifdef OVERRIDE_OPTIONS
/* Some machines may reject certain combinations of options. */
- OVERRIDE_OPTIONS;
-#endif
+ targetm.target_option.override ();
/* Avoid any informative notes in the second run of -fcompare-debug. */
if (flag_compare_debug)
FILE *final_output = fopen (flag_dump_final_insns, "w");
if (!final_output)
{
- error ("could not open final insn dump file %qs: %s",
- flag_dump_final_insns, strerror (errno));
+ error ("could not open final insn dump file %qs: %m",
+ flag_dump_final_insns);
flag_dump_final_insns = NULL;
}
else if (fclose (final_output))
{
- error ("could not close zeroed insn dump file %qs: %s",
- flag_dump_final_insns, strerror (errno));
+ error ("could not close zeroed insn dump file %qs: %m",
+ flag_dump_final_insns);
flag_dump_final_insns = NULL;
}
}
if (debug_info_level == DINFO_LEVEL_NONE)
write_symbols = NO_DEBUG;
- /* Now we know write_symbols, set up the debug hooks based on it.
- By default we do nothing for debug output. */
- if (PREFERRED_DEBUGGING_TYPE == NO_DEBUG)
- default_debug_hooks = &do_nothing_debug_hooks;
-#if defined(DBX_DEBUGGING_INFO)
- else if (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG)
- default_debug_hooks = &dbx_debug_hooks;
-#endif
-#if defined(XCOFF_DEBUGGING_INFO)
- else if (PREFERRED_DEBUGGING_TYPE == XCOFF_DEBUG)
- default_debug_hooks = &xcoff_debug_hooks;
-#endif
-#ifdef SDB_DEBUGGING_INFO
- else if (PREFERRED_DEBUGGING_TYPE == SDB_DEBUG)
- default_debug_hooks = &sdb_debug_hooks;
-#endif
-#ifdef DWARF2_DEBUGGING_INFO
- else if (PREFERRED_DEBUGGING_TYPE == DWARF2_DEBUG)
- default_debug_hooks = &dwarf2_debug_hooks;
-#endif
-#ifdef VMS_DEBUGGING_INFO
- else if (PREFERRED_DEBUGGING_TYPE == VMS_DEBUG
- || PREFERRED_DEBUGGING_TYPE == VMS_AND_DWARF2_DEBUG)
- default_debug_hooks = &vmsdbg_debug_hooks;
-#endif
-
if (write_symbols == NO_DEBUG)
;
#if defined(DBX_DEBUGGING_INFO)
}
#ifndef HAVE_prefetch
- if (flag_prefetch_loop_arrays)
+ if (flag_prefetch_loop_arrays > 0)
{
warning (0, "-fprefetch-loop-arrays not supported for this target");
flag_prefetch_loop_arrays = 0;
}
#else
- if (flag_prefetch_loop_arrays && !HAVE_prefetch)
+ if (flag_prefetch_loop_arrays > 0 && !HAVE_prefetch)
{
warning (0, "-fprefetch-loop-arrays not supported for this target (try -march switches)");
flag_prefetch_loop_arrays = 0;
/* This combination of options isn't handled for i386 targets and doesn't
make much sense anyway, so don't allow it. */
- if (flag_prefetch_loop_arrays && optimize_size)
+ if (flag_prefetch_loop_arrays > 0 && optimize_size)
{
warning (0, "-fprefetch-loop-arrays is not supported with -Os");
flag_prefetch_loop_arrays = 0;
dump_tree_statistics ();
dump_gimple_statistics ();
dump_rtx_statistics ();
- dump_varray_statistics ();
dump_alloc_pool_statistics ();
dump_bitmap_statistics ();
dump_vec_loc_statistics ();
if (flag_gen_aux_info)
{
fclose (aux_info_file);
- if (errorcount)
+ if (seen_error ())
unlink (aux_info_file_name);
}
process_options ();
/* Don't do any more if an error has already occurred. */
- if (!errorcount)
+ if (!seen_error ())
{
/* This must be run always, because it is needed to compute the FP
predefined macros, such as __LDBL_MAX__, for targets using non
{
expandargv (&argc, &argv);
- save_argv = CONST_CAST2 (const char **, char **, argv);
-
/* Initialization of GCC's environment, and diagnostics. */
general_init (argv[0]);
/* Parse the options and do minimal processing; basically just
enough to default flags appropriately. */
- decode_options (argc, CONST_CAST2 (const char **, char **, argv));
+ decode_options (argc, CONST_CAST2 (const char **, char **, argv),
+ &save_decoded_options, &save_decoded_options_count);
init_local_tick ();
if (warningcount || errorcount)
print_ignored_options ();
+ diagnostic_finish (global_dc);
/* Invoke registered plugin callbacks if any. */
invoke_plugin_callbacks (PLUGIN_FINISH, NULL);
finalize_plugins ();
- if (errorcount || sorrycount)
+ if (seen_error ())
return (FATAL_EXIT_CODE);
return (SUCCESS_EXIT_CODE);