/* Command line option handling. Code involving global state that
should not be shared with the driver.
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2015 Free Software Foundation, Inc.
This file is part of GCC.
#include "diagnostic.h"
#include "opts.h"
#include "flags.h"
-#include "ggc.h"
+#include "alias.h"
+#include "symtab.h"
#include "tree.h" /* Required by langhooks.h. */
+#include "fold-const.h"
+#include "predict.h"
+#include "tm.h"
+#include "hard-reg-set.h"
+#include "function.h"
+#include "basic-block.h"
+#include "tree-ssa-alias.h"
+#include "internal-fn.h"
+#include "gimple-expr.h"
+#include "gimple.h"
#include "langhooks.h"
-#include "tm.h" /* Required by rtl.h. */
#include "rtl.h"
#include "dbgcnt.h"
#include "debug.h"
+#include "cgraph.h"
#include "lto-streamer.h"
#include "output.h"
#include "plugin.h"
#include "toplev.h"
#include "tree-pass.h"
+#include "context.h"
+#include "asan.h"
typedef const char *const_char_p; /* For DEF_VEC_P. */
-DEF_VEC_P(const_char_p);
-DEF_VEC_ALLOC_P(const_char_p,heap);
-static VEC(const_char_p,heap) *ignored_options;
+static vec<const_char_p> ignored_options;
/* Input file names. */
const char **in_fnames;
we only complain about unknown -Wno-* options if they may have
prevented a diagnostic. Otherwise, we just ignore them. Note that
if we do complain, it is only as a warning, not an error; passing
- the compiler an unrecognised -Wno-* option should never change
+ the compiler an unrecognized -Wno-* option should never change
whether the compilation succeeds or fails. */
static void
postpone_unknown_option_warning (const char *opt)
{
- VEC_safe_push (const_char_p, heap, ignored_options, opt);
+ ignored_options.safe_push (opt);
}
/* Produce a warning for each option previously buffered. */
void
print_ignored_options (void)
{
- while (!VEC_empty (const_char_p, ignored_options))
+ while (!ignored_options.is_empty ())
{
const char *opt;
- opt = VEC_pop (const_char_p, ignored_options);
+ opt = ignored_options.pop ();
warning_at (UNKNOWN_LOCATION, 0,
- "unrecognized command line option \"%s\"", opt);
+ "unrecognized command line option %qs", opt);
}
}
return true;
}
-/* Note that an option DECODED has been successfully handled with a
- handler for mask MASK. */
-
-static void
-post_handling_callback (const struct cl_decoded_option *decoded ATTRIBUTE_UNUSED,
- unsigned int mask ATTRIBUTE_UNUSED)
-{
-#ifdef ENABLE_LTO
- lto_register_user_option (decoded->opt_index, decoded->arg,
- decoded->value, mask);
-#endif
-}
-
/* Handle a front-end option; arguments and return value as for
handle_option. */
initial_lang_mask = lang_hooks.option_lang_mask ();
lang_hooks.initialize_diagnostics (global_dc);
+ /* ??? Ideally, we should do this earlier and the FEs will override
+ it if desired (none do it so far). However, the way the FEs
+ construct their pretty-printers means that all previous settings
+ are overriden. */
+ diagnostic_color_init (global_dc);
}
/* Decode command-line options to an array, like
{
handlers->unknown_option_callback = unknown_option_callback;
handlers->wrong_lang_callback = complain_wrong_lang;
- handlers->post_handling_callback = post_handling_callback;
handlers->num_handlers = 3;
handlers->handlers[0].handler = lang_handle_option;
handlers->handlers[0].mask = initial_lang_mask;
set_default_handlers (&handlers);
- /* Enable -Werror=coverage-mismatch by default. */
- control_warning_option (OPT_Wcoverage_mismatch, (int) DK_ERROR, true,
- loc, lang_mask,
- &handlers, opts, opts_set, dc);
-
default_options_optimization (opts, opts_set,
decoded_options, decoded_options_count,
loc, lang_mask, &handlers, dc);
-#ifdef ENABLE_LTO
- /* Clear any options currently held for LTO. */
- lto_clear_user_options ();
-#endif
-
read_cmdline_options (opts, opts_set,
decoded_options, decoded_options_count,
loc, lang_mask,
{
unsigned int i;
cl_deferred_option *opt;
- VEC(cl_deferred_option,heap) *vec
- = (VEC(cl_deferred_option,heap) *) common_deferred_options;
+ vec<cl_deferred_option> v;
+
+ if (common_deferred_options)
+ v = *((vec<cl_deferred_option> *) common_deferred_options);
+ else
+ v = vNULL;
if (flag_dump_all_passed)
enable_rtl_dump_file ();
- FOR_EACH_VEC_ELT (cl_deferred_option, vec, i, opt)
+ if (flag_opt_info)
+ opt_info_switch_p (NULL);
+
+ FOR_EACH_VEC_ELT (v, i, opt)
{
switch (opt->opt_index)
{
break;
case OPT_fdump_:
- if (!dump_switch_p (opt->arg))
+ if (!g->get_dumps ()->dump_switch_p (opt->arg))
error ("unrecognized command line option %<-fdump-%s%>", opt->arg);
break;
+ case OPT_fopt_info_:
+ if (!opt_info_switch_p (opt->arg))
+ error ("unrecognized command line option %<-fopt-info-%s%>",
+ opt->arg);
+ break;
+
+ case OPT_fenable_:
+ case OPT_fdisable_:
+ if (opt->opt_index == OPT_fenable_)
+ enable_pass (opt->arg);
+ else
+ disable_pass (opt->arg);
+ break;
+
case OPT_ffixed_:
/* Deferred. */
fix_register (opt->arg, 1, 1);
stack_limit_rtx = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (opt->arg));
break;
+ case OPT_fasan_shadow_offset_:
+ if (!(flag_sanitize & SANITIZE_KERNEL_ADDRESS))
+ error ("-fasan-shadow-offset should only be used "
+ "with -fsanitize=kernel-address");
+ if (!set_asan_shadow_offset (opt->arg))
+ error ("unrecognized shadow offset %qs", opt->arg);
+ break;
+
+ case OPT_fsanitize_sections_:
+ set_sanitized_sections (opt->arg);
+ break;
+
default:
gcc_unreachable ();
}