/* Command line option handling.
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Neil Booth.
unsigned num_in_fnames;
static int common_handle_option (size_t scode, const char *arg, int value,
- unsigned int lang_mask);
+ unsigned int lang_mask, int kind);
static void handle_param (const char *);
-static unsigned int handle_option (const char **argv, unsigned int lang_mask);
static char *write_langs (unsigned int lang_mask);
static void complain_wrong_lang (const char *, const struct cl_option *,
unsigned int lang_mask);
-static void handle_options (unsigned int, const char **, unsigned int);
static void set_debug_level (enum debug_info_type type, int extended,
const char *arg);
input_location = saved_loc;
}
+
+/* Handle option OPT_INDEX, and argument ARG, for the language
+ indicated by LANG_MASK. VALUE is true, unless no- form of an -f or
+ -W option was given. KIND is the diagnostic_t if this is a
+ diagnostics option, DK_UNSPECIFIED otherwise. Returns false if the
+ switch was invalid. */
+bool
+handle_option (int opt_index, int value, const char *arg,
+ unsigned int lang_mask, int kind)
+{
+ const struct cl_option *option = &cl_options[opt_index];
+
+ if (option->flag_var)
+ set_option (opt_index, value, arg, kind);
+
+ if (option->flags & lang_mask)
+ {
+ if (lang_hooks.handle_option (opt_index, arg, value, kind) == 0)
+ return false;
+ else
+ lto_register_user_option (opt_index, arg, value, lang_mask);
+ }
+
+ if (option->flags & CL_COMMON)
+ {
+ if (common_handle_option (opt_index, arg, value, lang_mask, kind) == 0)
+ return false;
+ else
+ lto_register_user_option (opt_index, arg, value, CL_COMMON);
+ }
+
+ if (option->flags & CL_TARGET)
+ {
+ if (!targetm.handle_option (opt_index, arg, value))
+ return false;
+ else
+ lto_register_user_option (opt_index, arg, value, CL_TARGET);
+ }
+ return true;
+}
+
/* Handle the switch beginning at ARGV for the language indicated by
LANG_MASK. Returns the number of switches consumed. */
static unsigned int
-handle_option (const char **argv, unsigned int lang_mask)
+read_cmdline_option (const char **argv, unsigned int lang_mask)
{
size_t opt_index;
const char *opt, *arg = 0;
}
}
- if (option->flag_var)
- set_option (option, value, arg);
-
- if (option->flags & lang_mask)
- {
- if (lang_hooks.handle_option (opt_index, arg, value) == 0)
- result = 0;
- else
- lto_register_user_option (opt_index, arg, value, lang_mask);
- }
-
- if (result && (option->flags & CL_COMMON))
- {
- if (common_handle_option (opt_index, arg, value, lang_mask) == 0)
- result = 0;
- else
- lto_register_user_option (opt_index, arg, value, CL_COMMON);
- }
-
- if (result && (option->flags & CL_TARGET))
- {
- if (!targetm.handle_option (opt_index, arg, value))
- result = 0;
- else
- lto_register_user_option (opt_index, arg, value, CL_TARGET);
- }
+ if (!handle_option (opt_index, value, arg, lang_mask, DK_UNSPECIFIED))
+ result = 0;
done:
if (dup)
contains has a single bit set representing the current
language. */
static void
-handle_options (unsigned int argc, const char **argv, unsigned int lang_mask)
+read_cmdline_options (unsigned int argc, const char **argv, unsigned int lang_mask)
{
unsigned int n, i;
continue;
}
- n = handle_option (argv + i, lang_mask);
+ n = read_cmdline_option (argv + i, lang_mask);
if (!n)
{
if (optimize_val != -1)
{
optimize = optimize_val;
+ if ((unsigned int) optimize > 255)
+ optimize = 255;
optimize_size = 0;
}
}
flag_if_conversion2 = opt1;
flag_ipa_pure_const = opt1;
flag_ipa_reference = opt1;
+ flag_ipa_profile = opt1;
flag_merge_constants = opt1;
flag_split_wide_types = opt1;
flag_tree_ccp = opt1;
flag_tree_vrp = opt2;
flag_tree_builtin_call_dce = opt2;
flag_tree_pre = opt2;
- flag_tree_switch_conversion = 1;
+ flag_tree_switch_conversion = opt2;
flag_ipa_cp = opt2;
flag_ipa_sra = opt2;
else
set_param_value ("min-crossjump-insns", initial_min_crossjump_insns);
+ /* Enable -Werror=coverage-mismatch by default */
+ enable_warning_as_error("coverage-mismatch", 1, lang_mask);
+
if (first_time_p)
{
/* Initialize whether `char' is signed. */
OPTIMIZATION_OPTIONS (optimize, optimize_size);
#endif
- handle_options (argc, argv, lang_mask);
+ read_cmdline_options (argc, argv, lang_mask);
- /* Make DUMP_BASE_NAME relative to the AUX_BASE_NAME directory,
- typically the directory to contain the object file. */
- if (aux_base_name && ! IS_ABSOLUTE_PATH (dump_base_name))
+ if (dump_base_name && ! IS_ABSOLUTE_PATH (dump_base_name))
{
- const char *aux_base;
-
- base_of_path (aux_base_name, &aux_base);
- if (aux_base_name != aux_base)
+ /* First try to make DUMP_BASE_NAME relative to the DUMP_DIR_NAME
+ directory. Then try to make DUMP_BASE_NAME relative to the
+ AUX_BASE_NAME directory, typically the directory to contain
+ the object file. */
+ if (dump_dir_name)
+ dump_base_name = concat (dump_dir_name, dump_base_name, NULL);
+ else if (aux_base_name)
{
- int dir_len = aux_base - aux_base_name;
- char *new_dump_base_name =
- XNEWVEC (char, strlen(dump_base_name) + dir_len + 1);
-
- /* Copy directory component from AUX_BASE_NAME. */
- memcpy (new_dump_base_name, aux_base_name, dir_len);
- /* Append existing DUMP_BASE_NAME. */
- strcpy (new_dump_base_name + dir_len, dump_base_name);
- dump_base_name = new_dump_base_name;
+ const char *aux_base;
+
+ base_of_path (aux_base_name, &aux_base);
+ if (aux_base_name != aux_base)
+ {
+ int dir_len = aux_base - aux_base_name;
+ char *new_dump_base_name =
+ XNEWVEC (char, strlen(dump_base_name) + dir_len + 1);
+
+ /* Copy directory component from AUX_BASE_NAME. */
+ memcpy (new_dump_base_name, aux_base_name, dir_len);
+ /* Append existing DUMP_BASE_NAME. */
+ strcpy (new_dump_base_name + dir_len, dump_base_name);
+ dump_base_name = new_dump_base_name;
+ }
}
}
flag_pic = flag_pie;
if (flag_pic && !flag_pie)
flag_shlib = 1;
+ first_time_p = false;
}
if (optimize == 0)
flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
}
- /* Save the current optimization options if this is the first call. */
- if (first_time_p)
- {
- optimization_default_node = build_optimization_node ();
- optimization_current_node = optimization_default_node;
- first_time_p = false;
- }
if (flag_conserve_stack)
{
if (!PARAM_SET_P (PARAM_LARGE_STACK_FRAME))
if (!PARAM_SET_P (PARAM_STACK_FRAME_GROWTH))
PARAM_VALUE (PARAM_STACK_FRAME_GROWTH) = 40;
}
+ if (flag_wpa || flag_ltrans)
+ {
+ /* These passes are not WHOPR compatible yet. */
+ flag_ipa_cp = 0;
+ flag_ipa_reference = 0;
+ flag_ipa_type_escape = 0;
+ flag_ipa_pta = 0;
+ flag_ipa_struct_reorg = 0;
+ }
if (flag_lto || flag_whopr)
{
Otherwise, symbols will be privatized too early, causing link
errors later. */
flag_whole_program = 0;
-
- /* FIXME lto. Disable var-tracking until debug information
- is properly handled in free_lang_data. */
- flag_var_tracking = 0;
#else
error ("LTO support has not been enabled in this configuration");
#endif
static int
common_handle_option (size_t scode, const char *arg, int value,
- unsigned int lang_mask)
+ unsigned int lang_mask, int kind ATTRIBUTE_UNUSED)
{
static bool verbose = false;
enum opt_code code = (enum opt_code) scode;
dump_base_name = arg;
break;
+ case OPT_dumpdir:
+ dump_dir_name = arg;
+ break;
+
case OPT_falign_functions_:
align_functions = value;
break;
break;
case OPT_fdiagnostics_show_option:
- global_dc->show_option_requested = true;
+ global_dc->show_option_requested = value;
break;
case OPT_fdump_:
case OPT_fcse_skip_blocks:
case OPT_floop_optimize:
case OPT_frerun_loop_opt:
+ case OPT_fsched2_use_traces:
case OPT_fstrength_reduce:
case OPT_ftree_store_copy_prop:
case OPT_fforce_addr:
case OPT_ftree_salias:
case OPT_ftree_store_ccp:
+ case OPT_Wunreachable_code:
+ case OPT_fargument_alias:
+ case OPT_fargument_noalias:
+ case OPT_fargument_noalias_anything:
+ case OPT_fargument_noalias_global:
/* These are no-ops, preserved for backward compatibility. */
break;
/* Set *OPTION according to VALUE and ARG. */
void
-set_option (const struct cl_option *option, int value, const char *arg)
+set_option (int opt_index, int value, const char *arg, int kind)
{
+ const struct cl_option *option = &cl_options[opt_index];
+
if (!option->flag_var)
return;
*(const char **) option->flag_var = arg;
break;
}
+
+ if ((diagnostic_t)kind != DK_UNSPECIFIED)
+ diagnostic_classify_diagnostic (global_dc, opt_index, (diagnostic_t)kind);
+}
+
+
+/* Callback function, called when -Werror= enables a warning. */
+
+static void (*warning_as_error_callback) (int) = NULL;
+
+/* Register a callback for enable_warning_as_error calls. */
+
+void
+register_warning_as_error_callback (void (*callback) (int))
+{
+ gcc_assert (warning_as_error_callback == NULL || callback == NULL);
+ warning_as_error_callback = callback;
}
/* Enable a warning option as an error. This is used by -Werror= and
}
else
{
- diagnostic_t kind = value ? DK_ERROR : DK_WARNING;
+ const diagnostic_t kind = value ? DK_ERROR : DK_WARNING;
+
diagnostic_classify_diagnostic (global_dc, option_index, kind);
+ if (kind == DK_ERROR)
+ {
+ const struct cl_option * const option = cl_options + option_index;
- /* -Werror=foo implies -Wfoo. */
- if (cl_options[option_index].var_type == CLVC_BOOLEAN
- && cl_options[option_index].flag_var
- && kind == DK_ERROR)
- *(int *) cl_options[option_index].flag_var = 1;
+ /* -Werror=foo implies -Wfoo. */
+ if (option->var_type == CLVC_BOOLEAN)
+ handle_option (option_index, value, arg, lang_mask, (int)kind);
+
+ if (warning_as_error_callback)
+ warning_as_error_callback (option_index);
+ }
}
free (new_option);
}
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