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-rw-r--r--gcc-4.6/gcc/coverage.c144
1 files changed, 115 insertions, 29 deletions
diff --git a/gcc-4.6/gcc/coverage.c b/gcc-4.6/gcc/coverage.c
index 253a594..e7e3ec4 100644
--- a/gcc-4.6/gcc/coverage.c
+++ b/gcc-4.6/gcc/coverage.c
@@ -55,6 +55,7 @@ along with GCC; see the file COPYING3. If not see
#include "diagnostic-core.h"
#include "intl.h"
#include "l-ipo.h"
+#include "dwarf2asm.h"
#include "gcov-io.h"
#include "gcov-io.c"
@@ -353,7 +354,8 @@ incompatible_cl_args (struct gcov_module_info* mod_info1,
warning (OPT_Wripa_opt_mismatch, "command line arguments mismatch for %s "
"and %s", mod_info1->source_filename, mod_info2->source_filename);
- if (warn_ripa_opt_mismatch && non_warning_mismatch && flag_ripa_verbose)
+ if (warn_ripa_opt_mismatch && non_warning_mismatch
+ && (flag_opt_info >= OPT_INFO_MED))
{
inform (UNKNOWN_LOCATION, "Options for %s", mod_info1->source_filename);
for (i = 0; i < num_non_warning_opts1; i++)
@@ -573,29 +575,47 @@ read_counts_file (const char *da_file_name, unsigned module_id)
int fd;
char *aux_da_filename = get_da_file_name (mod_info->da_filename);
gcc_assert (!mod_info->is_primary);
- if (pointer_set_insert (modset, (void *)(size_t)mod_info->ident))
- inform (input_location, "Not importing %s: already imported",
- mod_info->source_filename);
- else if ((module_infos[0]->lang & GCOV_MODULE_LANG_MASK) !=
- (mod_info->lang & GCOV_MODULE_LANG_MASK))
- inform (input_location, "Not importing %s: source language"
- " different from primary module's source language",
- mod_info->source_filename);
- else if (module_infos_read == max_group)
- inform (input_location, "Not importing %s: maximum group size"
- " reached", mod_info->source_filename);
- else if (incompatible_cl_args (module_infos[0], mod_info))
- inform (input_location, "Not importing %s: command-line"
- " arguments not compatible with primary module",
- mod_info->source_filename);
- else if ((fd = open (aux_da_filename, O_RDONLY)) < 0)
- inform (input_location, "Not importing %s: couldn't open %s",
- mod_info->source_filename, aux_da_filename);
- else if ((mod_info->lang & GCOV_MODULE_ASM_STMTS)
- && flag_ripa_disallow_asm_modules)
- inform (input_location, "Not importing %s: contains assembler"
- " statements", mod_info->source_filename);
- else
+ if (pointer_set_insert (modset, (void *)(size_t)mod_info->ident))
+ {
+ if (flag_opt_info >= OPT_INFO_MAX)
+ inform (input_location, "Not importing %s: already imported",
+ mod_info->source_filename);
+ }
+ else if ((module_infos[0]->lang & GCOV_MODULE_LANG_MASK) !=
+ (mod_info->lang & GCOV_MODULE_LANG_MASK))
+ {
+ if (flag_opt_info >= OPT_INFO_MAX)
+ inform (input_location, "Not importing %s: source language"
+ " different from primary module's source language",
+ mod_info->source_filename);
+ }
+ else if (module_infos_read == max_group)
+ {
+ if (flag_opt_info >= OPT_INFO_MAX)
+ inform (input_location, "Not importing %s: maximum group"
+ " size reached", mod_info->source_filename);
+ }
+ else if (incompatible_cl_args (module_infos[0], mod_info))
+ {
+ if (flag_opt_info >= OPT_INFO_MAX)
+ inform (input_location, "Not importing %s: command-line"
+ " arguments not compatible with primary module",
+ mod_info->source_filename);
+ }
+ else if ((fd = open (aux_da_filename, O_RDONLY)) < 0)
+ {
+ if (flag_opt_info >= OPT_INFO_MAX)
+ inform (input_location, "Not importing %s: couldn't open %s",
+ mod_info->source_filename, aux_da_filename);
+ }
+ else if ((mod_info->lang & GCOV_MODULE_ASM_STMTS)
+ && flag_ripa_disallow_asm_modules)
+ {
+ if (flag_opt_info >= OPT_INFO_MAX)
+ inform (input_location, "Not importing %s: contains "
+ "assembler statements", mod_info->source_filename);
+ }
+ else
{
close (fd);
module_infos_read++;
@@ -610,7 +630,7 @@ read_counts_file (const char *da_file_name, unsigned module_id)
}
}
- if (flag_ripa_verbose)
+ if (flag_opt_info >= OPT_INFO_MAX)
{
inform (input_location,
"MODULE Id=%d, Is_Primary=%s,"
@@ -674,7 +694,7 @@ get_coverage_counts (unsigned counter, unsigned expected,
{
static int warned = 0;
- if (!warned++)
+ if ((flag_opt_info >= OPT_INFO_MIN) && !warned++)
inform (input_location, (flag_guess_branch_prob
? "file %s not found, execution counts estimated"
: "file %s not found, execution counts assumed to be zero"),
@@ -686,7 +706,7 @@ get_coverage_counts (unsigned counter, unsigned expected,
if (!entry)
{
- if (!flag_dyn_ipa)
+ if ((flag_opt_info >= OPT_INFO_MIN) && !flag_dyn_ipa)
warning (0, "no coverage for function %qE found",
DECL_ASSEMBLER_NAME (current_function_decl));
return NULL;
@@ -703,7 +723,7 @@ get_coverage_counts (unsigned counter, unsigned expected,
warning_at (input_location, OPT_Wcoverage_mismatch,
"The control flow of function %qE does not match "
"its profile data (counter %qs)", id, ctr_names[counter]);
- if (warning_printed)
+ if ((flag_opt_info >= OPT_INFO_MIN) && warning_printed)
{
inform (input_location, "Use -Wno-error=coverage-mismatch to tolerate "
"the mismatch but performance may drop if the function is hot");
@@ -725,7 +745,8 @@ get_coverage_counts (unsigned counter, unsigned expected,
}
else if (entry->lineno_checksum != lineno_checksum)
{
- warning (0, "Source location for function %qE have changed,"
+ warning (OPT_Wcoverage_mismatch,
+ "Source location for function %qE have changed,"
" the profile data may be out of date",
DECL_ASSEMBLER_NAME (current_function_decl));
}
@@ -2146,4 +2167,69 @@ check_pmu_profile_options (const char *options)
return 0;
}
+/* Write command line options to the .note section. */
+
+void
+write_opts_to_asm (void)
+{
+ size_t i;
+ cpp_dir *quote_paths, *bracket_paths, *pdir;
+ struct str_list *pdef, *pinc;
+ int num_quote_paths = 0;
+ int num_bracket_paths = 0;
+
+ get_include_chains (&quote_paths, &bracket_paths);
+
+ /* Write quote_paths to ASM section. */
+ switch_to_section (get_section (".gnu.switches.text.quote_paths",
+ SECTION_DEBUG, NULL));
+ for (pdir = quote_paths; pdir; pdir = pdir->next)
+ {
+ if (pdir == bracket_paths)
+ break;
+ num_quote_paths++;
+ }
+ dw2_asm_output_nstring (in_fnames[0], (size_t)-1, NULL);
+ dw2_asm_output_data_uleb128 (num_quote_paths, NULL);
+ for (pdir = quote_paths; pdir; pdir = pdir->next)
+ {
+ if (pdir == bracket_paths)
+ break;
+ dw2_asm_output_nstring (pdir->name, (size_t)-1, NULL);
+ }
+
+ /* Write bracket_paths to ASM section. */
+ switch_to_section (get_section (".gnu.switches.text.bracket_paths",
+ SECTION_DEBUG, NULL));
+ for (pdir = bracket_paths; pdir; pdir = pdir->next)
+ num_bracket_paths++;
+ dw2_asm_output_nstring (in_fnames[0], (size_t)-1, NULL);
+ dw2_asm_output_data_uleb128 (num_bracket_paths, NULL);
+ for (pdir = bracket_paths; pdir; pdir = pdir->next)
+ dw2_asm_output_nstring (pdir->name, (size_t)-1, NULL);
+
+ /* Write cpp_defines to ASM section. */
+ switch_to_section (get_section (".gnu.switches.text.cpp_defines",
+ SECTION_DEBUG, NULL));
+ dw2_asm_output_nstring (in_fnames[0], (size_t)-1, NULL);
+ dw2_asm_output_data_uleb128 (num_cpp_defines, NULL);
+ for (pdef = cpp_defines_head; pdef; pdef = pdef->next)
+ dw2_asm_output_nstring (pdef->str, (size_t)-1, NULL);
+
+ /* Write cpp_includes to ASM section. */
+ switch_to_section (get_section (".gnu.switches.text.cpp_includes",
+ SECTION_DEBUG, NULL));
+ dw2_asm_output_nstring (in_fnames[0], (size_t)-1, NULL);
+ dw2_asm_output_data_uleb128 (num_cpp_includes, NULL);
+ for (pinc = cpp_includes_head; pinc; pinc = pinc->next)
+ dw2_asm_output_nstring (pinc->str, (size_t)-1, NULL);
+
+ /* Write cl_args to ASM section. */
+ switch_to_section (get_section (".gnu.switches.text.cl_args",
+ SECTION_DEBUG, NULL));
+ dw2_asm_output_nstring (in_fnames[0], (size_t)-1, NULL);
+ dw2_asm_output_data_uleb128 (num_lipo_cl_args, NULL);
+ for (i = 0; i < num_lipo_cl_args; i++)
+ dw2_asm_output_nstring (lipo_cl_args[i], (size_t)-1, NULL);
+}
#include "gt-coverage.h"
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