osprey-gcc/gcc/coverage.c File Reference

#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "rtl.h"
#include "tree.h"
#include "flags.h"
#include "output.h"
#include "regs.h"
#include "expr.h"
#include "function.h"
#include "toplev.h"
#include "ggc.h"
#include "coverage.h"
#include "langhooks.h"
#include "hashtab.h"
#include "tree-iterator.h"
#include "cgraph.h"
#include "gcov-io.c"
#include "gt-coverage.h"

Include dependency graph for coverage.c:

Go to the source code of this file.

Data Types

type function_list

type counts_entry

Defines

#define GCOV_LINKAGE

Typedefs

typedef struct counts_entry counts_entry_t

Functions/Subroutines

static GTY (())

static int htab_counts_entry_eq (const void *of1, const void *of2)

static void htab_counts_entry_del (void *of)

static void read_counts_file (void)

gcov_type * get_coverage_counts (unsigned counter, unsigned expected, const struct gcov_ctr_summary **summary)

int coverage_counter_alloc (unsigned counter, unsigned num)

rtx rtl_coverage_counter_ref (unsigned counter, unsigned no)

tree tree_coverage_counter_ref (unsigned counter, unsigned no)

static unsigned coverage_checksum_string (unsigned chksum, const char *string)

static unsigned compute_checksum (void)

int coverage_begin_output (void)

void coverage_end_function (void)

static tree build_fn_info_type (unsigned int counters)

static tree build_fn_info_value (const struct function_list *function, tree type)

static tree build_ctr_info_type (void)

static tree build_ctr_info_value (unsigned int counter, tree type)

static tree build_gcov_info (void)

static void create_coverage (void)

void coverage_init (const char *filename)

void coverage_finish (void)

Variables

static struct function_list * functions_head = 0

static struct function_list ** functions_tail = &functions_head

static unsigned no_coverage = 0

static unsigned prg_ctr_mask

static unsigned prg_n_ctrs [GCOV_COUNTERS]

static unsigned fn_ctr_mask

static unsigned fn_n_ctrs [GCOV_COUNTERS]

static unsigned fn_b_ctrs [GCOV_COUNTERS]

static char * bbg_file_name

static unsigned bbg_file_opened

static int bbg_function_announced

static char * da_file_name

static htab_t counts_hash = NULL

Define Documentation

#define GCOV_LINKAGE

Definition at line 27 of file coverage.c.

Typedef Documentation

typedef struct counts_entry counts_entry_t

Function Documentation

static tree build_ctr_info_type ( void ) [static]

Definition at line 669 of file coverage.c.

References build_decl, build_function_type_list(), build_pointer_type(), finish_builtin_struct(), GCOV_TYPE_NODE, NULL_TREE, TREE_CHAIN, unsigned_intSI_type_node, unsigned_type_node, and void_type_node.

Referenced by build_gcov_info().

static tree build_ctr_info_value	(	unsigned int	counter,
		tree	type
	)			`[static]`

Definition at line 706 of file coverage.c.

References assemble_variable(), build1, build_array_type(), build_constructor(), build_decl, build_index_type(), build_int_cstu(), DECL_ARTIFICIAL, DECL_EXTERNAL, DECL_SIZE, DECL_SIZE_UNIT, get_identifier(), nreverse(), null_pointer_node, NULL_TREE, prg_n_ctrs, TREE_CHAIN, tree_cons, TREE_NOTHROW, TREE_PUBLIC, TREE_TYPE, TYPE_FIELDS, TYPE_SIZE, TYPE_SIZE_UNIT, unsigned_intSI_type_node, and unsigned_type_node.

Referenced by build_gcov_info().

static tree build_fn_info_type ( unsigned int counters ) [static]

Definition at line 598 of file coverage.c.

References build_array_type(), build_decl, build_index_type(), build_int_cst(), finish_builtin_struct(), NULL_TREE, TREE_CHAIN, unsigned_intSI_type_node, and unsigned_type_node.

Referenced by build_gcov_info().

static tree build_fn_info_value	(	const struct function_list *	function,
		tree	type
	)			`[static]`

Definition at line 631 of file coverage.c.

References build_constructor(), build_int_cstu(), function_list::checksum, GCOV_COUNTERS, function_list::ident, function_list::n_ctrs, nreverse(), NULL_TREE, prg_ctr_mask, TREE_CHAIN, tree_cons, TREE_TYPE, TYPE_FIELDS, unsigned_intSI_type_node, and unsigned_type_node.

Referenced by build_gcov_info().

static tree build_gcov_info ( void ) [static]

static unsigned compute_checksum ( void ) [static]

Definition at line 499 of file coverage.c.

References chksum, coverage_checksum_string(), current_function_decl, DECL_ASSEMBLER_NAME, DECL_SOURCE_LOCATION, expand_location, and IDENTIFIER_POINTER.

int coverage_begin_output ( void )

Definition at line 518 of file coverage.c.

Referenced by branch_prob().

static unsigned coverage_checksum_string	(	unsigned	chksum,
		const char *	string
	)			`[static]`

Definition at line 446 of file coverage.c.

References crc32_string(), dup(), flag_random_seed, free(), gcc_assert, i, NULL, scan(), sscanf(), strncmp(), xstrdup(), and is::y.

Referenced by compute_checksum().

int coverage_counter_alloc	(	unsigned	counter,
		unsigned	num
	)

Definition at line 366 of file coverage.c.

Referenced by branch_prob(), and instrument_values().

void coverage_end_function ( void )

Definition at line 561 of file coverage.c.

Referenced by branch_prob(), and rest_of_clean_state().

void coverage_finish ( void )

Definition at line 965 of file coverage.c.

Referenced by compile_file().

void coverage_init ( const char * filename )

Definition at line 944 of file coverage.c.

Referenced by compile_file().

static void create_coverage ( void ) [static]

Definition at line 900 of file coverage.c.

References append_to_statement_list(), ASM_GENERATE_INTERNAL_LABEL, assemble_variable(), build_decl, build_fold_addr_expr(), build_function_call_expr(), build_function_type_list(), build_gcov_info(), build_pointer_type(), cgraph_build_static_cdtor(), DECL_EXTERNAL, DECL_INITIAL, DECL_NAME, DEFAULT_INIT_PRIORITY, get_identifier(), no_coverage, NULL, NULL_TREE, prg_ctr_mask, tree_cons, TREE_PUBLIC, TREE_STATIC, TREE_TYPE, and void_type_node.

Referenced by coverage_finish().

gcov_type* get_coverage_counts	(	unsigned	counter,
		unsigned	expected,
		const struct gcov_ctr_summary **	summary
	)

Definition at line 309 of file coverage.c.

Referenced by compute_value_histograms(), and get_exec_counts().

static GTY ( () ) [static]

Definition at line 100 of file coverage.c.

References counts_entry::ctr, and counts_entry::ident.

static void htab_counts_entry_del ( void * of ) [static]

Definition at line 143 of file coverage.c.

References counts_entry::counts, and free().

Referenced by read_counts_file().

static int htab_counts_entry_eq	(	const void *	of1,
		const void *	of2
	)			`[static]`

Definition at line 134 of file coverage.c.

References counts_entry::ctr, and counts_entry::ident.

Referenced by read_counts_file().

static void read_counts_file ( void ) [static]

Definition at line 154 of file coverage.c.

References counts_entry::chain, function_list::checksum, counts_entry::checksum, counts_entry::counts, counts_hash, counts_entry::ctr, gcov_summary::ctrs, da_file_name, error(), gcov_close(), GCOV_COUNTER_FOR_TAG, GCOV_COUNTERS_SUMMABLE, GCOV_DATA_MAGIC, gcov_is_error(), gcov_magic(), gcov_open(), gcov_position(), gcov_read_counter(), gcov_read_summary(), gcov_read_unsigned(), gcov_sync(), GCOV_TAG_COUNTER_NUM, GCOV_TAG_FUNCTION, GCOV_TAG_IS_COUNTER, GCOV_TAG_PROGRAM_SUMMARY, GCOV_UNSIGNED2STRING, htab_counts_entry_del(), htab_counts_entry_eq(), htab_counts_entry_hash(), htab_create(), htab_delete(), htab_find_slot(), counts_entry::ident, INSERT, length, NULL, gcov_ctr_summary::num, offset, gcov_ctr_summary::run_max, gcov_ctr_summary::runs, gcov_ctr_summary::sum_all, gcov_ctr_summary::sum_max, counts_entry::summary, tag, warning, and xcalloc().

Referenced by coverage_init().

rtx rtl_coverage_counter_ref	(	unsigned	counter,
		unsigned	no
	)

Definition at line 400 of file coverage.c.

References BITS_PER_UNIT, DECL_NAME, fn_b_ctrs, fn_n_ctrs, gcc_assert, GCOV_TYPE_NODE, gen_rtx_MEM(), gen_rtx_SYMBOL_REF, ggc_strdup, IDENTIFIER_POINTER, MEM_NOTRAP_P, mode, mode_for_size(), MODE_INT, new_alias_set(), plus_constant, Pmode, prg_n_ctrs, set_mem_alias_set(), SYMBOL_FLAG_LOCAL, SYMBOL_REF_FLAGS, tree_low_cst(), and TYPE_SIZE.

Referenced by rtl_gen_const_delta_profiler(), rtl_gen_edge_profiler(), rtl_gen_interval_profiler(), rtl_gen_one_value_profiler_no_edge_manipulation(), and rtl_gen_pow2_profiler().

tree tree_coverage_counter_ref	(	unsigned	counter,
		unsigned	no
	)

Definition at line 426 of file coverage.c.

Referenced by tree_gen_edge_profiler(), tree_gen_interval_profiler(), tree_gen_one_value_profiler(), and tree_gen_pow2_profiler().

Variable Documentation

char* bbg_file_name [static]

Definition at line 89 of file coverage.c.

unsigned bbg_file_opened [static]

Definition at line 90 of file coverage.c.

Referenced by coverage_begin_output(), coverage_end_function(), and coverage_finish().

int bbg_function_announced [static]

Definition at line 91 of file coverage.c.

Referenced by coverage_begin_output(), and coverage_end_function().

htab_t counts_hash = NULL [static]

Definition at line 97 of file coverage.c.

Referenced by get_coverage_counts(), and read_counts_file().

char* da_file_name [static]

Definition at line 94 of file coverage.c.

unsigned fn_b_ctrs[GCOV_COUNTERS] [static]

Definition at line 86 of file coverage.c.

Referenced by coverage_counter_alloc(), coverage_end_function(), rtl_coverage_counter_ref(), and tree_coverage_counter_ref().

unsigned fn_ctr_mask [static]

Definition at line 84 of file coverage.c.

Referenced by coverage_counter_alloc(), and coverage_end_function().

unsigned fn_n_ctrs[GCOV_COUNTERS] [static]

Definition at line 85 of file coverage.c.

Referenced by coverage_counter_alloc(), coverage_end_function(), rtl_coverage_counter_ref(), and tree_coverage_counter_ref().

struct function_list* functions_head = 0 [static]

Definition at line 75 of file coverage.c.

struct function_list** functions_tail = &functions_head [static]

Definition at line 76 of file coverage.c.

unsigned no_coverage = 0 [static]

Definition at line 77 of file coverage.c.

Referenced by coverage_begin_output(), coverage_counter_alloc(), and create_coverage().

unsigned prg_ctr_mask [static]

Definition at line 80 of file coverage.c.

Referenced by build_fn_info_value(), build_gcov_info(), coverage_end_function(), and create_coverage().

unsigned prg_n_ctrs[GCOV_COUNTERS] [static]

Definition at line 81 of file coverage.c.

Referenced by build_ctr_info_value(), coverage_end_function(), rtl_coverage_counter_ref(), and tree_coverage_counter_ref().


Data Types
type	function_list
type	counts_entry
Defines
#define	GCOV_LINKAGE
Typedefs
typedef struct counts_entry	counts_entry_t
Functions/Subroutines
static	GTY (())
static int	htab_counts_entry_eq (const void of1, const void of2)
static void	htab_counts_entry_del (void *of)
static void	read_counts_file (void)
gcov_type *	get_coverage_counts (unsigned counter, unsigned expected, const struct gcov_ctr_summary **summary)
int	coverage_counter_alloc (unsigned counter, unsigned num)
rtx	rtl_coverage_counter_ref (unsigned counter, unsigned no)
tree	tree_coverage_counter_ref (unsigned counter, unsigned no)
static unsigned	coverage_checksum_string (unsigned chksum, const char *string)
static unsigned	compute_checksum (void)
int	coverage_begin_output (void)
void	coverage_end_function (void)
static tree	build_fn_info_type (unsigned int counters)
static tree	build_fn_info_value (const struct function_list *function, tree type)
static tree	build_ctr_info_type (void)
static tree	build_ctr_info_value (unsigned int counter, tree type)
static tree	build_gcov_info (void)
static void	create_coverage (void)
void	coverage_init (const char *filename)
void	coverage_finish (void)
Variables
static struct function_list *	functions_head = 0
static struct function_list **	functions_tail = &functions_head
static unsigned	no_coverage = 0
static unsigned	prg_ctr_mask
static unsigned	prg_n_ctrs [GCOV_COUNTERS]
static unsigned	fn_ctr_mask
static unsigned	fn_n_ctrs [GCOV_COUNTERS]
static unsigned	fn_b_ctrs [GCOV_COUNTERS]
static char *	bbg_file_name
static unsigned	bbg_file_opened
static int	bbg_function_announced
static char *	da_file_name
static htab_t	counts_hash = NULL