osprey-gcc-4.2.0/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 tree get_gcov_unsigned_t (void)

static hashval_t htab_counts_entry_hash (const void *of)

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)

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 663 of file coverage.c.

References build_decl, build_function_type_list(), build_pointer_type(), finish_builtin_struct(), get_gcov_type(), get_gcov_unsigned_t(), NULL_TREE, TREE_CHAIN, and void_type_node.

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

Definition at line 700 of file coverage.c.

References assemble_variable(), build1, build_array_type(), build_constructor_from_list(), build_decl, build_index_type(), build_int_cstu(), DECL_ARTIFICIAL, DECL_EXTERNAL, DECL_SIZE, DECL_SIZE_UNIT, get_gcov_unsigned_t(), 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, and TYPE_SIZE_UNIT.

static tree build_fn_info_type ( unsigned int counters ) [static]

Definition at line 589 of file coverage.c.

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

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

Definition at line 622 of file coverage.c.

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

static tree build_gcov_info ( void ) [static]

static unsigned compute_checksum ( void ) [static]

Definition at line 490 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 )

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

Definition at line 430 of file coverage.c.

References crc32_string(), dup(), free(), i, NULL, offset, strncmp(), xstrdup(), and is::y.

int coverage_counter_alloc	(	unsigned	counter,
		unsigned	num
	)

Definition at line 381 of file coverage.c.

References ASM_GENERATE_INTERNAL_LABEL, buf, build_array_type(), build_decl, build_index_type(), build_int_cst(), DECL_ALIGN, DECL_NAME, fn_b_ctrs, fn_ctr_mask, fn_n_ctrs, GCOV_TYPE_NODE, get_gcov_type(), get_identifier(), no_coverage, NULL_TREE, TREE_STATIC, and TYPE_ALIGN.

void coverage_end_function ( void )

Definition at line 552 of file coverage.c.

References bbg_file_name, bbg_file_opened, bbg_function_announced, function_list::checksum, compute_checksum(), current_function_funcdef_no, fn_b_ctrs, fn_ctr_mask, fn_n_ctrs, GCOV_COUNTERS, gcov_is_error(), i, function_list::ident, function_list::n_ctrs, function_list::next, prg_ctr_mask, prg_n_ctrs, warning, xmalloc(), and XNEW.

void coverage_finish ( void )

Definition at line 964 of file coverage.c.

References bbg_file_name, bbg_file_opened, create_coverage(), da_file_name, error(), gcov_close(), local_tick, and unlink.

void coverage_init ( const char * filename )

Definition at line 943 of file coverage.c.

References bbg_file_name, da_file_name, GCOV_DATA_SUFFIX, GCOV_NOTE_SUFFIX, len, read_counts_file(), strcat(), strcpy, strlen(), xmalloc(), and XNEWVEC.

static void create_coverage ( void ) [static]

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

Definition at line 324 of file coverage.c.

References counts_entry::checksum, compute_checksum(), counts_entry::counts, counts_hash, counts_entry::ctr, current_function_decl, current_function_funcdef_no, da_file_name, DECL_ASSEMBLER_NAME, error(), flag_guess_branch_prob, htab_find(), counts_entry::ident, IDENTIFIER_POINTER, inform(), NULL, gcov_ctr_summary::num, counts_entry::summary, and warning.

static tree get_gcov_unsigned_t ( void ) [static]

Definition at line 135 of file coverage.c.

Referenced by build_ctr_info_type(), build_ctr_info_value(), build_fn_info_type(), build_fn_info_value(), and build_gcov_info().

static GTY ( () ) [static]

Definition at line 100 of file coverage.c.

References GCOV_TYPE_SIZE.

static void htab_counts_entry_del ( void * of ) [static]

Definition at line 158 of file coverage.c.

References counts_entry::counts, and free().

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

Definition at line 149 of file coverage.c.

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

static hashval_t htab_counts_entry_hash ( const void * of ) [static]

Definition at line 141 of file coverage.c.

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

Referenced by read_counts_file().

static void read_counts_file ( void ) [static]

Definition at line 169 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, XCNEW, and XCNEWVEC.

tree tree_coverage_counter_ref	(	unsigned	counter,
		unsigned	no
	)

Definition at line 414 of file coverage.c.

References build4, build_int_cst(), fn_b_ctrs, fn_n_ctrs, fold_convert(), gcc_assert, GCOV_TYPE_NODE, get_gcov_type(), NULL, NULL_TREE, prg_n_ctrs, size_binop(), size_int, TREE_TYPE, TYPE_ALIGN_UNIT, TYPE_DOMAIN, TYPE_MIN_VALUE, and TYPE_SIZE_UNIT.

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.

int bbg_function_announced [static]

Definition at line 91 of file coverage.c.

htab_t counts_hash = NULL [static]

Definition at line 97 of file coverage.c.

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.

unsigned fn_ctr_mask [static]

Definition at line 84 of file coverage.c.

unsigned fn_n_ctrs[GCOV_COUNTERS] [static]

Definition at line 85 of file coverage.c.

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.

unsigned prg_ctr_mask [static]

Definition at line 80 of file coverage.c.

unsigned prg_n_ctrs[GCOV_COUNTERS] [static]

Definition at line 81 of file coverage.c.


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 tree	get_gcov_unsigned_t (void)
static hashval_t	htab_counts_entry_hash (const void *of)
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)
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