* gcov-io.h: Add a local time stamp.
(struct gcov_info): Add stamp field.
(gcov_truncate): New.
* coverage.c (read_counts_file): Skip the stamp.
(coverage_begin_output): Write the stamp.
(build_gcov_info): Declare and init the stamp.
(coverage_finish): Only unlink data file, if stamp is zero.
* gcov-dump.c (dump_file): Dump the stamp.
* gcov.c (bbg_stamp): New.
(release_structures): Clear bbg_stamp.
(read_graph_file): Read stamp.
(read_count_file): Check stamp.
* libgcov.c (gcov_exit): Check stamp and truncate if needed.
From-SVN: r69006
* gcov-io.h (gcov_write_bytes, gcov_read_bytes): Remove here.
(GCOV_TAG_*) Force type to gcov_unsigned_t.
(GCOV_CHECK, GCOV_CHECK_READING, GCOV_CHECK_WRITING): New.
(struct gcov_var): Remove modified. Add start, length, offset,
overread. Have buffer array for libgcov.
(gcov_sync, gcov_seek): Definitions moved to gcov-io.c.
(gcov_position, gcov_rewrite, gcov_is_eof): Adjust.
* gcov-io.c (gcov_open): Set mode, do not read anything.
(gcov_close): Write final block.
(gcov_write_block, gcov_allocate): New.
(gcov_write_bytes): Make static. Write or allocate buffer.
(gcov_write_unsigned, gcov_write_counter): Buffer can never be
null.
(gcov_write_string): Adjust.
(gcov_write_tag)
(gcov_write_length): Adjust. Flush the block.
(gcov_write_tag_length): Buffer can never be null.
(gcov_read_bytes): Make static. Read in block.
(gcov_sync): Moved here. Adjust.
(gcov_seek): Moved here. Adjust.
* coverage.c (read_counts_file): Adjust.
* gcov-dump.c (print_prefix): Add position parameter.
(flag_dump_positions): New flag.
(options, main, print_usage): Add it.
(dump_file, tag_blocks, tag_arcs, tag_lines, tag_counters,
tag_summary): Adjust.
* gcov.c (read_graph_file, read_count_file): Adjust.
* libgcov.c (gcov_exit): Adjust.
From-SVN: r66805
* coverage.h (coverage_counter_alloc): New function.
* function.h (struct function): Remove arc_profile flag.
* coverage.c (fn_ident): Remove.
(fn_b_ctrs, no_coverage): New.
(get_coverage_counts): Use current_function_funcdef_no.
(coverage_counter_alloc): New.
(coverage_counter_ref): Adjust.
(coverage_begin_output): Check no_coverage. Use
current_function_funcdef_no.
(coverage_end_function): Likewise.
(create_coverage): Set no_coverage. Set DECL_UNINLINEABLE rather
than clearing flag_inline_functions. Do not clear arc_profile
flag.
* function.c (prepare_function_start): Do not set arc_profile
flag.
* profile.c (instrument_edges): Return number of instrumented
edges. Use a for loop.
(branch_prob): Call coverage_counter_alloc. Make BB_TO_GCOV_INDEX
local to here and simplify. Use profile_arc_flag not arc_profile
flag.
(find_spanning_tree): Reformat.
* toplev.c (rest_of_compilation): Use profile_arc_flags and
flag_test_coverage rather than arc_profile flag.
From-SVN: r66695
