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* final.c (end_final): Use C trees to output data structures for profiling.
* Makefile.in (LIBGCC_DEPS): Added missing dependency on gcov-io.h
(profile.o): New dependency profile.h
(final.o): New dependency profile.h
* profile.h: New file. New global structure profile_info.
* final.h (count_edges_instrumented_now): Declare.
(current_function_cfg_checksum): Declare.
(function_list): New structure.
(functions_head, functions_tail): New static variables.
(end_final): Emits more data, removed some -ax stuff.
(final): Stores function names and chcksums.
* gcov-io.h (__write_gcov_string): New function.
(__read_gcov_string): New function.
* gcov.c (read_profile): New function.
(create_program_flow_graph): Uses read_profile instead of reading
da_file.
(read_files): Removed da_file checking, it's done by read_profile now.
* libgcc2.c (bb_function_info): New structure.
(bb): New field in structure, removed some -ax stuff.
(__bb_exit_func): Changed structure of da_file.
* profile.c (count_edges_instrumented_now): New global variable.
(current_function_cfg_checksum): New global variable.
(max_counter_in_program): New global variable.
(get_exec_counts): New function.
(compute_checksum): New function.
(instrument_edges): Sets count_edges_instrumented_now.
(compute_branch_probabilities): Uses get_exec_counts instead of
reading da_file.
(branch_prob): Calls compute_checksum and writes extra data to bbg_file.
(init_branch_prob): Removed da_file checking, done in get_exec_counts
now.
(end_branch_prob): Removed da_file checking, done in get_exec_counts
now.
* gcov.texi: Updated information about gcov file format.
From-SVN: r53330
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