r173806 - in /branches/google/main/gcc: ChangeL...

[xur@gcc.gnu.org]

Author: xur
Date: Mon May 16 21:04:12 2011
New Revision: 173806

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173806
Log:
FDO support to build Linux kernel.
	* gcc/coverage.c (coverage_note_define): set is_kernel_build if building
	for Linux kernel.
	* gcc/tree-profile.c (is_kernel_build): New declare.
	(init_ic_make_global_vars): don't emit TLS declarations for Linux kernel
	builds.
	(direct_call_profiling): Ditto.
	* gcc/gcov-io.h	(__GCOV_KERNEL__): Set if __KERNEL__ is defined.
	(BTIS_PER_UNIT): Set the vaule under __GCOV_KERNEL__.
	(LONG_LONG_TYPE_SIZE): Ditto.
	(_GCOV_FILE, _GCOV_fclose, _GCOV_ftell, _GCOV_fseek, _GCOV_ftruncate,
	_GCOV_fread, _GCOV_fwrite, _GCOV_fread, _GCOV_fileno): Wrapper macros.
	(gcov_kernel_vfile): New type declare under __GCOV_KERNEL__.
	(gcc_assert): New function under __GCOV_KERNEL__.
	(gcov_var): Move the definition to gcov-io.c under __GCOV_KERNEL__.
	(gcov_rewrite): Change fseek to _GCOV_fseek.
	* gcc/gcov-io.c (gcov_var): Add declare under __GCOV_KERNEL__.
	(gcov_open): New implementation under __GCOV_KERNEL__.
	(gcov_sync): Ditto.
	(gcov_truncate): Ditto.
	(gcov_close): Replace calls to libc functions to macros.
	(gcov_write_block): Ditto.
	(gcov_read_words): Ditto.
	(gcov_sync): Ditto.
	(gcov_seek): Ditto.
	(kernel_file_fclose): New functions under __GCOV_KERNEL__.
	(kernel_file_ftell): Ditto.
	(kernel_file_fseek): Ditto.
	(kernel_file_ftruncate): Ditto.
	(kernel_file_fread): Ditto.
	(kernel_file_fwrite): Ditto.
	(kernel_file_fileno): Ditto.
	* gcc/libgcov.c	(L_gcov, L_gcov_interval_profiler, 
	L_gcov_pow2_profiler, L_gcov_one_value_profiler,
	L_gcov_indirect_call_profiler, L_gcov_average_profiler,
	L_gcov_ior_profiler, TARGET_VTABLE_USES_DESCRIPTORS,
	HAVE_CC_TLS, __GCOV_KERNEL__, IN_LIBGCOV, IN_GCOV): Set the value
	under __KERNEL__ for Linux kernel FDO build support.
	(tconfig.h, tsystem.h, coretypes.h, tm.h): Do not inlude for kernel 
	builds (i.e. include under #ifndef __KERNELL__).
	(string.h, fcntl.h, errno,h, sys/stat.h) Ditto.
	(gcov_error): New function for error reporting.
	(all, this_program, this_object, program, object, summary_pos,
	eof_pos, gcov_prefix_strip, prefix_length
	gi_filename, gi_filename_up): New declares.
	(gcov_exit): Refactored.
	(gcov_open_by_filename): New function.
	(gcov_counter_active): Ditto.
	(gcov_alloc_filename): Ditto.
	(gcov_dump_module_info): Ditto.
	(gcov_counter_array): Ditto.
	(gcov_object_summary): Ditto.
	(gcov_merge_gcda_file): Ditto.
	(gcov_compute_fi_stride): Ditto.
	(gcov_gcda_file_size): Ditto.
	(gcov_write_gcda_file): Ditto.
	(gcov_exit_init): Ditto.
	(gcov_dump_one_gcov): Ditto.
	(gcov_get_filename): New implementation under __GCOV_KERNEL__.
	(gcov_sort_icall_topn_counter): Ditto.
	(gcov_alloc_filename): Ditto.
	(gcov_current_file): Ditto.
	(gcov_set_vfile): Ditto.
	(gcov_kernel_dump_one_gcov): Ditto.
	(__gcov_merge_add): New dummy functions under __GCOV_KERNEL__.
	(__gcov_merge_single): Ditto.
	(__gcov_merge_delta): Ditto.
	(__gcov_merge_ior): Ditto.
	(__gcov_merge_icall_topn): Ditto.
	(__gcov_merge_dc): Ditto.
	(__gcov_merge_reusedist): Ditto.
	(__gcov_merge_add): Export kernel symbol under __GCOV_KERNEL__.
	(__gcov_merge_single): Ditto.
	(__gcov_merge_delta): Ditto.
	(__gcov_merge_ior): Ditto.
	(__gcov_merge_icall_topn): Ditto.
	(__gcov_merge_dc): Ditto.
	(__gcov_merge_reusedist): Ditto.
	(__gcov_average_profiler): Ditto.
	(__gcov_indirect_call_profiler): Ditto.
	(__gcov_interval_profiler): Ditto.
	(__gcov_ior_profiler): Ditto.
	(__gcov_one_value_profiler): Ditto.
	(__gcov_pow2_profiler): Ditto.


Modified:
    branches/google/main/gcc/ChangeLog.google-main
    branches/google/main/gcc/coverage.c
    branches/google/main/gcc/gcov-io.c
    branches/google/main/gcc/gcov-io.h
    branches/google/main/gcc/libgcov.c
    branches/google/main/gcc/tree-profile.c