diff options
Diffstat (limited to 'lib')
53 files changed, 2207 insertions, 83 deletions
diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbegin.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbegin.o Binary files differindex 33b4130..d83e841 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbegin.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbegin.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbeginS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbeginS.o Binary files differindex 0a3cebb..e58d6e4 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbeginS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbeginS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbeginT.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbeginT.o Binary files differindex 33b4130..d83e841 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbeginT.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtbeginT.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtend.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtend.o Binary files differindex 218b191..bf46c82 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtend.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtend.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtendS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtendS.o Binary files differindex 218b191..bf46c82 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtendS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/crtendS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbegin.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbegin.o Binary files differindex 64f5a1e..89400c8 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbegin.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbegin.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbeginS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbeginS.o Binary files differindex e097b64..231431d 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbeginS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbeginS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbeginT.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbeginT.o Binary files differindex 64f5a1e..89400c8 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbeginT.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtbeginT.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtend.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtend.o Binary files differindex 9199e27..254f158 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtend.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtend.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtendS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtendS.o Binary files differindex 9199e27..254f158 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtendS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/crtendS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/libgcc.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/libgcc.a Binary files differindex 99e8ff6..b3376a7 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/libgcc.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/libgcc.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/libgcov.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/libgcov.a Binary files differindex 64e029c..79abe92 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/libgcov.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/hard/libgcov.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/libgcc.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/libgcc.a Binary files differindex 75d3ce7..70b71ec 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/libgcc.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/libgcc.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/libgcov.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/libgcov.a Binary files differindex 36c258e..3124fb4 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/libgcov.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/libgcov.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbegin.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbegin.o Binary files differindex d46bd3a..b47471d 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbegin.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbegin.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbeginS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbeginS.o Binary files differindex 0f6d5ed..2efae0c 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbeginS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbeginS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbeginT.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbeginT.o Binary files differindex d46bd3a..b47471d 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbeginT.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtbeginT.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtend.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/crtend.o 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100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/hard/libgcov.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/hard/libgcov.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/libgcc.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/libgcc.a Binary files differindex 03d051a..bf4dd8b 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/libgcc.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/libgcc.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/libgcov.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/libgcov.a Binary files differindex 0b0e844..743bde7 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/libgcov.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/armv7-a/thumb/libgcov.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbegin.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbegin.o Binary files differindex 8eb608a..a90d632 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbegin.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbegin.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbeginS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbeginS.o Binary files differindex 7fdb28f..9e021f7 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbeginS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbeginS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbeginT.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbeginT.o Binary files differindex 8eb608a..a90d632 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbeginT.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtbeginT.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtend.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtend.o Binary files differindex 0bddf05..114106b 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtend.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtend.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtendS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtendS.o Binary files differindex 0bddf05..114106b 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/crtendS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/crtendS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-counter.def b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-counter.def new file mode 100644 index 0000000..e847f05 --- /dev/null +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-counter.def @@ -0,0 +1,60 @@ +/* Definitions for the gcov counters in the GNU compiler. + Copyright (C) 2001-2014 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +/* Before including this file, define a macro: + + DEF_GCOV_COUNTER(COUNTER, NAME, FN_TYPE) + + This macro will be expanded to all supported gcov counters, their + names, or the type of handler functions. FN_TYPE will be + expanded to a handler function, like in gcov_merge, it is + expanded to __gcov_merge ## FN_TYPE. */ + +/* Arc transitions. */ +DEF_GCOV_COUNTER(GCOV_COUNTER_ARCS, "arcs", _add) + +/* Histogram of value inside an interval. */ +DEF_GCOV_COUNTER(GCOV_COUNTER_V_INTERVAL, "interval", _add) + +/* Histogram of exact power2 logarithm of a value. */ +DEF_GCOV_COUNTER(GCOV_COUNTER_V_POW2, "pow2", _add) + +/* The most common value of expression. */ +DEF_GCOV_COUNTER(GCOV_COUNTER_V_SINGLE, "single", _single) + +/* The most common difference between consecutive values of expression. */ +DEF_GCOV_COUNTER(GCOV_COUNTER_V_DELTA, "delta", _delta) + +/* The most common indirect address. */ +DEF_GCOV_COUNTER(GCOV_COUNTER_V_INDIR, "indirect_call", _single) + +/* Compute average value passed to the counter. */ +DEF_GCOV_COUNTER(GCOV_COUNTER_AVERAGE, "average", _add) + +/* IOR of the all values passed to counter. */ +DEF_GCOV_COUNTER(GCOV_COUNTER_IOR, "ior", _ior) + +/* Top N value tracking for indirect calls */ +DEF_GCOV_COUNTER(GCOV_COUNTER_ICALL_TOPNV, "indirect_call_topn", _icall_topn) + +/* Time profile collecting first run of a function */ +DEF_GCOV_COUNTER(GCOV_TIME_PROFILER, "time_profiler", _time_profile) + +/* Top N value tracking for indirect calls */ +DEF_GCOV_COUNTER(GCOV_COUNTER_DIRECT_CALL, "direct_call", _dc) diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-io.c b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-io.c index f226cbf..fc5e32e 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-io.c +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-io.c @@ -41,7 +41,7 @@ static void gcov_allocate (unsigned); GCOV_LINKAGE struct gcov_var { - FILE *file; + _GCOV_FILE *file; gcov_position_t start; /* Position of first byte of block */ unsigned offset; /* Read/write position within the block. */ unsigned length; /* Read limit in the block. */ @@ -94,7 +94,7 @@ gcov_rewrite (void) gcov_var.mode = -1; gcov_var.start = 0; gcov_var.offset = 0; - fseek (gcov_var.file, 0L, SEEK_SET); + _GCOV_fseek (gcov_var.file, 0L, SEEK_SET); } #endif @@ -120,6 +120,7 @@ static inline gcov_unsigned_t from_file (gcov_unsigned_t value) Return zero on failure, >0 on opening an existing file and <0 on creating a new one. */ +#ifndef __KERNEL__ GCOV_LINKAGE int #if IN_LIBGCOV gcov_open (const char *name) @@ -190,7 +191,7 @@ gcov_open (const char *name, int mode) if (fstat (fd, &st) < 0) { - fclose (gcov_var.file); + _GCOV_fclose (gcov_var.file); gcov_var.file = 0; return 0; } @@ -203,13 +204,13 @@ gcov_open (const char *name, int mode) gcov_var.mode = mode * 2 + 1; #else if (mode >= 0) - gcov_var.file = fopen (name, (mode > 0) ? "rb" : "r+b"); + gcov_var.file = _GCOV_fopen (name, (mode > 0) ? "rb" : "r+b"); if (gcov_var.file) gcov_var.mode = 1; else if (mode <= 0) { - gcov_var.file = fopen (name, "w+b"); + gcov_var.file = _GCOV_fopen (name, "w+b"); if (gcov_var.file) gcov_var.mode = mode * 2 + 1; } @@ -221,6 +222,24 @@ gcov_open (const char *name, int mode) return 1; } +#else /* __KERNEL__ */ + +extern _GCOV_FILE *gcov_current_file; + +GCOV_LINKAGE int +gcov_open (const char *name) +{ + gcov_var.start = 0; + gcov_var.offset = gcov_var.length = 0; + gcov_var.overread = -1u; + gcov_var.error = 0; + gcov_var.file = gcov_current_file; + gcov_var.mode = 1; + + return 1; +} +#endif /* __KERNEL__ */ + /* Close the current gcov file. Flushes data to disk. Returns nonzero on failure or error flag set. */ @@ -234,7 +253,7 @@ gcov_close (void) if (gcov_var.offset && gcov_var.mode < 0) gcov_write_block (gcov_var.offset); #endif - fclose (gcov_var.file); + _GCOV_fclose (gcov_var.file); gcov_var.file = 0; gcov_var.length = 0; } @@ -290,7 +309,7 @@ gcov_allocate (unsigned length) static void gcov_write_block (unsigned size) { - if (fwrite (gcov_var.buffer, size << 2, 1, gcov_var.file) != 1) + if (_GCOV_fwrite (gcov_var.buffer, size << 2, 1, gcov_var.file) != 1) gcov_var.error = 1; gcov_var.start += size; gcov_var.offset -= size; @@ -336,6 +355,47 @@ gcov_write_unsigned (gcov_unsigned_t value) buffer[0] = value; } +/* Compute the total length in words required to write NUM_STRINGS + in STRING_ARRAY as unsigned. */ + +GCOV_LINKAGE gcov_unsigned_t +gcov_compute_string_array_len (char **string_array, + gcov_unsigned_t num_strings) +{ + gcov_unsigned_t len = 0, i; + for (i = 0; i < num_strings; i++) + { + gcov_unsigned_t string_len + = (strlen (string_array[i]) + sizeof (gcov_unsigned_t)) + / sizeof (gcov_unsigned_t); + len += string_len; + len += 1; /* Each string is lead by a length. */ + } + return len; +} + +/* Write NUM_STRINGS in STRING_ARRAY as unsigned. */ + +GCOV_LINKAGE void +gcov_write_string_array (char **string_array, gcov_unsigned_t num_strings) +{ + gcov_unsigned_t i, j; + for (j = 0; j < num_strings; j++) + { + gcov_unsigned_t *aligned_string; + gcov_unsigned_t string_len = + (strlen (string_array[j]) + sizeof (gcov_unsigned_t)) / + sizeof (gcov_unsigned_t); + aligned_string = (gcov_unsigned_t *) + alloca ((string_len + 1) * sizeof (gcov_unsigned_t)); + memset (aligned_string, 0, (string_len + 1) * sizeof (gcov_unsigned_t)); + aligned_string[0] = string_len; + strcpy ((char*) (aligned_string + 1), string_array[j]); + for (i = 0; i < (string_len + 1); i++) + gcov_write_unsigned (aligned_string[i]); + } +} + /* Write counter VALUE to coverage file. Sets error flag appropriately. */ @@ -517,7 +577,7 @@ gcov_read_words (unsigned words) gcov_allocate (gcov_var.length + words); excess = gcov_var.alloc - gcov_var.length; #endif - excess = fread (gcov_var.buffer + gcov_var.length, + excess = _GCOV_fread (gcov_var.buffer + gcov_var.length, 1, excess << 2, gcov_var.file) >> 2; gcov_var.length += excess; if (gcov_var.length < words) @@ -586,6 +646,20 @@ gcov_read_string (void) } #endif +#ifdef __KERNEL__ +static int +k_popcountll (long long x) +{ + int c = 0; + while (x) + { + c++; + x &= (x-1); + } + return c; +} +#endif + GCOV_LINKAGE void gcov_read_summary (struct gcov_summary *summary) { @@ -612,8 +686,12 @@ gcov_read_summary (struct gcov_summary *summary) hwint.h (where popcount_hwi is declared). However, libgcov.a is built by the bootstrapped compiler and therefore the builtins are always available. */ +#ifndef __KERNEL__ h_cnt += __builtin_popcount (histo_bitvector[bv_ix]); #else + h_cnt += k_popcountll (histo_bitvector[bv_ix]); +#endif +#else h_cnt += popcount_hwi (histo_bitvector[bv_ix]); #endif } @@ -650,6 +728,78 @@ gcov_read_summary (struct gcov_summary *summary) } } +/* Read LENGTH words (unsigned type) from a zero profile fixup record with the + number of function flags saved in NUM_FNS. Returns the int flag array, which + should be deallocated by caller, or NULL on error. */ + +GCOV_LINKAGE int * +gcov_read_comdat_zero_fixup (gcov_unsigned_t length, + gcov_unsigned_t *num_fns) +{ +#ifndef __KERNEL__ + unsigned ix, f_ix; + gcov_unsigned_t num = gcov_read_unsigned (); + /* The length consists of 1 word to hold the number of functions, + plus enough 32-bit words to hold 1 bit/function. */ + gcc_assert ((num + 31) / 32 + 1 == length); + int *zero_fixup_flags = (int *) xcalloc (num, sizeof (int)); + for (ix = 0; ix < length - 1; ix++) + { + gcov_unsigned_t bitvector = gcov_read_unsigned (); + f_ix = ix * 32; + while (bitvector) + { + if (bitvector & 0x1) + zero_fixup_flags[f_ix] = 1; + f_ix++; + bitvector >>= 1; + } + } + *num_fns = num; + return zero_fixup_flags; +#else + return NULL; +#endif +} + +/* Read NUM_STRINGS strings (as an unsigned array) in STRING_ARRAY, and return + the number of words read. */ + +GCOV_LINKAGE gcov_unsigned_t +gcov_read_string_array (char **string_array, gcov_unsigned_t num_strings) +{ + gcov_unsigned_t i, j, len = 0; + + for (j = 0; j < num_strings; j++) + { + gcov_unsigned_t string_len = gcov_read_unsigned (); + string_array[j] = + (char *) xmalloc (string_len * sizeof (gcov_unsigned_t)); + for (i = 0; i < string_len; i++) + ((gcov_unsigned_t *) string_array[j])[i] = gcov_read_unsigned (); + len += (string_len + 1); + } + return len; +} + +/* Read LENGTH words (unsigned type) from a build info record with the number + of strings read saved in NUM_STRINGS. Returns the string array, which + should be deallocated by caller, or NULL on error. */ + +GCOV_LINKAGE char ** +gcov_read_build_info (gcov_unsigned_t length, gcov_unsigned_t *num_strings) +{ + gcov_unsigned_t num = gcov_read_unsigned (); + char **build_info_strings = (char **) + xmalloc (sizeof (char *) * num); + gcov_unsigned_t len = gcov_read_string_array (build_info_strings, + num); + if (len != length - 1) + return NULL; + *num_strings = num; + return build_info_strings; +} + #if (!IN_LIBGCOV && IN_GCOV != 1) || defined (IN_GCOV_TOOL) /* Read LEN words (unsigned type) and construct MOD_INFO. */ @@ -657,7 +807,7 @@ GCOV_LINKAGE void gcov_read_module_info (struct gcov_module_info *mod_info, gcov_unsigned_t len) { - gcov_unsigned_t src_filename_len, filename_len, i, j, num_strings; + gcov_unsigned_t src_filename_len, filename_len, i, num_strings; mod_info->ident = gcov_read_unsigned (); mod_info->is_primary = gcov_read_unsigned (); mod_info->flags = gcov_read_unsigned (); @@ -689,16 +839,7 @@ gcov_read_module_info (struct gcov_module_info *mod_info, + mod_info->num_system_paths + mod_info->num_cpp_defines + mod_info->num_cpp_includes + mod_info->num_cl_args; - for (j = 0; j < num_strings; j++) - { - gcov_unsigned_t string_len = gcov_read_unsigned (); - mod_info->string_array[j] = - (char *) xmalloc (string_len * sizeof (gcov_unsigned_t)); - for (i = 0; i < string_len; i++) - ((gcov_unsigned_t *) mod_info->string_array[j])[i] = - gcov_read_unsigned (); - len -= (string_len + 1); - } + len -= gcov_read_string_array (mod_info->string_array, num_strings); gcc_assert (!len); } #endif @@ -719,8 +860,8 @@ gcov_sync (gcov_position_t base, gcov_unsigned_t length) else { gcov_var.offset = gcov_var.length = 0; - fseek (gcov_var.file, base << 2, SEEK_SET); - gcov_var.start = ftell (gcov_var.file) >> 2; + _GCOV_fseek (gcov_var.file, base << 2, SEEK_SET); + gcov_var.start = _GCOV_ftell (gcov_var.file) >> 2; } } #endif @@ -734,8 +875,8 @@ gcov_seek (gcov_position_t base) gcc_assert (gcov_var.mode < 0); if (gcov_var.offset) gcov_write_block (gcov_var.offset); - fseek (gcov_var.file, base << 2, SEEK_SET); - gcov_var.start = ftell (gcov_var.file) >> 2; + _GCOV_fseek (gcov_var.file, base << 2, SEEK_SET); + gcov_var.start = _GCOV_ftell (gcov_var.file) >> 2; } /* Truncate the gcov file at the current position. */ @@ -743,15 +884,19 @@ gcov_seek (gcov_position_t base) GCOV_LINKAGE void gcov_truncate (void) { +#ifdef __KERNEL__ + gcc_assert (0); +#else long offs; int filenum; gcc_assert (gcov_var.mode < 0); if (gcov_var.offset) gcov_write_block (gcov_var.offset); - offs = ftell (gcov_var.file); + offs = _GCOV_ftell (gcov_var.file); filenum = fileno (gcov_var.file); - if (offs == -1 || filenum == -1 || ftruncate (filenum, offs)) + if (offs == -1 || filenum == -1 || _GCOV_ftruncate (filenum, offs)) gcov_var.error = 1; +#endif /* __KERNEL__ */ } #endif diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-io.h b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-io.h index 50ffa55..e67bce4 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-io.h +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/gcov-io.h @@ -129,7 +129,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see blocks they are for. The data file contains the following records. - data: {unit summary:object summary:program* function-data*}* + data: {unit summary:program* build_info zero_fixup function-data*}* unit: header int32:checksum function-data: announce_function present counts announce_function: header int32:ident @@ -141,6 +141,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see int64:max int64:sum_max histogram histogram: {int32:bitvector}8 histogram-buckets* histogram-buckets: int32:num int64:min int64:sum + build_info: string:info* + zero_fixup: int32:num int32:bitvector* The ANNOUNCE_FUNCTION record is the same as that in the note file, but without the source location. The COUNTS gives the @@ -152,6 +154,17 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see zero. Note that the data file might contain information from several runs concatenated, or the data might be merged. + BUILD_INFO record contains a list of strings that is used + to include in the data file information about the profile generate + build. For example, it can be used to include source revision + information that is useful in diagnosing profile mis-matches. + + ZERO_FIXUP record contains a count of functions in the gcda file + and an array of bitvectors indexed by the function index's in the + function-data section. Each bit flags whether the function was a + COMDAT that had all-zero profiles that was fixed up by dyn-ipa + using profiles from functions with matching checksums in other modules. + This file is included by both the compiler, gcov tools and the runtime support library libgcov. IN_LIBGCOV and IN_GCOV are used to distinguish which case is which. If IN_LIBGCOV is nonzero, @@ -164,6 +177,18 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #ifndef GCC_GCOV_IO_H #define GCC_GCOV_IO_H +#ifndef __KERNEL__ +# define _GCOV_FILE FILE +# define _GCOV_fclose fclose +# define _GCOV_ftell ftell +# define _GCOV_fseek fseek +# define _GCOV_ftruncate ftruncate +# define _GCOV_fread fread +# define _GCOV_fwrite fwrite +# define _GCOV_fread fread +# define _GCOV_fileno fileno +#endif + #ifndef IN_LIBGCOV /* About the host */ @@ -255,8 +280,12 @@ typedef unsigned HOST_WIDEST_INT gcov_type_unsigned; #define GCOV_TAG_COUNTER_NUM(LENGTH) ((LENGTH) / 2) #define GCOV_TAG_OBJECT_SUMMARY ((gcov_unsigned_t)0xa1000000) /* Obsolete */ #define GCOV_TAG_PROGRAM_SUMMARY ((gcov_unsigned_t)0xa3000000) +#define GCOV_TAG_COMDAT_ZERO_FIXUP ((gcov_unsigned_t)0xa9000000) +/* Ceiling divide by 32 bit word size, plus one word to hold NUM. */ +#define GCOV_TAG_COMDAT_ZERO_FIXUP_LENGTH(NUM) (1 + (NUM + 31) / 32) #define GCOV_TAG_SUMMARY_LENGTH(NUM) \ (1 + GCOV_COUNTERS_SUMMABLE * (10 + 3 * 2) + (NUM) * 5) +#define GCOV_TAG_BUILD_INFO ((gcov_unsigned_t)0xa7000000) #define GCOV_TAG_MODULE_INFO ((gcov_unsigned_t)0xab000000) #define GCOV_TAG_AFDO_FILE_NAMES ((gcov_unsigned_t)0xaa000000) #define GCOV_TAG_AFDO_FUNCTION ((gcov_unsigned_t)0xac000000) @@ -434,9 +463,16 @@ GCOV_LINKAGE int gcov_close (void) ATTRIBUTE_HIDDEN; GCOV_LINKAGE gcov_unsigned_t gcov_read_unsigned (void) ATTRIBUTE_HIDDEN; GCOV_LINKAGE gcov_type gcov_read_counter (void) ATTRIBUTE_HIDDEN; GCOV_LINKAGE void gcov_read_summary (struct gcov_summary *) ATTRIBUTE_HIDDEN; +GCOV_LINKAGE int *gcov_read_comdat_zero_fixup (gcov_unsigned_t, + gcov_unsigned_t *) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE char **gcov_read_build_info (gcov_unsigned_t, gcov_unsigned_t *) + ATTRIBUTE_HIDDEN; GCOV_LINKAGE const char *gcov_read_string (void); GCOV_LINKAGE void gcov_sync (gcov_position_t /*base*/, gcov_unsigned_t /*length */); +GCOV_LINKAGE gcov_unsigned_t gcov_read_string_array (char **, gcov_unsigned_t) + ATTRIBUTE_HIDDEN; #if !IN_LIBGCOV && IN_GCOV != 1 @@ -447,6 +483,11 @@ GCOV_LINKAGE void gcov_read_module_info (struct gcov_module_info *mod_info, #if !IN_GCOV /* Available outside gcov */ GCOV_LINKAGE void gcov_write_unsigned (gcov_unsigned_t) ATTRIBUTE_HIDDEN; +GCOV_LINKAGE gcov_unsigned_t gcov_compute_string_array_len (char **, + gcov_unsigned_t) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE void gcov_write_string_array (char **, gcov_unsigned_t) + ATTRIBUTE_HIDDEN; #endif #if !IN_GCOV && !IN_LIBGCOV diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-driver-kernel.c b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-driver-kernel.c new file mode 100644 index 0000000..34298ed --- /dev/null +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-driver-kernel.c @@ -0,0 +1,203 @@ +/* Routines required for instrumenting a program. */ +/* Compile this one with gcc. */ +/* Copyright (C) 1989-2014 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + + +/* A utility function for outputing errors. */ + +static int __attribute__((format(printf, 1, 2))) +gcov_error (const char *fmt, ...) +{ + int ret; + va_list argp; + va_start (argp, fmt); + ret = vprintk (fmt, argp); + va_end (argp); + return ret; +} + +static void +allocate_filename_struct (struct gcov_filename_aux *gf) +{ + const char *gcov_prefix; + int gcov_prefix_strip = 0; + size_t prefix_length = 0; + char *gi_filename_up; + + /* Allocate and initialize the filename scratch space plus one. */ + gi_filename = (char *) xmalloc (prefix_length + gcov_max_filename + 2); + if (prefix_length) + memcpy (gi_filename, gcov_prefix, prefix_length); + gi_filename_up = gi_filename + prefix_length; + + gf->gi_filename_up = gi_filename_up; + gf->prefix_length = prefix_length; + gf->gcov_prefix_strip = gcov_prefix_strip; +} + +static int +gcov_open_by_filename (char *gi_filename) +{ + gcov_open (gi_filename); + return 0; +} + + +/* Strip GCOV_PREFIX_STRIP levels of leading '/' from FILENAME and + put the result into GI_FILENAME_UP. */ + +static void +gcov_strip_leading_dirs (int prefix_length, int gcov_prefix_strip, + const char *filename, char *gi_filename_up) +{ + strcpy (gi_filename_up, filename); +} + +/* Current virual gcda file. This is for kernel use only. */ +gcov_kernel_vfile *gcov_current_file; + +/* Set current virutal gcda file. It needs to be set before dumping + profile data. */ + +void +gcov_set_vfile (gcov_kernel_vfile *file) +{ + gcov_current_file = file; +} + +/* File fclose operation in kernel mode. */ + +int +kernel_file_fclose (gcov_kernel_vfile *fp) +{ + return 0; +} + +/* File ftell operation in kernel mode. It currently should not + be called. */ + +long +kernel_file_ftell (gcov_kernel_vfile *fp) +{ + return 0; +} + +/* File fseek operation in kernel mode. It should only be called + with OFFSET==0 and WHENCE==0 to a freshly opened file. */ + +int +kernel_file_fseek (gcov_kernel_vfile *fp, long offset, int whence) +{ + gcc_assert (offset == 0 && whence == 0 && fp->count == 0); + return 0; +} + +/* File ftruncate operation in kernel mode. It currently should not + be called. */ + +int +kernel_file_ftruncate (gcov_kernel_vfile *fp, off_t value) +{ + gcc_assert (0); /* should not reach here */ + return 0; +} + +/* File fread operation in kernel mode. It currently should not + be called. */ + +int +kernel_file_fread (void *ptr, size_t size, size_t nitems, + gcov_kernel_vfile *fp) +{ + gcc_assert (0); /* should not reach here */ + return 0; +} + +/* File fwrite operation in kernel mode. It outputs the data + to a buffer in the virual file. */ + +int +kernel_file_fwrite (const void *ptr, size_t size, + size_t nitems, gcov_kernel_vfile *fp) +{ + char *vbuf; + unsigned vsize, vpos; + unsigned len; + + if (!fp) return 0; + + vbuf = fp->buf; + vsize = fp->size; + vpos = fp->count; + + + if (vsize < vpos) + { + printk (KERN_ERR + "GCOV_KERNEL: something wrong in file %s: vbuf=%p vsize=%u" + " vpos=%u\n", + fp->info->filename, vbuf, vsize, vpos); + return 0; + } + + len = vsize - vpos; + len /= size; + + /* Increase the virtual file size if it is not suffcient. */ + while (len < nitems) + { + vsize *= 2; + len = vsize - vpos; + len /= size; + } + + if (vsize != fp->size) + { + vbuf = fp->buf = (char *) gcov_realloc_file_buf(vsize, vpos); + fp->size = vsize; + } + + if (len > nitems) + len = nitems; + + memcpy (vbuf+vpos, ptr, size*len); + fp->count += len*size; + + if (len != nitems) + printk (KERN_ERR + "GCOV_KERNEL: something wrong in file %s: size=%lu nitems=%lu" + " len=%d vsize=%u vpos=%u \n", + fp->info->filename, size, nitems, len, vsize, vpos); + return len; +} + +/* File fileno operation in kernel mode. It currently should not + be called. */ + +int +kernel_file_fileno (gcov_kernel_vfile *fp) +{ + gcc_assert (0); /* should not reach here */ + return 0; +} diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-driver.c b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-driver.c index dc8cf36..3c569f1 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-driver.c +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-driver.c @@ -34,28 +34,24 @@ void __gcov_init (struct gcov_info *p __attribute__ ((unused))) {} #else /* inhibit_libc */ +#if !defined(__KERNEL__) #include <string.h> #if GCOV_LOCKED #include <fcntl.h> #include <errno.h> #include <sys/stat.h> #endif +#endif /* __KERNEL__ */ #ifdef L_gcov #include "gcov-io.c" -#ifndef IN_GCOV_TOOL -extern gcov_unsigned_t __gcov_sampling_period; -extern gcov_unsigned_t __gcov_has_sampling; -static int gcov_sampling_period_initialized = 0; -#endif - /* Unique identifier assigned to each module (object file). */ static gcov_unsigned_t gcov_cur_module_id = 0; /* Dynamic call graph build and form module groups. */ -int __gcov_compute_module_groups (void) ATTRIBUTE_HIDDEN; +int __gcov_compute_module_groups (char **zero_counts) ATTRIBUTE_HIDDEN; void __gcov_finalize_dyn_callgraph (void) ATTRIBUTE_HIDDEN; /* The following functions can be called from outside of this file. */ @@ -67,7 +63,11 @@ extern int get_gcov_dump_complete (void) ATTRIBUTE_HIDDEN; extern void set_gcov_list (struct gcov_info *) ATTRIBUTE_HIDDEN; __attribute__((weak)) void __coverage_callback (gcov_type, int); -#ifndef IN_GCOV_TOOL +#if !defined(IN_GCOV_TOOL) && !defined(__KERNEL__) +extern gcov_unsigned_t __gcov_sampling_period; +extern gcov_unsigned_t __gcov_has_sampling; +static int gcov_sampling_period_initialized = 0; + /* Create a strong reference to these symbols so that they are unconditionally pulled into the instrumented binary, even when the only reference is a weak reference. This is necessary because @@ -129,6 +129,24 @@ set_gcov_list (struct gcov_info *head) __gcov_list = head; } +/* Flag if the current function being read was marked as having fixed-up + zero counters. */ +static int __gcov_curr_fn_fixed_up; + +/* Set function fixed up flag. */ +void +set_gcov_fn_fixed_up (int fixed_up) +{ + __gcov_curr_fn_fixed_up = fixed_up; +} + +/* Return function fixed up flag. */ +int +get_gcov_fn_fixed_up (void) +{ + return __gcov_curr_fn_fixed_up; +} + /* Size of the longest file name. */ /* We need to expose this static variable when compiling for gcov-tool. */ #ifndef IN_GCOV_TOOL @@ -181,8 +199,8 @@ free_fn_data (const struct gcov_info *gi_ptr, struct gcov_fn_buffer *buffer, for (ix = 0; ix != limit; ix++) if (gi_ptr->merge[ix]) - free (buffer->info.ctrs[n_ctr++].values); - free (buffer); + xfree (buffer->info.ctrs[n_ctr++].values); + xfree (buffer); return next; } @@ -386,7 +404,10 @@ static int run_accounted = 0; /* This funtions computes the program level summary and the histo-gram. It computes and returns CRC32 and stored summary in THIS_PRG. */ -static gcov_unsigned_t +#if !IN_GCOV_TOOL +static +#endif +gcov_unsigned_t gcov_exit_compute_summary (struct gcov_summary *this_prg) { struct gcov_info *gi_ptr; @@ -451,14 +472,58 @@ struct gcov_filename_aux{ }; /* Including system dependent components. */ +#if !defined (__KERNEL__) #include "libgcov-driver-system.c" +#else +#include "libgcov-driver-kernel.c" +#endif + +static int +scan_build_info (struct gcov_info *gi_ptr) +{ + gcov_unsigned_t i, length; + gcov_unsigned_t num_strings = 0; + char **build_info_strings; + length = gcov_read_unsigned (); + build_info_strings = gcov_read_build_info (length, &num_strings); + if (!build_info_strings) + { + gcov_error ("profiling:%s:Error reading build info\n", gi_filename); + return -1; + } + if (!gi_ptr->build_info) + { + gcov_error ("profiling:%s:Mismatched build info sections, expected " + "none, found %u strings)\n", gi_filename, num_strings); + return -1; + } + + for (i = 0; i < num_strings; i++) + { + if (strcmp (build_info_strings[i], gi_ptr->build_info[i])) + { + gcov_error ("profiling:%s:Mismatched build info string " + "(expected %s, read %s)\n", + gi_filename, gi_ptr->build_info[i], + build_info_strings[i]); + return -1; + } + xfree (build_info_strings[i]); + } + xfree (build_info_strings); + return 0; +} + +#if !defined(__KERNEL__) /* Scan through the current open gcda file corresponding to GI_PTR - to locate the end position of the last summary, returned in - SUMMARY_END_POS_P. Return 0 on success, -1 on error. */ + to locate the end position just before function data should be rewritten, + returned in SUMMARY_END_POS_P. E.g. scan past the last summary and other + sections that won't be rewritten, like the build info. Return 0 on success, + -1 on error. */ static int -gcov_scan_summary_end (struct gcov_info *gi_ptr, - gcov_position_t *summary_end_pos_p) +gcov_scan_to_function_data (struct gcov_info *gi_ptr, + gcov_position_t *summary_end_pos_p) { gcov_unsigned_t tag, version, stamp; tag = gcov_read_unsigned (); @@ -493,8 +558,21 @@ gcov_scan_summary_end (struct gcov_info *gi_ptr, return -1; } + /* If there is a build info section, scan past it as well. */ + if (tag == GCOV_TAG_BUILD_INFO) + { + if (scan_build_info (gi_ptr) < 0) + return -1; + + *summary_end_pos_p = gcov_position (); + tag = gcov_read_unsigned (); + } + /* The next section should be the function counters. */ + gcc_assert (tag == GCOV_TAG_FUNCTION); + return 0; } +#endif /* __KERNEL__ */ /* This function merges counters in GI_PTR to an existing gcda file. Return 0 on success. @@ -514,6 +592,7 @@ gcov_exit_merge_gcda (struct gcov_info *gi_ptr, int error = 0; struct gcov_fn_buffer **fn_tail = &fn_buffer; struct gcov_summary_buffer **sum_tail = &sum_buffer; + int *zero_fixup_flags = NULL; length = gcov_read_unsigned (); if (!gcov_version (gi_ptr, length, gi_filename)) @@ -565,6 +644,31 @@ gcov_exit_merge_gcda (struct gcov_info *gi_ptr, next_summary:; } + if (tag == GCOV_TAG_BUILD_INFO) + { + if (scan_build_info (gi_ptr) < 0) + return -1; + + /* Since the stamps matched if we got here, this should be from + the same compilation and the build info strings should match. */ + tag = gcov_read_unsigned (); + } + + if (tag == GCOV_TAG_COMDAT_ZERO_FIXUP) + { + gcov_unsigned_t num_fns = 0; + length = gcov_read_unsigned (); + zero_fixup_flags = gcov_read_comdat_zero_fixup (length, &num_fns); + if (!zero_fixup_flags) + { + gcov_error ("profiling:%s:Error reading zero fixup flags\n", + gi_filename); + return -1; + } + + tag = gcov_read_unsigned (); + } + /* Merge execution counts for each function. */ for (f_ix = 0; (unsigned)f_ix != gi_ptr->n_functions; f_ix++, tag = gcov_read_unsigned ()) @@ -598,6 +702,9 @@ gcov_exit_merge_gcda (struct gcov_info *gi_ptr, continue; } + if (zero_fixup_flags) + set_gcov_fn_fixed_up (zero_fixup_flags[f_ix]); + length = gcov_read_unsigned (); if (length != gfi_ptr->ident) goto read_mismatch; @@ -629,6 +736,7 @@ gcov_exit_merge_gcda (struct gcov_info *gi_ptr, if ((error = gcov_is_error ())) goto read_error; } + xfree (zero_fixup_flags); if (tag && tag != GCOV_TAG_MODULE_INFO) { @@ -646,6 +754,57 @@ read_error: return -1; } +#if !defined(__KERNEL__) +/* Write NUM_FNS ZERO_COUNTS fixup flags to a gcda file starting from its + current location. */ + +static void +gcov_write_comdat_zero_fixup (char *zero_counts, unsigned num_fns) +{ + unsigned f_ix; + gcov_unsigned_t len = GCOV_TAG_COMDAT_ZERO_FIXUP_LENGTH (num_fns); + gcov_unsigned_t bitvector = 0, b_ix = 0; + gcov_write_tag_length (GCOV_TAG_COMDAT_ZERO_FIXUP, len); + + gcov_write_unsigned (num_fns); + for (f_ix = 0; f_ix != num_fns; f_ix++) + { + if (zero_counts[f_ix]) + bitvector |= 1 << b_ix; + if (++b_ix == 32) + { + gcov_write_unsigned (bitvector); + b_ix = 0; + bitvector = 0; + } + } + if (b_ix > 0) + gcov_write_unsigned (bitvector); +} +#endif /* __KERNEL__ */ + +/* Write build_info strings from GI_PTR to a gcda file starting from its current + location. */ + +static void +gcov_write_build_info (struct gcov_info *gi_ptr) +{ + gcov_unsigned_t num = 0; + gcov_unsigned_t len = 1; + + if (!gi_ptr->build_info) + return; + + /* Count the number of strings, which is terminated with an empty string. */ + while (gi_ptr->build_info[num][0]) + num++; + + len += gcov_compute_string_array_len (gi_ptr->build_info, num); + gcov_write_tag_length (GCOV_TAG_BUILD_INFO, len); + gcov_write_unsigned (num); + gcov_write_string_array (gi_ptr->build_info, num); +} + /* Write counters in GI_PTR to a gcda file starting from its current location. */ @@ -676,7 +835,7 @@ gcov_write_func_counters (struct gcov_info *gi_ptr) if (gfi_ptr && gfi_ptr->key == gi_ptr) length = GCOV_TAG_FUNCTION_LENGTH; else - length = 0; + length = 0; } gcov_write_tag_length (GCOV_TAG_FUNCTION, length); @@ -704,8 +863,10 @@ gcov_write_func_counters (struct gcov_info *gi_ptr) gcov_write_counter (*c_ptr++); ci_ptr++; } +#if !defined(__KERNEL__) if (buffered) fn_buffer = free_fn_data (gi_ptr, fn_buffer, GCOV_COUNTERS); +#endif /* __KERNEL__ */ } gi_ptr->eof_pos = gcov_position (); @@ -748,10 +909,12 @@ gcov_exit_write_gcda (struct gcov_info *gi_ptr, { gcov_write_summary (GCOV_TAG_PROGRAM_SUMMARY, &sum_buffer->summary); next_sum_buffer = sum_buffer->next; - free (sum_buffer); + xfree (sum_buffer); sum_buffer = next_sum_buffer; } + gcov_write_build_info (gi_ptr); + /* Write the counters. */ gcov_write_func_counters (gi_ptr); } @@ -835,6 +998,8 @@ gcov_exit_merge_summary (const struct gcov_info *gi_ptr, struct gcov_summary *pr return 0; } +__attribute__((weak)) gcov_unsigned_t __gcov_lipo_sampling_period; + /* Sort N entries in VALUE_ARRAY in descending order. Each entry in VALUE_ARRAY has two values. The sorting is based on the second value. */ @@ -906,6 +1071,62 @@ gcov_sort_topn_counter_arrays (const struct gcov_info *gi_ptr) } } +/* Scaling LIPO sampled profile counters. */ +static void +gcov_scaling_lipo_counters (const struct gcov_info *gi_ptr) +{ + unsigned int i,j,k; + int f_ix; + const struct gcov_fn_info *gfi_ptr; + const struct gcov_ctr_info *ci_ptr; + + if (__gcov_lipo_sampling_period <= 1) + return; + + for (f_ix = 0; (unsigned)f_ix != gi_ptr->n_functions; f_ix++) + { + gfi_ptr = gi_ptr->functions[f_ix]; + ci_ptr = gfi_ptr->ctrs; + for (i = 0; i < GCOV_COUNTERS; i++) + { + if (!gcov_counter_active (gi_ptr, i)) + continue; + if (i == GCOV_COUNTER_ICALL_TOPNV) + { + for (j = 0; j < ci_ptr->num; j += GCOV_ICALL_TOPN_NCOUNTS) + for (k = 2; k < GCOV_ICALL_TOPN_NCOUNTS; k += 2) + ci_ptr->values[j+k] *= __gcov_lipo_sampling_period; + } + if (i == GCOV_COUNTER_DIRECT_CALL) + { + for (j = 0; j < ci_ptr->num; j += 2) + ci_ptr->values[j+1] *= __gcov_lipo_sampling_period; + } + ci_ptr++; + } + } +} + +/* Open a gcda file specified by GI_FILENAME. + Return -1 on error. Return 0 on success. */ + +static int +gcov_exit_open_gcda_file (struct gcov_info *gi_ptr, struct gcov_filename_aux *gf) +{ + int gcov_prefix_strip; + size_t prefix_length; + char *gi_filename_up; + + gcov_prefix_strip = gf->gcov_prefix_strip; + gi_filename_up = gf->gi_filename_up; + prefix_length = gf->prefix_length; + + gcov_strip_leading_dirs (prefix_length, gcov_prefix_strip, gi_ptr->filename, + gi_filename_up); + + return gcov_open_by_filename (gi_filename); +} + /* Dump the coverage counts for one gcov_info object. We merge with existing counts when possible, to avoid growing the .da files ad infinitum. We use this program's checksum to make sure we only accumulate whole program @@ -918,9 +1139,14 @@ gcov_exit_dump_gcov (struct gcov_info *gi_ptr, struct gcov_filename_aux *gf, gcov_unsigned_t crc32, struct gcov_summary *all_prg, struct gcov_summary *this_prg) { +/* We have to make the decl static as kernel has limited stack size. + If we put prg to stack, we will running into nasty stack overflow. */ +#if defined(__KERNEL__) + static +#endif struct gcov_summary prg; /* summary for this object over all program. */ int error; - gcov_unsigned_t tag; + gcov_unsigned_t tag = 0; gcov_position_t summary_pos = 0; gcov_position_t eof_pos = 0; @@ -928,12 +1154,15 @@ gcov_exit_dump_gcov (struct gcov_info *gi_ptr, struct gcov_filename_aux *gf, sum_buffer = 0; gcov_sort_topn_counter_arrays (gi_ptr); + gcov_scaling_lipo_counters (gi_ptr); error = gcov_exit_open_gcda_file (gi_ptr, gf); if (error == -1) return; +#if !defined(__KERNEL__) tag = gcov_read_unsigned (); +#endif if (tag) { /* Merge data from file. */ @@ -964,8 +1193,21 @@ gcov_exit_dump_gcov (struct gcov_info *gi_ptr, struct gcov_filename_aux *gf, /* fall through */ read_fatal:; +#if !defined(__KERNEL__) while (fn_buffer) fn_buffer = free_fn_data (gi_ptr, fn_buffer, GCOV_COUNTERS); +#else + + /* In LIPO mode, dump the primary module info. */ + if (gi_ptr->mod_info && gi_ptr->mod_info->is_primary) + { + /* Overwrite the zero word at the of the file. */ + gcov_seek (gi_ptr->eof_pos); + gcov_write_module_info (gi_ptr, 1); + /* Write the end marker */ + gcov_write_unsigned (0); + } +#endif if ((error = gcov_close ())) gcov_error (error < 0 ? @@ -974,6 +1216,7 @@ read_fatal:; gi_filename); } +#if !defined (__KERNEL__) /* Write imported files (auxiliary modules) for primary module GI_PTR into file GI_FILENAME. */ @@ -1009,7 +1252,7 @@ gcov_write_import_file (char *gi_filename, struct gcov_info *gi_ptr) fprintf (imports_file, "%s%s\n", imp_mods[i]->imp_mod->mod_info->da_filename, GCOV_DATA_SUFFIX); } - free (imp_mods); + xfree (imp_mods); } fclose (imports_file); } @@ -1020,9 +1263,24 @@ gcov_dump_module_info (struct gcov_filename_aux *gf) { struct gcov_info *gi_ptr; + unsigned max_module_id = 0; + for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) + { + unsigned mod_id = gi_ptr->mod_info->ident; + if (max_module_id < mod_id) + max_module_id = mod_id; + } + char **zero_counts = (char **) xcalloc (max_module_id, sizeof (char *)); + for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) + { + unsigned mod_id = gi_ptr->mod_info->ident; + zero_counts[mod_id-1] = (char *) xcalloc (gi_ptr->n_functions, + sizeof (char)); + } + /* Compute the module groups and record whether there were any counter fixups applied that require rewriting the counters. */ - int changed = __gcov_compute_module_groups (); + int changed = __gcov_compute_module_groups (zero_counts); /* Now write out module group info. */ for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) @@ -1034,10 +1292,10 @@ gcov_dump_module_info (struct gcov_filename_aux *gf) if (changed) { - /* Scan file to find the end of the summary section, which is + /* Scan file to find the start of the function section, which is where we will start re-writing the counters. */ gcov_position_t summary_end_pos; - if (gcov_scan_summary_end (gi_ptr, &summary_end_pos) == -1) + if (gcov_scan_to_function_data (gi_ptr, &summary_end_pos) == -1) gcov_error ("profiling:%s:Error scanning summaries\n", gi_filename); else @@ -1045,8 +1303,15 @@ gcov_dump_module_info (struct gcov_filename_aux *gf) gcov_position_t eof_pos = gi_ptr->eof_pos; gcov_rewrite (); gcov_seek (summary_end_pos); + + unsigned mod_id = gi_ptr->mod_info->ident; + gcov_write_comdat_zero_fixup (zero_counts[mod_id-1], + gi_ptr->n_functions); + gcov_position_t zero_fixup_eof_pos = gcov_position (); + gcov_write_func_counters (gi_ptr); - gcc_assert (eof_pos == gi_ptr->eof_pos); + gcc_assert (eof_pos + (zero_fixup_eof_pos - summary_end_pos) + == gi_ptr->eof_pos); } } else @@ -1065,7 +1330,11 @@ gcov_dump_module_info (struct gcov_filename_aux *gf) "profiling:%s:Error writing\n", gi_filename); gcov_write_import_file (gi_filename, gi_ptr); + free (zero_counts[gi_ptr->mod_info->ident-1]); } + + free (zero_counts); + __gcov_finalize_dyn_callgraph (); } @@ -1102,7 +1371,8 @@ gcov_exit (void) /* The IS_PRIMARY field is overloaded to indicate if this module is FDO/LIPO. */ - dump_module_info |= gi_ptr->mod_info->is_primary; + if (gi_ptr->mod_info) + dump_module_info |= gi_ptr->mod_info->is_primary; } run_accounted = 1; @@ -1110,38 +1380,7 @@ gcov_exit (void) gcov_dump_module_info (&gf); if (gi_filename) - free (gi_filename); -} - -/* Reset all counters to zero. */ - -void -gcov_clear (void) -{ - const struct gcov_info *gi_ptr; - - for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) - { - unsigned f_ix; - - for (f_ix = 0; f_ix < gi_ptr->n_functions; f_ix++) - { - unsigned t_ix; - const struct gcov_fn_info *gfi_ptr = gi_ptr->functions[f_ix]; - - if (!gfi_ptr || gfi_ptr->key != gi_ptr) - continue; - const struct gcov_ctr_info *ci_ptr = gfi_ptr->ctrs; - for (t_ix = 0; t_ix != GCOV_COUNTERS; t_ix++) - { - if (!gi_ptr->merge[t_ix]) - continue; - - memset (ci_ptr->values, 0, sizeof (gcov_type) * ci_ptr->num); - ci_ptr++; - } - } - } + xfree (gi_filename); } /* Add a new object file onto the bb chain. Invoked automatically @@ -1160,6 +1399,13 @@ __gcov_init (struct gcov_info *info) if (env_value_int >= 1) __gcov_sampling_period = env_value_int; } + env_value_str = getenv ("GCOV_LIPO_SAMPLING_PERIOD"); + if (env_value_str) + { + int env_value_int = atoi(env_value_str); + if (env_value_int >= 0) + __gcov_lipo_sampling_period = env_value_int; + } gcov_sampling_period_initialized = 1; } #endif @@ -1189,5 +1435,116 @@ __gcov_init (struct gcov_info *info) info->version = 0; } +#else /* __KERNEL__ */ + +static struct gcov_filename_aux gf; +static gcov_unsigned_t crc32; +static struct gcov_summary all_prg; +static struct gcov_summary this_prg; +void +gcov_kernel_dump_gcov_init (void) +{ + crc32 = gcov_exit_compute_summary (&this_prg); + allocate_filename_struct (&gf); + memset (&all_prg, 0, sizeof (all_prg)); +} + +void +gcov_kernel_dump_one_gcov(struct gcov_info *info) +{ + gcov_exit_dump_gcov (info, &gf, crc32, &all_prg, &this_prg); +} + +#endif /* __KERNEL__ */ + +/* Reset all counters to zero. */ + +void +gcov_clear (void) +{ + const struct gcov_info *gi_ptr; + + for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) + { + unsigned f_ix; + + for (f_ix = 0; f_ix < gi_ptr->n_functions; f_ix++) + { + unsigned t_ix; + const struct gcov_fn_info *gfi_ptr = gi_ptr->functions[f_ix]; + const struct gcov_ctr_info *ci_ptr; + + if (!gfi_ptr || gfi_ptr->key != gi_ptr) + continue; + ci_ptr = gfi_ptr->ctrs; + for (t_ix = 0; t_ix != GCOV_COUNTERS; t_ix++) + { + if (!gi_ptr->merge[t_ix]) + continue; + + memset (ci_ptr->values, 0, sizeof (gcov_type) * ci_ptr->num); + ci_ptr++; + } + } + } +} + +/* Write out MOD_INFO into the gcda file. IS_PRIMARY is a flag + indicating if the module is the primary module in the group. */ + +void +gcov_write_module_info (const struct gcov_info *mod_info, + unsigned is_primary) +{ + gcov_unsigned_t len = 0, filename_len = 0, src_filename_len = 0, i; + gcov_unsigned_t num_strings; + gcov_unsigned_t *aligned_fname; + struct gcov_module_info *module_info = mod_info->mod_info; + filename_len = (strlen (module_info->da_filename) + + sizeof (gcov_unsigned_t)) / sizeof (gcov_unsigned_t); + src_filename_len = (strlen (module_info->source_filename) + + sizeof (gcov_unsigned_t)) / sizeof (gcov_unsigned_t); + len = filename_len + src_filename_len; + len += 2; /* each name string is led by a length. */ + + num_strings = module_info->num_quote_paths + module_info->num_bracket_paths + + module_info->num_system_paths + + module_info->num_cpp_defines + module_info->num_cpp_includes + + module_info->num_cl_args; + len += gcov_compute_string_array_len (module_info->string_array, + num_strings); + + len += 11; /* 11 more fields */ + + gcov_write_tag_length (GCOV_TAG_MODULE_INFO, len); + gcov_write_unsigned (module_info->ident); + gcov_write_unsigned (is_primary); + gcov_write_unsigned (module_info->flags); + gcov_write_unsigned (module_info->lang); + gcov_write_unsigned (module_info->ggc_memory); + gcov_write_unsigned (module_info->num_quote_paths); + gcov_write_unsigned (module_info->num_bracket_paths); + gcov_write_unsigned (module_info->num_system_paths); + gcov_write_unsigned (module_info->num_cpp_defines); + gcov_write_unsigned (module_info->num_cpp_includes); + gcov_write_unsigned (module_info->num_cl_args); + + /* Now write the filenames */ + aligned_fname = (gcov_unsigned_t *) alloca ((filename_len + src_filename_len + 2) * + sizeof (gcov_unsigned_t)); + memset (aligned_fname, 0, + (filename_len + src_filename_len + 2) * sizeof (gcov_unsigned_t)); + aligned_fname[0] = filename_len; + strcpy ((char*) (aligned_fname + 1), module_info->da_filename); + aligned_fname[filename_len + 1] = src_filename_len; + strcpy ((char*) (aligned_fname + filename_len + 2), module_info->source_filename); + + for (i = 0; i < (filename_len + src_filename_len + 2); i++) + gcov_write_unsigned (aligned_fname[i]); + + /* Now write the string array. */ + gcov_write_string_array (module_info->string_array, num_strings); +} + #endif /* L_gcov */ #endif /* inhibit_libc */ diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-kernel.h b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-kernel.h new file mode 100644 index 0000000..b44af53 --- /dev/null +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-kernel.h @@ -0,0 +1,121 @@ +/* Header file for libgcov-*.c. + Copyright (C) 1996-2014 Free Software Foundation, Inc. + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free + Software Foundation; either version 3, or (at your option) any later + version. + + GCC is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef GCC_LIBGCOV_KERNEL_H +#define GCC_LIBGCOV_KERNEL_H + +/* work around the poisoned malloc/calloc in system.h. */ +#ifndef xmalloc +#define xmalloc vmalloc +#endif +#ifndef xcalloc +#define xcalloc vcalloc +#endif +#ifndef xrealloc +#define xrealloc vrealloc +#endif +#ifndef xfree +#define xfree vfree +#endif +#ifndef alloca +#define alloca __builtin_alloca +#endif + +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif + + /* Define MACROs to be used by kernel compilation. */ +# define L_gcov +# define L_gcov_interval_profiler +# define L_gcov_pow2_profiler +# define L_gcov_one_value_profiler +# define L_gcov_indirect_call_profiler_v2 +# define L_gcov_direct_call_profiler +# define L_gcov_indirect_call_profiler +# define L_gcov_indirect_call_topn_profiler +# define L_gcov_time_profiler +# define L_gcov_average_profiler +# define L_gcov_ior_profiler +# define L_gcov_merge_add +# define L_gcov_merge_single +# define L_gcov_merge_delta +# define L_gcov_merge_ior +# define L_gcov_merge_time_profile +# define L_gcov_merge_icall_topn +# define L_gcov_merge_dc + +# define IN_LIBGCOV 1 +# define IN_GCOV 0 +#define THREAD_PREFIX +#define GCOV_LINKAGE /* nothing */ +#define BITS_PER_UNIT 8 +#define LONG_LONG_TYPE_SIZE 64 +#define MEMMODEL_RELAXED 0 + +#define ENABLE_ASSERT_CHECKING 1 + +/* gcc_assert() prints out a warning if the check fails. It + will not abort. */ +#if ENABLE_ASSERT_CHECKING +# define gcc_assert(EXPR) \ + ((void)(!(EXPR) ? printk (KERN_WARNING \ + "GCOV assertion fails: func=%s line=%d\n", \ + __FUNCTION__, __LINE__), 0 : 0)) +#else +# define gcc_assert(EXPR) ((void)(0 && (EXPR))) +#endif + +/* In Linux kernel mode, a virtual file is used for file operations. */ +struct gcov_info; +typedef struct { + long size; /* size of buf */ + long count; /* element written into buf */ + struct gcov_info *info; + char *buf; +} gcov_kernel_vfile; + +#define _GCOV_FILE gcov_kernel_vfile + +/* Wrappers to the file operations. */ +#define _GCOV_fclose kernel_file_fclose +#define _GCOV_ftell kernel_file_ftell +#define _GCOV_fseek kernel_file_fseek +#define _GCOV_ftruncate kernel_file_ftruncate +#define _GCOV_fread kernel_file_fread +#define _GCOV_fwrite kernel_file_fwrite +#define _GCOV_fileno kernel_file_fileno + +/* Declarations for virtual files operations. */ +extern int kernel_file_fclose (gcov_kernel_vfile *); +extern long kernel_file_ftell (gcov_kernel_vfile *); +extern int kernel_file_fseek (gcov_kernel_vfile *, long, int); +extern int kernel_file_ftruncate (gcov_kernel_vfile *, off_t); +extern int kernel_file_fread (void *, size_t, size_t, + gcov_kernel_vfile *); +extern int kernel_file_fwrite (const void *, size_t, size_t, + gcov_kernel_vfile *); +extern int kernel_file_fileno (gcov_kernel_vfile *); + +#endif /* GCC_LIBGCOV_KERNEL_H */ diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-merge.c b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-merge.c new file mode 100644 index 0000000..997dab3 --- /dev/null +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-merge.c @@ -0,0 +1,299 @@ +/* Routines required for instrumenting a program. */ +/* Compile this one with gcc. */ +/* Copyright (C) 1989-2014 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +#include "libgcov.h" + +#if defined(inhibit_libc) +/* If libc and its header files are not available, provide dummy functions. */ + +#ifdef L_gcov_merge_add +void __gcov_merge_add (gcov_type *counters __attribute__ ((unused)), + unsigned n_counters __attribute__ ((unused))) {} +#endif + +#ifdef L_gcov_merge_single +void __gcov_merge_single (gcov_type *counters __attribute__ ((unused)), + unsigned n_counters __attribute__ ((unused))) {} +#endif + +#ifdef L_gcov_merge_delta +void __gcov_merge_delta (gcov_type *counters __attribute__ ((unused)), + unsigned n_counters __attribute__ ((unused))) {} +#endif + +#else + +#ifdef L_gcov_merge_add +/* The profile merging function that just adds the counters. It is given + an array COUNTERS of N_COUNTERS old counters and it reads the same number + of counters from the gcov file. */ +void +__gcov_merge_add (gcov_type *counters, unsigned n_counters) +{ + for (; n_counters; counters++, n_counters--) + *counters += gcov_get_counter (); +} +#endif /* L_gcov_merge_add */ + +#ifdef L_gcov_merge_ior +/* The profile merging function that just adds the counters. It is given + an array COUNTERS of N_COUNTERS old counters and it reads the same number + of counters from the gcov file. */ +void +__gcov_merge_ior (gcov_type *counters, unsigned n_counters) +{ + for (; n_counters; counters++, n_counters--) + *counters |= gcov_get_counter_target (); +} +#endif + + +#ifdef L_gcov_merge_dc + +/* Returns 1 if the function global id GID is not valid. */ + +static int +__gcov_is_gid_insane (gcov_type gid) +{ + if (EXTRACT_MODULE_ID_FROM_GLOBAL_ID (gid) == 0 + || EXTRACT_FUNC_ID_FROM_GLOBAL_ID (gid) == 0) + return 1; + return 0; +} + +/* The profile merging function used for merging direct call counts + This function is given array COUNTERS of N_COUNTERS old counters and it + reads the same number of counters from the gcov file. */ + +void +__gcov_merge_dc (gcov_type *counters, unsigned n_counters) +{ + unsigned i; + + gcc_assert (!(n_counters % 2)); + for (i = 0; i < n_counters; i += 2) + { + gcov_type global_id = gcov_get_counter_target (); + gcov_type call_count = gcov_get_counter (); + + /* Note that global id counter may never have been set if no calls were + made from this call-site. */ + if (counters[i] && global_id) + { + /* TODO race condition requires us do the following correction. */ + if (__gcov_is_gid_insane (counters[i])) + counters[i] = global_id; + else if (__gcov_is_gid_insane (global_id)) + global_id = counters[i]; + +#if !defined(__KERNEL__) + /* In the case of inconsistency, use the src's target. */ + if (counters[i] != global_id) + fprintf (stderr, "Warning: Inconsistent call targets in" + " direct-call profile.\n"); +#endif + } + else if (global_id) + counters[i] = global_id; + + counters[i + 1] += call_count; + + /* Reset. */ + if (__gcov_is_gid_insane (counters[i])) + counters[i] = counters[i + 1] = 0; + + /* Assert that the invariant (global_id == 0) <==> (call_count == 0) + holds true after merging. */ + if (counters[i] == 0) + counters[i+1] = 0; + if (counters[i + 1] == 0) + counters[i] = 0; + } +} +#endif + + +#ifdef L_gcov_merge_icall_topn +/* The profile merging function used for merging indirect call counts + This function is given array COUNTERS of N_COUNTERS old counters and it + reads the same number of counters from the gcov file. */ + +void +__gcov_merge_icall_topn (gcov_type *counters, unsigned n_counters) +{ + unsigned i, j, k, m; + + gcc_assert (!(n_counters % GCOV_ICALL_TOPN_NCOUNTS)); + for (i = 0; i < n_counters; i += GCOV_ICALL_TOPN_NCOUNTS) + { + gcov_type *value_array = &counters[i + 1]; + unsigned tmp_size = 2 * (GCOV_ICALL_TOPN_NCOUNTS - 1); + gcov_type *tmp_array + = (gcov_type *) alloca (tmp_size * sizeof (gcov_type)); + + for (j = 0; j < tmp_size; j++) + tmp_array[j] = 0; + + for (j = 0; j < GCOV_ICALL_TOPN_NCOUNTS - 1; j += 2) + { + tmp_array[j] = value_array[j]; + tmp_array[j + 1] = value_array [j + 1]; + } + + /* Skip the number_of_eviction entry. */ + gcov_get_counter (); + for (k = 0; k < GCOV_ICALL_TOPN_NCOUNTS - 1; k += 2) + { + int found = 0; + gcov_type global_id = gcov_get_counter_target (); + gcov_type call_count = gcov_get_counter (); + for (m = 0; m < j; m += 2) + { + if (tmp_array[m] == global_id) + { + found = 1; + tmp_array[m + 1] += call_count; + break; + } + } + if (!found) + { + tmp_array[j] = global_id; + tmp_array[j + 1] = call_count; + j += 2; + } + } + /* Now sort the temp array */ + gcov_sort_n_vals (tmp_array, j); + + /* Now copy back the top half of the temp array */ + for (k = 0; k < GCOV_ICALL_TOPN_NCOUNTS - 1; k += 2) + { + value_array[k] = tmp_array[k]; + value_array[k + 1] = tmp_array[k + 1]; + } + } +} +#endif + + +#ifdef L_gcov_merge_time_profile +/* Time profiles are merged so that minimum from all valid (greater than zero) + is stored. There could be a fork that creates new counters. To have + the profile stable, we chosen to pick the smallest function visit time. */ +void +__gcov_merge_time_profile (gcov_type *counters, unsigned n_counters) +{ + unsigned int i; + gcov_type value; + + for (i = 0; i < n_counters; i++) + { + value = gcov_get_counter_target (); + + if (value && (!counters[i] || value < counters[i])) + counters[i] = value; + } +} +#endif /* L_gcov_merge_time_profile */ + +#ifdef L_gcov_merge_single +/* The profile merging function for choosing the most common value. + It is given an array COUNTERS of N_COUNTERS old counters and it + reads the same number of counters from the gcov file. The counters + are split into 3-tuples where the members of the tuple have + meanings: + + -- the stored candidate on the most common value of the measured entity + -- counter + -- total number of evaluations of the value */ +void +__gcov_merge_single (gcov_type *counters, unsigned n_counters) +{ + unsigned i, n_measures; + gcov_type value, counter, all; + + gcc_assert (!(n_counters % 3)); + n_measures = n_counters / 3; + for (i = 0; i < n_measures; i++, counters += 3) + { + value = gcov_get_counter_target (); + counter = gcov_get_counter (); + all = gcov_get_counter (); + + if (counters[0] == value) + counters[1] += counter; + else if (counter > counters[1]) + { + counters[0] = value; + counters[1] = counter - counters[1]; + } + else + counters[1] -= counter; + counters[2] += all; + } +} +#endif /* L_gcov_merge_single */ + +#ifdef L_gcov_merge_delta +/* The profile merging function for choosing the most common + difference between two consecutive evaluations of the value. It is + given an array COUNTERS of N_COUNTERS old counters and it reads the + same number of counters from the gcov file. The counters are split + into 4-tuples where the members of the tuple have meanings: + + -- the last value of the measured entity + -- the stored candidate on the most common difference + -- counter + -- total number of evaluations of the value */ +void +__gcov_merge_delta (gcov_type *counters, unsigned n_counters) +{ + unsigned i, n_measures; + gcov_type value, counter, all; + + gcc_assert (!(n_counters % 4)); + n_measures = n_counters / 4; + for (i = 0; i < n_measures; i++, counters += 4) + { + /* last = */ gcov_get_counter (); + value = gcov_get_counter_target (); + counter = gcov_get_counter (); + all = gcov_get_counter (); + + if (counters[1] == value) + counters[2] += counter; + else if (counter > counters[2]) + { + counters[1] = value; + counters[2] = counter - counters[2]; + } + else + counters[2] -= counter; + counters[3] += all; + } +} +#endif /* L_gcov_merge_delta */ +#endif /* inhibit_libc */ diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-profiler.c b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-profiler.c new file mode 100644 index 0000000..7552ada --- /dev/null +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov-profiler.c @@ -0,0 +1,477 @@ +/* Routines required for instrumenting a program. */ +/* Compile this one with gcc. */ +/* Copyright (C) 1989-2014 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +#include "libgcov.h" +#if !defined(inhibit_libc) + +#ifdef L_gcov_interval_profiler +/* If VALUE is in interval <START, START + STEPS - 1>, then increases the + corresponding counter in COUNTERS. If the VALUE is above or below + the interval, COUNTERS[STEPS] or COUNTERS[STEPS + 1] is increased + instead. */ + +void +__gcov_interval_profiler (gcov_type *counters, gcov_type value, + int start, unsigned steps) +{ + gcov_type delta = value - start; + if (delta < 0) + counters[steps + 1]++; + else if (delta >= steps) + counters[steps]++; + else + counters[delta]++; +} +#endif + +#ifdef L_gcov_pow2_profiler +/* If VALUE is a power of two, COUNTERS[1] is incremented. Otherwise + COUNTERS[0] is incremented. */ + +void +__gcov_pow2_profiler (gcov_type *counters, gcov_type value) +{ + if (value & (value - 1)) + counters[0]++; + else + counters[1]++; +} +#endif + +/* Tries to determine the most common value among its inputs. Checks if the + value stored in COUNTERS[0] matches VALUE. If this is the case, COUNTERS[1] + is incremented. If this is not the case and COUNTERS[1] is not zero, + COUNTERS[1] is decremented. Otherwise COUNTERS[1] is set to one and + VALUE is stored to COUNTERS[0]. This algorithm guarantees that if this + function is called more than 50% of the time with one value, this value + will be in COUNTERS[0] in the end. + + In any case, COUNTERS[2] is incremented. */ + +static inline void +__gcov_one_value_profiler_body (gcov_type *counters, gcov_type value) +{ + if (value == counters[0]) + counters[1]++; + else if (counters[1] == 0) + { + counters[1] = 1; + counters[0] = value; + } + else + counters[1]--; + counters[2]++; +} + +/* Atomic update version of __gcov_one_value_profile_body(). */ +static inline void +__gcov_one_value_profiler_body_atomic (gcov_type *counters, gcov_type value) +{ + if (value == counters[0]) + GCOV_TYPE_ATOMIC_FETCH_ADD_FN (&counters[1], 1, MEMMODEL_RELAXED); + else if (counters[1] == 0) + { + counters[1] = 1; + counters[0] = value; + } + else + GCOV_TYPE_ATOMIC_FETCH_ADD_FN (&counters[1], -1, MEMMODEL_RELAXED); + GCOV_TYPE_ATOMIC_FETCH_ADD_FN (&counters[2], 1, MEMMODEL_RELAXED); +} + + +#ifdef L_gcov_one_value_profiler +void +__gcov_one_value_profiler (gcov_type *counters, gcov_type value) +{ + __gcov_one_value_profiler_body (counters, value); +} + +void +__gcov_one_value_profiler_atomic (gcov_type *counters, gcov_type value) +{ + __gcov_one_value_profiler_body_atomic (counters, value); +} + + +#endif + +#ifdef L_gcov_indirect_call_profiler +/* This function exist only for workaround of binutils bug 14342. + Once this compatibility hack is obsolette, it can be removed. */ + +/* By default, the C++ compiler will use function addresses in the + vtable entries. Setting TARGET_VTABLE_USES_DESCRIPTORS to nonzero + tells the compiler to use function descriptors instead. The value + of this macro says how many words wide the descriptor is (normally 2), + but it may be dependent on target flags. Since we do not have access + to the target flags here we just check to see if it is set and use + that to set VTABLE_USES_DESCRIPTORS to 0 or 1. + + It is assumed that the address of a function descriptor may be treated + as a pointer to a function. */ + +#ifdef TARGET_VTABLE_USES_DESCRIPTORS +#define VTABLE_USES_DESCRIPTORS 1 +#else +#define VTABLE_USES_DESCRIPTORS 0 +#endif + +/* Tries to determine the most common value among its inputs. */ +void +__gcov_indirect_call_profiler (gcov_type* counter, gcov_type value, + void* cur_func, void* callee_func) +{ + /* If the C++ virtual tables contain function descriptors then one + function may have multiple descriptors and we need to dereference + the descriptors to see if they point to the same function. */ + if (cur_func == callee_func + || (VTABLE_USES_DESCRIPTORS && callee_func + && *(void **) cur_func == *(void **) callee_func)) + __gcov_one_value_profiler_body (counter, value); +} + + +/* Atomic update version of __gcov_indirect_call_profiler(). */ +void +__gcov_indirect_call_profiler_atomic (gcov_type* counter, gcov_type value, + void* cur_func, void* callee_func) +{ + if (cur_func == callee_func + || (VTABLE_USES_DESCRIPTORS && callee_func + && *(void **) cur_func == *(void **) callee_func)) + __gcov_one_value_profiler_body_atomic (counter, value); +} + + +#endif +#ifdef L_gcov_indirect_call_profiler_v2 + +/* These two variables are used to actually track caller and callee. Keep + them in TLS memory so races are not common (they are written to often). + The variables are set directly by GCC instrumented code, so declaration + here must match one in tree-profile.c */ + +#if defined(HAVE_CC_TLS) && !defined (USE_EMUTLS) +__thread +#endif +void * __gcov_indirect_call_callee; +#if defined(HAVE_CC_TLS) && !defined (USE_EMUTLS) +__thread +#endif +gcov_type * __gcov_indirect_call_counters; + +/* By default, the C++ compiler will use function addresses in the + vtable entries. Setting TARGET_VTABLE_USES_DESCRIPTORS to nonzero + tells the compiler to use function descriptors instead. The value + of this macro says how many words wide the descriptor is (normally 2), + but it may be dependent on target flags. Since we do not have access + to the target flags here we just check to see if it is set and use + that to set VTABLE_USES_DESCRIPTORS to 0 or 1. + + It is assumed that the address of a function descriptor may be treated + as a pointer to a function. */ + +#ifdef TARGET_VTABLE_USES_DESCRIPTORS +#define VTABLE_USES_DESCRIPTORS 1 +#else +#define VTABLE_USES_DESCRIPTORS 0 +#endif + +/* Tries to determine the most common value among its inputs. */ +void +__gcov_indirect_call_profiler_v2 (gcov_type value, void* cur_func) +{ + /* If the C++ virtual tables contain function descriptors then one + function may have multiple descriptors and we need to dereference + the descriptors to see if they point to the same function. */ + if (cur_func == __gcov_indirect_call_callee + || (VTABLE_USES_DESCRIPTORS && __gcov_indirect_call_callee + && *(void **) cur_func == *(void **) __gcov_indirect_call_callee)) + __gcov_one_value_profiler_body (__gcov_indirect_call_counters, value); +} + +void +__gcov_indirect_call_profiler_atomic_v2 (gcov_type value, void* cur_func) +{ + /* If the C++ virtual tables contain function descriptors then one + function may have multiple descriptors and we need to dereference + the descriptors to see if they point to the same function. */ + if (cur_func == __gcov_indirect_call_callee + || (VTABLE_USES_DESCRIPTORS && __gcov_indirect_call_callee + && *(void **) cur_func == *(void **) __gcov_indirect_call_callee)) + __gcov_one_value_profiler_body_atomic (__gcov_indirect_call_counters, value); +} + +#endif + +/* +#if defined(L_gcov_direct_call_profiler) || defined(L_gcov_indirect_call_topn_profiler) +__attribute__ ((weak)) gcov_unsigned_t __gcov_lipo_sampling_period; +#endif +*/ + +extern gcov_unsigned_t __gcov_lipo_sampling_period; + +#ifdef L_gcov_indirect_call_topn_profiler + +#include "gthr.h" + +#ifdef __GTHREAD_MUTEX_INIT +__thread int in_profiler; +ATTRIBUTE_HIDDEN __gthread_mutex_t __indir_topn_val_mx = __GTHREAD_MUTEX_INIT; +#endif + +/* Tries to keep track the most frequent N values in the counters where + N is specified by parameter TOPN_VAL. To track top N values, 2*N counter + entries are used. + counter[0] --- the accumative count of the number of times one entry in + in the counters gets evicted/replaced due to limited capacity. + When this value reaches a threshold, the bottom N values are + cleared. + counter[1] through counter[2*N] records the top 2*N values collected so far. + Each value is represented by two entries: count[2*i+1] is the ith value, and + count[2*i+2] is the number of times the value is seen. */ + +static void +__gcov_topn_value_profiler_body (gcov_type *counters, gcov_type value, + gcov_unsigned_t topn_val) +{ + unsigned i, found = 0, have_zero_count = 0; + + gcov_type *entry; + gcov_type *lfu_entry = &counters[1]; + gcov_type *value_array = &counters[1]; + gcov_type *num_eviction = &counters[0]; + + /* There are 2*topn_val values tracked, each value takes two slots in the + counter array */ +#ifdef __GTHREAD_MUTEX_INIT + /* If this is reentry, return. */ + if (in_profiler == 1) + return; + + in_profiler = 1; + __gthread_mutex_lock (&__indir_topn_val_mx); +#endif + for (i = 0; i < topn_val << 2; i += 2) + { + entry = &value_array[i]; + if (entry[0] == value) + { + entry[1]++ ; + found = 1; + break; + } + else if (entry[1] == 0) + { + lfu_entry = entry; + have_zero_count = 1; + } + else if (entry[1] < lfu_entry[1]) + lfu_entry = entry; + } + + if (found) + { + in_profiler = 0; +#ifdef __GTHREAD_MUTEX_INIT + __gthread_mutex_unlock (&__indir_topn_val_mx); +#endif + return; + } + + /* lfu_entry is either an empty entry or an entry + with lowest count, which will be evicted. */ + lfu_entry[0] = value; + lfu_entry[1] = 1; + +#define GCOV_ICALL_COUNTER_CLEAR_THRESHOLD 3000 + + /* Too many evictions -- time to clear bottom entries to + avoid hot values bumping each other out. */ + if (!have_zero_count + && ++*num_eviction >= GCOV_ICALL_COUNTER_CLEAR_THRESHOLD) + { + unsigned i, j; + gcov_type **p; + gcov_type **tmp_cnts + = (gcov_type **)alloca (topn_val * sizeof(gcov_type *)); + + *num_eviction = 0; + + /* Find the largest topn_val values from the group of + 2*topn_val values and put the addresses into tmp_cnts. */ + for (i = 0; i < topn_val; i++) + tmp_cnts[i] = &value_array[i * 2 + 1]; + + for (i = topn_val * 2; i < topn_val << 2; i += 2) + { + p = &tmp_cnts[0]; + for (j = 1; j < topn_val; j++) + if (*tmp_cnts[j] > **p) + p = &tmp_cnts[j]; + if (value_array[i + 1] < **p) + *p = &value_array[i + 1]; + } + + /* Zero out low value entries. */ + for (i = 0; i < topn_val; i++) + { + *tmp_cnts[i] = 0; + *(tmp_cnts[i] - 1) = 0; + } + } + +#ifdef __GTHREAD_MUTEX_INIT + in_profiler = 0; + __gthread_mutex_unlock (&__indir_topn_val_mx); +#endif +} + +#if defined(HAVE_CC_TLS) && !defined (USE_EMUTLS) +__thread +#endif +gcov_type *__gcov_indirect_call_topn_counters ATTRIBUTE_HIDDEN; + +#if defined(HAVE_CC_TLS) && !defined (USE_EMUTLS) +__thread +#endif +void *__gcov_indirect_call_topn_callee ATTRIBUTE_HIDDEN; + +#if defined(HAVE_CC_TLS) && !defined (USE_EMUTLS) +__thread +#endif +gcov_unsigned_t __gcov_indirect_call_sampling_counter ATTRIBUTE_HIDDEN; + +#ifdef TARGET_VTABLE_USES_DESCRIPTORS +#define VTABLE_USES_DESCRIPTORS 1 +#else +#define VTABLE_USES_DESCRIPTORS 0 +#endif +void +__gcov_indirect_call_topn_profiler (void *cur_func, + void *cur_module_gcov_info, + gcov_unsigned_t cur_func_id) +{ + void *callee_func = __gcov_indirect_call_topn_callee; + gcov_type *counter = __gcov_indirect_call_topn_counters; + /* If the C++ virtual tables contain function descriptors then one + function may have multiple descriptors and we need to dereference + the descriptors to see if they point to the same function. */ + if (cur_func == callee_func + || (VTABLE_USES_DESCRIPTORS && callee_func + && *(void **) cur_func == *(void **) callee_func)) + { + if (++__gcov_indirect_call_sampling_counter >= __gcov_lipo_sampling_period) + { + __gcov_indirect_call_sampling_counter = 0; + gcov_type global_id + = ((struct gcov_info *) cur_module_gcov_info)->mod_info->ident; + global_id = GEN_FUNC_GLOBAL_ID (global_id, cur_func_id); + __gcov_topn_value_profiler_body (counter, global_id, GCOV_ICALL_TOPN_VAL); + } + __gcov_indirect_call_topn_callee = 0; + } +} + +#endif + +#ifdef L_gcov_direct_call_profiler +#if defined(HAVE_CC_TLS) && !defined (USE_EMUTLS) +__thread +#endif +gcov_type *__gcov_direct_call_counters ATTRIBUTE_HIDDEN; +#if defined(HAVE_CC_TLS) && !defined (USE_EMUTLS) +__thread +#endif +void *__gcov_direct_call_callee ATTRIBUTE_HIDDEN; +#if defined(HAVE_CC_TLS) && !defined (USE_EMUTLS) +__thread +#endif +gcov_unsigned_t __gcov_direct_call_sampling_counter ATTRIBUTE_HIDDEN; + +/* Direct call profiler. */ + +void +__gcov_direct_call_profiler (void *cur_func, + void *cur_module_gcov_info, + gcov_unsigned_t cur_func_id) +{ + if (cur_func == __gcov_direct_call_callee) + { + if (++__gcov_direct_call_sampling_counter >= __gcov_lipo_sampling_period) + { + __gcov_direct_call_sampling_counter = 0; + gcov_type global_id + = ((struct gcov_info *) cur_module_gcov_info)->mod_info->ident; + global_id = GEN_FUNC_GLOBAL_ID (global_id, cur_func_id); + __gcov_direct_call_counters[0] = global_id; + __gcov_direct_call_counters[1]++; + } + __gcov_direct_call_callee = 0; + } +} +#endif + + +#ifdef L_gcov_time_profiler + +/* Counter for first visit of each function. */ +static gcov_type function_counter; + +/* Sets corresponding COUNTERS if there is no value. */ + +void +__gcov_time_profiler (gcov_type* counters) +{ + if (!counters[0]) + counters[0] = ++function_counter; +} +#endif + +#ifdef L_gcov_average_profiler +/* Increase corresponding COUNTER by VALUE. FIXME: Perhaps we want + to saturate up. */ + +void +__gcov_average_profiler (gcov_type *counters, gcov_type value) +{ + counters[0] += value; + counters[1] ++; +} +#endif + +#ifdef L_gcov_ior_profiler +/* Bitwise-OR VALUE into COUNTER. */ + +void +__gcov_ior_profiler (gcov_type *counters, gcov_type value) +{ + *counters |= value; +} +#endif + +#endif /* inhibit_libc */ diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov.h b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov.h new file mode 100644 index 0000000..c1ebe6e --- /dev/null +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/gcov-src/libgcov.h @@ -0,0 +1,421 @@ +/* Header file for libgcov-*.c. + Copyright (C) 1996-2014 Free Software Foundation, Inc. + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free + Software Foundation; either version 3, or (at your option) any later + version. + + GCC is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef GCC_LIBGCOV_H +#define GCC_LIBGCOV_H + +#ifndef __KERNEL__ +/* work around the poisoned malloc/calloc in system.h. */ +#ifndef xmalloc +#define xmalloc malloc +#endif +#ifndef xcalloc +#define xcalloc calloc +#endif +#ifndef xrealloc +#define xrealloc realloc +#endif +#ifndef xfree +#define xfree free +#endif +#else /* __KERNEL__ */ +#include "libgcov-kernel.h" +#endif /* __KERNEL__ */ + +#ifndef IN_GCOV_TOOL +/* About the target. */ +/* This path will be used by libgcov runtime. */ + +#ifndef __KERNEL__ +#include "tconfig.h" +#include "tsystem.h" +#include "coretypes.h" +#include "tm.h" +#include "libgcc_tm.h" +#endif /* __KERNEL__ */ + +#undef FUNC_ID_WIDTH +#undef FUNC_ID_MASK + +#if BITS_PER_UNIT == 8 +typedef unsigned gcov_unsigned_t __attribute__ ((mode (SI))); +typedef unsigned gcov_position_t __attribute__ ((mode (SI))); +#if LONG_LONG_TYPE_SIZE > 32 +typedef signed gcov_type __attribute__ ((mode (DI))); +typedef unsigned gcov_type_unsigned __attribute__ ((mode (DI))); +#define FUNC_ID_WIDTH 32 +#define FUNC_ID_MASK ((1ll << FUNC_ID_WIDTH) - 1) +#else +typedef signed gcov_type __attribute__ ((mode (SI))); +typedef unsigned gcov_type_unsigned __attribute__ ((mode (SI))); +#define FUNC_ID_WIDTH 16 +#define FUNC_ID_MASK ((1 << FUNC_ID_WIDTH) - 1) +#endif +#else /* BITS_PER_UNIT != 8 */ +#if BITS_PER_UNIT == 16 +typedef unsigned gcov_unsigned_t __attribute__ ((mode (HI))); +typedef unsigned gcov_position_t __attribute__ ((mode (HI))); +#if LONG_LONG_TYPE_SIZE > 32 +typedef signed gcov_type __attribute__ ((mode (SI))); +typedef unsigned gcov_type_unsigned __attribute__ ((mode (SI))); +#define FUNC_ID_WIDTH 32 +#define FUNC_ID_MASK ((1ll << FUNC_ID_WIDTH) - 1) +#else +typedef signed gcov_type __attribute__ ((mode (HI))); +typedef unsigned gcov_type_unsigned __attribute__ ((mode (HI))); +#define FUNC_ID_WIDTH 16 +#define FUNC_ID_MASK ((1 << FUNC_ID_WIDTH) - 1) +#endif +#else /* BITS_PER_UNIT != 16 */ +typedef unsigned gcov_unsigned_t __attribute__ ((mode (QI))); +typedef unsigned gcov_position_t __attribute__ ((mode (QI))); +#if LONG_LONG_TYPE_SIZE > 32 +typedef signed gcov_type __attribute__ ((mode (HI))); +typedef unsigned gcov_type_unsigned __attribute__ ((mode (HI))); +#define FUNC_ID_WIDTH 32 +#define FUNC_ID_MASK ((1ll << FUNC_ID_WIDTH) - 1) +#else +typedef signed gcov_type __attribute__ ((mode (QI))); +typedef unsigned gcov_type_unsigned __attribute__ ((mode (QI))); +#define FUNC_ID_WIDTH 16 +#define FUNC_ID_MASK ((1 << FUNC_ID_WIDTH) - 1) +#endif +#endif /* BITS_PER_UNIT == 16 */ +#endif /* BITS_PER_UNIT == 8 */ + +#if LONG_LONG_TYPE_SIZE > 32 +#define GCOV_TYPE_ATOMIC_FETCH_ADD_FN __atomic_fetch_add_8 +#define GCOV_TYPE_ATOMIC_FETCH_ADD BUILT_IN_ATOMIC_FETCH_ADD_8 +#else +#define GCOV_TYPE_ATOMIC_FETCH_ADD_FN __atomic_fetch_add_4 +#define GCOV_TYPE_ATOMIC_FETCH_ADD BUILT_IN_ATOMIC_FETCH_ADD_4 +#endif + +#if defined (TARGET_POSIX_IO) +#define GCOV_LOCKED 1 +#else +#define GCOV_LOCKED 0 +#endif + +#else /* IN_GCOV_TOOL */ +/* About the host. */ +/* This path will be compiled for the host and linked into + gcov-tool binary. */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" + +typedef unsigned gcov_unsigned_t; +typedef unsigned gcov_position_t; +/* gcov_type is typedef'd elsewhere for the compiler */ +#if defined (HOST_HAS_F_SETLKW) +#define GCOV_LOCKED 1 +#else +#define GCOV_LOCKED 0 +#endif + +#define FUNC_ID_WIDTH 32 +#define FUNC_ID_MASK ((1ll << FUNC_ID_WIDTH) - 1) + +/* Some Macros specific to gcov-tool. */ + +#define L_gcov 1 +#define L_gcov_merge_add 1 +#define L_gcov_merge_single 1 +#define L_gcov_merge_delta 1 +#define L_gcov_merge_ior 1 +#define L_gcov_merge_time_profile 1 +#define L_gcov_merge_icall_topn 1 +#define L_gcov_merge_dc 1 + +/* Make certian internal functions/variables in libgcov available for + gcov-tool access. */ +#define GCOV_TOOL_LINKAGE + +extern gcov_type gcov_read_counter_mem (); +extern unsigned gcov_get_merge_weight (); + +#endif /* !IN_GCOV_TOOL */ + +#undef EXTRACT_MODULE_ID_FROM_GLOBAL_ID +#undef EXTRACT_FUNC_ID_FROM_GLOBAL_ID +#undef GEN_FUNC_GLOBAL_ID +#define EXTRACT_MODULE_ID_FROM_GLOBAL_ID(gid) \ + (gcov_unsigned_t)(((gid) >> FUNC_ID_WIDTH) & FUNC_ID_MASK) +#define EXTRACT_FUNC_ID_FROM_GLOBAL_ID(gid) \ + (gcov_unsigned_t)((gid) & FUNC_ID_MASK) +#define GEN_FUNC_GLOBAL_ID(m,f) ((((gcov_type) (m)) << FUNC_ID_WIDTH) | (f)) + +#if defined(inhibit_libc) +#define IN_LIBGCOV (-1) +#else +#define IN_LIBGCOV 1 +#if defined(L_gcov) +#define GCOV_LINKAGE /* nothing */ +#endif +#endif + +/* In libgcov we need these functions to be extern, so prefix them with + __gcov. In libgcov they must also be hidden so that the instance in + the executable is not also used in a DSO. */ +#define gcov_var __gcov_var +#define gcov_open __gcov_open +#define gcov_close __gcov_close +#define gcov_write_tag_length __gcov_write_tag_length +#define gcov_position __gcov_position +#define gcov_seek __gcov_seek +#define gcov_rewrite __gcov_rewrite +#define gcov_truncate __gcov_truncate +#define gcov_is_error __gcov_is_error +#define gcov_write_unsigned __gcov_write_unsigned +#define gcov_write_counter __gcov_write_counter +#define gcov_write_summary __gcov_write_summary +#define gcov_write_module_info __gcov_write_module_info +#define gcov_read_unsigned __gcov_read_unsigned +#define gcov_read_counter __gcov_read_counter +#define gcov_read_summary __gcov_read_summary +#define gcov_read_buildinfo __gcov_read_buildinfo +#define gcov_read_module_info __gcov_read_module_info +#define gcov_sort_n_vals __gcov_sort_n_vals + +/* Poison these, so they don't accidentally slip in. */ +#pragma GCC poison gcov_write_string gcov_write_tag gcov_write_length +#pragma GCC poison gcov_time gcov_magic + +#ifdef HAVE_GAS_HIDDEN +#define ATTRIBUTE_HIDDEN __attribute__ ((__visibility__ ("hidden"))) +#else +#define ATTRIBUTE_HIDDEN +#endif + +#include "gcov-io.h" + +/* Structures embedded in coveraged program. The structures generated + by write_profile must match these. */ +/* Information about counters for a single function. */ +struct gcov_ctr_info +{ + gcov_unsigned_t num; /* number of counters. */ + gcov_type *values; /* their values. */ +}; + +/* Information about a single function. This uses the trailing array + idiom. The number of counters is determined from the merge pointer + array in gcov_info. The key is used to detect which of a set of + comdat functions was selected -- it points to the gcov_info object + of the object file containing the selected comdat function. */ + +struct gcov_fn_info +{ + const struct gcov_info *key; /* comdat key */ + gcov_unsigned_t ident; /* unique ident of function */ + gcov_unsigned_t lineno_checksum; /* function lineo_checksum */ + gcov_unsigned_t cfg_checksum; /* function cfg checksum */ + struct gcov_ctr_info ctrs[1]; /* instrumented counters */ +}; + +/* Type of function used to merge counters. */ +typedef void (*gcov_merge_fn) (gcov_type *, gcov_unsigned_t); + +/* Information about a single object file. */ +struct gcov_info +{ + gcov_unsigned_t version; /* expected version number */ + struct gcov_module_info *mod_info; /* addtional module info. */ + struct gcov_info *next; /* link to next, used by libgcov */ + + gcov_unsigned_t stamp; /* uniquifying time stamp */ + const char *filename; /* output file name */ + gcov_unsigned_t eof_pos; /* end position of profile data */ + gcov_merge_fn merge[GCOV_COUNTERS]; /* merge functions (null for + unused) */ + + unsigned n_functions; /* number of functions */ + +#if !defined (IN_GCOV_TOOL) && !defined (__KERNEL__) + const struct gcov_fn_info *const *functions; /* pointer to pointers + to function information */ +#elif defined (IN_GCOV_TOOL) + const struct gcov_fn_info **functions; +#else + struct gcov_fn_info **functions; +#endif /* !IN_GCOV_TOOL */ + char **build_info; /* strings to include in BUILD_INFO + section of gcda file. */ +}; + +/* Information about a single imported module. */ +struct dyn_imp_mod +{ + const struct gcov_info *imp_mod; + double weight; +}; + +/* Register a new object file module. */ +extern void __gcov_init (struct gcov_info *) ATTRIBUTE_HIDDEN; + +/* Set sampling rate to RATE. */ +extern void __gcov_set_sampling_rate (unsigned int rate); + +/* Called before fork, to avoid double counting. */ +extern void __gcov_flush (void) ATTRIBUTE_HIDDEN; + +/* Function to reset all counters to 0. */ +extern void __gcov_reset (void); +/* Function to enable early write of profile information so far. + __gcov_dump is also used by __gcov_dump_all. The latter + depends on __GCOV_DUMP to have hidden or protected visibility + so that each library has its own copy of the registered dumper. */ +extern void __gcov_dump (void) ATTRIBUTE_HIDDEN; + +/* Call __gcov_dump registered from each shared library. + This function must have default visibility. */ +void __gcov_dump_all (void); + +/* The merge function that just sums the counters. */ +extern void __gcov_merge_add (gcov_type *, unsigned) ATTRIBUTE_HIDDEN; + +/* The merge function to choose the most common value. */ +extern void __gcov_merge_single (gcov_type *, unsigned) ATTRIBUTE_HIDDEN; + +/* The merge function to choose the most common difference between + consecutive values. */ +extern void __gcov_merge_delta (gcov_type *, unsigned) ATTRIBUTE_HIDDEN; + +/* The merge function that just ors the counters together. */ +extern void __gcov_merge_ior (gcov_type *, unsigned) ATTRIBUTE_HIDDEN; + +/* The merge function used for direct call counters. */ +extern void __gcov_merge_dc (gcov_type *, unsigned) ATTRIBUTE_HIDDEN; + +/* The merge function used for indirect call counters. */ +extern void __gcov_merge_icall_topn (gcov_type *, unsigned) ATTRIBUTE_HIDDEN; + +extern void __gcov_merge_time_profile (gcov_type *, unsigned) ATTRIBUTE_HIDDEN; + +/* The profiler functions. */ +extern void __gcov_interval_profiler (gcov_type *, gcov_type, int, unsigned); +extern void __gcov_pow2_profiler (gcov_type *, gcov_type); +extern void __gcov_one_value_profiler (gcov_type *, gcov_type); +extern void __gcov_indirect_call_profiler (gcov_type*, gcov_type, + void*, void*); +extern void __gcov_indirect_call_profiler_v2 (gcov_type, void *); +extern void __gcov_indirect_call_topn_profiler (void *, void *, gcov_unsigned_t) ATTRIBUTE_HIDDEN; +extern void __gcov_direct_call_profiler (void *, void *, gcov_unsigned_t) ATTRIBUTE_HIDDEN; +extern void __gcov_average_profiler (gcov_type *, gcov_type); +extern void __gcov_ior_profiler (gcov_type *, gcov_type); +extern void __gcov_sort_n_vals (gcov_type *value_array, int n); +extern void __gcov_time_profiler (gcov_type *); + +#ifndef inhibit_libc +/* The wrappers around some library functions.. */ +extern pid_t __gcov_fork (void) ATTRIBUTE_HIDDEN; +extern int __gcov_execl (const char *, char *, ...) ATTRIBUTE_HIDDEN; +extern int __gcov_execlp (const char *, char *, ...) ATTRIBUTE_HIDDEN; +extern int __gcov_execle (const char *, char *, ...) ATTRIBUTE_HIDDEN; +extern int __gcov_execv (const char *, char *const []) ATTRIBUTE_HIDDEN; +extern int __gcov_execvp (const char *, char *const []) ATTRIBUTE_HIDDEN; +extern int __gcov_execve (const char *, char *const [], char *const []) + ATTRIBUTE_HIDDEN; + + +/* Functions that only available in libgcov. */ +GCOV_LINKAGE int gcov_open (const char */*name*/) ATTRIBUTE_HIDDEN; +GCOV_LINKAGE void gcov_write_counter (gcov_type) ATTRIBUTE_HIDDEN; +GCOV_LINKAGE void gcov_write_tag_length (gcov_unsigned_t, gcov_unsigned_t) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE void gcov_write_summary (gcov_unsigned_t /*tag*/, + const struct gcov_summary *) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE void gcov_seek (gcov_position_t /*position*/) ATTRIBUTE_HIDDEN; +GCOV_LINKAGE void gcov_truncate (void) ATTRIBUTE_HIDDEN; +void gcov_write_module_info (const struct gcov_info *, unsigned) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE void gcov_write_module_infos (struct gcov_info *mod_info) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE const struct dyn_imp_mod ** +gcov_get_sorted_import_module_array (struct gcov_info *mod_info, unsigned *len) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE inline void gcov_rewrite (void); + +extern void set_gcov_fn_fixed_up (int fixed_up); +extern int get_gcov_fn_fixed_up (void); + +/* "Counts" stored in gcda files can be a real counter value, or + an target address. When differentiate these two types because + when manipulating counts, we should only change real counter values, + rather target addresses. */ + +static inline gcov_type +gcov_get_counter (void) +{ +#ifndef IN_GCOV_TOOL + /* This version is for reading count values in libgcov runtime: + we read from gcda files. */ + + if (get_gcov_fn_fixed_up ()) + { + gcov_read_counter (); + return 0; + } + else + return gcov_read_counter (); +#else + /* This version is for gcov-tool. We read the value from memory and + multiply it by the merge weight. */ + + return gcov_read_counter_mem () * gcov_get_merge_weight (); +#endif +} + +/* Similar function as gcov_get_counter(), but handles target address + counters. */ + +static inline gcov_type +gcov_get_counter_target (void) +{ +#ifndef IN_GCOV_TOOL + /* This version is for reading count target values in libgcov runtime: + we read from gcda files. */ + + if (get_gcov_fn_fixed_up ()) + { + gcov_read_counter (); + return 0; + } + else + return gcov_read_counter (); +#else + /* This version is for gcov-tool. We read the value from memory and we do NOT + multiply it by the merge weight. */ + + return gcov_read_counter_mem (); +#endif +} + +#endif /* !inhibit_libc */ + +#endif /* GCC_LIBGCOV_H */ diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/include-fixed/linux/a.out.h b/lib/gcc/arm-linux-androideabi/4.9.x-google/include-fixed/linux/a.out.h index 0c0972b..9e0a019 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/include-fixed/linux/a.out.h +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/include-fixed/linux/a.out.h @@ -2,7 +2,7 @@ It has been auto-edited by fixincludes from: - "/tmp/ndk-xur/build/toolchain/prefix/sysroot/usr/include/linux/a.out.h" + "/tmp/ndk-yiran-arm/prefix/sysroot/usr/include/linux/a.out.h" This had to be done to correct non-standard usages in the original, manufacturer supplied header file. */ diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/libgcc.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/libgcc.a Binary files differindex 57959eb..764bbd8 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/libgcc.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/libgcc.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/libgcov.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/libgcov.a Binary files differindex 84bd94e..ae60e24 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/libgcov.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/libgcov.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbegin.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbegin.o Binary files differindex b68a52a..65080e5 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbegin.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbegin.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbeginS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbeginS.o Binary files differindex a5f85eb..3acb9c5 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbeginS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbeginS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbeginT.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbeginT.o Binary files differindex b68a52a..65080e5 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbeginT.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtbeginT.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtend.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtend.o Binary files differindex 8b37c67..2918561 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtend.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtend.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtendS.o b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtendS.o Binary files differindex 8b37c67..2918561 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtendS.o +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/crtendS.o diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/libgcc.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/libgcc.a Binary files differindex d00422c..1109861 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/libgcc.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/libgcc.a diff --git a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/libgcov.a b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/libgcov.a Binary files differindex 1273bc8..144b3f6 100644 --- a/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/libgcov.a +++ b/lib/gcc/arm-linux-androideabi/4.9.x-google/thumb/libgcov.a diff --git a/lib/libarm-linux-android-sim.a b/lib/libarm-linux-android-sim.a Binary files differindex cfb4d30..d6970a5 100644 --- a/lib/libarm-linux-android-sim.a +++ b/lib/libarm-linux-android-sim.a |