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-rw-r--r--documentation/gcov.txt54
1 files changed, 52 insertions, 2 deletions
diff --git a/documentation/gcov.txt b/documentation/gcov.txt
index 795f82770..896ec939d 100644
--- a/documentation/gcov.txt
+++ b/documentation/gcov.txt
@@ -3,7 +3,7 @@ The file gcov-iov.h is taken from a gcc build (produced at compile
time). The file gcov-io.c is unchanged.
--- gcc-4.7.2/gcc/gcov-io.h 2011-12-04 10:27:19.000000000 -0800
-+++ coreboot/src/lib/gcov-io.h 2013-01-09 15:29:19.000000000 -0800
++++ coreboot/src/lib/gcov-io.h 2013-01-12 16:45:57.000000000 -0800
@@ -163,6 +163,24 @@
#ifndef GCC_GCOV_IO_H
#define GCC_GCOV_IO_H
@@ -51,7 +51,7 @@ time). The file gcov-io.c is unchanged.
/* The merge function that just sums the counters. */
extern void __gcov_merge_add (gcov_type *, unsigned) ATTRIBUTE_HIDDEN;
--- gcc-4.7.2/libgcc/libgcov.c 2012-01-11 10:50:21.000000000 -0800
-+++ coreboot/src/lib/libgcov.c 2013-01-09 15:32:37.000000000 -0800
++++ coreboot/src/lib/libgcov.c 2013-01-16 09:45:11.000000000 -0800
@@ -25,12 +25,41 @@
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
@@ -175,3 +175,53 @@ time). The file gcov-io.c is unchanged.
info->next = gcov_list;
gcov_list = info;
+@@ -767,14 +811,15 @@
+
+ #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 */
++ * 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)
+ {
+@@ -805,15 +850,16 @@
+
+ #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 */
++ * 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)
+ {