diff options
Diffstat (limited to 'gcc/gcov-io.c')
| -rw-r--r-- | gcc/gcov-io.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/gcc/gcov-io.c b/gcc/gcov-io.c index 2f2a87f..188d27a 100644 --- a/gcc/gcov-io.c +++ b/gcc/gcov-io.c @@ -37,7 +37,7 @@ gcov_open (const char *name, int mode) { int result = 1; size_t alloc = 1024; -#if defined (TARGET_HAS_F_SETLKW) && IN_LIBGCOV +#if GCOV_LOCKED struct flock s_flock; s_flock.l_type = F_WRLCK; @@ -61,7 +61,7 @@ gcov_open (const char *name, int mode) if (!gcov_var.file) return 0; -#if defined (TARGET_HAS_F_SETLKW) && IN_LIBGCOV +#if GCOV_LOCKED while (fcntl (fileno (gcov_var.file), F_SETLKW, &s_flock) && errno == EINTR) continue; @@ -257,6 +257,7 @@ gcov_write_string (const char *string) } #endif +#if !IN_LIBGCOV /* Write a tag TAG and reserve space for the record length. Return a value to be used for gcov_write_length. */ @@ -299,6 +300,30 @@ gcov_write_length (unsigned long position) } } } +#endif + +/* Write a tag TAG and length LENGTH. */ + +GCOV_LINKAGE void +gcov_write_tag_length (unsigned tag, unsigned length) +{ + unsigned char *buffer = gcov_write_bytes (8); + unsigned ix; + + if (!buffer) + return; + for (ix = 4; ix--; ) + { + buffer[ix] = tag; + tag >>= 8; + } + for (ix = 4; ix--; ) + { + buffer[ix + 4] = length; + length >>= 8; + } + return; +} #if IN_LIBGCOV /* Write a summary structure to the gcov file. Return non-zero on @@ -309,9 +334,8 @@ gcov_write_summary (unsigned tag, const struct gcov_summary *summary) { unsigned ix; const struct gcov_ctr_summary *csum; - unsigned long base; - base = gcov_write_tag (tag); + gcov_write_tag_length (tag, GCOV_TAG_SUMMARY_LENGTH); gcov_write_unsigned (summary->checksum); for (csum = summary->ctrs, ix = GCOV_COUNTERS; ix--; csum++) { @@ -321,7 +345,6 @@ gcov_write_summary (unsigned tag, const struct gcov_summary *summary) gcov_write_counter (csum->run_max); gcov_write_counter (csum->sum_max); } - gcov_write_length (base); } #endif /* IN_LIBGCOV */ |