diff options
Diffstat (limited to 'gcc/coverage.c')
| -rw-r--r-- | gcc/coverage.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/gcc/coverage.c b/gcc/coverage.c index 7f0aa8d..4a00332 100644 --- a/gcc/coverage.c +++ b/gcc/coverage.c @@ -182,6 +182,9 @@ read_counts_file (void) return; } + /* Read and discard the stamp. */ + gcov_read_unsigned (); + counts_hash = htab_create (10, htab_counts_entry_hash, htab_counts_entry_eq, htab_counts_entry_del); @@ -445,6 +448,7 @@ coverage_begin_output (void) { gcov_write_unsigned (GCOV_GRAPH_MAGIC); gcov_write_unsigned (GCOV_VERSION); + gcov_write_unsigned (local_tick); } bbg_file_opened = 1; } @@ -708,6 +712,14 @@ build_gcov_info (void) fields = field; value = tree_cons (field, null_pointer_node, value); + /* stamp */ + field = build_decl (FIELD_DECL, NULL_TREE, unsigned_intSI_type_node); + TREE_CHAIN (field) = fields; + fields = field; + value = tree_cons (field, convert (unsigned_intSI_type_node, + build_int_2 (local_tick, 0)), + value); + /* Filename */ string_type = build_pointer_type (build_qualified_type (char_type_node, TYPE_QUAL_CONST)); @@ -905,13 +917,9 @@ coverage_finish (void) if (error) unlink (bbg_file_name); -#if SELF_COVERAGE - /* If the compiler is instrumented, we should not - unconditionally remove the counts file, because we might be - recompiling ourselves. The .da files are all removed during - copying the stage1 files. */ - if (error) -#endif + if (!local_tick) + /* Only remove the da file, if we cannot stamp it. If we can + stamp it, libgcov will DTRT. */ unlink (da_file_name); } } |