diff options
Diffstat (limited to 'gdb/testsuite/gdb.gdb')
-rw-r--r-- | gdb/testsuite/gdb.gdb/index-file.exp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.gdb/index-file.exp b/gdb/testsuite/gdb.gdb/index-file.exp index c6edd28..0841592 100644 --- a/gdb/testsuite/gdb.gdb/index-file.exp +++ b/gdb/testsuite/gdb.gdb/index-file.exp @@ -35,6 +35,9 @@ with_timeout_factor $timeout_factor { clean_restart $filename } +# Record how many worker threads GDB is using. +set worker_threads [gdb_get_worker_threads] + # Generate an index file. set dir1 [standard_output_file "index_1"] remote_exec host "mkdir -p ${dir1}" @@ -113,3 +116,41 @@ proc check_symbol_table_usage { filename } { set index_filename_base [file tail $filename] check_symbol_table_usage "$dir1/${index_filename_base}.gdb-index" + +# If GDB is using more than 1 worker thread then reduce the number of +# worker threads, regenerate the index, and check that we get the same +# index file back. At one point the layout of the index would vary +# based on the number of worker threads used. +if { $worker_threads > 1 } { + # Start GDB, but don't load a file yet. + clean_restart + + # Adjust the number of threads to use. + set reduced_threads [expr $worker_threads / 2] + gdb_test_no_output "maint set worker-threads $reduced_threads" + + with_timeout_factor $timeout_factor { + # Now load the test binary. + gdb_file_cmd $filename + } + + # Generate an index file. + set dir2 [standard_output_file "index_2"] + remote_exec host "mkdir -p ${dir2}" + with_timeout_factor $timeout_factor { + gdb_test_no_output "save gdb-index $dir2" \ + "create second gdb-index file" + } + + # Close GDB. + gdb_exit + + # Now check that the index files are identical. + foreach suffix { gdb-index } { + set result \ + [remote_exec host \ + "cmp -s \"$dir1/${index_filename_base}.${suffix}\" \"$dir2/${index_filename_base}.${suffix}\""] + gdb_assert { [lindex $result 0] == 0 } \ + "$suffix files are identical" + } +} |