diff options
| -rw-r--r-- | erts/doc/src/erl.xml | 7 | ||||
| -rw-r--r-- | erts/emulator/beam/beam_load.c | 9 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_init.c | 6 | ||||
| -rw-r--r-- | erts/emulator/beam/global.h | 1 |
4 files changed, 22 insertions, 1 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index 02082e57c6..8502ceadd2 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -587,6 +587,13 @@ <p>Enables auto load tracing, displaying info while loading code.</p> </item> + <tag><c><![CDATA[+L]]></c></tag> + <item> + <p>Don't load information about source filenames and line numbers. + This will save some memory, but exceptions will not contain + information about the filenames and line numbers. + </p> + </item> <tag><marker id="erts_alloc"><c><![CDATA[+MFlag Value]]></c></marker></tag> <item> <p>Memory allocator specific flags, see diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index e15362bc1c..fad81e24d6 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -1397,6 +1397,15 @@ read_line_table(LoaderState* stp) BeamInstr tag; /* + * If the emulator flag ignoring the line information was given, + * return immediately. + */ + + if (erts_no_line_info) { + return 1; + } + + /* * Check version of line table. */ diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 5f3f653e99..286fe9ff1e 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -127,6 +127,8 @@ int erts_modified_timing_level; int erts_no_crash_dump = 0; /* Use -d to suppress crash dump. */ +int erts_no_line_info = 0; /* -L: Don't load line information */ + /* * Other global variables. */ @@ -936,7 +938,9 @@ erl_start(int argc, char **argv) case 'l': display_loads++; break; - + case 'L': + erts_no_line_info = 1; + break; case 'v': #ifdef DEBUG if (argv[i][2] == '\0') { diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 5588257eae..a967aa0e3e 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -1087,6 +1087,7 @@ extern ErtsModifiedTimings erts_modified_timings[]; #define ERTS_MODIFIED_TIMING_INPUT_REDS \ (erts_modified_timings[erts_modified_timing_level].input_reds) +extern int erts_no_line_info; extern Eterm erts_error_logger_warnings; extern int erts_initialized; extern int erts_compat_rel; |