diff options
-rw-r--r-- | erts/emulator/beam/beam_debug.c | 16 | ||||
-rw-r--r-- | erts/emulator/beam/bif.tab | 1 | ||||
-rw-r--r-- | lib/kernel/src/erts_debug.erl | 6 |
3 files changed, 23 insertions, 0 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c index 762c5da9be..4d52435139 100644 --- a/erts/emulator/beam/beam_debug.c +++ b/erts/emulator/beam/beam_debug.c @@ -353,6 +353,22 @@ erts_debug_disassemble_1(BIF_ALIST_1) return TUPLE3(hp, addr, bin, mfa); } +BIF_RETTYPE +erts_debug_interpreter_size_0(BIF_ALIST_0) +{ + int i; + BeamInstr low, high; + + low = high = (BeamInstr) process_main; + for (i = 0; i < NUM_SPECIFIC_OPS; i++) { + BeamInstr a = BeamOpCodeAddr(i); + if (a > high) { + high = a; + } + } + return erts_make_integer(high - low, BIF_P); +} + void dbg_bt(Process* p, Eterm* sp) { diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 34a0be4f2d..db9c258cb7 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -437,6 +437,7 @@ bif erts_debug:set_internal_state/2 bif erts_debug:display/1 bif erts_debug:dist_ext_to_term/2 bif erts_debug:instructions/0 +bif erts_debug:interpreter_size/0 bif erts_debug:dirty_cpu/2 bif erts_debug:dirty_io/2 bif erts_debug:dirty/3 diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl index c4d276f9e8..e6a30d0b92 100644 --- a/lib/kernel/src/erts_debug.erl +++ b/lib/kernel/src/erts_debug.erl @@ -33,6 +33,7 @@ -export([breakpoint/2, disassemble/1, display/1, dist_ext_to_term/2, flat_size/1, get_internal_state/1, instructions/0, + interpreter_size/0, map_info/1, same/2, set_internal_state/2, size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2, dirty/3, lcnt_control/1, lcnt_control/2, lcnt_collect/0, lcnt_clear/0, @@ -118,6 +119,11 @@ get_internal_state(_) -> instructions() -> erlang:nif_error(undef). +-spec interpreter_size() -> pos_integer(). + +interpreter_size() -> + erlang:nif_error(undef). + -spec ic(F) -> Result when F :: function(), Result :: term(). |