From e01b87f45486330561d5673fd109a6b6e40828b2 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Wed, 3 May 2017 20:27:01 +0200 Subject: erts: Move and rename erts_is_native_break() --- erts/emulator/beam/beam_bp.c | 21 +++++---------------- erts/emulator/beam/beam_load.c | 12 ++++++++++++ erts/emulator/beam/beam_load.h | 1 + 3 files changed, 18 insertions(+), 16 deletions(-) diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 1efe7536d6..b01527fa52 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -211,7 +211,7 @@ erts_bp_match_functions(BpFunctions* f, ErtsCodeMFA *mfa, int specified) ci = code_hdr->functions[fi]; ASSERT(ci->op == (BeamInstr) BeamOp(op_i_func_info_IaaI)); - if (erts_is_native_break(ci)) { + if (erts_is_function_native(ci)) { continue; } if (is_nil(ci->mfa.module)) { /* Ignore BIF stub */ @@ -277,7 +277,7 @@ erts_bp_match_export(BpFunctions* f, ErtsCodeMFA *mfa, int specified) continue; } ASSERT(*pc == (BeamInstr) BeamOp(op_i_generic_breakpoint)); - } else if (erts_is_native_break(erts_code_to_codeinfo(ep->addressv[code_ix]))) { + } else if (erts_is_function_native(erts_code_to_codeinfo(ep->addressv[code_ix]))) { continue; } @@ -611,7 +611,7 @@ erts_clear_module_break(Module *modp) { n = (Uint)(UWord) code_hdr->num_functions; for (i = 0; i < n; ++i) { ErtsCodeInfo *ci = code_hdr->functions[i]; - if (erts_is_native_break(ci)) + if (erts_is_function_native(ci)) continue; clear_function_break(ci, ERTS_BPF_ALL); } @@ -620,7 +620,7 @@ erts_clear_module_break(Module *modp) { for (i = 0; i < n; ++i) { ErtsCodeInfo *ci = code_hdr->functions[i]; - if (erts_is_native_break(ci)) + if (erts_is_function_native(ci)) continue; uninstall_breakpoint(ci); consolidate_bp_data(modp, ci, 1); @@ -1212,17 +1212,6 @@ erts_is_mtrace_break(ErtsCodeInfo *ci, Binary **match_spec_ret, return 0; } -int -erts_is_native_break(ErtsCodeInfo *ci) { -#ifdef HIPE - ASSERT(ci->op == (BeamInstr) BeamOp(op_i_func_info_IaaI)); - return erts_codeinfo_to_code(ci)[0] == (BeamInstr) BeamOp(op_hipe_trap_call) - || erts_codeinfo_to_code(ci)[0] == (BeamInstr) BeamOp(op_hipe_trap_call_closure); -#else - return 0; -#endif -} - int erts_is_count_break(ErtsCodeInfo *ci, Uint *count_ret) { @@ -1731,7 +1720,7 @@ check_break(ErtsCodeInfo *ci, Uint break_flags) GenericBp* g = ci->u.gen_bp; ASSERT(ci->op == (BeamInstr) BeamOp(op_i_func_info_IaaI)); - if (erts_is_native_break(ci)) { + if (erts_is_function_native(ci)) { return 0; } if (g) { diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 7b79e6303b..2763d8a38e 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -5696,6 +5696,18 @@ erts_is_module_native(BeamCodeHeader* code_hdr) return 0; } +int +erts_is_function_native(ErtsCodeInfo *ci) +{ +#ifdef HIPE + ASSERT(ci->op == (BeamInstr) BeamOp(op_i_func_info_IaaI)); + return erts_codeinfo_to_code(ci)[0] == (BeamInstr) BeamOp(op_hipe_trap_call) + || erts_codeinfo_to_code(ci)[0] == (BeamInstr) BeamOp(op_hipe_trap_call_closure); +#else + return 0; +#endif +} + /* * Builds a list of all functions including native addresses. * [{Name,Arity,NativeAddress},...] diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h index 659b9c303f..b8d8634e28 100644 --- a/erts/emulator/beam/beam_load.h +++ b/erts/emulator/beam/beam_load.h @@ -119,6 +119,7 @@ typedef struct beam_code_header { void erts_release_literal_area(struct ErtsLiteralArea_* literal_area); int erts_is_module_native(BeamCodeHeader* code); +int erts_is_function_native(ErtsCodeInfo*); void erts_beam_bif_load_init(void); struct erl_fun_entry; void erts_purge_state_add_fun(struct erl_fun_entry *fe); -- cgit v1.2.3 From f95094d67e56a51bbdaadaf18625bb01c584bf2d Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Wed, 3 May 2017 20:33:13 +0200 Subject: erts: Fix code:is_module_native for local trace Local trace on first function in module made code:is_module_native/1 return true. Use new erts_is_function_native() to make a proper check. --- erts/emulator/beam/beam_load.c | 9 ++++----- erts/emulator/test/trace_local_SUITE.erl | 1 + 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 2763d8a38e..4f5c68d29a 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -5685,12 +5685,11 @@ erts_is_module_native(BeamCodeHeader* code_hdr) if (code_hdr != NULL) { num_functions = code_hdr->num_functions; for (i=0; ifunctions[i]; - Eterm name = (Eterm) func_info[3]; - if (is_atom(name)) { - return func_info[1] != 0; + ErtsCodeInfo* ci = code_hdr->functions[i]; + if (is_atom(ci->mfa.function)) { + return erts_is_function_native(ci); } - else ASSERT(is_nil(name)); /* ignore BIF stubs */ + else ASSERT(is_nil(ci->mfa.function)); /* ignore BIF stubs */ } } return 0; diff --git a/erts/emulator/test/trace_local_SUITE.erl b/erts/emulator/test/trace_local_SUITE.erl index 5b65889f4a..1cbe6201c3 100644 --- a/erts/emulator/test/trace_local_SUITE.erl +++ b/erts/emulator/test/trace_local_SUITE.erl @@ -298,6 +298,7 @@ basic_test() -> setup([call]), NumMatches = erlang:trace_pattern({?MODULE,'_','_'},[],[local]), NumMatches = erlang:trace_pattern({?MODULE,'_','_'},[],[local]), + false = code:is_module_native(?MODULE), % got fooled by local trace erlang:trace_pattern({?MODULE,slave,'_'},false,[local]), [1,1,1,997] = apply_slave(?MODULE,exported_wrap,[1]), ?CT(?MODULE,exported_wrap,[1]), -- cgit v1.2.3