diff options
Diffstat (limited to 'erts/emulator/beam/bif.c')
-rw-r--r-- | erts/emulator/beam/bif.c | 109 |
1 files changed, 70 insertions, 39 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 7afbbfd894..14f6c44cb8 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -2160,7 +2160,7 @@ BIF_RETTYPE send_3(BIF_ALIST_3) break; case SEND_YIELD: if (suspend) { - ERTS_BIF_PREP_YIELD3(retval, bif_export[BIF_send_3], p, to, msg, opts); + ERTS_BIF_PREP_YIELD3(retval, &bif_trap_export[BIF_send_3], p, to, msg, opts); } else { ERTS_BIF_PREP_RET(retval, am_nosuspend); } @@ -2277,7 +2277,7 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) ERTS_BIF_PREP_RET(retval, msg); break; case SEND_YIELD: - ERTS_BIF_PREP_YIELD2(retval, bif_export[BIF_send_2], p, to, msg); + ERTS_BIF_PREP_YIELD2(retval, &bif_trap_export[BIF_send_2], p, to, msg); break; case SEND_YIELD_RETURN: yield_return: @@ -2584,7 +2584,7 @@ BIF_RETTYPE iolist_size_1(BIF_ALIST_1) } else { ERTS_BIF_ERROR_TRAPPED1(BIF_P, BADARG, - bif_export[BIF_iolist_size_1], + &bif_trap_export[BIF_iolist_size_1], input_list); } @@ -2604,7 +2604,7 @@ BIF_RETTYPE iolist_size_1(BIF_ALIST_1) ESTACK_SAVE(s, &context->stack); erts_set_gc_state(BIF_P, 0); BUMP_ALL_REDS(BIF_P); - BIF_TRAP1(bif_export[BIF_iolist_size_1], BIF_P, state_mref); + BIF_TRAP1(&bif_trap_export[BIF_iolist_size_1], BIF_P, state_mref); } /**********************************************************************/ @@ -3942,7 +3942,7 @@ BIF_RETTYPE halt_2(BIF_ALIST_2) ("System halted by BIF halt(%T, %T)\n", BIF_ARG_1, BIF_ARG_2)); if (flush) { erts_halt(pos_int_code); - ERTS_BIF_YIELD2(bif_export[BIF_halt_2], BIF_P, am_undefined, am_undefined); + ERTS_BIF_YIELD2(&bif_trap_export[BIF_halt_2], BIF_P, am_undefined, am_undefined); } else { erts_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); @@ -4527,7 +4527,7 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) BIF_RET(am_enabled); case ERTS_SCHDLR_SSPND_YIELD_RESTART: ERTS_VBUMP_ALL_REDS(BIF_P); - BIF_TRAP2(bif_export[BIF_system_flag_2], + BIF_TRAP2(&bif_trap_export[BIF_system_flag_2], BIF_P, BIF_ARG_1, BIF_ARG_2); case ERTS_SCHDLR_SSPND_YIELD_DONE: ERTS_BIF_YIELD_RETURN_X(BIF_P, am_enabled, @@ -4552,7 +4552,7 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) BIF_RET(make_small(old_no)); case ERTS_SCHDLR_SSPND_YIELD_RESTART: ERTS_VBUMP_ALL_REDS(BIF_P); - BIF_TRAP2(bif_export[BIF_system_flag_2], + BIF_TRAP2(&bif_trap_export[BIF_system_flag_2], BIF_P, BIF_ARG_1, BIF_ARG_2); case ERTS_SCHDLR_SSPND_YIELD_DONE: ERTS_BIF_YIELD_RETURN_X(BIF_P, make_small(old_no), @@ -4716,7 +4716,7 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) BIF_RET(make_small(old_no)); case ERTS_SCHDLR_SSPND_YIELD_RESTART: ERTS_VBUMP_ALL_REDS(BIF_P); - BIF_TRAP2(bif_export[BIF_system_flag_2], + BIF_TRAP2(&bif_trap_export[BIF_system_flag_2], BIF_P, BIF_ARG_1, BIF_ARG_2); case ERTS_SCHDLR_SSPND_YIELD_DONE: ERTS_BIF_YIELD_RETURN_X(BIF_P, make_small(old_no), @@ -4871,7 +4871,7 @@ BIF_RETTYPE phash2_1(BIF_ALIST_1) if (trap_state == THE_NON_VALUE) { BIF_RET(make_small(hash & ((1L << 27) - 1))); } else { - BIF_TRAP1(bif_export[BIF_phash2_1], BIF_P, trap_state); + BIF_TRAP1(&bif_trap_export[BIF_phash2_1], BIF_P, trap_state); } } @@ -4894,7 +4894,7 @@ BIF_RETTYPE phash2_2(BIF_ALIST_2) } hash = trapping_make_hash2(BIF_ARG_1, &trap_state, BIF_P); if (trap_state != THE_NON_VALUE) { - BIF_TRAP2(bif_export[BIF_phash2_2], BIF_P, trap_state, BIF_ARG_2); + BIF_TRAP2(&bif_trap_export[BIF_phash2_2], BIF_P, trap_state, BIF_ARG_2); } if (range) { final_hash = hash % range; /* [0..range-1] */ @@ -4971,15 +4971,32 @@ void erts_init_trap_export(Export* ep, Eterm m, Eterm f, Uint a, Eterm (*bif)(BIF_ALIST)) { int i; + sys_memset((void *) ep, 0, sizeof(Export)); + for (i=0; i<ERTS_NUM_CODE_IX; i++) { - ep->addressv[i] = ep->beam; + ep->addressv[i] = ep->trampoline.raw; } + + ep->bif_number = -1; + + ep->info.op = op_i_func_info_IaaI; ep->info.mfa.module = m; ep->info.mfa.function = f; ep->info.mfa.arity = a; - ep->beam[0] = BeamOpCodeAddr(op_apply_bif); - ep->beam[1] = (BeamInstr) bif; + + ep->trampoline.op = BeamOpCodeAddr(op_call_bif_W); + ep->trampoline.raw[1] = (BeamInstr)bif; +} + +/* + * Writes a BIF call wrapper to the given address. + */ +void erts_write_bif_wrapper(Export *export, BeamInstr *address) { + BifEntry *entry = &bif_table[export->bif_number]; + + address[0] = BeamOpCodeAddr(op_call_bif_W); + address[1] = (BeamInstr)entry->f; } void erts_init_bif(void) @@ -5031,7 +5048,7 @@ void erts_init_bif(void) } /* - * Scheduling of BIFs via NifExport... + * Scheduling of BIFs via ErtsNativeFunc... */ #define ERTS_WANT_NFUNC_SCHED_INTERNALS__ #include "erl_nfunc_sched.h" @@ -5046,8 +5063,8 @@ schedule(Process *c_p, Process *dirty_shadow_proc, int argc, Eterm *argv) { ERTS_LC_ASSERT(ERTS_PROC_LOCK_MAIN & erts_proc_lc_my_proc_locks(c_p)); - (void) erts_nif_export_schedule(c_p, dirty_shadow_proc, - mfa, pc, BeamOpCodeAddr(op_apply_bif), + (void) erts_nfunc_schedule(c_p, dirty_shadow_proc, + mfa, pc, BeamOpCodeAddr(op_call_bif_W), dfunc, ifunc, module, function, argc, argv); @@ -5056,23 +5073,23 @@ schedule(Process *c_p, Process *dirty_shadow_proc, static BIF_RETTYPE dirty_bif_result(BIF_ALIST_1) { - NifExport *nep = (NifExport *) ERTS_PROC_GET_NIF_TRAP_EXPORT(BIF_P); - erts_nif_export_restore(BIF_P, nep, BIF_ARG_1); + ErtsNativeFunc *nep = (ErtsNativeFunc *) ERTS_PROC_GET_NFUNC_TRAP_WRAPPER(BIF_P); + erts_nfunc_restore(BIF_P, nep, BIF_ARG_1); BIF_RET(BIF_ARG_1); } static BIF_RETTYPE dirty_bif_trap(BIF_ALIST) { - NifExport *nep = (NifExport *) ERTS_PROC_GET_NIF_TRAP_EXPORT(BIF_P); + ErtsNativeFunc *nep = (ErtsNativeFunc *) ERTS_PROC_GET_NFUNC_TRAP_WRAPPER(BIF_P); /* * Arity and argument registers already set * correct by call to dirty_bif_trap()... */ - ASSERT(BIF_P->arity == nep->exp.info.mfa.arity); + ASSERT(BIF_P->arity == nep->trampoline.info.mfa.arity); - erts_nif_export_restore(BIF_P, nep, THE_NON_VALUE); + erts_nfunc_restore(BIF_P, nep, THE_NON_VALUE); BIF_P->i = (BeamInstr *) nep->func; BIF_P->freason = TRAP; @@ -5087,8 +5104,8 @@ static BIF_RETTYPE dirty_bif_exception(BIF_ALIST_2) freason = signed_val(BIF_ARG_1); - /* Restore orig info for error and clear nif export in handle_error() */ - freason |= EXF_RESTORE_NIF; + /* Restore orig info for error and clear nif wrapper in handle_error() */ + freason |= EXF_RESTORE_NFUNC; BIF_P->fvalue = BIF_ARG_2; @@ -5126,6 +5143,7 @@ erts_schedule_bif(Process *proc, if (!ERTS_PROC_IS_EXITING(c_p)) { Export *exp; BifFunction dbif, ibif; + BeamInstr call_instr; BeamInstr *pc; /* @@ -5160,27 +5178,40 @@ erts_schedule_bif(Process *proc, if (i == NULL) { ERTS_INTERNAL_ERROR("Missing instruction pointer"); } + + if (BeamIsOpCode(*i, op_i_generic_breakpoint)) { + ErtsCodeInfo *ci; + GenericBp *bp; + + ci = erts_code_to_codeinfo(i); + bp = ci->u.gen_bp; + + call_instr = bp->orig_instr; + } else { + call_instr = *i; + } + #ifdef HIPE - else if (proc->flags & F_HIPE_MODE) { + if (proc->flags & F_HIPE_MODE) { /* Pointer to bif export in i */ exp = (Export *) i; pc = cp_val(c_p->stop[0]); mfa = &exp->info.mfa; - } + } else /* !! This is part of the if clause below !! */ #endif - else if (BeamIsOpCode(*i, op_call_bif_e)) { - /* Pointer to bif export in i+1 */ - exp = (Export *) i[1]; + if (BeamIsOpCode(call_instr, op_call_light_bif_be)) { + /* Pointer to bif export in i+2 */ + exp = (Export *) i[2]; pc = i; mfa = &exp->info.mfa; } - else if (BeamIsOpCode(*i, op_call_bif_only_e)) { - /* Pointer to bif export in i+1 */ - exp = (Export *) i[1]; + else if (BeamIsOpCode(call_instr, op_call_light_bif_only_be)) { + /* Pointer to bif export in i+2 */ + exp = (Export *) i[2]; pc = i; mfa = &exp->info.mfa; } - else if (BeamIsOpCode(*i, op_apply_bif)) { + else if (BeamIsOpCode(call_instr, op_call_bif_W)) { pc = cp_val(c_p->stop[0]); mfa = erts_code_to_codemfa(i); } @@ -5209,7 +5240,7 @@ erts_schedule_bif(Process *proc, static BIF_RETTYPE call_bif(Process *c_p, Eterm *reg, BeamInstr *I) { - NifExport *nep = ERTS_I_BEAM_OP_TO_NIF_EXPORT(I); + ErtsNativeFunc *nep = ERTS_I_BEAM_OP_TO_NFUNC(I); ErtsBifFunc bif = (ErtsBifFunc) nep->func; BIF_RETTYPE ret; @@ -5222,12 +5253,12 @@ call_bif(Process *c_p, Eterm *reg, BeamInstr *I) ret = (*bif)(c_p, reg, I); if (is_value(ret)) - erts_nif_export_restore(c_p, nep, ret); + erts_nfunc_restore(c_p, nep, ret); else if (c_p->freason != TRAP) - c_p->freason |= EXF_RESTORE_NIF; /* restore in handle_error() */ + c_p->freason |= EXF_RESTORE_NFUNC; /* restore in handle_error() */ else if (nep->func == ERTS_SCHED_BIF_TRAP_MARKER) { /* BIF did an ordinary trap... */ - erts_nif_export_restore(c_p, nep, ret); + erts_nfunc_restore(c_p, nep, ret); } /* else: * BIF rescheduled itself using erts_schedule_bif(). @@ -5244,7 +5275,7 @@ erts_call_dirty_bif(ErtsSchedulerData *esdp, Process *c_p, BeamInstr *I, Eterm * int exiting; Process *dirty_shadow_proc; ErtsBifFunc bf; - NifExport *nep; + ErtsNativeFunc *nep; #ifdef DEBUG Eterm *c_p_htop; erts_aint32_t state; @@ -5257,8 +5288,8 @@ erts_call_dirty_bif(ErtsSchedulerData *esdp, Process *c_p, BeamInstr *I, Eterm * #endif - nep = ERTS_I_BEAM_OP_TO_NIF_EXPORT(I); - ASSERT(nep == ERTS_PROC_GET_NIF_TRAP_EXPORT(c_p)); + nep = ERTS_I_BEAM_OP_TO_NFUNC(I); + ASSERT(nep == ERTS_PROC_GET_NFUNC_TRAP_WRAPPER(c_p)); nep->func = ERTS_SCHED_BIF_TRAP_MARKER; |