diff options
Diffstat (limited to 'erts/emulator/beam')
48 files changed, 1230 insertions, 685 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 327620772f..68d64fb7b0 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1996-2010. All Rights Reserved. +# Copyright Ericsson AB 1996-2011. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -76,6 +76,7 @@ atom allocator_sizes atom alloc_util_allocators atom allow_passive_connect atom already_loaded +atom amd64 atom anchored atom and atom andalso diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index 6ae9736141..d76a7d8e9f 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2010. All Rights Reserved. + * Copyright Ericsson AB 1999-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -142,7 +142,7 @@ BIF_RETTYPE code_is_module_native_1(BIF_ALIST_1) if ((modp = erts_get_module(BIF_ARG_1)) == NULL) { return am_undefined; } - return (is_native(modp->code) || + return ((modp->code && is_native(modp->code)) || (modp->old_code != 0 && is_native(modp->old_code))) ? am_true : am_false; } @@ -175,8 +175,12 @@ check_process_code_2(BIF_ALIST_2) Eterm res; if (internal_pid_index(BIF_ARG_1) >= erts_max_processes) goto error; - rp = erts_pid2proc_not_running(BIF_P, ERTS_PROC_LOCK_MAIN, - BIF_ARG_1, ERTS_PROC_LOCK_MAIN); +#ifdef ERTS_SMP + rp = erts_pid2proc_suspend(BIF_P, ERTS_PROC_LOCK_MAIN, + BIF_ARG_1, ERTS_PROC_LOCK_MAIN); +#else + rp = erts_pid2proc(BIF_P, 0, BIF_ARG_1, 0); +#endif if (!rp) { BIF_RET(am_false); } @@ -187,8 +191,10 @@ check_process_code_2(BIF_ALIST_2) modp = erts_get_module(BIF_ARG_2); res = check_process_code(rp, modp); #ifdef ERTS_SMP - if (BIF_P != rp) + if (BIF_P != rp) { + erts_resume(rp, ERTS_PROC_LOCK_MAIN); erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_MAIN); + } #endif BIF_RET(res); } @@ -472,9 +478,6 @@ check_process_code(Process* rp, Module* modp) for (oh = MSO(rp).first; oh; oh = oh->next) { if (thing_subtag(oh->thing_word) == FUN_SUBTAG) { ErlFunThing* funp = (ErlFunThing*) oh; - BeamInstr* fun_code; - - fun_code = funp->fe->address; if (INSIDE((BeamInstr *) funp->fe->address)) { if (done_gc) { diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c index 8a48049921..fffb172c68 100644 --- a/erts/emulator/beam/beam_debug.c +++ b/erts/emulator/beam/beam_debug.c @@ -291,7 +291,7 @@ dbg_bt(Process* p, Eterm* sp) if (addr) erts_fprintf(stderr, HEXF ": %T:%T/%bpu\n", - addr, (Eterm) addr[0], (Eterm) addr[1], (Uint) addr[2]); + addr, (Eterm) addr[0], (Eterm) addr[1], addr[2]); } sp++; } @@ -484,7 +484,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) if (f+3 != (BeamInstr *) *ap) { erts_print(to, to_arg, "f(" HEXF ")", *ap); } else { - erts_print(to, to_arg, "%T:%T/%bpu", (Eterm) f[0], (Eterm) f[1], (Eterm) f[2]); + erts_print(to, to_arg, "%T:%T/%bpu", (Eterm) f[0], (Eterm) f[1], f[2]); } ap++; } @@ -495,7 +495,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) if (f+3 != (BeamInstr *) *ap) { erts_print(to, to_arg, "p(" HEXF ")", *ap); } else { - erts_print(to, to_arg, "%T:%T/%bpu", (Eterm) f[0], (Eterm) f[1], (Eterm) f[2]); + erts_print(to, to_arg, "%T:%T/%bpu", (Eterm) f[0], (Eterm) f[1], f[2]); } ap++; } @@ -508,7 +508,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) { Export* ex = (Export *) *ap; erts_print(to, to_arg, - "%T:%T/%bpu", (Eterm) ex->code[0], (Eterm) ex->code[1], (Uint) ex->code[2]); + "%T:%T/%bpu", (Eterm) ex->code[0], (Eterm) ex->code[1], ex->code[2]); ap++; } break; diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 47bff4a427..fb90a7d4f7 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -1911,13 +1911,15 @@ void process_main(void) * Note that for the halfword emulator, the two first elements * of the array are used. */ - *((BeamInstr **) (UWord) c_p->def_arg_reg) = I+3; + BeamInstr** pi = (BeamInstr**) c_p->def_arg_reg; + *pi = I+3; set_timer(c_p, unsigned_val(timeout_value)); } else if (timeout_value == am_infinity) { c_p->flags |= F_TIMO; #if !defined(ARCH_64) || HALFWORD_HEAP } else if (term_to_Uint(timeout_value, &time_val)) { - *((BeamInstr **) (UWord) c_p->def_arg_reg) = I+3; + BeamInstr** pi = (BeamInstr**) c_p->def_arg_reg; + *pi = I+3; set_timer(c_p, time_val); #endif } else { /* Wrong time */ @@ -1974,7 +1976,8 @@ void process_main(void) * we must test the F_INSLPQUEUE flag as well as the F_TIMO flag. */ if ((c_p->flags & (F_INSLPQUEUE | F_TIMO)) == 0) { - *((BeamInstr **) (UWord) c_p->def_arg_reg) = I+3; + BeamInstr** p = (BeamInstr **) c_p->def_arg_reg; + *p = I+3; set_timer(c_p, Arg(1)); } goto wait2; @@ -3413,6 +3416,7 @@ void process_main(void) r(0) = nif_bif_result; CHECK_TERM(r(0)); SET_I(c_p->cp); + c_p->cp = 0; Goto(*I); } else if (c_p->freason == TRAP) { SET_I(*((BeamInstr **) (UWord) ((c_p)->def_arg_reg + 3))); @@ -5321,7 +5325,7 @@ void process_main(void) ep->code[3] = (BeamInstr) OpCode(apply_bif); ep->code[4] = (BeamInstr) bif_table[i].f; /* XXX: set func info for bifs */ - ((BeamInstr*)ep->code + 3)[-5] = (BeamInstr) BeamOp(op_i_func_info_IaaI); + ep->fake_op_func_info_for_hipe[0] = (BeamInstr) BeamOp(op_i_func_info_IaaI); } return; diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 788cb4209c..57fe25453d 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -480,8 +480,6 @@ static GenOp* gen_select_literals(LoaderState* stp, GenOpArg S, GenOpArg* Rest); static GenOp* const_select_val(LoaderState* stp, GenOpArg S, GenOpArg Fail, GenOpArg Size, GenOpArg* Rest); -static GenOp* gen_func_info(LoaderState* stp, GenOpArg mod, GenOpArg Func, - GenOpArg arity, GenOpArg label); static int freeze_code(LoaderState* stp); @@ -1413,7 +1411,6 @@ static int load_code(LoaderState* stp) { int i; - int tmp; int ci; int last_func_start = 0; char* sign; @@ -1933,7 +1930,6 @@ load_code(LoaderState* stp) case 'P': /* Byte offset into tuple or stack */ case 'Q': /* Like 'P', but packable */ VerifyTag(stp, tag, TAG_u); - tmp = tmp_op->a[arg].val; code[ci++] = (BeamInstr) ((tmp_op->a[arg].val+1) * sizeof(Eterm)); break; case 'l': /* Floating point register. */ @@ -3401,36 +3397,6 @@ const_select_val(LoaderState* stp, GenOpArg S, GenOpArg Fail, return op; } - -static GenOp* -gen_func_info(LoaderState* stp, GenOpArg mod, GenOpArg func, - GenOpArg arity, GenOpArg label) -{ - GenOp* fi; - GenOp* op; - - NEW_GENOP(stp, fi); - fi->op = genop_i_func_info_4; - fi->arity = 4; - fi->a[0].type = TAG_u; /* untagged Zero */ - fi->a[0].val = 0; - fi->a[1] = mod; - fi->a[2] = func; - fi->a[3] = arity; - - NEW_GENOP(stp, op); - op->op = genop_label_1; - op->arity = 1; - op->a[0] = label; - - fi->next = op; - op->next = NULL; - - return fi; -} - - - static GenOp* gen_make_fun2(LoaderState* stp, GenOpArg idx) { diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index f01580eb2b..68b3350d7f 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -368,7 +368,6 @@ static int demonitor(Process *c_p, Eterm ref) ErtsMonitor *mon = NULL; /* The monitor entry to delete */ Process *rp; /* Local target process */ Eterm to = NIL; /* Monitor link traget */ - Eterm ref_p; /* Pid of this end */ DistEntry *dep = NULL; /* Target's distribution entry */ int deref_de = 0; int res; @@ -381,7 +380,6 @@ static int demonitor(Process *c_p, Eterm ref) res = ERTS_DEMONITOR_BADARG; goto done; /* Cannot be this monitor's ref */ } - ref_p = c_p->id; mon = erts_lookup_monitor(c_p->monitors, ref); if (!mon) { @@ -2170,20 +2168,146 @@ BIF_RETTYPE tl_1(BIF_ALIST_1) /**********************************************************************/ /* return the size of an I/O list */ -BIF_RETTYPE iolist_size_1(BIF_ALIST_1) +static Eterm +accumulate(Eterm acc, Uint size) { - Sint size = io_list_len(BIF_ARG_1); + if (is_non_value(acc)) { + /* + * There is no pre-existing accumulator. Allocate a + * bignum buffer with one extra word to be used if + * the bignum grows in the future. + */ + Eterm* hp = (Eterm *) erts_alloc(ERTS_ALC_T_TEMP_TERM, + (BIG_UINT_HEAP_SIZE+1) * + sizeof(Eterm)); + return uint_to_big(size, hp); + } else { + Eterm* big; + int need_heap; - if (size == -1) { - BIF_ERROR(BIF_P, BADARG); - } else if (IS_USMALL(0, (Uint) size)) { - BIF_RET(make_small(size)); + /* + * Add 'size' to 'acc' in place. There is always one + * extra word allocated in case the bignum grows by one word. + */ + big = big_val(acc); + need_heap = BIG_NEED_SIZE(BIG_SIZE(big)); + acc = big_plus_small(acc, size, big); + if (BIG_NEED_SIZE(big_size(acc)) > need_heap) { + /* + * The extra word has been consumed. Grow the + * allocation by one word. + */ + big = (Eterm *) erts_realloc(ERTS_ALC_T_TEMP_TERM, + big_val(acc), + (need_heap+1) * sizeof(Eterm)); + acc = make_big(big); + } + return acc; + } +} + +static Eterm +consolidate(Process* p, Eterm acc, Uint size) +{ + Eterm* hp; + + if (is_non_value(acc)) { + return erts_make_integer(size, p); } else { - Eterm* hp = HAlloc(BIF_P, BIG_UINT_HEAP_SIZE); - BIF_RET(uint_to_big(size, hp)); + Eterm* big; + Uint sz; + Eterm res; + + acc = accumulate(acc, size); + big = big_val(acc); + sz = BIG_NEED_SIZE(BIG_SIZE(big)); + hp = HAlloc(p, sz); + res = make_big(hp); + while (sz--) { + *hp++ = *big++; + } + erts_free(ERTS_ALC_T_TEMP_TERM, (void *) big_val(acc)); + return res; } } +BIF_RETTYPE iolist_size_1(BIF_ALIST_1) +{ + Eterm obj, hd; + Eterm* objp; + Uint size = 0; + Uint cur_size; + Uint new_size; + Eterm acc = THE_NON_VALUE; + DECLARE_ESTACK(s); + + obj = BIF_ARG_1; + goto L_again; + + while (!ESTACK_ISEMPTY(s)) { + obj = ESTACK_POP(s); + L_again: + if (is_list(obj)) { + L_iter_list: + objp = list_val(obj); + hd = CAR(objp); + obj = CDR(objp); + /* Head */ + if (is_byte(hd)) { + size++; + if (size == 0) { + acc = accumulate(acc, (Uint) -1); + size = 1; + } + } else if (is_binary(hd) && binary_bitsize(hd) == 0) { + cur_size = binary_size(hd); + if ((new_size = size + cur_size) >= size) { + size = new_size; + } else { + acc = accumulate(acc, size); + size = cur_size; + } + } else if (is_list(hd)) { + ESTACK_PUSH(s, obj); + obj = hd; + goto L_iter_list; + } else if (is_not_nil(hd)) { + goto L_type_error; + } + /* Tail */ + if (is_list(obj)) { + goto L_iter_list; + } else if (is_binary(obj) && binary_bitsize(obj) == 0) { + cur_size = binary_size(obj); + if ((new_size = size + cur_size) >= size) { + size = new_size; + } else { + acc = accumulate(acc, size); + size = cur_size; + } + } else if (is_not_nil(obj)) { + goto L_type_error; + } + } else if (is_binary(obj) && binary_bitsize(obj) == 0) { + cur_size = binary_size(obj); + if ((new_size = size + cur_size) >= size) { + size = new_size; + } else { + acc = accumulate(acc, size); + size = cur_size; + } + } else if (is_not_nil(obj)) { + goto L_type_error; + } + } + + DESTROY_ESTACK(s); + BIF_RET(consolidate(BIF_P, acc, size)); + + L_type_error: + DESTROY_ESTACK(s); + BIF_ERROR(BIF_P, BADARG); +} /**********************************************************************/ @@ -3217,20 +3341,32 @@ BIF_RETTYPE garbage_collect_1(BIF_ALIST_1) BIF_ERROR(BIF_P, BADARG); } - rp = erts_pid2proc_not_running(BIF_P, ERTS_PROC_LOCK_MAIN, + if (BIF_P->id == BIF_ARG_1) + rp = BIF_P; + else { +#ifdef ERTS_SMP + rp = erts_pid2proc_suspend(BIF_P, ERTS_PROC_LOCK_MAIN, BIF_ARG_1, ERTS_PROC_LOCK_MAIN); - if (!rp) - BIF_RET(am_false); - if (rp == ERTS_PROC_LOCK_BUSY) - ERTS_BIF_YIELD1(bif_export[BIF_garbage_collect_1], BIF_P, BIF_ARG_1); + if (rp == ERTS_PROC_LOCK_BUSY) + ERTS_BIF_YIELD1(bif_export[BIF_garbage_collect_1], BIF_P, BIF_ARG_1); +#else + rp = erts_pid2proc(BIF_P, 0, BIF_ARG_1, 0); +#endif + if (!rp) + BIF_RET(am_false); + } /* The GC cost is taken for the process executing this BIF. */ FLAGS(rp) |= F_NEED_FULLSWEEP; reds = erts_garbage_collect(rp, 0, rp->arg_reg, rp->arity); - if (BIF_P != rp) +#ifdef ERTS_SMP + if (BIF_P != rp) { + erts_resume(rp, ERTS_PROC_LOCK_MAIN); erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_MAIN); + } +#endif BIF_RET2(am_true, reds); } @@ -3272,6 +3408,7 @@ BIF_RETTYPE ports_0(BIF_ALIST_0) Eterm* dead_ports; int alive, dead; Uint32 next_ss; + int i; /* To get a consistent snapshot... * We add alive ports from start of the buffer @@ -3283,21 +3420,18 @@ BIF_RETTYPE ports_0(BIF_ALIST_0) erts_smp_atomic_set(&erts_dead_ports_ptr, (erts_aint_t) (port_buf + erts_max_ports)); - next_ss = erts_smp_atomic_inctest(&erts_ports_snapshot); + next_ss = erts_smp_atomic32_inctest(&erts_ports_snapshot); - if (erts_smp_atomic_read(&erts_ports_alive) > 0) { - erts_aint_t i; - for (i = erts_max_ports-1; i >= 0; i--) { - Port* prt = &erts_port[i]; - erts_smp_port_state_lock(prt); - if (!(prt->status & ERTS_PORT_SFLGS_DEAD) - && prt->snapshot != next_ss) { - ASSERT(prt->snapshot == next_ss - 1); - *pp++ = prt->id; - prt->snapshot = next_ss; /* Consumed by this snapshot */ - } - erts_smp_port_state_unlock(prt); + for (i = erts_max_ports-1; i >= 0; i--) { + Port* prt = &erts_port[i]; + erts_smp_port_state_lock(prt); + if (!(prt->status & ERTS_PORT_SFLGS_DEAD) + && prt->snapshot != next_ss) { + ASSERT(prt->snapshot == next_ss - 1); + *pp++ = prt->id; + prt->snapshot = next_ss; /* Consumed by this snapshot */ } + erts_smp_port_state_unlock(prt); } dead_ports = (Eterm*)erts_smp_atomic_xchg(&erts_dead_ports_ptr, @@ -3362,7 +3496,7 @@ BIF_RETTYPE erts_debug_display_1(BIF_ALIST_1) erts_dsprintf_buf_t *dsbufp = erts_create_tmp_dsbuf(64); pres = erts_dsprintf(dsbufp, "%.*T\n", INT_MAX, BIF_ARG_1); if (pres < 0) - erl_exit(1, "Failed to convert term to string: %d (s)\n", + erl_exit(1, "Failed to convert term to string: %d (%s)\n", -pres, erl_errno_id(-pres)); hp = HAlloc(BIF_P, 2*dsbufp->str_len); /* we need length * 2 heap words */ res = buf_to_intlist(&hp, dsbufp->str, dsbufp->str_len, NIL); @@ -3480,7 +3614,7 @@ term2list_dsprintf(Process *p, Eterm term) erts_dsprintf_buf_t *dsbufp = erts_create_tmp_dsbuf(64); pres = erts_dsprintf(dsbufp, "%T", term); if (pres < 0) - erl_exit(1, "Failed to convert term to list: %d (s)\n", + erl_exit(1, "Failed to convert term to list: %d (%s)\n", -pres, erl_errno_id(-pres)); hp = HAlloc(p, 2*dsbufp->str_len); /* we need length * 2 heap words */ res = buf_to_intlist(&hp, dsbufp->str, dsbufp->str_len, NIL); diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index f47f5a9c0c..d18de9ae5d 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -1588,7 +1588,7 @@ big_to_double(Wterm x, double* resp) /* ** Estimate the number of decimal digits (include sign) */ -int big_decimal_estimate(Eterm x) +int big_decimal_estimate(Wterm x) { Eterm* xp = big_val(x); int lg = I_lg(BIG_V(xp), BIG_SIZE(xp)); @@ -1602,7 +1602,7 @@ int big_decimal_estimate(Eterm x) ** Convert a bignum into a string of decimal numbers */ -static void write_big(Eterm x, void (*write_func)(void *, char), void *arg) +static void write_big(Wterm x, void (*write_func)(void *, char), void *arg) { Eterm* xp = big_val(x); ErtsDigit* dx = BIG_V(xp); @@ -1681,7 +1681,7 @@ write_string(void *arg, char c) *(--(*((char **) arg))) = c; } -char *erts_big_to_string(Eterm x, char *buf, Uint buf_sz) +char *erts_big_to_string(Wterm x, char *buf, Uint buf_sz) { char *big_str = buf + buf_sz - 1; *big_str = '\0'; diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h index f28a390aea..2afc37004f 100644 --- a/erts/emulator/beam/big.h +++ b/erts/emulator/beam/big.h @@ -114,9 +114,9 @@ typedef Uint dsize_t; /* Vector size type */ #endif -int big_decimal_estimate(Eterm); +int big_decimal_estimate(Wterm); Eterm erts_big_to_list(Eterm, Eterm**); -char *erts_big_to_string(Eterm x, char *buf, Uint buf_sz); +char *erts_big_to_string(Wterm x, char *buf, Uint buf_sz); Eterm small_times(Sint, Sint, Eterm*); diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c index 9486602633..1fb39c6c67 100644 --- a/erts/emulator/beam/binary.c +++ b/erts/emulator/beam/binary.c @@ -32,11 +32,11 @@ #include "erl_bits.h" #ifdef DEBUG -static int list_to_bitstr_buf(Eterm obj, char* buf, int len); +static int list_to_bitstr_buf(Eterm obj, char* buf, Uint len); #else static int list_to_bitstr_buf(Eterm obj, char* buf); #endif -static Sint bitstr_list_len(Eterm obj); +static int bitstr_list_len(Eterm obj, Uint* num_bytes); void erts_init_binary(void) @@ -355,21 +355,24 @@ BIF_RETTYPE bitstring_to_list_1(BIF_ALIST_1) BIF_RETTYPE erts_list_to_binary_bif(Process *p, Eterm arg) { Eterm bin; - int i; + Uint size; int offset; byte* bytes; + if (is_nil(arg)) { BIF_RET(new_binary(p,(byte*)"",0)); } if (is_not_list(arg)) { goto error; } - if ((i = io_list_len(arg)) < 0) { - goto error; + switch (erts_iolist_size(arg, &size)) { + case ERTS_IOLIST_OVERFLOW: BIF_ERROR(p, SYSTEM_LIMIT); + case ERTS_IOLIST_TYPE: goto error; + default: ; } - bin = new_binary(p, (byte *)NULL, i); + bin = new_binary(p, (byte *)NULL, size); bytes = binary_bytes(bin); - offset = io_list_to_buf(arg, (char*) bytes, i); + offset = io_list_to_buf(arg, (char*) bytes, size); ASSERT(offset == 0); BIF_RET(bin); @@ -396,7 +399,8 @@ BIF_RETTYPE iolist_to_binary_1(BIF_ALIST_1) BIF_RETTYPE list_to_bitstring_1(BIF_ALIST_1) { Eterm bin; - int i,offset; + Uint sz; + int offset; byte* bytes; ErlSubBin* sb1; Eterm* hp; @@ -405,15 +409,19 @@ BIF_RETTYPE list_to_bitstring_1(BIF_ALIST_1) BIF_RET(new_binary(BIF_P,(byte*)"",0)); } if (is_not_list(BIF_ARG_1)) { - goto error; + error: + BIF_ERROR(BIF_P, BADARG); } - if ((i = bitstr_list_len(BIF_ARG_1)) < 0) { + switch (bitstr_list_len(BIF_ARG_1, &sz)) { + case ERTS_IOLIST_TYPE: goto error; + case ERTS_IOLIST_OVERFLOW: + BIF_ERROR(BIF_P, SYSTEM_LIMIT); } - bin = new_binary(BIF_P, (byte *)NULL, i); + bin = new_binary(BIF_P, (byte *)NULL, sz); bytes = binary_bytes(bin); #ifdef DEBUG - offset = list_to_bitstr_buf(BIF_ARG_1, (char*) bytes, i); + offset = list_to_bitstr_buf(BIF_ARG_1, (char*) bytes, sz); #else offset = list_to_bitstr_buf(BIF_ARG_1, (char*) bytes); #endif @@ -422,20 +430,16 @@ BIF_RETTYPE list_to_bitstring_1(BIF_ALIST_1) hp = HAlloc(BIF_P, ERL_SUB_BIN_SIZE); sb1 = (ErlSubBin *) hp; sb1->thing_word = HEADER_SUB_BIN; - sb1->size = i-1; + sb1->size = sz-1; sb1->offs = 0; sb1->orig = bin; sb1->bitoffs = 0; sb1->bitsize = offset; sb1->is_writable = 0; - hp += ERL_SUB_BIN_SIZE; bin = make_binary(sb1); } BIF_RET(bin); - - error: - BIF_ERROR(BIF_P, BADARG); } BIF_RETTYPE split_binary_2(BIF_ALIST_2) @@ -499,7 +503,7 @@ BIF_RETTYPE split_binary_2(BIF_ALIST_2) */ static int #ifdef DEBUG -list_to_bitstr_buf(Eterm obj, char* buf, int len) +list_to_bitstr_buf(Eterm obj, char* buf, Uint len) #else list_to_bitstr_buf(Eterm obj, char* buf) #endif @@ -602,8 +606,8 @@ list_to_bitstr_buf(Eterm obj, char* buf) return offset; } -static Sint -bitstr_list_len(Eterm obj) +static int +bitstr_list_len(Eterm obj, Uint* num_bytes) { Eterm* objp; Uint len = 0; @@ -611,6 +615,26 @@ bitstr_list_len(Eterm obj) DECLARE_ESTACK(s); goto L_again; +#define SAFE_ADD(Var, Val) \ + do { \ + Uint valvar = (Val); \ + Var += valvar; \ + if (Var < valvar) { \ + goto L_overflow_error; \ + } \ + } while (0) + +#define SAFE_ADD_BITSIZE(Var, Bin) \ + do { \ + if (*binary_val(Bin) == HEADER_SUB_BIN) { \ + Uint valvar = ((ErlSubBin *) binary_val(Bin))->bitsize; \ + Var += valvar; \ + if (Var < valvar) { \ + goto L_overflow_error; \ + } \ + } \ + } while (0) + while (!ESTACK_ISEMPTY(s)) { obj = ESTACK_POP(s); L_again: @@ -621,9 +645,12 @@ bitstr_list_len(Eterm obj) obj = CAR(objp); if (is_byte(obj)) { len++; + if (len == 0) { + goto L_overflow_error; + } } else if (is_binary(obj)) { - len += binary_size(obj); - offs += binary_bitsize(obj); + SAFE_ADD(len, binary_size(obj)); + SAFE_ADD_BITSIZE(offs, obj); } else if (is_list(obj)) { ESTACK_PUSH(s, CDR(objp)); goto L_iter_list; /* on head */ @@ -635,24 +662,44 @@ bitstr_list_len(Eterm obj) if (is_list(obj)) goto L_iter_list; /* on tail */ else if (is_binary(obj)) { - len += binary_size(obj); - offs += binary_bitsize(obj); + SAFE_ADD(len, binary_size(obj)); + SAFE_ADD_BITSIZE(offs, obj); } else if (is_not_nil(obj)) { goto L_type_error; } } else if (is_binary(obj)) { - len += binary_size(obj); - offs += binary_bitsize(obj); + SAFE_ADD(len, binary_size(obj)); + SAFE_ADD_BITSIZE(offs, obj); } else if (is_not_nil(obj)) { goto L_type_error; } } +#undef SAFE_ADD +#undef SAFE_ADD_BITSIZE DESTROY_ESTACK(s); - return (Sint) (len + (offs/8) + ((offs % 8) != 0)); + + /* + * Make sure that the number of bits in the bitstring will fit + * in an Uint to ensure that the binary can be matched using + * the binary syntax. + */ + if (len << 3 < len) { + goto L_overflow_error; + } + len += (offs >> 3) + ((offs & 7) != 0); + if (len << 3 < len) { + goto L_overflow_error; + } + *num_bytes = len; + return ERTS_IOLIST_OK; L_type_error: DESTROY_ESTACK(s); - return (Sint) -1; + return ERTS_IOLIST_TYPE; + + L_overflow_error: + DESTROY_ESTACK(s); + return ERTS_IOLIST_OVERFLOW; } diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index d255cf3558..b8889e6206 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * Copyright Ericsson AB 1996-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -266,7 +266,7 @@ print_process_info(int to, void *to_arg, Process *p) } erts_print(to, to_arg, "Number of heap fragments: %d\n", frags); } - erts_print(to, to_arg, "Heap fragment data: %bpu\n", MBUF_SIZE(p)); + erts_print(to, to_arg, "Heap fragment data: %beu\n", MBUF_SIZE(p)); scb = ERTS_PROC_GET_SAVED_CALLS_BUF(p); if (scb) { @@ -313,12 +313,11 @@ print_process_info(int to, void *to_arg, Process *p) } /* print the number of reductions etc */ - erts_print(to, to_arg, "Reductions: %bpu\n", p->reds); + erts_print(to, to_arg, "Reductions: %beu\n", p->reds); - erts_print(to, to_arg, "Stack+heap: %bpu\n", p->heap_sz); + erts_print(to, to_arg, "Stack+heap: %beu\n", p->heap_sz); erts_print(to, to_arg, "OldHeap: %bpu\n", - (OLD_HEAP(p) == NULL) ? 0 : - (unsigned)(OLD_HEND(p) - OLD_HEAP(p)) ); + (OLD_HEAP(p) == NULL) ? 0 : (OLD_HEND(p) - OLD_HEAP(p)) ); erts_print(to, to_arg, "Heap unused: %bpu\n", (p->hend - p->htop)); erts_print(to, to_arg, "OldHeap unused: %bpu\n", (OLD_HEAP(p) == NULL) ? 0 : (OLD_HEND(p) - OLD_HTOP(p)) ); diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c index 243e8973cf..90201f3a90 100644 --- a/erts/emulator/beam/copy.c +++ b/erts/emulator/beam/copy.c @@ -477,7 +477,7 @@ Eterm copy_struct(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap) if (htop != hbot) erl_exit(ERTS_ABORT_EXIT, "Internal error in copy_struct() when copying %T:" - " htop=%p != hbot=%p (sz=%bpu)\n", + " htop=%p != hbot=%p (sz=%beu)\n", org_obj, htop, hbot, org_sz); #else if (htop > hbot) { diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index 02910fad90..b1cdd0660a 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * Copyright Ericsson AB 1996-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -864,11 +864,15 @@ erts_dsig_send_group_leader(ErtsDSigData *dsdp, Eterm leader, Eterm remote) #include <valgrind/valgrind.h> #include <valgrind/memcheck.h> +#ifndef HAVE_VALGRIND_PRINTF_XML +#define VALGRIND_PRINTF_XML VALGRIND_PRINTF +#endif + # define PURIFY_MSG(msg) \ do { \ char buf__[1]; size_t bufsz__ = sizeof(buf__); \ if (erts_sys_getenv("VALGRIND_LOG_XML", buf__, &bufsz__) >= 0) { \ - VALGRIND_PRINTF("<erlang_error_log>" \ + VALGRIND_PRINTF_XML("<erlang_error_log>" \ "%s, line %d: %s</erlang_error_log>\n", \ __FILE__, __LINE__, msg); \ } else { \ @@ -900,7 +904,6 @@ int erts_net_message(Port *prt, ErtsDistExternal ede; byte *t; Sint ctl_len; - int orig_ctl_len; Eterm arg; Eterm from, to; Eterm watcher, watched; @@ -981,7 +984,6 @@ int erts_net_message(Port *prt, PURIFY_MSG("data error"); goto data_error; } - orig_ctl_len = ctl_len; if (ctl_len > DIST_CTL_DEFAULT_SIZE) { ctl = erts_alloc(ERTS_ALC_T_DCTRL_BUF, ctl_len * sizeof(Eterm)); @@ -1685,7 +1687,7 @@ dist_port_command(Port *prt, ErtsDistOutputBuf *obuf) if (size > (Uint) INT_MAX) erl_exit(ERTS_ABORT_EXIT, "Absurdly large distribution output data buffer " - "(%bpu bytes) passed.\n", + "(%beu bytes) passed.\n", size); prt->caller = NIL; @@ -1712,7 +1714,7 @@ dist_port_commandv(Port *prt, ErtsDistOutputBuf *obuf) if (size > (Uint) INT_MAX) erl_exit(ERTS_ABORT_EXIT, "Absurdly large distribution output data buffer " - "(%bpu bytes) passed.\n", + "(%beu bytes) passed.\n", size); iov[0].iov_base = NULL; diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 775f4435a9..cda404af5e 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -90,6 +90,10 @@ typedef union { static ErtsAllocatorState_t sl_alloc_state; static ErtsAllocatorState_t std_alloc_state; static ErtsAllocatorState_t ll_alloc_state; +#if HALFWORD_HEAP +static ErtsAllocatorState_t std_alloc_low_state; +static ErtsAllocatorState_t ll_alloc_low_state; +#endif static ErtsAllocatorState_t temp_alloc_state; static ErtsAllocatorState_t eheap_alloc_state; static ErtsAllocatorState_t binary_alloc_state; @@ -166,6 +170,10 @@ typedef struct { struct au_init binary_alloc; struct au_init ets_alloc; struct au_init driver_alloc; +#if HALFWORD_HEAP + struct au_init std_alloc_low; + struct au_init ll_alloc_low; +#endif } erts_alc_hndl_args_init_t; #define ERTS_AU_INIT__ {0, 0, GOODFIT, DEFAULT_ALLCTR_INIT, {1,1,1,1}} @@ -193,6 +201,10 @@ set_default_sl_alloc_opts(struct au_init *ip) #endif ip->init.util.ts = ERTS_ALC_MTA_SHORT_LIVED; ip->init.util.rsbcst = 80; +#if HALFWORD_HEAP + ip->init.util.low_mem = 1; +#endif + } static void @@ -256,6 +268,9 @@ set_default_temp_alloc_opts(struct au_init *ip) ip->init.util.ts = ERTS_ALC_MTA_TEMPORARY; ip->init.util.rsbcst = 90; ip->init.util.rmbcmt = 100; +#if HALFWORD_HEAP + ip->init.util.low_mem = 1; +#endif } static void @@ -275,6 +290,9 @@ set_default_eheap_alloc_opts(struct au_init *ip) #endif ip->init.util.ts = ERTS_ALC_MTA_EHEAP; ip->init.util.rsbcst = 50; +#if HALFWORD_HEAP + ip->init.util.low_mem = 1; +#endif } static void @@ -531,6 +549,20 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) erts_allctrs[ERTS_ALC_A_SYSTEM].free = erts_sys_free; erts_allctrs_info[ERTS_ALC_A_SYSTEM].enabled = 1; +#if HALFWORD_HEAP + /* Init low memory variants by cloning */ + init.std_alloc_low = init.std_alloc; + init.std_alloc_low.init.util.alloc_no = ERTS_ALC_A_STANDARD_LOW; + init.std_alloc_low.init.util.low_mem = 1; + + init.ll_alloc_low = init.ll_alloc; + init.ll_alloc_low.init.util.alloc_no = ERTS_ALC_A_LONG_LIVED_LOW; + init.ll_alloc_low.init.util.low_mem = 1; + + set_au_allocator(ERTS_ALC_A_STANDARD_LOW, &init.std_alloc_low); + set_au_allocator(ERTS_ALC_A_LONG_LIVED_LOW, &init.ll_alloc_low); +#endif /* HALFWORD */ + set_au_allocator(ERTS_ALC_A_TEMPORARY, &init.temp_alloc); set_au_allocator(ERTS_ALC_A_SHORT_LIVED, &init.sl_alloc); set_au_allocator(ERTS_ALC_A_STANDARD, &init.std_alloc); @@ -576,7 +608,14 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) start_au_allocator(ERTS_ALC_A_LONG_LIVED, &init.ll_alloc, &ll_alloc_state); - +#if HALFWORD_HEAP + start_au_allocator(ERTS_ALC_A_LONG_LIVED_LOW, + &init.ll_alloc_low, + &ll_alloc_low_state); + start_au_allocator(ERTS_ALC_A_STANDARD_LOW, + &init.std_alloc_low, + &std_alloc_low_state); +#endif start_au_allocator(ERTS_ALC_A_EHEAP, &init.eheap_alloc, &eheap_alloc_state); @@ -612,11 +651,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) erts_set_fix_size(ERTS_ALC_T_PROC, sizeof(Process)); erts_set_fix_size(ERTS_ALC_T_DB_TABLE, sizeof(DbTable)); erts_set_fix_size(ERTS_ALC_T_ATOM, sizeof(Atom)); - erts_set_fix_size(ERTS_ALC_T_EXPORT, sizeof(Export)); + erts_set_fix_size(ERTS_ALC_T_MODULE, sizeof(Module)); erts_set_fix_size(ERTS_ALC_T_REG_PROC, sizeof(RegProc)); - erts_set_fix_size(ERTS_ALC_T_MONITOR_SH, ERTS_MONITOR_SH_SIZE*sizeof(Uint)); - erts_set_fix_size(ERTS_ALC_T_NLINK_SH, ERTS_LINK_SH_SIZE*sizeof(Uint)); erts_set_fix_size(ERTS_ALC_T_FUN_ENTRY, sizeof(ErlFunEntry)); #ifdef ERTS_ALC_T_DRV_EV_D_STATE erts_set_fix_size(ERTS_ALC_T_DRV_EV_D_STATE, @@ -626,6 +663,11 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop) erts_set_fix_size(ERTS_ALC_T_DRV_SEL_D_STATE, sizeof(ErtsDrvSelectDataState)); #endif +#if !HALFWORD_HEAP + erts_set_fix_size(ERTS_ALC_T_EXPORT, sizeof(Export)); + erts_set_fix_size(ERTS_ALC_T_MONITOR_SH, ERTS_MONITOR_SH_SIZE*sizeof(Uint)); + erts_set_fix_size(ERTS_ALC_T_NLINK_SH, ERTS_LINK_SH_SIZE*sizeof(Uint)); +#endif #endif #endif @@ -638,6 +680,15 @@ set_au_allocator(ErtsAlcType_t alctr_n, struct au_init *init) ErtsAllocatorInfo_t *ai = &erts_allctrs_info[alctr_n]; ErtsAllocatorThrSpec_t *tspec = &erts_allctr_thr_spec[alctr_n]; +#if HALFWORD_HEAP + /* If halfword heap, silently ignore any disabling of internal + * allocators for low memory + */ + if (init->init.util.low_mem) { + init->enable = 1; + } +#endif + if (!init->enable) { af->alloc = erts_sys_alloc; af->realloc = erts_sys_realloc; @@ -1348,14 +1399,6 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init) argv[j++] = argv[i]; } *argc = j; -#if HALFWORD_HEAP - /* If halfword heap, silently ignore any disabling of internal - allocators */ - for (i = 0; i < aui_sz; ++i) - aui[i]->enable = 1; -#endif - - } static char *type_no_str(ErtsAlcType_t n) @@ -1528,10 +1571,10 @@ erts_realloc_n_enomem(ErtsAlcType_t n, void *ptr, Uint size) erts_alc_fatal_error(ERTS_ALC_E_NOMEM, ERTS_ALC_O_REALLOC, n, size); } -static ERTS_INLINE Uint +static ERTS_INLINE UWord alcu_size(ErtsAlcType_t ai) { - Uint res = 0; + UWord res = 0; ASSERT(erts_allctrs_info[ai].enabled); ASSERT(erts_allctrs_info[ai].alloc_util); @@ -1563,6 +1606,49 @@ alcu_size(ErtsAlcType_t ai) return res; } +#if HALFWORD_HEAP +static ERTS_INLINE int +alcu_is_low(ErtsAlcType_t ai) +{ + int is_low = 0; + ASSERT(erts_allctrs_info[ai].enabled); + ASSERT(erts_allctrs_info[ai].alloc_util); + + if (!erts_allctrs_info[ai].thr_spec) { + Allctr_t *allctr = erts_allctrs_info[ai].extra; + is_low = allctr->mseg_opt.low_mem; + } + else { + ErtsAllocatorThrSpec_t *tspec = &erts_allctr_thr_spec[ai]; + int i; +# ifdef DEBUG + int found_one = 0; +# endif + + ASSERT(tspec->all_thr_safe); + ASSERT(tspec->enabled); + + for (i = tspec->size - 1; i >= 0; i--) { + Allctr_t *allctr = tspec->allctr[i]; + if (allctr) { +# ifdef DEBUG + if (!found_one) { + is_low = allctr->mseg_opt.low_mem; + found_one = 1; + } + else ASSERT(is_low == allctr->mseg_opt.low_mem); +# else + is_low = allctr->mseg_opt.low_mem; + break; +# endif + } + } + ASSERT(found_one); + } + return is_low; +} +#endif /* HALFWORD */ + Eterm erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) { @@ -1579,22 +1665,28 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) int code; int ets; int maximum; +#if HALFWORD_HEAP + int low; +#endif } want = {0}; struct { - Uint total; - Uint processes; - Uint processes_used; - Uint system; - Uint atom; - Uint atom_used; - Uint binary; - Uint code; - Uint ets; - Uint maximum; + UWord total; + UWord processes; + UWord processes_used; + UWord system; + UWord atom; + UWord atom_used; + UWord binary; + UWord code; + UWord ets; + UWord maximum; +#if HALFWORD_HEAP + UWord low; +#endif } size = {0}; - Eterm atoms[sizeof(size)/sizeof(Uint)]; - Uint *uintps[sizeof(size)/sizeof(Uint)]; - Eterm euints[sizeof(size)/sizeof(Uint)]; + Eterm atoms[sizeof(size)/sizeof(UWord)]; + UWord *uintps[sizeof(size)/sizeof(UWord)]; + Eterm euints[sizeof(size)/sizeof(UWord)]; int want_tot_or_sys; int length; Eterm res = THE_NON_VALUE; @@ -1646,7 +1738,11 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) atoms[length] = am_maximum; uintps[length++] = &size.maximum; } - +#if HALFWORD_HEAP + want.low = 1; + atoms[length] = am_low; + uintps[length++] = &size.low; +#endif } else { DeclareTmpHeapNoproc(tmp_heap,2); @@ -1740,6 +1836,15 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) return am_badarg; } break; +#if HALFWORD_HEAP + case am_low: + if (!want.low) { + want.low = 1; + atoms[length] = am_low; + uintps[length++] = &size.low; + } + break; +#endif default: UnUseTmpHeapNoproc(2); return am_badarg; @@ -1769,7 +1874,7 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) ASSERT(length <= sizeof(atoms)/sizeof(Eterm)); ASSERT(length <= sizeof(euints)/sizeof(Eterm)); - ASSERT(length <= sizeof(uintps)/sizeof(Uint)); + ASSERT(length <= sizeof(uintps)/sizeof(UWord)); if (proc) { @@ -1788,8 +1893,8 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) for (ai = ERTS_ALC_A_MIN; ai <= ERTS_ALC_A_MAX; ai++) { if (erts_allctrs_info[ai].alloc_util) { - Uint *save; - Uint asz; + UWord *save; + UWord asz; switch (ai) { case ERTS_ALC_A_TEMPORARY: /* @@ -1814,6 +1919,11 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) if (save) *save = asz; size.total += asz; +#if HALFWORD_HEAP + if (alcu_is_low(ai)) { + size.low += asz; + } +#endif } } } @@ -1821,7 +1931,7 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) if (want_tot_or_sys || want.processes || want.processes_used) { - Uint tmp; + UWord tmp; if (ERTS_MEM_NEED_ALL_ALCU) tmp = size.processes; @@ -1836,6 +1946,9 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) size.processes = size.processes_used = tmp; +#if HALFWORD_HEAP + /* BUG: We ignore link and monitor memory */ +#else erts_fix_info(ERTS_ALC_T_NLINK_SH, &efi); size.processes += efi.total; size.processes_used += efi.used; @@ -1843,6 +1956,7 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) erts_fix_info(ERTS_ALC_T_MONITOR_SH, &efi); size.processes += efi.total; size.processes_used += efi.used; +#endif erts_fix_info(ERTS_ALC_T_PROC, &efi); size.processes += efi.total; @@ -1879,8 +1993,12 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) erts_fix_info(ERTS_ALC_T_MODULE, &efi); size.code += efi.used; size.code += export_table_sz(); +#if HALFWORD_HEAP + size.code += export_list_size() * sizeof(Export); +#else erts_fix_info(ERTS_ALC_T_EXPORT, &efi); size.code += efi.used; +#endif size.code += erts_fun_table_sz(); erts_fix_info(ERTS_ALC_T_FUN_ENTRY, &efi); size.code += efi.used; @@ -1926,9 +2044,9 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) if (only_one_value) { ASSERT(length == 1); hsz = 0; - erts_bld_uint(NULL, &hsz, *uintps[0]); + erts_bld_uword(NULL, &hsz, *uintps[0]); hp = hsz ? HAlloc((Process *) proc, hsz) : NULL; - res = erts_bld_uint(&hp, NULL, *uintps[0]); + res = erts_bld_uword(&hp, NULL, *uintps[0]); } else { Uint **hpp = NULL; @@ -1938,7 +2056,7 @@ erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg) while (1) { int i; for (i = 0; i < length; i++) - euints[i] = erts_bld_uint(hpp, hszp, *uintps[i]); + euints[i] = erts_bld_uword(hpp, hszp, *uintps[i]); res = erts_bld_2tup_list(hpp, hszp, length, atoms, euints); if (hpp) break; @@ -2107,11 +2225,11 @@ erts_allocated_areas(int *print_to_p, void *print_to_arg, void *proc) for (i = 0; i < length; i++) { switch (values[i].arity) { case 2: - erts_print(to, arg, "%s: %bpu\n", + erts_print(to, arg, "%s: %beu\n", values[i].name, values[i].ui[0]); break; case 3: - erts_print(to, arg, "%s: %bpu %bpu\n", + erts_print(to, arg, "%s: %beu %beu\n", values[i].name, values[i].ui[0], values[i].ui[1]); break; default: diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index ca71798917..c6cc0e1fac 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -75,6 +75,11 @@ allocator EHEAP true eheap_alloc allocator ETS true ets_alloc allocator FIXED_SIZE true fix_alloc ++if halfword +allocator LONG_LIVED_LOW true ll_alloc_low +allocator STANDARD_LOW true std_alloc_low ++endif + +else # Non smp build allocator TEMPORARY false temp_alloc @@ -85,12 +90,18 @@ allocator EHEAP false eheap_alloc allocator ETS false ets_alloc allocator FIXED_SIZE false fix_alloc ++if halfword +allocator LONG_LIVED_LOW false ll_alloc_low +allocator STANDARD_LOW false std_alloc_low ++endif + +endif allocator BINARY true binary_alloc allocator DRIVER true driver_alloc + # --- Class declarations ----------------------------------------------------- # # Syntax: class <CLASS> <DESCRIPTION> @@ -125,14 +136,9 @@ class SYSTEM system_data type PROC FIXED_SIZE PROCESSES proc type ATOM FIXED_SIZE ATOM atom_entry -type EXPORT FIXED_SIZE CODE export_entry type MODULE FIXED_SIZE CODE module_entry type REG_PROC FIXED_SIZE PROCESSES reg_proc type LINK_LH STANDARD PROCESSES link_lh -type MONITOR_SH FIXED_SIZE PROCESSES monitor_sh -type MONITOR_LH STANDARD PROCESSES monitor_lh -type NLINK_SH FIXED_SIZE PROCESSES nlink_sh -type NLINK_LH STANDARD PROCESSES nlink_lh type SUSPEND_MON STANDARD PROCESSES suspend_monitor type PEND_SUSPEND SHORT_LIVED PROCESSES pending_suspend type PROC_LIST SHORT_LIVED PROCESSES proc_list @@ -175,7 +181,6 @@ type DRIVER STANDARD SYSTEM driver type NIF DRIVER SYSTEM nif_internal type BINARY BINARY BINARIES binary type NBIF_TABLE SYSTEM SYSTEM nbif_tab -type CODE LONG_LIVED CODE code type ARG_REG STANDARD PROCESSES arg_reg type PROC_DICT STANDARD PROCESSES proc_dict type CALLS_BUF STANDARD PROCESSES calls_buf @@ -193,10 +198,8 @@ type DB_FIXATION SHORT_LIVED ETS db_fixation type DB_FIX_DEL SHORT_LIVED ETS fixed_del type DB_TABLES LONG_LIVED ETS db_tabs type DB_NTAB_ENT STANDARD ETS db_named_table_entry -type DB_HEIR_DATA STANDARD ETS db_heir_data type DB_TMP TEMPORARY ETS db_tmp type DB_MC_STK TEMPORARY ETS db_mc_stack -type DB_MS_PSDO_PROC LONG_LIVED ETS db_match_pseudo_proc type DB_MS_RUN_HEAP SHORT_LIVED ETS db_match_spec_run_heap type DB_MS_CMPL_HEAP TEMPORARY ETS db_match_spec_cmpl_heap type DB_SEG ETS ETS db_segment @@ -213,10 +216,8 @@ type LOGGER_DSBUF TEMPORARY SYSTEM logger_dsbuf type TMP_DSBUF TEMPORARY SYSTEM tmp_dsbuf type INFO_DSBUF SYSTEM SYSTEM info_dsbuf # INFO_DSBUF have to use the SYSTEM allocator; otherwise, a deadlock might occur -type SCHDLR_DATA LONG_LIVED SYSTEM scheduler_data type SCHDLR_SLP_INFO LONG_LIVED SYSTEM scheduler_sleep_info type RUNQS LONG_LIVED SYSTEM run_queues -type DDLL_PROCESS STANDARD SYSTEM ddll_processes type DDLL_HANDLE STANDARD SYSTEM ddll_handle type DDLL_ERRCODES LONG_LIVED SYSTEM ddll_errcodes type DDLL_TMP_BUF TEMPORARY SYSTEM ddll_tmp_buf @@ -327,13 +328,45 @@ type SSB SHORT_LIVED PROCESSES ssb +endif ++if halfword + +type DDLL_PROCESS STANDARD_LOW SYSTEM ddll_processes +type MONITOR_LH STANDARD_LOW PROCESSES monitor_lh +type NLINK_LH STANDARD_LOW PROCESSES nlink_lh +type CODE LONG_LIVED_LOW CODE code +type DB_HEIR_DATA STANDARD_LOW ETS db_heir_data +type DB_MS_PSDO_PROC LONG_LIVED_LOW ETS db_match_pseudo_proc +type SCHDLR_DATA LONG_LIVED_LOW SYSTEM scheduler_data +type LL_TEMP_TERM LONG_LIVED_LOW SYSTEM ll_temp_term + +# no FIXED_SIZE for low memory +type EXPORT STANDARD_LOW CODE export_entry +type MONITOR_SH STANDARD_LOW PROCESSES monitor_sh +type NLINK_SH STANDARD_LOW PROCESSES nlink_sh + ++else # "fullword" + +type DDLL_PROCESS STANDARD SYSTEM ddll_processes +type MONITOR_LH STANDARD PROCESSES monitor_lh +type NLINK_LH STANDARD PROCESSES nlink_lh +type CODE LONG_LIVED CODE code +type DB_HEIR_DATA STANDARD ETS db_heir_data +type DB_MS_PSDO_PROC LONG_LIVED ETS db_match_pseudo_proc +type SCHDLR_DATA LONG_LIVED SYSTEM scheduler_data +type LL_TEMP_TERM LONG_LIVED SYSTEM ll_temp_term + +type EXPORT FIXED_SIZE CODE export_entry +type MONITOR_SH FIXED_SIZE PROCESSES monitor_sh +type NLINK_SH FIXED_SIZE PROCESSES nlink_sh + ++endif + + # # Types used by system specific code # type TEMP_TERM TEMPORARY SYSTEM temp_term -type LL_TEMP_TERM LONG_LIVED SYSTEM ll_temp_term - type DRV_TAB LONG_LIVED SYSTEM drv_tab type DRV_EV_STATE LONG_LIVED SYSTEM driver_event_state type DRV_EV_D_STATE FIXED_SIZE SYSTEM driver_event_data_state diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index 1394b7e829..cc04ef65bf 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -1639,6 +1639,9 @@ static struct { Eterm e; Eterm t; Eterm ramv; +#if HALFWORD_HEAP + Eterm low; +#endif Eterm sbct; #if HAVE_ERTS_MSEG Eterm asbcst; @@ -1724,6 +1727,9 @@ init_atoms(Allctr_t *allctr) AM_INIT(e); AM_INIT(t); AM_INIT(ramv); +#if HALFWORD_HEAP + AM_INIT(low); +#endif AM_INIT(sbct); #if HAVE_ERTS_MSEG AM_INIT(asbcst); @@ -1877,7 +1883,7 @@ sz_info_carriers(Allctr_t *allctr, cs->blocks.max_ever.size); erts_print(to, arg, - "%scarriers size: %bpu %bpu %bpu\n", + "%scarriers size: %beu %bpu %bpu\n", prefix, curr_size, cs->max.size, @@ -1933,7 +1939,7 @@ info_carriers(Allctr_t *allctr, cs->blocks.max_ever.size); erts_print(to, arg, - "%scarriers: %bpu %bpu %bpu\n", + "%scarriers: %beu %bpu %bpu\n", prefix, curr_no, cs->max.no, @@ -1952,7 +1958,7 @@ info_carriers(Allctr_t *allctr, cs->curr_sys_alloc.no); erts_print(to, arg, - "%scarriers size: %bpu %bpu %bpu\n", + "%scarriers size: %beu %bpu %bpu\n", prefix, curr_size, cs->max.size, @@ -2053,15 +2059,15 @@ info_calls(Allctr_t *allctr, #define PRINT_CC_4(TO, TOA, NAME, CC) \ if ((CC).giga_no == 0) \ - erts_print(TO, TOA, "%s calls: %bpu\n", NAME, CC.no); \ + erts_print(TO, TOA, "%s calls: %b32u\n", NAME, CC.no); \ else \ - erts_print(TO, TOA, "%s calls: %bpu%09lu\n", NAME, CC.giga_no, CC.no) + erts_print(TO, TOA, "%s calls: %b32u%09lu\n", NAME, CC.giga_no, CC.no) #define PRINT_CC_5(TO, TOA, PRFX, NAME, CC) \ if ((CC).giga_no == 0) \ - erts_print(TO, TOA, "%s%s calls: %bpu\n",PRFX,NAME,CC.no); \ + erts_print(TO, TOA, "%s%s calls: %b32u\n",PRFX,NAME,CC.no); \ else \ - erts_print(TO, TOA, "%s%s calls: %bpu%09lu\n",PRFX,NAME,CC.giga_no,CC.no) + erts_print(TO, TOA, "%s%s calls: %b32u%09lu\n",PRFX,NAME,CC.giga_no,CC.no) char *prefix = allctr->name_prefix; int to = *print_to_p; @@ -2168,23 +2174,29 @@ info_options(Allctr_t *allctr, "option e: true\n" "option t: %s\n" "option ramv: %s\n" - "option sbct: %bpu\n" +#if HALFWORD_HEAP + "option low: %s\n" +#endif + "option sbct: %beu\n" #if HAVE_ERTS_MSEG "option asbcst: %bpu\n" "option rsbcst: %bpu\n" #endif - "option rsbcmt: %bpu\n" - "option rmbcmt: %bpu\n" - "option mmbcs: %bpu\n" + "option rsbcmt: %beu\n" + "option rmbcmt: %beu\n" + "option mmbcs: %beu\n" #if HAVE_ERTS_MSEG - "option mmsbc: %bpu\n" - "option mmmbc: %bpu\n" + "option mmsbc: %beu\n" + "option mmmbc: %beu\n" #endif - "option lmbcs: %bpu\n" - "option smbcs: %bpu\n" - "option mbcgs: %bpu\n", + "option lmbcs: %beu\n" + "option smbcs: %beu\n" + "option mbcgs: %beu\n", topt, allctr->ramv ? "true" : "false", +#if HALFWORD_HEAP + allctr->mseg_opt.low_mem ? "true" : "false", +#endif allctr->sbc_threshold, #if HAVE_ERTS_MSEG allctr->mseg_opt.abs_shrink_th, @@ -2243,6 +2255,9 @@ info_options(Allctr_t *allctr, add_2tup(hpp, szp, &res, am.sbct, bld_uint(hpp, szp, allctr->sbc_threshold)); +#if HALFWORD_HEAP + add_2tup(hpp, szp, &res, am.low, allctr->mseg_opt.low_mem ? am_true : am_false); +#endif add_2tup(hpp, szp, &res, am.ramv, allctr->ramv ? am_true : am_false); add_2tup(hpp, szp, &res, am.t, (allctr->t ? bld_uint(hpp, szp, (Uint) allctr->t) @@ -2292,9 +2307,9 @@ erts_alcu_au_info_options(int *print_to_p, void *print_to_arg, erts_print(*print_to_p, print_to_arg, #if HAVE_ERTS_MSEG - "option mmc: %bpu\n" + "option mmc: %beu\n" #endif - "option ycs: %bpu\n", + "option ycs: %beu\n", #if HAVE_ERTS_MSEG max_mseg_carriers, #endif @@ -3105,13 +3120,12 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init) goto error; #if HAVE_ERTS_MSEG - { - ErtsMsegOpt_t mseg_opt = ERTS_MSEG_DEFAULT_OPT_INITIALIZER; - - sys_memcpy((void *) &allctr->mseg_opt, - (void *) &mseg_opt, - sizeof(ErtsMsegOpt_t)); - } + sys_memcpy((void *) &allctr->mseg_opt, + (void *) &erts_mseg_default_opt, + sizeof(ErtsMsegOpt_t)); +# if HALFWORD_HEAP + allctr->mseg_opt.low_mem = init->low_mem; +# endif #endif allctr->name_prefix = init->name_prefix; diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index d296081714..ddf84c086c 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -38,6 +38,7 @@ typedef struct { int tspec; int tpref; int ramv; + int low_mem; /* HALFWORD only */ UWord sbct; UWord asbcst; UWord rsbcst; @@ -70,6 +71,7 @@ typedef struct { 0, /* (bool) tspec: thread specific */\ 0, /* (bool) tpref: thread preferred */\ 0, /* (bool) ramv: realloc always moves */\ + 0, /* (bool) low_mem: HALFWORD only */\ 512*1024, /* (bytes) sbct: sbc threshold */\ 2*1024*2024, /* (amount) asbcst: abs sbc shrink threshold */\ 20, /* (%) rsbcst: rel sbc shrink threshold */\ @@ -97,6 +99,7 @@ typedef struct { 0, /* (bool) tspec: thread specific */\ 0, /* (bool) tpref: thread preferred */\ 0, /* (bool) ramv: realloc always moves */\ + 0, /* (bool) low_mem: HALFWORD only */\ 64*1024, /* (bytes) sbct: sbc threshold */\ 2*1024*2024, /* (amount) asbcst: abs sbc shrink threshold */\ 20, /* (%) rsbcst: rel sbc shrink threshold */\ diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c index 12c7631448..91b64411d4 100644 --- a/erts/emulator/beam/erl_async.c +++ b/erts/emulator/beam/erl_async.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2000-2010. All Rights Reserved. + * Copyright Ericsson AB 2000-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -251,6 +251,7 @@ static int async_del(long id) erts_free(ERTS_ALC_T_ASYNC, a); return 1; } + a = a->next; } erts_mtx_unlock(&async_q[i].mtx); } diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c index c9cdcb87a6..9631fb50db 100644 --- a/erts/emulator/beam/erl_bif_ddll.c +++ b/erts/emulator/beam/erl_bif_ddll.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2006-2010. All Rights Reserved. + * Copyright Ericsson AB 2006-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -146,7 +146,7 @@ BIF_RETTYPE erl_ddll_try_load_3(Process *p, Eterm path_term, Eterm name_term, Eterm options) { char *path = NULL; - int path_len; + Uint path_len; char *name = NULL; DE_Handle *dh; erts_driver_t *drv; @@ -221,9 +221,7 @@ BIF_RETTYPE erl_ddll_try_load_3(Process *p, Eterm path_term, goto error; } - path_len = io_list_len(path_term); - - if (path_len <= 0) { + if (erts_iolist_size(path_term, &path_len)) { goto error; } path = erts_alloc(ERTS_ALC_T_DDLL_TMP_BUF, path_len + 1 /* might need path separator */ + sys_strlen(name) + 1); @@ -1878,7 +1876,7 @@ static Eterm mkatom(char *str) static char *pick_list_or_atom(Eterm name_term) { char *name = NULL; - int name_len; + Uint name_len; if (is_atom(name_term)) { Atom *ap = atom_tab(atom_val(name_term)); if (ap->len == 0) { @@ -1890,8 +1888,7 @@ static char *pick_list_or_atom(Eterm name_term) memcpy(name,ap->name,ap->len); name[ap->len] = '\0'; } else { - name_len = io_list_len(name_term); - if (name_len <= 0) { + if (erts_iolist_size(name_term, &name_len)) { goto error; } name = erts_alloc(ERTS_ALC_T_DDLL_TMP_BUF, name_len + 1); diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index e06fbde9fb..f264bf44df 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -71,9 +71,9 @@ static char erts_system_version[] = ("Erlang " ERLANG_OTP_RELEASE #endif #endif #ifdef ERTS_SMP - " [smp:%bpu:%bpu]" + " [smp:%beu:%beu]" #endif - " [rq:%bpu]" + " [rq:%beu]" #ifdef USE_THREADS " [async-threads:%d]" #endif @@ -1723,17 +1723,23 @@ info_1_tuple(Process* BIF_P, /* Pointer to current process. */ } else if (is_list(*tp)) { #if defined(PURIFY) #define ERTS_ERROR_CHECKER_PRINTF purify_printf +#define ERTS_ERROR_CHECKER_PRINTF_XML purify_printf #elif defined(VALGRIND) #define ERTS_ERROR_CHECKER_PRINTF VALGRIND_PRINTF +# ifndef HAVE_VALGRIND_PRINTF_XML +# define ERTS_ERROR_CHECKER_PRINTF_XML VALGRIND_PRINTF +# else +# define ERTS_ERROR_CHECKER_PRINTF_XML VALGRIND_PRINTF_XML +# endif #endif - int buf_size = 8*1024; /* Try with 8KB first */ + Uint buf_size = 8*1024; /* Try with 8KB first */ char *buf = erts_alloc(ERTS_ALC_T_TMP, buf_size); int r = io_list_to_buf(*tp, (char*) buf, buf_size - 1); if (r < 0) { erts_free(ERTS_ALC_T_TMP, (void *) buf); - buf_size = io_list_len(*tp); - if (buf_size < 0) + if (erts_iolist_size(*tp, &buf_size)) { goto badarg; + } buf_size++; buf = erts_alloc(ERTS_ALC_T_TMP, buf_size); r = io_list_to_buf(*tp, (char*) buf, buf_size - 1); @@ -1741,8 +1747,8 @@ info_1_tuple(Process* BIF_P, /* Pointer to current process. */ } buf[buf_size - 1 - r] = '\0'; if (check_if_xml()) { - ERTS_ERROR_CHECKER_PRINTF("<erlang_info_log>" - "%s</erlang_info_log>\n", buf); + ERTS_ERROR_CHECKER_PRINTF_XML("<erlang_info_log>" + "%s</erlang_info_log>\n", buf); } else { ERTS_ERROR_CHECKER_PRINTF("%s\n", buf); } diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c index fbc92b9730..3fd35dd963 100644 --- a/erts/emulator/beam/erl_bif_port.c +++ b/erts/emulator/beam/erl_bif_port.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2010. All Rights Reserved. + * Copyright Ericsson AB 2001-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -996,6 +996,7 @@ static byte* convert_environment(Process* p, Eterm env) Eterm* hp; Uint heap_size; int n; + Uint size; byte* bytes; if ((n = list_length(env)) < 0) { @@ -1039,15 +1040,15 @@ static byte* convert_environment(Process* p, Eterm env) if (is_not_nil(env)) { goto done; } - if ((n = io_list_len(all)) < 0) { + if (erts_iolist_size(all, &size)) { goto done; } /* * Put the result in a binary (no risk for a memory leak that way). */ - (void) erts_new_heap_binary(p, NULL, n, &bytes); - io_list_to_buf(all, (char*)bytes, n); + (void) erts_new_heap_binary(p, NULL, size, &bytes); + io_list_to_buf(all, (char*)bytes, size); done: erts_free(ERTS_ALC_T_TMP, temp_heap); diff --git a/erts/emulator/beam/erl_bif_re.c b/erts/emulator/beam/erl_bif_re.c index d4a8a3aaa7..26891c4348 100644 --- a/erts/emulator/beam/erl_bif_re.c +++ b/erts/emulator/beam/erl_bif_re.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2008-2010. All Rights Reserved. + * Copyright Ericsson AB 2008-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -417,7 +417,7 @@ build_compile_result(Process *p, Eterm error_tag, pcre *result, int errcode, con BIF_RETTYPE re_compile_2(BIF_ALIST_2) { - int slen; + Uint slen; char *expr; pcre *result; int errcode = 0; @@ -444,7 +444,7 @@ re_compile_2(BIF_ALIST_2) BIF_TRAP2(ucompile_trap_exportp, BIF_P, BIF_ARG_1, BIF_ARG_2); } - if ((slen = io_list_len(BIF_ARG_1)) < 0) { + if (erts_iolist_size(BIF_ARG_1, &slen)) { BIF_ERROR(BIF_P,BADARG); } expr = erts_alloc(ERTS_ALC_T_RE_TMP_BUF, slen + 1); @@ -795,8 +795,8 @@ build_capture(Eterm capture_spec[CAPSPEC_SIZE], const pcre *code) memcpy(tmpb,ap->name,ap->len); tmpb[ap->len] = '\0'; } else { - int slen = io_list_len(val); - if (slen < 0) { + Uint slen; + if (erts_iolist_size(val, &slen)) { goto error; } if ((slen + 1) > tmpbsiz) { @@ -851,7 +851,7 @@ re_run_3(BIF_ALIST_3) const pcre *code_tmp; RestartContext restart; byte *temp_alloc = NULL; - int slength; + Uint slength; int startoffset = 0; int options = 0, comp_options = 0; int ovsize; @@ -875,7 +875,7 @@ re_run_3(BIF_ALIST_3) if (is_not_tuple(BIF_ARG_2) || (arityval(*tuple_val(BIF_ARG_2)) != 4)) { if (is_binary(BIF_ARG_2) || is_list(BIF_ARG_2) || is_nil(BIF_ARG_2)) { /* Compile from textual RE */ - int slen; + Uint slen; char *expr; pcre *result; int errcode = 0; @@ -889,7 +889,7 @@ re_run_3(BIF_ALIST_3) BIF_TRAP3(urun_trap_exportp, BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3); } - if ((slen = io_list_len(BIF_ARG_2)) < 0) { + if (erts_iolist_size(BIF_ARG_2, &slen)) { BIF_ERROR(BIF_P,BADARG); } @@ -1027,7 +1027,7 @@ re_run_3(BIF_ALIST_3) restart.flags |= RESTART_FLAG_SUBJECT_IN_BINARY; } else { handle_iolist: - if ((slength = io_list_len(BIF_ARG_1)) < 0) { + if (erts_iolist_size(BIF_ARG_1, &slength)) { erts_free(ERTS_ALC_T_RE_SUBJECT, restart.ovector); erts_free(ERTS_ALC_T_RE_SUBJECT, restart.code); if (restart.ret_info != NULL) { diff --git a/erts/emulator/beam/erl_bits.c b/erts/emulator/beam/erl_bits.c index 6f8a7436d5..e56084b9cb 100644 --- a/erts/emulator/beam/erl_bits.c +++ b/erts/emulator/beam/erl_bits.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2010. All Rights Reserved. + * Copyright Ericsson AB 1999-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -177,7 +177,6 @@ erts_bs_get_integer_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuff byte* LSB; byte* MSB; Uint* hp; - Uint* hp_end; Uint words_needed; Uint actual; Uint v32; @@ -405,7 +404,6 @@ erts_bs_get_integer_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuff default: words_needed = 1+WSIZE(bytes); hp = HeapOnlyAlloc(p, words_needed); - hp_end = hp + words_needed; res = bytes_to_big(LSB, bytes, sgn, hp); if (is_small(res)) { p->htop = hp; @@ -425,7 +423,6 @@ Eterm erts_bs_get_binary_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuffer* mb) { ErlSubBin* sb; - size_t num_bytes; /* Number of bytes in binary. */ if (mb->size - mb->offset < num_bits) { /* Asked for too many bits. */ return THE_NON_VALUE; @@ -435,7 +432,6 @@ erts_bs_get_binary_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuffe * From now on, we can't fail. */ - num_bytes = NBYTES(num_bits); sb = (ErlSubBin *) HeapOnlyAlloc(p, ERL_SUB_BIN_SIZE); sb->thing_word = HEADER_SUB_BIN; @@ -1557,7 +1553,6 @@ Uint32 erts_bs_get_unaligned_uint32(ErlBinMatchBuffer* mb) { Uint bytes; - Uint bits; Uint offs; byte bigbuf[4]; byte* LSB; @@ -1567,7 +1562,6 @@ erts_bs_get_unaligned_uint32(ErlBinMatchBuffer* mb) ASSERT(mb->size - mb->offset >= 32); bytes = 4; - bits = 8; offs = 0; LSB = bigbuf; diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 61e8a595be..e0a6aa05c6 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -3737,7 +3737,7 @@ static void print_table(int to, void *to_arg, int show, DbTable* tb) erts_print(to, to_arg, "Objects: %d\n", (int)erts_smp_atomic_read(&tb->common.nitems)); erts_print(to, to_arg, "Words: %bpu\n", - (Uint) ((erts_smp_atomic_read(&tb->common.memory_size) + (UWord) ((erts_smp_atomic_read(&tb->common.memory_size) + sizeof(Uint) - 1) / sizeof(Uint))); diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index 9ef990cc4f..fdc82c8b88 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -105,7 +105,7 @@ #define NSEG_2 256 /* Size of second segment table */ #define NSEG_INC 128 /* Number of segments to grow after that */ -#define SEGTAB(tb) ((struct segment**)erts_smp_atomic_read(&(tb)->segtab)) +#define SEGTAB(tb) ((struct segment**)erts_smp_atomic_read_acqb(&(tb)->segtab)) #define NACTIVE(tb) ((int)erts_smp_atomic_read(&(tb)->nactive)) #define NITEMS(tb) ((int)erts_smp_atomic_read(&(tb)->common.nitems)) @@ -122,8 +122,8 @@ */ static ERTS_INLINE Uint hash_to_ix(DbTableHash* tb, HashValue hval) { - Uint mask = erts_smp_atomic_read(&tb->szm); - Uint ix = hval & mask; + Uint mask = erts_smp_atomic_read_acqb(&tb->szm); + Uint ix = hval & mask; if (ix >= erts_smp_atomic_read(&tb->nactive)) { ix &= mask>>1; ASSERT(ix < erts_smp_atomic_read(&tb->nactive)); @@ -668,6 +668,7 @@ int db_create_hash(Process *p, DbTable *tbl) else { /* coarse locking */ tb->locks = NULL; } + ERTS_THR_MEMORY_BARRIER; #endif /* ERST_SMP */ return DB_ERROR_NONE; } @@ -2085,7 +2086,14 @@ static void db_print_hash(int to, void *to_arg, int show, DbTable *tbl) while(list != 0) { if (list->hvalue == INVALID_HASH) erts_print(to, to_arg, "*"); - erts_print(to, to_arg, "%T", make_tuple(list->dbterm.tpl)); + if (tb->common.compress) { + Eterm key = GETKEY(tb, list->dbterm.tpl); + erts_print(to, to_arg, "key=%R", key, list->dbterm.tpl); + } + else { + Eterm obj = make_tuple_rel(list->dbterm.tpl,list->dbterm.tpl); + erts_print(to, to_arg, "%R", obj, list->dbterm.tpl); + } if (list->next != 0) erts_print(to, to_arg, ","); list = list->next; @@ -2342,7 +2350,7 @@ static int alloc_seg(DbTableHash *tb) struct ext_segment* eseg; eseg = (struct ext_segment*) SEGTAB(tb)[seg_ix-1]; MY_ASSERT(eseg!=NULL && eseg->s.is_ext_segment); - erts_smp_atomic_set(&tb->segtab, (erts_aint_t) eseg->segtab); + erts_smp_atomic_set_relb(&tb->segtab, (erts_aint_t) eseg->segtab); tb->nsegs = eseg->nsegs; } ASSERT(seg_ix < tb->nsegs); @@ -2414,7 +2422,7 @@ static int free_seg(DbTableHash *tb, int free_records) MY_ASSERT(newtop->s.is_ext_segment); if (newtop->prev_segtab != NULL) { /* Time to use a smaller segtab */ - erts_smp_atomic_set(&tb->segtab, (erts_aint_t)newtop->prev_segtab); + erts_smp_atomic_set_relb(&tb->segtab, (erts_aint_t)newtop->prev_segtab); tb->nsegs = seg_ix; ASSERT(tb->nsegs == EXTSEG(SEGTAB(tb))->nsegs); } @@ -2431,7 +2439,7 @@ static int free_seg(DbTableHash *tb, int free_records) if (seg_ix > 0) { if (seg_ix < tb->nsegs) SEGTAB(tb)[seg_ix] = NULL; } else { - erts_smp_atomic_set(&tb->segtab, (erts_aint_t)NULL); + erts_smp_atomic_set_relb(&tb->segtab, (erts_aint_t)NULL); } #endif tb->nslots -= SEGSZ; @@ -2526,9 +2534,9 @@ static void grow(DbTableHash* tb, int nactive) } erts_smp_atomic_inc(&tb->nactive); if (from_ix == 0) { - erts_smp_atomic_set(&tb->szm, szm); + erts_smp_atomic_set_relb(&tb->szm, szm); } - erts_smp_atomic_set(&tb->is_resizing, 0); + erts_smp_atomic_set_relb(&tb->is_resizing, 0); /* Finally, let's split the bucket. We try to do it in a smart way to keep link order and avoid unnecessary updates of next-pointers */ @@ -2560,7 +2568,7 @@ static void grow(DbTableHash* tb, int nactive) return; abort: - erts_smp_atomic_set(&tb->is_resizing, 0); + erts_smp_atomic_set_relb(&tb->is_resizing, 0); } @@ -2604,7 +2612,7 @@ static void shrink(DbTableHash* tb, int nactive) erts_smp_atomic_set(&tb->nactive, src_ix); if (dst_ix == 0) { - erts_smp_atomic_set(&tb->szm, low_szm); + erts_smp_atomic_set_relb(&tb->szm, low_szm); } WUNLOCK_HASH(lck); @@ -2618,7 +2626,7 @@ static void shrink(DbTableHash* tb, int nactive) } /*else already done */ - erts_smp_atomic_set(&tb->is_resizing, 0); + erts_smp_atomic_set_relb(&tb->is_resizing, 0); } diff --git a/erts/emulator/beam/erl_db_tree.c b/erts/emulator/beam/erl_db_tree.c index a59c0c258d..9a0ba3a418 100644 --- a/erts/emulator/beam/erl_db_tree.c +++ b/erts/emulator/beam/erl_db_tree.c @@ -111,7 +111,7 @@ static void release_stack(DbTableTree* tb, DbTreeStack* stack) { if (stack == &tb->static_stack) { ASSERT(erts_smp_atomic_read(&tb->is_stack_busy) == 1); - erts_smp_atomic_set(&tb->is_stack_busy, 0); + erts_smp_atomic_set_relb(&tb->is_stack_busy, 0); } else { erts_db_free(ERTS_ALC_T_DB_STK, (DbTable *) tb, @@ -179,7 +179,7 @@ static ERTS_INLINE TreeDbTerm* replace_dbterm(DbTableTree *tb, TreeDbTerm* old, static TreeDbTerm *traverse_until(TreeDbTerm *t, int *current, int to); static void check_slot_pos(DbTableTree *tb); static void check_saved_stack(DbTableTree *tb); -static int check_table_tree(TreeDbTerm *t); +static int check_table_tree(DbTableTree* tb, TreeDbTerm *t); #define TREE_DEBUG #endif @@ -194,8 +194,8 @@ static int check_table_tree(TreeDbTerm *t); ** Debugging dump */ -static void do_dump_tree2(int to, void *to_arg, int show, TreeDbTerm *t, - int offset); +static void do_dump_tree2(DbTableTree*, int to, void *to_arg, int show, + TreeDbTerm *t, int offset); #else @@ -1730,6 +1730,7 @@ static int db_select_delete_tree(Process *p, DbTable *tbl, ** Other interface routines (not directly coupled to one bif) */ + /* Display tree contents (for dump) */ static void db_print_tree(int to, void *to_arg, int show, @@ -1740,7 +1741,7 @@ static void db_print_tree(int to, void *to_arg, if (show) erts_print(to, to_arg, "\nTree data dump:\n" "------------------------------------------------\n"); - do_dump_tree2(to, to_arg, show, tb->root, 0); + do_dump_tree2(&tbl->tree, to, to_arg, show, tb->root, 0); if (show) erts_print(to, to_arg, "\n" "------------------------------------------------\n"); @@ -2694,7 +2695,7 @@ static Sint do_cmp_partly_bound(Eterm a, Eterm b, Eterm* b_base, int *done) while (1) { if ((j = do_cmp_partly_bound(*aa++, *bb++, b_base, done)) != 0 || *done) return j; - if (*aa==*bb) + if (is_same(*aa, NULL, *bb, b_base)) return 0; if (is_not_list(*aa) || is_not_list(*bb)) return do_cmp_partly_bound(*aa, *bb, b_base, done); @@ -2742,7 +2743,7 @@ static Sint cmp_partly_bound(Eterm partly_bound_key, Eterm bound_key, Eterm* bk_ erts_fprintf(stderr," > "); else erts_fprintf(stderr," == "); - erts_fprintf(stderr,"%T\n",bound_key); // HALFWORD BUG: printing rterm + erts_fprintf(stderr,"%R\n", bound_key, bk_base); #endif return ret; } @@ -3084,19 +3085,28 @@ static int doit_select_delete(DbTableTree *tb, TreeDbTerm *this, void *ptr, } #ifdef TREE_DEBUG -static void do_dump_tree2(int to, void *to_arg, int show, TreeDbTerm *t, - int offset) +static void do_dump_tree2(DbTableTree* tb, int to, void *to_arg, int show, + TreeDbTerm *t, int offset) { if (t == NULL) - return 0; - do_dump_tree2(to, to_arg, show, t->right, offset + 4); + return; + do_dump_tree2(tb, to, to_arg, show, t->right, offset + 4); if (show) { - erts_print(to, to_arg, "%*s%T (addr = %p, bal = %d)\n" - offset, "", make_tuple(t->dbterm.tpl), + const char* prefix; + Eterm term; + if (tb->common.compress) { + prefix = "key="; + term = GETKEY(tb, t->dbterm.tpl); + } + else { + prefix = ""; + term = make_tuple_rel(t->dbterm.tpl,t->dbterm.tpl); + } + erts_print(to, to_arg, "%*s%s%R (addr = %p, bal = %d)\n", + offset, "", prefix, term, t->dbterm.tpl, t, t->balance); } - do_dump_tree2(to, to_arg, show, t->left, offset + 4); - return sum; + do_dump_tree2(tb, to, to_arg, show, t->left, offset + 4); } #endif @@ -3106,7 +3116,7 @@ static void do_dump_tree2(int to, void *to_arg, int show, TreeDbTerm *t, void db_check_table_tree(DbTable *tbl) { DbTableTree *tb = &tbl->tree; - check_table_tree(tb->root); + check_table_tree(tb, tb->root); check_saved_stack(tb); check_slot_pos(tb); } @@ -3137,7 +3147,7 @@ static void check_slot_pos(DbTableTree *tb) "element position %d is really 0x%08X, when stack says " "it's 0x%08X\n", tb->stack.slot, t, tb->stack.array[tb->stack.pos - 1]); - do_dump_tree2(ERTS_PRINT_STDERR, NULL, 1, tb->root, 0); + do_dump_tree2(tb, ERTS_PRINT_STDERR, NULL, 1, tb->root, 0); } } @@ -3152,14 +3162,14 @@ static void check_saved_stack(DbTableTree *tb) if (t != stack->array[0]) { erts_fprintf(stderr,"tb->stack[0] is 0x%08X, should be 0x%08X\n", stack->array[0], t); - do_dump_tree2(ERTS_PRINT_STDERR, NULL, 1, tb->root, 0); + do_dump_tree2(tb, ERTS_PRINT_STDERR, NULL, 1, tb->root, 0); return; } while (n < stack->pos) { if (t == NULL) { erts_fprintf(stderr, "NULL pointer in tree when stack not empty," " stack depth is %d\n", n); - do_dump_tree2(ERTS_PRINT_STDERR, NULL, 1, tb->root, 0); + do_dump_tree2(tb, ERTS_PRINT_STDERR, NULL, 1, tb->root, 0); return; } n++; @@ -3173,28 +3183,26 @@ static void check_saved_stack(DbTableTree *tb) "represent child pointer in tree!" "(left == 0x%08X, right == 0x%08X\n", n, tb->stack[n], t->left, t->right); - do_dump_tree2(ERTS_PRINT_STDERR, NULL, 1, tb->root, 0); + do_dump_tree2(tb, ERTS_PRINT_STDERR, NULL, 1, tb->root, 0); return; } } } } -static int check_table_tree(TreeDbTerm *t) +static int check_table_tree(DbTableTree* tb, TreeDbTerm *t) { int lh, rh; if (t == NULL) return 0; - lh = check_table_tree(t->left); - rh = check_table_tree(t->right); + lh = check_table_tree(tb, t->left); + rh = check_table_tree(tb, t->right); if ((rh - lh) != t->balance) { erts_fprintf(stderr, "Invalid tree balance for this node:\n"); - erts_fprintf(stderr,"balance = %d, left = 0x%08X, right = 0x%08X\n" - "data = %T", - t->balance, t->left, t->right, - make_tuple(t->dbterm.tpl)); + erts_fprintf(stderr,"balance = %d, left = 0x%08X, right = 0x%08X\n", + t->balance, t->left, t->right); erts_fprintf(stderr,"\nDump:\n---------------------------------\n"); - do_dump_tree2(ERTS_PRINT_STDERR, NULL, 1, t, 0); + do_dump_tree2(tb, ERTS_PRINT_STDERR, NULL, 1, t, 0); erts_fprintf(stderr,"\n---------------------------------\n"); } return ((rh > lh) ? rh : lh) + 1; diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 0b63ab9ba0..c3b074f782 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -5046,31 +5046,31 @@ void db_match_dis(Binary *bp) ++t; n = *t; ++t; - erts_printf("TryMeElse\t%bpu\n", n); + erts_printf("TryMeElse\t%beu\n", n); break; case matchArray: ++t; n = *t; ++t; - erts_printf("Array\t%bpu\n", n); + erts_printf("Array\t%beu\n", n); break; case matchArrayBind: ++t; n = *t; ++t; - erts_printf("ArrayBind\t%bpu\n", n); + erts_printf("ArrayBind\t%beu\n", n); break; case matchTuple: ++t; n = *t; ++t; - erts_printf("Tuple\t%bpu\n", n); + erts_printf("Tuple\t%beu\n", n); break; case matchPushT: ++t; n = *t; ++t; - erts_printf("PushT\t%bpu\n", n); + erts_printf("PushT\t%beu\n", n); break; case matchPushL: ++t; @@ -5084,13 +5084,13 @@ void db_match_dis(Binary *bp) ++t; n = *t; ++t; - erts_printf("Bind\t%bpu\n", n); + erts_printf("Bind\t%beu\n", n); break; case matchCmp: ++t; n = *t; ++t; - erts_printf("Cmp\t%bpu\n", n); + erts_printf("Cmp\t%beu\n", n); break; case matchEqBin: ++t; @@ -5112,9 +5112,9 @@ void db_match_dis(Binary *bp) else erts_printf(", "); #if defined(ARCH_64) && !HALFWORD_HEAP - erts_printf("0x%016bpx", rt->data.ui[ri]); + erts_printf("0x%016bex", rt->data.ui[ri]); #else - erts_printf("0x%08bpx", rt->data.ui[ri]); + erts_printf("0x%08bex", rt->data.ui[ri]); #endif } } @@ -5136,9 +5136,9 @@ void db_match_dis(Binary *bp) else erts_printf(", "); #if defined(ARCH_64) && !HALFWORD_HEAP - erts_printf("0x%016bpx", *et); + erts_printf("0x%016bex", *et); #else - erts_printf("0x%08bpx", *et); + erts_printf("0x%08bex", *et); #endif ++et; } @@ -5190,31 +5190,31 @@ void db_match_dis(Binary *bp) ++t; n = *t; ++t; - erts_printf("MkTuple\t%bpu\n", n); + erts_printf("MkTuple\t%beu\n", n); break; case matchOr: ++t; n = *t; ++t; - erts_printf("Or\t%bpu\n", n); + erts_printf("Or\t%beu\n", n); break; case matchAnd: ++t; n = *t; ++t; - erts_printf("And\t%bpu\n", n); + erts_printf("And\t%beu\n", n); break; case matchOrElse: ++t; n = *t; ++t; - erts_printf("OrElse\t%bpu\n", n); + erts_printf("OrElse\t%beu\n", n); break; case matchAndAlso: ++t; n = *t; ++t; - erts_printf("AndAlso\t%bpu\n", n); + erts_printf("AndAlso\t%beu\n", n); break; case matchCall0: ++t; @@ -5244,19 +5244,19 @@ void db_match_dis(Binary *bp) ++t; n = (Uint) *t; ++t; - erts_printf("PushV\t%bpu\n", n); + erts_printf("PushV\t%beu\n", n); break; #if HALFWORD_HEAP case matchPushVGuard: n = (Uint) *++t; ++t; - erts_printf("PushVGuard\t%bpu\n", n); + erts_printf("PushVGuard\t%beu\n", n); break; #endif case matchPushVResult: n = (Uint) *++t; ++t; - erts_printf("PushVResult\t%bpu\n", n); + erts_printf("PushVResult\t%beu\n", n); break; case matchTrue: ++t; @@ -5367,8 +5367,8 @@ void db_match_dis(Binary *bp) } erts_printf("}\n"); erts_printf("num_bindings: %d\n", prog->num_bindings); - erts_printf("heap_size: %bpu\n", prog->heap_size); - erts_printf("stack_offset: %bpu\n", prog->stack_offset); + erts_printf("heap_size: %beu\n", prog->heap_size); + erts_printf("stack_offset: %beu\n", prog->stack_offset); erts_printf("text: 0x%08x\n", (unsigned long) prog->text); erts_printf("stack_size: %d (words)\n", prog->heap_size-prog->stack_offset); diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index 13a73e01bb..401967a8de 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2010. All Rights Reserved. + * Copyright Ericsson AB 1999-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -282,7 +282,7 @@ typedef struct erl_drv_entry { the port */ void (*ready_input)(ErlDrvData drv_data, ErlDrvEvent event); /* called when we have input from one of - the driver's handles) */ + the driver's handles */ void (*ready_output)(ErlDrvData drv_data, ErlDrvEvent event); /* called when output is possible to one of the driver's handles */ @@ -294,7 +294,7 @@ typedef struct erl_drv_entry { int (*control)(ErlDrvData drv_data, unsigned int command, char *buf, int len, char **rbuf, int rlen); /* "ioctl" for drivers - invoked by - port_control/3) */ + port_control/3 */ void (*timeout)(ErlDrvData drv_data); /* Handling of timeout in driver */ void (*outputv)(ErlDrvData drv_data, ErlIOVec *ev); /* called when we have output from erlang @@ -307,7 +307,7 @@ typedef struct erl_drv_entry { before 'stop' can be called */ int (*call)(ErlDrvData drv_data, unsigned int command, char *buf, int len, char **rbuf, int rlen, unsigned int *flags); - /* Works mostly like 'control', a syncronous + /* Works mostly like 'control', a synchronous call into the driver. */ void (*event)(ErlDrvData drv_data, ErlDrvEvent event, ErlDrvEventData event_data); diff --git a/erts/emulator/beam/erl_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c index 39bbe9633b..dc578f6d2a 100644 --- a/erts/emulator/beam/erl_drv_thread.c +++ b/erts/emulator/beam/erl_drv_thread.c @@ -700,6 +700,13 @@ erl_drv_thread_join(ErlDrvTid tid, void **respp) extern int erts_darwin_main_thread_pipe[2]; extern int erts_darwin_main_thread_result_pipe[2]; +int erl_drv_stolen_main_thread_join(ErlDrvTid tid, void **respp); +int erl_drv_steal_main_thread(char *name, + ErlDrvTid *dtid, + void* (*func)(void*), + void* arg, + ErlDrvThreadOpts *opts); + int erl_drv_stolen_main_thread_join(ErlDrvTid tid, void **respp) diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index d9150d86fe..5edcd667e7 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -215,7 +215,7 @@ erts_next_heap_size(Uint size, Uint offset) low = mid + 1; } } - erl_exit(1, "no next heap size found: %d, offset %d\n", size, offset); + erl_exit(1, "no next heap size found: %lu, offset %lu\n", (unsigned long)size, (unsigned long)offset); } return 0; } @@ -455,7 +455,6 @@ erts_garbage_collect_hibernate(Process* p) Eterm* heap; Eterm* htop; Rootset rootset; - int n; char* src; Uint src_size; Uint actual_size; @@ -486,7 +485,7 @@ erts_garbage_collect_hibernate(Process* p) sizeof(Eterm)*heap_size); htop = heap; - n = setup_rootset(p, p->arg_reg, p->arity, &rootset); + (void) setup_rootset(p, p->arg_reg, p->arity, &rootset); #if HIPE hipe_empty_nstack(p); #endif diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index 9e18997890..9180508a49 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -240,7 +240,7 @@ typedef struct erts_lc_locked_lock_t_ erts_lc_locked_lock_t; struct erts_lc_locked_lock_t_ { erts_lc_locked_lock_t *next; erts_lc_locked_lock_t *prev; - Eterm extra; + UWord extra; Sint16 id; Uint16 flags; }; @@ -441,12 +441,12 @@ new_locked_lock(erts_lc_lock_t *lck, Uint16 op_flags) } static void -print_lock2(char *prefix, Sint16 id, Eterm extra, Uint16 flags, char *suffix) +print_lock2(char *prefix, Sint16 id, Wterm extra, Uint16 flags, char *suffix) { char *lname = (0 <= id && id < ERTS_LOCK_ORDER_SIZE ? erts_lock_order[id].name : "unknown"); - if (is_boxed(extra)) + if (is_not_immed(extra)) erts_fprintf(stderr, "%s'%s:%p%s'%s%s", prefix, @@ -1260,7 +1260,8 @@ erts_lc_init_lock(erts_lc_lock_t *lck, char *name, Uint16 flags) { lck->id = erts_lc_get_lock_order_id(name); - lck->extra = make_boxed(&lck->extra); + lck->extra = &lck->extra; + ASSERT(is_not_immed(lck->extra)); lck->flags = flags; lck->inited = ERTS_LC_INITITALIZED; } @@ -1270,6 +1271,7 @@ erts_lc_init_lock_x(erts_lc_lock_t *lck, char *name, Uint16 flags, Eterm extra) { lck->id = erts_lc_get_lock_order_id(name); lck->extra = extra; + ASSERT(is_immed(lck->extra)); lck->flags = flags; lck->inited = ERTS_LC_INITITALIZED; } diff --git a/erts/emulator/beam/erl_lock_check.h b/erts/emulator/beam/erl_lock_check.h index cdb06d4458..b67f36fa06 100644 --- a/erts/emulator/beam/erl_lock_check.h +++ b/erts/emulator/beam/erl_lock_check.h @@ -39,7 +39,7 @@ typedef struct { int inited; Sint16 id; Uint16 flags; - Eterm extra; + UWord extra; } erts_lc_lock_t; #define ERTS_LC_INITITALIZED 0x7f7f7f7f diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 135c6b0ccc..68421b4387 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -430,6 +430,11 @@ int enif_is_list(ErlNifEnv* env, ERL_NIF_TERM term) return is_list(term) || is_nil(term); } +int enif_is_exception(ErlNifEnv* env, ERL_NIF_TERM term) +{ + return term == THE_NON_VALUE; +} + static void aligned_binary_dtor(struct enif_tmp_obj_t* obj) { erts_free_aligned_binary_bytes_extra((byte*)obj,ERTS_ALC_T_TMP); @@ -467,7 +472,7 @@ static void tmp_alloc_dtor(struct enif_tmp_obj_t* obj) int enif_inspect_iolist_as_binary(ErlNifEnv* env, Eterm term, ErlNifBinary* bin) { struct enif_tmp_obj_t* tobj; - int sz; + Uint sz; if (is_binary(term)) { return enif_inspect_binary(env,term,bin); } @@ -478,7 +483,7 @@ int enif_inspect_iolist_as_binary(ErlNifEnv* env, Eterm term, ErlNifBinary* bin) bin->ref_bin = NULL; return 1; } - if ((sz = io_list_len(term)) < 0) { + if (erts_iolist_size(term, &sz)) { return 0; } diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index 8050b3640a..d028567faf 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -31,9 +31,10 @@ ** 1.0: R13B04 ** 2.0: R14A ** 2.1: R14B02 "vm_variant" +** 2.2: R14B03 enif_is_exception */ #define ERL_NIF_MAJOR_VERSION 2 -#define ERL_NIF_MINOR_VERSION 1 +#define ERL_NIF_MINOR_VERSION 2 #include <stdlib.h> diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index eca506593d..c991b61abe 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2009-2010. All Rights Reserved. + * Copyright Ericsson AB 2009-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -21,6 +21,13 @@ # error This file should not be included directly #endif +/* +** WARNING: add new ERL_NIF_API_FUNC_DECL entries at the bottom of the list +** to keep compatibility on Windows!!! +** +** And don't forget to increase ERL_NIF_MINOR_VERSION in erl_nif.h +** when adding functions to the API. +*/ #ifdef ERL_NIF_API_FUNC_DECL ERL_NIF_API_FUNC_DECL(void*,enif_priv_data,(ErlNifEnv*)); ERL_NIF_API_FUNC_DECL(void*,enif_alloc,(size_t size)); @@ -128,12 +135,17 @@ ERL_NIF_API_FUNC_DECL(int,enif_get_uint64,(ErlNifEnv*, ERL_NIF_TERM term, ErlNif ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_int64,(ErlNifEnv*, ErlNifSInt64)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_uint64,(ErlNifEnv*, ErlNifUInt64)); #endif +ERL_NIF_API_FUNC_DECL(int,enif_is_exception,(ErlNifEnv*, ERL_NIF_TERM term)); /* -** Add last to keep compatibility on Windows!!! +** Add new entries here to keep compatibility on Windows!!! */ #endif +/* +** Please keep the ERL_NIF_API_FUNC_MACRO list below in the same order +** as the ERL_NIF_API_FUNC_DECL list above +*/ #ifdef ERL_NIF_API_FUNC_MACRO # define enif_priv_data ERL_NIF_API_FUNC_MACRO(enif_priv_data) # define enif_alloc ERL_NIF_API_FUNC_MACRO(enif_alloc) @@ -243,6 +255,11 @@ ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_uint64,(ErlNifEnv*, ErlNifUInt64)); # define enif_make_uint64 ERL_NIF_API_FUNC_MACRO(enif_make_uint64) #endif +# define enif_is_exception ERL_NIF_API_FUNC_MACRO(enif_is_exception) + +/* +** Add new entries here +*/ #endif #ifndef enif_make_list1 diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index 1b07024ca1..e6b55c45e4 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2006-2010. All Rights Reserved. + * Copyright Ericsson AB 2006-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -658,8 +658,6 @@ erts_port_task_free_port(Port *pp) when scheduled out... */ ErtsPortTask *ptp = port_task_alloc(); erts_smp_port_state_lock(pp); - ASSERT(erts_smp_atomic_read(&erts_ports_alive) > 0); - erts_smp_atomic_dec(&erts_ports_alive); pp->status &= ~ERTS_PORT_SFLG_CLOSING; pp->status |= ERTS_PORT_SFLG_FREE_SCHEDULED; erts_may_save_closed_port(pp); @@ -681,7 +679,6 @@ erts_port_task_free_port(Port *pp) port_is_dequeued = 1; } erts_smp_port_state_lock(pp); - erts_smp_atomic_dec(&erts_ports_alive); pp->status &= ~ERTS_PORT_SFLG_CLOSING; pp->status |= ERTS_PORT_SFLG_FREE_SCHEDULED; erts_may_save_closed_port(pp); diff --git a/erts/emulator/beam/erl_printf_term.c b/erts/emulator/beam/erl_printf_term.c index d9f132f067..34da9cab84 100644 --- a/erts/emulator/beam/erl_printf_term.c +++ b/erts/emulator/beam/erl_printf_term.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2005-2010. All Rights Reserved. + * Copyright Ericsson AB 2005-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -114,13 +114,13 @@ do { \ /* return 0 if list is not a non-empty flat list of printable characters */ static int -is_printable_string(Eterm list) +is_printable_string(Eterm list, Eterm* base) { int len = 0; int c; while(is_list(list)) { - Eterm* consp = list_val(list); + Eterm* consp = list_val_rel(list, base); Eterm hd = CAR(consp); if (!is_byte(hd)) @@ -216,240 +216,289 @@ static int print_atom_name(fmtfn_t fn, void* arg, Eterm atom, long *dcount) } +#define PRT_BAR ((Eterm) 0) +#define PRT_COMMA ((Eterm) 1) +#define PRT_CLOSE_LIST ((Eterm) 2) +#define PRT_CLOSE_TUPLE ((Eterm) 3) +#define PRT_TERM ((Eterm) 4) +#define PRT_ONE_CONS ((Eterm) 5) +#define PRT_PATCH_FUN_SIZE ((Eterm) 6) +#define PRT_LAST_ARRAY_ELEMENT ((Eterm) 7) /* Note! Must be last... */ static int -print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount) +print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount, + Eterm* obj_base) /* ignored if !HALFWORD_HEAP */ { + DECLARE_WSTACK(s); int res; int i; + Eterm val; Uint32 *ref_num; + union { + UWord word; + Eterm* ptr; + }popped; Eterm* nobj; + Wterm wobj; res = 0; - if ((*dcount)-- <= 0) - return res; + goto L_jump_start; + + L_outer_loop: + while (!WSTACK_ISEMPTY(s)) { + switch (val = WSTACK_POP(s)) { + case PRT_COMMA: + PRINT_CHAR(res, fn, arg, ','); + goto L_outer_loop; + case PRT_BAR: + PRINT_CHAR(res, fn, arg, '|'); + goto L_outer_loop; + case PRT_CLOSE_LIST: + PRINT_CHAR(res, fn, arg, ']'); + goto L_outer_loop; + case PRT_CLOSE_TUPLE: + PRINT_CHAR(res, fn, arg, '}'); + goto L_outer_loop; + default: + popped.word = WSTACK_POP(s); -#ifdef HYBRID___NOT_ACTIVE - /* Color coded output based on memory location */ - if(ptr_val(obj) >= global_heap && ptr_val(obj) < global_hend) - PRINT_STRING(res, fn, arg, "\033[32m"); -#ifdef INCREMENTAL - else if(ptr_val(obj) >= inc_fromspc && ptr_val(obj) < inc_fromend) - PRINT_STRING(res, fn, arg, "\033[33m"); -#endif - else if(IS_CONST(obj)) - PRINT_STRING(res, fn, arg, "\033[34m"); - else - PRINT_STRING(res, fn, arg, "\033[31m"); -#endif + switch (val) { + case PRT_TERM: + obj = (Eterm) popped.word; + break; + case PRT_ONE_CONS: + obj = (Eterm) popped.word; + L_print_one_cons: + { + Eterm* cons = list_val_rel(obj, obj_base); + Eterm tl; + + obj = CAR(cons); + tl = CDR(cons); + if (is_not_nil(tl)) { + if (is_list(tl)) { + WSTACK_PUSH(s, tl); + WSTACK_PUSH(s, PRT_ONE_CONS); + WSTACK_PUSH(s, PRT_COMMA); + } else { + WSTACK_PUSH(s, tl); + WSTACK_PUSH(s, PRT_TERM); + WSTACK_PUSH(s, PRT_BAR); + } + } + } + break; + case PRT_LAST_ARRAY_ELEMENT: + obj = *popped.ptr; + break; + default: /* PRT_LAST_ARRAY_ELEMENT+1 and upwards */ + obj = *popped.ptr; + WSTACK_PUSH(s, (UWord) (popped.ptr + 1)); + WSTACK_PUSH(s, val-1); + WSTACK_PUSH(s, PRT_COMMA); + break; + } + break; + } - if (is_CP(obj)) { - PRINT_STRING(res, fn, arg, "<cp/header:"); - PRINT_POINTER(res, fn, arg, cp_val(obj)); - PRINT_CHAR(res, fn, arg, '>'); - return res; - } + L_jump_start: - switch (tag_val_def(obj)) { - case NIL_DEF: - PRINT_STRING(res, fn, arg, "[]"); - break; - case ATOM_DEF: { - int tres = print_atom_name(fn, arg, obj, dcount); - if (tres < 0) - return tres; - res += tres; - if (*dcount <= 0) - return res; - break; - } - case SMALL_DEF: - PRINT_SLONG(res, fn, arg, 'd', 0, 1, (signed long) signed_val(obj)); - break; - case BIG_DEF: { - int print_res; - char def_buf[64]; - char *buf, *big_str; - Uint sz = (Uint) big_decimal_estimate(obj); - sz++; - if (sz <= 64) - buf = &def_buf[0]; - else - buf = erts_alloc(ERTS_ALC_T_TMP, sz); - big_str = erts_big_to_string(obj, buf, sz); - print_res = erts_printf_string(fn, arg, big_str); - if (buf != &def_buf[0]) - erts_free(ERTS_ALC_T_TMP, (void *) buf); - if (print_res < 0) - return print_res; - res += print_res; - break; - } - case REF_DEF: - case EXTERNAL_REF_DEF: - PRINT_STRING(res, fn, arg, "#Ref<"); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) ref_channel_no(obj)); - ref_num = ref_numbers(obj); - for (i = ref_no_of_numbers(obj)-1; i >= 0; i--) { - PRINT_CHAR(res, fn, arg, '.'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, (unsigned long) ref_num[i]); + if ((*dcount)-- <= 0) + goto L_done; + + if (is_CP(obj)) { + PRINT_STRING(res, fn, arg, "<cp/header:"); + PRINT_POINTER(res, fn, arg, cp_val(obj)); + PRINT_CHAR(res, fn, arg, '>'); + goto L_done; } - PRINT_CHAR(res, fn, arg, '>'); - break; - case PID_DEF: - case EXTERNAL_PID_DEF: - PRINT_CHAR(res, fn, arg, '<'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) pid_channel_no(obj)); - PRINT_CHAR(res, fn, arg, '.'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) pid_number(obj)); - PRINT_CHAR(res, fn, arg, '.'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) pid_serial(obj)); - PRINT_CHAR(res, fn, arg, '>'); - break; - case PORT_DEF: - case EXTERNAL_PORT_DEF: - PRINT_STRING(res, fn, arg, "#Port<"); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) port_channel_no(obj)); - PRINT_CHAR(res, fn, arg, '.'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) port_number(obj)); - PRINT_CHAR(res, fn, arg, '>'); - break; - case LIST_DEF: - if (is_printable_string(obj)) { - int c; - PRINT_CHAR(res, fn, arg, '"'); - nobj = list_val(obj); - while (1) { - if ((*dcount)-- <= 0) - return res; - c = signed_val(*nobj++); - if (c == '\n') - PRINT_STRING(res, fn, arg, "\\n"); - else { - if (c == '"') - PRINT_CHAR(res, fn, arg, '\\'); - PRINT_CHAR(res, fn, arg, (char) c); - } - if (is_not_list(*nobj)) - break; - nobj = list_val(*nobj); - } - PRINT_CHAR(res, fn, arg, '"'); - } else { - PRINT_CHAR(res, fn, arg, '['); - nobj = list_val(obj); - while (1) { - int tres = print_term(fn, arg, *nobj++, dcount); - if (tres < 0) - return tres; - res += tres; - if (*dcount <= 0) - return res; - if (is_not_list(*nobj)) - break; - PRINT_CHAR(res, fn, arg, ','); - nobj = list_val(*nobj); - } - if (is_not_nil(*nobj)) { - int tres; - PRINT_CHAR(res, fn, arg, '|'); - tres = print_term(fn, arg, *nobj, dcount); - if (tres < 0) - return tres; - res += tres; - if (*dcount <= 0) - return res; +#if HALFWORD_HEAP + wobj = is_immed(obj) ? (Wterm)obj : rterm2wterm(obj, obj_base); +#else + wobj = (Wterm)obj; +#endif + switch (tag_val_def(wobj)) { + case NIL_DEF: + PRINT_STRING(res, fn, arg, "[]"); + break; + case ATOM_DEF: { + int tres = print_atom_name(fn, arg, obj, dcount); + if (tres < 0) { + res = tres; + goto L_done; } - PRINT_CHAR(res, fn, arg, ']'); - } - break; - case TUPLE_DEF: - nobj = tuple_val(obj); /* pointer to arity */ - i = arityval(*nobj); /* arity */ - PRINT_CHAR(res, fn, arg, '{'); - while (i--) { - int tres = print_term(fn, arg, *++nobj, dcount); - if (tres < 0) - return tres; res += tres; if (*dcount <= 0) - return res; - if (i >= 1) - PRINT_CHAR(res, fn, arg, ','); - } - PRINT_CHAR(res, fn, arg, '}'); - break; - case FLOAT_DEF: { - FloatDef ff; - GET_DOUBLE(obj, ff); - PRINT_DOUBLE(res, fn, arg, 'e', 6, 0, ff.fd); + goto L_done; + break; } - break; - case BINARY_DEF: - { - ProcBin* pb = (ProcBin *) binary_val(obj); - if (pb->size == 1) - PRINT_STRING(res, fn, arg, "<<1 byte>>"); - else { - PRINT_STRING(res, fn, arg, "<<"); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, (unsigned long) pb->size); - PRINT_STRING(res, fn, arg, " bytes>>"); + case SMALL_DEF: + PRINT_SLONG(res, fn, arg, 'd', 0, 1, (signed long) signed_val(obj)); + break; + case BIG_DEF: { + int print_res; + char def_buf[64]; + char *buf, *big_str; + Uint sz = (Uint) big_decimal_estimate(wobj); + sz++; + if (sz <= 64) + buf = &def_buf[0]; + else + buf = erts_alloc(ERTS_ALC_T_TMP, sz); + big_str = erts_big_to_string(wobj, buf, sz); + print_res = erts_printf_string(fn, arg, big_str); + if (buf != &def_buf[0]) + erts_free(ERTS_ALC_T_TMP, (void *) buf); + if (print_res < 0) { + res = print_res; + goto L_done; } + res += print_res; + break; } - break; - case EXPORT_DEF: - { - Export* ep = *((Export **) (export_val(obj) + 1)); - Atom* module = atom_tab(atom_val(ep->code[0])); - Atom* name = atom_tab(atom_val(ep->code[1])); - - PRINT_STRING(res, fn, arg, "#Fun<"); - PRINT_BUF(res, fn, arg, module->name, module->len); + case REF_DEF: + case EXTERNAL_REF_DEF: + PRINT_STRING(res, fn, arg, "#Ref<"); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) ref_channel_no(wobj)); + ref_num = ref_numbers(wobj); + for (i = ref_no_of_numbers(wobj)-1; i >= 0; i--) { + PRINT_CHAR(res, fn, arg, '.'); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, (unsigned long) ref_num[i]); + } + PRINT_CHAR(res, fn, arg, '>'); + break; + case PID_DEF: + case EXTERNAL_PID_DEF: + PRINT_CHAR(res, fn, arg, '<'); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) pid_channel_no(wobj)); PRINT_CHAR(res, fn, arg, '.'); - PRINT_BUF(res, fn, arg, name->name, name->len); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) pid_number(wobj)); PRINT_CHAR(res, fn, arg, '.'); - PRINT_SLONG(res, fn, arg, 'd', 0, 1, - (signed long) ep->code[2]); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) pid_serial(wobj)); PRINT_CHAR(res, fn, arg, '>'); - } - break; - case FUN_DEF: - { - ErlFunThing *funp = (ErlFunThing *) fun_val(obj); - Atom *ap = atom_tab(atom_val(funp->fe->module)); - - PRINT_STRING(res, fn, arg, "#Fun<"); - PRINT_BUF(res, fn, arg, ap->name, ap->len); - PRINT_CHAR(res, fn, arg, '.'); - PRINT_SLONG(res, fn, arg, 'd', 0, 1, - (signed long) funp->fe->old_index); + break; + case PORT_DEF: + case EXTERNAL_PORT_DEF: + PRINT_STRING(res, fn, arg, "#Port<"); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) port_channel_no(wobj)); PRINT_CHAR(res, fn, arg, '.'); - PRINT_SLONG(res, fn, arg, 'd', 0, 1, - (signed long) funp->fe->old_uniq); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) port_number(wobj)); + PRINT_CHAR(res, fn, arg, '>'); + break; + case LIST_DEF: + if (is_printable_string(obj, obj_base)) { + int c; + PRINT_CHAR(res, fn, arg, '"'); + nobj = list_val_rel(obj, obj_base); + while (1) { + if ((*dcount)-- <= 0) + goto L_done; + c = signed_val(*nobj++); + if (c == '\n') + PRINT_STRING(res, fn, arg, "\\n"); + else { + if (c == '"') + PRINT_CHAR(res, fn, arg, '\\'); + PRINT_CHAR(res, fn, arg, (char) c); + } + if (is_not_list(*nobj)) + break; + nobj = list_val_rel(*nobj, obj_base); + } + PRINT_CHAR(res, fn, arg, '"'); + } else { + PRINT_CHAR(res, fn, arg, '['); + WSTACK_PUSH(s,PRT_CLOSE_LIST); + goto L_print_one_cons; + } + break; + case TUPLE_DEF: + nobj = tuple_val(wobj); /* pointer to arity */ + i = arityval(*nobj); /* arity */ + PRINT_CHAR(res, fn, arg, '{'); + WSTACK_PUSH(s,PRT_CLOSE_TUPLE); + ++nobj; + if (i > 0) { + WSTACK_PUSH(s, (UWord) nobj); + WSTACK_PUSH(s, PRT_LAST_ARRAY_ELEMENT+i-1); + } + break; + case FLOAT_DEF: { + FloatDef ff; + GET_DOUBLE(wobj, ff); + PRINT_DOUBLE(res, fn, arg, 'e', 6, 0, ff.fd); + } + break; + case BINARY_DEF: + { + ProcBin* pb = (ProcBin *) binary_val(wobj); + if (pb->size == 1) + PRINT_STRING(res, fn, arg, "<<1 byte>>"); + else { + PRINT_STRING(res, fn, arg, "<<"); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, (unsigned long) pb->size); + PRINT_STRING(res, fn, arg, " bytes>>"); + } + } + break; + case EXPORT_DEF: + { + Export* ep = *((Export **) (export_val(wobj) + 1)); + Atom* module = atom_tab(atom_val(ep->code[0])); + Atom* name = atom_tab(atom_val(ep->code[1])); + + PRINT_STRING(res, fn, arg, "#Fun<"); + PRINT_BUF(res, fn, arg, module->name, module->len); + PRINT_CHAR(res, fn, arg, '.'); + PRINT_BUF(res, fn, arg, name->name, name->len); + PRINT_CHAR(res, fn, arg, '.'); + PRINT_SLONG(res, fn, arg, 'd', 0, 1, + (signed long) ep->code[2]); + PRINT_CHAR(res, fn, arg, '>'); + } + break; + case FUN_DEF: + { + ErlFunThing *funp = (ErlFunThing *) fun_val(wobj); + Atom *ap = atom_tab(atom_val(funp->fe->module)); + + PRINT_STRING(res, fn, arg, "#Fun<"); + PRINT_BUF(res, fn, arg, ap->name, ap->len); + PRINT_CHAR(res, fn, arg, '.'); + PRINT_SLONG(res, fn, arg, 'd', 0, 1, + (signed long) funp->fe->old_index); + PRINT_CHAR(res, fn, arg, '.'); + PRINT_SLONG(res, fn, arg, 'd', 0, 1, + (signed long) funp->fe->old_uniq); + PRINT_CHAR(res, fn, arg, '>'); + } + break; + default: + PRINT_STRING(res, fn, arg, "<unknown:"); + PRINT_POINTER(res, fn, arg, wobj); PRINT_CHAR(res, fn, arg, '>'); + break; } - break; - default: - PRINT_STRING(res, fn, arg, "<unknown:"); - PRINT_POINTER(res, fn, arg, (UWord) obj); - PRINT_CHAR(res, fn, arg, '>'); - break; } + L_done: + + DESTROY_WSTACK(s); return res; } int -erts_printf_term(fmtfn_t fn, void* arg, unsigned long term, long precision) +erts_printf_term(fmtfn_t fn, void* arg, unsigned long term, long precision, + unsigned long* term_base) { - int res = print_term(fn, arg, (Uint) term, &precision); + int res = print_term(fn, arg, (Eterm)term, &precision, (Eterm*)term_base); if (res < 0) return res; if (precision <= 0) diff --git a/erts/emulator/beam/erl_printf_term.h b/erts/emulator/beam/erl_printf_term.h index 4f76028396..a48a3de34c 100644 --- a/erts/emulator/beam/erl_printf_term.h +++ b/erts/emulator/beam/erl_printf_term.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2005-2009. All Rights Reserved. + * Copyright Ericsson AB 2005-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -21,6 +21,6 @@ #define ERL_PRINTF_TERM_H__ #include "erl_printf_format.h" -int erts_printf_term(fmtfn_t fn, void* arg, unsigned long term, long precision); - +int erts_printf_term(fmtfn_t fn, void* arg, unsigned long term, long precision, + unsigned long* term_base); #endif diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 21625921d5..2704359a8f 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -166,9 +166,8 @@ static struct { static struct { erts_smp_mtx_t update_mtx; - erts_smp_atomic32_t active_runqs; + erts_smp_atomic32_t no_runqs; int last_active_runqs; - erts_smp_atomic32_t used_runqs; int forced_check_balance; erts_smp_atomic32_t checking_balance; int halftime; @@ -965,7 +964,7 @@ sched_spin_wait(ErtsSchedulerSleepInfo *ssi, int spincount) erts_aint32_t flgs; do { - flgs = erts_smp_atomic32_read(&ssi->flags); + flgs = erts_smp_atomic32_read_acqb(&ssi->flags); if ((flgs & (ERTS_SSI_FLG_SLEEPING|ERTS_SSI_FLG_WAITING)) != (ERTS_SSI_FLG_SLEEPING|ERTS_SSI_FLG_WAITING)) { break; @@ -1114,7 +1113,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) else { erts_aint_t dt; - erts_smp_atomic32_set(&function_calls, 0); + erts_smp_atomic32_set_relb(&function_calls, 0); *fcalls = 0; sched_waiting_sys(esdp->no, rq); @@ -1147,7 +1146,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) nonblockable_aux_work(esdp, ssi, aux_work); #endif - flgs = erts_smp_atomic32_read(&ssi->flags); + flgs = erts_smp_atomic32_read_acqb(&ssi->flags); if (!(flgs & ERTS_SSI_FLG_WAITING)) { ASSERT(!(flgs & ERTS_SSI_FLG_SLEEPING)); goto sys_woken; @@ -1267,7 +1266,6 @@ ssi_flags_set_wake(ErtsSchedulerSleepInfo *ssi) static void wake_scheduler(ErtsRunQueue *rq, int incq, int one) { - int res; ErtsSchedulerSleepInfo *ssi; ErtsSchedulerSleepList *sl; @@ -1298,7 +1296,6 @@ wake_scheduler(ErtsRunQueue *rq, int incq, int one) if (ssi->next) ssi->next->prev = ssi->prev; - res = sl->list != NULL; erts_smp_spin_unlock(&sl->lock); ERTS_THR_MEMORY_BARRIER; @@ -1335,6 +1332,76 @@ wake_all_schedulers(void) } } +#define ERTS_NO_USED_RUNQS_SHIFT 16 +#define ERTS_NO_RUNQS_MASK 0xffff + +#if ERTS_MAX_NO_OF_SCHEDULERS > ERTS_NO_RUNQS_MASK +# error "Too large amount of schedulers allowed" +#endif + +static ERTS_INLINE void +init_no_runqs(int active, int used) +{ + erts_aint32_t no_runqs = (erts_aint32_t) (active & ERTS_NO_RUNQS_MASK); + no_runqs |= (erts_aint32_t) ((used & ERTS_NO_RUNQS_MASK) << ERTS_NO_USED_RUNQS_SHIFT); + erts_smp_atomic32_init(&balance_info.no_runqs, no_runqs); +} + +static ERTS_INLINE void +get_no_runqs(int *active, int *used) +{ + erts_aint32_t no_runqs = erts_smp_atomic32_read(&balance_info.no_runqs); + if (active) + *active = (int) (no_runqs & ERTS_NO_RUNQS_MASK); + if (used) + *used = (int) ((no_runqs >> ERTS_NO_USED_RUNQS_SHIFT) & ERTS_NO_RUNQS_MASK); +} + +static ERTS_INLINE void +set_no_used_runqs(int used) +{ + erts_aint32_t exp = erts_smp_atomic32_read(&balance_info.no_runqs); + while (1) { + erts_aint32_t act, new; + new = (used << ERTS_NO_USED_RUNQS_SHIFT) | (exp & ERTS_NO_RUNQS_MASK); + act = erts_smp_atomic32_cmpxchg(&balance_info.no_runqs, new, exp); + if (act == exp) + break; + exp = act; + } +} + +static ERTS_INLINE void +set_no_active_runqs(int active) +{ + erts_aint32_t exp = erts_smp_atomic32_read(&balance_info.no_runqs); + while (1) { + erts_aint32_t act, new; + new = (exp & (ERTS_NO_RUNQS_MASK << ERTS_NO_USED_RUNQS_SHIFT)) | active; + act = erts_smp_atomic32_cmpxchg(&balance_info.no_runqs, new, exp); + if (act == exp) + break; + exp = act; + } +} + +static ERTS_INLINE int +try_inc_no_active_runqs(int active) +{ + erts_aint32_t exp = erts_smp_atomic32_read(&balance_info.no_runqs); + if (((exp >> ERTS_NO_USED_RUNQS_SHIFT) & ERTS_NO_RUNQS_MASK) < active) + return 0; + if ((exp & ERTS_NO_RUNQS_MASK) + 1 == active) { + erts_aint32_t new, act; + new = (exp & ~ERTS_NO_RUNQS_MASK) | active; + act = erts_smp_atomic32_cmpxchg(&balance_info.no_runqs, new, exp); + if (act == exp) + return 1; + } + return 0; +} + + static ERTS_INLINE int chk_wake_sched(ErtsRunQueue *crq, int ix, int activate) { @@ -1346,9 +1413,7 @@ chk_wake_sched(ErtsRunQueue *crq, int ix, int activate) iflgs = erts_smp_atomic32_read(&wrq->info_flags); if (!(iflgs & (ERTS_RUNQ_IFLG_SUSPENDED|ERTS_RUNQ_IFLG_NONEMPTY))) { if (activate) { - if (ix == erts_smp_atomic32_cmpxchg(&balance_info.active_runqs, - ix+1, - ix)) { + if (try_inc_no_active_runqs(ix+1)) { erts_smp_xrunq_lock(crq, wrq); wrq->flags &= ~ERTS_RUNQ_FLG_INACTIVE; erts_smp_xrunq_unlock(crq, wrq); @@ -1365,8 +1430,9 @@ wake_scheduler_on_empty_runq(ErtsRunQueue *crq) { int ix = crq->ix; int stop_ix = ix; - int active_ix = erts_smp_atomic32_read(&balance_info.active_runqs); - int balance_ix = erts_smp_atomic32_read(&balance_info.used_runqs); + int active_ix, balance_ix; + + get_no_runqs(&active_ix, &balance_ix); if (active_ix > balance_ix) active_ix = balance_ix; @@ -1418,7 +1484,7 @@ erts_sched_notify_check_cpu_bind(void) int ix; if (erts_common_run_queue) { for (ix = 0; ix < erts_no_schedulers; ix++) - erts_smp_atomic32_set(&ERTS_SCHEDULER_IX(ix)->chk_cpu_bind, 1); + erts_smp_atomic32_set_relb(&ERTS_SCHEDULER_IX(ix)->chk_cpu_bind, 1); wake_all_schedulers(); } else { @@ -1873,8 +1939,7 @@ try_steal_task(ErtsRunQueue *rq) ERTS_SMP_LC_CHK_RUNQ_LOCK(rq, rq_locked); - active_rqs = erts_smp_atomic32_read(&balance_info.active_runqs); - blnc_rqs = erts_smp_atomic32_read(&balance_info.used_runqs); + get_no_runqs(&active_rqs, &blnc_rqs); if (active_rqs > blnc_rqs) active_rqs = blnc_rqs; @@ -1885,7 +1950,7 @@ try_steal_task(ErtsRunQueue *rq) if (active_rqs < blnc_rqs) { int no = blnc_rqs - active_rqs; int stop_ix = vix = active_rqs + rq->ix % no; - while (erts_smp_atomic32_read(&no_empty_run_queues) < blnc_rqs) { + while (erts_smp_atomic32_read_acqb(&no_empty_run_queues) < blnc_rqs) { res = check_possible_steal_victim(rq, &rq_locked, vix); if (res) goto done; @@ -1900,7 +1965,7 @@ try_steal_task(ErtsRunQueue *rq) vix = rq->ix; /* ... then try to steal a job from another active queue... */ - while (erts_smp_atomic32_read(&no_empty_run_queues) < blnc_rqs) { + while (erts_smp_atomic32_read_acqb(&no_empty_run_queues) < blnc_rqs) { vix++; if (vix >= active_rqs) vix = 0; @@ -2001,7 +2066,7 @@ check_balance(ErtsRunQueue *c_rq) return; } - blnc_no_rqs = (int) erts_smp_atomic32_read(&balance_info.used_runqs); + get_no_runqs(NULL, &blnc_no_rqs); if (blnc_no_rqs == 1) { c_rq->check_balance_reds = INT_MAX; erts_smp_atomic32_set(&balance_info.checking_balance, 0); @@ -2040,7 +2105,8 @@ check_balance(ErtsRunQueue *c_rq) forced = balance_info.forced_check_balance; balance_info.forced_check_balance = 0; - blnc_no_rqs = (int) erts_smp_atomic32_read(&balance_info.used_runqs); + get_no_runqs(¤t_active, &blnc_no_rqs); + if (blnc_no_rqs == 1) { erts_smp_mtx_unlock(&balance_info.update_mtx); erts_smp_runq_lock(c_rq); @@ -2054,8 +2120,6 @@ check_balance(ErtsRunQueue *c_rq) if (balance_info.full_reds_history_index >= ERTS_FULL_REDS_HISTORY_SIZE) balance_info.full_reds_history_index = 0; - current_active = erts_smp_atomic32_read(&balance_info.active_runqs); - /* Read balance information for all run queues */ for (qix = 0; qix < blnc_no_rqs; qix++) { ErtsRunQueue *rq = ERTS_RUNQ_IX(qix); @@ -2389,7 +2453,7 @@ erts_fprintf(stderr, "--------------------------------\n"); } balance_info.last_active_runqs = active; - erts_smp_atomic32_set(&balance_info.active_runqs, active); + set_no_active_runqs(active); balance_info.halftime = 1; erts_smp_atomic32_set(&balance_info.checking_balance, 0); @@ -2697,9 +2761,8 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) erts_smp_atomic32_init(&schdlr_sspnd.msb.ongoing, 0); erts_smp_atomic32_init(&schdlr_sspnd.active, no_schedulers); schdlr_sspnd.msb.procs = NULL; - erts_smp_atomic32_set(&balance_info.used_runqs, - erts_common_run_queue ? 1 : no_schedulers_online); - erts_smp_atomic32_init(&balance_info.active_runqs, no_schedulers); + init_no_runqs(no_schedulers, + erts_common_run_queue ? 1 : no_schedulers_online); balance_info.last_active_runqs = no_schedulers; erts_smp_mtx_init(&balance_info.update_mtx, "migration_info_update"); balance_info.forced_check_balance = 0; @@ -2941,7 +3004,7 @@ sched_spin_suspended(ErtsSchedulerSleepInfo *ssi, int spincount) erts_aint32_t flgs; do { - flgs = erts_smp_atomic32_read(&ssi->flags); + flgs = erts_smp_atomic32_read_acqb(&ssi->flags); if ((flgs & (ERTS_SSI_FLG_SLEEPING | ERTS_SSI_FLG_WAITING | ERTS_SSI_FLG_SUSPENDED)) @@ -3070,7 +3133,7 @@ suspend_scheduler(ErtsSchedulerData *esdp) wake = 0; } - flgs = erts_smp_atomic32_read(&ssi->flags); + flgs = erts_smp_atomic32_read_acqb(&ssi->flags); if (!(flgs & ERTS_SSI_FLG_SUSPENDED)) break; erts_smp_mtx_unlock(&schdlr_sspnd.mtx); @@ -3294,7 +3357,7 @@ erts_set_schedulers_online(Process *p, ErtsRunQueue *to_rq = ERTS_RUNQ_IX(ix % no); evacuate_run_queue(from_rq, to_rq); } - erts_smp_atomic32_set(&balance_info.used_runqs, no); + set_no_used_runqs(no); erts_smp_mtx_unlock(&balance_info.update_mtx); erts_smp_mtx_lock(&schdlr_sspnd.mtx); } @@ -3348,7 +3411,7 @@ erts_set_schedulers_online(Process *p, for (ix = erts_no_run_queues-1; ix >= no; ix--) evacuate_run_queue(ERTS_RUNQ_IX(ix), ERTS_RUNQ_IX(ix % no)); - erts_smp_atomic32_set(&balance_info.used_runqs, no); + set_no_used_runqs(no); erts_smp_mtx_unlock(&balance_info.update_mtx); erts_smp_mtx_lock(&schdlr_sspnd.mtx); for (ix = no; ix < online; ix++) { @@ -3445,7 +3508,7 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) else { erts_smp_mtx_unlock(&schdlr_sspnd.mtx); erts_smp_mtx_lock(&balance_info.update_mtx); - erts_smp_atomic32_set(&balance_info.used_runqs, 1); + set_no_used_runqs(1); for (ix = 0; ix < online; ix++) { ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); erts_smp_runq_lock(rq); @@ -3582,7 +3645,7 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) evacuate_run_queue(ERTS_RUNQ_IX(ix), ERTS_RUNQ_IX(ix % online)); - erts_smp_atomic32_set(&balance_info.used_runqs, online); + set_no_used_runqs(online); /* Make sure that we balance soon... */ balance_info.forced_check_balance = 1; erts_smp_runq_lock(ERTS_RUNQ_IX(0)); @@ -3667,7 +3730,7 @@ sched_thread_func(void *vesdp) #ifdef ERTS_ENABLE_LOCK_CHECK { char buf[31]; - erts_snprintf(&buf[0], 31, "scheduler %bpu", no); + erts_snprintf(&buf[0], 31, "scheduler %beu", no); erts_lc_set_thread_name(&buf[0]); } #endif @@ -3725,7 +3788,7 @@ sched_thread_func(void *vesdp) process_main(); /* No schedulers should *ever* terminate */ - erl_exit(ERTS_ABORT_EXIT, "Scheduler thread number %bpu terminated\n", + erl_exit(ERTS_ABORT_EXIT, "Scheduler thread number %beu terminated\n", ((ErtsSchedulerData *) vesdp)->no); return NULL; } @@ -3774,8 +3837,8 @@ erts_start_schedulers(void) erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf(); ASSERT(actual != wanted_no_schedulers); erts_dsprintf(dsbufp, - "Failed to create %bpu scheduler-threads (%s:%d); " - "only %bpu scheduler-thread%s created.\n", + "Failed to create %beu scheduler-threads (%s:%d); " + "only %beu scheduler-thread%s created.\n", wanted_no_schedulers, erl_errno_id(res), res, actual, actual == 1 ? " was" : "s were"); erts_send_error_to_logger_nogl(dsbufp); @@ -3889,21 +3952,9 @@ handle_pend_sync_suspend(Process *suspendee, } } -/* - * Like erts_pid2proc() but: - * - * * At least ERTS_PROC_LOCK_MAIN have to be held on c_p. - * * At least ERTS_PROC_LOCK_MAIN have to be taken on pid. - * * It also waits for proc to be in a state != running and garbing. - * * If ERTS_PROC_LOCK_BUSY is returned, the calling process has to - * yield (ERTS_BIF_YIELD[0-3]()). c_p might in this case have been - * suspended. - */ - - -Process * -erts_pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, - Eterm pid, ErtsProcLocks pid_locks) +static Process * +pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, + Eterm pid, ErtsProcLocks pid_locks, int suspend) { Process *rp; int unlock_c_p_status; @@ -3930,7 +3981,7 @@ erts_pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, c_p->suspendee = NIL; ASSERT(c_p->flags & F_P2PNR_RESCHED); c_p->flags &= ~F_P2PNR_RESCHED; - if (rp) + if (!suspend && rp) resume_process(rp); } else { @@ -3994,6 +4045,8 @@ erts_pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, } /* rp is not running and we got the locks we want... */ + if (suspend) + suspend_process(rp_rq, rp); } erts_smp_runqs_unlock(cp_rq, rp_rq); } @@ -4006,6 +4059,35 @@ erts_pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, return rp; } + +/* + * Like erts_pid2proc() but: + * + * * At least ERTS_PROC_LOCK_MAIN have to be held on c_p. + * * At least ERTS_PROC_LOCK_MAIN have to be taken on pid. + * * It also waits for proc to be in a state != running and garbing. + * * If ERTS_PROC_LOCK_BUSY is returned, the calling process has to + * yield (ERTS_BIF_YIELD[0-3]()). c_p might in this case have been + * suspended. + */ +Process * +erts_pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, + Eterm pid, ErtsProcLocks pid_locks) +{ + return pid2proc_not_running(c_p, c_p_locks, pid, pid_locks, 0); +} + +/* + * Like erts_pid2proc_not_running(), but hands over the process + * in a suspended state unless (c_p is looked up). + */ +Process * +erts_pid2proc_suspend(Process *c_p, ErtsProcLocks c_p_locks, + Eterm pid, ErtsProcLocks pid_locks) +{ + return pid2proc_not_running(c_p, c_p_locks, pid, pid_locks, 1); +} + /* * erts_pid2proc_nropt() is normally the same as * erts_pid2proc_not_running(). However it is only @@ -4119,6 +4201,21 @@ handle_pend_bif_async_suspend(Process *suspendee, } } +#else + +/* + * Non-smp version of erts_pid2proc_suspend(). + */ +Process * +erts_pid2proc_suspend(Process *c_p, ErtsProcLocks c_p_locks, + Eterm pid, ErtsProcLocks pid_locks) +{ + Process *rp = erts_pid2proc(c_p, c_p_locks, pid, pid_locks); + if (rp) + erts_suspend(rp, pid_locks, NULL); + return rp; +} + #endif /* ERTS_SMP */ /* @@ -4652,7 +4749,7 @@ internal_add_to_runq(ErtsRunQueue *runq, Process *p) if (p->status_flags & ERTS_PROC_SFLG_INRUNQ) return NULL; else if (p->runq_flags & ERTS_PROC_RUNQ_FLG_RUNNING) { - ASSERT(p->rcount == 0); + ASSERT(ERTS_PROC_IS_EXITING(p) || p->rcount == 0); ERTS_DBG_CHK_PROCS_RUNQ_NOPROC(runq, p); p->status_flags |= ERTS_PROC_SFLG_PENDADD2SCHEDQ; return NULL; @@ -4663,7 +4760,7 @@ internal_add_to_runq(ErtsRunQueue *runq, Process *p) ERTS_DBG_CHK_PROCS_RUNQ_NOPROC(runq, p); #ifndef ERTS_SMP /* Never schedule a suspended process (ok in smp case) */ - ASSERT(p->rcount == 0); + ASSERT(ERTS_PROC_IS_EXITING(p) || p->rcount == 0); add_runq = runq; #else ASSERT(!p->bound_runq || p->bound_runq == p->run_queue); @@ -5099,7 +5196,7 @@ Process *schedule(Process *p, int calls) esdp = erts_get_scheduler_data(); rq = erts_get_runq_current(esdp); ASSERT(esdp); - fcalls = (int) erts_smp_atomic32_read(&function_calls); + fcalls = (int) erts_smp_atomic32_read_acqb(&function_calls); actual_reds = reds = 0; erts_smp_runq_lock(rq); } else { @@ -5250,14 +5347,14 @@ Process *schedule(Process *p, int calls) | ERTS_RUNQ_FLG_CHK_CPU_BIND | ERTS_RUNQ_FLG_SUSPENDED)) { if ((rq->flags & ERTS_RUNQ_FLG_SUSPENDED) - || (erts_smp_atomic32_read(&esdp->ssi->flags) + || (erts_smp_atomic32_read_acqb(&esdp->ssi->flags) & ERTS_SSI_FLG_SUSPENDED)) { ASSERT(erts_smp_atomic32_read(&esdp->ssi->flags) & ERTS_SSI_FLG_SUSPENDED); suspend_scheduler(esdp); } if ((rq->flags & ERTS_RUNQ_FLG_CHK_CPU_BIND) - || erts_smp_atomic32_read(&esdp->chk_cpu_bind)) { + || erts_smp_atomic32_read_acqb(&esdp->chk_cpu_bind)) { erts_sched_check_cpu_bind(esdp); } } @@ -5308,7 +5405,7 @@ Process *schedule(Process *p, int calls) if (rq->flags & (ERTS_RUNQ_FLG_SHARED_RUNQ | ERTS_RUNQ_FLG_SUSPENDED)) { if ((rq->flags & ERTS_RUNQ_FLG_SUSPENDED) - || (erts_smp_atomic32_read(&esdp->ssi->flags) + || (erts_smp_atomic32_read_acqb(&esdp->ssi->flags) & ERTS_SSI_FLG_SUSPENDED)) { ASSERT(erts_smp_atomic32_read(&esdp->ssi->flags) & ERTS_SSI_FLG_SUSPENDED); @@ -5352,7 +5449,7 @@ Process *schedule(Process *p, int calls) * Schedule system-level activities. */ - erts_smp_atomic32_set(&function_calls, 0); + erts_smp_atomic32_set_relb(&function_calls, 0); fcalls = 0; ASSERT(!erts_port_task_have_outstanding_io_tasks()); @@ -5394,7 +5491,7 @@ Process *schedule(Process *p, int calls) if (erts_common_run_queue->waiting) wake_scheduler(erts_common_run_queue, 0, 1); } - else if (erts_smp_atomic32_read(&no_empty_run_queues) != 0) { + else if (erts_smp_atomic32_read_acqb(&no_empty_run_queues) != 0) { wake_scheduler_on_empty_runq(rq); rq->wakeup_other = 0; } @@ -7605,7 +7702,8 @@ continue_exit_process(Process *p static void timeout_proc(Process* p) { - p->i = *((BeamInstr **) (UWord) p->def_arg_reg); + BeamInstr** pi = (BeamInstr **) p->def_arg_reg; + p->i = *pi; p->flags |= F_TIMO; p->flags &= ~F_INSLPQUEUE; @@ -7716,7 +7814,7 @@ erts_program_counter_info(int to, void *to_arg, Process *p) * only cause problems. */ for (i = 0; i < p->arity; i++) - erts_print(to, to_arg, " %T\n", p->arg_reg[i]); + erts_print(to, to_arg, " %.*T\n", INT_MAX, p->arg_reg[i]); } } } diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 334ae5573f..296acc7367 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1535,6 +1535,10 @@ erts_get_atom_cache_map(Process *c_p) } #endif +Process *erts_pid2proc_suspend(Process *, + ErtsProcLocks, + Eterm, + ErtsProcLocks); #ifdef ERTS_SMP Process *erts_pid2proc_not_running(Process *, diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index 68fda01597..5410bcd495 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -194,7 +194,7 @@ dump_element(int to, void *to_arg, Eterm x) } else if (is_pid(x)) { erts_print(to, to_arg, "P%T", x); } else if (is_port(x)) { - erts_print(to, to_arg, "p<%bpu.%bpu>", + erts_print(to, to_arg, "p<%beu.%beu>", port_channel_no(x), port_number(x)); } else if (is_nil(x)) { erts_putc(to, to_arg, 'N'); @@ -376,7 +376,7 @@ heap_dump(int to, void *to_arg, Eterm x) erts_print(to, to_arg, "P%T\n", x); *ptr = OUR_NIL; } else if (is_external_port_header(hdr)) { - erts_print(to, to_arg, "p<%bpu.%bpu>\n", + erts_print(to, to_arg, "p<%beu.%beu>\n", port_channel_no(x), port_number(x)); *ptr = OUR_NIL; } else { diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index c0397ca6c3..8833137112 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -1538,8 +1538,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, Eterm tracee; #endif Eterm transformed_args[MAX_ARG]; - DeclareTmpHeap(sub_bin_heap_et,ERL_SUB_BIN_SIZE,p); - ErlSubBin *sub_bin_heap = (ErlSubBin *) sub_bin_heap_et; + DeclareTypedTmpHeap(ErlSubBin,sub_bin_heap,p); ASSERT(tracer_pid); if (*tracer_pid == am_true) { @@ -1600,21 +1599,20 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, if (is_boxed(arg) && header_is_bin_matchstate(*boxed_val(arg))) { ErlBinMatchState* ms = (ErlBinMatchState *) boxed_val(arg); ErlBinMatchBuffer* mb = &ms->mb; - ErlSubBin* sb = sub_bin_heap; Uint bit_size; ASSERT(sub_bin_heap->thing_word == 0); /* At most one of match context */ bit_size = mb->size - mb->offset; - sb->thing_word = HEADER_SUB_BIN; - sb->size = BYTE_OFFSET(bit_size); - sb->bitsize = BIT_OFFSET(bit_size); - sb->offs = BYTE_OFFSET(mb->offset); - sb->bitoffs = BIT_OFFSET(mb->offset); - sb->is_writable = 0; - sb->orig = mb->orig; - - arg = make_binary(sb); + sub_bin_heap->thing_word = HEADER_SUB_BIN; + sub_bin_heap->size = BYTE_OFFSET(bit_size); + sub_bin_heap->bitsize = BIT_OFFSET(bit_size); + sub_bin_heap->offs = BYTE_OFFSET(mb->offset); + sub_bin_heap->bitoffs = BIT_OFFSET(mb->offset); + sub_bin_heap->is_writable = 0; + sub_bin_heap->orig = mb->orig; + + arg = make_binary(sub_bin_heap); } transformed_args[i] = arg; } diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c index 545b345a71..158eb361a4 100644 --- a/erts/emulator/beam/erl_unicode.c +++ b/erts/emulator/beam/erl_unicode.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2008-2010. All Rights Reserved. + * Copyright Ericsson AB 2008-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -902,7 +902,6 @@ static BIF_RETTYPE build_utf8_return(Process *p,Eterm bin,int pos, static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3) { Eterm *real_bin; - Sint need; byte* bytes; Eterm rest_term; int left, sleft; @@ -918,7 +917,6 @@ static BIF_RETTYPE characters_to_utf8_trap(BIF_ALIST_3) ASSERT(is_binary(BIF_ARG_1)); real_bin = binary_val(BIF_ARG_1); ASSERT(*real_bin == HEADER_PROC_BIN); - need = ((ProcBin *) real_bin)->val->orig_size; pos = (int) binary_size(BIF_ARG_1); bytes = binary_bytes(BIF_ARG_1); sleft = left = allowed_iterations(BIF_P); diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 432bdd705b..499bdd77ba 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -183,7 +183,7 @@ struct port { process to get (line oriented I/O)*/ Uint32 status; /* Status and type flags */ int control_flags; /* Flags for port_control() */ - Uint32 snapshot; /* Next snapshot that port should be part of */ + erts_aint32_t snapshot; /* Next snapshot that port should be part of */ struct reg_proc *reg; ErlDrvPDL port_data_lock; @@ -527,11 +527,10 @@ union erl_off_heap_ptr { /* arrays that get malloced at startup */ extern Port* erts_port; -extern erts_smp_atomic_t erts_ports_alive; extern Uint erts_max_ports; extern Uint erts_port_tab_index_mask; -extern erts_smp_atomic_t erts_ports_snapshot; +extern erts_smp_atomic32_t erts_ports_snapshot; extern erts_smp_atomic_t erts_dead_ports_ptr; ERTS_GLB_INLINE void erts_may_save_closed_port(Port *prt); @@ -541,12 +540,12 @@ ERTS_GLB_INLINE void erts_may_save_closed_port(Port *prt); ERTS_GLB_INLINE void erts_may_save_closed_port(Port *prt) { ERTS_SMP_LC_ASSERT(erts_smp_lc_spinlock_is_locked(&prt->state_lck)); - if (prt->snapshot != erts_smp_atomic_read(&erts_ports_snapshot)) { + if (prt->snapshot != erts_smp_atomic32_read_acqb(&erts_ports_snapshot)) { /* Dead ports are added from the end of the snapshot buffer */ Eterm* tombstone = (Eterm*) erts_smp_atomic_addtest(&erts_dead_ports_ptr, -(erts_aint_t)sizeof(Eterm)); ASSERT(tombstone+1 != NULL); - ASSERT(prt->snapshot == (Uint32) erts_smp_atomic_read(&erts_ports_snapshot) - 1); + ASSERT(prt->snapshot == erts_smp_atomic32_read(&erts_ports_snapshot) - 1); *tombstone = prt->id; } /*else no ongoing snapshot or port was already included or created after snapshot */ @@ -1653,10 +1652,14 @@ struct Sint_buf { }; char* Sint_to_buf(Sint, struct Sint_buf*); +#define ERTS_IOLIST_OK 0 +#define ERTS_IOLIST_OVERFLOW 1 +#define ERTS_IOLIST_TYPE 2 + Eterm buf_to_intlist(Eterm**, char*, int, Eterm); /* most callers pass plain char*'s */ int io_list_to_buf(Eterm, char*, int); int io_list_to_buf2(Eterm, char*, int); -int io_list_len(Eterm); +int erts_iolist_size(Eterm, Uint *); int is_string(Eterm); void erl_at_exit(void (*) (void*), void*); Eterm collect_memory(Process *); @@ -1828,7 +1831,7 @@ erts_alloc_message_heap(Uint size, #endif if (size > (Uint) INT_MAX) - erl_exit(ERTS_ABORT_EXIT, "HUGE size (%bpu)\n", size); + erl_exit(ERTS_ABORT_EXIT, "HUGE size (%beu)\n", size); if ( #if defined(ERTS_SMP) @@ -1890,6 +1893,8 @@ erts_alloc_message_heap(Uint size, # if defined(DEBUG) # define DeclareTmpHeap(VariableName,Size,Process) \ Eterm *VariableName = erts_debug_allocate_tmp_heap(Size,Process) +# define DeclareTypedTmpHeap(Type,VariableName,Process) \ + Type *VariableName = (Type *) erts_debug_allocate_tmp_heap(sizeof(Type)/sizeof(Eterm),Process) # define DeclareTmpHeapNoproc(VariableName,Size) \ Eterm *VariableName = erts_debug_allocate_tmp_heap(Size,NULL) # define UseTmpHeap(Size,Proc) \ @@ -1911,6 +1916,8 @@ erts_alloc_message_heap(Uint size, # else # define DeclareTmpHeap(VariableName,Size,Process) \ Eterm *VariableName = (ERTS_PROC_GET_SCHDATA(Process)->tmp_heap)+(ERTS_PROC_GET_SCHDATA(Process)->num_tmp_heap_used) +# define DeclareTypedTmpHeap(Type,VariableName,Process) \ + Type *VariableName = (Type *) (ERTS_PROC_GET_SCHDATA(Process)->tmp_heap)+(ERTS_PROC_GET_SCHDATA(Process)->num_tmp_heap_used) # define DeclareTmpHeapNoproc(VariableName,Size) \ Eterm *VariableName = (erts_get_scheduler_data()->tmp_heap)+(erts_get_scheduler_data()->num_tmp_heap_used) # define UseTmpHeap(Size,Proc) \ @@ -1936,6 +1943,8 @@ erts_alloc_message_heap(Uint size, #else # define DeclareTmpHeap(VariableName,Size,Process) \ Eterm VariableName[Size] +# define DeclareTypedTmpHeap(Type,VariableName,Process) \ + Type VariableName[1] # define DeclareTmpHeapNoproc(VariableName,Size) \ Eterm VariableName[Size] # define UseTmpHeap(Size,Proc) /* Nothing */ diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index f21a96c754..df5f8b22a3 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * Copyright Ericsson AB 1996-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -56,7 +56,6 @@ static erts_smp_tsd_key_t driver_list_last_error_key; /* Save last DDLL error o per thread basis (for BC interfaces) */ Port* erts_port; /* The port table */ -erts_smp_atomic_t erts_ports_alive; erts_smp_atomic_t erts_bytes_out; /* No bytes sent out of the system */ erts_smp_atomic_t erts_bytes_in; /* No bytes gotten into the system */ @@ -82,6 +81,9 @@ static void driver_monitor_unlock_pdl(Port *p); #define DRV_MONITOR_UNLOCK_PDL(Port) /* nothing */ #endif +#define ERL_SMALL_IO_BIN_LIMIT (4*ERL_ONHEAP_BIN_LIMIT) +#define SMALL_WRITE_VEC 16 + static ERTS_INLINE ErlIOQueue* drvport2ioq(ErlDrvPort drvport) { @@ -190,7 +192,7 @@ typedef struct line_buf_context { static erts_smp_spinlock_t get_free_port_lck; static Uint last_port_num; static Uint port_num_mask; -erts_smp_atomic_t erts_ports_snapshot; /* Identifies the _next_ snapshot (not the ongoing) */ +erts_smp_atomic32_t erts_ports_snapshot; /* Identifies the _next_ snapshot (not the ongoing) */ static ERTS_INLINE void @@ -421,10 +423,9 @@ setup_port(Port* prt, Eterm pid, erts_driver_t *driver, new_name = (char*) erts_alloc(ERTS_ALC_T_PORT_NAME, sys_strlen(name)+1); sys_strcpy(new_name, name); erts_smp_runq_lock(runq); - erts_smp_atomic_inc(&erts_ports_alive); erts_smp_port_state_lock(prt); prt->status = ERTS_PORT_SFLG_CONNECTED | xstatus; - prt->snapshot = (Uint32) erts_smp_atomic_read(&erts_ports_snapshot); + prt->snapshot = erts_smp_atomic32_read(&erts_ports_snapshot); old_name = prt->name; prt->name = new_name; #ifdef ERTS_SMP @@ -954,13 +955,14 @@ do { \ int _bitoffs; \ int _bitsize; \ ERTS_GET_REAL_BIN(obj, _real, _offset, _bitoffs, _bitsize); \ - ASSERT(_bitsize == 0); \ + if (_bitsize != 0) goto L_type_error; \ if (thing_subtag(*binary_val(_real)) == REFC_BINARY_SUBTAG && \ _bitoffs == 0) { \ b_size += _size; \ + if (b_size < _size) goto L_overflow_error; \ in_clist = 0; \ v_size++; \ - if (_size >= bin_limit) { \ + if (_size >= ERL_SMALL_IO_BIN_LIMIT) { \ p_in_clist = 0; \ p_v_size++; \ } else { \ @@ -972,6 +974,7 @@ do { \ } \ } else { \ c_size += _size; \ + if (c_size < _size) goto L_overflow_error; \ if (!in_clist) { \ in_clist = 1; \ v_size++; \ @@ -986,29 +989,30 @@ do { \ /* -** Size of a io list in bytes -** return -1 if error -** returns: - Total size of io list -** vsize - SysIOVec size needed for a writev -** csize - Number of bytes not in binary (in the common binary) -** pvsize - SysIOVec size needed if packing small binaries -** pcsize - Number of bytes in the common binary if packing -*/ + * Returns 0 if successful and a non-zero value otherwise. + * + * Return values through pointers: + * *vsize - SysIOVec size needed for a writev + * *csize - Number of bytes not in binary (in the common binary) + * *pvsize - SysIOVec size needed if packing small binaries + * *pcsize - Number of bytes in the common binary if packing + * *total_size - Total size of iolist in bytes + */ static int -io_list_vec_len(Eterm obj, int* vsize, int* csize, - int bin_limit, /* small binaries limit */ - int * pvsize, int * pcsize) +io_list_vec_len(Eterm obj, Uint* vsize, Uint* csize, + Uint* pvsize, Uint* pcsize, Uint* total_size) { DECLARE_ESTACK(s); Eterm* objp; - int v_size = 0; - int c_size = 0; - int b_size = 0; - int in_clist = 0; - int p_v_size = 0; - int p_c_size = 0; - int p_in_clist = 0; + Uint v_size = 0; + Uint c_size = 0; + Uint b_size = 0; + Uint in_clist = 0; + Uint p_v_size = 0; + Uint p_c_size = 0; + Uint p_in_clist = 0; + Uint total; goto L_jump_start; /* avoid a push */ @@ -1022,6 +1026,9 @@ io_list_vec_len(Eterm obj, int* vsize, int* csize, if (is_byte(obj)) { c_size++; + if (c_size == 0) { + goto L_overflow_error; + } if (!in_clist) { in_clist = 1; v_size++; @@ -1061,32 +1068,31 @@ io_list_vec_len(Eterm obj, int* vsize, int* csize, } } + total = c_size + b_size; + if (total < c_size) { + goto L_overflow_error; + } + *total_size = total; + DESTROY_ESTACK(s); - if (vsize != NULL) - *vsize = v_size; - if (csize != NULL) - *csize = c_size; - if (pvsize != NULL) - *pvsize = p_v_size; - if (pcsize != NULL) - *pcsize = p_c_size; - return c_size + b_size; + *vsize = v_size; + *csize = c_size; + *pvsize = p_v_size; + *pcsize = p_c_size; + return 0; L_type_error: + L_overflow_error: DESTROY_ESTACK(s); - return -1; + return 1; } -#define ERL_SMALL_IO_BIN_LIMIT (4*ERL_ONHEAP_BIN_LIMIT) -#define SMALL_WRITE_VEC 16 - - /* write data to a port */ int erts_write_to_port(Eterm caller_id, Port *p, Eterm list) { char *buf; erts_driver_t *drv = p->drv_ptr; - int size; + Uint size; int fpe_was_unmasked; ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(p)); @@ -1094,10 +1100,10 @@ int erts_write_to_port(Eterm caller_id, Port *p, Eterm list) p->caller = caller_id; if (drv->outputv != NULL) { - int vsize; - int csize; - int pvsize; - int pcsize; + Uint vsize; + Uint csize; + Uint pvsize; + Uint pcsize; int blimit; SysIOVec iv[SMALL_WRITE_VEC]; ErlDrvBinary* bv[SMALL_WRITE_VEC]; @@ -1106,9 +1112,8 @@ int erts_write_to_port(Eterm caller_id, Port *p, Eterm list) ErlDrvBinary* cbin; ErlIOVec ev; - if ((size = io_list_vec_len(list, &vsize, &csize, - ERL_SMALL_IO_BIN_LIMIT, - &pvsize, &pcsize)) < 0) { + if (io_list_vec_len(list, &vsize, &csize, + &pvsize, &pcsize, &size)) { goto bad_value; } /* To pack or not to pack (small binaries) ...? */ @@ -1183,7 +1188,7 @@ int erts_write_to_port(Eterm caller_id, Port *p, Eterm list) else { ASSERT(r == -1); /* Overflow */ erts_free(ERTS_ALC_T_TMP, buf); - if ((size = io_list_len(list)) < 0) { + if (erts_iolist_size(list, &size)) { goto bad_value; } @@ -1226,7 +1231,6 @@ void init_io(void) { int i; ErlDrvEntry** dp; - ErlDrvEntry* drv; char maxports[21]; /* enough for any 64-bit integer */ size_t maxportssize = sizeof(maxports); Uint ports_bits = ERTS_PORTS_BITS; @@ -1275,7 +1279,6 @@ void init_io(void) erts_smp_atomic_init(&erts_bytes_out, 0); erts_smp_atomic_init(&erts_bytes_in, 0); - erts_smp_atomic_init(&erts_ports_alive, 0); for (i = 0; i < erts_max_ports; i++) { erts_port_task_init_sched(&erts_port[i].sched); @@ -1297,7 +1300,7 @@ void init_io(void) erts_port[i].port_data_lock = NULL; } - erts_smp_atomic_init(&erts_ports_snapshot, (erts_aint_t) 0); + erts_smp_atomic32_init(&erts_ports_snapshot, (erts_aint32_t) 0); last_port_num = 0; erts_smp_spinlock_init(&get_free_port_lck, "get_free_port"); @@ -1309,10 +1312,8 @@ void init_io(void) init_driver(&fd_driver, &fd_driver_entry, NULL); init_driver(&vanilla_driver, &vanilla_driver_entry, NULL); init_driver(&spawn_driver, &spawn_driver_entry, NULL); - for (dp = driver_tab; *dp != NULL; dp++) { - drv = *dp; + for (dp = driver_tab; *dp != NULL; dp++) erts_add_driver_entry(*dp, NULL, 1); - } erts_smp_tsd_set(driver_list_lock_status_key, NULL); erts_smp_mtx_unlock(&erts_driver_list_lock); @@ -2150,7 +2151,7 @@ erts_port_control(Process* p, Port* prt, Uint command, Eterm iolist) byte* to_port = NULL; /* Buffer to write to port. */ /* Initialization is for shutting up warning about use before set. */ - int to_len = 0; /* Length of buffer. */ + Uint to_len = 0; /* Length of buffer. */ int must_free = 0; /* True if the buffer should be freed. */ char port_result[ERL_ONHEAP_BIN_LIMIT]; /* Default buffer for result from port. */ char* port_resp; /* Pointer to result buffer. */ @@ -2195,7 +2196,7 @@ erts_port_control(Process* p, Port* prt, Uint command, Eterm iolist) } else { ASSERT(r == -1); /* Overflow */ erts_free(ERTS_ALC_T_TMP, (void *) to_port); - if ((to_len = io_list_len(iolist)) < 0) { /* Type error */ + if (erts_iolist_size(iolist, &to_len)) { /* Type error */ return THE_NON_VALUE; } must_free = 1; @@ -2420,7 +2421,7 @@ void erts_raw_port_command(Port* p, byte* buf, Uint len) if (len > (Uint) INT_MAX) erl_exit(ERTS_ABORT_EXIT, - "Absurdly large data buffer (%bpu bytes) passed to" + "Absurdly large data buffer (%beu bytes) passed to" "output callback of %s driver.\n", len, p->drv_ptr->name ? p->drv_ptr->name : "unknown"); @@ -3670,7 +3671,7 @@ driver_pdl_inc_refc(ErlDrvPDL pdl) { ErlDrvSInt refc = pdl_inctest_refc(pdl); #ifdef HARDDEBUG - erts_fprintf(stderr, "driver_pdl_inc_refc(%p) -> %bpd\r\n", + erts_fprintf(stderr, "driver_pdl_inc_refc(%p) -> %bed\r\n", pdl, refc); #endif return refc; diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index e861f97e7a..8a5763b4bb 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1997-2010. All Rights Reserved. +# Copyright Ericsson AB 1997-2011. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -1066,7 +1066,7 @@ is_function f y is_function f r is_function Fail=f c => jump Fail -func_info M=a F=a A=u | label L => gen_func_info(M, F, A, L) +func_info M F A => i_func_info u M F A # ================================================================ # New bit syntax matching (R11B). diff --git a/erts/emulator/beam/safe_hash.c b/erts/emulator/beam/safe_hash.c index 21d6ce9304..4c54e19cdb 100644 --- a/erts/emulator/beam/safe_hash.c +++ b/erts/emulator/beam/safe_hash.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2008-2009. All Rights Reserved. + * Copyright Ericsson AB 2008-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -99,7 +99,7 @@ static void rehash(SafeHash* h, int grow_limit) erts_free(h->type, (void *) old_tab); } /*else already done */ - erts_smp_atomic_set(&h->is_rehashing, 0); + erts_smp_atomic_set_relb(&h->is_rehashing, 0); } diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index ff828ae889..e64c43de6e 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -538,8 +538,8 @@ typedef struct preload { */ typedef struct _SysDriverOpts { - int ifd; /* Input file descriptor (fd driver). */ - int ofd; /* Outputfile descriptor (fd driver). */ + Uint ifd; /* Input file descriptor (fd driver). */ + Uint ofd; /* Outputfile descriptor (fd driver). */ int packet_bytes; /* Number of bytes in packet header. */ int read_write; /* Read and write bits. */ int use_stdio; /* Use standard I/O: TRUE or FALSE. */ diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 6b4f3b3b36..a17de717bc 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -3021,13 +3021,25 @@ int io_list_to_buf(Eterm obj, char* buf, int len) return -1; } -int io_list_len(Eterm obj) +/* + * Return 0 if successful, and non-zero if unsuccessful. + */ +int erts_iolist_size(Eterm obj, Uint* sizep) { Eterm* objp; - Sint len = 0; + Uint size = 0; DECLARE_ESTACK(s); goto L_again; +#define SAFE_ADD(Var, Val) \ + do { \ + Uint valvar = (Val); \ + Var += valvar; \ + if (Var < valvar) { \ + goto L_overflow_error; \ + } \ + } while (0) + while (!ESTACK_ISEMPTY(s)) { obj = ESTACK_POP(s); L_again: @@ -3037,9 +3049,12 @@ int io_list_len(Eterm obj) /* Head */ obj = CAR(objp); if (is_byte(obj)) { - len++; + size++; + if (size == 0) { + goto L_overflow_error; + } } else if (is_binary(obj) && binary_bitsize(obj) == 0) { - len += binary_size(obj); + SAFE_ADD(size, binary_size(obj)); } else if (is_list(obj)) { ESTACK_PUSH(s, CDR(objp)); goto L_iter_list; /* on head */ @@ -3051,23 +3066,29 @@ int io_list_len(Eterm obj) if (is_list(obj)) goto L_iter_list; /* on tail */ else if (is_binary(obj) && binary_bitsize(obj) == 0) { - len += binary_size(obj); + SAFE_ADD(size, binary_size(obj)); } else if (is_not_nil(obj)) { goto L_type_error; } } else if (is_binary(obj) && binary_bitsize(obj) == 0) { /* Tail was binary */ - len += binary_size(obj); + SAFE_ADD(size, binary_size(obj)); } else if (is_not_nil(obj)) { goto L_type_error; } } +#undef SAFE_ADD DESTROY_ESTACK(s); - return len; + *sizep = size; + return ERTS_IOLIST_OK; + + L_overflow_error: + DESTROY_ESTACK(s); + return ERTS_IOLIST_OVERFLOW; L_type_error: DESTROY_ESTACK(s); - return -1; + return ERTS_IOLIST_TYPE; } /* return 0 if item is not a non-empty flat list of bytes */ |