diff options
Diffstat (limited to 'erts/emulator/beam/beam_emu.c')
| -rw-r--r-- | erts/emulator/beam/beam_emu.c | 1545 |
1 files changed, 945 insertions, 600 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 5b2f032afc..16741aa2d7 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -228,9 +228,10 @@ BeamInstr* em_call_traced_function; ** for the refering variable (one of these), and rouge references ** will most likely cause chaos. */ -BeamInstr beam_return_to_trace[1]; /* OpCode(i_return_to_trace) */ -BeamInstr beam_return_trace[1]; /* OpCode(i_return_trace) */ -BeamInstr beam_exception_trace[1]; /* UGLY also OpCode(i_return_trace) */ +BeamInstr beam_return_to_trace[1]; /* OpCode(i_return_to_trace) */ +BeamInstr beam_return_trace[1]; /* OpCode(i_return_trace) */ +BeamInstr beam_exception_trace[1]; /* UGLY also OpCode(i_return_trace) */ +BeamInstr beam_return_time_trace[1]; /* OpCode(i_return_time_trace) */ /* * All Beam instructions in numerical order. @@ -343,6 +344,8 @@ extern int count_instructions; #define xb(N) (*(Eterm *) (((unsigned char *)reg) + (N))) #define yb(N) (*(Eterm *) (((unsigned char *)E) + (N))) #define fb(N) (*(double *) (((unsigned char *)&(freg[0].fd)) + (N))) +#define Qb(N) (N) +#define Ib(N) (N) #define x(N) reg[N] #define y(N) E[N] #define r(N) x##N @@ -471,6 +474,13 @@ extern int count_instructions; HEAP_SPACE_VERIFIED(need); \ } while (0) +#define TestHeapPutList(Need, Reg) \ + do { \ + TestHeap((Need), 1); \ + PutList(Reg, r(0), r(0), StoreSimpleDest); \ + CHECK_TERM(r(0)); \ + } while (0) + #ifdef HYBRID #ifdef INCREMENTAL #define TestGlobalHeap(Nh, Live, hp) \ @@ -515,6 +525,11 @@ extern int count_instructions; SWAPIN; \ } while (0) +#define PutTuple(Dst, Arity) \ + do { \ + Dst = make_tuple(HTOP); \ + pt_arity = (Arity); \ + } while (0) /* * Check that we haven't used the reductions and jump to function pointed to by @@ -673,6 +688,11 @@ extern int count_instructions; SET_I((BeamInstr *) CallDest); \ Dispatch(); +#define MoveJump(Src) \ + r(0) = (Src); \ + SET_I((BeamInstr *) Arg(0)); \ + Goto(*I); + #define GetList(Src, H, T) do { \ Eterm* tmp_ptr = list_val(Src); \ H = CAR(tmp_ptr); \ @@ -722,16 +742,8 @@ extern int count_instructions; (Dest) = (* (Eterm *) EXPAND_POINTER(tmp_arg1)); \ } while (0) -#define PutTuple(Arity, Src, Dest) \ - ASSERT(is_arity_value(Arity)); \ - Dest = make_tuple(HTOP); \ - HTOP[0] = (Arity); \ - HTOP[1] = (Src); \ - HTOP += 2 - -#define Put(Word) *HTOP++ = (Word) - #define EqualImmed(X, Y, Action) if (X != Y) { Action; } +#define NotEqualImmed(X, Y, Action) if (X == Y) { Action; } #define IsFloat(Src, Fail) if (is_not_float(Src)) { Fail; } @@ -983,8 +995,41 @@ extern int count_instructions; #define IsPid(Src, Fail) if (is_not_pid(Src)) { Fail; } #define IsRef(Src, Fail) if (is_not_ref(Src)) { Fail; } -static BifFunction translate_gc_bif(void* gcf); -static BeamInstr* handle_error(Process* c_p, BeamInstr* pc, Eterm* reg, BifFunction bf); +/* + * process_main() is already huge, so we want to avoid inlining + * into it. Especially functions that are seldom used. + */ +#ifdef __GNUC__ +# define NOINLINE __attribute__((__noinline__)) +#else +# define NOINLINE +#endif + +/* + * The following functions are called directly by process_main(). + * Don't inline them. + */ +static BifFunction translate_gc_bif(void* gcf) NOINLINE; +static BeamInstr* handle_error(Process* c_p, BeamInstr* pc, + Eterm* reg, BifFunction bf) NOINLINE; +static BeamInstr* call_error_handler(Process* p, BeamInstr* ip, + Eterm* reg, Eterm func) NOINLINE; +static BeamInstr* fixed_apply(Process* p, Eterm* reg, Uint arity) NOINLINE; +static BeamInstr* apply(Process* p, Eterm module, Eterm function, + Eterm args, Eterm* reg) NOINLINE; +static int hibernate(Process* c_p, Eterm module, Eterm function, + Eterm args, Eterm* reg) NOINLINE; +static BeamInstr* call_fun(Process* p, int arity, + Eterm* reg, Eterm args) NOINLINE; +static BeamInstr* apply_fun(Process* p, Eterm fun, + Eterm args, Eterm* reg) NOINLINE; +static Eterm new_fun(Process* p, Eterm* reg, + ErlFunEntry* fe, int num_free) NOINLINE; + + +/* + * Functions not directly called by process_main(). OK to inline. + */ static BeamInstr* next_catch(Process* c_p, Eterm *reg); static void terminate_proc(Process* c_p, Eterm Value); static Eterm add_stacktrace(Process* c_p, Eterm Value, Eterm exc); @@ -992,16 +1037,6 @@ static void save_stacktrace(Process* c_p, BeamInstr* pc, Eterm* reg, BifFunction bf, Eterm args); static struct StackTrace * get_trace_from_exc(Eterm exc); static Eterm make_arglist(Process* c_p, Eterm* reg, int a); -static Eterm call_error_handler(Process* p, BeamInstr* ip, Eterm* reg); -static Eterm call_breakpoint_handler(Process* p, BeamInstr* fi, Eterm* reg); -static BeamInstr* fixed_apply(Process* p, Eterm* reg, Uint arity); -static BeamInstr* apply(Process* p, Eterm module, Eterm function, - Eterm args, Eterm* reg); -static int hibernate(Process* c_p, Eterm module, Eterm function, - Eterm args, Eterm* reg); -static BeamInstr* call_fun(Process* p, int arity, Eterm* reg, Eterm args); -static BeamInstr* apply_fun(Process* p, Eterm fun, Eterm args, Eterm* reg); -static Eterm new_fun(Process* p, Eterm* reg, ErlFunEntry* fe, int num_free); #if defined(VXWORKS) static int init_done; @@ -1145,6 +1180,8 @@ void process_main(void) Uint temp_bits; /* Temporary used by BsSkipBits2 & BsGetInteger2 */ + Eterm pt_arity; /* Used by do_put_tuple */ + ERL_BITS_DECLARE_STATEP; /* Has to be last declaration */ @@ -1245,6 +1282,52 @@ void process_main(void) #define STORE_ARITH_RESULT(res) StoreBifResult(2, (res)); #define ARITH_FUNC(name) erts_gc_##name + { + Eterm increment_reg_val; + Eterm increment_val; + Uint live; + Eterm result; + + OpCase(i_increment_yIId): + increment_reg_val = yb(Arg(0)); + goto do_increment; + + OpCase(i_increment_xIId): + increment_reg_val = xb(Arg(0)); + goto do_increment; + + OpCase(i_increment_rIId): + increment_reg_val = r(0); + I--; + + do_increment: + increment_val = Arg(1); + if (is_small(increment_reg_val)) { + Sint i = signed_val(increment_reg_val) + increment_val; + ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i)); + if (MY_IS_SSMALL(i)) { + result = make_small(i); + store_result: + StoreBifResult(3, result); + } + } + + live = Arg(2); + SWAPOUT; + reg[0] = r(0); + reg[live] = increment_reg_val; + reg[live+1] = make_small(increment_val); + result = erts_gc_mixed_plus(c_p, reg, live); + r(0) = reg[0]; + SWAPIN; + ERTS_HOLE_CHECK(c_p); + if (is_value(result)) { + goto store_result; + } + ASSERT(c_p->freason != BADMATCH || is_value(c_p->fvalue)); + goto find_func_info; + } + OpCase(i_plus_jId): { Eterm result; @@ -1308,6 +1391,52 @@ void process_main(void) } Next(1); + { + Eterm is_eq_exact_lit_val; + + OpCase(i_is_eq_exact_literal_xfc): + is_eq_exact_lit_val = xb(Arg(0)); + I++; + goto do_is_eq_exact_literal; + + OpCase(i_is_eq_exact_literal_yfc): + is_eq_exact_lit_val = yb(Arg(0)); + I++; + goto do_is_eq_exact_literal; + + OpCase(i_is_eq_exact_literal_rfc): + is_eq_exact_lit_val = r(0); + + do_is_eq_exact_literal: + if (!eq(Arg(1), is_eq_exact_lit_val)) { + ClauseFail(); + } + Next(2); + } + + { + Eterm is_ne_exact_lit_val; + + OpCase(i_is_ne_exact_literal_xfc): + is_ne_exact_lit_val = xb(Arg(0)); + I++; + goto do_is_ne_exact_literal; + + OpCase(i_is_ne_exact_literal_yfc): + is_ne_exact_lit_val = yb(Arg(0)); + I++; + goto do_is_ne_exact_literal; + + OpCase(i_is_ne_exact_literal_rfc): + is_ne_exact_lit_val = r(0); + + do_is_ne_exact_literal: + if (eq(Arg(1), is_ne_exact_lit_val)) { + ClauseFail(); + } + Next(2); + } + OpCase(i_move_call_only_fcr): { r(0) = Arg(1); } @@ -1391,6 +1520,17 @@ void process_main(void) NextPF(1, next); } + OpCase(move_x1_c): { + x(1) = Arg(0); + Next(1); + } + + OpCase(move_x2_c): { + x(2) = Arg(0); + Next(1); + } + + OpCase(return): { SET_I(c_p->cp); /* @@ -1404,16 +1544,6 @@ void process_main(void) Goto(*I); } - OpCase(test_heap_1_put_list_Iy): { - BeamInstr *next; - - PreFetch(2, next); - TestHeap(Arg(0), 1); - PutList(yb(Arg(1)), r(0), r(0), StoreSimpleDest); - CHECK_TERM(r(0)); - NextPF(2, next); - } - /* * Send is almost a standard call-BIF with two arguments, except for: * 1) It cannot be traced. @@ -1446,24 +1576,36 @@ void process_main(void) goto find_func_info; } - OpCase(i_element_jssd): { - Eterm index; - Eterm tuple; - - /* - * Inlined version of element/2 for speed. - */ - GetArg2(1, index, tuple); - if (is_small(index) && is_tuple(tuple)) { - Eterm* tp = tuple_val(tuple); - - if ((signed_val(index) >= 1) && - (signed_val(index) <= arityval(*tp))) { - Eterm result = tp[signed_val(index)]; - StoreBifResult(3, result); - } - } - } + { + Eterm element_index; + Eterm element_tuple; + + OpCase(i_element_xjsd): + element_tuple = xb(Arg(0)); + I++; + goto do_element; + + OpCase(i_element_yjsd): + element_tuple = yb(Arg(0)); + I++; + goto do_element; + + OpCase(i_element_rjsd): + element_tuple = r(0); + /* Fall through */ + + do_element: + GetArg1(1, element_index); + if (is_small(element_index) && is_tuple(element_tuple)) { + Eterm* tp = tuple_val(element_tuple); + + if ((signed_val(element_index) >= 1) && + (signed_val(element_index) <= arityval(*tp))) { + Eterm result = tp[signed_val(element_index)]; + StoreBifResult(2, result); + } + } + } /* Fall through */ OpCase(badarg_j): @@ -1471,24 +1613,32 @@ void process_main(void) c_p->freason = BADARG; goto lb_Cl_error; - OpCase(i_fast_element_jIsd): { - Eterm tuple; - - /* - * Inlined version of element/2 for even more speed. - * The first argument is an untagged integer >= 1. - * The second argument is guaranteed to be a register operand. - */ - GetArg1(2, tuple); - if (is_tuple(tuple)) { - Eterm* tp = tuple_val(tuple); - tmp_arg2 = Arg(1); - if (tmp_arg2 <= arityval(*tp)) { - Eterm result = tp[tmp_arg2]; - StoreBifResult(3, result); - } - } + { + Eterm fast_element_tuple; + + OpCase(i_fast_element_rjId): + fast_element_tuple = r(0); + + do_fast_element: + if (is_tuple(fast_element_tuple)) { + Eterm* tp = tuple_val(fast_element_tuple); + Eterm pos = Arg(1); /* Untagged integer >= 1 */ + if (pos <= arityval(*tp)) { + Eterm result = tp[pos]; + StoreBifResult(2, result); + } + } goto badarg; + + OpCase(i_fast_element_xjId): + fast_element_tuple = xb(Arg(0)); + I++; + goto do_fast_element; + + OpCase(i_fast_element_yjId): + fast_element_tuple = yb(Arg(0)); + I++; + goto do_fast_element; } OpCase(catch_yf): @@ -1539,6 +1689,10 @@ void process_main(void) /* * Skeleton for receive statement: * + * recv_mark L1 Optional + * call make_ref/monitor Optional + * ... + * recv_set L1 Optional * L1: <-------------------+ * <-----------+ | * | | @@ -1557,6 +1711,34 @@ void process_main(void) * */ + OpCase(recv_mark_f): { + /* + * Save the current position in message buffer and the + * the label for the loop_rec/2 instruction for the + * the receive statement. + */ + c_p->msg.mark = (BeamInstr *) Arg(0); + c_p->msg.saved_last = c_p->msg.last; + Next(1); + } + + OpCase(i_recv_set): { + /* + * If the mark is valid (points to the loop_rec/2 + * instruction that follows), we know that the saved + * position points to the first message that could + * possibly be matched out. + * + * If the mark is invalid, we do nothing, meaning that + * we will look through all messages in the message queue. + */ + if (c_p->msg.mark == (BeamInstr *) (I+1)) { + c_p->msg.save = c_p->msg.saved_last; + } + I++; + /* Fall through to the loop_rec/2 instruction */ + } + /* * Pick up the next message and place it in x(0). * If no message, jump to a wait or wait_timeout instruction. @@ -1809,8 +1991,87 @@ void process_main(void) NextPF(0, next); } - OpCase(i_select_val_sfI): - GetArg1(0, tmp_arg1); + + { + Eterm select_val2; + + OpCase(i_select_tuple_arity2_yfAfAf): + select_val2 = yb(Arg(0)); + goto do_select_tuple_arity2; + + OpCase(i_select_tuple_arity2_xfAfAf): + select_val2 = xb(Arg(0)); + goto do_select_tuple_arity2; + + OpCase(i_select_tuple_arity2_rfAfAf): + select_val2 = r(0); + I--; + + do_select_tuple_arity2: + if (is_not_tuple(select_val2)) { + goto select_val2_fail; + } + select_val2 = *tuple_val(select_val2); + goto do_select_val2; + + OpCase(i_select_val2_yfcfcf): + select_val2 = yb(Arg(0)); + goto do_select_val2; + + OpCase(i_select_val2_xfcfcf): + select_val2 = xb(Arg(0)); + goto do_select_val2; + + OpCase(i_select_val2_rfcfcf): + select_val2 = r(0); + I--; + + do_select_val2: + if (select_val2 == Arg(2)) { + I += 2; + } else if (select_val2 == Arg(4)) { + I += 4; + } + + select_val2_fail: + SET_I((BeamInstr *) Arg(1)); + Goto(*I); + } + + { + Eterm select_val; + + OpCase(i_select_tuple_arity_xfI): + select_val = xb(Arg(0)); + goto do_select_tuple_arity; + + OpCase(i_select_tuple_arity_yfI): + select_val = yb(Arg(0)); + goto do_select_tuple_arity; + + OpCase(i_select_tuple_arity_rfI): + select_val = r(0); + I--; + + do_select_tuple_arity: + if (is_tuple(select_val)) { + select_val = *tuple_val(select_val); + goto do_binary_search; + } + SET_I((BeamInstr *) Arg(1)); + Goto(*I); + + OpCase(i_select_val_xfI): + select_val = xb(Arg(0)); + goto do_binary_search; + + OpCase(i_select_val_yfI): + select_val = yb(Arg(0)); + goto do_binary_search; + + OpCase(i_select_val_rfI): + select_val = r(0); + I--; do_binary_search: { @@ -1847,9 +2108,9 @@ void process_main(void) unsigned int boffset = ((unsigned int)bdiff >> 1) & ~(sizeof(struct Pairs)-1); mid = (struct Pairs*)((char*)low + boffset); - if (tmp_arg1 < mid->val) { + if (select_val < mid->val) { high = mid; - } else if (tmp_arg1 > mid->val) { + } else if (select_val > mid->val) { low = mid + 1; } else { SET_I(mid->addr); @@ -1859,16 +2120,28 @@ void process_main(void) SET_I((BeamInstr *) Arg(1)); Goto(*I); } + } - OpCase(i_jump_on_val_zero_sfI): { - Eterm index; - - GetArg1(0, index); - if (is_small(index)) { - index = signed_val(index); - if (index < Arg(2)) { - SET_I((BeamInstr *) (&Arg(3))[index]); + Eterm jump_on_val_zero_index; + + OpCase(i_jump_on_val_zero_yfI): + jump_on_val_zero_index = yb(Arg(0)); + goto do_jump_on_val_zero_index; + + OpCase(i_jump_on_val_zero_xfI): + jump_on_val_zero_index = xb(Arg(0)); + goto do_jump_on_val_zero_index; + + OpCase(i_jump_on_val_zero_rfI): + jump_on_val_zero_index = r(0); + I--; + + do_jump_on_val_zero_index: + if (is_small(jump_on_val_zero_index)) { + jump_on_val_zero_index = signed_val(jump_on_val_zero_index); + if (jump_on_val_zero_index < Arg(2)) { + SET_I((BeamInstr *) (&Arg(3))[jump_on_val_zero_index]); Goto(*I); } } @@ -1876,15 +2149,27 @@ void process_main(void) Goto(*I); } - OpCase(i_jump_on_val_sfII): { - Eterm index; + Eterm jump_on_val_index; - GetArg1(0, index); - if (is_small(index)) { - index = (Uint) (signed_val(index) - Arg(3)); - if (index < Arg(2)) { - SET_I((BeamInstr *) (&Arg(4))[index]); + + OpCase(i_jump_on_val_yfII): + jump_on_val_index = yb(Arg(0)); + goto do_jump_on_val_index; + + OpCase(i_jump_on_val_xfII): + jump_on_val_index = xb(Arg(0)); + goto do_jump_on_val_index; + + OpCase(i_jump_on_val_rfII): + jump_on_val_index = r(0); + I--; + + do_jump_on_val_index: + if (is_small(jump_on_val_index)) { + jump_on_val_index = (Uint) (signed_val(jump_on_val_index) - Arg(3)); + if (jump_on_val_index < Arg(2)) { + SET_I((BeamInstr *) (&Arg(4))[jump_on_val_index]); Goto(*I); } } @@ -1892,6 +2177,32 @@ void process_main(void) Goto(*I); } + do_put_tuple: { + Eterm* hp = HTOP; + + *hp++ = make_arityval(pt_arity); + + do { + Eterm term = *I++; + switch (term & _TAG_IMMED1_MASK) { + case (R_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: + *hp++ = r(0); + break; + case (X_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: + *hp++ = x(term >> _TAG_IMMED1_SIZE); + break; + case (Y_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: + *hp++ = y(term >> _TAG_IMMED1_SIZE); + break; + default: + *hp++ = term; + break; + } + } while (--pt_arity != 0); + HTOP = hp; + Goto(*I); + } + /* * All guards with zero arguments have special instructions: * self/0 @@ -1994,6 +2305,81 @@ void process_main(void) goto post_error_handling; } + OpCase(i_gc_bif2_jIId): /* Note, one less parameter than the i_gc_bif1 + and i_gc_bif3 */ + { + typedef Eterm (*GcBifFunction)(Process*, Eterm*, Uint); + GcBifFunction bf; + Eterm result; + Uint live = (Uint) Arg(2); + + reg[0] = r(0); + reg[live++] = tmp_arg1; + reg[live] = tmp_arg2; + bf = (GcBifFunction) Arg(1); + c_p->fcalls = FCALLS; + SWAPOUT; + PROCESS_MAIN_CHK_LOCKS(c_p); + ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p); + result = (*bf)(c_p, reg, live); + ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); + PROCESS_MAIN_CHK_LOCKS(c_p); + SWAPIN; + r(0) = reg[0]; + ERTS_HOLE_CHECK(c_p); + FCALLS = c_p->fcalls; + if (is_value(result)) { + StoreBifResult(3, result); + } + if (Arg(0) != 0) { + SET_I((BeamInstr *) Arg(0)); + Goto(*I); + } + reg[0] = tmp_arg1; + reg[1] = tmp_arg2; + I = handle_error(c_p, I, reg, translate_gc_bif((void *) bf)); + goto post_error_handling; + } + + OpCase(i_gc_bif3_jIsId): + { + typedef Eterm (*GcBifFunction)(Process*, Eterm*, Uint); + GcBifFunction bf; + Eterm arg; + Eterm result; + Uint live = (Uint) Arg(3); + + GetArg1(2, arg); + reg[0] = r(0); + reg[live++] = arg; + reg[live++] = tmp_arg1; + reg[live] = tmp_arg2; + bf = (GcBifFunction) Arg(1); + c_p->fcalls = FCALLS; + SWAPOUT; + PROCESS_MAIN_CHK_LOCKS(c_p); + ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p); + result = (*bf)(c_p, reg, live); + ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); + PROCESS_MAIN_CHK_LOCKS(c_p); + SWAPIN; + r(0) = reg[0]; + ERTS_HOLE_CHECK(c_p); + FCALLS = c_p->fcalls; + if (is_value(result)) { + StoreBifResult(4, result); + } + if (Arg(0) != 0) { + SET_I((BeamInstr *) Arg(0)); + Goto(*I); + } + reg[0] = arg; + reg[1] = tmp_arg1; + reg[2] = tmp_arg2; + I = handle_error(c_p, I, reg, translate_gc_bif((void *) bf)); + goto post_error_handling; + } + /* * Guards bifs and, or, xor in guards. */ @@ -2454,23 +2840,25 @@ void process_main(void) OpCase(i_int_bnot_jsId): { - GetArg1(1, tmp_arg1); - if (is_small(tmp_arg1)) { - tmp_arg1 = make_small(~signed_val(tmp_arg1)); + Eterm bnot_val; + + GetArg1(1, bnot_val); + if (is_small(bnot_val)) { + bnot_val = make_small(~signed_val(bnot_val)); } else { Uint live = Arg(2); SWAPOUT; reg[0] = r(0); - reg[live] = tmp_arg1; - tmp_arg1 = erts_gc_bnot(c_p, reg, live); + reg[live] = bnot_val; + bnot_val = erts_gc_bnot(c_p, reg, live); r(0) = reg[0]; SWAPIN; ERTS_HOLE_CHECK(c_p); - if (is_nil(tmp_arg1)) { + if (is_nil(bnot_val)) { goto lb_Cl_error; } } - StoreBifResult(3, tmp_arg1); + StoreBifResult(3, bnot_val); } badarith: @@ -2725,121 +3113,6 @@ void process_main(void) goto do_schedule1; } - OpCase(i_select_tuple_arity_sfI): - { - GetArg1(0, tmp_arg1); - - if (is_tuple(tmp_arg1)) { - tmp_arg1 = *tuple_val(tmp_arg1); - goto do_binary_search; - } - SET_I((BeamInstr *) Arg(1)); - Goto(*I); - } - - OpCase(i_select_big_sf): - { - Eterm* bigp; - Uint arity; - Eterm* given; - Uint given_arity; - Uint given_size; - - GetArg1(0, tmp_arg1); - if (is_big(tmp_arg1)) { - - /* - * The loader has sorted the bignumbers in descending order - * on the arity word. Therefore, we know that the search - * has failed as soon as we encounter an arity word less than - * the arity word of the given number. There is a zero word - * (less than any valid arity word) stored after the last bignumber. - */ - - given = big_val(tmp_arg1); - given_arity = given[0]; - given_size = thing_arityval(given_arity); - bigp = (Eterm *) &Arg(2); - while ((arity = bigp[0]) > given_arity) { - bigp += (TermWords(thing_arityval(arity) + 1) + 1) * (sizeof(BeamInstr)/sizeof(Eterm)); - } - while (bigp[0] == given_arity) { - if (memcmp(bigp+1, given+1, sizeof(Eterm)*given_size) == 0) { - BeamInstr *tmp = - ((BeamInstr *) (UWord) bigp) + TermWords(given_size + 1); - SET_I((BeamInstr *) *tmp); - Goto(*I); - } - bigp += (TermWords(thing_arityval(arity) + 1) + 1) * (sizeof(BeamInstr)/sizeof(Eterm)); - } - } - - /* - * Failed. - */ - - SET_I((BeamInstr *) Arg(1)); - Goto(*I); - } - -#if defined(ARCH_64) && !HALFWORD_HEAP - OpCase(i_select_float_sfI): - { - Uint f; - int n; - struct ValLabel { - Uint f; - BeamInstr* addr; - }; - struct ValLabel* ptr; - - GetArg1(0, tmp_arg1); - ASSERT(is_float(tmp_arg1)); - f = float_val(tmp_arg1)[1]; - n = Arg(2); - ptr = (struct ValLabel *) &Arg(3); - while (n-- > 0) { - if (ptr->f == f) { - SET_I(ptr->addr); - Goto(*I); - } - ptr++; - } - SET_I((Eterm *) Arg(1)); - Goto(*I); - } -#else - OpCase(i_select_float_sfI): - { - Uint fpart1; - Uint fpart2; - int n; - struct ValLabel { - Uint fpart1; - Uint fpart2; - BeamInstr* addr; - }; - struct ValLabel* ptr; - - GetArg1(0, tmp_arg1); - ASSERT(is_float(tmp_arg1)); - fpart1 = float_val(tmp_arg1)[1]; - fpart2 = float_val(tmp_arg1)[2]; - - n = Arg(2); - ptr = (struct ValLabel *) &Arg(3); - while (n-- > 0) { - if (ptr->fpart1 == fpart1 && ptr->fpart2 == fpart2) { - SET_I(ptr->addr); - Goto(*I); - } - ptr++; - } - SET_I((BeamInstr *) Arg(1)); - Goto(*I); - } -#endif - OpCase(set_tuple_element_sdP): { Eterm element; Eterm tuple; @@ -2885,15 +3158,17 @@ void process_main(void) the first argument. We also handle atom tags in the first argument for backwards compatibility. */ - GetArg2(0, tmp_arg1, tmp_arg2); - c_p->fvalue = tmp_arg2; + Eterm raise_val1; + Eterm raise_val2; + GetArg2(0, raise_val1, raise_val2); + c_p->fvalue = raise_val2; if (c_p->freason == EXC_NULL) { /* a safety check for the R10-0 case; should not happen */ c_p->ftrace = NIL; c_p->freason = EXC_ERROR; } /* for R10-0 code, keep existing c_p->ftrace and hope it's correct */ - switch (tmp_arg1) { + switch (raise_val1) { case am_throw: c_p->freason = EXC_THROWN & ~EXF_SAVETRACE; break; @@ -2909,8 +3184,8 @@ void process_main(void) passed from a user! Currently only expecting generated calls. */ struct StackTrace *s; - c_p->ftrace = tmp_arg1; - s = get_trace_from_exc(tmp_arg1); + c_p->ftrace = raise_val1; + s = get_trace_from_exc(raise_val1); if (s == NULL) { c_p->freason = EXC_ERROR; } else { @@ -2921,11 +3196,24 @@ void process_main(void) goto find_func_info; } - OpCase(badmatch_s): { - GetArg1(0, tmp_arg1); - c_p->fvalue = tmp_arg1; - c_p->freason = BADMATCH; - } + { + Eterm badmatch_val; + + OpCase(badmatch_y): + badmatch_val = yb(Arg(0)); + goto do_badmatch; + + OpCase(badmatch_x): + badmatch_val = xb(Arg(0)); + goto do_badmatch; + + OpCase(badmatch_r): + badmatch_val = r(0); + + do_badmatch: + c_p->fvalue = badmatch_val; + c_p->freason = BADMATCH; + } /* Fall through here */ find_func_info: { @@ -2948,12 +3236,11 @@ void process_main(void) */ SWAPOUT; reg[0] = r(0); - tmp_arg1 = call_error_handler(c_p, I-3, reg); + I = call_error_handler(c_p, I-3, reg, am_undefined_function); r(0) = reg[0]; SWAPIN; - if (tmp_arg1) { - SET_I(c_p->i); - Dispatch(); + if (I) { + Goto(*I); } /* Fall through */ @@ -2976,128 +3263,142 @@ void process_main(void) } } - OpCase(call_nif): - { - /* - * call_nif is always first instruction in function: - * - * I[-3]: Module - * I[-2]: Function - * I[-1]: Arity - * I[0]: &&call_nif - * I[1]: Function pointer to NIF function - * I[2]: Pointer to erl_module_nif - */ - BifFunction vbf; - - c_p->current = I-3; /* current and vbf set to please handle_error */ - SWAPOUT; - c_p->fcalls = FCALLS - 1; - PROCESS_MAIN_CHK_LOCKS(c_p); - tmp_arg2 = I[-1]; - ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p); + { + Eterm nif_bif_result; + Eterm bif_nif_arity; - ASSERT(!ERTS_PROC_IS_EXITING(c_p)); - { - typedef Eterm NifF(struct enif_environment_t*, int argc, Eterm argv[]); - NifF* fp = vbf = (NifF*) I[1]; - struct enif_environment_t env; - erts_pre_nif(&env, c_p, (struct erl_module_nif*)I[2]); - reg[0] = r(0); - tmp_arg1 = (*fp)(&env, tmp_arg2, reg); - erts_post_nif(&env); - } - ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(tmp_arg1)); - PROCESS_MAIN_CHK_LOCKS(c_p); - goto apply_bif_or_nif_epilogue; - - OpCase(apply_bif): - /* - * At this point, I points to the code[3] in the export entry for - * the BIF: - * - * code[0]: Module - * code[1]: Function - * code[2]: Arity - * code[3]: &&apply_bif - * code[4]: Function pointer to BIF function - */ + OpCase(call_nif): + { + /* + * call_nif is always first instruction in function: + * + * I[-3]: Module + * I[-2]: Function + * I[-1]: Arity + * I[0]: &&call_nif + * I[1]: Function pointer to NIF function + * I[2]: Pointer to erl_module_nif + */ + BifFunction vbf; - c_p->current = I-3; /* In case we apply process_info/1,2 or load_nif/1 */ - c_p->i = I; /* In case we apply check_process_code/2. */ - c_p->arity = 0; /* To allow garbage collection on ourselves - * (check_process_code/2). - */ - SWAPOUT; - c_p->fcalls = FCALLS - 1; - vbf = (BifFunction) Arg(0); - PROCESS_MAIN_CHK_LOCKS(c_p); - tmp_arg2 = I[-1]; - ASSERT(tmp_arg2 <= 3); - ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p); - switch (tmp_arg2) { - case 3: + c_p->current = I-3; /* current and vbf set to please handle_error */ + SWAPOUT; + c_p->fcalls = FCALLS - 1; + PROCESS_MAIN_CHK_LOCKS(c_p); + bif_nif_arity = I[-1]; + ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p); + + ASSERT(!ERTS_PROC_IS_EXITING(c_p)); { - Eterm (*bf)(Process*, Eterm, Eterm, Eterm, BeamInstr*) = vbf; - ASSERT(!ERTS_PROC_IS_EXITING(c_p)); - tmp_arg1 = (*bf)(c_p, r(0), x(1), x(2), I); - ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(tmp_arg1)); - PROCESS_MAIN_CHK_LOCKS(c_p); + typedef Eterm NifF(struct enif_environment_t*, int argc, Eterm argv[]); + NifF* fp = vbf = (NifF*) I[1]; + struct enif_environment_t env; + erts_pre_nif(&env, c_p, (struct erl_module_nif*)I[2]); + reg[0] = r(0); + nif_bif_result = (*fp)(&env, bif_nif_arity, reg); + erts_post_nif(&env); } - break; - case 2: - { - Eterm (*bf)(Process*, Eterm, Eterm, BeamInstr*) = vbf; - ASSERT(!ERTS_PROC_IS_EXITING(c_p)); - tmp_arg1 = (*bf)(c_p, r(0), x(1), I); - ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(tmp_arg1)); - PROCESS_MAIN_CHK_LOCKS(c_p); + ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(nif_bif_result)); + PROCESS_MAIN_CHK_LOCKS(c_p); + goto apply_bif_or_nif_epilogue; + + OpCase(apply_bif): + /* + * At this point, I points to the code[3] in the export entry for + * the BIF: + * + * code[0]: Module + * code[1]: Function + * code[2]: Arity + * code[3]: &&apply_bif + * code[4]: Function pointer to BIF function + */ + + c_p->current = I-3; /* In case we apply process_info/1,2 or load_nif/1 */ + c_p->i = I; /* In case we apply check_process_code/2. */ + c_p->arity = 0; /* To allow garbage collection on ourselves + * (check_process_code/2). + */ + SWAPOUT; + c_p->fcalls = FCALLS - 1; + vbf = (BifFunction) Arg(0); + PROCESS_MAIN_CHK_LOCKS(c_p); + bif_nif_arity = I[-1]; + ASSERT(bif_nif_arity <= 3); + ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p); + switch (bif_nif_arity) { + case 3: + { + Eterm (*bf)(Process*, Eterm, Eterm, Eterm, BeamInstr*) = vbf; + ASSERT(!ERTS_PROC_IS_EXITING(c_p)); + nif_bif_result = (*bf)(c_p, r(0), x(1), x(2), I); + ASSERT(!ERTS_PROC_IS_EXITING(c_p) || + is_non_value(nif_bif_result)); + PROCESS_MAIN_CHK_LOCKS(c_p); + } + break; + case 2: + { + Eterm (*bf)(Process*, Eterm, Eterm, BeamInstr*) = vbf; + ASSERT(!ERTS_PROC_IS_EXITING(c_p)); + nif_bif_result = (*bf)(c_p, r(0), x(1), I); + ASSERT(!ERTS_PROC_IS_EXITING(c_p) || + is_non_value(nif_bif_result)); + PROCESS_MAIN_CHK_LOCKS(c_p); + } + break; + case 1: + { + Eterm (*bf)(Process*, Eterm, BeamInstr*) = vbf; + ASSERT(!ERTS_PROC_IS_EXITING(c_p)); + nif_bif_result = (*bf)(c_p, r(0), I); + ASSERT(!ERTS_PROC_IS_EXITING(c_p) || + is_non_value(nif_bif_result)); + PROCESS_MAIN_CHK_LOCKS(c_p); + } + break; + case 0: + { + Eterm (*bf)(Process*, BeamInstr*) = vbf; + ASSERT(!ERTS_PROC_IS_EXITING(c_p)); + nif_bif_result = (*bf)(c_p, I); + ASSERT(!ERTS_PROC_IS_EXITING(c_p) || + is_non_value(nif_bif_result)); + PROCESS_MAIN_CHK_LOCKS(c_p); + break; + } + default: + erl_exit(1, "apply_bif: invalid arity: %u\n", + bif_nif_arity); } - break; - case 1: - { - Eterm (*bf)(Process*, Eterm, BeamInstr*) = vbf; - ASSERT(!ERTS_PROC_IS_EXITING(c_p)); - tmp_arg1 = (*bf)(c_p, r(0), I); - ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(tmp_arg1)); - PROCESS_MAIN_CHK_LOCKS(c_p); + + apply_bif_or_nif_epilogue: + ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); + ERTS_HOLE_CHECK(c_p); + if (c_p->mbuf) { + reg[0] = r(0); + nif_bif_result = erts_gc_after_bif_call(c_p, nif_bif_result, + reg, bif_nif_arity); + r(0) = reg[0]; } - break; - case 0: - { - Eterm (*bf)(Process*, BeamInstr*) = vbf; - ASSERT(!ERTS_PROC_IS_EXITING(c_p)); - tmp_arg1 = (*bf)(c_p, I); - ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(tmp_arg1)); - PROCESS_MAIN_CHK_LOCKS(c_p); - break; + SWAPIN; /* There might have been a garbage collection. */ + FCALLS = c_p->fcalls; + if (is_value(nif_bif_result)) { + r(0) = nif_bif_result; + CHECK_TERM(r(0)); + SET_I(c_p->cp); + Goto(*I); + } else if (c_p->freason == TRAP) { + SET_I(*((BeamInstr **) (UWord) ((c_p)->def_arg_reg + 3))); + r(0) = c_p->def_arg_reg[0]; + x(1) = c_p->def_arg_reg[1]; + x(2) = c_p->def_arg_reg[2]; + Dispatch(); } - } -apply_bif_or_nif_epilogue: - ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); - ERTS_HOLE_CHECK(c_p); - if (c_p->mbuf) { reg[0] = r(0); - tmp_arg1 = erts_gc_after_bif_call(c_p, tmp_arg1, reg, tmp_arg2); - r(0) = reg[0]; + I = handle_error(c_p, c_p->cp, reg, vbf); + goto post_error_handling; } - SWAPIN; /* There might have been a garbage collection. */ - FCALLS = c_p->fcalls; - if (is_value(tmp_arg1)) { - r(0) = tmp_arg1; - CHECK_TERM(r(0)); - SET_I(c_p->cp); - Goto(*I); - } else if (c_p->freason == TRAP) { - SET_I(*((BeamInstr **) (UWord) ((c_p)->def_arg_reg + 3))); - r(0) = c_p->def_arg_reg[0]; - x(1) = c_p->def_arg_reg[1]; - x(2) = c_p->def_arg_reg[2]; - Dispatch(); - } - reg[0] = r(0); - I = handle_error(c_p, c_p->cp, reg, vbf); - goto post_error_handling; } OpCase(i_get_sd): @@ -3110,17 +3411,26 @@ apply_bif_or_nif_epilogue: StoreBifResult(1, result); } - OpCase(i_put_tuple_only_Ad): { - tmp_arg1 = make_tuple(HTOP); - *HTOP++ = Arg(0); - StoreBifResult(1, tmp_arg1); - } + { + Eterm case_end_val; - OpCase(case_end_s): - GetArg1(0, tmp_arg1); - c_p->fvalue = tmp_arg1; - c_p->freason = EXC_CASE_CLAUSE; - goto find_func_info; + OpCase(case_end_x): + case_end_val = xb(Arg(0)); + goto do_case_end; + + OpCase(case_end_y): + case_end_val = yb(Arg(0)); + goto do_case_end; + + OpCase(case_end_r): + case_end_val = r(0); + I--; + + do_case_end: + c_p->fvalue = case_end_val; + c_p->freason = EXC_CASE_CLAUSE; + goto find_func_info; + } OpCase(if_end): c_p->freason = EXC_IF_CLAUSE; @@ -3133,10 +3443,13 @@ apply_bif_or_nif_epilogue: } OpCase(try_case_end_s): - GetArg1(0, tmp_arg1); - c_p->fvalue = tmp_arg1; - c_p->freason = EXC_TRY_CLAUSE; - goto find_func_info; + { + Eterm try_case_end_val; + GetArg1(0, try_case_end_val); + c_p->fvalue = try_case_end_val; + c_p->freason = EXC_TRY_CLAUSE; + goto find_func_info; + } /* * Construction of binaries using new instructions. @@ -3283,12 +3596,12 @@ apply_bif_or_nif_epilogue: HTOP += PROC_BIN_SIZE; pb->thing_word = HEADER_PROC_BIN; pb->size = num_bytes; - pb->next = MSO(c_p).mso; - MSO(c_p).mso = pb; + pb->next = MSO(c_p).first; + MSO(c_p).first = (struct erl_off_heap_header*) pb; pb->val = bptr; pb->bytes = (byte*) bptr->orig_bytes; pb->flags = 0; - MSO(c_p).overhead += pb->size / sizeof(Eterm); + OH_OVERHEAD(&(MSO(c_p)), pb->size / sizeof(Eterm)); new_binary = make_binary(pb); goto do_bits_sub_bin; } @@ -3384,13 +3697,13 @@ apply_bif_or_nif_epilogue: HTOP += PROC_BIN_SIZE; pb->thing_word = HEADER_PROC_BIN; pb->size = tmp_arg1; - pb->next = MSO(c_p).mso; - MSO(c_p).mso = pb; + pb->next = MSO(c_p).first; + MSO(c_p).first = (struct erl_off_heap_header*) pb; pb->val = bptr; pb->bytes = (byte*) bptr->orig_bytes; pb->flags = 0; - MSO(c_p).overhead += tmp_arg1 / sizeof(Eterm); + OH_OVERHEAD(&(MSO(c_p)), tmp_arg1 / sizeof(Eterm)); StoreBifResult(2, make_binary(pb)); } @@ -3426,42 +3739,6 @@ apply_bif_or_nif_epilogue: } } - OpCase(i_bs_bits_to_bytes_rjd): { - tmp_arg1 = r(0); - goto do_bits_to_bytes; - } - - OpCase(i_bs_bits_to_bytes_yjd): { - tmp_arg1 = yb(Arg(0)); - I++; - goto do_bits_to_bytes; - - OpCase(i_bs_bits_to_bytes_xjd): { - tmp_arg1 = xb(Arg(0)); - I++; - } - - do_bits_to_bytes: - { - if (is_valid_bit_size(tmp_arg1)) { - tmp_arg1 = make_small(unsigned_val(tmp_arg1) >> 3); - } else { - Uint bytes; - if (!term_to_Uint(tmp_arg1, &bytes)) { - goto badarg; - } - tmp_arg1 = bytes; - if ((tmp_arg1 & 0x07) != 0) { - goto badarg; - } - SWAPOUT; - tmp_arg1 = erts_make_integer(tmp_arg1 >> 3, c_p); - HTOP = HEAP_TOP(c_p); - } - StoreBifResult(1, tmp_arg1); - } - } - OpCase(i_bs_add_jId): { Uint Unit = Arg(1); if (is_both_small(tmp_arg1, tmp_arg2)) { @@ -3499,7 +3776,7 @@ apply_bif_or_nif_epilogue: /* * Now we know that one of the arguments is - * not at small. We must convert both arguments + * not a small. We must convert both arguments * to Uints and check for errors at the same time. * * Error checking is tricky. @@ -3720,19 +3997,20 @@ apply_bif_or_nif_epilogue: Eterm header; BeamInstr *next; Uint slots; + Eterm context; OpCase(i_bs_start_match2_rfIId): { - tmp_arg1 = r(0); + context = r(0); do_start_match: slots = Arg(2); - if (!is_boxed(tmp_arg1)) { + if (!is_boxed(context)) { ClauseFail(); } PreFetch(4, next); - header = *boxed_val(tmp_arg1); + header = *boxed_val(context); if (header_is_bin_matchstate(header)) { - ErlBinMatchState* ms = (ErlBinMatchState *) boxed_val(tmp_arg1); + ErlBinMatchState* ms = (ErlBinMatchState *) boxed_val(context); Uint actual_slots = HEADER_NUM_SLOTS(header); ms->save_offset[0] = ms->mb.offset; if (actual_slots < slots) { @@ -3740,8 +4018,8 @@ apply_bif_or_nif_epilogue: Uint live = Arg(1); Uint wordsneeded = ERL_BIN_MATCHSTATE_SIZE(slots); - TestHeapPreserve(wordsneeded, live, tmp_arg1); - ms = (ErlBinMatchState *) boxed_val(tmp_arg1); + TestHeapPreserve(wordsneeded, live, context); + ms = (ErlBinMatchState *) boxed_val(context); dst = (ErlBinMatchState *) HTOP; *dst = *ms; *HTOP = HEADER_BIN_MATCHSTATE(slots); @@ -3753,12 +4031,12 @@ apply_bif_or_nif_epilogue: Eterm result; Uint live = Arg(1); Uint wordsneeded = ERL_BIN_MATCHSTATE_SIZE(slots); - TestHeapPreserve(wordsneeded, live, tmp_arg1); + TestHeapPreserve(wordsneeded, live, context); HEAP_TOP(c_p) = HTOP; #ifdef DEBUG c_p->stop = E; /* Needed for checking in HeapOnlyAlloc(). */ #endif - result = erts_bs_start_match_2(c_p, tmp_arg1, slots); + result = erts_bs_start_match_2(c_p, context, slots); HTOP = HEAP_TOP(c_p); HEAP_SPACE_VERIFIED(0); if (is_non_value(result)) { @@ -3772,12 +4050,12 @@ apply_bif_or_nif_epilogue: NextPF(4, next); } OpCase(i_bs_start_match2_xfIId): { - tmp_arg1 = xb(Arg(0)); + context = xb(Arg(0)); I++; goto do_start_match; } OpCase(i_bs_start_match2_yfIId): { - tmp_arg1 = yb(Arg(0)); + context = yb(Arg(0)); I++; goto do_start_match; } @@ -3870,93 +4148,105 @@ apply_bif_or_nif_epilogue: NextPF(2, next); } + { + Eterm bs_get_integer8_context; + OpCase(i_bs_get_integer_8_rfd): { - tmp_arg1 = r(0); - goto do_bs_get_integer_8; - } + bs_get_integer8_context = r(0); + goto do_bs_get_integer_8; + } OpCase(i_bs_get_integer_8_xfd): { - tmp_arg1 = xb(Arg(0)); - I++; - } + bs_get_integer8_context = xb(Arg(0)); + I++; + } do_bs_get_integer_8: { - ErlBinMatchBuffer *_mb; - Eterm _result; - _mb = ms_matchbuffer(tmp_arg1); - if (_mb->size - _mb->offset < 8) { - ClauseFail(); - } - if (BIT_OFFSET(_mb->offset) != 0) { - _result = erts_bs_get_integer_2(c_p, 8, 0, _mb); - } else { - _result = make_small(_mb->base[BYTE_OFFSET(_mb->offset)]); - _mb->offset += 8; + ErlBinMatchBuffer *_mb; + Eterm _result; + _mb = ms_matchbuffer(bs_get_integer8_context); + if (_mb->size - _mb->offset < 8) { + ClauseFail(); + } + if (BIT_OFFSET(_mb->offset) != 0) { + _result = erts_bs_get_integer_2(c_p, 8, 0, _mb); + } else { + _result = make_small(_mb->base[BYTE_OFFSET(_mb->offset)]); + _mb->offset += 8; + } + StoreBifResult(1, _result); } - StoreBifResult(1, _result); } - OpCase(i_bs_get_integer_16_rfd): { - tmp_arg1 = r(0); + { + Eterm bs_get_integer_16_context; + + OpCase(i_bs_get_integer_16_rfd): + bs_get_integer_16_context = r(0); goto do_bs_get_integer_16; - } - OpCase(i_bs_get_integer_16_xfd): { - tmp_arg1 = xb(Arg(0)); + OpCase(i_bs_get_integer_16_xfd): + bs_get_integer_16_context = xb(Arg(0)); I++; - } - do_bs_get_integer_16: { - ErlBinMatchBuffer *_mb; - Eterm _result; - _mb = ms_matchbuffer(tmp_arg1); - if (_mb->size - _mb->offset < 16) { - ClauseFail(); - } - if (BIT_OFFSET(_mb->offset) != 0) { - _result = erts_bs_get_integer_2(c_p, 16, 0, _mb); - } else { - _result = make_small(get_int16(_mb->base+BYTE_OFFSET(_mb->offset))); - _mb->offset += 16; + do_bs_get_integer_16: + { + ErlBinMatchBuffer *_mb; + Eterm _result; + _mb = ms_matchbuffer(bs_get_integer_16_context); + if (_mb->size - _mb->offset < 16) { + ClauseFail(); + } + if (BIT_OFFSET(_mb->offset) != 0) { + _result = erts_bs_get_integer_2(c_p, 16, 0, _mb); + } else { + _result = make_small(get_int16(_mb->base+BYTE_OFFSET(_mb->offset))); + _mb->offset += 16; + } + StoreBifResult(1, _result); } - StoreBifResult(1, _result); } - OpCase(i_bs_get_integer_32_rfId): { - tmp_arg1 = r(0); + { + Eterm bs_get_integer_32_context; + + OpCase(i_bs_get_integer_32_rfId): + bs_get_integer_32_context = r(0); goto do_bs_get_integer_32; - } + - OpCase(i_bs_get_integer_32_xfId): { - tmp_arg1 = xb(Arg(0)); + OpCase(i_bs_get_integer_32_xfId): + bs_get_integer_32_context = xb(Arg(0)); I++; - } - do_bs_get_integer_32: { - ErlBinMatchBuffer *_mb; - Uint32 _integer; - Eterm _result; - _mb = ms_matchbuffer(tmp_arg1); - if (_mb->size - _mb->offset < 32) { ClauseFail(); } - if (BIT_OFFSET(_mb->offset) != 0) { - _integer = erts_bs_get_unaligned_uint32(_mb); - } else { - _integer = get_int32(_mb->base + _mb->offset/8); - } - _mb->offset += 32; + + do_bs_get_integer_32: + { + ErlBinMatchBuffer *_mb; + Uint32 _integer; + Eterm _result; + _mb = ms_matchbuffer(bs_get_integer_32_context); + if (_mb->size - _mb->offset < 32) { ClauseFail(); } + if (BIT_OFFSET(_mb->offset) != 0) { + _integer = erts_bs_get_unaligned_uint32(_mb); + } else { + _integer = get_int32(_mb->base + _mb->offset/8); + } + _mb->offset += 32; #if !defined(ARCH_64) || HALFWORD_HEAP - if (IS_USMALL(0, _integer)) { + if (IS_USMALL(0, _integer)) { #endif - _result = make_small(_integer); + _result = make_small(_integer); #if !defined(ARCH_64) || HALFWORD_HEAP - } else { - TestHeap(BIG_UINT_HEAP_SIZE, Arg(1)); - _result = uint_to_big((Uint) _integer, HTOP); - HTOP += BIG_UINT_HEAP_SIZE; - HEAP_SPACE_VERIFIED(0); - } + } else { + TestHeap(BIG_UINT_HEAP_SIZE, Arg(1)); + _result = uint_to_big((Uint) _integer, HTOP); + HTOP += BIG_UINT_HEAP_SIZE; + HEAP_SPACE_VERIFIED(0); + } #endif - StoreBifResult(2, _result); + StoreBifResult(2, _result); + } } /* Operands: Size Live Fail Flags Dst */ @@ -4054,54 +4344,64 @@ apply_bif_or_nif_epilogue: StoreBifResult(3, result); } - /* Operands: MatchContext Fail Dst */ + { + Eterm get_utf8_context; + + /* Operands: MatchContext Fail Dst */ OpCase(i_bs_get_utf8_rfd): { - tmp_arg1 = r(0); - goto do_bs_get_utf8; - } + get_utf8_context = r(0); + goto do_bs_get_utf8; + } OpCase(i_bs_get_utf8_xfd): { - tmp_arg1 = xb(Arg(0)); - I++; - } + get_utf8_context = xb(Arg(0)); + I++; + } - /* - * tmp_arg1 = match_context - * Operands: Fail Dst - */ + /* + * get_utf8_context = match_context + * Operands: Fail Dst + */ - do_bs_get_utf8: { - Eterm result = erts_bs_get_utf8(ms_matchbuffer(tmp_arg1)); - if (is_non_value(result)) { - ClauseFail(); + do_bs_get_utf8: { + Eterm result = erts_bs_get_utf8(ms_matchbuffer(get_utf8_context)); + if (is_non_value(result)) { + ClauseFail(); + } + StoreBifResult(1, result); } - StoreBifResult(1, result); } - /* Operands: MatchContext Fail Flags Dst */ + { + Eterm get_utf16_context; + + /* Operands: MatchContext Fail Flags Dst */ OpCase(i_bs_get_utf16_rfId): { - tmp_arg1 = r(0); - goto do_bs_get_utf16; - } + get_utf16_context = r(0); + goto do_bs_get_utf16; + } OpCase(i_bs_get_utf16_xfId): { - tmp_arg1 = xb(Arg(0)); - I++; - } + get_utf16_context = xb(Arg(0)); + I++; + } - /* - * tmp_arg1 = match_context - * Operands: Fail Flags Dst - */ - do_bs_get_utf16: { - Eterm result = erts_bs_get_utf16(ms_matchbuffer(tmp_arg1), Arg(1)); - if (is_non_value(result)) { - ClauseFail(); + /* + * get_utf16_context = match_context + * Operands: Fail Flags Dst + */ + do_bs_get_utf16: { + Eterm result = erts_bs_get_utf16(ms_matchbuffer(get_utf16_context), + Arg(1)); + if (is_non_value(result)) { + ClauseFail(); + } + StoreBifResult(2, result); } - StoreBifResult(2, result); } { + Eterm context_to_binary_context; ErlBinMatchBuffer* mb; ErlSubBin* sb; Uint size; @@ -4110,27 +4410,29 @@ apply_bif_or_nif_epilogue: Uint hole_size; OpCase(bs_context_to_binary_r): { - tmp_arg1 = x0; + context_to_binary_context = x0; I -= 2; goto do_context_to_binary; } /* Unfortunately, inlining can generate this instruction. */ OpCase(bs_context_to_binary_y): { - tmp_arg1 = yb(Arg(0)); + context_to_binary_context = yb(Arg(0)); goto do_context_to_binary0; } OpCase(bs_context_to_binary_x): { - tmp_arg1 = xb(Arg(0)); + context_to_binary_context = xb(Arg(0)); do_context_to_binary0: I--; } do_context_to_binary: - if (is_boxed(tmp_arg1) && header_is_bin_matchstate(*boxed_val(tmp_arg1))) { - ErlBinMatchState* ms = (ErlBinMatchState *) boxed_val(tmp_arg1); + if (is_boxed(context_to_binary_context) && + header_is_bin_matchstate(*boxed_val(context_to_binary_context))) { + ErlBinMatchState* ms; + ms = (ErlBinMatchState *) boxed_val(context_to_binary_context); mb = &ms->mb; offs = ms->save_offset[0]; size = mb->size - offs; @@ -4139,17 +4441,17 @@ apply_bif_or_nif_epilogue: Next(2); OpCase(i_bs_get_binary_all_reuse_rfI): { - tmp_arg1 = x0; + context_to_binary_context = x0; goto do_bs_get_binary_all_reuse; } OpCase(i_bs_get_binary_all_reuse_xfI): { - tmp_arg1 = xb(Arg(0)); + context_to_binary_context = xb(Arg(0)); I++; } do_bs_get_binary_all_reuse: - mb = ms_matchbuffer(tmp_arg1); + mb = ms_matchbuffer(context_to_binary_context); size = mb->size - mb->offset; if (size % Arg(1) != 0) { ClauseFail(); @@ -4158,7 +4460,7 @@ apply_bif_or_nif_epilogue: do_bs_get_binary_all_reuse_common: orig = mb->orig; - sb = (ErlSubBin *) boxed_val(tmp_arg1); + sb = (ErlSubBin *) boxed_val(context_to_binary_context); hole_size = 1 + header_arity(sb->thing_word) - ERL_SUB_BIN_SIZE; sb->thing_word = HEADER_SUB_BIN; sb->size = BYTE_OFFSET(size); @@ -4174,12 +4476,14 @@ apply_bif_or_nif_epilogue: } { + Eterm match_string_context; + OpCase(i_bs_match_string_rfII): { - tmp_arg1 = r(0); + match_string_context = r(0); goto do_bs_match_string; } OpCase(i_bs_match_string_xfII): { - tmp_arg1 = xb(Arg(0)); + match_string_context = xb(Arg(0)); I++; } @@ -4194,7 +4498,7 @@ apply_bif_or_nif_epilogue: PreFetch(3, next); bits = Arg(1); bytes = (byte *) Arg(2); - mb = ms_matchbuffer(tmp_arg1); + mb = ms_matchbuffer(match_string_context); if (mb->size - mb->offset < bits) { ClauseFail(); } @@ -4307,7 +4611,7 @@ apply_bif_or_nif_epilogue: ASSERT(is_CP((BeamInstr)(ep->code))); ASSERT(is_internal_pid(c_p->tracer_proc) || is_internal_port(c_p->tracer_proc)); - E[2] = make_cp(c_p->cp); /* XXX:PaN - code in lower range on halfword */ + E[2] = make_cp(c_p->cp); /* Code in lower range on halfword */ E[1] = am_true; /* Process tracer */ E[0] = make_cp(ep->code); c_p->cp = (flags & MATCH_SET_EXCEPTION_TRACE) @@ -4338,35 +4642,109 @@ apply_bif_or_nif_epilogue: OpCase(i_count_breakpoint): { BeamInstr real_I; - ErtsCountBreak((BeamInstr *) I, &real_I); + ErtsCountBreak(c_p, (BeamInstr *) I, &real_I); + ASSERT(VALID_INSTR(real_I)); + Goto(real_I); + } + + /* need to send mfa instead of bdt pointer + * the pointer might be deallocated. + */ + + OpCase(i_time_breakpoint): { + BeamInstr real_I; + BpData **bds = (BpData **) (I)[-4]; + BpDataTime *bdt = NULL; + Uint ix = 0; +#ifdef ERTS_SMP + ix = c_p->scheduler_data->no - 1; +#else + ix = 0; +#endif + bdt = (BpDataTime *)bds[ix]; + + ASSERT((I)[-5] == (BeamInstr) BeamOp(op_i_func_info_IaaI)); + ASSERT(bdt); + bdt = (BpDataTime *) bdt->next; + ASSERT(bdt); + bds[ix] = (BpData *) bdt; + real_I = bdt->orig_instr; ASSERT(VALID_INSTR(real_I)); + + if (IS_TRACED_FL(c_p, F_TRACE_CALLS) && !(bdt->pause)) { + if ( (*(c_p->cp) == (BeamInstr) OpCode(i_return_time_trace)) || + (*(c_p->cp) == (BeamInstr) OpCode(return_trace)) || + (*(c_p->cp) == (BeamInstr) OpCode(i_return_to_trace))) { + /* This _IS_ a tail recursive call */ + SWAPOUT; + erts_trace_time_break(c_p, I, bdt, ERTS_BP_CALL_TIME_TAIL_CALL); + SWAPIN; + } else { + SWAPOUT; + erts_trace_time_break(c_p, I, bdt, ERTS_BP_CALL_TIME_CALL); + + /* r register needs to be copied to the array + * for the garbage collector + */ + ASSERT(c_p->htop <= E && E <= c_p->hend); + if (E - 2 < HTOP) { + reg[0] = r(0); + PROCESS_MAIN_CHK_LOCKS(c_p); + FCALLS -= erts_garbage_collect(c_p, 2, reg, I[-1]); + PROCESS_MAIN_CHK_LOCKS(c_p); + r(0) = reg[0]; + } + SWAPIN; + + ASSERT(c_p->htop <= E && E <= c_p->hend); + + E -= 2; + E[0] = make_cp(I); + E[1] = make_cp(c_p->cp); /* original return address */ + c_p->cp = beam_return_time_trace; + } + } + Goto(real_I); } + OpCase(i_return_time_trace): { + BeamInstr *pc = (BeamInstr *) (UWord) E[0]; + SWAPOUT; + erts_trace_time_break(c_p, pc, NULL, ERTS_BP_CALL_TIME_RETURN); + SWAPIN; + c_p->cp = NULL; + SET_I((BeamInstr *) cp_val(E[1])); + E += 2; + Goto(*I); + } + OpCase(i_trace_breakpoint): if (! IS_TRACED_FL(c_p, F_TRACE_CALLS)) { BeamInstr real_I; - ErtsBreakSkip((BeamInstr *) I, &real_I); + ErtsBreakSkip(c_p, (BeamInstr *) I, &real_I); Goto(real_I); } /* Fall through to next case */ OpCase(i_mtrace_breakpoint): { - Uint real_I; + BeamInstr real_I; Uint32 flags; Eterm tracer_pid; - Uint *cpp; + Uint* cpp; int return_to_trace = 0, need = 0; flags = 0; SWAPOUT; reg[0] = r(0); if (*(c_p->cp) == (BeamInstr) OpCode(return_trace)) { - cpp = (Uint*)&E[2]; - } else if (*(c_p->cp) - == (BeamInstr) OpCode(i_return_to_trace)) { + cpp = &E[2]; + } else if (*(c_p->cp) == (BeamInstr) OpCode(i_return_to_trace)) { + return_to_trace = !0; + cpp = &E[0]; + } else if (*(c_p->cp) == (BeamInstr) OpCode(i_return_time_trace)) { return_to_trace = !0; - cpp = (Uint*)&E[0]; + cpp = &E[0]; } else { cpp = NULL; } @@ -4383,6 +4761,8 @@ apply_bif_or_nif_epilogue: } else if (*cp_val(*cpp) == (BeamInstr) OpCode(i_return_to_trace)) { return_to_trace = !0; cpp += 1; + } else if (*cp_val(*cpp) == (BeamInstr) OpCode(i_return_time_trace)) { + cpp += 2; } else break; } @@ -4581,7 +4961,7 @@ apply_bif_or_nif_epilogue: NextPF(2, next); } - OpCase(fmove_new_ld): { + OpCase(fmove_ld): { Eterm fr = Arg(0); Eterm dest = make_float(HTOP); @@ -4611,11 +4991,6 @@ apply_bif_or_nif_epilogue: NextPF(2, next); } - /* - * Old allocating fmove. - */ - - #ifdef NO_FPE_SIGNALS OpCase(fclearerror): OpCase(i_fcheckerror): @@ -4747,7 +5122,7 @@ apply_bif_or_nif_epilogue: neg_o_reds = -c_p->def_arg_reg[4]; FCALLS = c_p->fcalls; SWAPIN; - switch( c_p->def_arg_reg[3] ) { /* XXX:PaN - Halfword wont work with hipe yet... */ + switch( c_p->def_arg_reg[3] ) { /* Halfword wont work with hipe yet! */ case HIPE_MODE_SWITCH_RES_RETURN: ASSERT(is_value(reg[0])); MoveReturn(reg[0], r(0)); @@ -4827,12 +5202,11 @@ apply_bif_or_nif_epilogue: OpCase(i_debug_breakpoint): { SWAPOUT; reg[0] = r(0); - tmp_arg1 = call_breakpoint_handler(c_p, I-3, reg); + I = call_error_handler(c_p, I-3, reg, am_breakpoint); r(0) = reg[0]; SWAPIN; - if (tmp_arg1) { - SET_I(c_p->i); - Dispatch(); + if (I) { + Goto(*I); } goto no_error_handler; } @@ -4892,13 +5266,15 @@ apply_bif_or_nif_epilogue: em_call_error_handler = OpCode(call_error_handler); em_call_traced_function = OpCode(call_traced_function); em_apply_bif = OpCode(apply_bif); - beam_apply[0] = (BeamInstr) OpCode(i_apply); - beam_apply[1] = (BeamInstr) OpCode(normal_exit); - beam_exit[0] = (BeamInstr) OpCode(error_action_code); - beam_continue_exit[0] = (BeamInstr) OpCode(continue_exit); - beam_return_to_trace[0] = (BeamInstr) OpCode(i_return_to_trace); - beam_return_trace[0] = (BeamInstr) OpCode(return_trace); - beam_exception_trace[0] = (BeamInstr) OpCode(return_trace); /* UGLY */ + + beam_apply[0] = (BeamInstr) OpCode(i_apply); + beam_apply[1] = (BeamInstr) OpCode(normal_exit); + beam_exit[0] = (BeamInstr) OpCode(error_action_code); + beam_continue_exit[0] = (BeamInstr) OpCode(continue_exit); + beam_return_to_trace[0] = (BeamInstr) OpCode(i_return_to_trace); + beam_return_trace[0] = (BeamInstr) OpCode(return_trace); + beam_exception_trace[0] = (BeamInstr) OpCode(return_trace); /* UGLY */ + beam_return_time_trace[0] = (BeamInstr) OpCode(i_return_time_trace); /* * Enter all BIFs into the export table. @@ -4910,6 +5286,8 @@ apply_bif_or_nif_epilogue: bif_export[i] = ep; 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); } return; @@ -4954,6 +5332,10 @@ translate_gc_bif(void* gcf) return round_1; } else if (gcf == erts_gc_trunc_1) { return round_1; + } else if (gcf == erts_gc_binary_part_2) { + return binary_part_2; + } else if (gcf == erts_gc_binary_part_3) { + return binary_part_3; } else { erl_exit(1, "bad gc bif"); } @@ -5098,14 +5480,18 @@ next_catch(Process* c_p, Eterm *reg) { int active_catches = c_p->catches > 0; int have_return_to_trace = 0; Eterm *ptr, *prev, *return_to_trace_ptr = NULL; - BeamInstr i_return_trace = beam_return_trace[0]; - BeamInstr i_return_to_trace = beam_return_to_trace[0]; + + BeamInstr i_return_trace = beam_return_trace[0]; + BeamInstr i_return_to_trace = beam_return_to_trace[0]; + BeamInstr i_return_time_trace = beam_return_time_trace[0]; + ptr = prev = c_p->stop; ASSERT(is_CP(*ptr)); ASSERT(ptr <= STACK_START(c_p)); if (ptr == STACK_START(c_p)) return NULL; if ((is_not_CP(*ptr) || (*cp_val(*ptr) != i_return_trace && - *cp_val(*ptr) != i_return_to_trace)) + *cp_val(*ptr) != i_return_to_trace && + *cp_val(*ptr) != i_return_time_trace )) && c_p->cp) { /* Can not follow cp here - code may be unloaded */ BeamInstr *cpp = c_p->cp; @@ -5117,6 +5503,9 @@ next_catch(Process* c_p, Eterm *reg) { } else if (cpp == beam_return_trace) { /* Skip return_trace parameters */ ptr += 2; + } else if (cpp == beam_return_time_trace) { + /* Skip return_trace parameters */ + ptr += 1; } else if (cpp == beam_return_to_trace) { have_return_to_trace = !0; /* Record next cp */ } @@ -5146,6 +5535,13 @@ next_catch(Process* c_p, Eterm *reg) { } have_return_to_trace = !0; /* Record next cp */ return_to_trace_ptr = NULL; + } else if (*cp_val(*prev) == i_return_time_trace) { + /* Skip stack frame variables */ + while (++ptr, ptr < STACK_START(c_p) && is_not_CP(*ptr)) { + if (is_catch(*ptr) && active_catches) goto found_catch; + } + /* Skip return_trace parameters */ + ptr += 1; } else { if (have_return_to_trace) { /* Record this cp as possible return_to trace cp */ @@ -5560,8 +5956,8 @@ build_stacktrace(Process* c_p, Eterm exc) { } -static Eterm -call_error_handler(Process* p, BeamInstr* fi, Eterm* reg) +static BeamInstr* +call_error_handler(Process* p, BeamInstr* fi, Eterm* reg, Eterm func) { Eterm* hp; Export* ep; @@ -5573,14 +5969,12 @@ call_error_handler(Process* p, BeamInstr* fi, Eterm* reg) /* * Search for the error_handler module. */ - ep = erts_find_function(erts_proc_get_error_handler(p), - am_undefined_function, 3); + ep = erts_find_function(erts_proc_get_error_handler(p), func, 3); if (ep == NULL) { /* No error handler */ p->current = fi; p->freason = EXC_UNDEF; return 0; } - p->i = ep->address; /* * Create a list with all arguments in the x registers. @@ -5600,63 +5994,14 @@ call_error_handler(Process* p, BeamInstr* fi, Eterm* reg) } /* - * Set up registers for call to error_handler:undefined_function/3. + * Set up registers for call to error_handler:<func>/3. */ reg[0] = fi[0]; reg[1] = fi[1]; reg[2] = args; - return 1; -} - -static Eterm -call_breakpoint_handler(Process* p, BeamInstr* fi, Eterm* reg) -{ - Eterm* hp; - Export* ep; - int arity; - Eterm args; - Uint sz; - int i; - - /* - * Search for error handler module. - */ - ep = erts_find_function(erts_proc_get_error_handler(p), - am_breakpoint, 3); - if (ep == NULL) { /* No error handler */ - p->current = fi; - p->freason = EXC_UNDEF; - return 0; - } - p->i = ep->address; - - /* - * Create a list with all arguments in the x registers. - */ - - arity = fi[2]; - sz = 2 * arity; - if (HeapWordsLeft(p) < sz) { - erts_garbage_collect(p, sz, reg, arity); - } - hp = HEAP_TOP(p); - HEAP_TOP(p) += sz; - args = NIL; - for (i = arity-1; i >= 0; i--) { - args = CONS(hp, reg[i], args); - hp += 2; - } - - /* - * Set up registers for call to error_handler:breakpoint/3. - */ - reg[0] = fi[0]; - reg[1] = fi[1]; - reg[2] = args; - return 1; + return ep->address; } - static Export* apply_setup_error_handler(Process* p, Eterm module, Eterm function, Uint arity, Eterm* reg) @@ -6159,8 +6504,8 @@ new_fun(Process* p, Eterm* reg, ErlFunEntry* fe, int num_free) erts_refc_inc(&fe->refc, 2); funp->thing_word = HEADER_FUN; #ifndef HYBRID /* FIND ME! */ - funp->next = MSO(p).funs; - MSO(p).funs = funp; + funp->next = MSO(p).first; + MSO(p).first = (struct erl_off_heap_header*) funp; #endif funp->fe = fe; funp->num_free = num_free; |