diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/emulator/beam/beam_bif_load.c | 8 | ||||
-rw-r--r-- | erts/emulator/beam/erl_gc.c | 104 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_gc.c | 119 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_risc_gc.h | 13 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_stack.h | 3 | ||||
-rw-r--r-- | erts/emulator/hipe/hipe_x86_gc.h | 17 | ||||
-rw-r--r-- | erts/emulator/test/Makefile | 1 | ||||
-rw-r--r-- | erts/emulator/test/distribution_SUITE.erl | 101 | ||||
-rw-r--r-- | erts/emulator/test/hipe_SUITE.erl | 64 | ||||
-rw-r--r-- | erts/emulator/test/hipe_SUITE_data/literals.erl | 26 | ||||
-rw-r--r-- | erts/emulator/test/hipe_SUITE_data/ref_cell.erl | 64 |
11 files changed, 414 insertions, 106 deletions
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index 2a165bed00..37e74400bc 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -37,6 +37,10 @@ #include "erl_bits.h" #include "erl_thr_progress.h" +#ifdef HIPE +# include "hipe_stack.h" +#endif + static void set_default_trace_pattern(Eterm module); static Eterm check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls); static void delete_code(Module* modp); @@ -916,6 +920,10 @@ check_process_code(Process* rp, Module* modp, Uint flags, int *redsp, int fcalls } if (any_heap_ref_ptrs(rp->stop, rp->hend, literals, lit_bsize)) goto try_literal_gc; +#ifdef HIPE + if (nstack_any_heap_ref_ptrs(rp, literals, lit_bsize)) + goto try_literal_gc; +#endif if (any_heap_refs(rp->heap, rp->htop, literals, lit_bsize)) goto try_literal_gc; if (any_heap_refs(rp->old_heap, rp->old_htop, literals, lit_bsize)) diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index cddcc847a3..ef18a508a5 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -885,6 +885,58 @@ erts_garbage_collect_hibernate(Process* p) } +/* + * HiPE native code stack scanning procedures: + * - fullsweep_nstack() + * - gensweep_nstack() + * - offset_nstack() + * - sweep_literals_nstack() + */ +#if defined(HIPE) + +#define GENSWEEP_NSTACK(p,old_htop,n_htop) \ + do { \ + Eterm *tmp_old_htop = old_htop; \ + Eterm *tmp_n_htop = n_htop; \ + gensweep_nstack((p), &tmp_old_htop, &tmp_n_htop); \ + old_htop = tmp_old_htop; \ + n_htop = tmp_n_htop; \ + } while(0) + +/* + * offset_nstack() can ignore the descriptor-based traversal the other + * nstack procedures use and simply call offset_heap_ptr() instead. + * This relies on two facts: + * 1. The only live non-Erlang terms on an nstack are return addresses, + * and they will be skipped thanks to the low/high range check. + * 2. Dead values, even if mistaken for pointers into the low/high area, + * can be offset safely since they won't be dereferenced. + * + * XXX: WARNING: If HiPE starts storing other non-Erlang values on the + * nstack, such as floats, then this will have to be changed. + */ +static ERTS_INLINE void offset_nstack(Process* p, Sint offs, + char* area, Uint area_size) +{ + if (p->hipe.nstack) { + ASSERT(p->hipe.nsp && p->hipe.nstend); + offset_heap_ptr(hipe_nstack_start(p), hipe_nstack_used(p), + offs, area, area_size); + } + else { + ASSERT(!p->hipe.nsp && !p->hipe.nstend); + } +} + +#else /* !HIPE */ + +#define fullsweep_nstack(p,n_htop) (n_htop) +#define GENSWEEP_NSTACK(p,old_htop,n_htop) do{}while(0) +#define offset_nstack(p,offs,area,area_size) do{}while(0) +#define sweep_literals_nstack(p,old_htop,area,area_size) (old_htop) + +#endif /* HIPE */ + void erts_garbage_collect_literals(Process* p, Eterm* literals, Uint byte_lit_size, @@ -947,7 +999,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals, area_size = byte_lit_size; n = setup_rootset(p, p->arg_reg, p->arity, &rootset); roots = rootset.roots; - old_htop = p->old_htop; + old_htop = sweep_literals_nstack(p, p->old_htop, area, area_size); while (n--) { Eterm* g_ptr = roots->v; Uint g_sz = roots->sz; @@ -1214,56 +1266,6 @@ minor_collection(Process* p, ErlHeapFragment *live_hf_end, return -1; } -/* - * HiPE native code stack scanning procedures: - * - fullsweep_nstack() - * - gensweep_nstack() - * - offset_nstack() - */ -#if defined(HIPE) - -#define GENSWEEP_NSTACK(p,old_htop,n_htop) \ - do { \ - Eterm *tmp_old_htop = old_htop; \ - Eterm *tmp_n_htop = n_htop; \ - gensweep_nstack((p), &tmp_old_htop, &tmp_n_htop); \ - old_htop = tmp_old_htop; \ - n_htop = tmp_n_htop; \ - } while(0) - -/* - * offset_nstack() can ignore the descriptor-based traversal the other - * nstack procedures use and simply call offset_heap_ptr() instead. - * This relies on two facts: - * 1. The only live non-Erlang terms on an nstack are return addresses, - * and they will be skipped thanks to the low/high range check. - * 2. Dead values, even if mistaken for pointers into the low/high area, - * can be offset safely since they won't be dereferenced. - * - * XXX: WARNING: If HiPE starts storing other non-Erlang values on the - * nstack, such as floats, then this will have to be changed. - */ -static ERTS_INLINE void offset_nstack(Process* p, Sint offs, - char* area, Uint area_size) -{ - if (p->hipe.nstack) { - ASSERT(p->hipe.nsp && p->hipe.nstend); - offset_heap_ptr(hipe_nstack_start(p), hipe_nstack_used(p), - offs, area, area_size); - } - else { - ASSERT(!p->hipe.nsp && !p->hipe.nstend); - } -} - -#else /* !HIPE */ - -#define fullsweep_nstack(p,n_htop) (n_htop) -#define GENSWEEP_NSTACK(p,old_htop,n_htop) do{}while(0) -#define offset_nstack(p,offs,area,area_size) do{}while(0) - -#endif /* HIPE */ - static void do_minor(Process *p, ErlHeapFragment *live_hf_end, char *mature, Uint mature_size, diff --git a/erts/emulator/hipe/hipe_gc.c b/erts/emulator/hipe/hipe_gc.c index 566c65882e..68c65dea27 100644 --- a/erts/emulator/hipe/hipe_gc.c +++ b/erts/emulator/hipe/hipe_gc.c @@ -237,3 +237,122 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop) } abort(); } + +Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area, + Uint area_size) +{ + /* known nstack walk state */ + Eterm *nsp; + Eterm *nsp_end; + const struct sdesc *sdesc; + /* arch-specific nstack walk state */ + struct nstack_walk_state walk_state; + + ASSERT(!p->hipe.gc_is_unsafe); + + if (!p->hipe.nstack) { + ASSERT(!p->hipe.nsp && !p->hipe.nstend); + return old_htop; + } + if (!nstack_walk_init_check(p)) + return old_htop; + + ASSERT(p->hipe.nsp && p->hipe.nstend); + nsp = nstack_walk_nsp_begin(p); + nsp_end = nstack_walk_nsp_end(p); + sdesc = nstack_walk_init_sdesc_ignore_trap(p, &walk_state); + + while (!nstack_walk_nsp_reached_end(nsp, nsp_end)) { + unsigned long ra; + unsigned sdesc_size = nstack_walk_frame_size(sdesc); + unsigned i = 0; + unsigned mask = sdesc->livebits[0]; + for (;;) { + if (mask & 1) { + Eterm *nsp_i = nstack_walk_frame_index(nsp, i); + Eterm gval = *nsp_i; + if (is_boxed(gval)) { + Eterm *ptr = boxed_val(gval); + Eterm val = *ptr; + if (IS_MOVED_BOXED(val)) { + ASSERT(is_boxed(val)); + *nsp_i = val; + } else if (ErtsInArea(ptr, area, area_size)) { + MOVE_BOXED(ptr, val, old_htop, nsp_i); + } + } else if (is_list(gval)) { + Eterm *ptr = list_val(gval); + Eterm val = *ptr; + if (IS_MOVED_CONS(val)) { + *nsp_i = ptr[1]; + } else if (ErtsInArea(ptr, area, area_size)) { + MOVE_CONS(ptr, val, old_htop, nsp_i); + } + } + } + if (++i >= sdesc_size) + break; + if (i & 31) + mask >>= 1; + else + mask = sdesc->livebits[i >> 5]; + } + ra = nstack_walk_frame_ra(nsp, sdesc); + if (ra == (unsigned long)nbif_stack_trap_ra) + ra = (unsigned long)p->hipe.ngra; + sdesc = hipe_find_sdesc(ra); + nsp = nstack_walk_next_frame(nsp, sdesc_size); + } + return old_htop; +} + +int +nstack_any_heap_ref_ptrs(Process *rp, char* mod_start, Uint mod_size) +{ + Eterm *nsp; + Eterm *nsp_end; + const struct sdesc *sdesc; + /* arch-specific nstack walk state */ + struct nstack_walk_state walk_state; + + ASSERT(!rp->hipe.gc_is_unsafe); + + if (!rp->hipe.nstack || !nstack_walk_init_check(rp)) return 0; + ASSERT(rp->hipe.nsp && rp->hipe.nstend); + nsp = nstack_walk_nsp_begin(rp); + nsp_end = nstack_walk_nsp_end(rp); + sdesc = nstack_walk_init_sdesc_ignore_trap(rp, &walk_state); + + while (!nstack_walk_nsp_reached_end(nsp, nsp_end)) { + unsigned long ra; + unsigned sdesc_size = nstack_walk_frame_size(sdesc); + unsigned i = 0; + unsigned mask = sdesc->livebits[0]; + for (;;) { + if (mask & 1) { + Eterm *nsp_i = nstack_walk_frame_index(nsp, i); + Eterm val = *nsp_i; + switch (primary_tag(val)) { + case TAG_PRIMARY_BOXED: + case TAG_PRIMARY_LIST: + if (ErtsInArea(val, mod_start, mod_size)) { + return 1; + } + break; + } + } + if (++i >= sdesc_size) + break; + if (i & 31) + mask >>= 1; + else + mask = sdesc->livebits[i >> 5]; + } + ra = nstack_walk_frame_ra(nsp, sdesc); + if (ra == (unsigned long)nbif_stack_trap_ra) + ra = (unsigned long)rp->hipe.ngra; + sdesc = hipe_find_sdesc(ra); + nsp = nstack_walk_next_frame(nsp, sdesc_size); + } + return 0; +} diff --git a/erts/emulator/hipe/hipe_risc_gc.h b/erts/emulator/hipe/hipe_risc_gc.h index 315f8e7f9f..09568c140e 100644 --- a/erts/emulator/hipe/hipe_risc_gc.h +++ b/erts/emulator/hipe/hipe_risc_gc.h @@ -51,6 +51,19 @@ nstack_walk_init_sdesc(const Process *p, struct nstack_walk_state *state) return sdesc; } +static inline const struct sdesc* +nstack_walk_init_sdesc_ignore_trap(const Process *p, + struct nstack_walk_state *state) +{ + unsigned long ra = (unsigned long)p->hipe.nra; + const struct sdesc *sdesc; + if (ra == (unsigned long)&nbif_stack_trap_ra) + ra = (unsigned long)p->hipe.ngra; + sdesc = hipe_find_sdesc(ra); + state->sdesc0 = sdesc; + return sdesc; +} + static inline void nstack_walk_update_trap(Process *p, const struct sdesc *sdesc0) { Eterm *nsp = p->hipe.nsp; diff --git a/erts/emulator/hipe/hipe_stack.h b/erts/emulator/hipe/hipe_stack.h index 4ea7d5c031..afa0ed4256 100644 --- a/erts/emulator/hipe/hipe_stack.h +++ b/erts/emulator/hipe/hipe_stack.h @@ -131,5 +131,8 @@ static __inline__ void hipe_check_nstack(Process *p, unsigned nwords) */ extern Eterm *fullsweep_nstack(Process *p, Eterm *n_htop); extern void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop); +extern Eterm *sweep_literals_nstack(Process *p, Eterm *n_htop, char *area, + Uint area_size); +extern int nstack_any_heap_ref_ptrs(Process *, char* mod_start, Uint mod_size); #endif /* HIPE_STACK_H */ diff --git a/erts/emulator/hipe/hipe_x86_gc.h b/erts/emulator/hipe/hipe_x86_gc.h index c22b28c2d5..00fe03d8f9 100644 --- a/erts/emulator/hipe/hipe_x86_gc.h +++ b/erts/emulator/hipe/hipe_x86_gc.h @@ -81,6 +81,23 @@ nstack_walk_init_sdesc(const Process *p, struct nstack_walk_state *state) #endif } +static inline const struct sdesc* +nstack_walk_init_sdesc_ignore_trap(const Process *p, + struct nstack_walk_state *state) +{ +#ifdef SKIP_YOUNGEST_FRAME + unsigned long ra = p->hipe.nsp[0]; + const struct sdesc *sdesc; + if (ra == (unsigned long)nbif_stack_trap_ra) + ra = (unsigned long)p->hipe.ngra; + sdesc = hipe_find_sdesc(ra); + state->sdesc0 = sdesc; + return sdesc; +#else + return nstack_walk_init_sdesc(p, state); +#endif +} + static inline void nstack_walk_update_trap(Process *p, const struct sdesc *sdesc0) { #ifdef SKIP_YOUNGEST_FRAME diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile index b580211eff..2e48c475d5 100644 --- a/erts/emulator/test/Makefile +++ b/erts/emulator/test/Makefile @@ -70,6 +70,7 @@ MODULES= \ guard_SUITE \ hash_SUITE \ hibernate_SUITE \ + hipe_SUITE \ list_bif_SUITE \ lttng_SUITE \ map_SUITE \ diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl index c6939a695d..159fbc806b 100644 --- a/erts/emulator/test/distribution_SUITE.erl +++ b/erts/emulator/test/distribution_SUITE.erl @@ -43,7 +43,7 @@ lost_exit/1, link_to_dead/1, link_to_dead_new_node/1, applied_monitor_node/1, ref_port_roundtrip/1, nil_roundtrip/1, trap_bif_1/1, trap_bif_2/1, trap_bif_3/1, - stop_dist/1, + stop_dist/1, dist_auto_connect_never/1, dist_auto_connect_once/1, dist_parallel_send/1, atom_roundtrip/1, @@ -66,13 +66,13 @@ sendersender/4, sendersender2/4]). %% epmd_module exports --export([start_link/0, register_node/2, port_please/2]). +-export([start_link/0, register_node/2, register_node/3, port_please/2]). suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap, {minutes, 4}}]. -all() -> +all() -> [ping, {group, bulk_send}, {group, local_send}, link_to_busy, exit_to_busy, lost_exit, link_to_dead, link_to_dead_new_node, applied_monitor_node, @@ -83,7 +83,7 @@ all() -> bad_dist_structure, {group, bad_dist_ext}, start_epmd_false, epmd_module]. -groups() -> +groups() -> [{bulk_send, [], [bulk_send_small, bulk_send_big, bulk_send_bigbig]}, {local_send, [], [local_send_small, local_send_big, local_send_legal]}, @@ -844,59 +844,50 @@ dist_auto_connect_once(Config) when is_list(Config) -> %% Result is sent here through relay node. dist_auto_connect_never(Config) when is_list(Config) -> Self = self(), - {ok, RelayNode} = - start_node(dist_auto_connect_relay), - spawn(RelayNode, + {ok, RelayNode} = start_node(dist_auto_connect_relay), + spawn(RelayNode, fun() -> register(dist_auto_connect_relay, self()), - dist_auto_connect_relay(Self) + dist_auto_connect_relay(Self) end), {ok, Handle} = dist_auto_connect_start(dist_auto_connect, never), - Result = - receive - {do_dist_auto_connect, ok} -> - ok; - {do_dist_auto_connect, Error} -> - {error, Error}; - Other -> - {error, Other} - after 32000 -> - timeout - end, + Result = receive + {do_dist_auto_connect, ok} -> + ok; + {do_dist_auto_connect, Error} -> + {error, Error}; + Other -> + {error, Other} + after 32000 -> + timeout + end, stop_node(RelayNode), - Stopped = dist_auto_connect_stop(Handle), - Junk = - receive - {do_dist_auto_connect, _} = J -> - J - after 0 -> - ok - end, + Stopped = dist_auto_connect_stop(Handle), + Junk = receive + {do_dist_auto_connect, _} = J -> J + after 0 -> ok + end, {ok, ok, ok} = {Result, Stopped, Junk}, ok. do_dist_auto_connect([never]) -> Node = list_to_atom("dist_auto_connect_relay@" ++ hostname()), - io:format("~p:do_dist_auto_connect([false]) Node=~p~n", - [?MODULE, Node]), + io:format("~p:do_dist_auto_connect([false]) Node=~p~n", [?MODULE, Node]), Ping = net_adm:ping(Node), - io:format("~p:do_dist_auto_connect([false]) Ping=~p~n", - [?MODULE, Ping]), + io:format("~p:do_dist_auto_connect([false]) Ping=~p~n", [?MODULE, Ping]), Result = case Ping of pang -> ok; _ -> {error, Ping} end, - io:format("~p:do_dist_auto_connect([false]) Result=~p~n", - [?MODULE, Result]), + io:format("~p:do_dist_auto_connect([false]) Result=~p~n", [?MODULE, Result]), net_kernel:connect_node(Node), catch {dist_auto_connect_relay, Node} ! {do_dist_auto_connect, Result}; % receive after 1000 -> ok end, % halt(); do_dist_auto_connect(Arg) -> - io:format("~p:do_dist_auto_connect(~p)~n", - [?MODULE, Arg]), + io:format("~p:do_dist_auto_connect(~p)~n", [?MODULE, Arg]), receive after 10000 -> ok end, halt(). @@ -912,11 +903,11 @@ dist_auto_connect_start(Name, Value) when is_list(Name), is_atom(Value) -> [%"xterm -e ", atom_to_list(lib:progname()), % " -noinput ", - " -detached ", + " -detached ", long_or_short(), " ", Name, " -setcookie ", Cookie, " -pa ", ModuleDir, - " -s ", atom_to_list(?MODULE), + " -s ", atom_to_list(?MODULE), " do_dist_auto_connect ", ValueStr, " -kernel dist_auto_connect ", ValueStr]), io:format("~p:dist_auto_connect_start() cmd: ~p~n", [?MODULE, Cmd]), @@ -947,7 +938,7 @@ dist_auto_connect_stop(Port, Node, Pid, N) when is_integer(N) -> end. -dist_auto_connect_relay(Parent) -> +dist_auto_connect_relay(Parent) -> receive X -> catch Parent ! X end, @@ -1321,7 +1312,7 @@ get_conflicting_unicode_atoms(CIX, N) -> start_monitor(Offender,P) -> Parent = self(), Q = spawn(Offender, - fun () -> + fun () -> Ref = erlang:monitor(process,P), Parent ! {self(),ref,Ref}, receive @@ -1458,8 +1449,8 @@ bad_dist_structure(Config) when is_list(Config) -> pong = rpc:call(Victim, net_adm, ping, [Offender]), P ! two, P ! check_msgs, - receive - {P, messages_checked} -> ok + receive + {P, messages_checked} -> ok after 5000 -> exit(victim_is_dead) end, @@ -1765,7 +1756,7 @@ send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) -> pong = net_adm:ping(Node), DPrt = dport(Node), Bad1 = case WhereToPutSelf of - 0 -> + 0 -> Bad; N when N > 0 -> setelement(N,Bad,self()) @@ -1779,8 +1770,8 @@ send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) -> port_command(DPrt, DData), Parent ! {DData,Done} end), - receive - {WhatSent,Done} -> + receive + {WhatSent,Done} -> io:format("Offender sent ~p~n",[WhatSent]), ok after 5000 -> @@ -1887,7 +1878,7 @@ dmsg_fake_hdr2() -> 1, size(A2), A2, 2, size(A3), A3]. -dmsg_ext(Term) -> +dmsg_ext(Term) -> <<131, Res/binary>> = term_to_binary(Term), Res. @@ -1934,7 +1925,9 @@ epmd_module(Config) when is_list(Config) -> start_link() -> ignore. -register_node(_Name, Port) -> +register_node(Name, Port) -> + register_node(Name, Port, inet_tcp). +register_node(_Name, Port, _Driver) -> %% Save the port number we're listening on. application:set_env(kernel, dist_listen_port, Port), Creation = rand:uniform(3), @@ -1972,7 +1965,7 @@ start_node(Name, Args, Rel) when is_atom(Name), is_list(Rel) -> [] -> []; _ -> [{erl,[{release,Rel}]}] end, - test_server:start_node(Name, slave, + test_server:start_node(Name, slave, [{args, Args++" -setcookie "++Cookie++" -pa \""++Pa++"\""} | RelArg]); @@ -2040,17 +2033,15 @@ inet_rpc_server_loop(Sock) -> start_relay_node(Node, Args) -> Pa = filename:dirname(code:which(?MODULE)), Cookie = "NOT"++atom_to_list(erlang:get_cookie()), - {ok, LSock} = gen_tcp:listen(0, [binary, {packet, 4}, - {active, false}]), + {ok, LSock} = gen_tcp:listen(0, [binary, {packet, 4}, {active, false}]), {ok, Port} = inet:port(LSock), {ok, Host} = inet:gethostname(), RunArg = "-run " ++ atom_to_list(?MODULE) ++ " inet_rpc_server " ++ Host ++ " " ++ integer_to_list(Port), - {ok, NN} = - test_server:start_node(Node, peer, - [{args, Args ++ - " -setcookie "++Cookie++" -pa "++Pa++" "++ - RunArg}]), + {ok, NN} = test_server:start_node(Node, peer, + [{args, Args ++ + " -setcookie "++Cookie++" -pa "++Pa++" "++ + RunArg}]), [N,H] = string:tokens(atom_to_list(NN),"@"), {ok, Sock} = gen_tcp:accept(LSock), pang = net_adm:ping(NN), @@ -2066,7 +2057,7 @@ wait_dead(N,H,0) -> wait_dead(N,H,X) -> case erl_epmd:port_please(N,H) of {port,_,_} -> - receive + receive after 1000 -> ok end, diff --git a/erts/emulator/test/hipe_SUITE.erl b/erts/emulator/test/hipe_SUITE.erl new file mode 100644 index 0000000000..3e682b8d88 --- /dev/null +++ b/erts/emulator/test/hipe_SUITE.erl @@ -0,0 +1,64 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2016. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +-module(hipe_SUITE). +-export([all/0, t_copy_literals/1]). + +all() -> + case erlang:system_info(hipe_architecture) of + undefined -> {skip, "HiPE is disabled"}; + _ -> [t_copy_literals] + end. + +t_copy_literals(doc) -> + "Check that BEAM literals referenced from HiPE stack are copied by" + " check_process_code"; +t_copy_literals(Config) when is_list(Config) -> + %% Compile the the ref_cell and literals modules. + Data = proplists:get_value(data_dir, Config), + Priv = proplists:get_value(priv_dir, Config), + RefFile = filename:join(Data, "ref_cell"), + {ok,ref_cell} = c:c(RefFile, [{outdir,Priv},native]), + true = code:is_module_native(ref_cell), + LitFile = filename:join(Data, "literals"), + {ok,literals} = c:c(LitFile, [{outdir,Priv}]), + + %% store references to literals on HiPE stacks + PA = ref_cell:start_link(), + ref_cell:call(PA, {put_res_of, fun literals:a/0}), + PB = ref_cell:start_link_deep(), + ref_cell:call(PB, {put_res_of, fun literals:b/0}), + + %% purge the literals + _ = (catch erlang:purge_module(literals)), + true = erlang:delete_module(literals), + true = erlang:purge_module(literals), + + %% check that the ex-literals are ok + [a,b,c] = ref_cell:call(PA, get), + {a,b,c} = ref_cell:call(PB, get), + + %% cleanup + ref_cell:call(PA, done), + ref_cell:call(PB, done), + _ = (catch erlang:purge_module(ref_cell)), + true = erlang:delete_module(ref_cell), + true = erlang:purge_module(ref_cell), + ok. diff --git a/erts/emulator/test/hipe_SUITE_data/literals.erl b/erts/emulator/test/hipe_SUITE_data/literals.erl new file mode 100644 index 0000000000..31e443970f --- /dev/null +++ b/erts/emulator/test/hipe_SUITE_data/literals.erl @@ -0,0 +1,26 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2016. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +-module(literals). + +-export([a/0, b/0]). + +a() -> [a,b,c]. +b() -> {a,b,c}. diff --git a/erts/emulator/test/hipe_SUITE_data/ref_cell.erl b/erts/emulator/test/hipe_SUITE_data/ref_cell.erl new file mode 100644 index 0000000000..2654e4077b --- /dev/null +++ b/erts/emulator/test/hipe_SUITE_data/ref_cell.erl @@ -0,0 +1,64 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2016. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +-module(ref_cell). + +-export([start_link/0, start_link_deep/0, call/2]). + +-compile(native). + +-define(DEPTH, 100). +-define(ALLOCS, 500). + +start_link() -> + spawn_link(fun() -> loop(undefined) end). + +start_link_deep() -> + spawn_link(fun() -> go_deep(?DEPTH) end). + +%% Create a stack large enough to get a graylimit trap placed next time there's +%% a minor gc. +go_deep(0) -> + alloc_some(?ALLOCS), + loop(undefined), + 0; +go_deep(Depth) -> + go_deep(Depth-1)+1. + +%% Do some allocation to trigger a minor gc +alloc_some(Amount) -> + Check = (Amount * (Amount + 1)) div 2, + Check = lists:sum(lists:seq(1, Amount)). + +call(Pid, Call) -> + Pid ! {Call, self()}, + receive {Pid, Res} -> Res end. + +loop(Thing) -> + receive + {done, Pid} -> Pid ! {self(), done}; + {{put_res_of, Fun}, Pid} -> + NewThing = Fun(), + Pid ! {self(), put}, + loop(NewThing); + {get, Pid} -> + Pid ! {self(), Thing}, + loop(Thing) + end. |