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-rw-r--r--erts/doc/src/erl_ext_dist.xml251
-rw-r--r--erts/doc/src/notes.xml40
-rw-r--r--erts/emulator/beam/beam_debug.c16
-rw-r--r--erts/emulator/beam/bif.tab1
-rw-r--r--erts/emulator/beam/break.c8
-rw-r--r--erts/emulator/beam/bs_instrs.tab2
-rw-r--r--erts/emulator/beam/instrs.tab2
-rw-r--r--erts/emulator/beam/macros.tab15
-rw-r--r--erts/emulator/test/Makefile8
-rw-r--r--erts/emulator/test/bs_construct_SUITE.erl86
-rw-r--r--erts/emulator/test/bs_match_int_SUITE.erl71
-rw-r--r--erts/emulator/test/distribution_SUITE.erl20
-rw-r--r--erts/emulator/test/emulator_bench.spec1
-rw-r--r--erts/emulator/test/erts_debug_SUITE.erl15
-rw-r--r--erts/emulator/test/erts_test_utils.erl2
-rw-r--r--erts/emulator/test/fun_SUITE.erl2
-rw-r--r--erts/vsn.mk2
17 files changed, 341 insertions, 201 deletions
diff --git a/erts/doc/src/erl_ext_dist.xml b/erts/doc/src/erl_ext_dist.xml
index 6b7a6db943..a6bc44b8c8 100644
--- a/erts/doc/src/erl_ext_dist.xml
+++ b/erts/doc/src/erl_ext_dist.xml
@@ -381,44 +381,6 @@
</section>
<section>
- <marker id="REFERENCE_EXT"/>
- <title>REFERENCE_EXT</title>
- <table align="left">
- <row>
- <cell align="center">1</cell>
- <cell align="center">N</cell>
- <cell align="center">4</cell>
- <cell align="center">1</cell>
- </row>
- <row>
- <cell align="center"><c>101</c></cell>
- <cell align="center"><c>Node</c></cell>
- <cell align="center"><c>ID</c></cell>
- <cell align="center"><c>Creation</c></cell>
- </row>
- <tcaption>REFERENCE_EXT</tcaption></table>
- <p>
- Encodes a reference object (an object generated with
- <seealso marker="erlang#make_ref/0">erlang:make_ref/0</seealso>).
- The <c>Node</c> term is an encoded atom, that is,
- <seealso marker="#ATOM_UTF8_EXT"><c>ATOM_UTF8_EXT</c></seealso>,
- <seealso marker="#SMALL_ATOM_UTF8_EXT"><c>SMALL_ATOM_UTF8_EXT</c></seealso>, or
- <seealso marker="#ATOM_CACHE_REF"><c>ATOM_CACHE_REF</c></seealso>.
- The <c>ID</c> field contains a big-endian unsigned integer,
- but <em>is to be regarded as uninterpreted data</em>,
- as this field is node-specific.
- <c>Creation</c> is a byte containing a node serial number, which
- makes it possible to separate old (crashed) nodes from a new one.
- </p>
- <p>
- In <c>ID</c>, only 18 bits are significant; the rest are to be 0.
- In <c>Creation</c>, only two bits are significant; the rest are to be 0.
- See <seealso marker="#NEW_REFERENCE_EXT">
- <c>NEW_REFERENCE_EXT</c></seealso>.
- </p>
- </section>
-
- <section>
<marker id="PORT_EXT"/>
<title>PORT_EXT</title>
<table align="left">
@@ -436,13 +398,46 @@
</row>
<tcaption>PORT_EXT</tcaption></table>
<p>
- Encodes a port object (obtained from
- <seealso marker="erlang#open_port/2">
- <c>erlang:open_port/2</c></seealso>).
- The <c>ID</c> is a node-specific identifier for a local port.
+ Same as <seealso marker="#NEW_PORT_EXT"><c>NEW_PORT_EXT</c></seealso>
+ except the <c>Creation</c> field is only one byte and only two
+ bits are significant, the rest are to be 0.
+ </p>
+ </section>
+
+ <section>
+ <marker id="NEW_PORT_EXT"/>
+ <title>NEW_PORT_EXT</title>
+ <table align="left">
+ <row>
+ <cell align="center">1</cell>
+ <cell align="center">N</cell>
+ <cell align="center">4</cell>
+ <cell align="center">4</cell>
+ </row>
+ <row>
+ <cell align="center"><c>89</c></cell>
+ <cell align="center"><c>Node</c></cell>
+ <cell align="center"><c>ID</c></cell>
+ <cell align="center"><c>Creation</c></cell>
+ </row>
+ <tcaption>NEW_PORT_EXT</tcaption></table>
+ <p>
+ Encodes a port identifier (obtained from
+ <seealso marker="erlang#open_port/2"><c>erlang:open_port/2</c></seealso>).
+ <c>Node</c> is an encoded atom, that is,
+ <seealso marker="#ATOM_UTF8_EXT"><c>ATOM_UTF8_EXT</c></seealso>,
+ <seealso marker="#SMALL_ATOM_UTF8_EXT"><c>SMALL_ATOM_UTF8_EXT</c></seealso>
+ or <seealso marker="#ATOM_CACHE_REF"><c>ATOM_CACHE_REF</c></seealso>.
+ <c>ID</c> is a 32-bit big endian unsigned integer. Only 28 bits are
+ significant; the rest are to be 0. The <c>Creation</c> works just like in
+ <seealso marker="#NEW_PID_EXT"><c>NEW_PID_EXT</c></seealso>.
Port operations are not allowed across node boundaries.
- The <c>Creation</c> works just like in
- <seealso marker="#REFERENCE_EXT"><c>REFERENCE_EXT</c></seealso>.
+ </p>
+ <p>Introduced in OTP 19, but only to be decoded and echoed back. Not
+ encoded for local ports. Planned to supersede <seealso marker="#PORT_EXT">
+ <c>PORT_EXT</c></seealso> in OTP 23 when
+ <seealso marker="erl_dist_protocol#dflags"><c>DFLAG_BIG_CREATON</c></seealso>
+ becomes mandatory.
</p>
</section>
@@ -466,12 +461,65 @@
</row>
<tcaption>PID_EXT</tcaption></table>
<p>
- Encodes a process identifier object (obtained from
- <seealso marker="erlang#spawn/3"><c>erlang:spawn/3</c></seealso> or
- friends). The <c>ID</c> and <c>Creation</c> fields works just like in
- <seealso marker="#REFERENCE_EXT"><c>REFERENCE_EXT</c></seealso>, while
- the <c>Serial</c> field is used to improve safety.
- In <c>ID</c>, only 15 bits are significant; the rest are to be 0.
+ Same as <seealso marker="#NEW_PID_EXT"><c>NEW_PID_EXT</c></seealso>
+ except the <c>Creation</c> field is only one byte and only two
+ bits are significant, the rest are to be 0.
+ </p>
+ </section>
+
+ <section>
+ <marker id="NEW_PID_EXT"/>
+ <title>NEW_PID_EXT</title>
+ <table align="left">
+ <row>
+ <cell align="center">1</cell>
+ <cell align="center">N</cell>
+ <cell align="center">4</cell>
+ <cell align="center">4</cell>
+ <cell align="center">4</cell>
+ </row>
+ <row>
+ <cell align="center"><c>88</c></cell>
+ <cell align="center"><c>Node</c></cell>
+ <cell align="center"><c>ID</c></cell>
+ <cell align="center"><c>Serial</c></cell>
+ <cell align="center"><c>Creation</c></cell>
+ </row>
+ <tcaption>NEW_PID_EXT</tcaption></table>
+ <p>
+ Encodes an Erlang process identifier object.
+ </p>
+ <taglist>
+ <tag><c>Node</c></tag>
+ <item><p>The name of the originating node, encoded using
+ <seealso marker="#ATOM_UTF8_EXT"><c>ATOM_UTF8_EXT</c></seealso>,
+ <seealso marker="#SMALL_ATOM_UTF8_EXT"><c>SMALL_ATOM_UTF8_EXT</c></seealso>
+ or <seealso
+ marker="#ATOM_CACHE_REF"><c>ATOM_CACHE_REF</c></seealso>.</p>
+ </item>
+ <tag><c>ID</c></tag>
+ <item><p>A 32-bit big endian unsigned integer. Only 15 bits are
+ significant; the rest are to be 0.</p>
+ </item>
+ <tag><c>Serial</c></tag>
+ <item><p>A 32-bit big endian unsigned integer. Only 13 bits are
+ significant; the rest are to be 0.</p>
+ </item>
+ <tag><c>Creation</c></tag>
+ <item><p>A 32-bit big endian unsigned integer. All identifiers
+ originating from the same node incarnation must have identical <c>Creation</c>
+ values. This makes it possible to separate identifiers from old
+ (crashed) nodes from a new one. The value zero should be avoided for
+ normal operations as it is used as a wild card for debug purpose
+ (like a pid returned by <seealso marker="erts:erlang#list_to_pid/1">
+ erlang:list_to_pid/1</seealso>).</p>
+ </item>
+ </taglist>
+ <p>Introduced in OTP 19, but only to be decoded and echoed back. Not
+ encoded for local processes. Planned to supersede <seealso marker="#PID_EXT">
+ <c>PID_EXT</c></seealso> in OTP 23 when
+ <seealso marker="erl_dist_protocol#dflags"><c>DFLAG_BIG_CREATON</c></seealso>
+ becomes mandatory.
</p>
</section>
@@ -695,6 +743,30 @@
</section>
<section>
+ <marker id="REFERENCE_EXT"/>
+ <title>REFERENCE_EXT (deprecated)</title>
+ <table align="left">
+ <row>
+ <cell align="center">1</cell>
+ <cell align="center">N</cell>
+ <cell align="center">4</cell>
+ <cell align="center">1</cell>
+ </row>
+ <row>
+ <cell align="center"><c>101</c></cell>
+ <cell align="center"><c>Node</c></cell>
+ <cell align="center"><c>ID</c></cell>
+ <cell align="center"><c>Creation</c></cell>
+ </row>
+ <tcaption>REFERENCE_EXT</tcaption></table>
+ <p>
+ The same as <seealso marker="#NEW_REFERENCE_EXT">
+ <c>NEW_REFERENCE_EXT</c></seealso> except <c>ID</c> is only one word
+ (<c>Len</c> = 1).
+ </p>
+ </section>
+
+ <section>
<marker id="NEW_REFERENCE_EXT"/>
<title>NEW_REFERENCE_EXT</title>
<table align="left">
@@ -714,29 +786,68 @@
</row>
<tcaption>NEW_REFERENCE_EXT</tcaption></table>
<p>
- <c>Node</c> and <c>Creation</c> are as in
- <seealso marker="#REFERENCE_EXT"><c>REFERENCE_EXT</c></seealso>.
- </p>
- <p>
- <c>ID</c> contains a sequence of big-endian unsigned integers
- (4 bytes each, so <c>N'</c> is a multiple of 4),
- but is to be regarded as uninterpreted data.
- </p>
- <p>
- <c>N'</c> = 4 * <c>Len</c>.
- </p>
- <p>
- In the first word (4 bytes) of <c>ID</c>, only 18 bits are
- significant, the rest are to be 0.
- In <c>Creation</c>, only two bits are significant,
- the rest are to be 0.
+ The same as <seealso marker="#NEWER_REFERENCE_EXT">
+ <c>NEWER_REFERENCE_EXT</c></seealso> <em>except</em>:
</p>
+ <taglist>
+ <tag><c>ID</c></tag>
+ <item><p>In the first word (4 bytes) of <c>ID</c>, only 18 bits are
+ significant, the rest must be 0.</p>
+ </item>
+ <tag><c>Creation</c></tag>
+ <item><p>Only one byte long and only two bits are significant, the rest must be 0.</p>
+ </item>
+ </taglist>
+ </section>
+
+ <section>
+ <marker id="NEWER_REFERENCE_EXT"/>
+ <title>NEWER_REFERENCE_EXT</title>
+ <table align="left">
+ <row>
+ <cell align="center">1</cell>
+ <cell align="center">2</cell>
+ <cell align="center">N</cell>
+ <cell align="center">4</cell>
+ <cell align="center">N'</cell>
+ </row>
+ <row>
+ <cell align="center"><c>90</c></cell>
+ <cell align="center"><c>Len</c></cell>
+ <cell align="center"><c>Node</c></cell>
+ <cell align="center"><c>Creation</c></cell>
+ <cell align="center"><c>ID ...</c></cell>
+ </row>
+ <tcaption>NEWER_REFERENCE_EXT</tcaption></table>
<p>
- <c>NEW_REFERENCE_EXT</c> was introduced with distribution version 4.
- In version 4, <c>N'</c> is to be at most 12.
+ Encodes a reference term generated with
+ <seealso marker="erts:erlang#make_ref/0">erlang:make_ref/0</seealso>.
</p>
- <p>
- See <seealso marker="#REFERENCE_EXT"><c>REFERENCE_EXT</c></seealso>.
+ <taglist>
+ <tag><c>Node</c></tag>
+ <item><p>The name of the originating node, encoded using
+ <seealso marker="#ATOM_UTF8_EXT"><c>ATOM_UTF8_EXT</c></seealso>,
+ <seealso marker="#SMALL_ATOM_UTF8_EXT"><c>SMALL_ATOM_UTF8_EXT</c></seealso>
+ or <seealso marker="#ATOM_CACHE_REF"><c>ATOM_CACHE_REF</c></seealso>.</p>
+ </item>
+ <tag><c>Len</c></tag>
+ <item><p>A 16-bit big endian unsigned integer not larger than 3.</p>
+ </item>
+ <tag><c>ID</c></tag>
+ <item><p>A sequence of <c>Len</c> big-endian unsigned integers
+ (4 bytes each, so <c>N'</c>&nbsp;=&nbsp;4&nbsp;*&nbsp;<c>Len</c>),
+ but is to be regarded as uninterpreted data.</p>
+ </item>
+ <tag><c>Creation</c></tag>
+ <item><p>Works just like in
+ <seealso marker="#NEW_PID_EXT"><c>NEW_PID_EXT</c></seealso>.</p>
+ </item>
+ </taglist>
+ <p>Introduced in OTP 19, but only to be decoded and echoed back. Not
+ encoded for local references. Planned to supersede <seealso marker="#NEW_REFERENCE_EXT">
+ <c>NEW_REFERENCE_EXT</c></seealso> in OTP 23 when
+ <seealso marker="erl_dist_protocol#dflags"><c>DFLAG_BIG_CREATON</c></seealso>
+ becomes mandatory.
</p>
</section>
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index 13cd4129ac..fca01f0dd6 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -31,6 +31,46 @@
</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 10.3.4</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>Add missing documentation of new external tags
+ <c>NEW_PID</c>, <c>NEW_PORT</c> and
+ <c>NEWER_REFERENCE</c> introduced in OTP 19.</p> <p>These
+ new tags are planned to be "activated" in OTP 23 when
+ distribution capability flag <c>DFLAG_BIG_CREATION</c>
+ becomes mandatory. Older nodes (>= 19) are able to decode
+ these new tags and send them back to the new node. Nodes
+ older than OTP 23 will however never encode their own
+ local pids, ports and references using the new tags.</p>
+ <p>
+ Own Id: OTP-15766</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Erts 10.3.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix <c>erlang:open_port/2</c> with the <c>fd</c> option
+ to correctly cleanup the pollset when the port is closed.
+ Before this fix there would be error printouts sent to
+ logger when the same fd was reused in a new port.</p>
+ <p>
+ Own Id: OTP-15753 Aux Id: ERL-900 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 10.3.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index 762c5da9be..4d52435139 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -353,6 +353,22 @@ erts_debug_disassemble_1(BIF_ALIST_1)
return TUPLE3(hp, addr, bin, mfa);
}
+BIF_RETTYPE
+erts_debug_interpreter_size_0(BIF_ALIST_0)
+{
+ int i;
+ BeamInstr low, high;
+
+ low = high = (BeamInstr) process_main;
+ for (i = 0; i < NUM_SPECIFIC_OPS; i++) {
+ BeamInstr a = BeamOpCodeAddr(i);
+ if (a > high) {
+ high = a;
+ }
+ }
+ return erts_make_integer(high - low, BIF_P);
+}
+
void
dbg_bt(Process* p, Eterm* sp)
{
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 34a0be4f2d..db9c258cb7 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -437,6 +437,7 @@ bif erts_debug:set_internal_state/2
bif erts_debug:display/1
bif erts_debug:dist_ext_to_term/2
bif erts_debug:instructions/0
+bif erts_debug:interpreter_size/0
bif erts_debug:dirty_cpu/2
bif erts_debug:dirty_io/2
bif erts_debug:dirty/3
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 06d8c7cda8..80e871aaf6 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -394,8 +394,12 @@ print_process_info(fmtfn_t to, void *to_arg, Process *p, ErtsProcLocks orig_lock
erts_print(to, to_arg, "OldBinVHeap: %b64u\n", BIN_OLD_VHEAP(p));
erts_print(to, to_arg, "BinVHeap unused: %b64u\n",
BIN_VHEAP_SZ(p) - p->off_heap.overhead);
- erts_print(to, to_arg, "OldBinVHeap unused: %b64u\n",
- BIN_OLD_VHEAP_SZ(p) - BIN_OLD_VHEAP(p));
+ if (BIN_OLD_VHEAP_SZ(p) >= BIN_OLD_VHEAP(p)) {
+ erts_print(to, to_arg, "OldBinVHeap unused: %b64u\n",
+ BIN_OLD_VHEAP_SZ(p) - BIN_OLD_VHEAP(p));
+ } else {
+ erts_print(to, to_arg, "OldBinVHeap unused: overflow\n");
+ }
erts_print(to, to_arg, "Memory: %beu\n", erts_process_memory(p, !0));
if (garbing) {
diff --git a/erts/emulator/beam/bs_instrs.tab b/erts/emulator/beam/bs_instrs.tab
index 9cad2b03c5..bd1ad91e45 100644
--- a/erts/emulator/beam/bs_instrs.tab
+++ b/erts/emulator/beam/bs_instrs.tab
@@ -125,7 +125,7 @@ BS_GET_UNCHECKED_FIELD_SIZE(Bits, Unit, Fail, Dst) {
TEST_BIN_VHEAP(VNh, Nh, Live) {
Uint need = $Nh;
if (E - HTOP < need || MSO(c_p).overhead + $VNh >= BIN_VHEAP_SZ(c_p)) {
- SWAPOUT;
+ $GC_SWAPOUT();
PROCESS_MAIN_CHK_LOCKS(c_p);
FCALLS -= erts_garbage_collect_nobump(c_p, need, reg, $Live, FCALLS);
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
diff --git a/erts/emulator/beam/instrs.tab b/erts/emulator/beam/instrs.tab
index 692408e212..462ee77e6f 100644
--- a/erts/emulator/beam/instrs.tab
+++ b/erts/emulator/beam/instrs.tab
@@ -1001,7 +1001,7 @@ catch_end(Y) {
}
/* only x(2) is included in the rootset here */
if (E - HTOP < 3) {
- SWAPOUT;
+ $GC_SWAPOUT();
PROCESS_MAIN_CHK_LOCKS(c_p);
FCALLS -= erts_garbage_collect_nobump(c_p, 3, reg+2, 1, FCALLS);
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
diff --git a/erts/emulator/beam/macros.tab b/erts/emulator/beam/macros.tab
index 494fe8961e..1b5e5f66b0 100644
--- a/erts/emulator/beam/macros.tab
+++ b/erts/emulator/beam/macros.tab
@@ -63,10 +63,21 @@ JUMP(Fail) {
Goto(*I);
}
+GC_SWAPOUT() {
+ //
+ // Since a garbage collection is expensive anyway, we can afford
+ // to save the instruction counter so that the correct function will
+ // be pointed in the crash dump if the garbage collection fails
+ // because of insufficient memory.
+ //
+ SWAPOUT;
+ c_p->i = I;
+}
+
GC_TEST(Ns, Nh, Live) {
Uint need = $Nh + $Ns;
if (ERTS_UNLIKELY(E - HTOP < need)) {
- SWAPOUT;
+ $GC_SWAPOUT();
PROCESS_MAIN_CHK_LOCKS(c_p);
FCALLS -= erts_garbage_collect_nobump(c_p, need, reg, $Live, FCALLS);
ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p);
@@ -79,7 +90,7 @@ GC_TEST(Ns, Nh, Live) {
GC_TEST_PRESERVE(NeedHeap, Live, PreserveTerm) {
Uint need = $NeedHeap;
if (ERTS_UNLIKELY(E - HTOP < need)) {
- SWAPOUT;
+ $GC_SWAPOUT();
reg[$Live] = $PreserveTerm;
PROCESS_MAIN_CHK_LOCKS(c_p);
FCALLS -= erts_garbage_collect_nobump(c_p, need, reg, $Live+1, FCALLS);
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index 28775b6f02..019af2162f 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -207,14 +207,10 @@ ERL_COMPILE_FLAGS +=
# ----------------------------------------------------
make_emakefile: $(NO_OPT_ERL_FILES) $(NATIVE_ERL_FILES)
- # This special rule can be removed when communication with R7B nodes
- # is no longer supported.
- $(ERL_TOP)/make/make_emakefile $(ERL_COMPILE_FLAGS) +compressed -o$(EBIN) \
- '*_SUITE_make' > $(EMAKEFILE)
$(ERL_TOP)/make/make_emakefile $(ERL_COMPILE_FLAGS) +compressed -o$(EBIN) \
$(MODULES) >> $(EMAKEFILE)
- $(ERL_TOP)/make/make_emakefile +no_copt +no_postopt $(ERL_COMPILE_FLAGS) \
- -o$(EBIN) $(NO_OPT_MODULES) >> $(EMAKEFILE)
+ $(ERL_TOP)/make/make_emakefile +no_copt +no_postopt +no_ssa_opt +no_bsm_opt \
+ $(ERL_COMPILE_FLAGS) -o$(EBIN) $(NO_OPT_MODULES) >> $(EMAKEFILE)
$(ERL_TOP)/make/make_emakefile +native $(ERL_COMPILE_FLAGS) \
-o$(EBIN) $(NATIVE_MODULES) >> $(EMAKEFILE)
diff --git a/erts/emulator/test/bs_construct_SUITE.erl b/erts/emulator/test/bs_construct_SUITE.erl
index ad05cb3689..8fab4f5bc4 100644
--- a/erts/emulator/test/bs_construct_SUITE.erl
+++ b/erts/emulator/test/bs_construct_SUITE.erl
@@ -16,8 +16,6 @@
%% limitations under the License.
%%
%% %CopyrightEnd%
-%%
-%% Purpose : Common utilities used by several optimization passes.
%%
-module(bs_construct_SUITE).
@@ -27,9 +25,9 @@
test1/1, test2/1, test3/1, test4/1, test5/1, testf/1,
not_used/1, in_guard/1,
mem_leak/1, coerce_to_float/1, bjorn/1, append_empty_is_same/1,
- huge_float_field/1, huge_binary/1, system_limit/1, badarg/1,
+ huge_float_field/1, system_limit/1, badarg/1,
copy_writable_binary/1, kostis/1, dynamic/1, bs_add/1,
- otp_7422/1, zero_width/1, bad_append/1, bs_add_overflow/1]).
+ otp_7422/1, zero_width/1, bad_append/1, bs_append_overflow/1]).
-include_lib("common_test/include/ct.hrl").
@@ -40,9 +38,9 @@ suite() ->
all() ->
[test1, test2, test3, test4, test5, testf, not_used,
in_guard, mem_leak, coerce_to_float, bjorn, append_empty_is_same,
- huge_float_field, huge_binary, system_limit, badarg,
+ huge_float_field, system_limit, badarg,
copy_writable_binary, kostis, dynamic, bs_add, otp_7422, zero_width,
- bad_append, bs_add_overflow].
+ bad_append, bs_append_overflow].
init_per_suite(Config) ->
Config.
@@ -543,56 +541,6 @@ huge_float_field(Config) when is_list(Config) ->
huge_float_check({'EXIT',{system_limit,_}}) -> ok;
huge_float_check({'EXIT',{badarg,_}}) -> ok.
-huge_binary(Config) when is_list(Config) ->
- ct:timetrap({seconds, 60}),
- 16777216 = size(<<0:(id(1 bsl 26)),(-1):(id(1 bsl 26))>>),
- garbage_collect(),
- FreeMem = free_mem(),
- io:format("Free memory (Mb): ~p\n", [FreeMem]),
- {Shift,Return} = case free_mem() of
- undefined ->
- %% This test has to be inlined inside the case to
- %% use a literal Shift
- garbage_collect(),
- id(<<0:((1 bsl 32)-1)>>),
- {32,ok};
- Mb when Mb > 600 ->
- garbage_collect(),
- id(<<0:((1 bsl 32)-1)>>),
- {32,ok};
- Mb when Mb > 300 ->
- garbage_collect(),
- id(<<0:((1 bsl 31)-1)>>),
- {31,"Limit huge binaries to 256 Mb"};
- Mb when Mb > 200 ->
- garbage_collect(),
- id(<<0:((1 bsl 30)-1)>>),
- {30,"Limit huge binary to 128 Mb"};
- _ ->
- garbage_collect(),
- id(<<0:((1 bsl 29)-1)>>),
- {29,"Limit huge binary to 64 Mb"}
- end,
- garbage_collect(),
- id(<<0:((1 bsl Shift)-1)>>),
- garbage_collect(),
- id(<<0:(id((1 bsl Shift)-1))>>),
- garbage_collect(),
- case Return of
- ok -> ok;
- Comment -> {comment, Comment}
- end.
-
-%% Return the amount of free memory in Mb.
-free_mem() ->
- {ok,Apps} = application:ensure_all_started(os_mon),
- Mem = memsup:get_system_memory_data(),
- [ok = application:stop(App)||App <- Apps],
- case proplists:get_value(free_memory,Mem) of
- undefined -> undefined;
- Val -> Val div (1024*1024)
- end.
-
system_limit(Config) when is_list(Config) ->
WordSize = erlang:system_info(wordsize),
BitsPerWord = WordSize * 8,
@@ -904,33 +852,37 @@ append_unit_8(Bin) ->
append_unit_16(Bin) ->
<<Bin/binary-unit:16,0:1>>.
-%% Produce a large result of bs_add that, if cast to signed int, would overflow
-%% into a negative number that fits a smallnum.
-bs_add_overflow(_Config) ->
+%% Test that the bs_append instruction will correctly check for
+%% overflow by producing a binary whose total size would exceed the
+%% maximum allowed size for a binary on a 32-bit computer.
+
+bs_append_overflow(_Config) ->
Memsize = memsize(),
io:format("Memsize = ~w Bytes~n", [Memsize]),
case erlang:system_info(wordsize) of
8 ->
+ %% Not possible to test on a 64-bit computer.
{skip, "64-bit architecture"};
_ when Memsize < (2 bsl 30) ->
- {skip, "Less then 2 GB of memory"};
+ {skip, "Less than 2 GB of memory"};
4 ->
- {'EXIT', {system_limit, _}} = (catch bs_add_overflow_signed()),
- {'EXIT', {system_limit, _}} = (catch bs_add_overflow_unsigned()),
+ {'EXIT', {system_limit, _}} = (catch bs_append_overflow_signed()),
+ erlang:garbage_collect(),
+ {'EXIT', {system_limit, _}} = (catch bs_append_overflow_unsigned()),
+ erlang:garbage_collect(),
ok
end.
-bs_add_overflow_signed() ->
- %% Produce a large result of bs_add that, if cast to signed int, would
+bs_append_overflow_signed() ->
+ %% Produce a large binary that, if cast to signed int, would
%% overflow into a negative number that fits a smallnum.
Large = <<0:((1 bsl 30)-1)>>,
<<Large/bits, Large/bits, Large/bits, Large/bits,
Large/bits, Large/bits, Large/bits, Large/bits,
Large/bits>>.
-bs_add_overflow_unsigned() ->
- %% Produce a large result of bs_add that goes beyond the limit of an
- %% unsigned word. This used to succeed but produced an incorrect result
+bs_append_overflow_unsigned() ->
+ %% The following would succeed but would produce an incorrect result
%% where B =:= C!
A = <<0:((1 bsl 32)-8)>>,
B = <<2, 3>>,
diff --git a/erts/emulator/test/bs_match_int_SUITE.erl b/erts/emulator/test/bs_match_int_SUITE.erl
index e913dc98b0..454e55d017 100644
--- a/erts/emulator/test/bs_match_int_SUITE.erl
+++ b/erts/emulator/test/bs_match_int_SUITE.erl
@@ -234,34 +234,49 @@ mml_choose(<<_A:8>>) -> single_byte_binary;
mml_choose(<<_A:8,_T/binary>>) -> multi_byte_binary.
match_huge_int(Config) when is_list(Config) ->
- Sz = 1 bsl 27,
- Bin = <<0:Sz,13:8>>,
- skip_huge_int_1(Sz, Bin),
- 0 = match_huge_int_1(Sz, Bin),
-
- %% Test overflowing the size of an integer field.
- nomatch = overflow_huge_int_skip_32(Bin),
- case erlang:system_info(wordsize) of
- 4 ->
- nomatch = overflow_huge_int_32(Bin);
- 8 ->
- %% An attempt will be made to allocate heap space for
- %% the bignum (which will probably fail); only if the
- %% allocation succeeds will the matching fail because
- %% the binary is too small.
- ok
- end,
- nomatch = overflow_huge_int_skip_64(Bin),
- nomatch = overflow_huge_int_64(Bin),
-
- %% Test overflowing the size of an integer field using variables as sizes.
- Sizes = case erlang:system_info(wordsize) of
- 4 -> lists:seq(25, 32);
- 8 -> []
- end ++ lists:seq(50, 64),
- ok = overflow_huge_int_unit128(Bin, Sizes),
-
- ok.
+ case ?MODULE of
+ bs_match_int_no_opt_SUITE ->
+ %% This test case is written with the assumption that
+ %% bs_skip2 instructions are used when the value of the
+ %% extracted segment will not be used. In OTP 21 and earlier, that
+ %% assumption was always true, because the bs_skip optimization
+ %% was included in v3_codegen and could not be disabled.
+ %% In OTP 22, the bs_skip optimization is done by beam_ssa_opt
+ %% and is disabled.
+ %%
+ %% On memory-constrained computers, using bs_get_integer2
+ %% instructions may cause the runtime system to terminate
+ %% because of insufficient memory.
+ {skip, "unoptimized code would use too much memory"};
+ bs_match_int_SUITE ->
+ Sz = 1 bsl 27,
+ Bin = <<0:Sz,13:8>>,
+ skip_huge_int_1(Sz, Bin),
+ 0 = match_huge_int_1(Sz, Bin),
+
+ %% Test overflowing the size of an integer field.
+ nomatch = overflow_huge_int_skip_32(Bin),
+ case erlang:system_info(wordsize) of
+ 4 ->
+ nomatch = overflow_huge_int_32(Bin);
+ 8 ->
+ %% An attempt will be made to allocate heap space for
+ %% the bignum (which will probably fail); only if the
+ %% allocation succeeds will the matching fail because
+ %% the binary is too small.
+ ok
+ end,
+ nomatch = overflow_huge_int_skip_64(Bin),
+ nomatch = overflow_huge_int_64(Bin),
+
+ %% Test overflowing the size of an integer field using
+ %% variables as sizes.
+ Sizes = case erlang:system_info(wordsize) of
+ 4 -> lists:seq(25, 32);
+ 8 -> []
+ end ++ lists:seq(50, 64),
+ ok = overflow_huge_int_unit128(Bin, Sizes)
+ end.
overflow_huge_int_unit128(Bin, [Sz0|Sizes]) ->
Sz = id(1 bsl Sz0),
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl
index 58194cf167..6e31c73e10 100644
--- a/erts/emulator/test/distribution_SUITE.erl
+++ b/erts/emulator/test/distribution_SUITE.erl
@@ -19,7 +19,6 @@
%%
-module(distribution_SUITE).
--compile(r16).
-define(VERSION_MAGIC, 131).
@@ -55,7 +54,6 @@
dist_parallel_send/1,
atom_roundtrip/1,
unicode_atom_roundtrip/1,
- atom_roundtrip_r16b/1,
contended_atom_cache_entry/1,
contended_unicode_atom_cache_entry/1,
bad_dist_structure/1,
@@ -95,7 +93,6 @@ all() ->
ref_port_roundtrip, nil_roundtrip, stop_dist,
{group, trap_bif}, {group, dist_auto_connect},
dist_parallel_send, atom_roundtrip, unicode_atom_roundtrip,
- atom_roundtrip_r16b,
contended_atom_cache_entry, contended_unicode_atom_cache_entry,
{group, message_latency},
{group, bad_dist}, {group, bad_dist_ext},
@@ -1158,23 +1155,6 @@ atom_roundtrip(Config) when is_list(Config) ->
stop_node(Node),
ok.
-atom_roundtrip_r16b(Config) when is_list(Config) ->
- case test_server:is_release_available("r16b") of
- true ->
- ct:timetrap({minutes, 6}),
- AtomData = unicode_atom_data(),
- verify_atom_data(AtomData),
- case start_node(Config, [], "r16b") of
- {ok, Node} ->
- do_atom_roundtrip(Node, AtomData),
- stop_node(Node);
- {error, timeout} ->
- {skip,"Unable to start OTP R16B release"}
- end;
- false ->
- {skip,"No OTP R16B available"}
- end.
-
unicode_atom_roundtrip(Config) when is_list(Config) ->
AtomData = unicode_atom_data(),
verify_atom_data(AtomData),
diff --git a/erts/emulator/test/emulator_bench.spec b/erts/emulator/test/emulator_bench.spec
index 2a180b440c..03638bfa23 100644
--- a/erts/emulator/test/emulator_bench.spec
+++ b/erts/emulator/test/emulator_bench.spec
@@ -1,2 +1,3 @@
{groups,"../emulator_test",estone_SUITE,[estone_bench]}.
{groups,"../emulator_test",binary_SUITE,[iolist_size_benchmarks]}.
+{groups,"../emulator_test",erts_debug_SUITE,[interpreter_size_bench]}.
diff --git a/erts/emulator/test/erts_debug_SUITE.erl b/erts/emulator/test/erts_debug_SUITE.erl
index f39dbedd8f..6798e3bf25 100644
--- a/erts/emulator/test/erts_debug_SUITE.erl
+++ b/erts/emulator/test/erts_debug_SUITE.erl
@@ -20,10 +20,12 @@
-module(erts_debug_SUITE).
-include_lib("common_test/include/ct.hrl").
+-include_lib("common_test/include/ct_event.hrl").
--export([all/0, suite/0,
+-export([all/0, suite/0, groups/0,
test_size/1,flat_size_big/1,df/1,term_type/1,
- instructions/1, stack_check/1, alloc_blocks_size/1]).
+ instructions/1, stack_check/1, alloc_blocks_size/1,
+ interpreter_size_bench/1]).
-export([do_alloc_blocks_size/0]).
@@ -35,6 +37,15 @@ all() ->
[test_size, flat_size_big, df, instructions, term_type,
stack_check, alloc_blocks_size].
+groups() ->
+ [{interpreter_size_bench, [], [interpreter_size_bench]}].
+
+interpreter_size_bench(_Config) ->
+ Size = erts_debug:interpreter_size(),
+ ct_event:notify(#event{name=benchmark_data,
+ data=[{value,Size}]}),
+ {comment,integer_to_list(Size)++" bytes"}.
+
test_size(Config) when is_list(Config) ->
ConsCell1 = id([a|b]),
ConsCell2 = id(ConsCell1),
diff --git a/erts/emulator/test/erts_test_utils.erl b/erts/emulator/test/erts_test_utils.erl
index e4e00a0a16..9c9eaa70ed 100644
--- a/erts/emulator/test/erts_test_utils.erl
+++ b/erts/emulator/test/erts_test_utils.erl
@@ -19,7 +19,7 @@
%%
-module(erts_test_utils).
--compile(r16).
+-compile(r20).
%%
%% THIS MODULE IS ALSO USED BY *OTHER* APPLICATIONS TEST CODE
diff --git a/erts/emulator/test/fun_SUITE.erl b/erts/emulator/test/fun_SUITE.erl
index 7f6caa08f1..2cbde621ce 100644
--- a/erts/emulator/test/fun_SUITE.erl
+++ b/erts/emulator/test/fun_SUITE.erl
@@ -513,6 +513,8 @@ refc(Config) when is_list(Config) ->
Other -> ct:fail({unexpected,Other})
end,
process_flag(trap_exit, false),
+ %% Wait to make sure that the process has terminated completely.
+ receive after 1 -> ok end,
{refc,3} = erlang:fun_info(F1, refc),
%% Garbage collect. Only the F2 fun will be left.
diff --git a/erts/vsn.mk b/erts/vsn.mk
index bce5ce4167..fafcdf3b28 100644
--- a/erts/vsn.mk
+++ b/erts/vsn.mk
@@ -18,7 +18,7 @@
# %CopyrightEnd%
#
-VSN = 10.3.2
+VSN = 10.3.4
# Port number 4365 in 4.2
# Port number 4366 in 4.3