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-rw-r--r--erts/emulator/beam/beam_emu.c31
-rw-r--r--erts/emulator/beam/beam_load.c111
-rw-r--r--erts/emulator/beam/bif.tab38
-rw-r--r--erts/emulator/beam/global.h12
4 files changed, 61 insertions, 131 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 4716460a6b..c9fb5a3022 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -5428,31 +5428,14 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp)
static BifFunction
translate_gc_bif(void* gcf)
{
- if (gcf == erts_gc_length_1) {
- return length_1;
- } else if (gcf == erts_gc_size_1) {
- return size_1;
- } else if (gcf == erts_gc_bit_size_1) {
- return bit_size_1;
- } else if (gcf == erts_gc_byte_size_1) {
- return byte_size_1;
- } else if (gcf == erts_gc_map_size_1) {
- return map_size_1;
- } else if (gcf == erts_gc_abs_1) {
- return abs_1;
- } else if (gcf == erts_gc_float_1) {
- return float_1;
- } else if (gcf == erts_gc_round_1) {
- 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 {
- erts_exit(ERTS_ERROR_EXIT, "bad gc bif");
+ const ErtsGcBif* p;
+
+ for (p = erts_gc_bifs; p->bif != 0; p++) {
+ if (p->gc_bif == gcf) {
+ return p->bif;
+ }
}
+ erts_exit(ERTS_ERROR_EXIT, "bad gc bif");
}
/*
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 0c2743beb2..897b0f7e6a 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -4013,60 +4013,52 @@ gen_make_fun2(LoaderState* stp, GenOpArg idx)
op->next = NULL;
return op;
}
+
+static GenOp*
+translate_gc_bif(LoaderState* stp, GenOp* op, GenOpArg Bif)
+{
+ const ErtsGcBif* p;
+ BifFunction bf;
+
+ bf = stp->import[Bif.val].bf;
+ for (p = erts_gc_bifs; p->bif != 0; p++) {
+ if (p->bif == bf) {
+ op->a[1].type = TAG_u;
+ op->a[1].val = (BeamInstr) p->gc_bif;
+ return op;
+ }
+ }
+
+ op->op = genop_unsupported_guard_bif_3;
+ op->arity = 3;
+ op->a[0].type = TAG_a;
+ op->a[0].val = stp->import[Bif.val].module;
+ op->a[1].type = TAG_a;
+ op->a[1].val = stp->import[Bif.val].function;
+ op->a[2].type = TAG_u;
+ op->a[2].val = stp->import[Bif.val].arity;
+ return op;
+}
+
/*
- * Rewrite gc_bifs with one parameter (the common case). Utilized
- * in ops.tab to rewrite instructions calling bif's in guards
- * to use a garbage collecting implementation.
+ * Rewrite gc_bifs with one parameter (the common case).
*/
static GenOp*
gen_guard_bif1(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif,
GenOpArg Src, GenOpArg Dst)
{
GenOp* op;
- BifFunction bf;
NEW_GENOP(stp, op);
op->next = NULL;
- bf = stp->import[Bif.val].bf;
- /* The translations here need to have a reverse counterpart in
- beam_emu.c:translate_gc_bif for error handling to work properly. */
- if (bf == length_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_length_1;
- } else if (bf == size_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_size_1;
- } else if (bf == bit_size_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_bit_size_1;
- } else if (bf == byte_size_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_byte_size_1;
- } else if (bf == map_size_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_map_size_1;
- } else if (bf == abs_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_abs_1;
- } else if (bf == float_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_float_1;
- } else if (bf == round_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_round_1;
- } else if (bf == trunc_1) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_trunc_1;
- } else {
- op->op = genop_unsupported_guard_bif_3;
- op->arity = 3;
- op->a[0].type = TAG_a;
- op->a[0].val = stp->import[Bif.val].module;
- op->a[1].type = TAG_a;
- op->a[1].val = stp->import[Bif.val].function;
- op->a[2].type = TAG_u;
- op->a[2].val = stp->import[Bif.val].arity;
- return op;
- }
op->op = genop_i_gc_bif1_5;
op->arity = 5;
op->a[0] = Fail;
- op->a[1].type = TAG_u;
+ /* op->a[1] is set by translate_gc_bif() */
op->a[2] = Src;
op->a[3] = Live;
op->a[4] = Dst;
- return op;
+ return translate_gc_bif(stp, op, Bif);
}
/*
@@ -4077,35 +4069,18 @@ gen_guard_bif2(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif,
GenOpArg S1, GenOpArg S2, GenOpArg Dst)
{
GenOp* op;
- BifFunction bf;
NEW_GENOP(stp, op);
op->next = NULL;
- bf = stp->import[Bif.val].bf;
- /* The translations here need to have a reverse counterpart in
- beam_emu.c:translate_gc_bif for error handling to work properly. */
- if (bf == binary_part_2) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_binary_part_2;
- } else {
- op->op = genop_unsupported_guard_bif_3;
- op->arity = 3;
- op->a[0].type = TAG_a;
- op->a[0].val = stp->import[Bif.val].module;
- op->a[1].type = TAG_a;
- op->a[1].val = stp->import[Bif.val].function;
- op->a[2].type = TAG_u;
- op->a[2].val = stp->import[Bif.val].arity;
- return op;
- }
op->op = genop_i_gc_bif2_6;
op->arity = 6;
op->a[0] = Fail;
- op->a[1].type = TAG_u;
+ /* op->a[1] is set by translate_gc_bif() */
op->a[2] = Live;
op->a[3] = S1;
op->a[4] = S2;
op->a[5] = Dst;
- return op;
+ return translate_gc_bif(stp, op, Bif);
}
/*
@@ -4116,37 +4091,19 @@ gen_guard_bif3(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif,
GenOpArg S1, GenOpArg S2, GenOpArg S3, GenOpArg Dst)
{
GenOp* op;
- BifFunction bf;
NEW_GENOP(stp, op);
op->next = NULL;
- bf = stp->import[Bif.val].bf;
- /* The translations here need to have a reverse counterpart in
- beam_emu.c:translate_gc_bif for error handling to work properly. */
- if (bf == binary_part_3) {
- op->a[1].val = (BeamInstr) (void *) erts_gc_binary_part_3;
- } else {
- op->op = genop_unsupported_guard_bif_3;
- op->arity = 3;
- op->a[0].type = TAG_a;
- op->a[0].val = stp->import[Bif.val].module;
- op->a[1].type = TAG_a;
- op->a[1].val = stp->import[Bif.val].function;
- op->a[2].type = TAG_u;
- op->a[2].val = stp->import[Bif.val].arity;
- return op;
- }
op->op = genop_ii_gc_bif3_7;
op->arity = 7;
op->a[0] = Fail;
- op->a[1].type = TAG_u;
+ /* op->a[1] is set by translate_gc_bif() */
op->a[2] = Live;
op->a[3] = S1;
op->a[4] = S2;
op->a[5] = S3;
op->a[6] = Dst;
- op->next = NULL;
- return op;
+ return translate_gc_bif(stp, op, Bif);
}
static GenOp*
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 065018514a..978bcd4bba 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -23,22 +23,24 @@
#
# Lines starting with '#' are ignored.
#
-# <bif-decl> ::= "bif" <bif> <C-name>* | "ubif" <bif> <C-name>*
+# <bif-decl> ::= "bif" <bif> <C-name>* |
+# "ubif" <bif> <C-name>* |
+# "gcbif" <bif> <C-name>*
# <bif> ::= <module> ":" <name> "/" <arity>
#
-# "ubif" is an unwrapped bif, i.e. a bif without a trace wrapper,
-# or rather; the trace entry point in the export entry is the same
-# as the normal entry point, and no trace wrapper is generated.
+# ubif: Use for operators and guard BIFs that never build anything
+# on the heap (such as tuple_size/1) and operators.
#
-# Important: Use "ubif" for guard BIFs and operators; use "bif" for ordinary BIFs.
+# gcbif: Use for guard BIFs that may build on the heap (such as abs/1).
+#
+# bif: Use for all other BIFs.
#
# Add new BIFs to the end of the file.
#
-# Note: Guards BIFs require special support in the compiler (to be able to actually
-# call them from within a guard).
+# Note: Guards BIFs usually require special support in the compiler.
#
-ubif erlang:abs/1
+gcbif erlang:abs/1
bif erlang:adler32/1
bif erlang:adler32/2
bif erlang:adler32_combine/3
@@ -62,7 +64,7 @@ bif erlang:exit/1
bif erlang:exit/2
bif erlang:external_size/1
bif erlang:external_size/2
-ubif erlang:float/1
+gcbif erlang:float/1
bif erlang:float_to_list/1
bif erlang:float_to_list/2
bif erlang:fun_info/2
@@ -79,7 +81,7 @@ bif erlang:phash2/2
ubif erlang:hd/1
bif erlang:integer_to_list/1
bif erlang:is_alive/0
-ubif erlang:length/1
+gcbif erlang:length/1
bif erlang:link/1
bif erlang:list_to_atom/1
bif erlang:list_to_binary/1
@@ -126,10 +128,10 @@ bif erlang:processes/0
bif erlang:put/2
bif erlang:register/2
bif erlang:registered/0
-ubif erlang:round/1
+gcbif erlang:round/1
ubif erlang:self/0
bif erlang:setelement/3
-ubif erlang:size/1
+gcbif erlang:size/1
bif erlang:spawn/3
bif erlang:spawn_link/3
bif erlang:split_binary/2
@@ -139,7 +141,7 @@ bif erlang:term_to_binary/2
bif erlang:throw/1
bif erlang:time/0
ubif erlang:tl/1
-ubif erlang:trunc/1
+gcbif erlang:trunc/1
bif erlang:tuple_to_list/1
bif erlang:universaltime/0
bif erlang:universaltime_to_localtime/1
@@ -461,8 +463,8 @@ bif erlang:list_to_existing_atom/1
#
ubif erlang:is_bitstring/1
ubif erlang:tuple_size/1
-ubif erlang:byte_size/1
-ubif erlang:bit_size/1
+gcbif erlang:byte_size/1
+gcbif erlang:bit_size/1
bif erlang:list_to_bitstring/1
bif erlang:bitstring_to_list/1
@@ -514,8 +516,8 @@ bif erlang:binary_to_term/2
#
# The searching/splitting/substituting thingies
#
-ubif erlang:binary_part/2
-ubif erlang:binary_part/3
+gcbif erlang:binary_part/2
+gcbif erlang:binary_part/3
bif binary:compile_pattern/1
bif binary:match/2
@@ -607,7 +609,7 @@ bif os:unsetenv/1
bif re:inspect/2
ubif erlang:is_map/1
-ubif erlang:map_size/1
+gcbif erlang:map_size/1
bif maps:to_list/1
bif maps:find/2
bif maps:get/2
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index f3d4ac56cd..961260041f 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1427,18 +1427,6 @@ Eterm erts_gc_bor(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_bxor(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_bnot(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_length_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_size_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_bit_size_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_byte_size_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_map_size_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_abs_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_float_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_round_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_trunc_1(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_binary_part_3(Process* p, Eterm* reg, Uint live);
-Eterm erts_gc_binary_part_2(Process* p, Eterm* reg, Uint live);
-
Uint erts_current_reductions(Process* current, Process *p);
int erts_print_system_version(int to, void *arg, Process *c_p);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 17:45:23 +0000