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-rw-r--r--erts/emulator/beam/bif.h118
-rw-r--r--erts/emulator/beam/erl_message.c37
-rw-r--r--erts/emulator/beam/erl_unicode.c2
-rw-r--r--erts/emulator/beam/external.c74
4 files changed, 128 insertions, 103 deletions
diff --git a/erts/emulator/beam/bif.h b/erts/emulator/beam/bif.h
index 51b77a95ed..72c55ccb55 100644
--- a/erts/emulator/beam/bif.h
+++ b/erts/emulator/beam/bif.h
@@ -124,12 +124,85 @@ do { \
return THE_NON_VALUE; \
} while(0)
+#define ERTS_BIF_ERROR_TRAPPED0(Proc, Reason, Bif) \
+do { \
+ (Proc)->freason = (Reason); \
+ (Proc)->current = (Bif)->code; \
+ return THE_NON_VALUE; \
+} while (0)
+
+#define ERTS_BIF_ERROR_TRAPPED1(Proc, Reason, Bif, A0) \
+do { \
+ Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \
+ (Proc)->freason = (Reason); \
+ (Proc)->current = (Bif)->code; \
+ reg[0] = (Eterm) (A0); \
+ return THE_NON_VALUE; \
+} while (0)
+
+#define ERTS_BIF_ERROR_TRAPPED2(Proc, Reason, Bif, A0, A1) \
+do { \
+ Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \
+ (Proc)->freason = (Reason); \
+ (Proc)->current = (Bif)->code; \
+ reg[0] = (Eterm) (A0); \
+ reg[1] = (Eterm) (A1); \
+ return THE_NON_VALUE; \
+} while (0)
+
+#define ERTS_BIF_ERROR_TRAPPED3(Proc, Reason, Bif, A0, A1, A2) \
+do { \
+ Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \
+ (Proc)->freason = (Reason); \
+ (Proc)->current = (Bif)->code; \
+ reg[0] = (Eterm) (A0); \
+ reg[1] = (Eterm) (A1); \
+ reg[2] = (Eterm) (A2); \
+ return THE_NON_VALUE; \
+} while (0)
+
#define ERTS_BIF_PREP_ERROR(Ret, Proc, Reason) \
do { \
(Proc)->freason = (Reason); \
(Ret) = THE_NON_VALUE; \
} while (0)
+#define ERTS_BIF_PREP_ERROR_TRAPPED0(Ret, Proc, Reason, Bif) \
+do { \
+ (Proc)->freason = (Reason); \
+ (Proc)->current = (Bif)->code; \
+ (Ret) = THE_NON_VALUE; \
+} while (0)
+
+#define ERTS_BIF_PREP_ERROR_TRAPPED1(Ret, Proc, Reason, Bif, A0) \
+do { \
+ Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \
+ (Proc)->freason = (Reason); \
+ (Proc)->current = (Bif)->code; \
+ reg[0] = (Eterm) (A0); \
+ (Ret) = THE_NON_VALUE; \
+} while (0)
+
+#define ERTS_BIF_PREP_ERROR_TRAPPED2(Ret, Proc, Reason, Bif, A0, A1) \
+do { \
+ Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \
+ (Proc)->freason = (Reason); \
+ (Proc)->current = (Bif)->code; \
+ reg[0] = (Eterm) (A0); \
+ reg[1] = (Eterm) (A1); \
+ (Ret) = THE_NON_VALUE; \
+} while (0)
+
+#define ERTS_BIF_PREP_ERROR_TRAPPED3(Ret, Proc, Reason, Bif, A0, A1, A2) \
+do { \
+ Eterm* reg = ERTS_PROC_GET_SCHDATA((Proc))->x_reg_array; \
+ (Proc)->freason = (Reason); \
+ (Proc)->current = (Bif)->code; \
+ reg[0] = (Eterm) (A0); \
+ reg[1] = (Eterm) (A1); \
+ reg[2] = (Eterm) (A2); \
+ (Ret) = THE_NON_VALUE; \
+} while (0)
#define ERTS_BIF_PREP_TRAP0(Ret, Trap, Proc) \
do { \
@@ -392,6 +465,51 @@ erts_bif_prep_await_proc_exit_apply_trap(Process *c_p,
Eterm args[],
int nargs);
+#ifndef HIPE
+
+#define HIPE_WRAPPER_BIF_DISABLE_GC(BIF_NAME, ARITY)
+
+#else
+
+#include "erl_fun.h"
+#include "hipe_mode_switch.h"
+
+/*
+ * Hipe wrappers used by native code for BIFs that disable GC while trapping.
+ * Also add usage of the wrapper in ../hipe/hipe_bif_list.m4
+ *
+ * Problem:
+ * When native code calls a BIF that traps, hipe_mode_switch will push a
+ * "trap frame" on the Erlang stack in order to find its way back from beam_emu
+ * back to native caller when finally done. If GC is disabled and stack/heap
+ * is full there is no place to push the "trap frame".
+ *
+ * Solution:
+ * We reserve space on stack for the "trap frame" here before the BIF is called.
+ * If the BIF does not trap, the space is reclaimed here before returning.
+ * If the BIF traps, hipe_push_beam_trap_frame() will detect that a "trap frame"
+ * already is reserved and use it.
+ */
+
+
+#define HIPE_WRAPPER_BIF_DISABLE_GC(BIF_NAME, ARITY) \
+BIF_RETTYPE hipe_wrapper_ ## BIF_NAME ## _ ## ARITY (Process* c_p, \
+ Eterm* args); \
+BIF_RETTYPE hipe_wrapper_ ## BIF_NAME ## _ ## ARITY (Process* c_p, \
+ Eterm* args) \
+{ \
+ BIF_RETTYPE res; \
+ hipe_reserve_beam_trap_frame(c_p, args, ARITY); \
+ res = BIF_NAME ## _ ## ARITY (c_p, args); \
+ if (is_value(res) || c_p->freason != TRAP) { \
+ hipe_unreserve_beam_trap_frame(c_p); \
+ } \
+ return res; \
+}
+
+#endif
+
+
#include "erl_bif_table.h"
#endif
diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c
index 0eb8117980..59a677a12c 100644
--- a/erts/emulator/beam/erl_message.c
+++ b/erts/emulator/beam/erl_message.c
@@ -1032,7 +1032,6 @@ erts_send_message(Process* sender,
}
BM_SWAP_TIMER(send,system);
} else {
-#ifdef ERTS_SMP
ErlOffHeap *ohp;
Eterm *hp;
erts_aint32_t state;
@@ -1064,42 +1063,6 @@ erts_send_message(Process* sender,
#endif
);
BM_SWAP_TIMER(send,system);
-#else
- ErlMessage* mp = message_alloc();
- Eterm *hp;
- BM_SWAP_TIMER(send,size);
- msize = size_object(message);
- BM_SWAP_TIMER(size,send);
-
- if (receiver->stop - receiver->htop <= msize) {
- BM_SWAP_TIMER(send,system);
- erts_garbage_collect(receiver, msize, receiver->arg_reg, receiver->arity);
- BM_SWAP_TIMER(system,send);
- }
- hp = receiver->htop;
- receiver->htop = hp + msize;
- BM_SWAP_TIMER(send,copy);
- message = copy_struct(message, msize, &hp, &receiver->off_heap);
- BM_MESSAGE_COPIED(msize);
- BM_SWAP_TIMER(copy,send);
- DTRACE6(message_send, sender_name, receiver_name,
- (uint32_t)msize, tok_label, tok_lastcnt, tok_serial);
- ERL_MESSAGE_TERM(mp) = message;
- ERL_MESSAGE_TOKEN(mp) = NIL;
-#ifdef USE_VM_PROBES
- ERL_MESSAGE_DT_UTAG(mp) = NIL;
-#endif
- mp->next = NULL;
- mp->data.attached = NULL;
- LINK_MESSAGE(receiver, mp);
- res = receiver->msg.len;
- erts_proc_notify_new_message(receiver);
-
- if (IS_TRACED_FL(receiver, F_TRACE_RECEIVE)) {
- trace_receive(receiver, message);
- }
- BM_SWAP_TIMER(send,system);
-#endif /* #ifndef ERTS_SMP */
}
return res;
}
diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c
index 3a968594f3..f8e1431a53 100644
--- a/erts/emulator/beam/erl_unicode.c
+++ b/erts/emulator/beam/erl_unicode.c
@@ -2126,6 +2126,8 @@ Eterm erts_convert_native_to_filename(Process *p, byte *bytes)
mac = 1;
case ERL_FILENAME_UTF8:
size = strlen((char *) bytes);
+ if (size == 0)
+ return NIL;
if (erts_analyze_utf8(bytes,size,&err_pos,&num_chars,NULL) != ERTS_UTF8_OK) {
goto noconvert;
}
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 656de7c49a..e376253400 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -44,9 +44,6 @@
#include "erl_zlib.h"
#include "erl_map.h"
-#ifdef HIPE
-#include "hipe_mode_switch.h"
-#endif
#define in_area(ptr,start,nbytes) ((UWord)((char*)(ptr) - (char*)(start)) < (nbytes))
#define MAX_STRING_LEN 0xffff
@@ -1069,6 +1066,8 @@ static BIF_RETTYPE term_to_binary_trap_1(BIF_ALIST_1)
}
}
+HIPE_WRAPPER_BIF_DISABLE_GC(term_to_binary, 1)
+
BIF_RETTYPE term_to_binary_1(BIF_ALIST_1)
{
Eterm res = erts_term_to_binary_int(BIF_P, BIF_ARG_1, 0, TERM_TO_BINARY_DFLAGS, NULL);
@@ -1081,6 +1080,8 @@ BIF_RETTYPE term_to_binary_1(BIF_ALIST_1)
}
}
+HIPE_WRAPPER_BIF_DISABLE_GC(term_to_binary, 2)
+
BIF_RETTYPE term_to_binary_2(BIF_ALIST_2)
{
Process* p = BIF_P;
@@ -1544,11 +1545,15 @@ static Eterm binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* con
BIF_TRAP1(&binary_to_term_trap_export, p, ctx->trap_bin);
}
+HIPE_WRAPPER_BIF_DISABLE_GC(erts_internal_binary_to_term, 1)
+
BIF_RETTYPE erts_internal_binary_to_term_1(BIF_ALIST_1)
{
return binary_to_term_int(BIF_P, 0, BIF_ARG_1, NULL);
}
+HIPE_WRAPPER_BIF_DISABLE_GC(erts_internal_binary_to_term, 2)
+
BIF_RETTYPE erts_internal_binary_to_term_2(BIF_ALIST_2)
{
Eterm opts;
@@ -4440,66 +4445,3 @@ error:
#undef SKIP2
#undef CHKSIZE
}
-
-
-#ifdef HIPE
-BIF_RETTYPE hipe_wrapper_term_to_binary_1(BIF_ALIST_1);
-BIF_RETTYPE hipe_wrapper_term_to_binary_2(BIF_ALIST_2);
-BIF_RETTYPE hipe_wrapper_erts_internal_binary_to_term_1(BIF_ALIST_1);
-BIF_RETTYPE hipe_wrapper_erts_internal_binary_to_term_2(BIF_ALIST_2);
-
-/* Hipe wrappers used by native code for BIFs that disable GC while trapping.
- *
- * Problem:
- * When native code calls a BIF that traps, hipe_mode_switch will push a
- * "trap frame" on the Erlang stack in order to find its way back from beam_emu
- * back to native caller when finally done. If GC is disabled and stack/heap
- * is full there is no place to push the "trap frame".
- *
- * Solution:
- * We reserve space on stack for the "trap frame" here before the BIF is called.
- * If the BIF does not trap, the space is reclaimed here before returning.
- * If the BIF traps, hipe_push_beam_trap_frame() will detect that a "trap frame"
- * already is reserved and use it.
- */
-BIF_RETTYPE hipe_wrapper_term_to_binary_1(BIF_ALIST_1)
-{
- Eterm res;
- hipe_reserve_beam_trap_frame(BIF_P, BIF__ARGS, 1);
- res = term_to_binary_1(BIF_P, BIF__ARGS);
- if (is_value(res) || BIF_P->freason != TRAP) {
- hipe_unreserve_beam_trap_frame(BIF_P);
- }
- return res;
-}
-BIF_RETTYPE hipe_wrapper_term_to_binary_2(BIF_ALIST_2)
-{
- Eterm res;
- hipe_reserve_beam_trap_frame(BIF_P, BIF__ARGS, 2);
- res = term_to_binary_2(BIF_P, BIF__ARGS);
- if (is_value(res) || BIF_P->freason != TRAP) {
- hipe_unreserve_beam_trap_frame(BIF_P);
- }
- return res;
-}
-BIF_RETTYPE hipe_wrapper_erts_internal_binary_to_term_1(BIF_ALIST_1)
-{
- Eterm res;
- hipe_reserve_beam_trap_frame(BIF_P, BIF__ARGS, 1);
- res = erts_internal_binary_to_term_1(BIF_P, BIF__ARGS);
- if (is_value(res) || BIF_P->freason != TRAP) {
- hipe_unreserve_beam_trap_frame(BIF_P);
- }
- return res;
-}
-BIF_RETTYPE hipe_wrapper_erts_internal_binary_to_term_2(BIF_ALIST_2)
-{
- Eterm res;
- hipe_reserve_beam_trap_frame(BIF_P, BIF__ARGS, 2);
- res = erts_internal_binary_to_term_2(BIF_P, BIF__ARGS);
- if (is_value(res) || BIF_P->freason != TRAP) {
- hipe_unreserve_beam_trap_frame(BIF_P);
- }
- return res;
-}
-#endif /*HIPE*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 17:31:01 +0000