aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/hipe/hipe_mode_switch.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/hipe/hipe_mode_switch.c')
-rw-r--r--erts/emulator/hipe/hipe_mode_switch.c95
1 files changed, 35 insertions, 60 deletions
diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c
index 4ddc2790b1..9243e029f6 100644
--- a/erts/emulator/hipe/hipe_mode_switch.c
+++ b/erts/emulator/hipe/hipe_mode_switch.c
@@ -2,18 +2,19 @@
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2001-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2001-2014. All Rights Reserved.
*
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
+ * 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
*
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ * 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%
*/
@@ -107,7 +108,7 @@ static const char *code_str(unsigned code)
static void __noreturn
hipe_abort(const char *expr, const char *file, unsigned line)
{
- erl_exit(1, "ASSERTION FAILED, file %s, line %u: %s\r\n", file, line, expr);
+ erts_exit(ERTS_ERROR_EXIT, "ASSERTION FAILED, file %s, line %u: %s\r\n", file, line, expr);
}
#define HIPE_ASSERT3(expr, file, line) \
@@ -140,7 +141,6 @@ void hipe_check_pcb(Process *p, const char *file, unsigned line)
#endif /* HIPE_DEBUG > 0 */
/* ensure that at least nwords words are available on the native stack */
-static void hipe_check_nstack(Process *p, unsigned nwords);
#if defined(__sparc__)
#include "hipe_sparc_glue.h"
@@ -159,7 +159,7 @@ static void hipe_check_nstack(Process *p, unsigned nwords);
Uint hipe_beam_pc_return[1]; /* needed in hipe_debug.c */
Uint hipe_beam_pc_throw[1]; /* needed in hipe_debug.c */
Uint hipe_beam_pc_resume[1]; /* needed by hipe_set_timeout() */
-static Eterm hipe_beam_catch_throw;
+Eterm hipe_beam_catch_throw;
void hipe_mode_switch_init(void)
{
@@ -185,48 +185,31 @@ void hipe_set_call_trap(Uint *bfun, void *nfun, int is_closure)
bfun[-4] = (Uint)nfun;
}
-void hipe_reserve_beam_trap_frame(Process *p, Eterm reg[], unsigned arity)
-{
- /* ensure that at least 2 words are available on the BEAM stack */
- if ((p->stop - 2) < p->htop) {
- DPRINTF("calling gc to reserve BEAM stack size");
- p->fcalls -= erts_garbage_collect(p, 2, reg, arity);
- ASSERT(!((p->stop - 2) < p->htop));
- }
- p->stop -= 2;
- p->stop[0] = NIL;
- p->stop[1] = NIL;
-}
-
static __inline__ void
hipe_push_beam_trap_frame(Process *p, Eterm reg[], unsigned arity)
{
- if (p->flags & F_DISABLE_GC) {
+ if (&p->stop[1] < p->hend && p->stop[1] == hipe_beam_catch_throw) {
/* Trap frame already reserved */
- ASSERT(p->stop[0] == NIL && p->stop[1] == NIL);
+ ASSERT(p->stop[0] == NIL);
}
else {
+ ASSERT(!(p->flags & F_DISABLE_GC));
if ((p->stop - 2) < p->htop) {
DPRINTF("calling gc to increase BEAM stack size");
p->fcalls -= erts_garbage_collect(p, 2, reg, arity);
ASSERT(!((p->stop - 2) < p->htop));
}
p->stop -= 2;
+ p->stop[1] = hipe_beam_catch_throw;
}
- p->stop[1] = hipe_beam_catch_throw;
p->stop[0] = make_cp(p->cp);
++p->catches;
p->cp = hipe_beam_pc_return;
}
-void hipe_unreserve_beam_trap_frame(Process *p)
-{
- ASSERT(p->stop[0] == NIL && p->stop[1] == NIL);
- p->stop += 2;
-}
-
static __inline__ void hipe_pop_beam_trap_frame(Process *p)
{
+ ASSERT(p->stop[1] == hipe_beam_catch_throw);
p->cp = cp_val(p->stop[0]);
--p->catches;
p->stop += 2;
@@ -257,14 +240,14 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
/* BEAM calls a native code function */
unsigned arity = cmd >> 8;
- /* p->hipe.ncallee set in beam_emu */
+ /* p->hipe.u.ncallee set in beam_emu */
if (p->cp == hipe_beam_pc_return) {
/* Native called BEAM, which now tailcalls native. */
hipe_pop_beam_trap_frame(p);
result = hipe_tailcall_to_native(p, arity, reg);
break;
}
- DPRINTF("calling %#lx/%u", (long)p->hipe.ncallee, arity);
+ DPRINTF("calling %#lx/%u", (long)p->hipe.u.ncallee, arity);
result = hipe_call_to_native(p, arity, reg);
break;
}
@@ -282,18 +265,18 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
arity -= funp->num_free; /* arity == #formals */
reg[arity] = fun;
++arity; /* correct for having added the closure */
- /* HIPE_ASSERT(p->hipe.ncallee == (void(*)(void))funp->native_address); */
+ /* HIPE_ASSERT(p->hipe.u.ncallee == (void(*)(void))funp->native_address); */
/* just like a normal call from now on */
- /* p->hipe.ncallee set in beam_emu */
+ /* p->hipe.u.ncallee set in beam_emu */
if (p->cp == hipe_beam_pc_return) {
/* Native called BEAM, which now tailcalls native. */
hipe_pop_beam_trap_frame(p);
result = hipe_tailcall_to_native(p, arity, reg);
break;
}
- DPRINTF("calling %#lx/%u", (long)p->hipe.ncallee, arity);
+ DPRINTF("calling %#lx/%u", (long)p->hipe.u.ncallee, arity);
result = hipe_call_to_native(p, arity, reg);
break;
}
@@ -333,7 +316,7 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
break;
}
default:
- erl_exit(1, "hipe_mode_switch: cmd %#x\r\n", cmd);
+ erts_exit(ERTS_ERROR_EXIT, "hipe_mode_switch: cmd %#x\r\n", cmd);
}
do_return_from_native:
DPRINTF("result == %#x (%s)", result, code_str(result));
@@ -396,13 +379,13 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
if (is_recursive)
hipe_push_beam_trap_frame(p, reg, p->arity);
- result = HIPE_MODE_SWITCH_RES_CALL;
+ result = HIPE_MODE_SWITCH_RES_CALL_BEAM;
break;
}
- case HIPE_MODE_SWITCH_RES_CALL: {
+ case HIPE_MODE_SWITCH_RES_CALL_EXPORTED: {
/* Native code calls or tailcalls BEAM.
*
- * p->i is the callee's BEAM code
+ * p->hipe.u.callee_exp is the callee's export entry
* p->arity is the callee's arity
* p->def_arg_reg[] contains the register parameters
* p->hipe.nsp[] contains the stacked parameters
@@ -422,15 +405,15 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
* F(A1, ..., AN, FV1, ..., FVM, Closure)
* (Where Ai is argument i and FVj is free variable j)
*
- * p->hipe.closure contains the closure
+ * p->hipe.u.closure contains the closure
* p->def_arg_reg[] contains the register parameters
* p->hipe.nsp[] contains the stacked parameters
*/
ErlFunThing *closure;
unsigned num_free, arity, i, is_recursive;
- HIPE_ASSERT(is_fun(p->hipe.closure));
- closure = (ErlFunThing*)fun_val(p->hipe.closure);
+ HIPE_ASSERT(is_fun(p->hipe.u.closure));
+ closure = (ErlFunThing*)fun_val(p->hipe.u.closure);
num_free = closure->num_free;
arity = closure->fe->arity;
@@ -460,10 +443,10 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
p->i = closure->fe->address;
/* Change result code to the faster plain CALL type. */
- result = HIPE_MODE_SWITCH_RES_CALL;
+ result = HIPE_MODE_SWITCH_RES_CALL_BEAM;
}
/* Append the closure as the last parameter. Don't increment arity. */
- reg[arity] = p->hipe.closure;
+ reg[arity] = p->hipe.u.closure;
if (is_recursive) {
/* BEAM called native, which now calls BEAM.
@@ -541,7 +524,7 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
}
}
HIPE_CHECK_PCB(p);
- result = HIPE_MODE_SWITCH_RES_CALL;
+ result = HIPE_MODE_SWITCH_RES_CALL_BEAM;
p->def_arg_reg[3] = result;
return p;
}
@@ -569,7 +552,7 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
address = hipe_get_remote_na(mfa[0], mfa[1], arity);
if (!address)
goto do_apply_fail;
- p->hipe.ncallee = (void(*)(void)) address;
+ p->hipe.u.ncallee = (void(*)(void)) address;
result = hipe_tailcall_to_native(p, arity, reg);
goto do_return_from_native;
do_apply_fail:
@@ -577,7 +560,7 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
goto do_throw_to_native;
}
default:
- erl_exit(1, "hipe_mode_switch: result %#x\r\n", result);
+ erts_exit(ERTS_ERROR_EXIT, "hipe_mode_switch: result %#x\r\n", result);
}
HIPE_CHECK_PCB(p);
p->def_arg_reg[3] = result;
@@ -599,7 +582,6 @@ static unsigned hipe_next_nstack_size(unsigned size)
}
#if 0 && defined(HIPE_NSTACK_GROWS_UP)
-#define hipe_nstack_avail(p) ((p)->hipe.nstend - (p)->hipe.nsp)
void hipe_inc_nstack(Process *p)
{
Eterm *old_nstack = p->hipe.nstack;
@@ -623,7 +605,6 @@ void hipe_inc_nstack(Process *p)
#endif
#if defined(HIPE_NSTACK_GROWS_DOWN)
-#define hipe_nstack_avail(p) ((unsigned)((p)->hipe.nsp - (p)->hipe.nstack))
void hipe_inc_nstack(Process *p)
{
unsigned old_size = p->hipe.nstend - p->hipe.nstack;
@@ -655,12 +636,6 @@ void hipe_empty_nstack(Process *p)
p->hipe.nstend = NULL;
}
-static void hipe_check_nstack(Process *p, unsigned nwords)
-{
- while (hipe_nstack_avail(p) < nwords)
- hipe_inc_nstack(p);
-}
-
void hipe_set_closure_stub(ErlFunEntry *fe, unsigned num_free)
{
unsigned arity;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 23:35:31 +0000