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Diffstat (limited to 'erts/emulator/hipe/hipe_mode_switch.c')
-rw-r--r--erts/emulator/hipe/hipe_mode_switch.c66
1 files changed, 16 insertions, 50 deletions
diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c
index 1ae1d17b7f..8c73312d45 100644
--- a/erts/emulator/hipe/hipe_mode_switch.c
+++ b/erts/emulator/hipe/hipe_mode_switch.c
@@ -140,7 +140,6 @@ 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 +158,7 @@ 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)
{
@@ -185,22 +184,6 @@ 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)
-{
- if (!hipe_bifcall_from_native_is_recursive(p))
- return;
-
- /* 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] = hipe_beam_catch_throw;
-}
-
static __inline__ void
hipe_push_beam_trap_frame(Process *p, Eterm reg[], unsigned arity)
{
@@ -223,15 +206,6 @@ hipe_push_beam_trap_frame(Process *p, Eterm reg[], unsigned arity)
p->cp = hipe_beam_pc_return;
}
-void hipe_unreserve_beam_trap_frame(Process *p)
-{
- if (!hipe_bifcall_from_native_is_recursive(p))
- return;
-
- ASSERT(p->stop[0] == NIL && p->stop[1] == hipe_beam_catch_throw);
- p->stop += 2;
-}
-
static __inline__ void hipe_pop_beam_trap_frame(Process *p)
{
ASSERT(p->stop[1] == hipe_beam_catch_throw);
@@ -265,14 +239,14 @@ 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;
}
@@ -290,18 +264,18 @@ 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;
}
@@ -404,13 +378,13 @@ 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
@@ -430,15 +404,15 @@ 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;
@@ -468,10 +442,10 @@ 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.
@@ -549,7 +523,7 @@ 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;
}
@@ -577,7 +551,7 @@ 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:
@@ -607,7 +581,6 @@ 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;
@@ -631,7 +604,6 @@ 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;
@@ -663,12 +635,6 @@ 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 2024-07-05 21:35:00 +0000