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authorSverker Eriksson <[email protected]>2011-11-09 21:07:55 +0100
committerSverker Eriksson <[email protected]>2011-11-09 21:07:55 +0100
commita4b82870313b04a51cc2d71f6d5a420b386cec68 (patch)
tree2368147f9b260058dd49ea5e587b603548f1e2d0 /erts/emulator/hipe/hipe_mode_switch.c
parentd82c450402b4fe030befc28cc77e3bc2c07001c1 (diff)
parent79e5d78244143e0c891f87e9971c9598c4cdea4c (diff)
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Merge branch 'sverk/bif-args/OTP-9662'
* sverk/bif-args/OTP-9662: erts,hipe: Limited support for hipe cross compilation erts-hipe: Change THE_NON_VALUE for HiPE enabled debug emulator erts-hipe: Enable debug compiled hipe-VM with lock checker erts-hipe: Rename fail_bif_interface_0 to standard_bif_interface_0 erts-hipe: Deliberate leak of native fun entries erts-hipe: Fix new trap conventions for x86, amd64 and ppc Store the trap address in p->i Store the trap arguments in the X register array erts-hipe: Make some primops use new BIF calling convention erts-hipe: Adapt generated BIF wrappers for new calling convention erts-hipe: Remove obscuring macros in generated assembler code erts-hipe: Make hipe enabled emulator compile with new BIF calls Simplify the instructions for calling BIFs Change the calling convention for BIFs Use the proper macros in all BIFs Conflicts: erts/emulator/beam/bif.h erts/emulator/beam/erl_bif_info.c
Diffstat (limited to 'erts/emulator/hipe/hipe_mode_switch.c')
-rw-r--r--erts/emulator/hipe/hipe_mode_switch.c37
1 files changed, 19 insertions, 18 deletions
diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c
index e5b8cf8a19..4d75883fc5 100644
--- a/erts/emulator/hipe/hipe_mode_switch.c
+++ b/erts/emulator/hipe/hipe_mode_switch.c
@@ -35,6 +35,17 @@
#include "hipe_stack.h"
#include "hipe_bif0.h" /* hipe_mfa_info_table_init() */
+#if defined(ERTS_ENABLE_LOCK_CHECK) && defined(ERTS_SMP)
+# define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) \
+ if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN)
+# define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) \
+ if ((P)) erts_proc_lc_unrequire_lock((P), ERTS_PROC_LOCK_MAIN)
+#else
+# define ERTS_SMP_REQ_PROC_MAIN_LOCK(P)
+# define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P)
+#endif
+
+
/*
* Internal debug support.
* #define HIPE_DEBUG to the desired debug level:
@@ -318,8 +329,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
* Native code called a BIF, which "failed" with a TRAP to BEAM.
* Prior to returning, the BIF stored (see BIF_TRAP<N>):
- * the callee's address in p->def_arg_reg[3]
- * the callee's parameters in p->def_arg_reg[0..2]
+ * the callee's address in p->i
+ * the callee's parameters in reg[0..2]
* the callee's arity in p->arity (for BEAM gc purposes)
*
* We need to remove the BIF's parameters from the native
@@ -331,19 +342,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
*/
unsigned int i, is_recursive = 0;
- /* Save p->arity, then update it with the original BIF's arity.
- Get rid of any stacked parameters in that call. */
- /* XXX: hipe_call_from_native_is_recursive() copies data to
- reg[], which is useless in the TRAP case. Maybe write a
- specialised hipe_trap_from_native_is_recursive() later. */
if (p->hipe.nsp != NULL) {
- unsigned int callee_arity;
- callee_arity = p->arity;
- p->arity = p->hipe.narity; /* caller's arity */
- is_recursive = hipe_call_from_native_is_recursive(p, reg);
-
- p->i = (Eterm *)(p->def_arg_reg[3]);
- p->arity = callee_arity;
+ is_recursive = hipe_trap_from_native_is_recursive(p);
}
/* Schedule next process if current process was hibernated or is waiting
@@ -353,15 +353,14 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
goto do_schedule;
}
if (p->status == P_WAITING) {
+ for (i = 0; i < p->arity; ++i)
+ p->arg_reg[i] = reg[i];
goto do_schedule;
}
- for (i = 0; i < p->arity; ++i)
- reg[i] = p->def_arg_reg[i];
-
if (is_recursive)
hipe_push_beam_trap_frame(p, reg, p->arity);
-
+
result = HIPE_MODE_SWITCH_RES_CALL;
break;
}
@@ -470,7 +469,9 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[])
#if !(NR_ARG_REGS > 5)
int reds_in = p->def_arg_reg[5];
#endif
+ ERTS_SMP_UNREQ_PROC_MAIN_LOCK(p);
p = schedule(p, reds_in - p->fcalls);
+ ERTS_SMP_REQ_PROC_MAIN_LOCK(p);
#ifdef ERTS_SMP
p->hipe_smp.have_receive_locks = 0;
reg = p->scheduler_data->x_reg_array;