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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /erts/emulator/hipe/hipe_process.h
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The R13B03 release.OTP_R13B03
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+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2001-2009. 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/.
+ *
+ * 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.
+ *
+ * %CopyrightEnd%
+ */
+/* $Id$
+ * HiPE-specific process fields
+ */
+#ifndef HIPE_PROCESS_H
+#define HIPE_PROCESS_H
+
+#include "erl_alloc.h"
+
+struct hipe_process_state {
+ Eterm *nsp; /* Native stack pointer. */
+ Eterm *nstack; /* Native stack block start. */
+ Eterm *nstend; /* Native stack block end (start+size). */
+ /* XXX: ncallee and closure could share space in a union */
+ void (*ncallee)(void); /* Native code callee (label) to invoke. */
+ Eterm closure; /* Used to pass a closure from native code. */
+ Eterm *nstgraylim; /* Gray/white stack boundary. */
+ Eterm *nstblacklim; /* Black/gray stack boundary. Must exist if
+ graylim exists. Ignored if no graylim. */
+ void (*ngra)(void); /* Saved original RA from graylim frame. */
+#if defined(__i386__) || defined(__x86_64__)
+ Eterm *ncsp; /* Saved C stack pointer. */
+#endif
+#if defined(__sparc__) || defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__) || defined(__arm__)
+ void (*nra)(void); /* Native code return address. */
+#endif
+ unsigned int narity; /* Arity of BIF call, for stack walks. */
+};
+
+extern void hipe_arch_print_pcb(struct hipe_process_state *p);
+
+static __inline__ void hipe_init_process(struct hipe_process_state *p)
+{
+ p->nsp = NULL;
+ p->nstack = NULL;
+ p->nstend = NULL;
+ p->nstgraylim = NULL;
+ p->nstblacklim = NULL;
+ p->ngra = NULL;
+#if defined(__sparc__) || defined(__powerpc__) || defined(__ppc__) || defined(__powerpc64__) || defined(__arm__)
+ p->nra = NULL;
+#endif
+ p->narity = 0;
+}
+
+static __inline__ void hipe_delete_process(struct hipe_process_state *p)
+{
+ if (p->nstack)
+ erts_free(ERTS_ALC_T_HIPE, (void*)p->nstack);
+}
+
+#ifdef ERTS_SMP
+struct hipe_process_state_smp {
+ int have_receive_locks;
+};
+
+static __inline__ void hipe_init_process_smp(struct hipe_process_state_smp *p)
+{
+ p->have_receive_locks = 0;
+}
+#endif
+
+#endif /* HIPE_PROCESS_H */