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-rw-r--r--gcc-4.9/gcc/ada/tb-ivms.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/tb-ivms.c b/gcc-4.9/gcc/ada/tb-ivms.c
new file mode 100644
index 000000000..3d55c6e86
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+++ b/gcc-4.9/gcc/ada/tb-ivms.c
@@ -0,0 +1,88 @@
+/****************************************************************************
+ * *
+ * GNAT RUN-TIME COMPONENTS *
+ * *
+ * T R A C E B A C K - I t a n i u m / V M S *
+ * *
+ * C Implementation File *
+ * *
+ * Copyright (C) 2007-2011, AdaCore *
+ * *
+ * GNAT is free software; you can redistribute it and/or modify it under *
+ * terms of the GNU General Public License as published by the Free Soft- *
+ * ware Foundation; either version 3, or (at your option) any later ver- *
+ * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
+ * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
+ * or FITNESS FOR A PARTICULAR PURPOSE. *
+ * *
+ * As a special exception under Section 7 of GPL version 3, you are granted *
+ * additional permissions described in the GCC Runtime Library Exception, *
+ * version 3.1, as published by the Free Software Foundation. *
+ * *
+ * You should have received a copy of the GNU General Public License and *
+ * a copy of the GCC Runtime Library Exception along with this program; *
+ * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ * *
+ * GNAT was originally developed by the GNAT team at New York University. *
+ * Extensive contributions were provided by Ada Core Technologies Inc. *
+ * *
+ ****************************************************************************/
+
+/* Itanium Open/VMS implementation of backtrace. Use ICB (Invocation
+ Context Block) routines. */
+#include <stdlib.h>
+#include <vms/libicb.h>
+
+/* Declare libicb routines. */
+extern INVO_CONTEXT_BLK *LIB$I64_CREATE_INVO_CONTEXT (void *(*)(size_t),
+ void (*)(void *),
+ int);
+extern void LIB$I64_FREE_INVO_CONTEXT (INVO_CONTEXT_BLK *);
+extern int LIB$I64_GET_CURR_INVO_CONTEXT(INVO_CONTEXT_BLK *);
+extern int LIB$I64_GET_PREV_INVO_CONTEXT(INVO_CONTEXT_BLK *);
+
+/* Gcc internal headers poison malloc. So use xmalloc() when building the
+ compiler. */
+#ifdef IN_RTS
+#define BT_MALLOC malloc
+#else
+#define BT_MALLOC xmalloc
+#endif
+
+int
+__gnat_backtrace (void **array, int size,
+ void *exclude_min, void *exclude_max, int skip_frames)
+{
+ INVO_CONTEXT_BLK *ctxt;
+ int res = 0;
+ int n = 0;
+
+ /* Create the context. */
+ ctxt = LIB$I64_CREATE_INVO_CONTEXT (BT_MALLOC, free, 0);
+ if (ctxt == NULL)
+ return 0;
+
+ LIB$I64_GET_CURR_INVO_CONTEXT (ctxt);
+
+ while (1)
+ {
+ void *pc = (void *)ctxt->libicb$ih_pc;
+ if (pc == (void *)0)
+ break;
+ if (ctxt->libicb$v_bottom_of_stack)
+ break;
+ if (n >= skip_frames && (pc < exclude_min || pc > exclude_max))
+ {
+ array[res++] = (void *)(ctxt->libicb$ih_pc);
+ if (res == size)
+ break;
+ }
+ n++;
+ LIB$I64_GET_PREV_INVO_CONTEXT (ctxt);
+ }
+
+ /* Free the context. */
+ LIB$I64_FREE_INVO_CONTEXT (ctxt);
+ return res;
+}