b3c336413b
2011-10-24 Robert Dewar <dewar@adacore.com> * sem.adb (Initialize): Fix bug that blew up if called a second time. 2011-10-24 Robert Dewar <dewar@adacore.com> * tb-alvxw.c, tracebak.c, expect.c, initflt.c, tb-alvms.c, tb-ivms.c, tb-gcc.c: Update headers to GPL 3. 2011-10-24 Robert Dewar <dewar@adacore.com> * sem_prag.adb (Analyze_Pragma, case Debug): Give proper pragma name in error msg. 2011-10-24 Hristian Kirtchev <kirtchev@adacore.com> * gnat_rm.texi Add an entry for restriction No_Finalization. 2011-10-24 Ed Schonberg <schonberg@adacore.com> * sem_ch12.adb (Insert_Freeze_Node_For_Instance): If the current instance is within the one that contains the generic, the freeze node for the current one must appear in the current declarative part. Ditto if the current instance is within another package instance. In both of these cases the freeze node of the previous instance is not relevant. 2011-10-24 Gary Dismukes <dismukes@adacore.com> * switch-m.adb (Normalize_Compiler_Switches): Add recognition of AAMP-specific switches -univ and -aamp_target. 2011-10-24 Robert Dewar <dewar@adacore.com> * a-tienau.adb (Put): Deal properly with limited line length. 2011-10-24 Robert Dewar <dewar@adacore.com> * sem_warn.adb, sem_ch12.adb: Minor reformatting. From-SVN: r180375
89 lines
3.7 KiB
C
89 lines
3.7 KiB
C
/****************************************************************************
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* *
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* GNAT RUN-TIME COMPONENTS *
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* *
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* T R A C E B A C K - I t a n i u m / V M S *
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* *
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* C Implementation File *
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* *
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* Copyright (C) 2007-2011, AdaCore *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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* ware Foundation; either version 3, or (at your option) any later ver- *
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* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* As a special exception under Section 7 of GPL version 3, you are granted *
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* additional permissions described in the GCC Runtime Library Exception, *
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* version 3.1, as published by the Free Software Foundation. *
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* *
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* You should have received a copy of the GNU General Public License and *
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* a copy of the GCC Runtime Library Exception along with this program; *
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* GNAT was originally developed by the GNAT team at New York University. *
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* Extensive contributions were provided by Ada Core Technologies Inc. *
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* *
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****************************************************************************/
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/* Itanium Open/VMS implementation of backtrace. Use ICB (Invocation
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Context Block) routines. */
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#include <stdlib.h>
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#include <vms/libicb.h>
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/* Declare libicb routines. */
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extern INVO_CONTEXT_BLK *LIB$I64_CREATE_INVO_CONTEXT (void *(*)(size_t),
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void (*)(void *),
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int);
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extern void LIB$I64_FREE_INVO_CONTEXT (INVO_CONTEXT_BLK *);
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extern int LIB$I64_GET_CURR_INVO_CONTEXT(INVO_CONTEXT_BLK *);
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extern int LIB$I64_GET_PREV_INVO_CONTEXT(INVO_CONTEXT_BLK *);
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/* Gcc internal headers poison malloc. So use xmalloc() when building the
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compiler. */
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#ifdef IN_RTS
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#define BT_MALLOC malloc
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#else
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#define BT_MALLOC xmalloc
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#endif
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int
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__gnat_backtrace (void **array, int size,
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void *exclude_min, void *exclude_max, int skip_frames)
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{
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INVO_CONTEXT_BLK *ctxt;
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int res = 0;
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int n = 0;
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/* Create the context. */
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ctxt = LIB$I64_CREATE_INVO_CONTEXT (BT_MALLOC, free, 0);
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if (ctxt == NULL)
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return 0;
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LIB$I64_GET_CURR_INVO_CONTEXT (ctxt);
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while (1)
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{
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void *pc = (void *)ctxt->libicb$ih_pc;
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if (pc == (void *)0)
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break;
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if (ctxt->libicb$v_bottom_of_stack)
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break;
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if (n >= skip_frames && (pc < exclude_min || pc > exclude_max))
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{
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array[res++] = (void *)(ctxt->libicb$ih_pc);
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if (res == size)
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break;
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}
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n++;
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LIB$I64_GET_PREV_INVO_CONTEXT (ctxt);
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}
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/* Free the context. */
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LIB$I64_FREE_INVO_CONTEXT (ctxt);
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return res;
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}
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