* *
* C Implementation File *
* *
- * Copyright (C) 2000-2003 Free Software Foundation, Inc. *
+ * Copyright (C) 2000-2009, Free Software Foundation, Inc. *
* *
* 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 2, or (at your option) any later ver- *
+ * 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. See the GNU General Public License *
- * for more details. You should have received a copy of the GNU General *
- * Public License distributed with GNAT; see file COPYING. If not, write *
- * to the Free Software Foundation, 51 Franklin Street, Fifth Floor, *
- * Boston, MA 02110-1301, USA. *
+ * or FITNESS FOR A PARTICULAR PURPOSE. *
* *
- * As a special exception, if you link this file with other files to *
- * produce an executable, this file does not by itself cause the resulting *
- * executable to be covered by the GNU General Public License. This except- *
- * ion does not however invalidate any other reasons why the executable *
- * file might be covered by the GNU Public License. *
+ * 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. *
****************************************************************************/
/* This unit reads the allocation tracking log produced by augmented
- __gnat_malloc and __gnat_free procedures (see file a-raise.c) and
+ __gnat_malloc and __gnat_free procedures (see file memtrack.adb) and
provides GNATMEM tool with gdb-compliant output. The output is
processed by GNATMEM to detect dynamic memory allocation errors.
GNU/Linux x86
Solaris (sparc and x86) (*)
Windows 98/95/NT (x86)
+ Alpha OpenVMS
(*) on these targets, the compilation must be done with -funwind-tables to
be able to build the stack backtrace.
+
*/
+#ifdef VMS
+#include <string.h>
+#define xstrdup32(S) strcpy ((__char_ptr32) _malloc32 (strlen (S) + 1), S)
+#else
+#define xstrdup32(S) S
+#endif
+
#include <stdio.h>
static FILE *gmemfile;
/* tb_len is the number of call level supported by this module */
#define tb_len 200
-static char * tracebk [tb_len];
+static void * tracebk [tb_len];
static int cur_tb_len, cur_tb_pos;
#define LOG_EOF '*'
char Elmt;
void * Address;
size_t Size;
+ long long Timestamp;
};
-extern void
-convert_addresses (char *addrs[], int n_addr, void *buf, int *len);
+static void
+__gnat_convert_addresses (void *addrs[], int n_addrs, void *buf, int *len);
+/* Place in BUF a string representing the symbolic translation of N_ADDRS raw
+ addresses provided in ADDRS. LEN is filled with the result length.
+
+ This is a GNAT specific interface to the libaddr2line convert_addresses
+ routine. The latter examines debug info from a provided executable file
+ name to perform the translation into symbolic form of an input sequence of
+ raw binary addresses. It attempts to open the file from the provided name
+ "as is", so an absolute path must be provided to ensure the file is
+ always found. We compute this name once, at initialization time. */
+
+static const char * exename = 0;
+
+extern void convert_addresses (const char * , void *[], int, void *, int *);
+extern char *__gnat_locate_exec_on_path (char *);
+/* ??? Both of these extern functions are prototyped in adaint.h, which
+ also refers to "time_t" hence needs complex extra header inclusions to
+ be satisfied on every target. */
+
+static void
+__gnat_convert_addresses (void *addrs[], int n_addrs, void *buf, int *len)
+{
+ if (exename != 0)
+ convert_addresses (exename, addrs, n_addrs, buf, len);
+ else
+ *len = 0;
+}
/* reads backtrace information from gmemfile placing them in tracebk
array. cur_tb_len is the size of this array
gmem_read_backtrace (void)
{
fread (&cur_tb_len, sizeof (int), 1, gmemfile);
- fread (tracebk, sizeof (char *), cur_tb_len, gmemfile);
+ fread (tracebk, sizeof (void *), cur_tb_len, gmemfile);
cur_tb_pos = 0;
}
-/* initialize gmem feature from the dumpname file. It returns 1 if the
- dumpname has been generated by GMEM (instrumented malloc/free) and 0 if not
- (i.e. probably a GDB generated file).
+/* initialize gmem feature from the dumpname file. It returns t0 timestamp
+ if the dumpname has been generated by GMEM (instrumented malloc/free)
+ and 0 if not.
*/
-int __gnat_gmem_initialize (char *dumpname)
+long long __gnat_gmem_initialize (char *dumpname)
{
char header [10];
+ long long t0;
gmemfile = fopen (dumpname, "rb");
fread (header, 10, 1, gmemfile);
return 0;
}
- return 1;
+ fread (&t0, sizeof (long long), 1, gmemfile);
+
+ return t0;
}
/* initialize addr2line library */
-void __gnat_gmem_a2l_initialize (char *exename)
+void __gnat_gmem_a2l_initialize (char *exearg)
{
- extern char **gnat_argv;
- char s [100];
- int l;
-
- gnat_argv [0] = exename;
- convert_addresses (tracebk, 1, s, &l);
+ /* Resolve the executable filename to use in later invocations of
+ the libaddr2line symbolization service. Ensure that on VMS
+ exename is allocated in 32 bit memory for compatibility
+ with libaddr2line. */
+ exename = xstrdup32 (__gnat_locate_exec_on_path (exearg));
}
/* Read next allocation of deallocation information from the GMEM file and
buf->Elmt = LOG_ALLOC;
fread (&(buf->Address), sizeof (void *), 1, gmemfile);
fread (&(buf->Size), sizeof (size_t), 1, gmemfile);
+ fread (&(buf->Timestamp), sizeof (long long), 1, gmemfile);
break;
case 'D' :
buf->Elmt = LOG_DEALL;
fread (&(buf->Address), sizeof (void *), 1, gmemfile);
+ fread (&(buf->Timestamp), sizeof (long long), 1, gmemfile);
break;
default:
puts ("GNATMEM dump file corrupt");
void __gnat_gmem_symbolic (void * addr, char* buf, int* length)
{
- char* addresses [] = { (char*)addr };
- extern char** gnat_argv;
+ void * addresses [] = { addr };
- convert_addresses (addresses, 1, buf, length);
+ __gnat_convert_addresses (addresses, 1, buf, length);
}
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