</member>
<member name="TEST_FRAMEWORK" displayname="Enable Test Framework API">
</member>
+ <member name="BETTER_BACKTRACES" displayname="Use libbfd to generate better inline backtraces">
+ <depend>BFD</depend>
+ <depend>DLADDR</depend>
+ <defaultenabled>no</defaultenabled>
+ </member>
</category>
ASOUND=@PBX_ALSA@
+BFD=@PBX_BFD@
BISON=@PBX_BISON@
CURL=@PBX_CURL@
DAHDI=@PBX_DAHDI@
DAHDI_TRANSCODE=@PBX_DAHDI_TRANSCODE@
+DLADDR=@PBX_DLADDR@
FLEX=@PBX_FLEX@
FREETDS=@PBX_FREETDS@
GSM=@PBX_GSM@
KDEINIT
GSM_INTERNAL
PBX_DAHDI_TRANSCODE
+PBX_DLADDR
AST_NO_STRICT_OVERFLOW
AST_FORTIFY_SOURCE
AST_DECLARATION_AFTER_STATEMENT
CAP_DIR
CAP_INCLUDE
CAP_LIB
+PBX_BFD
+BFD_DIR
+BFD_INCLUDE
+BFD_LIB
PBX_ALSA
ALSA_DIR
ALSA_INCLUDE
with_gnu_ld
enable_dev_mode
with_asound
+with_bfd
with_cap
with_curses
with_dahdi
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
--with-gnu-ld assume the C compiler uses GNU ld [default=no]
--with-asound=PATH use Advanced Linux Sound Architecture files in PATH
+ --with-bfd=PATH use Debug symbol decoding files in PATH
--with-cap=PATH use POSIX 1.e capabilities files in PATH
--with-curses=PATH use curses files in PATH
--with-dahdi=PATH use DAHDI files in PATH
+BFD_DESCRIP="Debug symbol decoding"
+BFD_OPTION="bfd"
+
+# Check whether --with-bfd was given.
+if test "${with_bfd+set}" = set; then :
+ withval=$with_bfd;
+case ${withval} in
+ n|no)
+ USE_BFD=no
+ ;;
+ y|ye|yes)
+ BFD_MANDATORY="yes"
+ ;;
+ *)
+ BFD_DIR="${withval}"
+ BFD_MANDATORY="yes"
+ ;;
+esac
+
+fi
+
+PBX_BFD=0
+
+
+
+
+
+
+
CAP_DESCRIP="POSIX 1.e capabilities"
CAP_OPTION="cap"
fi ; fi ; fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dladdr in dlfcn.h" >&5
+$as_echo_n "checking for dladdr in dlfcn.h... " >&6; }
+PBX_DLADDR=0
+old_LIBS=${LIBS}
+LIBS="${LIBS} -ldl"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#define _GNU_SOURCE 1
+#include <dlfcn.h>
+int
+main ()
+{
+dladdr((void *)0, (void *)0)
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ PBX_DLADDR=1
+
+
+$as_echo "#define HAVE_DLADDR 1" >>confdefs.h
+
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=${old_LIBS}
+
# do the package library checks now
+if test "${USE_BFD}" != "no"; then
+ pbxlibdir=""
+ if test "x${BFD_DIR}" != "x"; then
+ if test -d ${BFD_DIR}/lib; then
+ pbxlibdir="-L${BFD_DIR}/lib"
+ else
+ pbxlibdir="-L${BFD_DIR}"
+ fi
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for bfd_openr in -lbfd" >&5
+$as_echo_n "checking for bfd_openr in -lbfd... " >&6; }
+if test "${ac_cv_lib_bfd_bfd_openr+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lbfd ${pbxlibdir} $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char bfd_openr ();
+int
+main ()
+{
+return bfd_openr ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_bfd_bfd_openr=yes
+else
+ ac_cv_lib_bfd_bfd_openr=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bfd_bfd_openr" >&5
+$as_echo "$ac_cv_lib_bfd_bfd_openr" >&6; }
+if test "x$ac_cv_lib_bfd_bfd_openr" = x""yes; then :
+ AST_BFD_FOUND=yes
+else
+ AST_BFD_FOUND=no
+fi
+
+
+ if test "${AST_BFD_FOUND}" = "yes"; then
+ BFD_LIB="-lbfd "
+ BFD_HEADER_FOUND="1"
+ if test "x${BFD_DIR}" != "x"; then
+ BFD_LIB="${pbxlibdir} ${BFD_LIB}"
+ BFD_INCLUDE="-I${BFD_DIR}/include"
+ fi
+ BFD_INCLUDE="${BFD_INCLUDE} "
+ saved_cppflags="${CPPFLAGS}"
+ CPPFLAGS="${CPPFLAGS} ${BFD_INCLUDE}"
+ if test "xbfd.h" != "x" ; then
+ ac_fn_c_check_header_mongrel "$LINENO" "bfd.h" "ac_cv_header_bfd_h" "$ac_includes_default"
+if test "x$ac_cv_header_bfd_h" = x""yes; then :
+ BFD_HEADER_FOUND=1
+else
+ BFD_HEADER_FOUND=0
+fi
+
+
+ fi
+ CPPFLAGS="${saved_cppflags}"
+ if test "x${BFD_HEADER_FOUND}" = "x0" ; then
+ if test -n "${BFD_MANDATORY}" ;
+ then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: ***" >&5
+$as_echo "$as_me: ***" >&6;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: *** It appears that you do not have the bfd development package installed." >&5
+$as_echo "$as_me: *** It appears that you do not have the bfd development package installed." >&6;}
+ if test "x${BFD_OPTION}" = "x" ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: *** Please install it to include ${BFD_DESCRIP} support" >&5
+$as_echo "$as_me: *** Please install it to include ${BFD_DESCRIP} support" >&6;}
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: *** Please install it to include ${BFD_DESCRIP} support, or re-run configure" >&5
+$as_echo "$as_me: *** Please install it to include ${BFD_DESCRIP} support, or re-run configure" >&6;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: *** without explicitly specifying --with-${BFD_OPTION}" >&5
+$as_echo "$as_me: *** without explicitly specifying --with-${BFD_OPTION}" >&6;}
+ fi
+ exit 1
+ fi
+ BFD_LIB=""
+ BFD_INCLUDE=""
+ PBX_BFD=0
+ else
+ PBX_BFD=1
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_BFD 1
+_ACEOF
+ fi
+ elif test -n "${BFD_MANDATORY}";
+ then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: ***" >&5
+$as_echo "$as_me: ***" >&6;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: *** The ${BFD_DESCRIP} installation on this system appears to be broken." >&5
+$as_echo "$as_me: *** The ${BFD_DESCRIP} installation on this system appears to be broken." >&6;}
+ if test "x${BFD_OPTION}" = "x" ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: *** Please correct the installation" >&5
+$as_echo "$as_me: *** Please correct the installation" >&6;}
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: *** Either correct the installation, or run configure" >&5
+$as_echo "$as_me: *** Either correct the installation, or run configure" >&6;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: *** without explicitly specifying --with-${BFD_OPTION}" >&5
+$as_echo "$as_me: *** without explicitly specifying --with-${BFD_OPTION}" >&6;}
+ fi
+ exit 1
+ fi
+fi
+
+
+
if test "${USE_CURSES}" != "no"; then
pbxlibdir=""
if test "x${CURSES_DIR}" != "x"; then
# by the --with option name, to make things easier for the users :-)
AST_EXT_LIB_SETUP([ALSA], [Advanced Linux Sound Architecture], [asound])
+AST_EXT_LIB_SETUP([BFD], [Debug symbol decoding], [bfd])
AST_EXT_LIB_SETUP([CAP], [POSIX 1.e capabilities], [cap])
AST_EXT_LIB_SETUP([CURSES], [curses], [curses])
AST_EXT_LIB_SETUP([DAHDI], [DAHDI], [dahdi])
AC_DEFINE([TYPEOF_FD_SET_FDS_BITS], [long long], [Define to a type of the same size as fd_set.fds_bits[[0]]])
fi ; fi ; fi
+AC_MSG_CHECKING(for dladdr in dlfcn.h)
+PBX_DLADDR=0
+old_LIBS=${LIBS}
+LIBS="${LIBS} -ldl"
+AC_LINK_IFELSE(
+ AC_LANG_PROGRAM([#define _GNU_SOURCE 1
+#include <dlfcn.h>],
+ [dladdr((void *)0, (void *)0)]
+ ),
+ AC_MSG_RESULT(yes)
+ PBX_DLADDR=1
+ AC_SUBST([PBX_DLADDR])
+ AC_DEFINE([HAVE_DLADDR], 1, [Define to 1 if your system has the dladdr() GNU extension]),
+ AC_MSG_RESULT(no)
+)
+LIBS=${old_LIBS}
+
# do the package library checks now
AST_EXT_LIB_CHECK([ALSA], [asound], [snd_spcm_init], [alsa/asoundlib.h], [-lm -ldl])
+AST_EXT_LIB_CHECK([BFD], [bfd], [bfd_openr], [bfd.h])
+
AST_EXT_LIB_CHECK([CURSES], [curses], [initscr], [curses.h])
if test "x${OSARCH}" = "xlinux-gnu" ; then
of your log files.
.TP
\fB-f\fR
-Do not fork or detach from controlling terminal. Overrides \fB-F\fR.
-.TP
-\fB-F\fR
-Always fork and detach from controlling terminal. Overrides \fB-f\fR.
+Do not fork or detach from controlling terminal.
.TP
\fB-g\fR
Remove resource limit on core size, thus forcing Asterisk to dump
attribute. */
#undef HAVE_ATTRIBUTE_warn_unused_result
+/* Define to 1 if you have the Debug symbol decoding library. */
+#undef HAVE_BFD
+
/* Define to 1 if you have the `bzero' function. */
#undef HAVE_BZERO
*/
#undef HAVE_DIRENT_H
+/* Define to 1 if your system has the dladdr() GNU extension */
+#undef HAVE_DLADDR
+
/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
#undef HAVE_DOPRNT
#define ast_assert(a)
#endif
+/*!\brief Resolve a binary to a full pathname
+ * \param binary Name of the executable to resolve
+ * \param fullpath Buffer to hold the complete pathname
+ * \param fullpath_size Size of \a fullpath
+ * \retval NULL \a binary was not found or the environment variable PATH is not set
+ * \return \a fullpath
+ */
+char *ast_utils_which(const char *binary, char *fullpath, size_t fullpath_size);
+
#endif /* _ASTERISK_UTILS_H */
AST_LIBS+=$(EDITLINE_LIB) -lm
endif
+ifneq ($(findstring BETTER_BACKTRACES,$(MENUSELECT_CFLAGS)),)
+ AST_LIBS+=$(BFD_LIB)
+endif
+
ifneq ($(findstring darwin,$(OSARCH)),)
AST_LIBS+=-lresolv
ifneq ($(findstring LOADABLE_MODULES,$(MENUSELECT_CFLAGS)),)
#include <errno.h>
#include <sys/stat.h>
#if ((defined(AST_DEVMODE)) && (defined(linux)))
-#include <execinfo.h>
-#define MAX_BACKTRACE_FRAMES 20
+# include <execinfo.h>
+# define MAX_BACKTRACE_FRAMES 20
+# if defined(HAVE_DLADDR) && defined(HAVE_BFD) && defined(BETTER_BACKTRACES)
+# include <dlfcn.h>
+# include <bfd.h>
+# endif
#endif
#define SYSLOG_NAMES /* so we can map syslog facilities names to their numeric values,
void ast_backtrace(void)
{
#ifdef linux
-#ifdef AST_DEVMODE
- int count=0, i=0;
+# ifdef AST_DEVMODE
+ int stackcount = 0, stackfr;
void **addresses;
+# if defined(HAVE_DLADDR) && defined(HAVE_BFD) && defined(BETTER_BACKTRACES)
+ bfd *bfdobj; /* bfd.h */
+ Dl_info dli; /* dlfcn.h */
+ long allocsize;
+ asymbol **syms = NULL; /* bfd.h */
+ bfd_vma offset; /* bfd.h */
+ const char *lastslash;
+ asection *section;
+ const char *file, *func;
+ unsigned int line;
+ char address_str[128];
+# else
char **strings;
+# endif
if ((addresses = ast_calloc(MAX_BACKTRACE_FRAMES, sizeof(*addresses)))) {
- count = backtrace(addresses, MAX_BACKTRACE_FRAMES);
- if ((strings = backtrace_symbols(addresses, count))) {
- ast_log(LOG_DEBUG, "Got %d backtrace record%c\n", count, count != 1 ? 's' : ' ');
- for (i=0; i < count ; i++) {
-#if __WORDSIZE == 32
- ast_log(LOG_DEBUG, "#%d: [%08X] %s\n", i, (unsigned int)addresses[i], strings[i]);
-#elif __WORDSIZE == 64
- ast_log(LOG_DEBUG, "#%d: [%016lX] %s\n", i, (unsigned long)addresses[i], strings[i]);
-#endif
+ stackcount = backtrace(addresses, MAX_BACKTRACE_FRAMES);
+# if defined(HAVE_DLADDR) && defined(HAVE_BFD) && defined(BETTER_BACKTRACES)
+ ast_log(LOG_DEBUG, "Got %d backtrace record%c\n", stackcount, stackcount != 1 ? 's' : ' ');
+ for (stackfr = 0; stackfr < stackcount; stackfr++) {
+ int found = 0, symbolcount;
+
+ if (!dladdr(addresses[stackfr], &dli)) {
+ continue;
+ }
+
+ if (strcmp(dli.dli_fname, "asterisk") == 0) {
+ char asteriskpath[256];
+ if (!(dli.dli_fname = ast_utils_which("asterisk", asteriskpath, sizeof(asteriskpath)))) {
+ /* This will fail to find symbols */
+ ast_log(LOG_DEBUG, "Failed to find asterisk binary for debug symbols.\n");
+ dli.dli_fname = "asterisk";
+ }
+ }
+
+ lastslash = strrchr(dli.dli_fname, '/');
+ if ( (bfdobj = bfd_openr(dli.dli_fname, NULL)) &&
+ bfd_check_format(bfdobj, bfd_object) &&
+ (allocsize = bfd_get_symtab_upper_bound(bfdobj)) > 0 &&
+ (syms = ast_malloc(allocsize)) &&
+ (symbolcount = bfd_canonicalize_symtab(bfdobj, syms))) {
+
+ if (bfdobj->flags & DYNAMIC) {
+ offset = addresses[stackfr] - dli.dli_fbase;
+ } else {
+ offset = addresses[stackfr] - (void *) 0;
+ }
+
+ for (section = bfdobj->sections; section; section = section->next) {
+ if ( !bfd_get_section_flags(bfdobj, section) & SEC_ALLOC ||
+ section->vma > offset ||
+ section->size + section->vma < offset) {
+ continue;
+ }
+
+ if (!bfd_find_nearest_line(bfdobj, section, syms, offset - section->vma, &file, &func, &line)) {
+ continue;
+ }
+
+ /* Stack trace output */
+ found++;
+ lastslash = strrchr(file, '/');
+# if __WORDSIZE == 32
+ if (dli.dli_saddr == NULL) {
+ address_str[0] = '\0';
+ } else {
+ snprintf(address_str, sizeof(address_str), " (%08lX+%lX)",
+ (unsigned long) dli.dli_saddr,
+ (unsigned long) (addresses[stackfr] - dli.dli_saddr));
+ }
+ ast_log(LOG_DEBUG, "#%d: [%08lX] %s:%u %s()%s\n", stackfr,
+ (unsigned long) addresses[stackfr],
+ lastslash ? lastslash + 1 : file, line,
+ S_OR(func, "???"),
+ address_str);
+# elif __WORDSIZE == 64
+ if (dli.dli_saddr == NULL) {
+ address_str[0] = '\0';
+ } else {
+ snprintf(address_str, sizeof(address_str), " (%016lX+%lX)",
+ (unsigned long) dli.dli_saddr,
+ (unsigned long) (addresses[stackfr] - dli.dli_saddr));
+ }
+ ast_log(LOG_DEBUG, "#%d: [%016lX] %s:%u %s()%s\n", stackfr,
+ (unsigned long) addresses[stackfr],
+ lastslash ? lastslash + 1 : file, line,
+ S_OR(func, "???"),
+ address_str);
+# endif
+
+ break;
+ }
+ }
+ if (bfdobj) {
+ bfd_close(bfdobj);
+ if (syms) {
+ ast_free(syms);
+ }
+ }
+
+ /* Default output, if we cannot find the information within BFD */
+ if (!found) {
+# if __WORDSIZE == 32
+ if (dli.dli_saddr == NULL) {
+ address_str[0] = '\0';
+ } else {
+ snprintf(address_str, sizeof(address_str), " (%08lX+%lX)",
+ (unsigned long) dli.dli_saddr,
+ (unsigned long) (addresses[stackfr] - dli.dli_saddr));
+ }
+ ast_log(LOG_DEBUG, "#%d: [%08lX] %s %s()%s\n", stackfr,
+ (unsigned long) addresses[stackfr],
+ lastslash ? lastslash + 1 : dli.dli_fname,
+ S_OR(dli.dli_sname, "<unknown>"),
+ address_str);
+# elif __WORDSIZE == 64
+ if (dli.dli_saddr == NULL) {
+ address_str[0] = '\0';
+ } else {
+ snprintf(address_str, sizeof(address_str), " (%016lX+%lX)",
+ (unsigned long) dli.dli_saddr,
+ (unsigned long) (addresses[stackfr] - dli.dli_saddr));
+ }
+ ast_log(LOG_DEBUG, "#%d: [%016lX] %s %s()%s\n", stackfr,
+ (unsigned long) addresses[stackfr],
+ lastslash ? lastslash + 1 : dli.dli_fname,
+ S_OR(dli.dli_sname, "<unknown>"),
+ address_str);
+# endif
+ }
+ }
+# else /* !defined(HAVE_DLADDR) || !defined(HAVE_BFD) || !defined(BETTER_BACKTRACES) */
+ if ((strings = backtrace_symbols(addresses, stackcount))) {
+ ast_log(LOG_DEBUG, "Got %d backtrace record%c\n", stackcount, stackcount != 1 ? 's' : ' ');
+ for (stackfr = 0; stackfr < stackcount ; stackfr++) {
+# if __WORDSIZE == 32
+ ast_log(LOG_DEBUG, "#%d: [%08X] %s\n", stackfr, (unsigned int)addresses[stackfr], strings[stackfr]);
+# elif __WORDSIZE == 64
+ ast_log(LOG_DEBUG, "#%d: [%016lX] %s\n", stackfr, (unsigned long)addresses[stackfr], strings[stackfr]);
+# endif
}
free(strings);
} else {
ast_log(LOG_DEBUG, "Could not allocate memory for backtrace\n");
}
+# endif /* defined(HAVE_DLADDR) && defined(HAVE_BFD) && defined(BETTER_BACKTRACES) */
free(addresses);
}
-#else
+# else /* !defined(AST_DEVMODE) */
ast_log(LOG_WARNING, "Must run configure with '--enable-dev-mode' for stack backtraces.\n");
-#endif
+# endif /* defined(AST_DEVMODE) */
#else /* ndef linux */
ast_log(LOG_WARNING, "Inline stack backtraces are only available on the Linux platform.\n");
#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <sys/stat.h>
#define AST_API_MODULE /* ensure that inlinable API functions will be built in lock.h if required */
#include "asterisk/lock.h"
return res;
}
#endif
+
+char *ast_utils_which(const char *binary, char *fullpath, size_t fullpath_size)
+{
+ const char *envPATH = getenv("PATH");
+ char *tpath, *path;
+ struct stat unused;
+ if (!envPATH) {
+ return NULL;
+ }
+ tpath = ast_strdupa(envPATH);
+ while ((path = strsep(&tpath, ":"))) {
+ snprintf(fullpath, fullpath_size, "%s/%s", path, binary);
+ if (!stat(fullpath, &unused)) {
+ return fullpath;
+ }
+ }
+ return NULL;
+}
+
ASOUND_INCLUDE=@ALSA_INCLUDE@
ASOUND_LIB=@ALSA_LIB@
+BFD_INCLUDE=@BFD_INCLUDE@
+BFD_LIB=@BFD_LIB@
+
CURL_INCLUDE=@CURL_INCLUDE@
CURL_LIB=@CURL_LIB@
projects / thirdparty / asterisk.git / commitdiff
