configure.ac: Check for XCOFF32/XCOFF64.

* configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
	* filetype.awk: Separate AIX XCOFF32 and XCOFF64.
	* xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
	* configure, config.h.in: Regenerate.

From-SVN: r250590

libbacktrace/ChangeLog

@@ -1,3 +1,10 @@
+2017-07-26  Tony Reix  <tony.reix@atos.net>
+
+	* configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
+	* filetype.awk: Separate AIX XCOFF32 and XCOFF64.
+	* xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
+	* configure, config.h.in: Regenerate.
+
 2017-07-21  Tony Reix  <tony.reix@atos.net>
 
 	* filetype.awk: Add AIX XCOFF type detection.

libbacktrace/config.h.in

@@ -3,6 +3,9 @@
 /* ELF size: 32 or 64 */
 #undef BACKTRACE_ELF_SIZE
 
+/* XCOFF size: 32 or 64 */
+#undef BACKTRACE_XCOFF_SIZE
+
 /* Define to 1 if you have the __atomic functions */
 #undef HAVE_ATOMIC_FUNCTIONS
 
@@ -31,6 +34,9 @@
 /* Define to 1 if you have the <link.h> header file. */
 #undef HAVE_LINK_H
 
+/* Define if AIX loadquery is available. */
+#undef HAVE_LOADQUERY
+
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 
@@ -49,6 +55,9 @@
 /* Define to 1 if you have the __sync functions */
 #undef HAVE_SYNC_FUNCTIONS
 
+/* Define to 1 if you have the <sys/ldr.h> header file. */
+#undef HAVE_SYS_LDR_H
+
 /* Define to 1 if you have the <sys/mman.h> header file. */
 #undef HAVE_SYS_MMAN_H
 

libbacktrace/configure

@@ -12048,9 +12048,9 @@ elf*) FORMAT_FILE="elf.lo" ;;
 pecoff) FORMAT_FILE="pecoff.lo"
         backtrace_supports_data=no
 	;;
-xcoff) FORMAT_FILE="xcoff.lo"
-       backtrace_supports_data=no
-       ;;
+xcoff*) FORMAT_FILE="xcoff.lo"
+        backtrace_supports_data=no
+        ;;
 *) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: could not determine output file type" >&5
 $as_echo "$as_me: WARNING: could not determine output file type" >&2;}
    FORMAT_FILE="unknown.lo"
@@ -12072,6 +12072,19 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+# XCOFF defines.
+xcoffsize=
+case "$libbacktrace_cv_sys_filetype" in
+xcoff32) xcoffsize=32 ;;
+xcoff64) xcoffsize=64 ;;
+*)       xcoffsize=unused
+esac
+
+cat >>confdefs.h <<_ACEOF
+#define BACKTRACE_XCOFF_SIZE $xcoffsize
+_ACEOF
+
+
 BACKTRACE_SUPPORTED=0
 if test "$backtrace_supported" = "yes"; then
   BACKTRACE_SUPPORTED=1
@@ -12610,6 +12623,53 @@ $as_echo "#define HAVE_DL_ITERATE_PHDR 1" >>confdefs.h
 
 fi
 
+# Check for loadquery.
+for ac_header in sys/ldr.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/ldr.h" "ac_cv_header_sys_ldr_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_ldr_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_LDR_H 1
+_ACEOF
+
+fi
+
+done
+
+if test "$ac_cv_header_sys_ldr_h" = "no"; then
+  have_loadquery=no
+else
+  if test -n "${with_target_subdir}"; then
+    # When built as a GCC target library, we can't do a link test.
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/ldr.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "loadquery" >/dev/null 2>&1; then :
+  have_loadquery=yes
+else
+  have_loadquery=no
+fi
+rm -f conftest*
+
+  else
+    ac_fn_c_check_func "$LINENO" "loadquery" "ac_cv_func_loadquery"
+if test "x$ac_cv_func_loadquery" = x""yes; then :
+  have_loadquery=yes
+else
+  have_loadquery=no
+fi
+
+  fi
+fi
+if test "$have_loadquery" = "yes"; then
+
+$as_echo "#define HAVE_LOADQUERY 1" >>confdefs.h
+
+fi
+
 # Check for the fcntl function.
 if test -n "${with_target_subdir}"; then
    case "${host}" in

libbacktrace/configure.ac

@@ -233,9 +233,9 @@ elf*) FORMAT_FILE="elf.lo" ;;
 pecoff) FORMAT_FILE="pecoff.lo"
         backtrace_supports_data=no
 	;;
-xcoff) FORMAT_FILE="xcoff.lo"
-       backtrace_supports_data=no
-       ;;
+xcoff*) FORMAT_FILE="xcoff.lo"
+        backtrace_supports_data=no
+        ;;
 *) AC_MSG_WARN([could not determine output file type])
    FORMAT_FILE="unknown.lo"
    backtrace_supported=no
@@ -252,6 +252,15 @@ elf64) elfsize=64 ;;
 esac
 AC_DEFINE_UNQUOTED([BACKTRACE_ELF_SIZE], [$elfsize], [ELF size: 32 or 64])
 
+# XCOFF defines.
+xcoffsize=
+case "$libbacktrace_cv_sys_filetype" in
+xcoff32) xcoffsize=32 ;;
+xcoff64) xcoffsize=64 ;;
+*)       xcoffsize=unused
+esac
+AC_DEFINE_UNQUOTED([BACKTRACE_XCOFF_SIZE], [$xcoffsize], [XCOFF size: 32 or 64])
+
 BACKTRACE_SUPPORTED=0
 if test "$backtrace_supported" = "yes"; then
   BACKTRACE_SUPPORTED=1
@@ -330,6 +339,24 @@ if test "$have_dl_iterate_phdr" = "yes"; then
   AC_DEFINE(HAVE_DL_ITERATE_PHDR, 1, [Define if dl_iterate_phdr is available.])
 fi
 
+# Check for loadquery.
+AC_CHECK_HEADERS(sys/ldr.h)
+if test "$ac_cv_header_sys_ldr_h" = "no"; then
+  have_loadquery=no
+else
+  if test -n "${with_target_subdir}"; then
+    # When built as a GCC target library, we can't do a link test.
+    AC_EGREP_HEADER([loadquery], [sys/ldr.h], [have_loadquery=yes],
+		    [have_loadquery=no])
+  else
+    AC_CHECK_FUNC([loadquery], [have_loadquery=yes],
+		  [have_loadquery=no])
+  fi
+fi
+if test "$have_loadquery" = "yes"; then
+  AC_DEFINE(HAVE_LOADQUERY, 1, [Define if AIX loadquery is available.])
+fi
+
 # Check for the fcntl function.
 if test -n "${with_target_subdir}"; then
    case "${host}" in

libbacktrace/elf.c

@@ -70,7 +70,7 @@ dl_iterate_phdr (int (*callback) (struct dl_phdr_info *,
    ELF.  We could make this code test and support either possibility,
    but there is no point.  This code only works for the currently
    running executable, which means that we know the ELF mode at
-   configure mode.  */
+   configure time.  */
 
 #if BACKTRACE_ELF_SIZE != 32 && BACKTRACE_ELF_SIZE != 64
 #error "Unknown BACKTRACE_ELF_SIZE"

libbacktrace/filetype.awk

@@ -3,6 +3,6 @@
 /\177ELF\002/ { if (NR == 1) { print "elf64"; exit } }
 /\114\001/    { if (NR == 1) { print "pecoff"; exit } }
 /\144\206/    { if (NR == 1) { print "pecoff"; exit } }
-/\001\337/    { if (NR == 1) { print "xcoff"; exit } }
-/\001\367/    { if (NR == 1) { print "xcoff"; exit } }
+/\001\337/    { if (NR == 1) { print "xcoff32"; exit } }
+/\001\367/    { if (NR == 1) { print "xcoff64"; exit } }