Introduce common/common-exceptions.[ch]

This commit moves the exception throwing and catching code
into gdb/common/.  All exception printing code remains in
gdb/exceptions.[ch].

gdb/ChangeLog:

	* common/common-exceptions.h: New file.
	* common/common-exceptions.c: Likewise.
	* Makefile.in (SFILES): Add common/common-exceptions.c.
	(HFILES_NO_SRCDIR): Add common/common-exceptions.h.
	(COMMON_OBS): Add common-exceptions.o.
	(common-exceptions.o): New rule.
	* exceptions.h (common-exceptions.h): Include.
	(gdb_setjmp.h): Do not include.
	(return_reason): Moved to common-exceptions.h.
	(enum return_reason): Likewise.
	(RETURN_MASK): Likewise.
	(typedef return_mask): Likewise.
	(enum errors): Likewise.
	(struct gdb_exception): Likewise.
	(exceptions_state_mc_init): Likewise.
	(exceptions_state_mc_action_iter): Likewise.
	(exceptions_state_mc_action_iter_1): Likewise.
	(TRY_CATCH): Likewise.
	(throw_exception): Likewise.
	(throw_verror): Likewise.
	(throw_vquit): Likewise.
	(throw_error): Likewise.
	(throw_quit): Likewise.
	* exceptions.c (enum catcher_state): Moved to common-exceptions.c.
	(enum catcher_action): Likewise.
	(struct catcher): Likewise.
	(current_catcher): Likewise.
	(catcher_list_size): Likewise.
	(exceptions_state_mc_init): Likewise.
	(catcher_pop): Likewise.
	(exceptions_state_mc): Likewise.
	(exceptions_state_mc_action_iter): Likewise.
	(exceptions_state_mc_action_iter_1): Likewise.
	(throw_exception): Likewise.
	(exception_messages): Likewise.
	(exception_messages_size): Likewise.
	(throw_it): Likewise.
	(throw_verror): Likewise.
	(throw_vquit): Likewise.
	(throw_error): Likewise.
	(throw_quit): Likewise.
	(prepare_to_throw_exception): New function.

gdb/gdbserver/ChangeLog:

	* Makefile.in (SFILES): Add common/common-exceptions.c.
	(OBS): Add common-exceptions.o.
	(common-exceptions.o): New rule.
	* utils.c (prepare_to_throw_exception): New function.

3 files changed, 21 insertions, 1 deletions

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 453854e..89cafa6 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,5 +1,12 @@
 2014-08-29  Gary Benson  <gbenson@redhat.com>
 
+	* Makefile.in (SFILES): Add common/common-exceptions.c.
+	(OBS): Add common-exceptions.o.
+	(common-exceptions.o): New rule.
+	* utils.c (prepare_to_throw_exception): New function.
+
+2014-08-29  Gary Benson  <gbenson@redhat.com>
+
 	* config.in: Regenerate.
 	* configure: Likewise.
 
diff --git a/gdb/gdbserver/Makefile.in b/gdb/gdbserver/Makefile.in
index f130082..21ac6f2 100644
--- a/gdb/gdbserver/Makefile.in
+++ b/gdb/gdbserver/Makefile.in
@@ -170,7 +170,8 @@ SFILES=	$(srcdir)/gdbreplay.c $(srcdir)/inferiors.c $(srcdir)/dll.c \
 	$(srcdir)/common/filestuff.c $(srcdir)/target/waitstatus.c \
 	$(srcdir)/nat/mips-linux-watch.c $(srcdir)/common/print-utils.c \
 	$(srcdir)/common/rsp-low.c $(srcdir)/common/errors.c \
-	$(srcdir)/common/common-debug.c $(srcdir)/common/cleanups.c
+	$(srcdir)/common/common-debug.c $(srcdir)/common/cleanups.c \
+	$(srcdir)/common/common-exceptions.c
 
 DEPFILES = @GDBSERVER_DEPFILES@
 
@@ -184,6 +185,7 @@ OBS = agent.o ax.o inferiors.o regcache.o remote-utils.o server.o signals.o \
       mem-break.o hostio.o event-loop.o tracepoint.o xml-utils.o \
       common-utils.o ptid.o buffer.o format.o filestuff.o dll.o notif.o \
       tdesc.o print-utils.o rsp-low.o errors.o common-debug.o cleanups.o \
+      common-exceptions.o \
       $(XML_BUILTIN) $(DEPFILES) $(LIBOBJS)
 GDBREPLAY_OBS = gdbreplay.o version.o
 GDBSERVER_LIBS = @GDBSERVER_LIBS@
@@ -547,6 +549,9 @@ common-debug.o: ../common/common-debug.c
 cleanups.o: ../common/cleanups.c
 	$(COMPILE) $<
 	$(POSTCOMPILE)
+common-exceptions.o: ../common/common-exceptions.c
+	$(COMPILE) $<
+	$(POSTCOMPILE)
 waitstatus.o: ../target/waitstatus.c
 	$(COMPILE) $<
 	$(POSTCOMPILE)
diff --git a/gdb/gdbserver/utils.c b/gdb/gdbserver/utils.c
index 244e114..e310b9e 100644
--- a/gdb/gdbserver/utils.c
+++ b/gdb/gdbserver/utils.c
@@ -141,3 +141,11 @@ pfildes (gdb_fildes_t fd)
   return plongest (fd);
 #endif
 }
+
+/* See common/common-exceptions.h.  */
+
+void
+prepare_to_throw_exception (void)
+{
+  /* No client-specific actions required.  */
+}