From 6290672f89d5638a9da5ce10b2f4ba793dcc6396 Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Fri, 22 Apr 2016 16:18:33 +0100 Subject: [PATCH] Switch gdb's TRY/CATCH to C++ try/catch The exceptions-across-readline issue was fixed by the previous commit. Let's try this again. gdb/ChangeLog: 2016-04-22 Pedro Alves * common/common-exceptions.h (GDB_XCPT_TRY): Remove mention of the foreign frames issue. [__cplusplus] (GDB_XCPT): Define as GDB_XCPT_TRY. --- gdb/ChangeLog | 6 ++++++ gdb/common/common-exceptions.h | 11 ++++++----- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 408a179..828d390 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,11 @@ 2016-04-22 Pedro Alves + * common/common-exceptions.h (GDB_XCPT_TRY): Remove mention of + the foreign frames issue. + [__cplusplus] (GDB_XCPT): Define as GDB_XCPT_TRY. + +2016-04-22 Pedro Alves + * common/common-exceptions.c (enum catcher_state, struct catcher) (current_catcher): Define in C++ mode too. (exceptions_state_mc_catch): Call throw_exception_sjlj instead of diff --git a/gdb/common/common-exceptions.h b/gdb/common/common-exceptions.h index 84abcae..c494de2 100644 --- a/gdb/common/common-exceptions.h +++ b/gdb/common/common-exceptions.h @@ -122,9 +122,7 @@ struct gdb_exception the only mode supported when GDB is built as a C program. */ #define GDB_XCPT_SJMP 1 -/* Make GDB exceptions use try/catch behind the scenes. Can't be made - the default until we handle exceptions crossing foreign frames - (gdb -> readline callback -> gdb -> error). */ +/* Make GDB exceptions use try/catch behind the scenes. */ #define GDB_XCPT_TRY 2 /* Specify this mode to build with TRY/CATCH mapped directly to raw @@ -133,8 +131,11 @@ struct gdb_exception spurious code between the TRY and the CATCH block. */ #define GDB_XCPT_RAW_TRY 3 -/* Always use setjmp/longmp, even in C++ mode. */ -#define GDB_XCPT GDB_XCPT_SJMP +#ifdef __cplusplus +# define GDB_XCPT GDB_XCPT_TRY +#else +# define GDB_XCPT GDB_XCPT_SJMP +#endif /* Functions to drive the sjlj-based exceptions state machine. Though declared here by necessity, these functions should be considered -- 2.7.4