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Switch gdb's TRY/CATCH to C++ try/catch

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The exceptions-across-readline issue was fixed by the previous commit.
Let's try this again.

gdb/ChangeLog:
2016-04-22  Pedro Alves  <palves@redhat.com>

	* common/common-exceptions.h (GDB_XCPT_TRY): Remove mention of
	the foreign frames issue.
	[__cplusplus] (GDB_XCPT): Define as GDB_XCPT_TRY.
This commit is contained in:
Pedro Alves 2016-04-22 16:18:33 +01:00
parent 89525768cd
commit 6290672f89
2 changed files with 12 additions and 5 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2016-04-22 Pedro Alves <palves@redhat.com>
* 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 <palves@redhat.com>
* common/common-exceptions.c (enum catcher_state, struct catcher)

11
gdb/common/common-exceptions.h
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@ -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