Hi Bill,
> > I think the objc front-end is emitting the setjmp/longjmp calls
> > itself directly, not relying on the rest of the GCC EH mechanisms...
> >
> Yes. That's my understanding. If you look at
> obj-act.c:next_sjlj_build_try_catch_finally(), it has a big comment
> showing what it converts try-catch-finalize to.
I see. I wanted to examine how llvm-gcc-4.2 and mainline handle the testcase
2007-10-17-SJLJExceptions.m, but it doesn't compile with either:
$ gcc-4.2 -x objective-c 2007-10-17-SJLJExceptions.m -O2 -fexceptions -S -o -
.file "2007-10-17-SJLJExceptions.m"
2007-10-17-SJLJExceptions.m:3:34: error: Foundation/Foundation.h: No such file
or directory
2007-10-17-SJLJExceptions.m:5: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or
‘__attribute__’ before ‘*’ token
2007-10-17-SJLJExceptions.m:7: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or
‘__attribute__’ before ‘bork’
Ciao,
Duncan.
PS: the run line has "-arch i386". Is that right? My compiler doesn't
recognize it.
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