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Re: [PATCH] Objective-C language support.
- From: Jim Blandy <jimb at redhat dot com>
- To: Michael Snyder <msnyder at redhat dot com>
- Cc: Adam Fedor <fedor at doc dot com>, gdb-patches at sources dot redhat dot com
- Date: 14 Oct 2002 14:49:07 -0500
- Subject: Re: [PATCH] Objective-C language support.
- References: <3D889A97.90202@doc.com> <3DA36F49.8AD2DD1E@redhat.com>
This change is approved. (Thanks for the reminder, Michael.)
Michael Snyder <msnyder@redhat.com> writes:
> Adam Fedor wrote:
> >
> > This patch adds Objective-C language support to gdb based upon a patch
> > provided by Apple Computer Inc from their version of gdb. Note that the
> > patch only contains changes to existing files. New files (objc-lang.h,
> > objc-lang.c, objc-exp.y) and a gdb.objc testsuite directory are located at
> >
> > ftp://ftp.gnustep.org/pub/gnustep/contrib/gdb-objc-patch.tar.gz
>
> This change is (remotely) related to symbol tables, which belong to
> Jim Blandy and Elena Zannoni. Jim, do you have any objection to this
> change? I think it's almost obvious, and recommend it for approval.
>
>
> > * symtab.h: New objc_specific struct.
> > (SYMBOL_INIT_LANGUAGE_SPECIFIC): Handle ObjC.
> > (SYMBOL_DEMANGLED_NAME): Likewise.
>
> > Index: gdb/symtab.h
> > ===================================================================
> > RCS file: /cvs/src/src/gdb/symtab.h,v
> > retrieving revision 1.39
> > diff -u -p -r1.39 symtab.h
> > --- gdb/symtab.h 12 Sep 2002 19:19:37 -0000 1.39
> > +++ gdb/symtab.h 17 Sep 2002 19:31:07 -0000
> > @@ -89,6 +89,11 @@ struct general_symbol_info
> > char *demangled_name;
> > }
> > cplus_specific;
> > + struct objc_specific
> > + {
> > + char *demangled_name;
> > + }
> > + objc_specific;
> > #if 0
> > /* OBSOLETE struct chill_specific *//* For Chill */
> > /* OBSOLETE { */
> > @@ -146,6 +151,10 @@ extern CORE_ADDR symbol_overlayed_addres
> > { \
> > SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \
> > } \
> > + else if (SYMBOL_LANGUAGE (symbol) == language_objc) \
> > + { \
> > + SYMBOL_OBJC_DEMANGLED_NAME (symbol) = NULL; \
> > + } \
> > /* OBSOLETE else if (SYMBOL_LANGUAGE (symbol) == language_chill) */ \
> > /* OBSOLETE { */ \
> > /* OBSOLETE SYMBOL_CHILL_DEMANGLED_NAME (symbol) = NULL; */ \
> > @@ -170,12 +179,17 @@ extern void symbol_init_demangled_name (
> > (SYMBOL_LANGUAGE (symbol) == language_cplus \
> > || SYMBOL_LANGUAGE (symbol) == language_java \
> > ? SYMBOL_CPLUS_DEMANGLED_NAME (symbol) \
> > + : (SYMBOL_LANGUAGE (symbol) == language_objc \
> > + ? SYMBOL_OBJC_DEMANGLED_NAME (symbol) \
> > : /* OBSOLETE (SYMBOL_LANGUAGE (symbol) == language_chill */ \
> > /* OBSOLETE ? SYMBOL_CHILL_DEMANGLED_NAME (symbol) */ \
> > - NULL)
> > + NULL))
> >
> > /* OBSOLETE #define SYMBOL_CHILL_DEMANGLED_NAME(symbol) */
> > /* OBSOLETE (symbol)->ginfo.language_specific.chill_specific.demangled_name */
> > +
> > +#define SYMBOL_OBJC_DEMANGLED_NAME(symbol) \
> > + (symbol)->ginfo.language_specific.objc_specific.demangled_name
> >
> > /* Macro that returns the "natural source name" of a symbol. In C++ this is
> > the "demangled" form of the name if demangle is on and the "mangled" form