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From: Jim Blandy <jimb@codesourcery.com>
To: Carlos Eduardo Seo <cseo@linux.vnet.ibm.com>
Cc: Joel Brobecker <brobecker@adacore.com>,  gdb-patches@sourceware.org
Subject: Re: Problems while debugging fortran
Date: Thu, 25 Oct 2007 17:05:00 -0000	[thread overview]
Message-ID: <m3ejfjyxq1.fsf@codesourcery.com> (raw)
In-Reply-To: <20071025154107.GA13835@caradoc.them.org> (Daniel Jacobowitz's message of "Thu, 25 Oct 2007 11:41:07 -0400")


Daniel Jacobowitz <drow at false.org> writes:
> On Thu, Oct 25, 2007 at 08:30:38AM -0700, Jim Blandy wrote:
>> This comment isn't right.  The Fortran main program expects to have
>> its arguments passed to it differently than other subroutines or
>> functions; that's what DW_AT_calling_convention is meant to express.
>> The comment should say something like:
>> 
>>   /* DWARF doesn't provide a way to identify a program's entry point.
>>      However, the Fortran main program receives its arguments via a
>>      special calling convention; we look for that to recognize the
>>      program's entry point.  */
>
> Have we concluded that this is true?  If so, is there any reason we
> should not make gfortran generate this attribute?  And if so, why
> not GNAT or GCJ too?

We've been discussing this on the DWARF committee.  That attribute is
definitely not meant to be used to recognize the Fortran main program.
There's a proposal for an attribute that really does what we want, but
it's been sent back for revision.


  parent reply	other threads:[~2007-10-25 16:18 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <46F2CE45.5020308@linux.vnet.ibm.com>
     [not found] ` <20070920204622.GB4368@adacore.com>
     [not found]   ` <20070920205629.GA17779@caradoc.them.org>
     [not found]     ` <46FAD136.5030406@linux.vnet.ibm.com>
     [not found]       ` <20070926214619.GC9403@adacore.com>
     [not found]         ` <471F70C0.3000206@linux.vnet.ibm.com>
     [not found]           ` <20071024193336.GI11797@adacore.com>
     [not found]             ` <20071024195719.GA16009@caradoc.them.org>
     [not found]               ` <471FA810.6080506@linux.vnet.ibm.com>
     [not found]                 ` <471FBF9E.5000607@linux.vnet.ibm.com>
2007-10-24 22:14                   ` Joel Brobecker
2007-10-25 14:10                     ` Carlos Eduardo Seo
2007-10-25 15:41                       ` Jim Blandy
2007-10-25 16:15                         ` Daniel Jacobowitz
2007-10-25 16:18                           ` Carlos Eduardo Seo
2007-10-25 17:05                           ` Jim Blandy [this message]
2007-10-25 18:19                             ` Daniel Jacobowitz
2007-10-25 19:05                               ` Jim Blandy
2007-10-25 19:23                                 ` Joel Brobecker
2007-10-25 19:10                         ` Joel Brobecker
2007-10-25 19:35                           ` Jim Blandy
2007-10-25 20:00                             ` Daniel Jacobowitz
2007-10-25 20:32                               ` Carlos Eduardo Seo
     [not found] <19c433eb0710250906k392cecf8t1f99595d5c5a8107@mail.gmail.com>
     [not found] ` <20071025170621.GA27275@caradoc.them.org>
     [not found]   ` <m3lk9rxceq.fsf@codesourcery.com>
     [not found]     ` <20071025190150.GA1560@caradoc.them.org>
     [not found]       ` <m3tzof9eqq.fsf@codesourcery.com>
     [not found]         ` <20071025202406.GC4063@adacore.com>
2007-10-25 20:41           ` Carlos Eduardo Seo
2007-10-25 20:55             ` Joel Brobecker
2007-10-25 21:47               ` Carlos Eduardo Seo
2007-10-25 20:57             ` Andreas Schwab

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