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From: "David Stubbs" <stubbs@IceraSemi.com>
To: <binutils@sourceware.org>
Cc: "Alan Modra" <amodra@gmail.com>,
	"sdkteam-gnu" <sdkteam-gnu@IceraSemi.com>
Subject: RE: VMA section overlap warnings for overlays
Date: Fri, 07 May 2010 16:14:00 -0000	[thread overview]
Message-ID: <4D60B0700D1DB54A8C0C6E9BE69163700EC60376@EXCHANGEVS.IceraSemi.local> (raw)
In-Reply-To: <20100424021750.GQ3510@bubble.grove.modra.org>

Hi,

If we have a single segment containing a BSS section followed by
overlays then we still get the overlap warning. 

Does the following patch look like the correct fix? I believe it fixes
my original test case, and I've also tested it on i686-pc-linux-gnu
without any problems.

Thanks,
Dave.

Bfd/ChangeLog:

2010-05-07  David Stubbs  <stubbs@icerasemi.com>

	* elf.c (assign_file_positions_for_load_sections): Calculate
adjust
	based on file size instead of memory size. Increment p->p_memsz
by 
	vma based calculation instead of adjust.

Index: bfd/elf.c
===================================================================
RCS file: /cvs/src/src/bfd/elf.c,v
retrieving revision 1.510
diff -u -p -r1.510 elf.c
--- bfd/elf.c	24 Apr 2010 01:05:24 -0000	1.510
+++ bfd/elf.c	7 May 2010 15:41:09 -0000
@@ -4453,17 +4453,17 @@ assign_file_positions_for_load_sections 
 		      && ((this_hdr->sh_flags & SHF_TLS) == 0
 			  || p->p_type == PT_TLS))))
 	    {
-	      bfd_vma adjust = sec->lma - (p->p_paddr + p->p_memsz);
+	      bfd_vma adjust = sec->lma - (p->p_paddr + p->p_filesz);
 
-	      if (sec->lma < p->p_paddr + p->p_memsz)
+	      if (sec->lma < p->p_paddr + p->p_filesz)
 		{
 		  (*_bfd_error_handler)
 		    (_("%B: section %A lma 0x%lx overlaps previous
sections"),
 		     abfd, sec, (unsigned long) sec->lma);
 		  adjust = 0;
-		  sec->lma = p->p_paddr + p->p_memsz;
+		  sec->lma = p->p_paddr + p->p_filesz;
 		}
-	      p->p_memsz += adjust;
+	      p->p_memsz += sec->vma - (p->p_vaddr + p->p_memsz);
 
 	      if (this_hdr->sh_type != SHT_NOBITS)
 		{

  reply	other threads:[~2010-05-07 16:14 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-16 13:29 David Stubbs
2010-04-21  8:25 ` Alan Modra
2010-04-21 14:44   ` David Stubbs
2010-04-22  1:11     ` Alan Modra
2010-04-22  1:53       ` Alan Modra
2010-04-22 12:39         ` David Stubbs
2010-04-24  2:18           ` Alan Modra
2010-05-07 16:14             ` David Stubbs [this message]
2010-05-08 11:49               ` Alan Modra
2010-05-12 13:19                 ` David Stubbs
2010-05-13  3:37                   ` Alan Modra
2010-07-15  8:11             ` Andreas Schwab
2010-07-15 13:10               ` Alan Modra
2010-07-15 13:46                 ` Andreas Schwab
2010-07-15 13:53                   ` H.J. Lu
2010-07-15 14:12                     ` Andreas Schwab
2010-07-15 14:17                       ` H.J. Lu
2010-07-15 14:18                     ` Alan Modra
2010-07-15 14:26                       ` H.J. Lu
2010-07-15 14:36                         ` Andreas Schwab
2010-07-15 19:09                           ` H.J. Lu
2010-07-16  7:39                             ` Andreas Schwab
2010-07-16 10:04                               ` Alan Modra
2010-07-19 12:43                                 ` Andreas Schwab
2010-07-20  5:45                                   ` Alan Modra
2010-07-20 14:11                                     ` Alan Modra
2011-02-24 23:49                                       ` H.J. Lu
2011-02-25  7:49                                         ` Alan Modra
2011-02-25 10:17                                           ` Andreas Schwab
2011-02-25 12:30                                           ` H.J. Lu
2011-02-25 15:55                                           ` H.J. Lu
2011-02-25 16:23                                             ` Andreas Schwab
2011-02-25 16:34                                               ` H.J. Lu
2010-08-28  1:02         ` H.J. Lu
2010-08-28 11:00           ` Alan Modra
2010-08-28 13:39             ` Alan Modra
2010-08-28 17:25               ` H.J. Lu
2010-08-30  4:46                 ` Alan Modra
2010-08-30  5:11                   ` H.J. Lu
2010-08-30  6:30                     ` Alan Modra

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