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PPC64: warn on large .toc
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: binutils at sources dot redhat dot com
- Date: Tue, 27 Jul 2004 23:26:25 +0930
- Subject: PPC64: warn on large .toc
The linker is going to complain if a TOC section is too large, but it's
nice to get a warning a little earlier.
* config/tc-ppc.c (ppc_frob_file_before_adjust): Warn if .toc too big.
(ppc_arch): Expand comment.
Index: gas/config/tc-ppc.c
===================================================================
RCS file: /cvs/src/src/gas/config/tc-ppc.c,v
retrieving revision 1.90
diff -u -p -r1.90 tc-ppc.c
--- gas/config/tc-ppc.c 27 Jul 2004 11:37:08 -0000 1.90
+++ gas/config/tc-ppc.c 27 Jul 2004 13:53:02 -0000
@@ -1156,7 +1156,8 @@ ppc_set_cpu ()
}
}
-/* Figure out the BFD architecture to use. */
+/* Figure out the BFD architecture to use. This function and ppc_mach
+ are called well before md_begin, when the output file is opened. */
enum bfd_architecture
ppc_arch ()
@@ -1891,6 +1892,7 @@ void
ppc_frob_file_before_adjust ()
{
symbolS *symp;
+ asection *toc;
if (!ppc_obj64)
return;
@@ -1922,6 +1924,11 @@ ppc_frob_file_before_adjust ()
}
+ toc = bfd_get_section_by_name (stdoutput, ".toc");
+ if (toc != NULL
+ && bfd_section_size (stdoutput, toc) > 0x10000)
+ as_warn (_("TOC section size exceeds 64k"));
+
/* Don't emit .TOC. symbol. */
symp = symbol_find (".TOC.");
if (symp != NULL)
--
Alan Modra
IBM OzLabs - Linux Technology Centre