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VMA format in linker map file on 64-bit host for 32-bit target.

Sergey Organov sorganov@gmail.com
Tue Nov 17 15:20:00 GMT 2015 
Nick Clifton <nickc@redhat.com> writes:

> Hi Sergey,
>
>> I've build binutils-2.25.1 on x86_64 for --target=sparc-elf, and in the
>> map file for the target linker prints all the VMA addresses as 64-bit
>> (16-chars hexadecimals), that is inconvenient. Is there any configure or
>> invocation switch that controls this, or the only way is to build
>> binutils on 32-bit host?
>
> Sorry - the size of the VMA printing is controlled by the size of the
> host.  Have you tried this:
>
> 	CC="gcc -m32" CXX="g++ -m32" ABI="32" setarch i686 \
> 	<binutils-source)/configure \
> 	--target=sparc-elf

Now I did, and it does the trick, thanks!

Without this I've had to patch the sources like this (not a proper patch, I know,
as it breaks 64-bit targets):

	Modified   bfd/bfd-in.h
diff --git a/bfd/bfd-in.h b/bfd/bfd-in.h
index 1607872..b837289 100644
--- a/bfd/bfd-in.h
+++ b/bfd/bfd-in.h
@@ -144,8 +144,8 @@ typedef BFD_HOST_U_64_BIT symvalue;
 #endif
 
 #ifndef fprintf_vma
-#define sprintf_vma(s,x) sprintf (s, "%016" BFD_VMA_FMT "x", x)
-#define fprintf_vma(f,x) fprintf (f, "%016" BFD_VMA_FMT "x", x)
+#define sprintf_vma(s,x) sprintf (s, "%08" BFD_VMA_FMT "x", ((x) & ((1UL << 32) - 1)))
+#define fprintf_vma(f,x) fprintf (f, "%08" BFD_VMA_FMT "x", ((x) & ((1UL << 32) - 1)))
 #endif
 
 #else /* not BFD64  */

-- Sergey.
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