[Bug general/3763] testObjectFile(lib.elf.tests.TestElf)junit.framework.AssertionFailedError: section-1-alignment expected:<0> but was:<4> on x86_64

["jan dot kratochvil at redhat dot com" <sourceware-bugzilla@sourceware.org>]

------- Additional Comments From jan dot kratochvil at redhat dot com  2006-12-23 15:20 -------
Created an attachment (id=1470)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=1470&action=view)
`AC_SYS_LARGEFILE' for whole Frysk as elfutils is using it

This patch should be reviewed by a Frysk architect as I am not sure if this
change really needs to be global.
It is definitely needed for any code sharing ABI with elfutils as elfutils is
already using it.
It is also needed for any code accessing arbitrary files, which can be possibly
larger than 2GB.

Currently the layout:

/* Descriptor for data to be converted to or from memory format.  */
typedef struct
{
  void *d_buf;			/* Pointer to the actual data.	*/
  Elf_Type d_type;		/* Type of this piece of data.	*/
  unsigned int d_version;	/* ELF version.  */
  size_t d_size;		/* Size in bytes.  */
  off_t d_off;			/* Offset into section.  */ 
  size_t d_align;		/* Alignment in section.  */
} Elf_Data;

was handled differently in different parts of Frysk as `off_t' was sometimes
compiled on i686 as 4 bytes and sometimes as 8 bytes, therefore in some cases
`d_align' was fetched from a wrong offset.

After this `AC_SYS_LARGEFILE' fix gets committed the testcase
  frysk-imports$ ./TestRunner lib.elf.tests.TestElf
needs to be updated as currently it expects the buggy value 0 everywhere, there
should be some `expectedDataAlignments' and the alignments should match the
column `Al' of the output of:
  frysk-imports$ readelf -a ./frysk/pkgdatadir/helloworld.o


-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=3763

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