heads up: apparent GAS bug in current (CVS) binutils

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2005-05-13 07:55:40
Just a quick heads up (it's late here and I'll be on travel tomorrow
so I don't have time for a proper investigation/bug-report at the

If I build the kernel with the assembler from the current CVS
binutils, I see these errors:

ERROR: proc_set_irq_affinity: 179742 slots, total region length = 36
ERROR: idle_regs: 68847 slots, total region length = 15

The error in proc_set_irq_affinity() is definitely real and a result
of the assembler (the assembly code generated by GCC looks fine).  I
didn't check on idle_regs.

readelf -u vmlinux shows this:

<proc_set_irq_affinity>: [0xa00000010000ef60-0xa0000001000f9000], info at +0x765
  v1, flags=0x0 (), len=8 bytes

<move_irq>: [0xa00000010000f0c0-0xa00000010000f250], info at +0x75da00

Note how the end-address of proc_set_irq_affinity() is _way_ beyond
the start-address of the next function, move_irq.  Clearly something
weird happened here.

If I use the standard Debian/sarge assembler, these errors go away and
the unwind-info looks sane.

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Received on Thu May 12 17:57:29 2005

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:38 EST