gdb and binutils branch master updated. 493443a47f514251f12e08223b2c56f0fed69015

[kettenis@sourceware.org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=493443a47f514251f12e08223b2c56f0fed69015

commit 493443a47f514251f12e08223b2c56f0fed69015
Author: Mark Kettenis <kettenis@gnu.org>
Date:   Wed Feb 12 14:51:19 2014 +0100

    FIX EOF detection in PT_IO-based to_xfer_partial implementation.
    
    At least on OpenBSD PT_IO/PIOD_READ_AUXV can return sucessfully without
    transferring any bytes.  Arguably a kernel bug, but interpreting this as EOF
    seems sensible.
    
    gdb/ChangeLog:
    
            * inf-ptrace.c (inf_ptrace_xfer_partial): Return TARGET_XFER_EOF
            if a PT_IO ptrace request returns sucessfully but indicates that 0
            bytes were transferred.

-----------------------------------------------------------------------

Summary of changes:
 gdb/ChangeLog    |    6 ++++++
 gdb/inf-ptrace.c |    8 ++++----
 2 files changed, 10 insertions(+), 4 deletions(-)


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