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[Bug libc/1458] mremap() fifth argument and MREMAP_FIXED not exposed in glibc
- From: "aruns at google dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 17 Nov 2007 07:22:08 -0000
- Subject: [Bug libc/1458] mremap() fifth argument and MREMAP_FIXED not exposed in glibc
- References: <20051011073351.1458.michael.kerrisk@gmx.net>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From aruns at google dot com 2007-11-17 07:22 -------
Making mremap() a function with variable number of arguments changes the ABI on
x86_64. Code compiled before this change will treat %rax as scratch. After the
change, the calling conventions expect %al to be set to the number of XMM
registers passed.
Is there a reason why mremap was not versioned after the change?
--
http://sourceware.org/bugzilla/show_bug.cgi?id=1458
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