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PR/54052 CVS commit: [netbsd-7] src/sys/arch/amd64/include

The following reply was made to PR port-amd64/54052; it has been noted by GNATS.

From: "Manuel Bouyer" <>
Subject: PR/54052 CVS commit: [netbsd-7] src/sys/arch/amd64/include
Date: Sat, 30 Mar 2019 18:47:16 +0000

 Module Name:	src
 Committed By:	bouyer
 Date:		Sat Mar 30 18:47:15 UTC 2019
 Modified Files:
 	src/sys/arch/amd64/include [netbsd-7]: param.h
 Log Message:
 Pull up following revision(s) (requested by rin in ticket #1687):
 	sys/arch/amd64/include/param.h: revision 1.30
 Bump STACK_ALIGNBYTES to (16 - 1) to satisfy requirement by AMD64
 System V ABI in kernel level. This is because
 (1) for LLDB, we want to bypass libc/csu (and therefore manual stack
      alignment in _start), and
 (2) rtld in glibc >= 2.23 for Linux/x86_64 requires it.
 Fix SEGV for Linux/x86_64 binaries with glibc >= 2.23, reported as
 PR port-amd64/54052.
 To generate a diff of this commit:
 cvs rdiff -u -r1.18.14.1 -r1.18.14.2 src/sys/arch/amd64/include/param.h
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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