Module Name: src
Committed By: joerg
Date: Fri Dec 3 22:48:25 UTC 2010
Modified Files:
src/libexec/ld.elf_so/arch/x86_64: rtld_start.S
Log Message:
Add comment about the unusual stack alignment in .rtld_bind_start.
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/libexec/ld.elf_so/arch/x86_64/rtld_start.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/libexec/ld.elf_so/arch/x86_64/rtld_start.S
diff -u src/libexec/ld.elf_so/arch/x86_64/rtld_start.S:1.6 src/libexec/ld.elf_so/arch/x86_64/rtld_start.S:1.7
--- src/libexec/ld.elf_so/arch/x86_64/rtld_start.S:1.6 Fri Feb 28 22:37:35 2003
+++ src/libexec/ld.elf_so/arch/x86_64/rtld_start.S Fri Dec 3 22:48:25 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: rtld_start.S,v 1.6 2003/02/28 22:37:35 mycroft Exp $ */
+/* $NetBSD: rtld_start.S,v 1.7 2010/12/03 22:48:25 joerg Exp $ */
/*
* Copyright (c) 2001 Wasabi Systems, Inc.
@@ -67,6 +67,9 @@
.globl _rtld_bind_start
.type _rtld_bind_start,@function
_rtld_bind_start: # (obj, reloff)
+ # This function is called with a misaligned stack from the PLT
+ # due to the additional argument pushed.
+ # At this point %rsp % 16 == 8.
pushfq # save caller-saved registers
pushq %rax
pushq %rcx
