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x86: corrects vsyscall address for gettimeofday

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The vsyscall address for gettimeofday is 0xffffffffff600000ul. The offset
therefore should be 0x0 instead of 0x410. This can be cross checked with
the file sysdeps/unix/sysv/linux/x86_64/gettimeofday.c in source of glibc.

Committed by: Nilay Vaish <nilay@cs.wisc.edu>
This commit is contained in:
Michael Levenhagen 2013-04-23 15:21:32 -05:00
parent 794d00257a
commit 223f89a162
1 changed files with 1 additions and 1 deletions
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2
src/arch/x86/process.cc
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@ -98,7 +98,7 @@ X86_64LiveProcess::X86_64LiveProcess(LiveProcessParams *params,
vsyscallPage.base = 0xffffffffff600000ULL;
vsyscallPage.size = VMPageSize;
vsyscallPage.vtimeOffset = 0x400;
vsyscallPage.vgettimeofdayOffset = 0x410;
vsyscallPage.vgettimeofdayOffset = 0x0;
// Set up stack. On X86_64 Linux, stack goes from the top of memory
// downward, less the hole for the kernel address space plus one page