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authorFrank Ch. Eigler <fche@elastic.org>2010-02-23 20:38:56 -0500
committerFrank Ch. Eigler <fche@elastic.org>2010-02-23 20:38:56 -0500
commitc7005ee1ba902de01a8863661a2031bfd45d3d40 (patch)
treee8a7bfa55c9afcfac71b5aafa5b54256f356c81a /tapset/i386/syscalls.stp
parent30263a7389d5c2712536b74656193708bbc64d49 (diff)
parent10328bcf86d49e5de83c5b22890204b5874740a9 (diff)
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Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
* 'master' of ssh://sources.redhat.com/git/systemtap: PR10719 part 1: Partial constant folding Simplify null_statement construction Fixed PR 11269 by properly handling mmap syscall 'fd' argument. Removed rvalue operator check. PR 10690 (partial fix). Handle '.=' operator in procfs probes. Conflicts: tapsets.h
Diffstat (limited to 'tapset/i386/syscalls.stp')
-rw-r--r--tapset/i386/syscalls.stp6
1 files changed, 4 insertions, 2 deletions
diff --git a/tapset/i386/syscalls.stp b/tapset/i386/syscalls.stp
index 821d77d4..2d1a282b 100644
--- a/tapset/i386/syscalls.stp
+++ b/tapset/i386/syscalls.stp
@@ -68,11 +68,13 @@ probe syscall.mmap2 = kernel.function("sys_mmap2") ?
length = $len
prot = $prot
flags = $flags
- fd = $fd
+ # Although the kernel gets an unsigned long fd, on the
+ # user-side it is a signed int. Fix this.
+ fd = __int32($fd)
pgoffset = $pgoff
argstr = sprintf("%p, %d, %s, %s, %d, %d", $addr,
$len, _mprotect_prot_str($prot), _mmap_flags($flags),
- $fd, $pgoff)
+ __int32($fd), $pgoff)
}
probe syscall.mmap2.return = kernel.function("sys_mmap2").return ?
{