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authorNAKAMURA Takumi <geek4civic@gmail.com>2013-08-22 15:14:53 +0000
committerNAKAMURA Takumi <geek4civic@gmail.com>2013-08-22 15:14:53 +0000
commit7b5d4f97a0ffe1f8ef37571d03fd9120f39529fb (patch)
treee1823957c517f418739ec9bb43365a2ba3903ba2 /llvm/lib/Support
parentedf7615332801f9c0b41b6e4560f3877df7b63d6 (diff)
downloadbcm5719-llvm-7b5d4f97a0ffe1f8ef37571d03fd9120f39529fb.tar.gz
bcm5719-llvm-7b5d4f97a0ffe1f8ef37571d03fd9120f39529fb.zip
[Win32] mapped_file_region: Fix a bug in CreateFileMapping() that Size must contain Offset when Offset >= 65536.
llvm-svn: 189021
Diffstat (limited to 'llvm/lib/Support')
-rw-r--r--llvm/lib/Support/Windows/Path.inc4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Support/Windows/Path.inc b/llvm/lib/Support/Windows/Path.inc
index 95caaa58d7a..645d5238dbc 100644
--- a/llvm/lib/Support/Windows/Path.inc
+++ b/llvm/lib/Support/Windows/Path.inc
@@ -726,8 +726,8 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
FileMappingHandle = ::CreateFileMapping(FileHandle,
0,
flprotect,
- Size >> 32,
- Size & 0xffffffff,
+ (Offset + Size) >> 32,
+ (Offset + Size) & 0xffffffff,
0);
if (FileMappingHandle == NULL) {
error_code ec = windows_error(GetLastError());
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