[compiler-rt] 20d3e51 - tsan: use RawShadow instead of u64 more

[Dmitry Vyukov via llvm-commits]

Author: Dmitry Vyukov
Date: 2021-09-23T10:46:07+02:00
New Revision: 20d3e518010a2a4fa1f4cdc9b7b885f13966a19c

URL: https://github.com/llvm/llvm-project/commit/20d3e518010a2a4fa1f4cdc9b7b885f13966a19c
DIFF: https://github.com/llvm/llvm-project/commit/20d3e518010a2a4fa1f4cdc9b7b885f13966a19c.diff

LOG: tsan: use RawShadow instead of u64 more

Fix few remaining cases where we use u64 instead of the new RawShadow type.

Depends on D110265.

Reviewed By: melver

Differential Revision: https://reviews.llvm.org/D110266

Added: 
    

Modified: 
    compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp

Removed: 
    


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diff  --git a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
index 7bcde3c515fef..bb5ced75e4b19 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
@@ -184,12 +184,13 @@ static void MapRodata() {
   internal_unlink(name);  // Unlink it now, so that we can reuse the buffer.
   fd_t fd = openrv;
   // Fill the file with kShadowRodata.
-  const uptr kMarkerSize = 512 * 1024 / sizeof(u64);
-  InternalMmapVector<u64> marker(kMarkerSize);
+  const uptr kMarkerSize = 512 * 1024 / sizeof(RawShadow);
+  InternalMmapVector<RawShadow> marker(kMarkerSize);
   // volatile to prevent insertion of memset
-  for (volatile u64 *p = marker.data(); p < marker.data() + kMarkerSize; p++)
+  for (volatile RawShadow *p = marker.data(); p < marker.data() + kMarkerSize;
+       p++)
     *p = kShadowRodata;
-  internal_write(fd, marker.data(), marker.size() * sizeof(u64));
+  internal_write(fd, marker.data(), marker.size() * sizeof(RawShadow));
   // Map the file into memory.
   uptr page = internal_mmap(0, GetPageSizeCached(), PROT_READ | PROT_WRITE,
                             MAP_PRIVATE | MAP_ANONYMOUS, fd, 0);
@@ -209,9 +210,10 @@ static void MapRodata() {
       char *shadow_start = (char *)MemToShadow(segment.start);
       char *shadow_end = (char *)MemToShadow(segment.end);
       for (char *p = shadow_start; p < shadow_end;
-           p += marker.size() * sizeof(u64)) {
-        internal_mmap(p, Min<uptr>(marker.size() * sizeof(u64), shadow_end - p),
-                      PROT_READ, MAP_PRIVATE | MAP_FIXED, fd, 0);
+           p += marker.size() * sizeof(RawShadow)) {
+        internal_mmap(
+            p, Min<uptr>(marker.size() * sizeof(RawShadow), shadow_end - p),
+            PROT_READ, MAP_PRIVATE | MAP_FIXED, fd, 0);
       }
     }
   }