0000 1000 0000 - 00f8 0000 0000: -
00c0 0000 0000 - 00e0 0000 0000: heap
00e0 0000 0000 - 0100 0000 0000: -
-0100 0000 0000 - 0380 0000 0000: shadow
-0380 0000 0000 - 0560 0000 0000: -
+0100 0000 0000 - 0500 0000 0000: shadow
+0500 0000 0000 - 0560 0000 0000: -
0560 0000 0000 - 0760 0000 0000: traces
0760 0000 0000 - 07d0 0000 0000: metainfo (memory blocks and sync objects)
07d0 0000 0000 - 8000 0000 0000: -
const uptr kTraceMemBeg = 0x056000000000ull;
const uptr kTraceMemEnd = 0x076000000000ull;
const uptr kShadowBeg = 0x010000000000ull;
-const uptr kShadowEnd = 0x038000000000ull;
+const uptr kShadowEnd = 0x050000000000ull;
const uptr kAppMemBeg = 0x000000001000ull;
const uptr kAppMemEnd = 0x00e000000000ull;
ALWAYS_INLINE
uptr MemToShadow(uptr x) {
DCHECK(IsAppMem(x));
- return ((x & ~(kShadowCell - 1)) * kShadowCnt) | kShadowBeg;
+ return ((x & ~(kShadowCell - 1)) * kShadowCnt) + kShadowBeg;
}
ALWAYS_INLINE
u32 *MemToMeta(uptr x) {
DCHECK(IsAppMem(x));
return (u32*)(((x & ~(kMetaShadowCell - 1)) / \
- kMetaShadowCell * kMetaShadowSize) | kMetaShadowEnd);
+ kMetaShadowCell * kMetaShadowSize) | kMetaShadowBeg);
}
ALWAYS_INLINE
uptr ShadowToMem(uptr s) {
CHECK(IsShadowMem(s));
// FIXME(dvyukov): this is most likely wrong as the mapping is not bijection.
- return (x & ~kShadowBeg) / kShadowCnt;
+ return (s - kShadowBeg) / kShadowCnt;
}
static USED uptr UserRegions[] = {
if (p < beg || p >= end)
continue;
const uptr s = MemToShadow(p);
- VPrintf(3, " checking pointer %p -> %p\n", p, s);
+ const uptr m = (uptr)MemToMeta(p);
+ VPrintf(3, " checking pointer %p: shadow=%p meta=%p\n", p, s, m);
CHECK(IsAppMem(p));
CHECK(IsShadowMem(s));
CHECK_EQ(p & ~(kShadowCell - 1), ShadowToMem(s));
- const uptr m = (uptr)MemToMeta(p);
CHECK(IsMetaMem(m));
}
}