Revert "[sanitizer] Introduce ReservedAddressRange to sanitizer_common"

This reverts commit r315493 which is failing to build on sanitizer-windows.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@315494 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 31 deletions

diff --git a/lib/sanitizer_common/sanitizer_fuchsia.cc b/lib/sanitizer_common/sanitizer_fuchsia.cc
index 00a8aabbf..21fabddb1 100644
--- a/lib/sanitizer_common/sanitizer_fuchsia.cc
+++ b/lib/sanitizer_common/sanitizer_fuchsia.cc
@@ -236,37 +236,6 @@ void *MmapOrDieOnFatalError(uptr size, const char *mem_type) {
   return DoAnonymousMmapOrDie(size, mem_type, false, false);
 }
 
-uptr ReservedAddressRange::Init(uptr init_size, const char* name = nullptr,
-                                uptr fixed_addr = uptr(0)) {
-  base_ = MmapNoAccess(init_size);
-  size_ = size;
-  name_ = name;
-  return reinterpret_cast<uptr>(base_);
-}
-
-// Uses fixed_addr for now.
-// Will use offset instead once we've implemented this function for real.
-uptr ReservedAddressRange::Map(uptr fixed_addr, uptr map_size,
-                               bool tolerate_enomem = true) {
-  return reinterpret_cast<uptr>(MmapFixedOrDie(fixed_addr, size,
-                                               tolerate_enomem));
-}
-
-void ReservedAddressRange::Unmap(uptr addr, uptr size) {
-  void* addr_as_void = reinterpret_cast<void*>(addr);
-  uptr base_as_uptr = reinterpret_cast<uptr>(base_);
-  // Only unmap at the beginning or end of the range.
-  CHECK_EQ((addr_as_void == base_) || (addr + size == base_as_uptr + size_),
-           true);
-  // Detect overflows.
-  CHECK_LE(size, (base_as_uptr + size_) - addr);
-  UnmapOrDie(reinterpret_cast<void*>(addr), size);
-  if (addr_as_void == base_) {
-    base_ = reinterpret_cast<void*>(addr + size);
-  }
-  size_ = size_ - size;
-}
-
 // MmapNoAccess and MmapFixedOrDie are used only by sanitizer_allocator.
 // Instead of doing exactly what they say, we make MmapNoAccess actually
 // just allocate a VMAR to reserve the address space.  Then MmapFixedOrDie