[ASan] Print mmap errno/GetLastError in a readable and consistent way
Reviewed at http://llvm-reviews.chandlerc.com/D3107
llvm-svn: 204218
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_win.cc b/compiler-rt/lib/sanitizer_common/sanitizer_win.cc
index 21f92b3..d7d1c36 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_win.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_win.cc
@@ -80,8 +80,9 @@
void *MmapOrDie(uptr size, const char *mem_type) {
void *rv = VirtualAlloc(0, size, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
if (rv == 0) {
- Report("ERROR: Failed to allocate 0x%zx (%zd) bytes of %s\n",
- size, size, mem_type);
+ Report("ERROR: %s failed to "
+ "allocate 0x%zx (%zd) bytes of %s (error code: %d)\n",
+ SanitizerToolName, size, size, mem_type, GetLastError());
CHECK("unable to mmap" && 0);
}
return rv;
@@ -89,8 +90,9 @@
void UnmapOrDie(void *addr, uptr size) {
if (VirtualFree(addr, size, MEM_DECOMMIT) == 0) {
- Report("ERROR: Failed to deallocate 0x%zx (%zd) bytes at address %p\n",
- size, size, addr);
+ Report("ERROR: %s failed to "
+ "deallocate 0x%zx (%zd) bytes at address %p (error code: %d)\n",
+ SanitizerToolName, size, size, addr, GetLastError());
CHECK("unable to unmap" && 0);
}
}
@@ -101,8 +103,9 @@
void *p = VirtualAlloc((LPVOID)fixed_addr, size,
MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
if (p == 0)
- Report("ERROR: Failed to allocate 0x%zx (%zd) bytes at %p (%d)\n",
- size, size, fixed_addr, GetLastError());
+ Report("ERROR: %s failed to "
+ "allocate %p (%zd) bytes at %p (error code: %d)\n",
+ SanitizerToolName, size, size, fixed_addr, GetLastError());
return p;
}