Bug 1432239 Declare operator new [](size_t, sandbox::AllocationType, void*) r=bobowen

MozReview-Commit-ID: GCKj5Ao2Y2n

--HG--
extra : rebase_source : d3f9b5cf14f60ba4c51375931b3de5b71b8312cc
This commit is contained in:
Tom Ritter 2017-03-08 19:16:46 +00:00
Родитель 8f71fc9e83
Коммит 7ae3c27af4
4 изменённых файлов: 66 добавлений и 1 удалений

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@ -0,0 +1,57 @@
# HG changeset patch
# User Tom Ritter <tom@mozilla.com>
# Date 1489000606 0
# Wed Mar 08 19:16:46 2017 +0000
# Node ID 522c35c24e2a46d97430b5f15e7703bc1c33784c
# Parent a99512c712f6580537e3133e5fd1adc091583e95
Bug 1230910 Declare operator new [](size_t, sandbox::AllocationType, void*)
MozReview-Commit-ID: GCKj5Ao2Y2n
diff --git a/security/sandbox/chromium/sandbox/win/src/sandbox_nt_util.cc b/security/sandbox/chromium/sandbox/win/src/sandbox_nt_util.cc
--- a/security/sandbox/chromium/sandbox/win/src/sandbox_nt_util.cc
+++ b/security/sandbox/chromium/sandbox/win/src/sandbox_nt_util.cc
@@ -649,16 +649,21 @@ void* operator new(size_t size, sandbox:
// TODO: Returning NULL from operator new has undefined behavior, but
// the Allocate() functions called above can return NULL. Consider checking
// for NULL here and crashing or throwing.
return result;
}
+void* operator new [](size_t size, sandbox::AllocationType type,
+ void* near_to) {
+ return operator new(size, type, near_to);
+}
+
void operator delete(void* memory, sandbox::AllocationType type) {
if (type == sandbox::NT_ALLOC) {
// Use default flags.
VERIFY(sandbox::g_nt.RtlFreeHeap(sandbox::g_heap, 0, memory));
} else if (type == sandbox::NT_PAGE) {
void* base = memory;
SIZE_T size = 0;
VERIFY_SUCCESS(sandbox::g_nt.FreeVirtualMemory(NtCurrentProcess, &base,
diff --git a/security/sandbox/chromium/sandbox/win/src/sandbox_nt_util.h b/security/sandbox/chromium/sandbox/win/src/sandbox_nt_util.h
--- a/security/sandbox/chromium/sandbox/win/src/sandbox_nt_util.h
+++ b/security/sandbox/chromium/sandbox/win/src/sandbox_nt_util.h
@@ -11,16 +11,18 @@
#include "base/macros.h"
#include "sandbox/win/src/nt_internals.h"
#include "sandbox/win/src/sandbox_nt_types.h"
// Placement new and delete to be used from ntdll interception code.
void* __cdecl operator new(size_t size, sandbox::AllocationType type,
void* near_to = NULL);
+void* __cdecl operator new[](size_t size, sandbox::AllocationType type,
+ void* near_to = NULL);
void __cdecl operator delete(void* memory, sandbox::AllocationType type);
// Add operator delete that matches the placement form of the operator new
// above. This is required by compiler to generate code to call operator delete
// in case the object's constructor throws an exception.
// See http://msdn.microsoft.com/en-us/library/cxdxz3x6.aspx
void __cdecl operator delete(void* memory, sandbox::AllocationType type,
void* near_to);

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@ -14,4 +14,5 @@ revert_TargetNtSetInformationThread_change.patch
mingw_base_win_get_caller.patch
mingw_duplicate_instatinations.patch
mingw_msvc_requirement_error.patch
mingw_copy_s.patch
mingw_copy_s.patch
mingw_operator_new.patch

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@ -654,6 +654,11 @@ void* operator new(size_t size, sandbox::AllocationType type,
return result;
}
void* operator new [](size_t size, sandbox::AllocationType type,
void* near_to) {
return operator new(size, type, near_to);
}
void operator delete(void* memory, sandbox::AllocationType type) {
if (type == sandbox::NT_ALLOC) {
// Use default flags.

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@ -16,6 +16,8 @@
// Placement new and delete to be used from ntdll interception code.
void* __cdecl operator new(size_t size, sandbox::AllocationType type,
void* near_to = NULL);
void* __cdecl operator new[](size_t size, sandbox::AllocationType type,
void* near_to = NULL);
void __cdecl operator delete(void* memory, sandbox::AllocationType type);
// Add operator delete that matches the placement form of the operator new
// above. This is required by compiler to generate code to call operator delete