diff options
Diffstat (limited to 'browser/app/winlauncher/freestanding/ntdll_freestanding.def')
| -rw-r--r-- | browser/app/winlauncher/freestanding/ntdll_freestanding.def | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/browser/app/winlauncher/freestanding/ntdll_freestanding.def b/browser/app/winlauncher/freestanding/ntdll_freestanding.def new file mode 100644 index 0000000000..6e5e2685fe --- /dev/null +++ b/browser/app/winlauncher/freestanding/ntdll_freestanding.def @@ -0,0 +1,25 @@ +; This Source Code Form is subject to the terms of the Mozilla Public +; License, v. 2.0. If a copy of the MPL was not distributed with this +; file, You can obtain one at http://mozilla.org/MPL/2.0/. + +LIBRARY ntdll + +; When we compile with -freestanding, the compiler still requires implementation +; of the four functions listed below. +; +; We could implement our own naive versions of these functions, but that +; solution is less than ideal since the implementations must be extern and are +; thus picked up by the entire firefox.exe binary. This denies the rest of +; firefox.exe the benefit of optimized implementations. On Windows the +; sandbox is linked into firefox.exe, so we cannot just shrug and +; assume that a naive implementation will not have any effect on anything. +; +; There are, however, optimized implementations of these functions that are +; exported by ntdll.dll. OTOH, they are not included in the ntdll.lib +; import library. This .def file is used to build an import library that "fills +; in the blanks" and allows us to link into the ntdll implementations. +EXPORTS + memcmp + memcpy + memmove + memset |