diff -r 000000000000 -r 6474c204b198 xpcom/glue/standalone/nsXPCOMGlue.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/glue/standalone/nsXPCOMGlue.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,928 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set ts=4 sw=4 et cindent: */
+/* 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/. */
+
+#include "nsXPCOMGlue.h"
+
+#include "nspr.h"
+#include "nsDebug.h"
+#include "nsIServiceManager.h"
+#include "nsXPCOMPrivate.h"
+#include "nsCOMPtr.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "mozilla/FileUtils.h"
+
+using namespace mozilla;
+
+#define XPCOM_DEPENDENT_LIBS_LIST "dependentlibs.list"
+
+static XPCOMFunctions xpcomFunctions;
+static bool do_preload = false;
+
+#if defined(XP_WIN)
+#define READ_TEXTMODE L"rt"
+#else
+#define READ_TEXTMODE "r"
+#endif
+
+#if defined(SUNOS4) || defined(NEXTSTEP) || \
+    defined(XP_DARWIN) || \
+    (defined(OPENBSD) || defined(NETBSD)) && !defined(__ELF__)
+#define LEADING_UNDERSCORE "_"
+#else
+#define LEADING_UNDERSCORE
+#endif
+
+#if defined(XP_WIN)
+#include <windows.h>
+#include <mbstring.h>
+#define snprintf _snprintf
+
+typedef HINSTANCE LibHandleType;
+
+static LibHandleType
+GetLibHandle(pathstr_t aDependentLib)
+{
+    LibHandleType libHandle =
+        LoadLibraryExW(aDependentLib, nullptr, LOAD_WITH_ALTERED_SEARCH_PATH);
+
+    if (!libHandle) {
+        DWORD err = GetLastError();
+#ifdef DEBUG
+        LPVOID lpMsgBuf;
+        FormatMessage(
+                      FORMAT_MESSAGE_ALLOCATE_BUFFER |
+                      FORMAT_MESSAGE_FROM_SYSTEM |
+                      FORMAT_MESSAGE_IGNORE_INSERTS,
+                      nullptr,
+                      err,
+                      MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+                      (LPTSTR) &lpMsgBuf,
+                      0,
+                      nullptr
+                      );
+        wprintf(L"Error loading %ls: %s\n", aDependentLib, lpMsgBuf);
+        LocalFree(lpMsgBuf);
+#endif
+    }
+
+    return libHandle;
+}
+
+static NSFuncPtr
+GetSymbol(LibHandleType aLibHandle, const char *aSymbol)
+{
+    return (NSFuncPtr) GetProcAddress(aLibHandle, aSymbol);
+}
+
+static void
+CloseLibHandle(LibHandleType aLibHandle)
+{
+    FreeLibrary(aLibHandle);
+}
+
+#elif defined(XP_MACOSX)
+#include <mach-o/dyld.h>
+
+typedef const mach_header *LibHandleType;
+
+static LibHandleType
+GetLibHandle(pathstr_t aDependentLib)
+{
+    LibHandleType libHandle = NSAddImage(aDependentLib,
+                                         NSADDIMAGE_OPTION_RETURN_ON_ERROR |
+                                         NSADDIMAGE_OPTION_MATCH_FILENAME_BY_INSTALLNAME);
+    if (!libHandle) {
+        NSLinkEditErrors linkEditError;
+        int errorNum;
+        const char *errorString;
+        const char *fileName;
+        NSLinkEditError(&linkEditError, &errorNum, &fileName, &errorString);
+        fprintf(stderr, "XPCOMGlueLoad error %d:%d for file %s:\n%s\n",
+                linkEditError, errorNum, fileName, errorString);
+    }
+    return libHandle;
+}
+
+static NSFuncPtr
+GetSymbol(LibHandleType aLibHandle, const char *aSymbol)
+{
+    // Try to use |NSLookupSymbolInImage| since it is faster than searching
+    // the global symbol table.  If we couldn't get a mach_header pointer
+    // for the XPCOM dylib, then use |NSLookupAndBindSymbol| to search the
+    // global symbol table (this shouldn't normally happen, unless the user
+    // has called XPCOMGlueStartup(".") and relies on libxpcom.dylib
+    // already being loaded).
+    NSSymbol sym = nullptr;
+    if (aLibHandle) {
+        sym = NSLookupSymbolInImage(aLibHandle, aSymbol,
+                                 NSLOOKUPSYMBOLINIMAGE_OPTION_BIND |
+                                 NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
+    } else {
+        if (NSIsSymbolNameDefined(aSymbol))
+            sym = NSLookupAndBindSymbol(aSymbol);
+    }
+    if (!sym)
+        return nullptr;
+
+    return (NSFuncPtr) NSAddressOfSymbol(sym);
+}
+
+static void
+CloseLibHandle(LibHandleType aLibHandle)
+{
+    // we cannot unload dylibs on OS X
+}
+
+#else
+#include <dlfcn.h>
+
+#if defined(MOZ_LINKER) && !defined(ANDROID)
+extern "C" {
+NS_HIDDEN __typeof(dlopen) __wrap_dlopen;
+NS_HIDDEN __typeof(dlsym) __wrap_dlsym;
+NS_HIDDEN __typeof(dlclose) __wrap_dlclose;
+}
+
+#define dlopen __wrap_dlopen
+#define dlsym __wrap_dlsym
+#define dlclose __wrap_dlclose
+#endif
+
+#ifdef NS_TRACE_MALLOC
+extern "C" {
+NS_EXPORT_(__ptr_t) __libc_malloc(size_t);
+NS_EXPORT_(__ptr_t) __libc_calloc(size_t, size_t);
+NS_EXPORT_(__ptr_t) __libc_realloc(__ptr_t, size_t);
+NS_EXPORT_(void)    __libc_free(__ptr_t);
+NS_EXPORT_(__ptr_t) __libc_memalign(size_t, size_t);
+NS_EXPORT_(__ptr_t) __libc_valloc(size_t);
+}
+
+static __ptr_t (*_malloc)(size_t) = __libc_malloc;
+static __ptr_t (*_calloc)(size_t, size_t) = __libc_calloc;
+static __ptr_t (*_realloc)(__ptr_t, size_t) = __libc_realloc;
+static void (*_free)(__ptr_t) = __libc_free;
+static __ptr_t (*_memalign)(size_t, size_t) = __libc_memalign;
+static __ptr_t (*_valloc)(size_t) = __libc_valloc;
+
+NS_EXPORT_(__ptr_t) malloc(size_t size)
+{
+    return _malloc(size);
+}
+
+NS_EXPORT_(__ptr_t) calloc(size_t nmemb, size_t size)
+{
+    return _calloc(nmemb, size);
+}
+
+NS_EXPORT_(__ptr_t) realloc(__ptr_t ptr, size_t size)
+{
+    return _realloc(ptr, size);
+}
+
+NS_EXPORT_(void) free(__ptr_t ptr)
+{
+    _free(ptr);
+}
+
+NS_EXPORT_(void) cfree(__ptr_t ptr)
+{
+    _free(ptr);
+}
+
+NS_EXPORT_(__ptr_t) memalign(size_t boundary, size_t size)
+{
+    return _memalign(boundary, size);
+}
+
+NS_EXPORT_(int)
+posix_memalign(void **memptr, size_t alignment, size_t size)
+{
+    __ptr_t ptr = _memalign(alignment, size);
+    if (!ptr)
+        return ENOMEM;
+    *memptr = ptr;
+    return 0;
+}
+
+NS_EXPORT_(__ptr_t) valloc(size_t size)
+{
+    return _valloc(size);
+}
+#endif /* NS_TRACE_MALLOC */
+
+typedef void *LibHandleType;
+
+static LibHandleType
+GetLibHandle(pathstr_t aDependentLib)
+{
+    LibHandleType libHandle = dlopen(aDependentLib, RTLD_GLOBAL | RTLD_LAZY);
+    if (!libHandle) {
+        fprintf(stderr, "XPCOMGlueLoad error for file %s:\n%s\n", aDependentLib, dlerror());
+    }
+    return libHandle;
+}
+
+static NSFuncPtr
+GetSymbol(LibHandleType aLibHandle, const char *aSymbol)
+{
+    return (NSFuncPtr) dlsym(aLibHandle, aSymbol);
+}
+
+static void
+CloseLibHandle(LibHandleType aLibHandle)
+{
+    dlclose(aLibHandle);
+}
+#endif
+
+struct DependentLib
+{
+    LibHandleType libHandle;
+    DependentLib *next;
+};
+
+static DependentLib *sTop;
+
+static void
+AppendDependentLib(LibHandleType libHandle)
+{
+    DependentLib *d = new DependentLib;
+    if (!d)
+        return;
+
+    d->next = sTop;
+    d->libHandle = libHandle;
+
+    sTop = d;
+}
+
+static bool
+ReadDependentCB(pathstr_t aDependentLib, bool do_preload)
+{
+    if (do_preload) {
+        ReadAheadLib(aDependentLib);
+    }
+    LibHandleType libHandle = GetLibHandle(aDependentLib);
+    if (libHandle) {
+        AppendDependentLib(libHandle);
+    }
+
+    return libHandle;
+}
+
+#ifdef XP_WIN
+static bool
+ReadDependentCB(const char *aDependentLib, bool do_preload)
+{
+    wchar_t wideDependentLib[MAX_PATH];
+    MultiByteToWideChar(CP_UTF8, 0, aDependentLib, -1, wideDependentLib, MAX_PATH);
+    return ReadDependentCB(wideDependentLib, do_preload);
+}
+
+inline FILE *TS_tfopen (const char *path, const wchar_t *mode)
+{
+    wchar_t wPath[MAX_PATH];
+    MultiByteToWideChar(CP_UTF8, 0, path, -1, wPath, MAX_PATH);
+    return _wfopen(wPath, mode);
+}
+#else
+inline FILE *TS_tfopen (const char *path, const char *mode)
+{
+    return fopen(path, mode);
+}
+#endif
+
+/* RAII wrapper for FILE descriptors */
+struct ScopedCloseFileTraits
+{
+    typedef FILE *type;
+    static type empty() { return nullptr; }
+    static void release(type f) {
+        if (f) {
+            fclose(f);
+        }
+    }
+};
+typedef Scoped<ScopedCloseFileTraits> ScopedCloseFile;
+
+static void
+XPCOMGlueUnload()
+{
+#if !defined(XP_WIN) && !defined(XP_MACOSX) && defined(NS_TRACE_MALLOC)
+    if (sTop) {
+        _malloc = __libc_malloc;
+        _calloc = __libc_calloc;
+        _realloc = __libc_realloc;
+        _free = __libc_free;
+        _memalign = __libc_memalign;
+        _valloc = __libc_valloc;
+    }
+#endif
+
+    while (sTop) {
+        CloseLibHandle(sTop->libHandle);
+
+        DependentLib *temp = sTop;
+        sTop = sTop->next;
+
+        delete temp;
+    }
+}
+
+#if defined(XP_WIN)
+// like strpbrk but finds the *last* char, not the first
+static const char*
+ns_strrpbrk(const char *string, const char *strCharSet)
+{
+    const char *found = nullptr;
+    for (; *string; ++string) {
+        for (const char *search = strCharSet; *search; ++search) {
+            if (*search == *string) {
+                found = string;
+                // Since we're looking for the last char, we save "found"
+                // until we're at the end of the string.
+            }
+        }
+    }
+
+    return found;
+}
+#endif
+
+static GetFrozenFunctionsFunc
+XPCOMGlueLoad(const char *xpcomFile)
+{
+    char xpcomDir[MAXPATHLEN];
+#if defined(XP_WIN)
+    const char *lastSlash = ns_strrpbrk(xpcomFile, "/\\");
+#else
+    const char *lastSlash = strrchr(xpcomFile, '/');
+#endif
+    char *cursor;
+    if (lastSlash) {
+        size_t len = size_t(lastSlash - xpcomFile);
+
+        if (len > MAXPATHLEN - sizeof(XPCOM_FILE_PATH_SEPARATOR
+                                      XPCOM_DEPENDENT_LIBS_LIST)) {
+            return nullptr;
+        }
+        memcpy(xpcomDir, xpcomFile, len);
+        strcpy(xpcomDir + len, XPCOM_FILE_PATH_SEPARATOR
+                               XPCOM_DEPENDENT_LIBS_LIST);
+        cursor = xpcomDir + len + 1;
+    } else {
+        strcpy(xpcomDir, XPCOM_DEPENDENT_LIBS_LIST);
+        cursor = xpcomDir;
+    }
+
+    if (getenv("MOZ_RUN_GTEST")) {
+        strcat(xpcomDir, ".gtest");
+    }
+
+    ScopedCloseFile flist;
+    flist = TS_tfopen(xpcomDir, READ_TEXTMODE);
+    if (!flist) {
+        return nullptr;
+    }
+
+    *cursor = '\0';
+
+    char buffer[MAXPATHLEN];
+
+    while (fgets(buffer, sizeof(buffer), flist)) {
+        int l = strlen(buffer);
+
+        // ignore empty lines and comments
+        if (l == 0 || *buffer == '#') {
+            continue;
+        }
+
+        // cut the trailing newline, if present
+        if (buffer[l - 1] == '\n')
+            buffer[l - 1] = '\0';
+
+        if (l + size_t(cursor - xpcomDir) > MAXPATHLEN) {
+            return nullptr;
+        }
+
+        strcpy(cursor, buffer);
+        if (!ReadDependentCB(xpcomDir, do_preload)) {
+            XPCOMGlueUnload();
+            return nullptr;
+        }
+    }
+
+    GetFrozenFunctionsFunc sym =
+        (GetFrozenFunctionsFunc) GetSymbol(sTop->libHandle, LEADING_UNDERSCORE "NS_GetFrozenFunctions");
+
+    if (!sym) { // No symbol found.
+        XPCOMGlueUnload();
+        return nullptr;
+    }
+
+#if !defined(XP_WIN) && !defined(XP_MACOSX) && defined(NS_TRACE_MALLOC)
+    _malloc = (__ptr_t(*)(size_t)) GetSymbol(sTop->libHandle, "malloc");
+    _calloc = (__ptr_t(*)(size_t, size_t)) GetSymbol(sTop->libHandle, "calloc");
+    _realloc = (__ptr_t(*)(__ptr_t, size_t)) GetSymbol(sTop->libHandle, "realloc");
+    _free = (void(*)(__ptr_t)) GetSymbol(sTop->libHandle, "free");
+    _memalign = (__ptr_t(*)(size_t, size_t)) GetSymbol(sTop->libHandle, "memalign");
+    _valloc = (__ptr_t(*)(size_t)) GetSymbol(sTop->libHandle, "valloc");
+#endif
+
+    return sym;
+}
+
+nsresult
+XPCOMGlueLoadXULFunctions(const nsDynamicFunctionLoad *symbols)
+{
+    // We don't null-check sXULLibHandle because this might work even
+    // if it is null (same as RTLD_DEFAULT)
+
+    nsresult rv = NS_OK;
+    while (symbols->functionName) {
+        char buffer[512];
+        snprintf(buffer, sizeof(buffer),
+                 LEADING_UNDERSCORE "%s", symbols->functionName);
+
+        *symbols->function = (NSFuncPtr) GetSymbol(sTop->libHandle, buffer);
+        if (!*symbols->function)
+            rv = NS_ERROR_LOSS_OF_SIGNIFICANT_DATA;
+
+        ++symbols;
+    }
+    return rv;
+}
+
+void XPCOMGlueEnablePreload()
+{
+    do_preload = true;
+}
+
+nsresult XPCOMGlueStartup(const char* xpcomFile)
+{
+    xpcomFunctions.version = XPCOM_GLUE_VERSION;
+    xpcomFunctions.size    = sizeof(XPCOMFunctions);
+
+    if (!xpcomFile)
+        xpcomFile = XPCOM_DLL;
+
+    GetFrozenFunctionsFunc func = XPCOMGlueLoad(xpcomFile);
+    if (!func)
+        return NS_ERROR_NOT_AVAILABLE;
+
+    nsresult rv = (*func)(&xpcomFunctions, nullptr);
+    if (NS_FAILED(rv)) {
+        XPCOMGlueUnload();
+        return rv;
+    }
+
+    return NS_OK;
+}
+
+XPCOM_API(nsresult)
+NS_InitXPCOM2(nsIServiceManager* *result, 
+              nsIFile* binDirectory,
+              nsIDirectoryServiceProvider* appFileLocationProvider)
+{
+    if (!xpcomFunctions.init)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.init(result, binDirectory, appFileLocationProvider);
+}
+
+XPCOM_API(nsresult)
+NS_ShutdownXPCOM(nsIServiceManager* servMgr)
+{
+    if (!xpcomFunctions.shutdown)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.shutdown(servMgr);
+}
+
+XPCOM_API(nsresult)
+NS_GetServiceManager(nsIServiceManager* *result)
+{
+    if (!xpcomFunctions.getServiceManager)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.getServiceManager(result);
+}
+
+XPCOM_API(nsresult)
+NS_GetComponentManager(nsIComponentManager* *result)
+{
+    if (!xpcomFunctions.getComponentManager)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.getComponentManager(result);
+}
+
+XPCOM_API(nsresult)
+NS_GetComponentRegistrar(nsIComponentRegistrar* *result)
+{
+    if (!xpcomFunctions.getComponentRegistrar)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.getComponentRegistrar(result);
+}
+
+XPCOM_API(nsresult)
+NS_GetMemoryManager(nsIMemory* *result)
+{
+    if (!xpcomFunctions.getMemoryManager)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.getMemoryManager(result);
+}
+
+XPCOM_API(nsresult)
+NS_NewLocalFile(const nsAString &path, bool followLinks, nsIFile* *result)
+{
+    if (!xpcomFunctions.newLocalFile)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.newLocalFile(path, followLinks, result);
+}
+
+XPCOM_API(nsresult)
+NS_NewNativeLocalFile(const nsACString &path, bool followLinks, nsIFile* *result)
+{
+    if (!xpcomFunctions.newNativeLocalFile)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.newNativeLocalFile(path, followLinks, result);
+}
+
+XPCOM_API(nsresult)
+NS_GetDebug(nsIDebug* *result)
+{
+    if (!xpcomFunctions.getDebug)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.getDebug(result);
+}
+
+
+XPCOM_API(nsresult)
+NS_StringContainerInit(nsStringContainer &aStr)
+{
+    if (!xpcomFunctions.stringContainerInit)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.stringContainerInit(aStr);
+}
+
+XPCOM_API(nsresult)
+NS_StringContainerInit2(nsStringContainer &aStr,
+                        const char16_t   *aData,
+                        uint32_t           aDataLength,
+                        uint32_t           aFlags)
+{
+    if (!xpcomFunctions.stringContainerInit2)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.stringContainerInit2(aStr, aData, aDataLength, aFlags);
+}
+
+XPCOM_API(void)
+NS_StringContainerFinish(nsStringContainer &aStr)
+{
+    if (xpcomFunctions.stringContainerFinish)
+        xpcomFunctions.stringContainerFinish(aStr);
+}
+
+XPCOM_API(uint32_t)
+NS_StringGetData(const nsAString &aStr, const char16_t **aBuf, bool *aTerm)
+{
+    if (!xpcomFunctions.stringGetData) {
+        *aBuf = nullptr;
+        return 0;
+    }
+    return xpcomFunctions.stringGetData(aStr, aBuf, aTerm);
+}
+
+XPCOM_API(uint32_t)
+NS_StringGetMutableData(nsAString &aStr, uint32_t aLen, char16_t **aBuf)
+{
+    if (!xpcomFunctions.stringGetMutableData) {
+        *aBuf = nullptr;
+        return 0;
+    }
+    return xpcomFunctions.stringGetMutableData(aStr, aLen, aBuf);
+}
+
+XPCOM_API(char16_t*)
+NS_StringCloneData(const nsAString &aStr)
+{
+    if (!xpcomFunctions.stringCloneData)
+        return nullptr;
+    return xpcomFunctions.stringCloneData(aStr);
+}
+
+XPCOM_API(nsresult)
+NS_StringSetData(nsAString &aStr, const char16_t *aBuf, uint32_t aCount)
+{
+    if (!xpcomFunctions.stringSetData)
+        return NS_ERROR_NOT_INITIALIZED;
+
+    return xpcomFunctions.stringSetData(aStr, aBuf, aCount);
+}
+
+XPCOM_API(nsresult)
+NS_StringSetDataRange(nsAString &aStr, uint32_t aCutStart, uint32_t aCutLength,
+                      const char16_t *aBuf, uint32_t aCount)
+{
+    if (!xpcomFunctions.stringSetDataRange)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.stringSetDataRange(aStr, aCutStart, aCutLength, aBuf, aCount);
+}
+
+XPCOM_API(nsresult)
+NS_StringCopy(nsAString &aDest, const nsAString &aSrc)
+{
+    if (!xpcomFunctions.stringCopy)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.stringCopy(aDest, aSrc);
+}
+
+XPCOM_API(void)
+NS_StringSetIsVoid(nsAString &aStr, const bool aIsVoid)
+{
+    if (xpcomFunctions.stringSetIsVoid)
+        xpcomFunctions.stringSetIsVoid(aStr, aIsVoid);
+}
+
+XPCOM_API(bool)
+NS_StringGetIsVoid(const nsAString &aStr)
+{
+    if (!xpcomFunctions.stringGetIsVoid)
+        return false;
+    return xpcomFunctions.stringGetIsVoid(aStr);
+}
+
+XPCOM_API(nsresult)
+NS_CStringContainerInit(nsCStringContainer &aStr)
+{
+    if (!xpcomFunctions.cstringContainerInit)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.cstringContainerInit(aStr);
+}
+
+XPCOM_API(nsresult)
+NS_CStringContainerInit2(nsCStringContainer &aStr,
+                         const char         *aData,
+                         uint32_t           aDataLength,
+                         uint32_t           aFlags)
+{
+    if (!xpcomFunctions.cstringContainerInit2)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.cstringContainerInit2(aStr, aData, aDataLength, aFlags);
+}
+
+XPCOM_API(void)
+NS_CStringContainerFinish(nsCStringContainer &aStr)
+{
+    if (xpcomFunctions.cstringContainerFinish)
+        xpcomFunctions.cstringContainerFinish(aStr);
+}
+
+XPCOM_API(uint32_t)
+NS_CStringGetData(const nsACString &aStr, const char **aBuf, bool *aTerm)
+{
+    if (!xpcomFunctions.cstringGetData) {
+        *aBuf = nullptr;
+        return 0;
+    }
+    return xpcomFunctions.cstringGetData(aStr, aBuf, aTerm);
+}
+
+XPCOM_API(uint32_t)
+NS_CStringGetMutableData(nsACString &aStr, uint32_t aLen, char **aBuf)
+{
+    if (!xpcomFunctions.cstringGetMutableData) {
+        *aBuf = nullptr;
+        return 0;
+    }
+    return xpcomFunctions.cstringGetMutableData(aStr, aLen, aBuf);
+}
+
+XPCOM_API(char*)
+NS_CStringCloneData(const nsACString &aStr)
+{
+    if (!xpcomFunctions.cstringCloneData)
+        return nullptr;
+    return xpcomFunctions.cstringCloneData(aStr);
+}
+
+XPCOM_API(nsresult)
+NS_CStringSetData(nsACString &aStr, const char *aBuf, uint32_t aCount)
+{
+    if (!xpcomFunctions.cstringSetData)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.cstringSetData(aStr, aBuf, aCount);
+}
+
+XPCOM_API(nsresult)
+NS_CStringSetDataRange(nsACString &aStr, uint32_t aCutStart, uint32_t aCutLength,
+                       const char *aBuf, uint32_t aCount)
+{
+    if (!xpcomFunctions.cstringSetDataRange)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.cstringSetDataRange(aStr, aCutStart, aCutLength, aBuf, aCount);
+}
+
+XPCOM_API(nsresult)
+NS_CStringCopy(nsACString &aDest, const nsACString &aSrc)
+{
+    if (!xpcomFunctions.cstringCopy)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.cstringCopy(aDest, aSrc);
+}
+
+XPCOM_API(void)
+NS_CStringSetIsVoid(nsACString &aStr, const bool aIsVoid)
+{
+    if (xpcomFunctions.cstringSetIsVoid)
+        xpcomFunctions.cstringSetIsVoid(aStr, aIsVoid);
+}
+
+XPCOM_API(bool)
+NS_CStringGetIsVoid(const nsACString &aStr)
+{
+    if (!xpcomFunctions.cstringGetIsVoid)
+        return false;
+    return xpcomFunctions.cstringGetIsVoid(aStr);
+}
+
+XPCOM_API(nsresult)
+NS_CStringToUTF16(const nsACString &aSrc, nsCStringEncoding aSrcEncoding, nsAString &aDest)
+{
+    if (!xpcomFunctions.cstringToUTF16)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.cstringToUTF16(aSrc, aSrcEncoding, aDest);
+}
+
+XPCOM_API(nsresult)
+NS_UTF16ToCString(const nsAString &aSrc, nsCStringEncoding aDestEncoding, nsACString &aDest)
+{
+    if (!xpcomFunctions.utf16ToCString)
+        return NS_ERROR_NOT_INITIALIZED;
+    return xpcomFunctions.utf16ToCString(aSrc, aDestEncoding, aDest);
+}
+
+XPCOM_API(void*)
+NS_Alloc(size_t size)
+{
+    if (!xpcomFunctions.allocFunc)
+        return nullptr;
+    return xpcomFunctions.allocFunc(size);
+}
+
+XPCOM_API(void*)
+NS_Realloc(void* ptr, size_t size)
+{
+    if (!xpcomFunctions.reallocFunc)
+        return nullptr;
+    return xpcomFunctions.reallocFunc(ptr, size);
+}
+
+XPCOM_API(void)
+NS_Free(void* ptr)
+{
+    if (xpcomFunctions.freeFunc)
+        xpcomFunctions.freeFunc(ptr);
+}
+
+XPCOM_API(void)
+NS_DebugBreak(uint32_t aSeverity, const char *aStr, const char *aExpr,
+              const char *aFile, int32_t aLine)
+{
+    if (xpcomFunctions.debugBreakFunc)
+        xpcomFunctions.debugBreakFunc(aSeverity, aStr, aExpr, aFile, aLine);
+}
+
+XPCOM_API(void)
+NS_LogInit()
+{
+    if (xpcomFunctions.logInitFunc)
+        xpcomFunctions.logInitFunc();
+}
+
+XPCOM_API(void)
+NS_LogTerm()
+{
+    if (xpcomFunctions.logTermFunc)
+        xpcomFunctions.logTermFunc();
+}
+
+XPCOM_API(void)
+NS_LogAddRef(void *aPtr, nsrefcnt aNewRefCnt,
+             const char *aTypeName, uint32_t aInstanceSize)
+{
+    if (xpcomFunctions.logAddRefFunc)
+        xpcomFunctions.logAddRefFunc(aPtr, aNewRefCnt,
+                                     aTypeName, aInstanceSize);
+}
+
+XPCOM_API(void)
+NS_LogRelease(void *aPtr, nsrefcnt aNewRefCnt, const char *aTypeName)
+{
+    if (xpcomFunctions.logReleaseFunc)
+        xpcomFunctions.logReleaseFunc(aPtr, aNewRefCnt, aTypeName);
+}
+
+XPCOM_API(void)
+NS_LogCtor(void *aPtr, const char *aTypeName, uint32_t aInstanceSize)
+{
+    if (xpcomFunctions.logCtorFunc)
+        xpcomFunctions.logCtorFunc(aPtr, aTypeName, aInstanceSize);
+}
+
+XPCOM_API(void)
+NS_LogDtor(void *aPtr, const char *aTypeName, uint32_t aInstanceSize)
+{
+    if (xpcomFunctions.logDtorFunc)
+        xpcomFunctions.logDtorFunc(aPtr, aTypeName, aInstanceSize);
+}
+
+XPCOM_API(void)
+NS_LogCOMPtrAddRef(void *aCOMPtr, nsISupports *aObject)
+{
+    if (xpcomFunctions.logCOMPtrAddRefFunc)
+        xpcomFunctions.logCOMPtrAddRefFunc(aCOMPtr, aObject);
+}
+
+XPCOM_API(void)
+NS_LogCOMPtrRelease(void *aCOMPtr, nsISupports *aObject)
+{
+    if (xpcomFunctions.logCOMPtrReleaseFunc)
+        xpcomFunctions.logCOMPtrReleaseFunc(aCOMPtr, aObject);
+}
+
+XPCOM_API(nsresult)
+NS_GetXPTCallStub(REFNSIID aIID, nsIXPTCProxy* aOuter,
+                  nsISomeInterface* *aStub)
+{
+    if (!xpcomFunctions.getXPTCallStubFunc)
+        return NS_ERROR_NOT_INITIALIZED;
+
+    return xpcomFunctions.getXPTCallStubFunc(aIID, aOuter, aStub);
+}
+
+XPCOM_API(void)
+NS_DestroyXPTCallStub(nsISomeInterface* aStub)
+{
+    if (xpcomFunctions.destroyXPTCallStubFunc)
+        xpcomFunctions.destroyXPTCallStubFunc(aStub);
+}
+
+XPCOM_API(nsresult)
+NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
+                 uint32_t paramCount, nsXPTCVariant* params)
+{
+    if (!xpcomFunctions.invokeByIndexFunc)
+        return NS_ERROR_NOT_INITIALIZED;
+
+    return xpcomFunctions.invokeByIndexFunc(that, methodIndex,
+                                            paramCount, params);
+}
+
+XPCOM_API(bool)
+NS_CycleCollectorSuspect(nsISupports* obj)
+{
+    if (!xpcomFunctions.cycleSuspectFunc)
+        return false;
+
+    return xpcomFunctions.cycleSuspectFunc(obj);
+}
+
+XPCOM_API(bool)
+NS_CycleCollectorForget(nsISupports* obj)
+{
+    if (!xpcomFunctions.cycleForgetFunc)
+        return false;
+
+    return xpcomFunctions.cycleForgetFunc(obj);
+}
+
+XPCOM_API(nsPurpleBufferEntry*)
+NS_CycleCollectorSuspect2(void* obj, nsCycleCollectionParticipant *p)
+{
+    if (!xpcomFunctions.cycleSuspect2Func)
+        return nullptr;
+
+    return xpcomFunctions.cycleSuspect2Func(obj, p);
+}
+
+XPCOM_API(void)
+NS_CycleCollectorSuspect3(void* obj, nsCycleCollectionParticipant *p,
+                          nsCycleCollectingAutoRefCnt* aRefCnt,
+                          bool* aShouldDelete)
+{
+    if (xpcomFunctions.cycleSuspect3Func)
+        xpcomFunctions.cycleSuspect3Func(obj, p, aRefCnt, aShouldDelete);
+}
+
+XPCOM_API(bool)
+NS_CycleCollectorForget2(nsPurpleBufferEntry* e)
+{
+    if (!xpcomFunctions.cycleForget2Func)
+        return false;
+
+    return xpcomFunctions.cycleForget2Func(e);
+}