diff options
Diffstat (limited to 'xpcom/glue/standalone')
| -rw-r--r-- | xpcom/glue/standalone/moz.build | 58 | ||||
| -rw-r--r-- | xpcom/glue/standalone/nsXPCOMGlue.cpp | 927 | ||||
| -rw-r--r-- | xpcom/glue/standalone/nsXPCOMGlue.h | 49 | ||||
| -rw-r--r-- | xpcom/glue/standalone/staticruntime/moz.build | 50 |
4 files changed, 1084 insertions, 0 deletions
diff --git a/xpcom/glue/standalone/moz.build b/xpcom/glue/standalone/moz.build new file mode 100644 index 000000000..fd91fa0bb --- /dev/null +++ b/xpcom/glue/standalone/moz.build @@ -0,0 +1,58 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# 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/. + +# On win we build two glue libs - glue linked to crt dlls here and in staticruntime we build +# a statically linked glue lib. +if CONFIG['OS_ARCH'] == 'WINNT': + DIRS += ['staticruntime'] + +include('../objs.mozbuild') + +SOURCES += xpcom_glue_src_cppsrcs + +SOURCES += [ + '../nsStringAPI.cpp', + 'nsXPCOMGlue.cpp', +] + +Library('xpcomglue') + +EXPORTS += [ + 'nsXPCOMGlue.h', +] + +SDK_LIBRARY = True + +FORCE_STATIC_LIB = True + +if CONFIG['_MSC_VER']: + DEFINES['_USE_ANSI_CPP'] = True + # Don't include directives about which CRT to use + CFLAGS += ['-Zl'] + CXXFLAGS += ['-Zl'] + +DEFINES['XPCOM_GLUE'] = True + +LOCAL_INCLUDES += [ + '../../build', + '../../threads', +] + +# Don't use STL wrappers here (i.e. wrapped <new>); they require mozalloc +DISABLE_STL_WRAPPING = True + +# Include fallible for third party code using the xpcom glue +USE_LIBS += [ + 'fallible', +] + +# Force to build a static library only +NO_EXPAND_LIBS = True + +DIST_INSTALL = True + +if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('gtk2', 'gtk3'): + CXXFLAGS += CONFIG['GLIB_CFLAGS'] diff --git a/xpcom/glue/standalone/nsXPCOMGlue.cpp b/xpcom/glue/standalone/nsXPCOMGlue.cpp new file mode 100644 index 000000000..b657d7050 --- /dev/null +++ b/xpcom/glue/standalone/nsXPCOMGlue.cpp @@ -0,0 +1,927 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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" +#include "mozilla/Sprintf.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(XP_WIN) +#include <windows.h> +#include <mbstring.h> + +typedef HINSTANCE LibHandleType; + +static LibHandleType +GetLibHandle(pathstr_t aDependentLib) +{ + LibHandleType libHandle = + LoadLibraryExW(aDependentLib, nullptr, LOAD_WITH_ALTERED_SEARCH_PATH); + +#ifdef DEBUG + if (!libHandle) { + DWORD err = GetLastError(); + LPWSTR lpMsgBuf; + FormatMessageW( + FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + nullptr, + err, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + (LPWSTR)&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); +} + +#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 + +typedef void* LibHandleType; + +static LibHandleType +GetLibHandle(pathstr_t aDependentLib) +{ + LibHandleType libHandle = dlopen(aDependentLib, + RTLD_GLOBAL | RTLD_LAZY +#ifdef XP_MACOSX + | RTLD_FIRST +#endif + ); + 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 aLibHandle) +{ + DependentLib* d = new DependentLib; + if (!d) { + return; + } + + d->next = sTop; + d->libHandle = aLibHandle; + + sTop = d; +} + +static bool +ReadDependentCB(pathstr_t aDependentLib, bool aDoPreload) +{ + if (aDoPreload) { + 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* aPath, const char* aMode) +{ + return fopen(aPath, aMode); +} +#endif + +/* RAII wrapper for FILE descriptors */ +struct ScopedCloseFileTraits +{ + typedef FILE* type; + static type empty() { return nullptr; } + static void release(type aFile) + { + if (aFile) { + fclose(aFile); + } + } +}; +typedef Scoped<ScopedCloseFileTraits> ScopedCloseFile; + +static void +XPCOMGlueUnload() +{ + 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* aXPCOMFile) +{ + char xpcomDir[MAXPATHLEN]; +#ifdef XP_WIN + const char* lastSlash = ns_strrpbrk(aXPCOMFile, "/\\"); +#elif XP_MACOSX + // On OSX, the dependentlibs.list file lives under Contents/Resources. + // However, the actual libraries listed in dependentlibs.list live under + // Contents/MacOS. We want to read the list from Contents/Resources, then + // load the libraries from Contents/MacOS. + const char *tempSlash = strrchr(aXPCOMFile, '/'); + size_t tempLen = size_t(tempSlash - aXPCOMFile); + if (tempLen > MAXPATHLEN) { + return nullptr; + } + char tempBuffer[MAXPATHLEN]; + memcpy(tempBuffer, aXPCOMFile, tempLen); + tempBuffer[tempLen] = '\0'; + const char *slash = strrchr(tempBuffer, '/'); + tempLen = size_t(slash - tempBuffer); + const char *lastSlash = aXPCOMFile + tempLen; +#else + const char* lastSlash = strrchr(aXPCOMFile, '/'); +#endif + char* cursor; + if (lastSlash) { + size_t len = size_t(lastSlash - aXPCOMFile); + + if (len > MAXPATHLEN - sizeof(XPCOM_FILE_PATH_SEPARATOR +#ifdef XP_MACOSX + "Resources" + XPCOM_FILE_PATH_SEPARATOR +#endif + XPCOM_DEPENDENT_LIBS_LIST)) { + return nullptr; + } + memcpy(xpcomDir, aXPCOMFile, len); + strcpy(xpcomDir + len, XPCOM_FILE_PATH_SEPARATOR +#ifdef XP_MACOSX + "Resources" + XPCOM_FILE_PATH_SEPARATOR +#endif + 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; + } + +#ifdef XP_MACOSX + tempLen = size_t(cursor - xpcomDir); + if (tempLen > MAXPATHLEN - sizeof("MacOS" XPCOM_FILE_PATH_SEPARATOR) - 1) { + return nullptr; + } + strcpy(cursor, "MacOS" XPCOM_FILE_PATH_SEPARATOR); + cursor += strlen(cursor); +#endif + *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, + "NS_GetFrozenFunctions"); + + if (!sym) { // No symbol found. + XPCOMGlueUnload(); + return nullptr; + } + + return sym; +} + +nsresult +XPCOMGlueLoadXULFunctions(const nsDynamicFunctionLoad* aSymbols) +{ + // We don't null-check sXULLibHandle because this might work even + // if it is null (same as RTLD_DEFAULT) + + nsresult rv = NS_OK; + while (aSymbols->functionName) { + char buffer[512]; + SprintfLiteral(buffer, "%s", aSymbols->functionName); + + *aSymbols->function = (NSFuncPtr)GetSymbol(sTop->libHandle, buffer); + if (!*aSymbols->function) { + rv = NS_ERROR_LOSS_OF_SIGNIFICANT_DATA; + } + + ++aSymbols; + } + return rv; +} + +void +XPCOMGlueEnablePreload() +{ + do_preload = true; +} + +#if defined(MOZ_WIDGET_GTK) && (defined(MOZ_MEMORY) || defined(__FreeBSD__) || defined(__NetBSD__)) +#define MOZ_GSLICE_INIT +#endif + +#ifdef MOZ_GSLICE_INIT +#include <glib.h> + +class GSliceInit { +public: + GSliceInit() { + mHadGSlice = bool(getenv("G_SLICE")); + if (!mHadGSlice) { + // Disable the slice allocator, since jemalloc already uses similar layout + // algorithms, and using a sub-allocator tends to increase fragmentation. + // This must be done before g_thread_init() is called. + // glib >= 2.36 initializes g_slice as a side effect of its various static + // initializers, so this needs to happen before glib is loaded, which is + // this is hooked in XPCOMGlueStartup before libxul is loaded. This + // relies on the main executable not depending on glib. + setenv("G_SLICE", "always-malloc", 1); + } + } + + ~GSliceInit() { +#if MOZ_WIDGET_GTK == 2 + if (sTop) { + auto XRE_GlibInit = (void (*)(void)) GetSymbol(sTop->libHandle, + "XRE_GlibInit"); + // Initialize glib enough for G_SLICE to have an effect before it is unset. + // unset. + XRE_GlibInit(); + } +#endif + if (!mHadGSlice) { + unsetenv("G_SLICE"); + } + } + +private: + bool mHadGSlice; +}; +#endif + +nsresult +XPCOMGlueStartup(const char* aXPCOMFile) +{ +#ifdef MOZ_GSLICE_INIT + GSliceInit gSliceInit; +#endif + xpcomFunctions.version = XPCOM_GLUE_VERSION; + xpcomFunctions.size = sizeof(XPCOMFunctions); + + if (!aXPCOMFile) { + aXPCOMFile = XPCOM_DLL; + } + + GetFrozenFunctionsFunc func = XPCOMGlueLoad(aXPCOMFile); + 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** aResult, + nsIFile* aBinDirectory, + nsIDirectoryServiceProvider* aAppFileLocationProvider) +{ + if (!xpcomFunctions.init) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.init(aResult, aBinDirectory, aAppFileLocationProvider); +} + +XPCOM_API(nsresult) +NS_ShutdownXPCOM(nsIServiceManager* aServMgr) +{ + if (!xpcomFunctions.shutdown) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.shutdown(aServMgr); +} + +XPCOM_API(nsresult) +NS_GetServiceManager(nsIServiceManager** aResult) +{ + if (!xpcomFunctions.getServiceManager) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.getServiceManager(aResult); +} + +XPCOM_API(nsresult) +NS_GetComponentManager(nsIComponentManager** aResult) +{ + if (!xpcomFunctions.getComponentManager) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.getComponentManager(aResult); +} + +XPCOM_API(nsresult) +NS_GetComponentRegistrar(nsIComponentRegistrar** aResult) +{ + if (!xpcomFunctions.getComponentRegistrar) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.getComponentRegistrar(aResult); +} + +XPCOM_API(nsresult) +NS_GetMemoryManager(nsIMemory** aResult) +{ + if (!xpcomFunctions.getMemoryManager) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.getMemoryManager(aResult); +} + +XPCOM_API(nsresult) +NS_NewLocalFile(const nsAString& aPath, bool aFollowLinks, nsIFile** aResult) +{ + if (!xpcomFunctions.newLocalFile) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.newLocalFile(aPath, aFollowLinks, aResult); +} + +XPCOM_API(nsresult) +NS_NewNativeLocalFile(const nsACString& aPath, bool aFollowLinks, + nsIFile** aResult) +{ + if (!xpcomFunctions.newNativeLocalFile) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.newNativeLocalFile(aPath, aFollowLinks, aResult); +} + +XPCOM_API(nsresult) +NS_GetDebug(nsIDebug2** aResult) +{ + if (!xpcomFunctions.getDebug) { + return NS_ERROR_NOT_INITIALIZED; + } + return xpcomFunctions.getDebug(aResult); +} + + +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 aSize) +{ + if (!xpcomFunctions.allocFunc) { + return nullptr; + } + return xpcomFunctions.allocFunc(aSize); +} + +XPCOM_API(void*) +NS_Realloc(void* aPtr, size_t aSize) +{ + if (!xpcomFunctions.reallocFunc) { + return nullptr; + } + return xpcomFunctions.reallocFunc(aPtr, aSize); +} + +XPCOM_API(void) +NS_Free(void* aPtr) +{ + if (xpcomFunctions.freeFunc) { + xpcomFunctions.freeFunc(aPtr); + } +} + +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* aThat, uint32_t aMethodIndex, + uint32_t aParamCount, nsXPTCVariant* aParams) +{ + if (!xpcomFunctions.invokeByIndexFunc) { + return NS_ERROR_NOT_INITIALIZED; + } + + return xpcomFunctions.invokeByIndexFunc(aThat, aMethodIndex, + aParamCount, aParams); +} + +XPCOM_API(bool) +NS_CycleCollectorSuspect(nsISupports* aObj) +{ + if (!xpcomFunctions.cycleSuspectFunc) { + return false; + } + + return xpcomFunctions.cycleSuspectFunc(aObj); +} + +XPCOM_API(bool) +NS_CycleCollectorForget(nsISupports* aObj) +{ + if (!xpcomFunctions.cycleForgetFunc) { + return false; + } + + return xpcomFunctions.cycleForgetFunc(aObj); +} + +XPCOM_API(nsPurpleBufferEntry*) +NS_CycleCollectorSuspect2(void* aObj, nsCycleCollectionParticipant* aCp) +{ + if (!xpcomFunctions.cycleSuspect2Func) { + return nullptr; + } + + return xpcomFunctions.cycleSuspect2Func(aObj, aCp); +} + +XPCOM_API(void) +NS_CycleCollectorSuspect3(void* aObj, nsCycleCollectionParticipant* aCp, + nsCycleCollectingAutoRefCnt* aRefCnt, + bool* aShouldDelete) +{ + if (xpcomFunctions.cycleSuspect3Func) { + xpcomFunctions.cycleSuspect3Func(aObj, aCp, aRefCnt, aShouldDelete); + } +} + +XPCOM_API(bool) +NS_CycleCollectorForget2(nsPurpleBufferEntry* aEntry) +{ + if (!xpcomFunctions.cycleForget2Func) { + return false; + } + + return xpcomFunctions.cycleForget2Func(aEntry); +} diff --git a/xpcom/glue/standalone/nsXPCOMGlue.h b/xpcom/glue/standalone/nsXPCOMGlue.h new file mode 100644 index 000000000..e23bfa498 --- /dev/null +++ b/xpcom/glue/standalone/nsXPCOMGlue.h @@ -0,0 +1,49 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#ifndef nsXPCOMGlue_h__ +#define nsXPCOMGlue_h__ + +#include "nscore.h" + +#ifdef XPCOM_GLUE + +/** + * The following functions are only available in the standalone glue. + */ + +/** + * Enabled preloading of dynamically loaded libraries + */ +extern "C" NS_HIDDEN_(void) XPCOMGlueEnablePreload(); + +/** + * Initialize the XPCOM glue by dynamically linking against the XPCOM + * shared library indicated by xpcomFile. + */ +extern "C" NS_HIDDEN_(nsresult) XPCOMGlueStartup(const char* aXPCOMFile); + +typedef void (*NSFuncPtr)(); + +struct nsDynamicFunctionLoad +{ + const char* functionName; + NSFuncPtr* function; +}; + +/** + * Dynamically load functions from libxul. + * + * @throws NS_ERROR_NOT_INITIALIZED if XPCOMGlueStartup() was not called or + * if the libxul DLL was not found. + * @throws NS_ERROR_LOSS_OF_SIGNIFICANT_DATA if only some of the required + * functions were found. + */ +extern "C" NS_HIDDEN_(nsresult) +XPCOMGlueLoadXULFunctions(const nsDynamicFunctionLoad* aSymbols); + +#endif // XPCOM_GLUE +#endif // nsXPCOMGlue_h__ diff --git a/xpcom/glue/standalone/staticruntime/moz.build b/xpcom/glue/standalone/staticruntime/moz.build new file mode 100644 index 000000000..735086ab0 --- /dev/null +++ b/xpcom/glue/standalone/staticruntime/moz.build @@ -0,0 +1,50 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# 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('../../objs.mozbuild') + +SOURCES += xpcom_glue_src_cppsrcs + +SOURCES += [ + '../../nsStringAPI.cpp', + '../nsXPCOMGlue.cpp', +] + +Library('xpcomglue_staticruntime') + +SDK_LIBRARY = True + +# create a static lib +FORCE_STATIC_LIB = True + +if CONFIG['_MSC_VER']: + DEFINES['_USE_ANSI_CPP'] = True + # Don't include directives about which CRT to use + CFLAGS += ['-Zl'] + CXXFLAGS += ['-Zl'] + +DEFINES['XPCOM_GLUE'] = True + +LOCAL_INCLUDES += [ + '../../../build', + '../../../threads', +] + +# Statically link to the CRT on Windows +USE_STATIC_LIBS = True + +# Don't use STL wrappers here (i.e. wrapped <new>); they require mozalloc +DISABLE_STL_WRAPPING = True + +# Include fallible for third party code using the xpcom glue +USE_LIBS += [ + 'fallible', +] + +# Force to build a static library only +NO_EXPAND_LIBS = True + +DIST_INSTALL = True |