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Unified Diff: nspr/pr/src/linking/prlink.c

Issue 2078763002: Delete bundled copy of NSS and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/nss@master
Patch Set: Delete bundled copy of NSS and replace with README. Created 4 years, 6 months ago
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Index: nspr/pr/src/linking/prlink.c
diff --git a/nspr/pr/src/linking/prlink.c b/nspr/pr/src/linking/prlink.c
deleted file mode 100644
index 47154608a3764c7b040387cb9db66a20bdf01cb6..0000000000000000000000000000000000000000
--- a/nspr/pr/src/linking/prlink.c
+++ /dev/null
@@ -1,1608 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* 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 "primpl.h"
-
-#include <string.h>
-
-#ifdef XP_BEOS
-#include <image.h>
-#endif
-
-#if defined(XP_MACOSX) && defined(USE_MACH_DYLD)
-#include <Carbon/Carbon.h>
-#include <CoreFoundation/CoreFoundation.h>
-#endif
-
-#ifdef XP_UNIX
-#ifdef USE_DLFCN
-#include <dlfcn.h>
-/* Define these on systems that don't have them. */
-#ifndef RTLD_NOW
-#define RTLD_NOW 0
-#endif
-#ifndef RTLD_LAZY
-#define RTLD_LAZY RTLD_NOW
-#endif
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif
-#ifndef RTLD_LOCAL
-#define RTLD_LOCAL 0
-#endif
-#ifdef AIX
-#include <sys/ldr.h>
-#ifndef L_IGNOREUNLOAD /* AIX 4.3.3 does not have L_IGNOREUNLOAD. */
-#define L_IGNOREUNLOAD 0x10000000
-#endif
-#endif
-#ifdef OSF1
-#include <loader.h>
-#include <rld_interface.h>
-#endif
-#elif defined(USE_HPSHL)
-#include <dl.h>
-#elif defined(USE_MACH_DYLD)
-#include <mach-o/dyld.h>
-#endif
-#endif /* XP_UNIX */
-
-#define _PR_DEFAULT_LD_FLAGS PR_LD_LAZY
-
-/*
- * On these platforms, symbols have a leading '_'.
- */
-#if (defined(DARWIN) && defined(USE_MACH_DYLD)) \
- || defined(XP_OS2) \
- || ((defined(OPENBSD) || defined(NETBSD)) && !defined(__ELF__))
-#define NEED_LEADING_UNDERSCORE
-#endif
-
-#define PR_LD_PATHW 0x8000 /* for PR_LibSpec_PathnameU */
-
-/************************************************************************/
-
-struct PRLibrary {
- char* name; /* Our own copy of the name string */
- PRLibrary* next;
- int refCount;
- const PRStaticLinkTable* staticTable;
-
-#ifdef XP_PC
-#ifdef XP_OS2
- HMODULE dlh;
-#else
- HINSTANCE dlh;
-#endif
-#endif
-
-#if defined(XP_MACOSX) && defined(USE_MACH_DYLD)
- CFragConnectionID connection;
- CFBundleRef bundle;
- Ptr main;
- CFMutableDictionaryRef wrappers;
- const struct mach_header* image;
-#endif
-
-#ifdef XP_UNIX
-#if defined(USE_HPSHL)
- shl_t dlh;
-#elif defined(USE_MACH_DYLD)
- NSModule dlh;
-#else
- void* dlh;
-#endif
-#endif
-
-#ifdef XP_BEOS
- void* dlh;
- void* stub_dlh;
-#endif
-};
-
-static PRLibrary *pr_loadmap;
-static PRLibrary *pr_exe_loadmap;
-static PRMonitor *pr_linker_lock;
-static char* _pr_currentLibPath = NULL;
-
-static PRLibrary *pr_LoadLibraryByPathname(const char *name, PRIntn flags);
-
-/************************************************************************/
-
-#if !defined(USE_DLFCN) && !defined(HAVE_STRERROR)
-#define ERR_STR_BUF_LENGTH 20
-#endif
-
-static void DLLErrorInternal(PRIntn oserr)
-/*
-** This whole function, and most of the code in this file, are run
-** with a big hairy lock wrapped around it. Not the best of situations,
-** but will eventually come up with the right answer.
-*/
-{
- const char *error = NULL;
-#ifdef USE_DLFCN
- error = dlerror(); /* $$$ That'll be wrong some of the time - AOF */
-#elif defined(HAVE_STRERROR)
- error = strerror(oserr); /* this should be okay */
-#else
- char errStrBuf[ERR_STR_BUF_LENGTH];
- PR_snprintf(errStrBuf, sizeof(errStrBuf), "error %d", oserr);
- error = errStrBuf;
-#endif
- if (NULL != error)
- PR_SetErrorText(strlen(error), error);
-} /* DLLErrorInternal */
-
-void _PR_InitLinker(void)
-{
- PRLibrary *lm = NULL;
-#if defined(XP_UNIX)
- void *h;
-#endif
-
- if (!pr_linker_lock) {
- pr_linker_lock = PR_NewNamedMonitor("linker-lock");
- }
- PR_EnterMonitor(pr_linker_lock);
-
-#if defined(XP_PC)
- lm = PR_NEWZAP(PRLibrary);
- lm->name = strdup("Executable");
-#if defined(XP_OS2)
- lm->dlh = NULLHANDLE;
-#else
- /* A module handle for the executable. */
- lm->dlh = GetModuleHandle(NULL);
-#endif /* ! XP_OS2 */
-
- lm->refCount = 1;
- lm->staticTable = NULL;
- pr_exe_loadmap = lm;
- pr_loadmap = lm;
-
-#elif defined(XP_UNIX)
-#ifdef HAVE_DLL
-#if defined(USE_DLFCN) && !defined(NO_DLOPEN_NULL)
- h = dlopen(0, RTLD_LAZY);
- if (!h) {
- char *error;
-
- DLLErrorInternal(_MD_ERRNO());
- error = (char*)PR_MALLOC(PR_GetErrorTextLength());
- (void) PR_GetErrorText(error);
- fprintf(stderr, "failed to initialize shared libraries [%s]\n",
- error);
- PR_DELETE(error);
- abort();/* XXX */
- }
-#elif defined(USE_HPSHL)
- h = NULL;
- /* don't abort with this NULL */
-#elif defined(USE_MACH_DYLD) || defined(NO_DLOPEN_NULL)
- h = NULL; /* XXXX toshok */ /* XXXX vlad */
-#else
-#error no dll strategy
-#endif /* USE_DLFCN */
-
- lm = PR_NEWZAP(PRLibrary);
- if (lm) {
- lm->name = strdup("a.out");
- lm->refCount = 1;
- lm->dlh = h;
- lm->staticTable = NULL;
- }
- pr_exe_loadmap = lm;
- pr_loadmap = lm;
-#endif /* HAVE_DLL */
-#endif /* XP_UNIX */
-
- if (lm) {
- PR_LOG(_pr_linker_lm, PR_LOG_MIN,
- ("Loaded library %s (init)", lm->name));
- }
-
- PR_ExitMonitor(pr_linker_lock);
-}
-
-/*
- * _PR_ShutdownLinker does not unload the dlls loaded by the application
- * via calls to PR_LoadLibrary. Any dlls that still remain on the
- * pr_loadmap list when NSPR shuts down are application programming errors.
- * The only exception is pr_exe_loadmap, which was added to the list by
- * NSPR and hence should be cleaned up by NSPR.
- */
-void _PR_ShutdownLinker(void)
-{
- /* FIXME: pr_exe_loadmap should be destroyed. */
-
- PR_DestroyMonitor(pr_linker_lock);
- pr_linker_lock = NULL;
-
- if (_pr_currentLibPath) {
- free(_pr_currentLibPath);
- _pr_currentLibPath = NULL;
- }
-}
-
-/******************************************************************************/
-
-PR_IMPLEMENT(PRStatus) PR_SetLibraryPath(const char *path)
-{
- PRStatus rv = PR_SUCCESS;
-
- if (!_pr_initialized) _PR_ImplicitInitialization();
- PR_EnterMonitor(pr_linker_lock);
- if (_pr_currentLibPath) {
- free(_pr_currentLibPath);
- }
- if (path) {
- _pr_currentLibPath = strdup(path);
- if (!_pr_currentLibPath) {
- PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
- rv = PR_FAILURE;
- }
- } else {
- _pr_currentLibPath = 0;
- }
- PR_ExitMonitor(pr_linker_lock);
- return rv;
-}
-
-/*
-** Return the library path for finding shared libraries.
-*/
-PR_IMPLEMENT(char *)
-PR_GetLibraryPath(void)
-{
- char *ev;
- char *copy = NULL; /* a copy of _pr_currentLibPath */
-
- if (!_pr_initialized) _PR_ImplicitInitialization();
- PR_EnterMonitor(pr_linker_lock);
- if (_pr_currentLibPath != NULL) {
- goto exit;
- }
-
- /* initialize pr_currentLibPath */
-
-#ifdef XP_PC
- ev = getenv("LD_LIBRARY_PATH");
- if (!ev) {
- ev = ".;\\lib";
- }
- ev = strdup(ev);
-#endif
-
-#if defined(XP_UNIX) || defined(XP_BEOS)
-#if defined(USE_DLFCN) || defined(USE_MACH_DYLD) || defined(XP_BEOS)
- {
- char *p=NULL;
- int len;
-
-#ifdef XP_BEOS
- ev = getenv("LIBRARY_PATH");
- if (!ev) {
- ev = "%A/lib:/boot/home/config/lib:/boot/beos/system/lib";
- }
-#else
- ev = getenv("LD_LIBRARY_PATH");
- if (!ev) {
- ev = "/usr/lib:/lib";
- }
-#endif
- len = strlen(ev) + 1; /* +1 for the null */
-
- p = (char*) malloc(len);
- if (p) {
- strcpy(p, ev);
- } /* if (p) */
- ev = p;
- PR_LOG(_pr_io_lm, PR_LOG_NOTICE, ("linker path '%s'", ev));
-
- }
-#else
- /* AFAIK there isn't a library path with the HP SHL interface --Rob */
- ev = strdup("");
-#endif
-#endif
-
- /*
- * If ev is NULL, we have run out of memory
- */
- _pr_currentLibPath = ev;
-
- exit:
- if (_pr_currentLibPath) {
- copy = strdup(_pr_currentLibPath);
- }
- PR_ExitMonitor(pr_linker_lock);
- if (!copy) {
- PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
- }
- return copy;
-}
-
-/*
-** Build library name from path, lib and extensions
-*/
-PR_IMPLEMENT(char*)
-PR_GetLibraryName(const char *path, const char *lib)
-{
- char *fullname;
-
-#ifdef XP_PC
- if (strstr(lib, PR_DLL_SUFFIX) == NULL)
- {
- if (path) {
- fullname = PR_smprintf("%s\\%s%s", path, lib, PR_DLL_SUFFIX);
- } else {
- fullname = PR_smprintf("%s%s", lib, PR_DLL_SUFFIX);
- }
- } else {
- if (path) {
- fullname = PR_smprintf("%s\\%s", path, lib);
- } else {
- fullname = PR_smprintf("%s", lib);
- }
- }
-#endif /* XP_PC */
-#if defined(XP_UNIX) || defined(XP_BEOS)
- if (strstr(lib, PR_DLL_SUFFIX) == NULL)
- {
- if (path) {
- fullname = PR_smprintf("%s/lib%s%s", path, lib, PR_DLL_SUFFIX);
- } else {
- fullname = PR_smprintf("lib%s%s", lib, PR_DLL_SUFFIX);
- }
- } else {
- if (path) {
- fullname = PR_smprintf("%s/%s", path, lib);
- } else {
- fullname = PR_smprintf("%s", lib);
- }
- }
-#endif /* XP_UNIX || XP_BEOS */
- return fullname;
-}
-
-/*
-** Free the memory allocated, for the caller, by PR_GetLibraryName
-*/
-PR_IMPLEMENT(void)
-PR_FreeLibraryName(char *mem)
-{
- PR_smprintf_free(mem);
-}
-
-static PRLibrary*
-pr_UnlockedFindLibrary(const char *name)
-{
- PRLibrary* lm = pr_loadmap;
- const char* np = strrchr(name, PR_DIRECTORY_SEPARATOR);
- np = np ? np + 1 : name;
- while (lm) {
- const char* cp = strrchr(lm->name, PR_DIRECTORY_SEPARATOR);
- cp = cp ? cp + 1 : lm->name;
-#ifdef WIN32
- /* Windows DLL names are case insensitive... */
- if (strcmpi(np, cp) == 0)
-#elif defined(XP_OS2)
- if (stricmp(np, cp) == 0)
-#else
- if (strcmp(np, cp) == 0)
-#endif
- {
- /* found */
- lm->refCount++;
- PR_LOG(_pr_linker_lm, PR_LOG_MIN,
- ("%s incr => %d (find lib)",
- lm->name, lm->refCount));
- return lm;
- }
- lm = lm->next;
- }
- return NULL;
-}
-
-PR_IMPLEMENT(PRLibrary*)
-PR_LoadLibraryWithFlags(PRLibSpec libSpec, PRIntn flags)
-{
- if (flags == 0) {
- flags = _PR_DEFAULT_LD_FLAGS;
- }
- switch (libSpec.type) {
- case PR_LibSpec_Pathname:
- return pr_LoadLibraryByPathname(libSpec.value.pathname, flags);
-#ifdef WIN32
- case PR_LibSpec_PathnameU:
- /*
- * cast to |char *| and set PR_LD_PATHW flag so that
- * it can be cast back to PRUnichar* in the callee.
- */
- return pr_LoadLibraryByPathname((const char*)
- libSpec.value.pathname_u,
- flags | PR_LD_PATHW);
-#endif
- default:
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return NULL;
- }
-}
-
-PR_IMPLEMENT(PRLibrary*)
-PR_LoadLibrary(const char *name)
-{
- PRLibSpec libSpec;
-
- libSpec.type = PR_LibSpec_Pathname;
- libSpec.value.pathname = name;
- return PR_LoadLibraryWithFlags(libSpec, 0);
-}
-
-#if defined(USE_MACH_DYLD)
-static NSModule
-pr_LoadMachDyldModule(const char *name)
-{
- NSObjectFileImage ofi;
- NSModule h = NULL;
- if (NSCreateObjectFileImageFromFile(name, &ofi)
- == NSObjectFileImageSuccess) {
- h = NSLinkModule(ofi, name, NSLINKMODULE_OPTION_PRIVATE
- | NSLINKMODULE_OPTION_RETURN_ON_ERROR);
- if (h == NULL) {
- NSLinkEditErrors linkEditError;
- int errorNum;
- const char *fileName;
- const char *errorString;
- NSLinkEditError(&linkEditError, &errorNum, &fileName, &errorString);
- PR_LOG(_pr_linker_lm, PR_LOG_MIN,
- ("LoadMachDyldModule error %d:%d for file %s:\n%s",
- linkEditError, errorNum, fileName, errorString));
- }
- if (NSDestroyObjectFileImage(ofi) == FALSE) {
- if (h) {
- (void)NSUnLinkModule(h, NSUNLINKMODULE_OPTION_NONE);
- h = NULL;
- }
- }
- }
- return h;
-}
-#endif
-
-#if defined(XP_MACOSX) && defined(USE_MACH_DYLD)
-
-/*
-** macLibraryLoadProc is a function definition for a Mac shared library
-** loading method. The "name" param is the same full or partial pathname
-** that was passed to pr_LoadLibraryByPathName. The function must fill
-** in the fields of "lm" which apply to its library type. Returns
-** PR_SUCCESS if successful.
-*/
-
-typedef PRStatus (*macLibraryLoadProc)(const char *name, PRLibrary *lm);
-
-#ifdef __ppc__
-
-/*
-** CFM and its TVectors only exist on PowerPC. Other OS X architectures
-** only use Mach-O as a native binary format.
-*/
-
-static void* TV2FP(CFMutableDictionaryRef dict, const char* name, void *tvp)
-{
- static uint32 glue[6] = { 0x3D800000, 0x618C0000, 0x800C0000, 0x804C0004, 0x7C0903A6, 0x4E800420 };
- uint32* newGlue = NULL;
-
- if (tvp != NULL) {
- CFStringRef nameRef = CFStringCreateWithCString(NULL, name, kCFStringEncodingASCII);
- if (nameRef) {
- CFMutableDataRef glueData = (CFMutableDataRef) CFDictionaryGetValue(dict, nameRef);
- if (glueData == NULL) {
- glueData = CFDataCreateMutable(NULL, sizeof(glue));
- if (glueData != NULL) {
- newGlue = (uint32*) CFDataGetMutableBytePtr(glueData);
- memcpy(newGlue, glue, sizeof(glue));
- newGlue[0] |= ((UInt32)tvp >> 16);
- newGlue[1] |= ((UInt32)tvp & 0xFFFF);
- MakeDataExecutable(newGlue, sizeof(glue));
- CFDictionaryAddValue(dict, nameRef, glueData);
- CFRelease(glueData);
-
- PR_LOG(_pr_linker_lm, PR_LOG_MIN, ("TV2FP: created wrapper for CFM function %s().", name));
- }
- } else {
- PR_LOG(_pr_linker_lm, PR_LOG_MIN, ("TV2FP: found wrapper for CFM function %s().", name));
-
- newGlue = (uint32*) CFDataGetMutableBytePtr(glueData);
- }
- CFRelease(nameRef);
- }
- }
-
- return newGlue;
-}
-
-static PRStatus
-pr_LoadViaCFM(const char *name, PRLibrary *lm)
-{
- OSErr err;
- Str255 errName;
- FSRef ref;
- FSSpec fileSpec;
- Boolean tempUnusedBool;
-
- /*
- * Make an FSSpec from the path name and call GetDiskFragment.
- */
-
- /* Use direct conversion of POSIX path to FSRef to FSSpec. */
- err = FSPathMakeRef((const UInt8*)name, &ref, NULL);
- if (err != noErr)
- return PR_FAILURE;
- err = FSGetCatalogInfo(&ref, kFSCatInfoNone, NULL, NULL,
- &fileSpec, NULL);
- if (err != noErr)
- return PR_FAILURE;
-
- /* Resolve an alias if this was one */
- err = ResolveAliasFile(&fileSpec, true, &tempUnusedBool,
- &tempUnusedBool);
- if (err != noErr)
- return PR_FAILURE;
-
- /* Finally, try to load the library */
- err = GetDiskFragment(&fileSpec, 0, kCFragGoesToEOF, fileSpec.name,
- kLoadCFrag, &lm->connection, &lm->main, errName);
-
- if (err == noErr && lm->connection) {
- /*
- * if we're a mach-o binary, need to wrap all CFM function
- * pointers. need a hash-table of already seen function
- * pointers, etc.
- */
- lm->wrappers = CFDictionaryCreateMutable(NULL, 16,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
- if (lm->wrappers) {
- lm->main = TV2FP(lm->wrappers, "main", lm->main);
- } else
- err = memFullErr;
- }
- return (err == noErr) ? PR_SUCCESS : PR_FAILURE;
-}
-#endif /* __ppc__ */
-
-/*
-** Creates a CFBundleRef if the pathname refers to a Mac OS X bundle
-** directory. The caller is responsible for calling CFRelease() to
-** deallocate.
-*/
-
-static PRStatus
-pr_LoadCFBundle(const char *name, PRLibrary *lm)
-{
- CFURLRef bundleURL;
- CFBundleRef bundle = NULL;
- char pathBuf[PATH_MAX];
- const char *resolvedPath;
- CFStringRef pathRef;
-
- /* Takes care of relative paths and symlinks */
- resolvedPath = realpath(name, pathBuf);
- if (!resolvedPath)
- return PR_FAILURE;
-
- pathRef = CFStringCreateWithCString(NULL, pathBuf, kCFStringEncodingUTF8);
- if (pathRef) {
- bundleURL = CFURLCreateWithFileSystemPath(NULL, pathRef,
- kCFURLPOSIXPathStyle, true);
- if (bundleURL) {
- bundle = CFBundleCreate(NULL, bundleURL);
- CFRelease(bundleURL);
- }
- CFRelease(pathRef);
- }
-
- lm->bundle = bundle;
- return (bundle != NULL) ? PR_SUCCESS : PR_FAILURE;
-}
-
-static PRStatus
-pr_LoadViaDyld(const char *name, PRLibrary *lm)
-{
- lm->dlh = pr_LoadMachDyldModule(name);
- if (lm->dlh == NULL) {
- lm->image = NSAddImage(name, NSADDIMAGE_OPTION_RETURN_ON_ERROR
- | NSADDIMAGE_OPTION_WITH_SEARCHING);
- if (lm->image == NULL) {
- NSLinkEditErrors linkEditError;
- int errorNum;
- const char *fileName;
- const char *errorString;
- NSLinkEditError(&linkEditError, &errorNum, &fileName, &errorString);
- PR_LOG(_pr_linker_lm, PR_LOG_MIN,
- ("LoadMachDyldModule error %d:%d for file %s:\n%s",
- linkEditError, errorNum, fileName, errorString));
- }
- }
- return (lm->dlh != NULL || lm->image != NULL) ? PR_SUCCESS : PR_FAILURE;
-}
-
-#endif /* XP_MACOSX && USE_MACH_DYLD */
-
-/*
-** Dynamically load a library. Only load libraries once, so scan the load
-** map first.
-*/
-static PRLibrary*
-pr_LoadLibraryByPathname(const char *name, PRIntn flags)
-{
- PRLibrary *lm;
- PRLibrary* result = NULL;
- PRInt32 oserr;
-#ifdef WIN32
- char utf8name_stack[MAX_PATH];
- char *utf8name_malloc = NULL;
- char *utf8name = utf8name_stack;
- PRUnichar wname_stack[MAX_PATH];
- PRUnichar *wname_malloc = NULL;
- PRUnichar *wname = wname_stack;
- int len;
-#endif
-
- if (!_pr_initialized) _PR_ImplicitInitialization();
-
- /* See if library is already loaded */
- PR_EnterMonitor(pr_linker_lock);
-
-#ifdef WIN32
- if (flags & PR_LD_PATHW) {
- /* cast back what's cast to |char *| for the argument passing. */
- wname = (LPWSTR) name;
- } else {
- int wlen = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
- if (wlen > MAX_PATH)
- wname = wname_malloc = PR_Malloc(wlen * sizeof(PRUnichar));
- if (wname == NULL ||
- !MultiByteToWideChar(CP_ACP, 0, name, -1, wname, wlen)) {
- oserr = _MD_ERRNO();
- goto unlock;
- }
- }
- len = WideCharToMultiByte(CP_UTF8, 0, wname, -1, NULL, 0, NULL, NULL);
- if (len > MAX_PATH)
- utf8name = utf8name_malloc = PR_Malloc(len);
- if (utf8name == NULL ||
- !WideCharToMultiByte(CP_UTF8, 0, wname, -1,
- utf8name, len, NULL, NULL)) {
- oserr = _MD_ERRNO();
- goto unlock;
- }
- /* the list of loaded library names are always kept in UTF-8
- * on Win32 platforms */
- result = pr_UnlockedFindLibrary(utf8name);
-#else
- result = pr_UnlockedFindLibrary(name);
-#endif
-
- if (result != NULL) goto unlock;
-
- lm = PR_NEWZAP(PRLibrary);
- if (lm == NULL) {
- oserr = _MD_ERRNO();
- goto unlock;
- }
- lm->staticTable = NULL;
-
-#ifdef XP_OS2 /* Why isn't all this stuff in MD code?! */
- {
- HMODULE h;
- UCHAR pszError[_MAX_PATH];
- ULONG ulRc = NO_ERROR;
-
- ulRc = DosLoadModule(pszError, _MAX_PATH, (PSZ) name, &h);
- if (ulRc != NO_ERROR) {
- oserr = ulRc;
- PR_DELETE(lm);
- goto unlock;
- }
- lm->name = strdup(name);
- lm->dlh = h;
- lm->next = pr_loadmap;
- pr_loadmap = lm;
- }
-#endif /* XP_OS2 */
-
-#ifdef WIN32
- {
- HINSTANCE h;
-
- h = LoadLibraryExW(wname, NULL,
- (flags & PR_LD_ALT_SEARCH_PATH) ?
- LOAD_WITH_ALTERED_SEARCH_PATH : 0);
- if (h == NULL) {
- oserr = _MD_ERRNO();
- PR_DELETE(lm);
- goto unlock;
- }
- lm->name = strdup(utf8name);
- lm->dlh = h;
- lm->next = pr_loadmap;
- pr_loadmap = lm;
- }
-#endif /* WIN32 */
-
-#if defined(XP_MACOSX) && defined(USE_MACH_DYLD)
- {
- int i;
- PRStatus status;
-
- static const macLibraryLoadProc loadProcs[] = {
-#ifdef __ppc__
- pr_LoadViaDyld, pr_LoadCFBundle, pr_LoadViaCFM
-#else /* __ppc__ */
- pr_LoadViaDyld, pr_LoadCFBundle
-#endif /* __ppc__ */
- };
-
- for (i = 0; i < sizeof(loadProcs) / sizeof(loadProcs[0]); i++) {
- if ((status = loadProcs[i](name, lm)) == PR_SUCCESS)
- break;
- }
- if (status != PR_SUCCESS) {
- oserr = cfragNoLibraryErr;
- PR_DELETE(lm);
- goto unlock;
- }
- lm->name = strdup(name);
- lm->next = pr_loadmap;
- pr_loadmap = lm;
- }
-#endif
-
-#if defined(XP_UNIX) && !(defined(XP_MACOSX) && defined(USE_MACH_DYLD))
-#ifdef HAVE_DLL
- {
-#if defined(USE_DLFCN)
-#ifdef NTO
- /* Neutrino needs RTLD_GROUP to load Netscape plugins. (bug 71179) */
- int dl_flags = RTLD_GROUP;
-#elif defined(AIX)
- /* AIX needs RTLD_MEMBER to load an archive member. (bug 228899) */
- int dl_flags = RTLD_MEMBER;
-#else
- int dl_flags = 0;
-#endif
- void *h = NULL;
-
- if (flags & PR_LD_LAZY) {
- dl_flags |= RTLD_LAZY;
- }
- if (flags & PR_LD_NOW) {
- dl_flags |= RTLD_NOW;
- }
- if (flags & PR_LD_GLOBAL) {
- dl_flags |= RTLD_GLOBAL;
- }
- if (flags & PR_LD_LOCAL) {
- dl_flags |= RTLD_LOCAL;
- }
-#if defined(DARWIN)
- /* ensure the file exists if it contains a slash character i.e. path */
- /* DARWIN's dlopen ignores the provided path and checks for the */
- /* plain filename in DYLD_LIBRARY_PATH */
- if (strchr(name, PR_DIRECTORY_SEPARATOR) == NULL ||
- PR_Access(name, PR_ACCESS_EXISTS) == PR_SUCCESS) {
- h = dlopen(name, dl_flags);
- }
-#else
- h = dlopen(name, dl_flags);
-#endif
-#elif defined(USE_HPSHL)
- int shl_flags = 0;
- shl_t h;
-
- /*
- * Use the DYNAMIC_PATH flag only if 'name' is a plain file
- * name (containing no directory) to match the behavior of
- * dlopen().
- */
- if (strchr(name, PR_DIRECTORY_SEPARATOR) == NULL) {
- shl_flags |= DYNAMIC_PATH;
- }
- if (flags & PR_LD_LAZY) {
- shl_flags |= BIND_DEFERRED;
- }
- if (flags & PR_LD_NOW) {
- shl_flags |= BIND_IMMEDIATE;
- }
- /* No equivalent of PR_LD_GLOBAL and PR_LD_LOCAL. */
- h = shl_load(name, shl_flags, 0L);
-#elif defined(USE_MACH_DYLD)
- NSModule h = pr_LoadMachDyldModule(name);
-#else
-#error Configuration error
-#endif
- if (!h) {
- oserr = _MD_ERRNO();
- PR_DELETE(lm);
- goto unlock;
- }
- lm->name = strdup(name);
- lm->dlh = h;
- lm->next = pr_loadmap;
- pr_loadmap = lm;
- }
-#endif /* HAVE_DLL */
-#endif /* XP_UNIX && !(XP_MACOSX && USE_MACH_DYLD) */
-
- lm->refCount = 1;
-
-#ifdef XP_BEOS
- {
- image_info info;
- int32 cookie = 0;
- image_id imageid = B_ERROR;
- image_id stubid = B_ERROR;
- PRLibrary *p;
-
- for (p = pr_loadmap; p != NULL; p = p->next) {
- /* hopefully, our caller will always use the same string
- to refer to the same library */
- if (strcmp(name, p->name) == 0) {
- /* we've already loaded this library */
- imageid = info.id;
- lm->refCount++;
- break;
- }
- }
-
- if(imageid == B_ERROR) {
- /* it appears the library isn't yet loaded - load it now */
- char stubName [B_PATH_NAME_LENGTH + 1];
-
- /* the following is a work-around to a "bug" in the beos -
- the beos system loader allows only 32M (system-wide)
- to be used by code loaded as "add-ons" (code loaded
- through the 'load_add_on()' system call, which includes
- mozilla components), but allows 256M to be used by
- shared libraries.
-
- unfortunately, mozilla is too large to fit into the
- "add-on" space, so we must trick the loader into
- loading some of the components as shared libraries. this
- is accomplished by creating a "stub" add-on (an empty
- shared object), and linking it with the component
- (the actual .so file generated by the build process,
- without any modifications). when this stub is loaded
- by load_add_on(), the loader will automatically load the
- component into the shared library space.
- */
-
- strcpy(stubName, name);
- strcat(stubName, ".stub");
-
- /* first, attempt to load the stub (thereby loading the
- component as a shared library */
- if ((stubid = load_add_on(stubName)) > B_ERROR) {
- /* the stub was loaded successfully. */
- imageid = B_FILE_NOT_FOUND;
-
- cookie = 0;
- while (get_next_image_info(0, &cookie, &info) == B_OK) {
- const char *endOfSystemName = strrchr(info.name, '/');
- const char *endOfPassedName = strrchr(name, '/');
- if( 0 == endOfSystemName )
- endOfSystemName = info.name;
- else
- endOfSystemName++;
- if( 0 == endOfPassedName )
- endOfPassedName = name;
- else
- endOfPassedName++;
- if (strcmp(endOfSystemName, endOfPassedName) == 0) {
- /* this is the actual component - remember it */
- imageid = info.id;
- break;
- }
- }
-
- } else {
- /* we failed to load the "stub" - try to load the
- component directly as an add-on */
- stubid = B_ERROR;
- imageid = load_add_on(name);
- }
- }
-
- if (imageid <= B_ERROR) {
- oserr = imageid;
- PR_DELETE( lm );
- goto unlock;
- }
- lm->name = strdup(name);
- lm->dlh = (void*)imageid;
- lm->stub_dlh = (void*)stubid;
- lm->next = pr_loadmap;
- pr_loadmap = lm;
- }
-#endif
-
- result = lm; /* success */
- PR_LOG(_pr_linker_lm, PR_LOG_MIN, ("Loaded library %s (load lib)", lm->name));
-
- unlock:
- if (result == NULL) {
- PR_SetError(PR_LOAD_LIBRARY_ERROR, oserr);
- DLLErrorInternal(oserr); /* sets error text */
- }
-#ifdef WIN32
- if (utf8name_malloc)
- PR_Free(utf8name_malloc);
- if (wname_malloc)
- PR_Free(wname_malloc);
-#endif
- PR_ExitMonitor(pr_linker_lock);
- return result;
-}
-
-/*
-** Unload a shared library which was loaded via PR_LoadLibrary
-*/
-PR_IMPLEMENT(PRStatus)
-PR_UnloadLibrary(PRLibrary *lib)
-{
- int result = 0;
- PRStatus status = PR_SUCCESS;
-
- if (lib == 0) {
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return PR_FAILURE;
- }
-
- PR_EnterMonitor(pr_linker_lock);
-
- if (lib->refCount <= 0) {
- PR_ExitMonitor(pr_linker_lock);
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- return PR_FAILURE;
- }
-
- if (--lib->refCount > 0) {
- PR_LOG(_pr_linker_lm, PR_LOG_MIN,
- ("%s decr => %d",
- lib->name, lib->refCount));
- goto done;
- }
-
-#ifdef XP_BEOS
- if(((image_id)lib->stub_dlh) == B_ERROR)
- unload_add_on( (image_id) lib->dlh );
- else
- unload_add_on( (image_id) lib->stub_dlh);
-#endif
-
-#ifdef XP_UNIX
-#ifdef HAVE_DLL
-#ifdef USE_DLFCN
- result = dlclose(lib->dlh);
-#elif defined(USE_HPSHL)
- result = shl_unload(lib->dlh);
-#elif defined(USE_MACH_DYLD)
- if (lib->dlh)
- result = NSUnLinkModule(lib->dlh, NSUNLINKMODULE_OPTION_NONE) ? 0 : -1;
-#else
-#error Configuration error
-#endif
-#endif /* HAVE_DLL */
-#endif /* XP_UNIX */
-#ifdef XP_PC
- if (lib->dlh) {
- FreeLibrary((HINSTANCE)(lib->dlh));
- lib->dlh = (HINSTANCE)NULL;
- }
-#endif /* XP_PC */
-
-#if defined(XP_MACOSX) && defined(USE_MACH_DYLD)
- /* Close the connection */
- if (lib->connection)
- CloseConnection(&(lib->connection));
- if (lib->bundle)
- CFRelease(lib->bundle);
- if (lib->wrappers)
- CFRelease(lib->wrappers);
- /* No way to unload an image (lib->image) */
-#endif
-
- /* unlink from library search list */
- if (pr_loadmap == lib)
- pr_loadmap = pr_loadmap->next;
- else if (pr_loadmap != NULL) {
- PRLibrary* prev = pr_loadmap;
- PRLibrary* next = pr_loadmap->next;
- while (next != NULL) {
- if (next == lib) {
- prev->next = next->next;
- goto freeLib;
- }
- prev = next;
- next = next->next;
- }
- /*
- * fail (the library is not on the _pr_loadmap list),
- * but don't wipe out an error from dlclose/shl_unload.
- */
- PR_NOT_REACHED("_pr_loadmap and lib->refCount inconsistent");
- if (result == 0) {
- PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
- status = PR_FAILURE;
- }
- }
- /*
- * We free the PRLibrary structure whether dlclose/shl_unload
- * succeeds or not.
- */
-
- freeLib:
- PR_LOG(_pr_linker_lm, PR_LOG_MIN, ("Unloaded library %s", lib->name));
- free(lib->name);
- lib->name = NULL;
- PR_DELETE(lib);
- if (result != 0) {
- PR_SetError(PR_UNLOAD_LIBRARY_ERROR, _MD_ERRNO());
- DLLErrorInternal(_MD_ERRNO());
- status = PR_FAILURE;
- }
-
-done:
- PR_ExitMonitor(pr_linker_lock);
- return status;
-}
-
-static void*
-pr_FindSymbolInLib(PRLibrary *lm, const char *name)
-{
- void *f = NULL;
-#ifdef XP_OS2
- int rc;
-#endif
-
- if (lm->staticTable != NULL) {
- const PRStaticLinkTable* tp;
- for (tp = lm->staticTable; tp->name; tp++) {
- if (strcmp(name, tp->name) == 0) {
- return (void*) tp->fp;
- }
- }
- /*
- ** If the symbol was not found in the static table then check if
- ** the symbol was exported in the DLL... Win16 only!!
- */
-#if !defined(WIN16) && !defined(XP_BEOS)
- PR_SetError(PR_FIND_SYMBOL_ERROR, 0);
- return (void*)NULL;
-#endif
- }
-
-#ifdef XP_OS2
- rc = DosQueryProcAddr(lm->dlh, 0, (PSZ) name, (PFN *) &f);
-#if defined(NEED_LEADING_UNDERSCORE)
- /*
- * Older plugins (not built using GCC) will have symbols that are not
- * underscore prefixed. We check for that here.
- */
- if (rc != NO_ERROR) {
- name++;
- DosQueryProcAddr(lm->dlh, 0, (PSZ) name, (PFN *) &f);
- }
-#endif
-#endif /* XP_OS2 */
-
-#ifdef WIN32
- f = GetProcAddress(lm->dlh, name);
-#endif /* WIN32 */
-
-#if defined(XP_MACOSX) && defined(USE_MACH_DYLD)
-/* add this offset to skip the leading underscore in name */
-#define SYM_OFFSET 1
- if (lm->bundle) {
- CFStringRef nameRef = CFStringCreateWithCString(NULL, name + SYM_OFFSET, kCFStringEncodingASCII);
- if (nameRef) {
- f = CFBundleGetFunctionPointerForName(lm->bundle, nameRef);
- CFRelease(nameRef);
- }
- }
- if (lm->connection) {
- Ptr symAddr;
- CFragSymbolClass symClass;
- Str255 pName;
-
- PR_LOG(_pr_linker_lm, PR_LOG_MIN, ("Looking up symbol: %s", name + SYM_OFFSET));
-
- c2pstrcpy(pName, name + SYM_OFFSET);
-
- f = (FindSymbol(lm->connection, pName, &symAddr, &symClass) == noErr) ? symAddr : NULL;
-
-#ifdef __ppc__
- /* callers expect mach-o function pointers, so must wrap tvectors with glue. */
- if (f && symClass == kTVectorCFragSymbol) {
- f = TV2FP(lm->wrappers, name + SYM_OFFSET, f);
- }
-#endif /* __ppc__ */
-
- if (f == NULL && strcmp(name + SYM_OFFSET, "main") == 0) f = lm->main;
- }
- if (lm->image) {
- NSSymbol symbol;
- symbol = NSLookupSymbolInImage(lm->image, name,
- NSLOOKUPSYMBOLINIMAGE_OPTION_BIND
- | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
- if (symbol != NULL)
- f = NSAddressOfSymbol(symbol);
- else
- f = NULL;
- }
-#undef SYM_OFFSET
-#endif /* XP_MACOSX && USE_MACH_DYLD */
-
-#ifdef XP_BEOS
- if( B_NO_ERROR != get_image_symbol( (image_id)lm->dlh, name, B_SYMBOL_TYPE_TEXT, &f ) ) {
- f = NULL;
- }
-#endif
-
-#ifdef XP_UNIX
-#ifdef HAVE_DLL
-#ifdef USE_DLFCN
- f = dlsym(lm->dlh, name);
-#elif defined(USE_HPSHL)
- if (shl_findsym(&lm->dlh, name, TYPE_PROCEDURE, &f) == -1) {
- f = NULL;
- }
-#elif defined(USE_MACH_DYLD)
- if (lm->dlh) {
- NSSymbol symbol;
- symbol = NSLookupSymbolInModule(lm->dlh, name);
- if (symbol != NULL)
- f = NSAddressOfSymbol(symbol);
- else
- f = NULL;
- }
-#endif
-#endif /* HAVE_DLL */
-#endif /* XP_UNIX */
- if (f == NULL) {
- PR_SetError(PR_FIND_SYMBOL_ERROR, _MD_ERRNO());
- DLLErrorInternal(_MD_ERRNO());
- }
- return f;
-}
-
-/*
-** Called by class loader to resolve missing native's
-*/
-PR_IMPLEMENT(void*)
-PR_FindSymbol(PRLibrary *lib, const char *raw_name)
-{
- void *f = NULL;
-#if defined(NEED_LEADING_UNDERSCORE)
- char *name;
-#else
- const char *name;
-#endif
- /*
- ** Mangle the raw symbol name in any way that is platform specific.
- */
-#if defined(NEED_LEADING_UNDERSCORE)
- /* Need a leading _ */
- name = PR_smprintf("_%s", raw_name);
-#elif defined(AIX)
- /*
- ** AIX with the normal linker put's a "." in front of the symbol
- ** name. When use "svcc" and "svld" then the "." disappears. Go
- ** figure.
- */
- name = raw_name;
-#else
- name = raw_name;
-#endif
-
- PR_EnterMonitor(pr_linker_lock);
- PR_ASSERT(lib != NULL);
- f = pr_FindSymbolInLib(lib, name);
-
-#if defined(NEED_LEADING_UNDERSCORE)
- PR_smprintf_free(name);
-#endif
-
- PR_ExitMonitor(pr_linker_lock);
- return f;
-}
-
-/*
-** Return the address of the function 'raw_name' in the library 'lib'
-*/
-PR_IMPLEMENT(PRFuncPtr)
-PR_FindFunctionSymbol(PRLibrary *lib, const char *raw_name)
-{
- return ((PRFuncPtr) PR_FindSymbol(lib, raw_name));
-}
-
-PR_IMPLEMENT(void*)
-PR_FindSymbolAndLibrary(const char *raw_name, PRLibrary* *lib)
-{
- void *f = NULL;
-#if defined(NEED_LEADING_UNDERSCORE)
- char *name;
-#else
- const char *name;
-#endif
- PRLibrary* lm;
-
- if (!_pr_initialized) _PR_ImplicitInitialization();
- /*
- ** Mangle the raw symbol name in any way that is platform specific.
- */
-#if defined(NEED_LEADING_UNDERSCORE)
- /* Need a leading _ */
- name = PR_smprintf("_%s", raw_name);
-#elif defined(AIX)
- /*
- ** AIX with the normal linker put's a "." in front of the symbol
- ** name. When use "svcc" and "svld" then the "." disappears. Go
- ** figure.
- */
- name = raw_name;
-#else
- name = raw_name;
-#endif
-
- PR_EnterMonitor(pr_linker_lock);
-
- /* search all libraries */
- for (lm = pr_loadmap; lm != NULL; lm = lm->next) {
- f = pr_FindSymbolInLib(lm, name);
- if (f != NULL) {
- *lib = lm;
- lm->refCount++;
- PR_LOG(_pr_linker_lm, PR_LOG_MIN,
- ("%s incr => %d (for %s)",
- lm->name, lm->refCount, name));
- break;
- }
- }
-#if defined(NEED_LEADING_UNDERSCORE)
- PR_smprintf_free(name);
-#endif
-
- PR_ExitMonitor(pr_linker_lock);
- return f;
-}
-
-PR_IMPLEMENT(PRFuncPtr)
-PR_FindFunctionSymbolAndLibrary(const char *raw_name, PRLibrary* *lib)
-{
- return ((PRFuncPtr) PR_FindSymbolAndLibrary(raw_name, lib));
-}
-
-/*
-** Add a static library to the list of loaded libraries. If LoadLibrary
-** is called with the name then we will pretend it was already loaded
-*/
-PR_IMPLEMENT(PRLibrary*)
-PR_LoadStaticLibrary(const char *name, const PRStaticLinkTable *slt)
-{
- PRLibrary *lm=NULL;
- PRLibrary* result = NULL;
-
- if (!_pr_initialized) _PR_ImplicitInitialization();
-
- /* See if library is already loaded */
- PR_EnterMonitor(pr_linker_lock);
-
- /* If the lbrary is already loaded, then add the static table information... */
- result = pr_UnlockedFindLibrary(name);
- if (result != NULL) {
- PR_ASSERT( (result->staticTable == NULL) || (result->staticTable == slt) );
- result->staticTable = slt;
- goto unlock;
- }
-
- /* Add library to list...Mark it static */
- lm = PR_NEWZAP(PRLibrary);
- if (lm == NULL) goto unlock;
-
- lm->name = strdup(name);
- lm->refCount = 1;
- lm->dlh = pr_exe_loadmap ? pr_exe_loadmap->dlh : 0;
- lm->staticTable = slt;
- lm->next = pr_loadmap;
- pr_loadmap = lm;
-
- result = lm; /* success */
- PR_ASSERT(lm->refCount == 1);
- PR_LOG(_pr_linker_lm, PR_LOG_MIN, ("Loaded library %s (static lib)", lm->name));
- unlock:
- PR_ExitMonitor(pr_linker_lock);
- return result;
-}
-
-PR_IMPLEMENT(char *)
-PR_GetLibraryFilePathname(const char *name, PRFuncPtr addr)
-{
-#if defined(USE_DLFCN) && defined(HAVE_DLADDR)
- Dl_info dli;
- char *result;
-
- if (dladdr((void *)addr, &dli) == 0) {
- PR_SetError(PR_LIBRARY_NOT_LOADED_ERROR, _MD_ERRNO());
- DLLErrorInternal(_MD_ERRNO());
- return NULL;
- }
- result = PR_Malloc(strlen(dli.dli_fname)+1);
- if (result != NULL) {
- strcpy(result, dli.dli_fname);
- }
- return result;
-#elif defined(USE_MACH_DYLD)
- char *result;
- const char *image_name;
- int i, count = _dyld_image_count();
-
- for (i = 0; i < count; i++) {
- image_name = _dyld_get_image_name(i);
- if (strstr(image_name, name) != NULL) {
- result = PR_Malloc(strlen(image_name)+1);
- if (result != NULL) {
- strcpy(result, image_name);
- }
- return result;
- }
- }
- PR_SetError(PR_LIBRARY_NOT_LOADED_ERROR, 0);
- return NULL;
-#elif defined(AIX)
- char *result;
-#define LD_INFO_INCREMENT 64
- struct ld_info *info;
- unsigned int info_length = LD_INFO_INCREMENT * sizeof(struct ld_info);
- struct ld_info *infop;
- int loadflags = L_GETINFO | L_IGNOREUNLOAD;
-
- for (;;) {
- info = PR_Malloc(info_length);
- if (info == NULL) {
- return NULL;
- }
- /* If buffer is too small, loadquery fails with ENOMEM. */
- if (loadquery(loadflags, info, info_length) != -1) {
- break;
- }
- /*
- * Calling loadquery when compiled for 64-bit with the
- * L_IGNOREUNLOAD flag can cause an invalid argument error
- * on AIX 5.1. Detect this error the first time that
- * loadquery is called, and try calling it again without
- * this flag set.
- */
- if (errno == EINVAL && (loadflags & L_IGNOREUNLOAD)) {
- loadflags &= ~L_IGNOREUNLOAD;
- if (loadquery(loadflags, info, info_length) != -1) {
- break;
- }
- }
- PR_Free(info);
- if (errno != ENOMEM) {
- /* should not happen */
- _PR_MD_MAP_DEFAULT_ERROR(_MD_ERRNO());
- return NULL;
- }
- /* retry with a larger buffer */
- info_length += LD_INFO_INCREMENT * sizeof(struct ld_info);
- }
-
- for (infop = info;
- ;
- infop = (struct ld_info *)((char *)infop + infop->ldinfo_next)) {
- unsigned long start = (unsigned long)infop->ldinfo_dataorg;
- unsigned long end = start + infop->ldinfo_datasize;
- if (start <= (unsigned long)addr && end > (unsigned long)addr) {
- result = PR_Malloc(strlen(infop->ldinfo_filename)+1);
- if (result != NULL) {
- strcpy(result, infop->ldinfo_filename);
- }
- break;
- }
- if (!infop->ldinfo_next) {
- PR_SetError(PR_LIBRARY_NOT_LOADED_ERROR, 0);
- result = NULL;
- break;
- }
- }
- PR_Free(info);
- return result;
-#elif defined(OSF1)
- /* Contributed by Steve Streeter of HP */
- ldr_process_t process, ldr_my_process();
- ldr_module_t mod_id;
- ldr_module_info_t info;
- ldr_region_t regno;
- ldr_region_info_t reginfo;
- size_t retsize;
- int rv;
- char *result;
-
- /* Get process for which dynamic modules will be listed */
-
- process = ldr_my_process();
-
- /* Attach to process */
-
- rv = ldr_xattach(process);
- if (rv) {
- /* should not happen */
- _PR_MD_MAP_DEFAULT_ERROR(_MD_ERRNO());
- return NULL;
- }
-
- /* Print information for list of modules */
-
- mod_id = LDR_NULL_MODULE;
-
- for (;;) {
-
- /* Get information for the next module in the module list. */
-
- ldr_next_module(process, &mod_id);
- if (ldr_inq_module(process, mod_id, &info, sizeof(info),
- &retsize) != 0) {
- /* No more modules */
- break;
- }
- if (retsize < sizeof(info)) {
- continue;
- }
-
- /*
- * Get information for each region in the module and check if any
- * contain the address of this function.
- */
-
- for (regno = 0; ; regno++) {
- if (ldr_inq_region(process, mod_id, regno, &reginfo,
- sizeof(reginfo), &retsize) != 0) {
- /* No more regions */
- break;
- }
- if (((unsigned long)reginfo.lri_mapaddr <=
- (unsigned long)addr) &&
- (((unsigned long)reginfo.lri_mapaddr + reginfo.lri_size) >
- (unsigned long)addr)) {
- /* Found it. */
- result = PR_Malloc(strlen(info.lmi_name)+1);
- if (result != NULL) {
- strcpy(result, info.lmi_name);
- }
- return result;
- }
- }
- }
- PR_SetError(PR_LIBRARY_NOT_LOADED_ERROR, 0);
- return NULL;
-#elif defined(HPUX) && defined(USE_HPSHL)
- int index;
- struct shl_descriptor desc;
- char *result;
-
- for (index = 0; shl_get_r(index, &desc) == 0; index++) {
- if (strstr(desc.filename, name) != NULL) {
- result = PR_Malloc(strlen(desc.filename)+1);
- if (result != NULL) {
- strcpy(result, desc.filename);
- }
- return result;
- }
- }
- /*
- * Since the index value of a library is decremented if
- * a library preceding it in the shared library search
- * list was unloaded, it is possible that we missed some
- * libraries as we went up the list. So we should go
- * down the list to be sure that we not miss anything.
- */
- for (index--; index >= 0; index--) {
- if ((shl_get_r(index, &desc) == 0)
- && (strstr(desc.filename, name) != NULL)) {
- result = PR_Malloc(strlen(desc.filename)+1);
- if (result != NULL) {
- strcpy(result, desc.filename);
- }
- return result;
- }
- }
- PR_SetError(PR_LIBRARY_NOT_LOADED_ERROR, 0);
- return NULL;
-#elif defined(HPUX) && defined(USE_DLFCN)
- struct load_module_desc desc;
- char *result;
- const char *module_name;
-
- if (dlmodinfo((unsigned long)addr, &desc, sizeof desc, NULL, 0, 0) == 0) {
- PR_SetError(PR_LIBRARY_NOT_LOADED_ERROR, _MD_ERRNO());
- DLLErrorInternal(_MD_ERRNO());
- return NULL;
- }
- module_name = dlgetname(&desc, sizeof desc, NULL, 0, 0);
- if (module_name == NULL) {
- /* should not happen */
- _PR_MD_MAP_DEFAULT_ERROR(_MD_ERRNO());
- DLLErrorInternal(_MD_ERRNO());
- return NULL;
- }
- result = PR_Malloc(strlen(module_name)+1);
- if (result != NULL) {
- strcpy(result, module_name);
- }
- return result;
-#elif defined(WIN32)
- PRUnichar wname[MAX_PATH];
- HMODULE handle = NULL;
- PRUnichar module_name[MAX_PATH];
- int len;
- char *result;
-
- if (MultiByteToWideChar(CP_ACP, 0, name, -1, wname, MAX_PATH)) {
- handle = GetModuleHandleW(wname);
- }
- if (handle == NULL) {
- PR_SetError(PR_LIBRARY_NOT_LOADED_ERROR, _MD_ERRNO());
- DLLErrorInternal(_MD_ERRNO());
- return NULL;
- }
- if (GetModuleFileNameW(handle, module_name, MAX_PATH) == 0) {
- /* should not happen */
- _PR_MD_MAP_DEFAULT_ERROR(_MD_ERRNO());
- return NULL;
- }
- len = WideCharToMultiByte(CP_ACP, 0, module_name, -1,
- NULL, 0, NULL, NULL);
- if (len == 0) {
- _PR_MD_MAP_DEFAULT_ERROR(_MD_ERRNO());
- return NULL;
- }
- result = PR_Malloc(len * sizeof(PRUnichar));
- if (result != NULL) {
- WideCharToMultiByte(CP_ACP, 0, module_name, -1,
- result, len, NULL, NULL);
- }
- return result;
-#elif defined(XP_OS2)
- HMODULE module = NULL;
- char module_name[_MAX_PATH];
- char *result;
- APIRET ulrc = DosQueryModFromEIP(&module, NULL, 0, NULL, NULL, (ULONG) addr);
- if ((NO_ERROR != ulrc) || (NULL == module) ) {
- PR_SetError(PR_LIBRARY_NOT_LOADED_ERROR, _MD_ERRNO());
- DLLErrorInternal(_MD_ERRNO());
- return NULL;
- }
- ulrc = DosQueryModuleName(module, sizeof module_name, module_name);
- if (NO_ERROR != ulrc) {
- /* should not happen */
- _PR_MD_MAP_DEFAULT_ERROR(_MD_ERRNO());
- return NULL;
- }
- result = PR_Malloc(strlen(module_name)+1);
- if (result != NULL) {
- strcpy(result, module_name);
- }
- return result;
-#else
- PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
- return NULL;
-#endif
-}
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