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-rw-r--r--unix/tclLoadDyld.c362
1 files changed, 151 insertions, 211 deletions
diff --git a/unix/tclLoadDyld.c b/unix/tclLoadDyld.c
index 0a36215..50c283d 100644
--- a/unix/tclLoadDyld.c
+++ b/unix/tclLoadDyld.c
@@ -16,42 +16,36 @@
#include "tclInt.h"
#ifndef MODULE_SCOPE
-#define MODULE_SCOPE extern
+# define MODULE_SCOPE extern
#endif
-#ifndef TCL_DYLD_USE_DLFCN
/*
* Use preferred dlfcn API on 10.4 and later
*/
-# if !defined(NO_DLFCN_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
-# define TCL_DYLD_USE_DLFCN 1
-# else
+
+#ifndef TCL_DYLD_USE_DLFCN
+# ifdef NO_DLFCN_H
# define TCL_DYLD_USE_DLFCN 0
+# else
+# define TCL_DYLD_USE_DLFCN 1
# endif
#endif
-#ifndef TCL_DYLD_USE_NSMODULE
+
/*
* Use deprecated NSModule API only to support 10.3 and earlier:
*/
-# if MAC_OS_X_VERSION_MIN_REQUIRED < 1040
-# define TCL_DYLD_USE_NSMODULE 1
-# else
-# define TCL_DYLD_USE_NSMODULE 0
-# endif
+
+#ifndef TCL_DYLD_USE_NSMODULE
+# define TCL_DYLD_USE_NSMODULE 0
#endif
-#if TCL_DYLD_USE_DLFCN
-#include <dlfcn.h>
-#if defined(HAVE_WEAK_IMPORT) && MAC_OS_X_VERSION_MIN_REQUIRED < 1040
/*
- * Support for weakly importing dlfcn API.
+ * Use includes for the API we're using.
*/
-extern void *dlopen(const char *path, int mode) WEAK_IMPORT_ATTRIBUTE;
-extern void *dlsym(void *handle, const char *symbol) WEAK_IMPORT_ATTRIBUTE;
-extern int dlclose(void *handle) WEAK_IMPORT_ATTRIBUTE;
-extern char *dlerror(void) WEAK_IMPORT_ATTRIBUTE;
-#endif
-#endif
+
+#if TCL_DYLD_USE_DLFCN
+# include <dlfcn.h>
+#endif /* TCL_DYLD_USE_DLFCN */
#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
#include <mach-o/dyld.h>
@@ -60,39 +54,33 @@ extern char *dlerror(void) WEAK_IMPORT_ATTRIBUTE;
#include <mach-o/arch.h>
#include <libkern/OSByteOrder.h>
#include <mach/mach.h>
-#include <stdbool.h>
typedef struct Tcl_DyldModuleHandle {
struct Tcl_DyldModuleHandle *nextPtr;
NSModule module;
} Tcl_DyldModuleHandle;
-#endif /* TCL_DYLD_USE_NSMODULE */
+#endif /* TCL_DYLD_USE_NSMODULE || TCL_LOAD_FROM_MEMORY */
-typedef struct Tcl_DyldLoadHandle {
-#if TCL_DYLD_USE_DLFCN
+typedef struct {
void *dlHandle;
-#endif
#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
const struct mach_header *dyldLibHeader;
Tcl_DyldModuleHandle *modulePtr;
#endif
} Tcl_DyldLoadHandle;
-#if (TCL_DYLD_USE_DLFCN && MAC_OS_X_VERSION_MIN_REQUIRED < 1040) || \
- defined(TCL_LOAD_FROM_MEMORY)
-MODULE_SCOPE long tclMacOSXDarwinRelease;
+#if TCL_DYLD_USE_DLFCN || defined(TCL_LOAD_FROM_MEMORY)
+MODULE_SCOPE long tclMacOSXDarwinRelease;
#endif
-#ifdef TCL_DEBUG_LOAD
-#define TclLoadDbgMsg(m, ...) do { \
- fprintf(stderr, "%s:%d: %s(): " m ".\n", \
- strrchr(__FILE__, '/')+1, __LINE__, __func__, ##__VA_ARGS__); \
- } while (0)
-#else
-#define TclLoadDbgMsg(m, ...)
-#endif
+/*
+ * Static functions defined in this file.
+ */
+
+static void * FindSymbol(Tcl_Interp *interp,
+ Tcl_LoadHandle loadHandle, const char *symbol);
+static void UnloadFile(Tcl_LoadHandle handle);
-#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
/*
*----------------------------------------------------------------------
*
@@ -110,7 +98,8 @@ MODULE_SCOPE long tclMacOSXDarwinRelease;
*----------------------------------------------------------------------
*/
-static CONST char*
+#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
+static const char *
DyldOFIErrorMsg(
int err)
{
@@ -131,7 +120,7 @@ DyldOFIErrorMsg(
return "unknown error";
}
}
-#endif /* TCL_DYLD_USE_NSMODULE */
+#endif /* TCL_DYLD_USE_NSMODULE || TCL_LOAD_FROM_MEMORY */
/*
*----------------------------------------------------------------------
@@ -159,15 +148,15 @@ TclpDlopen(
Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded
* file which will be passed back to
* (*unloadProcPtr)() to unload the file. */
- Tcl_FSUnloadFileProc **unloadProcPtr)
+ Tcl_FSUnloadFileProc **unloadProcPtr,
/* Filled with address of Tcl_FSUnloadFileProc
* function which should be used for this
* file. */
+ int flags)
{
Tcl_DyldLoadHandle *dyldLoadHandle;
-#if TCL_DYLD_USE_DLFCN
+ Tcl_LoadHandle newHandle;
void *dlHandle = NULL;
-#endif
#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
const struct mach_header *dyldLibHeader = NULL;
Tcl_DyldModuleHandle *modulePtr = NULL;
@@ -176,12 +165,14 @@ TclpDlopen(
NSLinkEditErrors editError;
int errorNumber;
const char *errorName, *objFileImageErrMsg = NULL;
-#endif
+#endif /* TCL_DYLD_USE_NSMODULE */
const char *errMsg = NULL;
int result;
Tcl_DString ds;
- char *fileName = NULL;
const char *nativePath, *nativeFileName = NULL;
+#if TCL_DYLD_USE_DLFCN
+ int dlopenflags = 0;
+#endif /* TCL_DYLD_USE_DLFCN */
/*
* First try the full path the user gave us. This is particularly
@@ -190,46 +181,44 @@ TclpDlopen(
*/
nativePath = Tcl_FSGetNativePath(pathPtr);
+ nativeFileName = Tcl_UtfToExternalDString(NULL, Tcl_GetString(pathPtr),
+ -1, &ds);
#if TCL_DYLD_USE_DLFCN
-#if MAC_OS_X_VERSION_MIN_REQUIRED < 1040
- if (tclMacOSXDarwinRelease >= 8)
-#endif
- {
/*
- * Use (RTLD_NOW|RTLD_LOCAL) always, see [Bug #3216070]
+ * Use (RTLD_NOW|RTLD_LOCAL) as default, see [Bug #3216070]
*/
- dlHandle = dlopen(nativePath, RTLD_NOW | RTLD_LOCAL);
- if (!dlHandle) {
- /*
- * Let the OS loader examine the binary search path for whatever
- * string the user gave us which hopefully refers to a file on the
- * binary path.
- */
- fileName = Tcl_GetString(pathPtr);
- nativeFileName = Tcl_UtfToExternalDString(NULL, fileName, -1, &ds);
- /*
- * Use (RTLD_NOW|RTLD_LOCAL) always, see [Bug #3216070]
- */
- dlHandle = dlopen(nativeFileName, RTLD_NOW | RTLD_LOCAL);
- }
- if (dlHandle) {
- TclLoadDbgMsg("dlopen() successful");
- } else {
+ if (flags & TCL_LOAD_GLOBAL) {
+ dlopenflags |= RTLD_GLOBAL;
+ } else {
+ dlopenflags |= RTLD_LOCAL;
+ }
+ if (flags & TCL_LOAD_LAZY) {
+ dlopenflags |= RTLD_LAZY;
+ } else {
+ dlopenflags |= RTLD_NOW;
+ }
+ dlHandle = dlopen(nativePath, dlopenflags);
+ if (!dlHandle) {
+ /*
+ * Let the OS loader examine the binary search path for whatever string
+ * the user gave us which hopefully refers to a file on the binary
+ * path.
+ */
+
+ dlHandle = dlopen(nativeFileName, dlopenflags);
+ if (!dlHandle) {
errMsg = dlerror();
- TclLoadDbgMsg("dlopen() failed: %s", errMsg);
}
}
- if (!dlHandle)
#endif /* TCL_DYLD_USE_DLFCN */
- {
+
+ if (!dlHandle) {
#if TCL_DYLD_USE_NSMODULE
dyldLibHeader = NSAddImage(nativePath,
NSADDIMAGE_OPTION_RETURN_ON_ERROR);
- if (dyldLibHeader) {
- TclLoadDbgMsg("NSAddImage() successful");
- } else {
+ if (!dyldLibHeader) {
NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg);
if (editError == NSLinkEditFileAccessError) {
/*
@@ -238,20 +227,12 @@ TclpDlopen(
* which hopefully refers to a file on the binary path.
*/
- if (!fileName) {
- fileName = Tcl_GetString(pathPtr);
- nativeFileName = Tcl_UtfToExternalDString(NULL, fileName,
- -1, &ds);
- }
dyldLibHeader = NSAddImage(nativeFileName,
NSADDIMAGE_OPTION_WITH_SEARCHING |
NSADDIMAGE_OPTION_RETURN_ON_ERROR);
- if (dyldLibHeader) {
- TclLoadDbgMsg("NSAddImage() successful");
- } else {
+ if (!dyldLibHeader) {
NSLinkEditError(&editError, &errorNumber, &errorName,
&errMsg);
- TclLoadDbgMsg("NSAddImage() failed: %s", errMsg);
}
} else if ((editError == NSLinkEditFileFormatError
&& errorNumber == EBADMACHO)
@@ -268,72 +249,70 @@ TclpDlopen(
err = NSCreateObjectFileImageFromFile(nativePath,
&dyldObjFileImage);
if (err == NSObjectFileImageSuccess && dyldObjFileImage) {
- TclLoadDbgMsg("NSCreateObjectFileImageFromFile() "
- "successful");
- module = NSLinkModule(dyldObjFileImage, nativePath,
- NSLINKMODULE_OPTION_BINDNOW
- | NSLINKMODULE_OPTION_RETURN_ON_ERROR);
+ int nsflags = NSLINKMODULE_OPTION_RETURN_ON_ERROR;
+ if (!(flags & 1)) nsflags |= NSLINKMODULE_OPTION_PRIVATE;
+ if (!(flags & 2)) nsflags |= NSLINKMODULE_OPTION_BINDNOW;
+ module = NSLinkModule(dyldObjFileImage, nativePath, nsflags);
NSDestroyObjectFileImage(dyldObjFileImage);
if (module) {
- modulePtr = (Tcl_DyldModuleHandle *)
- ckalloc(sizeof(Tcl_DyldModuleHandle));
+ modulePtr = ckalloc(sizeof(Tcl_DyldModuleHandle));
modulePtr->module = module;
modulePtr->nextPtr = NULL;
- TclLoadDbgMsg("NSLinkModule() successful");
} else {
NSLinkEditError(&editError, &errorNumber, &errorName,
&errMsg);
- TclLoadDbgMsg("NSLinkModule() failed: %s", errMsg);
}
} else {
objFileImageErrMsg = DyldOFIErrorMsg(err);
- TclLoadDbgMsg("NSCreateObjectFileImageFromFile() failed: "
- "%s", objFileImageErrMsg);
}
}
}
#endif /* TCL_DYLD_USE_NSMODULE */
}
- if (0
-#if TCL_DYLD_USE_DLFCN
- || dlHandle
-#endif
+
+ if (dlHandle
#if TCL_DYLD_USE_NSMODULE
|| dyldLibHeader || modulePtr
-#endif
+#endif /* TCL_DYLD_USE_NSMODULE */
) {
- dyldLoadHandle = (Tcl_DyldLoadHandle *)
- ckalloc(sizeof(Tcl_DyldLoadHandle));
-#if TCL_DYLD_USE_DLFCN
+ dyldLoadHandle = ckalloc(sizeof(Tcl_DyldLoadHandle));
dyldLoadHandle->dlHandle = dlHandle;
-#endif
#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
dyldLoadHandle->dyldLibHeader = dyldLibHeader;
dyldLoadHandle->modulePtr = modulePtr;
-#endif
- *loadHandle = (Tcl_LoadHandle) dyldLoadHandle;
- *unloadProcPtr = &TclpUnloadFile;
+#endif /* TCL_DYLD_USE_NSMODULE || TCL_LOAD_FROM_MEMORY */
+ newHandle = ckalloc(sizeof(*newHandle));
+ newHandle->clientData = dyldLoadHandle;
+ newHandle->findSymbolProcPtr = &FindSymbol;
+ newHandle->unloadFileProcPtr = &UnloadFile;
+ *unloadProcPtr = &UnloadFile;
+ *loadHandle = newHandle;
result = TCL_OK;
} else {
- Tcl_AppendResult(interp, errMsg, NULL);
+ Tcl_Obj *errObj = Tcl_NewObj();
+
+ if (errMsg != NULL) {
+ Tcl_AppendToObj(errObj, errMsg, -1);
+ }
#if TCL_DYLD_USE_NSMODULE
if (objFileImageErrMsg) {
- Tcl_AppendResult(interp, "\nNSCreateObjectFileImageFromFile() "
- "error: ", objFileImageErrMsg, NULL);
+ Tcl_AppendPrintfToObj(errObj,
+ "\nNSCreateObjectFileImageFromFile() error: %s",
+ objFileImageErrMsg);
}
-#endif
+#endif /* TCL_DYLD_USE_NSMODULE */
+ Tcl_SetObjResult(interp, errObj);
result = TCL_ERROR;
}
- if(fileName) {
- Tcl_DStringFree(&ds);
- }
+
+ Tcl_DStringFree(&ds);
return result;
}
/*
*----------------------------------------------------------------------
*
- * TclpFindSymbol --
+ * FindSymbol --
*
* Looks up a symbol, by name, through a handle associated with a
* previously loaded piece of code (shared library).
@@ -346,31 +325,27 @@ TclpDlopen(
*----------------------------------------------------------------------
*/
-MODULE_SCOPE Tcl_PackageInitProc *
-TclpFindSymbol(
+static void *
+FindSymbol(
Tcl_Interp *interp, /* For error reporting. */
Tcl_LoadHandle loadHandle, /* Handle from TclpDlopen. */
- CONST char *symbol) /* Symbol name to look up. */
+ const char *symbol) /* Symbol name to look up. */
{
- Tcl_DyldLoadHandle *dyldLoadHandle = (Tcl_DyldLoadHandle *) loadHandle;
+ Tcl_DyldLoadHandle *dyldLoadHandle = loadHandle->clientData;
Tcl_PackageInitProc *proc = NULL;
const char *errMsg = NULL;
Tcl_DString ds;
const char *native;
native = Tcl_UtfToExternalDString(NULL, symbol, -1, &ds);
-#if TCL_DYLD_USE_DLFCN
if (dyldLoadHandle->dlHandle) {
+#if TCL_DYLD_USE_DLFCN
proc = dlsym(dyldLoadHandle->dlHandle, native);
- if (proc) {
- TclLoadDbgMsg("dlsym() successful");
- } else {
+ if (!proc) {
errMsg = dlerror();
- TclLoadDbgMsg("dlsym() failed: %s", errMsg);
}
- } else
#endif /* TCL_DYLD_USE_DLFCN */
- {
+ } else {
#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
NSSymbol nsSymbol = NULL;
Tcl_DString newName;
@@ -380,20 +355,19 @@ TclpFindSymbol(
*/
Tcl_DStringInit(&newName);
- Tcl_DStringAppend(&newName, "_", 1);
+ TclDStringAppendLiteral(&newName, "_");
native = Tcl_DStringAppend(&newName, native, -1);
if (dyldLoadHandle->dyldLibHeader) {
nsSymbol = NSLookupSymbolInImage(dyldLoadHandle->dyldLibHeader,
native, NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW |
NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
if (nsSymbol) {
- TclLoadDbgMsg("NSLookupSymbolInImage() successful");
-#ifdef DYLD_SUPPORTS_DYLIB_UNLOADING
/*
* Until dyld supports unloading of MY_DYLIB binaries, the
* following is not needed.
*/
+#ifdef DYLD_SUPPORTS_DYLIB_UNLOADING
NSModule module = NSModuleForSymbol(nsSymbol);
Tcl_DyldModuleHandle *modulePtr = dyldLoadHandle->modulePtr;
@@ -404,8 +378,7 @@ TclpFindSymbol(
modulePtr = modulePtr->nextPtr;
}
if (modulePtr == NULL) {
- modulePtr = (Tcl_DyldModuleHandle *)
- ckalloc(sizeof(Tcl_DyldModuleHandle));
+ modulePtr = ckalloc(sizeof(Tcl_DyldModuleHandle));
modulePtr->module = module;
modulePtr->nextPtr = dyldLoadHandle->modulePtr;
dyldLoadHandle->modulePtr = modulePtr;
@@ -417,31 +390,23 @@ TclpFindSymbol(
const char *errorName;
NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg);
- TclLoadDbgMsg("NSLookupSymbolInImage() failed: %s", errMsg);
}
} else if (dyldLoadHandle->modulePtr) {
nsSymbol = NSLookupSymbolInModule(
dyldLoadHandle->modulePtr->module, native);
- if (nsSymbol) {
- TclLoadDbgMsg("NSLookupSymbolInModule() successful");
- } else {
- TclLoadDbgMsg("NSLookupSymbolInModule() failed");
- }
}
if (nsSymbol) {
proc = NSAddressOfSymbol(nsSymbol);
- if (proc) {
- TclLoadDbgMsg("NSAddressOfSymbol() successful");
- } else {
- TclLoadDbgMsg("NSAddressOfSymbol() failed");
- }
}
Tcl_DStringFree(&newName);
#endif /* TCL_DYLD_USE_NSMODULE */
}
Tcl_DStringFree(&ds);
- if (errMsg) {
- Tcl_AppendResult(interp, errMsg, NULL);
+ if (errMsg && (interp != NULL)) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "cannot find symbol \"%s\": %s", symbol, errMsg));
+ Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "LOAD_SYMBOL", symbol,
+ NULL);
}
return proc;
}
@@ -449,7 +414,7 @@ TclpFindSymbol(
/*
*----------------------------------------------------------------------
*
- * TclpUnloadFile --
+ * UnloadFile --
*
* Unloads a dynamically loaded binary code file from memory. Code
* pointers in the formerly loaded file are no longer valid after calling
@@ -466,48 +431,34 @@ TclpFindSymbol(
*----------------------------------------------------------------------
*/
-MODULE_SCOPE void
-TclpUnloadFile(
+static void
+UnloadFile(
Tcl_LoadHandle loadHandle) /* loadHandle returned by a previous call to
* TclpDlopen(). The loadHandle is a token
* that represents the loaded file. */
{
- Tcl_DyldLoadHandle *dyldLoadHandle = (Tcl_DyldLoadHandle *) loadHandle;
+ Tcl_DyldLoadHandle *dyldLoadHandle = loadHandle->clientData;
-#if TCL_DYLD_USE_DLFCN
if (dyldLoadHandle->dlHandle) {
- int result;
-
- result = dlclose(dyldLoadHandle->dlHandle);
- if (!result) {
- TclLoadDbgMsg("dlclose() successful");
- } else {
- TclLoadDbgMsg("dlclose() failed: %s", dlerror());
- }
- } else
+#if TCL_DYLD_USE_DLFCN
+ (void) dlclose(dyldLoadHandle->dlHandle);
#endif /* TCL_DYLD_USE_DLFCN */
- {
+ } else {
#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
Tcl_DyldModuleHandle *modulePtr = dyldLoadHandle->modulePtr;
while (modulePtr != NULL) {
- void *ptr;
- bool result;
+ void *ptr = modulePtr;
- result = NSUnLinkModule(modulePtr->module,
+ (void) NSUnLinkModule(modulePtr->module,
NSUNLINKMODULE_OPTION_RESET_LAZY_REFERENCES);
- if (result) {
- TclLoadDbgMsg("NSUnLinkModule() successful");
- } else {
- TclLoadDbgMsg("NSUnLinkModule() failed");
- }
- ptr = modulePtr;
modulePtr = modulePtr->nextPtr;
ckfree(ptr);
}
#endif /* TCL_DYLD_USE_NSMODULE */
}
- ckfree((char*) dyldLoadHandle);
+ ckfree(dyldLoadHandle);
+ ckfree(loadHandle);
}
/*
@@ -532,7 +483,7 @@ TclpUnloadFile(
int
TclGuessPackageName(
- CONST char *fileName, /* Name of file containing package (already
+ const char *fileName, /* Name of file containing package (already
* translated to local form if needed). */
Tcl_DString *bufPtr) /* Initialized empty dstring. Append package
* name to this if possible. */
@@ -540,7 +491,6 @@ TclGuessPackageName(
return 0;
}
-#ifdef TCL_LOAD_FROM_MEMORY
/*
*----------------------------------------------------------------------
*
@@ -557,6 +507,7 @@ TclGuessPackageName(
*----------------------------------------------------------------------
*/
+#ifdef TCL_LOAD_FROM_MEMORY
MODULE_SCOPE void *
TclpLoadMemoryGetBuffer(
Tcl_Interp *interp, /* Used for error reporting. */
@@ -581,6 +532,7 @@ TclpLoadMemoryGetBuffer(
}
return buffer;
}
+#endif /* TCL_LOAD_FROM_MEMORY */
/*
*----------------------------------------------------------------------
@@ -600,6 +552,7 @@ TclpLoadMemoryGetBuffer(
*----------------------------------------------------------------------
*/
+#ifdef TCL_LOAD_FROM_MEMORY
MODULE_SCOPE int
TclpLoadMemory(
Tcl_Interp *interp, /* Used for error reporting. */
@@ -612,16 +565,19 @@ TclpLoadMemory(
Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded
* file which will be passed back to
* (*unloadProcPtr)() to unload the file. */
- Tcl_FSUnloadFileProc **unloadProcPtr)
+ Tcl_FSUnloadFileProc **unloadProcPtr,
/* Filled with address of Tcl_FSUnloadFileProc
* function which should be used for this
* file. */
+ int flags)
{
+ Tcl_LoadHandle newHandle;
Tcl_DyldLoadHandle *dyldLoadHandle;
NSObjectFileImage dyldObjFileImage = NULL;
Tcl_DyldModuleHandle *modulePtr;
NSModule module;
const char *objFileImageErrMsg = NULL;
+ int nsflags = NSLINKMODULE_OPTION_RETURN_ON_ERROR;
/*
* Try to create an object file image that we can load from.
@@ -633,15 +589,15 @@ TclpLoadMemory(
uint32_t ms = 0;
#ifndef __LP64__
const struct mach_header *mh = NULL;
- #define mh_size sizeof(struct mach_header)
- #define mh_magic MH_MAGIC
- #define arch_abi 0
+# define mh_size sizeof(struct mach_header)
+# define mh_magic MH_MAGIC
+# define arch_abi 0
#else
const struct mach_header_64 *mh = NULL;
- #define mh_size sizeof(struct mach_header_64)
- #define mh_magic MH_MAGIC_64
- #define arch_abi CPU_ARCH_ABI64
-#endif
+# define mh_size sizeof(struct mach_header_64)
+# define mh_magic MH_MAGIC_64
+# define arch_abi CPU_ARCH_ABI64
+#endif /* __LP64__ */
if ((size_t) codeSize >= sizeof(struct fat_header)
&& fh->magic == OSSwapHostToBigInt32(FAT_MAGIC)) {
@@ -651,7 +607,6 @@ TclpLoadMemory(
* Fat binary, try to find mach_header for our architecture
*/
- TclLoadDbgMsg("Fat binary, %d archs", fh_nfat_arch);
if ((size_t) codeSize >= sizeof(struct fat_header) +
fh_nfat_arch * sizeof(struct fat_arch)) {
void *fatarchs = (char*)buffer + sizeof(struct fat_header);
@@ -664,22 +619,15 @@ TclpLoadMemory(
fa = NXFindBestFatArch(arch->cputype | arch_abi,
arch->cpusubtype, fatarchs, fh_nfat_arch);
if (fa) {
- TclLoadDbgMsg("NXFindBestFatArch() successful: "
- "local cputype %d subtype %d, "
- "fat cputype %d subtype %d",
- arch->cputype | arch_abi, arch->cpusubtype,
- fa->cputype, fa->cpusubtype);
- mh = (void*)((char*)buffer + fa->offset);
+ mh = (void *)((char *) buffer + fa->offset);
ms = fa->size;
} else {
- TclLoadDbgMsg("NXFindBestFatArch() failed");
err = NSObjectFileImageInappropriateFile;
}
if (fh->magic != FAT_MAGIC) {
swap_fat_arch(fatarchs, fh_nfat_arch, arch->byteorder);
}
} else {
- TclLoadDbgMsg("Fat binary header failure");
err = NSObjectFileImageInappropriateFile;
}
} else {
@@ -687,26 +635,18 @@ TclpLoadMemory(
* Thin binary
*/
- TclLoadDbgMsg("Thin binary");
mh = buffer;
ms = codeSize;
}
if (ms && !(ms >= mh_size && mh->magic == mh_magic &&
mh->filetype == MH_BUNDLE)) {
- TclLoadDbgMsg("Inappropriate file: magic %x filetype %d",
- mh->magic, mh->filetype);
err = NSObjectFileImageInappropriateFile;
}
if (err == NSObjectFileImageSuccess) {
err = NSCreateObjectFileImageFromMemory(buffer, codeSize,
&dyldObjFileImage);
- if (err == NSObjectFileImageSuccess) {
- TclLoadDbgMsg("NSCreateObjectFileImageFromMemory() "
- "successful");
- } else {
+ if (err != NSObjectFileImageSuccess) {
objFileImageErrMsg = DyldOFIErrorMsg(err);
- TclLoadDbgMsg("NSCreateObjectFileImageFromMemory() failed: %s",
- objFileImageErrMsg);
}
} else {
objFileImageErrMsg = DyldOFIErrorMsg(err);
@@ -721,8 +661,9 @@ TclpLoadMemory(
if (dyldObjFileImage == NULL) {
vm_deallocate(mach_task_self(), (vm_address_t) buffer, size);
if (objFileImageErrMsg != NULL) {
- Tcl_AppendResult(interp, "NSCreateObjectFileImageFromMemory() "
- "error: ", objFileImageErrMsg, NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "NSCreateObjectFileImageFromMemory() error: %s",
+ objFileImageErrMsg));
}
return TCL_ERROR;
}
@@ -731,19 +672,17 @@ TclpLoadMemory(
* Extract the module we want from the image of the object file.
*/
- module = NSLinkModule(dyldObjFileImage, "[Memory Based Bundle]",
- NSLINKMODULE_OPTION_BINDNOW | NSLINKMODULE_OPTION_RETURN_ON_ERROR);
+ if (!(flags & 1)) nsflags |= NSLINKMODULE_OPTION_PRIVATE;
+ if (!(flags & 2)) nsflags |= NSLINKMODULE_OPTION_BINDNOW;
+ module = NSLinkModule(dyldObjFileImage, "[Memory Based Bundle]", nsflags);
NSDestroyObjectFileImage(dyldObjFileImage);
- if (module) {
- TclLoadDbgMsg("NSLinkModule() successful");
- } else {
+ if (!module) {
NSLinkEditErrors editError;
int errorNumber;
const char *errorName, *errMsg;
NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg);
- TclLoadDbgMsg("NSLinkModule() failed: %s", errMsg);
- Tcl_AppendResult(interp, errMsg, NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(errMsg, -1));
return TCL_ERROR;
}
@@ -751,18 +690,19 @@ TclpLoadMemory(
* Stash the module reference within the load handle we create and return.
*/
- modulePtr = (Tcl_DyldModuleHandle *) ckalloc(sizeof(Tcl_DyldModuleHandle));
+ modulePtr = ckalloc(sizeof(Tcl_DyldModuleHandle));
modulePtr->module = module;
modulePtr->nextPtr = NULL;
- dyldLoadHandle = (Tcl_DyldLoadHandle *)
- ckalloc(sizeof(Tcl_DyldLoadHandle));
-#if TCL_DYLD_USE_DLFCN
+ dyldLoadHandle = ckalloc(sizeof(Tcl_DyldLoadHandle));
dyldLoadHandle->dlHandle = NULL;
-#endif
dyldLoadHandle->dyldLibHeader = NULL;
dyldLoadHandle->modulePtr = modulePtr;
- *loadHandle = (Tcl_LoadHandle) dyldLoadHandle;
- *unloadProcPtr = &TclpUnloadFile;
+ newHandle = ckalloc(sizeof(*newHandle));
+ newHandle->clientData = dyldLoadHandle;
+ newHandle->findSymbolProcPtr = &FindSymbol;
+ newHandle->unloadFileProcPtr = &UnloadFile;
+ *loadHandle = newHandle;
+ *unloadProcPtr = &UnloadFile;
return TCL_OK;
}
#endif /* TCL_LOAD_FROM_MEMORY */
generated by cgit v0.12 at 2024-11-21 18:34:27 (GMT)