this repo has no description
Implement more obsolete NS* dynamic linker functions
+121
+5
src/libdyld/darwin.map
+5
src/libdyld/darwin.map
+72
src/libdyld/dl_public.cpp
+72
src/libdyld/dl_public.cpp
···
331
331
{
332
332
environ = _environ;
333
333
}
334
+
335
+
static NSLinkEditErrorHandlers g_linkEditErrorHandlers;
336
+
337
+
NSObjectFileImageReturnCode NSCreateObjectFileImageFromFile(const char* pathName, NSObjectFileImage * objectFileImage)
338
+
{
339
+
// TODO: this works here, but would not work for loading images from memory
340
+
*objectFileImage = strdup(pathName);
341
+
return NSObjectFileImageSuccess;
342
+
}
343
+
344
+
NSModule NSLinkModule( NSObjectFileImage objectFileImage, const char* moduleName, uint32_t options)
345
+
{
346
+
int opts = 0;
347
+
void* module;
348
+
349
+
if (options & NSLINKMODULE_OPTION_BINDNOW)
350
+
opts |= DARWIN_RTLD_NOW;
351
+
if (options & NSLINKMODULE_OPTION_PRIVATE)
352
+
opts |= DARWIN_RTLD_LOCAL;
353
+
else
354
+
opts |= DARWIN_RTLD_GLOBAL;
355
+
356
+
module = __darwin_dlopen((char*) objectFileImage, opts);
357
+
if (!module && !(options & NSLINKMODULE_OPTION_RETURN_ON_ERROR))
358
+
{
359
+
// invoke callback
360
+
if (g_linkEditErrorHandlers.linkEdit)
361
+
{
362
+
g_linkEditErrorHandlers.linkEdit(NSLinkEditOtherError, -1,
363
+
(char*) objectFileImage, __darwin_dlerror());
364
+
}
365
+
}
366
+
367
+
return NSModule(module);
368
+
}
369
+
370
+
bool NSDestroyObjectFileImage( NSObjectFileImage objectFileImage)
371
+
{
372
+
free(objectFileImage);
373
+
return true;
374
+
}
375
+
376
+
bool NSUnLinkModule( NSModule module, uint32_t options)
377
+
{
378
+
return __darwin_dlclose(module) == 0;
379
+
}
380
+
381
+
void NSLinkEditError(NSLinkEditErrors *c, int *errorNumber, const char** fileName, const char** errorString)
382
+
{
383
+
const char* error;
384
+
385
+
error = __darwin_dlerror();
386
+
if (error && *error)
387
+
{
388
+
*c = NSLinkEditOtherError;
389
+
*errorNumber = -1;
390
+
*fileName = "<TODO>";
391
+
*errorString = error;
392
+
}
393
+
else
394
+
{
395
+
*c = NSLinkEditUndefinedError;
396
+
*errorNumber = 0;
397
+
*fileName = NULL;
398
+
*errorString = NULL;
399
+
}
400
+
}
401
+
402
+
void NSInstallLinkEditErrorHandlers(const NSLinkEditErrorHandlers *handlers)
403
+
{
404
+
g_linkEditErrorHandlers = *handlers;
405
+
}
+44
src/libdyld/dl_public.h
+44
src/libdyld/dl_public.h
···
35
35
#define DARWIN_RTLD_SELF ((void*)-3)
36
36
#define DARWIN_RTLD_MAIN_ONLY ((void*)-5)
37
37
38
+
#define NSLINKMODULE_OPTION_NONE 0x0
39
+
#define NSLINKMODULE_OPTION_BINDNOW 0x1
40
+
#define NSLINKMODULE_OPTION_PRIVATE 0x2
41
+
#define NSLINKMODULE_OPTION_RETURN_ON_ERROR 0x4
42
+
#define NSLINKMODULE_OPTION_DONT_CALL_MOD_INIT_ROUTINES 0x8
43
+
#define NSLINKMODULE_OPTION_TRAILING_PHYS_NAME 0x10
44
+
45
+
typedef enum {
46
+
NSLinkEditFileAccessError,
47
+
NSLinkEditFileFormatError,
48
+
NSLinkEditMachResourceError,
49
+
NSLinkEditUnixResourceError,
50
+
NSLinkEditOtherError,
51
+
NSLinkEditWarningError,
52
+
NSLinkEditMultiplyDefinedError,
53
+
NSLinkEditUndefinedError
54
+
} NSLinkEditErrors;
55
+
56
+
typedef enum {
57
+
NSObjectFileImageFailure,
58
+
NSObjectFileImageSuccess,
59
+
NSObjectFileImageInappropriateFile,
60
+
NSObjectFileImageArch,
61
+
NSObjectFileImageFormat,
62
+
NSObjectFileImageAccess
63
+
} NSObjectFileImageReturnCode;
64
+
38
65
namespace Darling
39
66
{
40
67
class LoadableObject;
···
48
75
49
76
typedef void* NSSymbol;
50
77
typedef Darling::LoadableObject* NSModule;
78
+
typedef void* NSObjectFileImage;
51
79
52
80
extern "C"
53
81
{
···
70
98
int NSIsSymbolNameDefinedInImage(const struct mach_header *image, const char *symbolName);
71
99
const char* NSNameOfModule(NSModule m);
72
100
const char* NSLibraryNameForModule(NSModule m);
101
+
102
+
NSObjectFileImageReturnCode NSCreateObjectFileImageFromFile(const char* pathName, NSObjectFileImage * objectFileImage);
103
+
NSModule NSLinkModule( NSObjectFileImage objectFileImage, const char* moduleName, uint32_t options);
104
+
bool NSDestroyObjectFileImage( NSObjectFileImage objectFileImage);
105
+
bool NSUnLinkModule( NSModule module, uint32_t options);
106
+
void NSLinkEditError(NSLinkEditErrors *c, int *errorNumber, const char** fileName, const char** errorString);
107
+
108
+
typedef struct {
109
+
void (*undefined)(const char* symbolName);
110
+
NSModule (*multiple)(NSSymbol s, NSModule oldModule, NSModule newModule);
111
+
void (*linkEdit)(NSLinkEditErrors errorClass, int errorNumber,
112
+
const char* fileName, const char* errorString);
113
+
} NSLinkEditErrorHandlers;
114
+
115
+
void NSInstallLinkEditErrorHandlers(const NSLinkEditErrorHandlers *handlers);
116
+
73
117
// TODO: rest of these NS* calls if used anywhere
74
118
75
119
}