diff options
Diffstat (limited to 'Python/importdl.c')
| -rw-r--r-- | Python/importdl.c | 75 |
1 files changed, 71 insertions, 4 deletions
diff --git a/Python/importdl.c b/Python/importdl.c index 073e23f..3b43bbc 100644 --- a/Python/importdl.c +++ b/Python/importdl.c @@ -46,7 +46,8 @@ PERFORMANCE OF THIS SOFTWARE. symbol -- defined for: DYNAMIC_LINK -- any kind of dynamic linking - USE_RLD -- NeXT dynamic linking + USE_RLD -- NeXT dynamic linking with FVM shlibs + USE_DYLD -- NeXT dynamic linking with frameworks USE_DL -- Jack's dl for IRIX 4 or GNU dld with emulation for Jack's dl USE_SHLIB -- SunOS or IRIX 5 (SVR4?) shared libraries _AIX -- AIX style dynamic linking @@ -117,7 +118,15 @@ typedef FARPROC dl_funcptr; #endif #endif -#ifdef NeXT +#ifdef WITH_DYLD +#define DYNAMIC_LINK +#define USE_DYLD +#define SHORT_EXT ".so" +#define LONG_EXT "module.so" +#define FUNCNAME_PATTERN "_init%.200s" +#endif + +#if defined(NeXT) && !defined(DYNAMIC_LINK) #define DYNAMIC_LINK #define USE_RLD /* Define this to 1 if you want be able to load ObjC modules as well: @@ -251,16 +260,22 @@ typedef void (*dl_funcptr)(); #ifdef USE_RLD #include <mach-o/rld.h> -#define FUNCNAME_PATTERN "_init%.200s" #ifndef _DL_FUNCPTR_DEFINED typedef void (*dl_funcptr)(); #endif #endif /* USE_RLD */ +#ifdef USE_DYLD +#include <mach-o/dyld.h> +#ifndef _DL_FUNCPTR_DEFINED +typedef void (*dl_funcptr)(); +#endif +#endif /* USE_DYLD */ + extern char *Py_GetProgramName(); #ifndef FUNCNAME_PATTERN -#if defined(__hp9000s300) || (defined(__NetBSD__) || defined(__FreeBSD__)) && !defined(__ELF__) || defined(__OpenBSD__) || defined(__BORLANDC__) +#if defined(__hp9000s300) || (defined(__NetBSD__) || defined(__FreeBSD__)) && !defined(__ELF__) || defined(__OpenBSD__) || defined(__BORLANDC__) || defined(NeXT) #define FUNCNAME_PATTERN "_init%.200s" #else #define FUNCNAME_PATTERN "init%.200s" @@ -653,6 +668,58 @@ _PyImport_LoadDynamicModule(name, pathname, fp) return NULL; } #endif /* USE_RLD */ +#ifdef USE_DYLD + /* This is also NeXT-specific. However, frameworks (the new style + of shared library) and rld() can't be used in the same program; + instead, you have to use dyld, which is mostly unimplemented. */ + { + NSObjectFileImageReturnCode rc; + NSObjectFileImage image; + NSModule newModule; + NSSymbol theSym; + void *symaddr; + const char *errString; + + rc = NSCreateObjectFileImageFromFile(pathname, &image); + switch(rc) { + default: + case NSObjectFileImageFailure: + NSObjectFileImageFormat: + /* for these a message is printed on stderr by dyld */ + errString = "Can't create object file image"; + break; + case NSObjectFileImageSuccess: + errString = NULL; + break; + case NSObjectFileImageInappropriateFile: + errString = "Inappropriate file type for dynamic loading"; + break; + case NSObjectFileImageArch: + errString = "Wrong CPU type in object file"; + break; + NSObjectFileImageAccess: + errString = "Can't read object file (no access)"; + break; + } + if (errString == NULL) { + newModule = NSLinkModule(image, pathname, TRUE); + if (!newModule) + errString = "Failure linking new module"; + } + if (errString != NULL) { + PyErr_SetString(PyExc_ImportError, errString); + return NULL; + } + if (!NSIsSymbolNameDefined(funcname)) { + /* UnlinkModule() isn't implimented in current versions, but calling it does no harm */ + NSUnLinkModule(newModule, FALSE); + PyErr_Format(PyExc_ImportError, "Loaded module does not contain symbol %s", funcname); + return NULL; + } + theSym = NSLookupAndBindSymbol(funcname); + p = (dl_funcptr)NSAddressOfSymbol(theSym); + } +#endif /* USE_DYLD */ #ifdef hpux { shl_t lib; |