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authorOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
committerOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
commita73a964e51247ed169d322c725a3a18859f109a3 (patch)
tree3f752d117274d444bda44e85609aeac1acf313f3 /sys/src/cmd/python/Python/dynload_next.c
parente64efe273fcb921a61bf27d33b230c4e64fcd425 (diff)
python, hg: tow outside the environment.
they've served us well, and can ride off into the sunset.
Diffstat (limited to 'sys/src/cmd/python/Python/dynload_next.c')
-rw-r--r--sys/src/cmd/python/Python/dynload_next.c114
1 files changed, 0 insertions, 114 deletions
diff --git a/sys/src/cmd/python/Python/dynload_next.c b/sys/src/cmd/python/Python/dynload_next.c
deleted file mode 100644
index 27df35696..000000000
--- a/sys/src/cmd/python/Python/dynload_next.c
+++ /dev/null
@@ -1,114 +0,0 @@
-
-/* Support for dynamic loading of extension modules on Mac OS X
-** All references to "NeXT" are for historical reasons.
-*/
-
-#include "Python.h"
-#include "importdl.h"
-
-#include <mach-o/dyld.h>
-
-const struct filedescr _PyImport_DynLoadFiletab[] = {
- {".so", "rb", C_EXTENSION},
- {"module.so", "rb", C_EXTENSION},
- {0, 0}
-};
-
-/*
-** Python modules are Mach-O MH_BUNDLE files. The best way to load these
-** is each in a private namespace, so you can load, say, a module bar and a
-** module foo.bar. If we load everything in the global namespace the two
-** initbar() symbols will conflict.
-** However, it seems some extension packages depend upon being able to access
-** each others' global symbols. There seems to be no way to eat our cake and
-** have it, so the USE_DYLD_GLOBAL_NAMESPACE define determines which behaviour
-** you get.
-*/
-
-#ifdef USE_DYLD_GLOBAL_NAMESPACE
-#define LINKOPTIONS NSLINKMODULE_OPTION_BINDNOW|NSLINKMODULE_OPTION_RETURN_ON_ERROR
-#else
-#define LINKOPTIONS NSLINKMODULE_OPTION_BINDNOW| \
- NSLINKMODULE_OPTION_RETURN_ON_ERROR|NSLINKMODULE_OPTION_PRIVATE
-#endif
-dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
- const char *pathname, FILE *fp)
-{
- dl_funcptr p = NULL;
- char funcname[258];
- NSObjectFileImageReturnCode rc;
- NSObjectFileImage image;
- NSModule newModule;
- NSSymbol theSym;
- const char *errString;
- char errBuf[512];
-
- PyOS_snprintf(funcname, sizeof(funcname), "_init%.200s", shortname);
-
-#ifdef USE_DYLD_GLOBAL_NAMESPACE
- if (NSIsSymbolNameDefined(funcname)) {
- theSym = NSLookupAndBindSymbol(funcname);
- p = (dl_funcptr)NSAddressOfSymbol(theSym);
- return p;
- }
-#endif
- rc = NSCreateObjectFileImageFromFile(pathname, &image);
- switch(rc) {
- default:
- case NSObjectFileImageFailure:
- case 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;
- case NSObjectFileImageAccess:
- errString = "Can't read object file (no access)";
- break;
- }
- if (errString == NULL) {
- newModule = NSLinkModule(image, pathname, LINKOPTIONS);
- if (newModule == NULL) {
- int errNo;
- const char *fileName, *moreErrorStr;
- NSLinkEditErrors c;
- NSLinkEditError( &c, &errNo, &fileName, &moreErrorStr );
- PyOS_snprintf(errBuf, 512, "Failure linking new module: %s: %s",
- fileName, moreErrorStr);
- errString = errBuf;
- }
- }
- if (errString != NULL) {
- PyErr_SetString(PyExc_ImportError, errString);
- return NULL;
- }
-#ifdef USE_DYLD_GLOBAL_NAMESPACE
- if (!NSIsSymbolNameDefined(funcname)) {
- /* UnlinkModule() isn't implemented in current versions, but calling it does no harm */
- /* NSUnLinkModule(newModule, FALSE); removed: causes problems for ObjC code */
- PyErr_Format(PyExc_ImportError,
- "Loaded module does not contain symbol %.200s",
- funcname);
- return NULL;
- }
- theSym = NSLookupAndBindSymbol(funcname);
-#else
- theSym = NSLookupSymbolInModule(newModule, funcname);
- if ( theSym == NULL ) {
- /* NSUnLinkModule(newModule, FALSE); removed: causes problems for ObjC code */
- PyErr_Format(PyExc_ImportError,
- "Loaded module does not contain symbol %.200s",
- funcname);
- return NULL;
- }
-#endif
- p = (dl_funcptr)NSAddressOfSymbol(theSym);
- return p;
-}