| 1 |
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| 2 | /* Support for dynamic loading of extension modules */
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| 3 |
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| 4 | #include "dl.h"
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| 5 | #include <errno.h>
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| 6 |
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| 7 | #include "Python.h"
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| 8 | #include "importdl.h"
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| 9 |
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| 10 | #if defined(__hp9000s300)
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| 11 | #define FUNCNAME_PATTERN "_init%.200s"
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| 12 | #else
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| 13 | #define FUNCNAME_PATTERN "init%.200s"
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| 14 | #endif
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| 15 |
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| 16 | const struct filedescr _PyImport_DynLoadFiletab[] = {
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| 17 | {SHLIB_EXT, "rb", C_EXTENSION},
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| 18 | {"module"SHLIB_EXT, "rb", C_EXTENSION},
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| 19 | {0, 0}
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| 20 | };
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| 21 |
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| 22 | dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
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| 23 | const char *pathname, FILE *fp)
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| 24 | {
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| 25 | dl_funcptr p;
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| 26 | shl_t lib;
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| 27 | int flags;
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| 28 | char funcname[258];
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| 29 |
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| 30 | flags = BIND_FIRST | BIND_DEFERRED;
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| 31 | if (Py_VerboseFlag) {
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| 32 | flags = BIND_FIRST | BIND_IMMEDIATE |
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| 33 | BIND_NONFATAL | BIND_VERBOSE;
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| 34 | printf("shl_load %s\n",pathname);
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| 35 | }
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| 36 | lib = shl_load(pathname, flags, 0);
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| 37 | /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
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| 38 | if (lib == NULL) {
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| 39 | char buf[256];
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| 40 | if (Py_VerboseFlag)
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| 41 | perror(pathname);
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| 42 | PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",
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| 43 | pathname);
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| 44 | PyErr_SetString(PyExc_ImportError, buf);
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| 45 | return NULL;
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| 46 | }
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| 47 | PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN, shortname);
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| 48 | if (Py_VerboseFlag)
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| 49 | printf("shl_findsym %s\n", funcname);
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| 50 | if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) {
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| 51 | shl_unload(lib);
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| 52 | p = NULL;
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| 53 | }
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| 54 | if (p == NULL && Py_VerboseFlag)
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| 55 | perror(funcname);
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| 56 |
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| 57 | return p;
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| 58 | }
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