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authormidipix <writeonce@midipix.org>2019-02-25 01:27:37 -0500
committermidipix <writeonce@midipix.org>2019-02-25 01:27:37 -0500
commitac584a4c61259908bf5c047691137f51f71faa95 (patch)
tree9cc0431026e44cac57f7d412ab8838d8eb201cc4
parent8e6e57c1b3c8efd162eb80f36bbd83a16a771c8f (diff)
downloadsbpython3-ac584a4c61259908bf5c047691137f51f71faa95.tar.bz2
sbpython3-ac584a4c61259908bf5c047691137f51f71faa95.tar.xz
project: static linking: dlfake: initial commit.
-rw-r--r--project/extras.mk11
-rw-r--r--project/headers.mk2
-rw-r--r--wrappers/dlfcn/dlfake.c42
-rw-r--r--wrappers/dlfcn/dlfake.h30
4 files changed, 85 insertions, 0 deletions
diff --git a/project/extras.mk b/project/extras.mk
index 12fe21f..978dc74 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -23,6 +23,13 @@ LDFLAGS_CONFIG += -Wl,-rpath -Wl,$(LIBDIR)
ifeq ($(ALL_STATIC),yes)
CFLAGS_STATIC += -DPY_ALL_STATIC
+ CFLAGS_STATIC += -I$(PROJECT_DIR)/wrappers/dlfcn
+ CFLAGS_STATIC += --include=dlfake.h
+
+ DLFAKE_SRCS += $(PROJECT_DIR)/wrappers/dlfcn/dlfake.c
+ DLFAKE_OBJS += core/Objects/dlfake.o
+ STATIC_OBJS += $(DLFAKE_OBJS)
+
LDFLAGS_STATIC += $(PYEXT_STATIC)
LDFLAGS_STATIC += $(LDFLAGS_PYEXT_STATIC)
@@ -38,6 +45,10 @@ else
CFLAGS_CONFIG += -DHAVE_DYNAMIC_LOADING -DSOABI=\"$(PYTHON_SOABI)\"
endif
+# dlfake
+core/Objects/dlfake.o: $(DLFAKE_SRCS) $(ALL_HEADERS) host.tag tree.tag config.tag
+ $(CC) -c -o $@ $< $(CFLAGS_STATIC)
+
# extension objects
pyext/obj/%.lo: $(SOURCE_DIR)/Modules/%.c $(ALL_HEADERS) host.tag tree.tag config.tag
$(CC) -c -o $@ $< $(CFLAGS_SHARED)
diff --git a/project/headers.mk b/project/headers.mk
index a275e50..7078ecf 100644
--- a/project/headers.mk
+++ b/project/headers.mk
@@ -1,3 +1,5 @@
ifneq ($(PYTHON_MAJOR),)
include $(PROJECT_DIR)/project/variants/$(PYTHON_MAJOR).$(PYTHON_MINOR).$(PYTHON_MICRO)/headers.mk
endif
+
+INTERNAL_HEADERS += $(PROJECT_DIR)/wrappers/dlfcn/dlfake.h
diff --git a/wrappers/dlfcn/dlfake.c b/wrappers/dlfcn/dlfake.c
new file mode 100644
index 0000000..d347bf0
--- /dev/null
+++ b/wrappers/dlfcn/dlfake.c
@@ -0,0 +1,42 @@
+#include "dlfake.h"
+#include "linkage/inittab.h"
+
+extern struct _inittab _PyImport_Inittab[];
+
+void * dlfake_dlopen(const char * name, int mode)
+{
+ struct _inittab * pyext;
+
+ if (!name)
+ return _PyImport_Inittab;
+
+ for (pyext=_PyImport_Inittab; pyext->name; pyext++)
+ if (!strcmp(name,pyext->name))
+ return _PyImport_Inittab;
+
+ return 0;
+}
+
+int dlfake_dlclose(void * handle)
+{
+ return -1;
+}
+
+void * dlfake_dlsym(void * handle, const char * sym)
+{
+ return 0;
+}
+
+static const char dlfake_errstr[] =
+ "dlfake_dlerror(): "
+ "not implemented";
+
+char * dlfake_dlerror(void)
+{
+ return (char *)dlfake_errstr;
+}
+
+int dlfake_dladdr(const void * addr, void * info)
+{
+ return 0;
+}
diff --git a/wrappers/dlfcn/dlfake.h b/wrappers/dlfcn/dlfake.h
new file mode 100644
index 0000000..87ccab7
--- /dev/null
+++ b/wrappers/dlfcn/dlfake.h
@@ -0,0 +1,30 @@
+#ifndef _CTYPES_DLFCN_H_
+#define _CTYPES_DLFCN_H_
+
+#ifndef PY_ALL_STATIC
+#error something went wrong
+#endif
+
+#include <dlfcn.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void * dlfake_dlopen(const char *, int);
+int dlfake_dlclose(void *);
+void * dlfake_dlsym(void *, const char *);
+char * dlfake_dlerror(void);
+int dlfake_dladdr(const void *, void *);
+
+#define ctypes_dlopen dlfake_dlopen
+#define ctypes_dlclose dlfake_dlclose
+#define ctypes_dlsym dlfake_dlsym
+#define ctypes_dladdr dlfake_dladdr
+#define ctypes_dlerror dlfake_dlerror
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif