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aef1076a · Kirill Smelkov · aef1076a · aef1076a · aef1076a · aef1076a
Commit aef1076a authored Nov 07, 2018 by Kirill Smelkov
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Makefile Makefile +7 -0

dso.h dso.h +12 -0

libk.c libk.c +6 -0

libk.h libk.h +14 -0

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--- a/Makefile
+++ b/Makefile
+CC	:= emcc -s WASM=1
+SO	:= wasm
+
+all	: libk_so.$(SO)
+
+libk_so.$(SO)	:
+	$(CC) -s SIDE_MODULE=1 -DLIBK_COMPILE -o $@ libk.c
--- a/dso.h
+++ b/dso.h
+#ifndef	_DSO_H
+#define	_DSO_H
+
+// DSO_EXPORT marks a symbol as exported from currently-compiled DSO.
+// XXX + attr(used) ? (emscripten does this)
+#define DSO_EXPORT __attribute__((visibility("default")))
+
+// XXX stub (__declspec(dllimport) on mingw)
+#define	DSO_IMPORT
+
+
+#endif
--- a/libk.c
+++ b/libk.c
+#include "libk.h"
+
+LIBKAPI
+int kfunc1() {
+	return 12;
+}
--- a/libk.h
+++ b/libk.h
+#ifndef	_LIBK_H
+#define	_LIBK_H
+
+#include "dso.h"
+
+#ifdef LIBK_COMPILE
+# define LIBKAPI	DSO_EXPORT
+#else
+# define LIBKAPI	DSO_IMPORT
+#endif
+
+LIBKAPI int kfunc1();
+
+#endif