first add files

1 files changed, 63 insertions, 0 deletions

diff --git a/lib/greenlet/platform/switch_x32_unix.h b/lib/greenlet/platform/switch_x32_unix.h
new file mode 100644
index 0000000..cb14ec1
--- /dev/null
+++ b/lib/greenlet/platform/switch_x32_unix.h
@@ -0,0 +1,63 @@
+/*
+ * this is the internal transfer function.
+ *
+ * HISTORY
+ * 17-Aug-12  Fantix King <fantix.king@gmail.com>
+ *      Ported from amd64.
+ */
+
+#define STACK_REFPLUS 1
+
+#ifdef SLP_EVAL
+
+#define STACK_MAGIC 0
+
+#define REGS_TO_SAVE "r12", "r13", "r14", "r15"
+
+
+static int
+slp_switch(void)
+{
+    void* ebp;
+    void* ebx;
+    unsigned int csr;
+    unsigned short cw;
+    register int err;
+    register int *stackref, stsizediff;
+    __asm__ volatile ("" : : : REGS_TO_SAVE);
+    __asm__ volatile ("fstcw %0" : "=m" (cw));
+    __asm__ volatile ("stmxcsr %0" : "=m" (csr));
+    __asm__ volatile ("movl %%ebp, %0" : "=m" (ebp));
+    __asm__ volatile ("movl %%ebx, %0" : "=m" (ebx));
+    __asm__ ("movl %%esp, %0" : "=g" (stackref));
+    {
+        SLP_SAVE_STATE(stackref, stsizediff);
+        __asm__ volatile (
+            "addl %0, %%esp\n"
+            "addl %0, %%ebp\n"
+            :
+            : "r" (stsizediff)
+            );
+        SLP_RESTORE_STATE();
+    }
+    __asm__ volatile ("movl %0, %%ebx" : : "m" (ebx));
+    __asm__ volatile ("movl %0, %%ebp" : : "m" (ebp));
+    __asm__ volatile ("ldmxcsr %0" : : "m" (csr));
+    __asm__ volatile ("fldcw %0" : : "m" (cw));
+    __asm__ volatile ("" : : : REGS_TO_SAVE);
+    __asm__ volatile ("xorl %%eax, %%eax" : "=a" (err));
+    return err;
+}
+
+#endif
+
+/*
+ * further self-processing support
+ */
+
+/*
+ * if you want to add self-inspection tools, place them
+ * here. See the x86_msvc for the necessary defines.
+ * These features are highly experimental und not
+ * essential yet.
+ */