[py-svn] r11403 - py/dist/py/c-extension/greenlet

[arigo at codespeak.net]

Author: arigo
Date: Sun Apr 24 14:12:53 2005
New Revision: 11403

Added:
   py/dist/py/c-extension/greenlet/switch_amd64_unix.h
      - copied, changed from r11401, py/dist/py/c-extension/greenlet/switch_x86_unix.h
Modified:
   py/dist/py/c-extension/greenlet/slp_platformselect.h
Log:
X86-64 support code.  This code has been posted as a patch for Stackless
by Hye-Shik Chang on the stackless mailing list.



Modified: py/dist/py/c-extension/greenlet/slp_platformselect.h
==============================================================================
--- py/dist/py/c-extension/greenlet/slp_platformselect.h	(original)
+++ py/dist/py/c-extension/greenlet/slp_platformselect.h	Sun Apr 24 14:12:53 2005
@@ -6,6 +6,8 @@
 #include "switch_x86_msvc.h" /* MS Visual Studio on X86 */
 #elif defined(__GNUC__) && defined(__i386__)
 #include "switch_x86_unix.h" /* gcc on X86 */
+#elif defined(__GNUC__) && defined(__amd64__)
+#include "switch_amd64_unix.h" /* gcc on amd64 */
 #elif defined(__GNUC__) && defined(__PPC__) && defined(__linux__)
 #include "switch_ppc_unix.h" /* gcc on PowerPC */
 #elif defined(__GNUC__) && defined(__ppc__) && defined(__APPLE__)

Copied: py/dist/py/c-extension/greenlet/switch_amd64_unix.h (from r11401, py/dist/py/c-extension/greenlet/switch_x86_unix.h)
==============================================================================
--- py/dist/py/c-extension/greenlet/switch_x86_unix.h	(original)
+++ py/dist/py/c-extension/greenlet/switch_amd64_unix.h	Sun Apr 24 14:12:53 2005
@@ -2,6 +2,8 @@
  * this is the internal transfer function.
  *
  * HISTORY
+ * 01-Apr-04  Hye-Shik Chang    <perky at FreeBSD.org>
+ *      Ported from i386 to amd64.
  * 24-Nov-02  Christian Tismer  <tismer at tismer.com>
  *      needed to add another magic constant to insure
  *      that f in slp_eval_frame(PyFrameObject *f)
@@ -27,24 +29,27 @@
 /* the above works fine with gcc 2.96, but 2.95.3 wants this */
 #define STACK_MAGIC 0
 
+#define REGS_TO_SAVE "rdx", "rbx", "r12", "r13", "r14", "r15"
+
+
 static int
 slp_switch(void)
 {
-    register int *stackref, stsizediff;
-    __asm__ volatile ("" : : : "ebx", "esi", "edi");
-    __asm__ ("movl %%esp, %0" : "=g" (stackref));
+    register long *stackref, stsizediff;
+    __asm__ volatile ("" : : : REGS_TO_SAVE);
+    __asm__ ("movq %%rsp, %0" : "=g" (stackref));
     {
         SLP_SAVE_STATE(stackref, stsizediff);
         __asm__ volatile (
-            "addl %0, %%esp\n"
-            "addl %0, %%ebp\n"
+            "addq %0, %%rsp\n"
+            "addq %0, %%rbp\n"
             :
             : "r" (stsizediff)
             );
         SLP_RESTORE_STATE();
         return 0;
     }
-    __asm__ volatile ("" : : : "ebx", "esi", "edi");
+    __asm__ volatile ("" : : : REGS_TO_SAVE);
 }
 
 #endif