two version of R2R are hereHEADmaster

1 files changed, 36 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/greenlet/platform/switch_sh_gcc.h b/.venv/lib/python3.12/site-packages/greenlet/platform/switch_sh_gcc.h
new file mode 100644
index 00000000..5ecc3b39
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/greenlet/platform/switch_sh_gcc.h
@@ -0,0 +1,36 @@
+#define STACK_REFPLUS 1
+
+#ifdef SLP_EVAL
+#define STACK_MAGIC 0
+#define REGS_TO_SAVE "r8", "r9", "r10", "r11", "r13", \
+                     "fr12", "fr13", "fr14", "fr15"
+
+// r12 Global context pointer, GP
+// r14 Frame pointer, FP
+// r15 Stack pointer, SP
+
+static int
+slp_switch(void)
+{
+    int err;
+    void* fp;
+    int *stackref, stsizediff;
+    __asm__ volatile("" : : : REGS_TO_SAVE);
+    __asm__ volatile("mov.l r14, %0" : "=m"(fp) : :);
+    __asm__("mov r15, %0" : "=r"(stackref));
+    {
+        SLP_SAVE_STATE(stackref, stsizediff);
+        __asm__ volatile(
+            "add %0, r15\n"
+            "add %0, r14\n"
+            : /* no outputs */
+            : "r"(stsizediff));
+        SLP_RESTORE_STATE();
+        __asm__ volatile("mov r0, %0" : "=r"(err) : :);
+    }
+    __asm__ volatile("mov.l %0, r14" : : "m"(fp) :);
+    __asm__ volatile("" : : : REGS_TO_SAVE);
+    return err;
+}
+
+#endif