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authorxiubuzhe <xiubuzhe@sina.com>2023-10-08 20:59:00 +0800
committerxiubuzhe <xiubuzhe@sina.com>2023-10-08 20:59:00 +0800
commit1dac2263372df2b85db5d029a45721fa158a5c9d (patch)
tree0365f9c57df04178a726d7584ca6a6b955a7ce6a /lib/greenlet/platform/switch_mips_unix.h
parentb494be364bb39e1de128ada7dc576a729d99907e (diff)
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diff --git a/lib/greenlet/platform/switch_mips_unix.h b/lib/greenlet/platform/switch_mips_unix.h
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+/*
+ * this is the internal transfer function.
+ *
+ * HISTORY
+ * 20-Sep-14 Matt Madison <madison@bliss-m.org>
+ * Re-code the saving of the gp register for MIPS64.
+ * 05-Jan-08 Thiemo Seufer <ths@debian.org>
+ * Ported from ppc.
+ */
+
+#define STACK_REFPLUS 1
+
+#ifdef SLP_EVAL
+
+#define STACK_MAGIC 0
+
+#define REGS_TO_SAVE "$16", "$17", "$18", "$19", "$20", "$21", "$22", \
+ "$23", "$30"
+static int
+slp_switch(void)
+{
+ register int err;
+ register int *stackref, stsizediff;
+#ifdef __mips64
+ uint64_t gpsave;
+#endif
+ __asm__ __volatile__ ("" : : : REGS_TO_SAVE);
+#ifdef __mips64
+ __asm__ __volatile__ ("sd $28,%0" : "=m" (gpsave) : : );
+#endif
+ __asm__ ("move %0, $29" : "=r" (stackref) : );
+ {
+ SLP_SAVE_STATE(stackref, stsizediff);
+ __asm__ __volatile__ (
+#ifdef __mips64
+ "daddu $29, %0\n"
+#else
+ "addu $29, %0\n"
+#endif
+ : /* no outputs */
+ : "r" (stsizediff)
+ );
+ SLP_RESTORE_STATE();
+ }
+#ifdef __mips64
+ __asm__ __volatile__ ("ld $28,%0" : : "m" (gpsave) : );
+#endif
+ __asm__ __volatile__ ("" : : : REGS_TO_SAVE);
+ __asm__ __volatile__ ("move %0, $0" : "=r" (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.
+ */