From f063fb64a24be163903ec0560eaba9af05cab25c Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Fri, 19 Jun 2020 04:24:18 +0200
Subject: Support MIPS64.

* jmp.S (jmp_save, jmp_restore): Defined for MIPS64.

* unwind.h (struct_jmp): Provide same definition for 32 and 64
by #ifdef-ing on just __mips__.
---
 jmp.S    | 35 +++++++++++++++++++++++++++++++++++
 unwind.h |  2 +-
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/jmp.S b/jmp.S
index 6dfc30ae..671a793b 100644
--- a/jmp.S
+++ b/jmp.S
@@ -365,6 +365,41 @@ DEFUN(jmp_restore)
   jr $ra
   move $2, $5
 
+#elif _MIPS_SZPTR == 64
+
+  .set noreorder
+
+DEFUN(jmp_save)
+  sd $16, 0($4)
+  sd $17, 8($4)
+  sd $18, 16($4)
+  sd $19, 24($4)
+  sd $20, 32($4)
+  sd $21, 40($4)
+  sd $22, 48($4)
+  sd $23, 56($4)
+  sd $28, 64($4)
+  sd $29, 72($4)
+  sd $30, 80($4)
+  sd $ra, 88($4)
+  jr $ra
+  li $2, 0
+
+DEFUN(jmp_restore)
+  ld $16, 0($4)
+  ld $17, 8($4)
+  ld $18, 16($4)
+  ld $19, 24($4)
+  ld $20, 32($4)
+  ld $21, 40($4)
+  ld $22, 48($4)
+  ld $23, 56($4)
+  ld $28, 64($4)
+  ld $29, 72($4)
+  ld $ra, 80($4)
+  ld $30, 88($4)
+  jr $ra
+  move $2, $5
 #else
 #error port me!
 #endif
diff --git a/unwind.h b/unwind.h
index a9f8d60c..074d6169 100644
--- a/unwind.h
+++ b/unwind.h
@@ -141,7 +141,7 @@ struct jmp {
    x19-x28, x29(fp), x30(lr), (x31)sp, d8-d15.  Other registers are not
    saved.  */
 
-#elif _MIPS_SZPTR == 32
+#elif __mips__
 
 struct jmp {
   unsigned long s0; /* $16 */
-- 
cgit v1.2.3