1 files changed, 48 insertions, 0 deletions
diff --git a/newlib/libc/machine/m88k/setjmp.S b/newlib/libc/machine/m88k/setjmp.S
new file mode 100644
index 0000000..24d44b6
--- /dev/null
+++ b/newlib/libc/machine/m88k/setjmp.S
@@ -0,0 +1,48 @@
+/* This is a simple version of setjmp and longjmp.
+
+   Ian Lance Taylor, Cygnus Support, 15 July 1993.  */
+
+/* We need to save the address of the return instruction, which is in
+   r1, as well as general register r14 through r25.  If we are
+   compiling for the 88110 with the extended register file, we also
+   need to save registers x22 through x29.  The jmp_buf should be 52
+   bytes long in the one case, 84 bytes in the other.  */
+
+/* int setjmp (jmp_buf);  */
+	globl	_setjmp
+_setjmp:
+	st	r1,r2,0
+	st.d	r14,r2,4
+	st.d	r16,r2,12
+	st.d	r18,r2,20
+	st.d	r20,r2,28
+	st.d	r22,r2,36
+	st.d	r24,r2,44
+#ifdef __m88110__
+	/* These instructions are just a guess, and gas doesn't
+	   support them anyhow.  */
+	st.d	x22,r2,52
+	st.d	x24,r2,60
+	st.d	x26,r2,68
+	st.d	x28,r2,76
+#endif
+	jmp	r1
+
+	global	_longjmp
+_longjmp:
+	ld	r1,r2,0
+	ld.d	r14,r2,4
+	ld.d	r16,r2,12
+	ld.d	r18,r2,20
+	ld.d	r20,r2,28
+	ld.d	r22,r2,36
+	ld.d	r24,r2,44
+#ifdef __m88110__
+	/* These instructions are just a guess, and gas doesn't
+	   support them anyhow.  */
+	ld.d	x22,r2,52
+	ld.d	x24,r2,60
+	ld.d	x26,r2,68
+	ld.d	x28,r2,76
+#endif
+	jmp	r1