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path: root/newlib/libc/machine/z8k/setjmp.S
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-rw-r--r--newlib/libc/machine/z8k/setjmp.S49
1 files changed, 49 insertions, 0 deletions
diff --git a/newlib/libc/machine/z8k/setjmp.S b/newlib/libc/machine/z8k/setjmp.S
new file mode 100644
index 00000000000..6a7664112a8
--- /dev/null
+++ b/newlib/libc/machine/z8k/setjmp.S
@@ -0,0 +1,49 @@
+
+#ifdef __Z8001__
+ segm
+
+ .global _setjmp
+_setjmp:
+ ldl rr2,@rr14 ! fetch pc
+ ldl @rr6,rr2 ! save it
+ ldl rr6(4),rr10
+ ldl rr6(8),rr12 ! and the other special regs
+ ldl rr6(12),rr14
+ ldk r2,#0
+ ret t
+
+ .globl _longjmp
+
+_longjmp:
+ ld r2,r5 ! get return value
+ ldl rr4,rr6(0)
+ ldl rr10,rr6(4)
+ ldl rr12,rr6(8)
+ ldl rr14,rr6(12)
+ jp @rr4
+#else
+ unseg
+
+ .global _setjmp
+_setjmp:
+ ld r2,@r15 ! fetch pc
+ ld @r7,r2 ! save it
+ ldl r7(4),rr10
+ ldl r7(8),rr12 ! and the other special regs
+ ldl r7(12),rr14
+ ldk r2,#0
+ ret t
+
+ .globl _longjmp
+
+_longjmp:
+ ld r2,r6 ! get return value
+ ld r4,@r7
+ ldl rr10,rr7(4)
+ ldl rr12,rr7(8)
+ ldl rr14,rr7(12)
+ jp @rr4
+
+#endif
+
+