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-rw-r--r--src/thread/sh/__unmapself.s22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/thread/sh/__unmapself.s b/src/thread/sh/__unmapself.s
new file mode 100644
index 00000000..b34c3c80
--- /dev/null
+++ b/src/thread/sh/__unmapself.s
@@ -0,0 +1,22 @@
+.text
+.global __unmapself
+.type   __unmapself, @function
+__unmapself:
+	mov   #91, r3  ! SYS_munmap
+	trapa #18
+
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+
+	mov   #1, r3   ! SYS_exit
+	mov   #0, r4
+	trapa #17
+
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0