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Unified Diff: fusl/src/thread/x86_64/__set_thread_area.s

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/thread/x86_64/__set_thread_area.s
diff --git a/fusl/src/thread/x86_64/__set_thread_area.s b/fusl/src/thread/x86_64/__set_thread_area.s
new file mode 100644
index 0000000000000000000000000000000000000000..f3ff4f61bf321fe2e8a2cde92e02a57b01847ed4
--- /dev/null
+++ b/fusl/src/thread/x86_64/__set_thread_area.s
@@ -0,0 +1,10 @@
+/* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */
+.text
+.global __set_thread_area
+.type __set_thread_area,@function
+__set_thread_area:
+ mov %rdi,%rsi /* shift for syscall */
+ movl $0x1002,%edi /* SET_FS register */
+ movl $158,%eax /* set fs segment to */
+ syscall /* arch_prctl(SET_FS, arg)*/
+ ret
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