ntdll: Set platform register x18 to TEB on ARM64.

aa139d3e · André Hentschel · Alexandre Julliard · 97536c16 · aa139d3e
Commit aa139d3e authored Jun 16, 2015 by André Hentschel Committed by Alexandre Julliard Jun 17, 2015
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signal_arm64.c dlls/ntdll/signal_arm64.c +4 -0

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--- a/dlls/ntdll/signal_arm64.c
+++ b/dlls/ntdll/signal_arm64.c
@@ -799,6 +799,10 @@ void signal_init_thread( TEB *teb )
        pthread_key_create( &teb_key, NULL );
        init_done = TRUE;
    }
+
+    /* Win64/ARM applications expect the TEB pointer to be in the x18 platform register. */
+    __asm__ __volatile__( "mov x18, %0" : : "r" (teb) );
+
    pthread_setspecific( teb_key, teb );
 }