tests/tcg/multiarch/gdbstub/registers.py expects to find this symbol to
compare state of registers before and after execution. Define it
explicitly.

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Tested-by: Alex Bennée <[email protected]>
Signed-off-by: Pierrick Bouvier <[email protected]>
---
 tests/tcg/s390x/head64.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/tcg/s390x/head64.S b/tests/tcg/s390x/head64.S
index 4fe288388ab..0523fcacb33 100644
--- a/tests/tcg/s390x/head64.S
+++ b/tests/tcg/s390x/head64.S
@@ -14,6 +14,8 @@ main_pre:
     aghi %r15,-160                     /* reserve stack for C code */
     brasl %r14,sclp_setup
     brasl %r14,main
+.global _exit
+_exit:
     larl %r1,success_psw               /* check main() return code */
     ltgr %r2,%r2
     je 0f
-- 
2.47.3


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