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-rw-r--r--linux-user/mips64/syscall.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/linux-user/mips64/syscall.h b/linux-user/mips64/syscall.h
index 668a2b95d4..e436ea57dc 100644
--- a/linux-user/mips64/syscall.h
+++ b/linux-user/mips64/syscall.h
@@ -218,4 +218,7 @@ struct target_pt_regs {
+/* Nasty hack: define a fake errno value for use by sigreturn. */
+#define TARGET_QEMU_ESIGRETURN 255
+
#define UNAME_MACHINE "mips64"