diff options
| -rw-r--r-- | linux-user/alpha/target_cpu.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/linux-user/alpha/target_cpu.h b/linux-user/alpha/target_cpu.h index dd25e18f47..ad408ab5cc 100644 --- a/linux-user/alpha/target_cpu.h +++ b/linux-user/alpha/target_cpu.h @@ -27,10 +27,19 @@ static inline void cpu_clone_regs_child(CPUAlphaState *env, target_ulong newsp, } env->ir[IR_V0] = 0; env->ir[IR_A3] = 0; + env->ir[IR_A4] = 1; /* OSF/1 secondary return: child */ } static inline void cpu_clone_regs_parent(CPUAlphaState *env, unsigned flags) { + /* + * OSF/1 secondary return: parent + * Note that the kernel does not do this if SETTLS, because the + * settls argument register is still live after copy_thread. + */ + if (!(flags & CLONE_SETTLS)) { + env->ir[IR_A4] = 0; + } } static inline void cpu_set_tls(CPUAlphaState *env, target_ulong newtls) |