diff options
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index b158bbc296..5027a6d994 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -2499,8 +2499,15 @@ void cpu_loop (CPUState *env) env->ir[IR_A0], env->ir[IR_A1], env->ir[IR_A2], env->ir[IR_A3], env->ir[IR_A4], env->ir[IR_A5]); - if (trapnr != TARGET_NR_sigreturn - && trapnr != TARGET_NR_rt_sigreturn) { + if (trapnr == TARGET_NR_sigreturn + || trapnr == TARGET_NR_rt_sigreturn) { + break; + } + /* Syscall writes 0 to V0 to bypass error check, similar + to how this is handled internal to Linux kernel. */ + if (env->ir[IR_V0] == 0) { + env->ir[IR_V0] = sysret; + } else { env->ir[IR_V0] = (sysret < 0 ? -sysret : sysret); env->ir[IR_A3] = (sysret < 0); } |