diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2020-10-21 10:37:38 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-10-27 10:44:02 +0000 |
| commit | 0b6a03c044b6b0b09ad590c0d8b1bc60f12b9612 (patch) | |
| tree | 6b1b1b97d24003ecea6139dd11e2aca54461c4a3 /linux-user/aarch64 | |
| parent | 091e3e3dbc499d84c004e1c50bc9870af37f6e99 (diff) | |
linux-user/aarch64: Reset btype for signals
The kernel sets btype for the signal handler as if for a call.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201021173749.111103-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/aarch64')
| -rw-r--r-- | linux-user/aarch64/signal.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c index d50c1ae583..b591790c22 100644 --- a/linux-user/aarch64/signal.c +++ b/linux-user/aarch64/signal.c @@ -506,10 +506,16 @@ static void target_setup_frame(int usig, struct target_sigaction *ka, + offsetof(struct target_rt_frame_record, tramp); } env->xregs[0] = usig; - env->xregs[31] = frame_addr; env->xregs[29] = frame_addr + fr_ofs; - env->pc = ka->_sa_handler; env->xregs[30] = return_addr; + env->xregs[31] = frame_addr; + env->pc = ka->_sa_handler; + + /* Invoke the signal handler as if by indirect call. */ + if (cpu_isar_feature(aa64_bti, env_archcpu(env))) { + env->btype = 2; + } + if (info) { tswap_siginfo(&frame->info, info); env->xregs[1] = frame_addr + offsetof(struct target_rt_sigframe, info); |