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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-04-28 12:34:04 -0700 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2021-05-15 21:44:38 +0200 |
| commit | 6c18757dc55f0a47d926cec1aaab8c349a65a0c6 (patch) | |
| tree | 56ad1eb3f9fc2f8342acbb6e4e4cdae507b35b16 /linux-user/s390x/signal.c | |
| parent | 7e5355578eef26ece8a783f336b2c06a1f5a083a (diff) | |
| download | focaccia-qemu-6c18757dc55f0a47d926cec1aaab8c349a65a0c6.tar.gz focaccia-qemu-6c18757dc55f0a47d926cec1aaab8c349a65a0c6.zip | |
linux-user/s390x: Add stub sigframe argument for last_break
In order to properly present these arguments, we need to add code to target/s390x to record LowCore parameters for user-only. But in the meantime, at least zero the missing last_break argument, and fixup the comment style in the vicinity. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: David Hildenbrand <david@redhat.com> Message-Id: <20210428193408.233706-12-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to '')
| -rw-r--r-- | linux-user/s390x/signal.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c index 17f617c655..bc41b01c5d 100644 --- a/linux-user/s390x/signal.c +++ b/linux-user/s390x/signal.c @@ -167,13 +167,16 @@ void setup_frame(int sig, struct target_sigaction *ka, | (env->psw.mask & ~PSW_MASK_ASC); env->psw.addr = ka->_sa_handler; - env->regs[2] = sig; //map_signal(sig); + env->regs[2] = sig; env->regs[3] = frame_addr += offsetof(typeof(*frame), sc); - /* We forgot to include these in the sigcontext. - To avoid breaking binary compatibility, they are passed as args. */ - env->regs[4] = 0; // FIXME: no clue... current->thread.trap_no; - env->regs[5] = 0; // FIXME: no clue... current->thread.prot_addr; + /* + * We forgot to include these in the sigcontext. + * To avoid breaking binary compatibility, they are passed as args. + */ + env->regs[4] = 0; /* FIXME: regs->int_code & 127 */ + env->regs[5] = 0; /* FIXME: regs->int_parm_long */ + env->regs[6] = 0; /* FIXME: current->thread.last_break */ /* Place signal number on stack to allow backtrace from handler. */ __put_user(env->regs[2], &frame->signo); @@ -223,9 +226,10 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, | (env->psw.mask & ~PSW_MASK_ASC); env->psw.addr = ka->_sa_handler; - env->regs[2] = sig; //map_signal(sig); + env->regs[2] = sig; env->regs[3] = frame_addr + offsetof(typeof(*frame), info); env->regs[4] = frame_addr + offsetof(typeof(*frame), uc); + env->regs[5] = 0; /* FIXME: current->thread.last_break */ } static void restore_sigregs(CPUS390XState *env, target_sigregs *sc) |