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authorPeter Maydell <peter.maydell@linaro.org>2022-03-09 20:01:17 +0000
committerPeter Maydell <peter.maydell@linaro.org>2022-03-09 20:01:17 +0000
commitd9ccf33f9479201e5add8db0af68ca9ca8da358b (patch)
tree75e412fb29d113b2ea9c28c85ca0e3fd9a0c496e
parent8098417d117a8fc05bf8fa456003452d10a48108 (diff)
parent62089c849d49f92823c68624720cdac8fa4b43e0 (diff)
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Merge remote-tracking branch 'remotes/lvivier-gitlab/tags/linux-user-for-7.0-pull-request' into staging
linux-user pull request 20220308 deliver SIGTRAP on POWERPC_EXCP_TRAP remove stale "not threadsafe" comments # gpg: Signature made Tue 08 Mar 2022 15:02:14 GMT # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/lvivier-gitlab/tags/linux-user-for-7.0-pull-request: tests/tcg/ppc64le: change signal_save_restore_xer to use SIGTRAP linux-user/ppc: deliver SIGTRAP on POWERPC_EXCP_TRAP linux-user: Remove stale "not threadsafe" comments Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--linux-user/ppc/cpu_loop.c3
-rw-r--r--linux-user/signal.c2
-rw-r--r--tests/tcg/ppc64le/signal_save_restore_xer.c8
3 files changed, 6 insertions, 7 deletions
diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c
index c5d8099..b468f19 100644
--- a/linux-user/ppc/cpu_loop.c
+++ b/linux-user/ppc/cpu_loop.c
@@ -181,7 +181,8 @@ void cpu_loop(CPUPPCState *env)
}
break;
case POWERPC_EXCP_TRAP:
- cpu_abort(cs, "Tried to call a TRAP\n");
+ si_signo = TARGET_SIGTRAP;
+ si_code = TARGET_TRAP_BRKPT;
break;
default:
/* Should not happen ! */
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 27a0ff3..2a3f3cc 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -999,7 +999,6 @@ int do_sigaction(int sig, const struct target_sigaction *act,
oact->sa_mask = k->sa_mask;
}
if (act) {
- /* FIXME: This is not threadsafe. */
__get_user(k->_sa_handler, &act->_sa_handler);
__get_user(k->sa_flags, &act->sa_flags);
#ifdef TARGET_ARCH_HAS_SA_RESTORER
@@ -1149,7 +1148,6 @@ void process_pending_signals(CPUArchState *cpu_env)
sigset_t *blocked_set;
while (qatomic_read(&ts->signal_pending)) {
- /* FIXME: This is not threadsafe. */
sigfillset(&set);
sigprocmask(SIG_SETMASK, &set, 0);
diff --git a/tests/tcg/ppc64le/signal_save_restore_xer.c b/tests/tcg/ppc64le/signal_save_restore_xer.c
index e4f8a07..9227f4f 100644
--- a/tests/tcg/ppc64le/signal_save_restore_xer.c
+++ b/tests/tcg/ppc64le/signal_save_restore_xer.c
@@ -11,7 +11,7 @@
uint64_t saved;
-void sigill_handler(int sig, siginfo_t *si, void *ucontext)
+void sigtrap_handler(int sig, siginfo_t *si, void *ucontext)
{
ucontext_t *uc = ucontext;
uc->uc_mcontext.regs->nip += 4;
@@ -23,14 +23,14 @@ int main(void)
{
uint64_t initial = XER_CA | XER_CA32, restored;
struct sigaction sa = {
- .sa_sigaction = sigill_handler,
+ .sa_sigaction = sigtrap_handler,
.sa_flags = SA_SIGINFO
};
- sigaction(SIGILL, &sa, NULL);
+ sigaction(SIGTRAP, &sa, NULL);
asm("mtspr 1, %1\n\t"
- ".long 0x0\n\t"
+ "trap\n\t"
"mfspr %0, 1\n\t"
: "=r" (restored)
: "r" (initial));