bsd-user: Implement struct target_ipc_perm

[mirror_qemu.git] / bsd-user / signal.c

diff --git a/bsd-user/signal.c b/bsd-user/signal.c
index ad22ba9d90dd520e5f34e6006a381e57dc034253..ea82241b70be40cf4d1126f1c32a9df7767721e6 100644 (file)
--- a/bsd-user/signal.c
+++ b/bsd-user/signal.c
@@ -19,7 +19,9 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/log.h"
 #include "qemu.h"
+#include "gdbstub/user.h"
 #include "signal-common.h"
 #include "trace.h"
 #include "hw/core/tcg-cpu-ops.h"
@@ -42,7 +44,7 @@ static inline int sas_ss_flags(TaskState *ts, unsigned long sp)
 }
 
 /*
- * The BSD ABIs use the same singal numbers across all the CPU architectures, so
+ * The BSD ABIs use the same signal numbers across all the CPU architectures, so
  * (unlike Linux) these functions are just the identity mapping. This might not
  * be true for XyzBSD running on AbcBSD, which doesn't currently work.
  */
@@ -222,6 +224,7 @@ static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo,
          * We have to go based on the signal number now to figure out
          * what's valid.
          */
+        si_type = QEMU_SI_NOINFO;
         if (has_trapno(sig)) {
             tinfo->_reason._fault._trapno = info->_reason._fault._trapno;
             si_type = QEMU_SI_FAULT;
@@ -238,14 +241,16 @@ static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo,
 #endif
         /*
          * Unsure that this can actually be generated, and our support for
-         * capsicum is somewhere between weak and non-existant, but if we get
+         * capsicum is somewhere between weak and non-existent, but if we get
          * one, then we know what to save.
          */
+#ifdef QEMU_SI_CAPSICUM
         if (sig == TARGET_SIGTRAP) {
             tinfo->_reason._capsicum._syscall =
                 info->_reason._capsicum._syscall;
             si_type = QEMU_SI_CAPSICUM;
         }
+#endif
         break;
     }
     tinfo->si_code = deposit32(si_code, 24, 8, si_type);
@@ -295,15 +300,23 @@ static void tswap_siginfo(target_siginfo_t *tinfo, const target_siginfo_t *info)
         /* Note: Not generated on FreeBSD */
         __put_user(info->_reason._poll._band, &tinfo->_reason._poll._band);
         break;
+#ifdef QEMU_SI_CAPSICUM
     case QEMU_SI_CAPSICUM:
         __put_user(info->_reason._capsicum._syscall,
                    &tinfo->_reason._capsicum._syscall);
         break;
+#endif
     default:
         g_assert_not_reached();
     }
 }
 
+void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info)
+{
+    host_to_target_siginfo_noswap(tinfo, info);
+    tswap_siginfo(tinfo, tinfo);
+}
+
 int block_signals(void)
 {
     TaskState *ts = (TaskState *)thread_cpu->opaque;
@@ -312,7 +325,7 @@ int block_signals(void)
     /*
      * It's OK to block everything including SIGSEGV, because we won't run any
      * further guest code before unblocking signals in
-     * process_pending_signals(). We depend on the FreeBSD behaivor here where
+     * process_pending_signals(). We depend on the FreeBSD behavior here where
      * this will only affect this thread's signal mask. We don't use
      * pthread_sigmask which might seem more correct because that routine also
      * does odd things with SIGCANCEL to implement pthread_cancel().
@@ -341,7 +354,8 @@ static int core_dump_signal(int sig)
 }
 
 /* Abort execution with signal. */
-static void QEMU_NORETURN dump_core_and_abort(int target_sig)
+static G_NORETURN
+void dump_core_and_abort(int target_sig)
 {
     CPUArchState *env = thread_cpu->env_ptr;
     CPUState *cpu = env_cpu(env);
@@ -779,10 +793,7 @@ static int reset_signal_mask(target_ucontext_t *ucontext)
     TaskState *ts = (TaskState *)thread_cpu->opaque;
 
     for (i = 0; i < TARGET_NSIG_WORDS; i++) {
-        if (__get_user(target_set.__bits[i],
-                    &ucontext->uc_sigmask.__bits[i])) {
-            return -TARGET_EFAULT;
-        }
+        __get_user(target_set.__bits[i], &ucontext->uc_sigmask.__bits[i]);
     }
     target_to_host_sigset_internal(&blocked, &target_set);
     ts->signal_mask = blocked;