Merge pull request #1949 from lewurm/fixtype
[mono.git] / mono / utils / mach-support-arm.c
index eb1e009bfc20c8648ef993432ee01ef1f7f25cda..d535fbc18ddce3689a7701acc1da0cd4eeca0492 100644 (file)
@@ -46,111 +46,86 @@ void *
 mono_mach_arch_get_ip (thread_state_t state)
 {
        /* Can't use unified_thread_state on !ARM64 since this has to compile on armv6 too */
-#ifdef TARGET_ARM64
-       arm_unified_thread_state_t *arch_state = (arm_unified_thread_state_t *) state;
-
-       return (void *) arch_state->ts_64.__pc;
-#else
        arm_thread_state_t *arch_state = (arm_thread_state_t *) state;
 
        return (void *) arch_state->__pc;
-#endif
 }
 
 void *
 mono_mach_arch_get_sp (thread_state_t state)
 {
-#ifdef TARGET_ARM64
-       arm_unified_thread_state_t *arch_state = (arm_unified_thread_state_t *) state;
-
-       return (void *) arch_state->ts_64.__sp;
-#else
        arm_thread_state_t *arch_state = (arm_thread_state_t *) state;
 
        return (void *) arch_state->__sp;
-#endif
 }
 
 int
 mono_mach_arch_get_mcontext_size ()
 {
-#ifdef TARGET_ARM64
-       return sizeof (struct __darwin_mcontext64);
-#else
        return sizeof (struct __darwin_mcontext);
-#endif
 }
 
 void
 mono_mach_arch_thread_state_to_mcontext (thread_state_t state, void *context)
 {
-#ifdef TARGET_ARM64
-       arm_unified_thread_state_t *arch_state = (arm_unified_thread_state_t *) state;
-       struct __darwin_mcontext64 *ctx = (struct __darwin_mcontext64 *) context;
-
-       ctx->__ss = arch_state->ts_64;
-#else
        arm_thread_state_t *arch_state = (arm_thread_state_t *) state;
        struct __darwin_mcontext *ctx = (struct __darwin_mcontext *) context;
 
        ctx->__ss = *arch_state;
-#endif
 }
 
 void
 mono_mach_arch_mcontext_to_thread_state (void *context, thread_state_t state)
 {
-#ifdef TARGET_ARM64
-       arm_unified_thread_state_t *arch_state = (arm_unified_thread_state_t *) state;
-       struct __darwin_mcontext64 *ctx = (struct __darwin_mcontext64 *) context;
-
-       arch_state->ts_64 = ctx->__ss;
-#else
        arm_thread_state_t *arch_state = (arm_thread_state_t *) state;
        struct __darwin_mcontext *ctx = (struct __darwin_mcontext *) context;
 
        *arch_state = ctx->__ss;
-#endif
+}
+
+void
+mono_mach_arch_thread_state_to_mono_context (thread_state_t state, MonoContext *context)
+{
+       int i;
+       arm_thread_state_t *arch_state = (arm_thread_state_t *) state;
+       for (i = 0; i < 13; ++i)
+               context->regs [i] = arch_state->__r [i];
+       context->regs [ARMREG_R13] = arch_state->__sp;
+       context->regs [ARMREG_R14] = arch_state->__lr;
+       context->regs [ARMREG_R15] = arch_state->__pc;
+       context->pc = arch_state->__pc;
+       context->cpsr = arch_state->__cpsr;
 }
 
 int
 mono_mach_arch_get_thread_state_size ()
 {
-#ifdef TARGET_ARM64
-       return sizeof (arm_unified_thread_state_t);
-#else
        return sizeof (arm_thread_state_t);
-#endif
 }
 
 kern_return_t
 mono_mach_arch_get_thread_state (thread_port_t thread, thread_state_t state, mach_msg_type_number_t *count)
 {
-#ifdef TARGET_ARM64
-       arm_unified_thread_state_t *arch_state = (arm_unified_thread_state_t *) state;
-       kern_return_t ret;
-
-       *count = ARM_UNIFIED_THREAD_STATE_COUNT;
-
-       ret = thread_get_state (thread, ARM_UNIFIED_THREAD_STATE, (thread_state_t) arch_state, count);
-#else
+#if defined(HOST_WATCHOS)
+       g_error ("thread_get_state() is not supported by this platform");
+#else  
        arm_thread_state_t *arch_state = (arm_thread_state_t *) state;
        kern_return_t ret;
 
        *count = ARM_THREAD_STATE_COUNT;
 
        ret = thread_get_state (thread, ARM_THREAD_STATE, (thread_state_t) arch_state, count);
-#endif
        return ret;
+#endif
 }
 
 kern_return_t
 mono_mach_arch_set_thread_state (thread_port_t thread, thread_state_t state, mach_msg_type_number_t count)
 {
-#ifdef TARGET_ARM64
-       return thread_set_state (thread, ARM_UNIFIED_THREAD_STATE_COUNT, state, count);
+#if defined(HOST_WATCHOS)
+       g_error ("thread_set_state() is not supported by this platform");
 #else
-       return thread_set_state (thread, ARM_THREAD_STATE_COUNT, state, count);
+       return thread_set_state (thread, ARM_THREAD_STATE, state, count);
 #endif
 }
 
@@ -163,6 +138,7 @@ mono_mach_get_tls_address_from_thread (pthread_t thread, pthread_key_t key)
         */
        intptr_t *p = (intptr_t *) thread;
        intptr_t **tsd = (intptr_t **) ((char*)p + tls_vector_offset);
+       g_assert (tls_vector_offset != -1);
 
        return (void *) &tsd [key];
 }
@@ -201,7 +177,8 @@ mono_mach_init (pthread_key_t key)
                }
        }
 
-       g_error ("could not discover the mach TLS offset");
+       tls_vector_offset = -1;
+       g_warning ("could not discover the mach TLS offset");
 ok:
        pthread_setspecific (key, old_value);
 }