6 void fatal_error(const char *msg, cell tagged)
8 std::cout << "fatal_error: " << msg;
9 std::cout << ": " << std::hex << tagged << std::dec;
10 std::cout << std::endl;
14 void critical_error(const char *msg, cell tagged)
16 std::cout << "You have triggered a bug in Factor. Please report.\n";
17 std::cout << "critical_error: " << msg;
18 std::cout << ": " << std::hex << tagged << std::dec;
19 std::cout << std::endl;
20 current_vm()->factorbug();
25 std::cout << "Out of memory\n\n";
26 current_vm()->dump_generations();
30 void factor_vm::throw_error(cell error)
32 /* If the error handler is set, we rewind any C stack frames and
33 pass the error to user-space. */
34 if(!current_gc && to_boolean(special_objects[ERROR_HANDLER_QUOT]))
36 /* If error was thrown during heap scan, we re-enable the GC */
39 /* Reset local roots */
44 /* If we had an underflow or overflow, data or retain stack
45 pointers might be out of bounds */
50 unwind_native_frames(special_objects[ERROR_HANDLER_QUOT],
53 /* Error was thrown in early startup before error handler is set, just
57 std::cout << "You have triggered a bug in Factor. Please report.\n";
58 std::cout << "early_error: ";
60 std::cout << std::endl;
65 void factor_vm::general_error(vm_error_type error, cell arg1, cell arg2)
67 throw_error(allot_array_4(special_objects[OBJ_ERROR],
68 tag_fixnum(error),arg1,arg2));
71 void factor_vm::type_error(cell type, cell tagged)
73 general_error(ERROR_TYPE,tag_fixnum(type),tagged);
76 void factor_vm::not_implemented_error()
78 general_error(ERROR_NOT_IMPLEMENTED,false_object,false_object);
81 void factor_vm::memory_protection_error(cell addr)
83 /* Retain and call stack underflows are not supposed to happen */
85 if(ctx->datastack_seg->underflow_p(addr))
86 general_error(ERROR_DATASTACK_UNDERFLOW,false_object,false_object);
87 else if(ctx->datastack_seg->overflow_p(addr))
88 general_error(ERROR_DATASTACK_OVERFLOW,false_object,false_object);
89 else if(ctx->retainstack_seg->underflow_p(addr))
90 general_error(ERROR_RETAINSTACK_UNDERFLOW,false_object,false_object);
91 else if(ctx->retainstack_seg->overflow_p(addr))
92 general_error(ERROR_RETAINSTACK_OVERFLOW,false_object,false_object);
93 else if(ctx->callstack_seg->underflow_p(addr))
94 general_error(ERROR_CALLSTACK_OVERFLOW,false_object,false_object);
95 else if(ctx->callstack_seg->overflow_p(addr))
96 general_error(ERROR_CALLSTACK_UNDERFLOW,false_object,false_object);
98 general_error(ERROR_MEMORY,from_unsigned_cell(addr),false_object);
101 void factor_vm::signal_error(cell signal)
103 general_error(ERROR_SIGNAL,from_unsigned_cell(signal),false_object);
106 void factor_vm::divide_by_zero_error()
108 general_error(ERROR_DIVIDE_BY_ZERO,false_object,false_object);
111 void factor_vm::fp_trap_error(unsigned int fpu_status)
113 general_error(ERROR_FP_TRAP,tag_fixnum(fpu_status),false_object);
116 /* For testing purposes */
117 void factor_vm::primitive_unimplemented()
119 not_implemented_error();
122 void factor_vm::memory_signal_handler_impl()
124 scrub_return_address();
125 memory_protection_error(signal_fault_addr);
128 void memory_signal_handler_impl()
130 current_vm()->memory_signal_handler_impl();
133 void factor_vm::misc_signal_handler_impl()
135 scrub_return_address();
136 signal_error(signal_number);
139 void misc_signal_handler_impl()
141 current_vm()->misc_signal_handler_impl();
144 void factor_vm::fp_signal_handler_impl()
146 /* Clear pending exceptions to avoid getting stuck in a loop */
147 set_fpu_state(get_fpu_state());
149 scrub_return_address();
150 fp_trap_error(signal_fpu_status);
153 void fp_signal_handler_impl()
155 current_vm()->fp_signal_handler_impl();