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, stack_frame *stack)
34 /* If the error handler is set, we rewind any C stack frames and
35 pass the error to user-space. */
36 if(!current_gc && to_boolean(special_objects[ERROR_HANDLER_QUOT]))
38 /* If error was thrown during heap scan, we re-enable the GC */
41 /* Reset local roots */
46 /* If we had an underflow or overflow, data or retain stack
47 pointers might be out of bounds */
52 unwind_native_frames(special_objects[ERROR_HANDLER_QUOT],stack);
54 /* Error was thrown in early startup before error handler is set, just
58 std::cout << "You have triggered a bug in Factor. Please report.\n";
59 std::cout << "early_error: ";
61 std::cout << std::endl;
66 void factor_vm::general_error(vm_error_type error, cell arg1, cell arg2, stack_frame *stack)
68 throw_error(allot_array_4(special_objects[OBJ_ERROR],
69 tag_fixnum(error),arg1,arg2),stack);
72 void factor_vm::general_error(vm_error_type error, cell arg1, cell arg2)
74 throw_error(allot_array_4(special_objects[OBJ_ERROR],
75 tag_fixnum(error),arg1,arg2),ctx->callstack_top);
78 void factor_vm::type_error(cell type, cell tagged)
80 general_error(ERROR_TYPE,tag_fixnum(type),tagged);
83 void factor_vm::not_implemented_error()
85 general_error(ERROR_NOT_IMPLEMENTED,false_object,false_object);
88 void factor_vm::memory_protection_error(cell addr, stack_frame *stack)
90 /* Retain and call stack underflows are not supposed to happen */
92 if(ctx->datastack_seg->underflow_p(addr))
93 general_error(ERROR_DATASTACK_UNDERFLOW,false_object,false_object,stack);
94 else if(ctx->datastack_seg->overflow_p(addr))
95 general_error(ERROR_DATASTACK_OVERFLOW,false_object,false_object,stack);
96 else if(ctx->retainstack_seg->underflow_p(addr))
97 general_error(ERROR_RETAINSTACK_UNDERFLOW,false_object,false_object,stack);
98 else if(ctx->retainstack_seg->overflow_p(addr))
99 general_error(ERROR_RETAINSTACK_OVERFLOW,false_object,false_object,stack);
100 else if(ctx->callstack_seg->underflow_p(addr))
101 general_error(ERROR_CALLSTACK_OVERFLOW,false_object,false_object,stack);
102 else if(ctx->callstack_seg->overflow_p(addr))
103 general_error(ERROR_CALLSTACK_UNDERFLOW,false_object,false_object,stack);
105 general_error(ERROR_MEMORY,from_unsigned_cell(addr),false_object,stack);
108 void factor_vm::signal_error(cell signal, stack_frame *stack)
110 general_error(ERROR_SIGNAL,from_unsigned_cell(signal),false_object,stack);
113 void factor_vm::divide_by_zero_error()
115 general_error(ERROR_DIVIDE_BY_ZERO,false_object,false_object);
118 void factor_vm::fp_trap_error(unsigned int fpu_status, stack_frame *stack)
120 general_error(ERROR_FP_TRAP,tag_fixnum(fpu_status),false_object,stack);
123 /* For testing purposes */
124 void factor_vm::primitive_unimplemented()
126 not_implemented_error();
129 void factor_vm::memory_signal_handler_impl()
131 memory_protection_error(signal_fault_addr,signal_callstack_top);
134 void memory_signal_handler_impl()
136 current_vm()->memory_signal_handler_impl();
139 void factor_vm::misc_signal_handler_impl()
141 signal_error(signal_number,signal_callstack_top);
144 void misc_signal_handler_impl()
146 current_vm()->misc_signal_handler_impl();
149 void factor_vm::fp_signal_handler_impl()
151 fp_trap_error(signal_fpu_status,signal_callstack_top);
154 void fp_signal_handler_impl()
156 current_vm()->fp_signal_handler_impl();