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VM: merge memory_protection_error() with memory_signal_handler_impl()

db4
Björn Lindqvist 2015-08-24 09:47:36 +02:00 committed by John Benediktsson
parent 39c888230a
commit cb0bf3b1ce
2 changed files with 9 additions and 13 deletions
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21
vm/errors.cpp
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@ -102,7 +102,7 @@ void factor_vm::not_implemented_error() {
void factor_vm::verify_memory_protection_error(cell addr) {
/* Called from the OS-specific top halves of the signal handlers to
make sure it's safe to dispatch to memory_protection_error */
make sure it's safe to dispatch to memory_signal_handler_impl. */
if (fatal_erroring_p)
fa_diddly_atal_error();
if (faulting_p && !code->safepoint_p(addr))
@ -113,16 +113,6 @@ void factor_vm::verify_memory_protection_error(cell addr) {
fatal_error("Memory protection fault during gc", addr);
}
/* Allocates memory */
void factor_vm::memory_protection_error(cell pc, cell addr) {
if (code->safepoint_p(addr))
safepoint.handle_safepoint(this, pc);
else {
vm_error_type type = ctx->address_to_error(addr);
general_error(type, from_unsigned_cell(addr), false_object);
}
}
/* Allocates memory */
void factor_vm::divide_by_zero_error() {
general_error(ERROR_DIVIDE_BY_ZERO, false_object, false_object);
@ -134,7 +124,14 @@ void factor_vm::primitive_unimplemented() { not_implemented_error(); }
/* Allocates memory */
void factor_vm::memory_signal_handler_impl() {
memory_protection_error(signal_fault_pc, signal_fault_addr);
if (code->safepoint_p(signal_fault_addr)) {
safepoint.handle_safepoint(this, signal_fault_pc);
}
else {
vm_error_type type = ctx->address_to_error(signal_fault_addr);
cell number = from_unsigned_cell(signal_fault_addr);
general_error(type, number, false_object);
}
if (!signal_resumable) {
/* In theory we should only get here if the callstack overflowed during a
safepoint */

1
vm/vm.hpp
View File

@ -215,7 +215,6 @@ struct factor_vm {
void type_error(cell type, cell tagged);
void not_implemented_error();
void verify_memory_protection_error(cell addr);
void memory_protection_error(cell pc, cell addr);
void divide_by_zero_error();
void primitive_unimplemented();
void memory_signal_handler_impl();