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UserspaceEmulator: Print an emulator backtrace on OOB access

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This makes OOB accesses much more actionable than just having UE itself
asserting with no hint about what the emulated program was doing.
This commit is contained in:
Andreas Kling 2020-11-14 11:29:14 +01:00
parent f568aed2e7
commit 8ee6768d11
1 changed files with 9 additions and 0 deletions
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9
DevTools/UserspaceEmulator/SoftMMU.cpp
View file

@ -25,6 +25,7 @@
*/
#include "SoftMMU.h"
#include "Emulator.h"
#include "Report.h"
#include "SharedBufferRegion.h"
#include <AK/ByteBuffer.h>
@ -70,6 +71,7 @@ ValueWithShadow<u8> SoftMMU::read8(X86::LogicalAddress address)
auto* region = find_region(address);
if (!region) {
reportln("SoftMMU::read8: No region for @ {:p}", address.offset());
Emulator::the().dump_backtrace();
TODO();
}
@ -81,6 +83,7 @@ ValueWithShadow<u16> SoftMMU::read16(X86::LogicalAddress address)
auto* region = find_region(address);
if (!region) {
reportln("SoftMMU::read16: No region for @ {:p}", address.offset());
Emulator::the().dump_backtrace();
TODO();
}
@ -92,6 +95,7 @@ ValueWithShadow<u32> SoftMMU::read32(X86::LogicalAddress address)
auto* region = find_region(address);
if (!region) {
reportln("SoftMMU::read32: No region for @ {:p}", address.offset());
Emulator::the().dump_backtrace();
TODO();
}
@ -103,6 +107,7 @@ ValueWithShadow<u64> SoftMMU::read64(X86::LogicalAddress address)
auto* region = find_region(address);
if (!region) {
reportln("SoftMMU::read64: No region for @ {:p}", address.offset());
Emulator::the().dump_backtrace();
TODO();
}
@ -114,6 +119,7 @@ void SoftMMU::write8(X86::LogicalAddress address, ValueWithShadow<u8> value)
auto* region = find_region(address);
if (!region) {
reportln("SoftMMU::write8: No region for @ {:p}", address.offset());
Emulator::the().dump_backtrace();
TODO();
}
@ -125,6 +131,7 @@ void SoftMMU::write16(X86::LogicalAddress address, ValueWithShadow<u16> value)
auto* region = find_region(address);
if (!region) {
reportln("SoftMMU::write16: No region for @ {:p}", address.offset());
Emulator::the().dump_backtrace();
TODO();
}
@ -136,6 +143,7 @@ void SoftMMU::write32(X86::LogicalAddress address, ValueWithShadow<u32> value)
auto* region = find_region(address);
if (!region) {
reportln("SoftMMU::write32: No region for @ {:p}", address.offset());
Emulator::the().dump_backtrace();
TODO();
}
@ -147,6 +155,7 @@ void SoftMMU::write64(X86::LogicalAddress address, ValueWithShadow<u64> value)
auto* region = find_region(address);
if (!region) {
reportln("SoftMMU::write64: No region for @ {:p}", address.offset());
Emulator::the().dump_backtrace();
TODO();
}