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[dynarmic] fix exception posix handler

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2025-09-16 20:20:21 +00:00 • committed by crueter
parent 047ad2ace4
commit e5bff02156
1 changed files with 12 additions and 12 deletions
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24
src/dynarmic/src/dynarmic/backend/exception_handler_posix.cpp
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@ -7,7 +7,10 @@
*/ */
#include <cstring> #include <cstring>
#include <functional>
#include <memory>
#include <mutex> #include <mutex>
#include <shared_mutex>
#include <optional> #include <optional>
#include <ankerl/unordered_dense.h> #include <ankerl/unordered_dense.h>
#include "dynarmic/backend/exception_handler.h" #include "dynarmic/backend/exception_handler.h"
@ -115,11 +118,9 @@ void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
CTX_DECLARE(raw_context); CTX_DECLARE(raw_context);
#if defined(ARCHITECTURE_x86_64) #if defined(ARCHITECTURE_x86_64)
{ {
std::lock_guard<std::mutex> guard(sig_handler->code_block_infos_mutex); std::shared_lock guard(sig_handler->code_block_infos_mutex);
if (auto const iter = sig_handler->FindCodeBlockInfo(CTX_RIP); iter != sig_handler->code_block_infos.end()) {
const auto iter = sig_handler->FindCodeBlockInfo(CTX_RIP); FakeCall fc = iter->second.cb(CTX_RIP);
if (iter != sig_handler->code_block_infos.end()) {
FakeCall fc = iter->cb(CTX_RIP);
CTX_RSP -= sizeof(u64); CTX_RSP -= sizeof(u64);
*mcl::bit_cast<u64*>(CTX_RSP) = fc.ret_rip; *mcl::bit_cast<u64*>(CTX_RSP) = fc.ret_rip;
CTX_RIP = fc.call_rip; CTX_RIP = fc.call_rip;
@ -129,10 +130,9 @@ void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
fmt::print(stderr, "Unhandled {} at rip {:#018x}\n", sig == SIGSEGV ? "SIGSEGV" : "SIGBUS", CTX_RIP); fmt::print(stderr, "Unhandled {} at rip {:#018x}\n", sig == SIGSEGV ? "SIGSEGV" : "SIGBUS", CTX_RIP);
#elif defined(ARCHITECTURE_arm64) #elif defined(ARCHITECTURE_arm64)
{ {
std::lock_guard<std::mutex> guard(sig_handler->code_block_infos_mutex); std::shared_lock guard(sig_handler->code_block_infos_mutex);
const auto iter = sig_handler->FindCodeBlockInfo(CTX_PC); if (const auto iter = sig_handler->FindCodeBlockInfo(CTX_PC); iter != sig_handler->code_block_infos.end()) {
if (iter != sig_handler->code_block_infos.end()) { FakeCall fc = iter->second.cb(CTX_PC);
FakeCall fc = iter->cb(CTX_PC);
CTX_PC = fc.call_pc; CTX_PC = fc.call_pc;
return; return;
} }
@ -187,15 +187,15 @@ private:
ExceptionHandler::ExceptionHandler() = default; ExceptionHandler::ExceptionHandler() = default;
ExceptionHandler::~ExceptionHandler() = default; ExceptionHandler::~ExceptionHandler() = default;
#if defined(ARCHITECTURE_x86_64) #if defined(MCL_ARCHITECTURE_X86_64)
void ExceptionHandler::Register(X64::BlockOfCode& code) { void ExceptionHandler::Register(X64::BlockOfCode& code) {
impl = std::make_unique<Impl>(mcl::bit_cast<u64>(code.getCode()), code.GetTotalCodeSize()); impl = std::make_unique<Impl>(mcl::bit_cast<u64>(code.getCode()), code.GetTotalCodeSize());
} }
#elif defined(ARCHITECTURE_arm64) #elif defined(MCL_ARCHITECTURE_ARM64)
void ExceptionHandler::Register(oaknut::CodeBlock& mem, std::size_t size) { void ExceptionHandler::Register(oaknut::CodeBlock& mem, std::size_t size) {
impl = std::make_unique<Impl>(mcl::bit_cast<u64>(mem.ptr()), size); impl = std::make_unique<Impl>(mcl::bit_cast<u64>(mem.ptr()), size);
} }
#elif defined(ARCHITECTURE_riscv64) #elif defined(MCL_ARCHITECTURE_RISCV)
void ExceptionHandler::Register(RV64::CodeBlock& mem, std::size_t size) { void ExceptionHandler::Register(RV64::CodeBlock& mem, std::size_t size) {
impl = std::make_unique<Impl>(mcl::bit_cast<u64>(mem.ptr<u64>()), size); impl = std::make_unique<Impl>(mcl::bit_cast<u64>(mem.ptr<u64>()), size);
} }