[dynarmic] remove frontend options; fixup exception handler code to support other OSes, do not use mcl macros for arch in EH (#2540)

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2540
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

9 files changed, 314 insertions, 303 deletions

diff --git a/src/dynarmic/CMakeLists.txt b/src/dynarmic/CMakeLists.txt
index a9808391ae..331f42afba 100644
--- a/src/dynarmic/CMakeLists.txt
+++ b/src/dynarmic/CMakeLists.txt
@@ -39,9 +39,6 @@ option(DYNARMIC_INSTALL "Install dynarmic headers and CMake files" OFF)
 option(DYNARMIC_USE_BUNDLED_EXTERNALS "Use all bundled externals (useful when e.g. cross-compiling)" OFF)
 option(DYNARMIC_WARNINGS_AS_ERRORS "Warnings as errors" ${MASTER_PROJECT})
 option(DYNARMIC_ENABLE_LTO "Enable LTO" OFF)
-if (NOT DEFINED DYNARMIC_FRONTENDS)
-    set(DYNARMIC_FRONTENDS "A32;A64" CACHE STRING "Selects which frontends to enable")
-endif()
 
 # Default to a Release build
 if (NOT CMAKE_BUILD_TYPE)
diff --git a/src/dynarmic/src/dynarmic/CMakeLists.txt b/src/dynarmic/src/dynarmic/CMakeLists.txt
index e8f8a6a767..a5234609cf 100644
--- a/src/dynarmic/src/dynarmic/CMakeLists.txt
+++ b/src/dynarmic/src/dynarmic/CMakeLists.txt
@@ -1,6 +1,5 @@
 # SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
-
 include(TargetArchitectureSpecificSources)
 
 add_library(dynarmic
@@ -103,65 +102,57 @@ add_library(dynarmic
     ir/type.h
     ir/value.cpp
     ir/value.h
+    # A32
+    frontend/A32/a32_ir_emitter.cpp
+    frontend/A32/a32_ir_emitter.h
+    frontend/A32/a32_location_descriptor.cpp
+    frontend/A32/a32_location_descriptor.h
+    frontend/A32/decoder/arm.h
+    frontend/A32/decoder/arm.inc
+    frontend/A32/decoder/asimd.h
+    frontend/A32/decoder/asimd.inc
+    frontend/A32/decoder/thumb16.h
+    frontend/A32/decoder/thumb16.inc
+    frontend/A32/decoder/thumb32.h
+    frontend/A32/decoder/thumb32.inc
+    frontend/A32/decoder/vfp.h
+    frontend/A32/decoder/vfp.inc
+    frontend/A32/disassembler/disassembler.h
+    frontend/A32/disassembler/disassembler_arm.cpp
+    frontend/A32/disassembler/disassembler_thumb.cpp
+    frontend/A32/FPSCR.h
+    frontend/A32/ITState.h
+    frontend/A32/PSR.h
+    frontend/A32/translate/a32_translate.cpp
+    frontend/A32/translate/a32_translate.h
+    frontend/A32/translate/conditional_state.cpp
+    frontend/A32/translate/conditional_state.h
+    frontend/A32/translate/translate_arm.cpp
+    frontend/A32/translate/translate_thumb.cpp
+    interface/A32/a32.h
+    interface/A32/arch_version.h
+    interface/A32/config.h
+    interface/A32/coprocessor.h
+    interface/A32/coprocessor_util.h
+    interface/A32/disassembler.h
+    ir/opt/a32_constant_memory_reads_pass.cpp
+    ir/opt/a32_get_set_elimination_pass.cpp
+    # A64
+    frontend/A64/a64_ir_emitter.cpp
+    frontend/A64/a64_ir_emitter.h
+    frontend/A64/a64_location_descriptor.cpp
+    frontend/A64/a64_location_descriptor.h
+    frontend/A64/decoder/a64.h
+    frontend/A64/decoder/a64.inc
+    frontend/A64/translate/a64_translate.cpp
+    frontend/A64/translate/a64_translate.h
+    interface/A64/a64.h
+    interface/A64/config.h
+    ir/opt/a64_callback_config_pass.cpp
+    ir/opt/a64_get_set_elimination_pass.cpp
+    ir/opt/a64_merge_interpret_blocks.cpp
 )
 
-if ("A32" IN_LIST DYNARMIC_FRONTENDS)
-    target_sources(dynarmic PRIVATE
-        frontend/A32/a32_ir_emitter.cpp
-        frontend/A32/a32_ir_emitter.h
-        frontend/A32/a32_location_descriptor.cpp
-        frontend/A32/a32_location_descriptor.h
-        frontend/A32/decoder/arm.h
-        frontend/A32/decoder/arm.inc
-        frontend/A32/decoder/asimd.h
-        frontend/A32/decoder/asimd.inc
-        frontend/A32/decoder/thumb16.h
-        frontend/A32/decoder/thumb16.inc
-        frontend/A32/decoder/thumb32.h
-        frontend/A32/decoder/thumb32.inc
-        frontend/A32/decoder/vfp.h
-        frontend/A32/decoder/vfp.inc
-        frontend/A32/disassembler/disassembler.h
-        frontend/A32/disassembler/disassembler_arm.cpp
-        frontend/A32/disassembler/disassembler_thumb.cpp
-        frontend/A32/FPSCR.h
-        frontend/A32/ITState.h
-        frontend/A32/PSR.h
-        frontend/A32/translate/a32_translate.cpp
-        frontend/A32/translate/a32_translate.h
-        frontend/A32/translate/conditional_state.cpp
-        frontend/A32/translate/conditional_state.h
-        frontend/A32/translate/translate_arm.cpp
-        frontend/A32/translate/translate_thumb.cpp
-        interface/A32/a32.h
-        interface/A32/arch_version.h
-        interface/A32/config.h
-        interface/A32/coprocessor.h
-        interface/A32/coprocessor_util.h
-        interface/A32/disassembler.h
-        ir/opt/a32_constant_memory_reads_pass.cpp
-        ir/opt/a32_get_set_elimination_pass.cpp
-    )
-endif()
-
-if ("A64" IN_LIST DYNARMIC_FRONTENDS)
-    target_sources(dynarmic PRIVATE
-        frontend/A64/a64_ir_emitter.cpp
-        frontend/A64/a64_ir_emitter.h
-        frontend/A64/a64_location_descriptor.cpp
-        frontend/A64/a64_location_descriptor.h
-        frontend/A64/decoder/a64.h
-        frontend/A64/decoder/a64.inc
-        frontend/A64/translate/a64_translate.cpp
-        frontend/A64/translate/a64_translate.h
-        interface/A64/a64.h
-        interface/A64/config.h
-        ir/opt/a64_callback_config_pass.cpp
-        ir/opt/a64_get_set_elimination_pass.cpp
-        ir/opt/a64_merge_interpret_blocks.cpp
-    )
-endif()
-
 if ("x86_64" IN_LIST ARCHITECTURE)
     # Newer versions of xbyak (>= 7.25.0) have stricter checks that currently
     # fail in dynarmic
@@ -218,29 +209,21 @@ if ("x86_64" IN_LIST ARCHITECTURE)
         common/spin_lock_x64.h
         common/x64_disassemble.cpp
         common/x64_disassemble.h
+        # A32
+        backend/x64/a32_emit_x64.cpp
+        backend/x64/a32_emit_x64.h
+        backend/x64/a32_emit_x64_memory.cpp
+        backend/x64/a32_interface.cpp
+        backend/x64/a32_jitstate.cpp
+        backend/x64/a32_jitstate.h
+        # A64
+        backend/x64/a64_emit_x64.cpp
+        backend/x64/a64_emit_x64.h
+        backend/x64/a64_emit_x64_memory.cpp
+        backend/x64/a64_interface.cpp
+        backend/x64/a64_jitstate.cpp
+        backend/x64/a64_jitstate.h
     )
-
-    if ("A32" IN_LIST DYNARMIC_FRONTENDS)
-        target_architecture_specific_sources(dynarmic "x86_64"
-            backend/x64/a32_emit_x64.cpp
-            backend/x64/a32_emit_x64.h
-            backend/x64/a32_emit_x64_memory.cpp
-            backend/x64/a32_interface.cpp
-            backend/x64/a32_jitstate.cpp
-            backend/x64/a32_jitstate.h
-        )
-    endif()
-
-    if ("A64" IN_LIST DYNARMIC_FRONTENDS)
-        target_architecture_specific_sources(dynarmic "x86_64"
-            backend/x64/a64_emit_x64.cpp
-            backend/x64/a64_emit_x64.h
-            backend/x64/a64_emit_x64_memory.cpp
-            backend/x64/a64_interface.cpp
-            backend/x64/a64_jitstate.cpp
-            backend/x64/a64_jitstate.h
-        )
-    endif()
 endif()
 
 if ("arm64" IN_LIST ARCHITECTURE)
@@ -284,25 +267,17 @@ if ("arm64" IN_LIST ARCHITECTURE)
         backend/arm64/verbose_debugging_output.h
         common/spin_lock_arm64.cpp
         common/spin_lock_arm64.h
+        # A32
+        backend/arm64/a32_address_space.cpp
+        backend/arm64/a32_address_space.h
+        backend/arm64/a32_core.h
+        backend/arm64/a32_interface.cpp
+        # A64
+        backend/arm64/a64_address_space.cpp
+        backend/arm64/a64_address_space.h
+        backend/arm64/a64_core.h
+        backend/arm64/a64_interface.cpp
     )
-
-    if ("A32" IN_LIST DYNARMIC_FRONTENDS)
-        target_architecture_specific_sources(dynarmic "arm64"
-            backend/arm64/a32_address_space.cpp
-            backend/arm64/a32_address_space.h
-            backend/arm64/a32_core.h
-            backend/arm64/a32_interface.cpp
-        )
-    endif()
-
-    if ("A64" IN_LIST DYNARMIC_FRONTENDS)
-        target_architecture_specific_sources(dynarmic "arm64"
-            backend/arm64/a64_address_space.cpp
-            backend/arm64/a64_address_space.h
-            backend/arm64/a64_core.h
-            backend/arm64/a64_interface.cpp
-        )
-    endif()
 endif()
 
 if ("riscv" IN_LIST ARCHITECTURE)
@@ -331,21 +306,14 @@ if ("riscv" IN_LIST ARCHITECTURE)
         backend/riscv64/reg_alloc.cpp
         backend/riscv64/reg_alloc.h
         backend/riscv64/stack_layout.h
+        # A32
+        backend/riscv64/a32_address_space.cpp
+        backend/riscv64/a32_address_space.h
+        backend/riscv64/a32_core.h
+        backend/riscv64/a32_interface.cpp
+        backend/riscv64/code_block.h
     )
-
-    if ("A32" IN_LIST DYNARMIC_FRONTENDS)
-        target_sources(dynarmic PRIVATE
-            backend/riscv64/a32_address_space.cpp
-            backend/riscv64/a32_address_space.h
-            backend/riscv64/a32_core.h
-            backend/riscv64/a32_interface.cpp
-            backend/riscv64/code_block.h
-        )
-    endif()
-
-    if ("A64" IN_LIST DYNARMIC_FRONTENDS)
-        message(FATAL_ERROR "TODO: Unimplemented frontend for this host architecture")
-    endif()
+    message(FATAL_ERROR "TODO: Unimplemented frontend for this host architecture")
 endif()
 
 if (WIN32)
@@ -423,7 +391,7 @@ target_link_libraries(dynarmic
 )
 
 if (BOOST_NO_HEADERS)
-target_link_libraries(dynarmic PRIVATE Boost::variant Boost::icl Boost::pool)
+    target_link_libraries(dynarmic PRIVATE Boost::variant Boost::icl Boost::pool)
 else()
     target_link_libraries(dynarmic PRIVATE Boost::headers)
 endif()
diff --git a/src/dynarmic/src/dynarmic/backend/exception_handler_generic.cpp b/src/dynarmic/src/dynarmic/backend/exception_handler_generic.cpp
index ad7df25ca6..23dc294511 100644
--- a/src/dynarmic/src/dynarmic/backend/exception_handler_generic.cpp
+++ b/src/dynarmic/src/dynarmic/backend/exception_handler_generic.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2016 MerryMage
  * SPDX-License-Identifier: 0BSD
@@ -13,15 +16,15 @@ struct ExceptionHandler::Impl final {
 ExceptionHandler::ExceptionHandler() = default;
 ExceptionHandler::~ExceptionHandler() = default;
 
-#if defined(MCL_ARCHITECTURE_X86_64)
+#if defined(ARCHITECTURE_x86_64)
 void ExceptionHandler::Register(X64::BlockOfCode&) {
     // Do nothing
 }
-#elif defined(MCL_ARCHITECTURE_ARM64)
+#elif defined(ARCHITECTURE_arm64)
 void ExceptionHandler::Register(oaknut::CodeBlock&, std::size_t) {
     // Do nothing
 }
-#elif defined(MCL_ARCHITECTURE_RISCV)
+#elif defined(ARCHITECTURE_riscv64)
 void ExceptionHandler::Register(RV64::CodeBlock&, std::size_t) {
     // Do nothing
 }
diff --git a/src/dynarmic/src/dynarmic/backend/exception_handler_macos.cpp b/src/dynarmic/src/dynarmic/backend/exception_handler_macos.cpp
index 52bcf5972f..76e517f05b 100644
--- a/src/dynarmic/src/dynarmic/backend/exception_handler_macos.cpp
+++ b/src/dynarmic/src/dynarmic/backend/exception_handler_macos.cpp
@@ -25,7 +25,7 @@
 
 #include "dynarmic/backend/exception_handler.h"
 
-#if defined(MCL_ARCHITECTURE_X86_64)
+#if defined(ARCHITECTURE_x86_64)
 
 #    include "dynarmic/backend/x64/block_of_code.h"
 #    define mig_external extern "C"
@@ -36,7 +36,7 @@
 
 using dynarmic_thread_state_t = x86_thread_state64_t;
 
-#elif defined(MCL_ARCHITECTURE_ARM64)
+#elif defined(ARCHITECTURE_arm64)
 
 #    include <oaknut/code_block.hpp>
 #    define mig_external extern "C"
@@ -133,7 +133,7 @@ void MachHandler::MessagePump() {
     }
 }
 
-#if defined(MCL_ARCHITECTURE_X86_64)
+#if defined(ARCHITECTURE_x86_64)
 kern_return_t MachHandler::HandleRequest(x86_thread_state64_t* ts) {
     std::lock_guard<std::mutex> guard(code_block_infos_mutex);
 
@@ -151,7 +151,7 @@ kern_return_t MachHandler::HandleRequest(x86_thread_state64_t* ts) {
 
     return KERN_SUCCESS;
 }
-#elif defined(MCL_ARCHITECTURE_ARM64)
+#elif defined(ARCHITECTURE_arm64)
 kern_return_t MachHandler::HandleRequest(arm_thread_state64_t* ts) {
     std::lock_guard<std::mutex> guard(code_block_infos_mutex);
 
@@ -269,13 +269,13 @@ private:
 ExceptionHandler::ExceptionHandler() = default;
 ExceptionHandler::~ExceptionHandler() = default;
 
-#if defined(MCL_ARCHITECTURE_X86_64)
+#if defined(ARCHITECTURE_x86_64)
 void ExceptionHandler::Register(X64::BlockOfCode& code) {
     const u64 code_begin = mcl::bit_cast<u64>(code.getCode());
     const u64 code_end = code_begin + code.GetTotalCodeSize();
     impl = std::make_unique<Impl>(code_begin, code_end);
 }
-#elif defined(MCL_ARCHITECTURE_ARM64)
+#elif defined(ARCHITECTURE_arm64)
 void ExceptionHandler::Register(oaknut::CodeBlock& mem, std::size_t size) {
     const u64 code_begin = mcl::bit_cast<u64>(mem.ptr());
     const u64 code_end = code_begin + size;
diff --git a/src/dynarmic/src/dynarmic/backend/exception_handler_macos_mig.c b/src/dynarmic/src/dynarmic/backend/exception_handler_macos_mig.c
index 762a80ca42..25678ab115 100644
--- a/src/dynarmic/src/dynarmic/backend/exception_handler_macos_mig.c
+++ b/src/dynarmic/src/dynarmic/backend/exception_handler_macos_mig.c
@@ -5,9 +5,9 @@
 
 #include <mcl/macro/architecture.hpp>
 
-#if defined(MCL_ARCHITECTURE_X86_64)
+#if defined(ARCHITECTURE_x86_64)
 #    include "dynarmic/backend/x64/mig/mach_exc_server.c"
-#elif defined(MCL_ARCHITECTURE_ARM64)
+#elif defined(ARCHITECTURE_arm64)
 #    include "dynarmic/backend/arm64/mig/mach_exc_server.c"
 #else
 #    error "Invalid architecture"
diff --git a/src/dynarmic/src/dynarmic/backend/exception_handler_posix.cpp b/src/dynarmic/src/dynarmic/backend/exception_handler_posix.cpp
index d0653eceab..f1f208179f 100644
--- a/src/dynarmic/src/dynarmic/backend/exception_handler_posix.cpp
+++ b/src/dynarmic/src/dynarmic/backend/exception_handler_posix.cpp
@@ -12,31 +12,17 @@
 #include <mutex>
 #include <shared_mutex>
 #include <optional>
-#include <sys/mman.h>
-#ifdef __APPLE__
-#    include <signal.h>
-#    include <sys/ucontext.h>
-#else
-#    include <signal.h>
-#    ifndef __OpenBSD__
-#        include <ucontext.h>
-#    endif
-#    ifdef __sun__
-#        include <sys/regset.h>
-#    endif
-#endif
-
 #include <ankerl/unordered_dense.h>
-
 #include "dynarmic/backend/exception_handler.h"
+#include "dynarmic/common/assert.h"
+#include "dynarmic/common/context.h"
 #include "dynarmic/common/common_types.h"
-#if defined(MCL_ARCHITECTURE_X86_64)
+#if defined(ARCHITECTURE_x86_64)
 #    include "dynarmic/backend/x64/block_of_code.h"
-#elif defined(MCL_ARCHITECTURE_ARM64)
+#elif defined(ARCHITECTURE_arm64)
 #    include <oaknut/code_block.hpp>
-
 #    include "dynarmic/backend/arm64/abi.h"
-#elif defined(MCL_ARCHITECTURE_RISCV)
+#elif defined(ARCHITECTURE_riscv64)
 #    include "dynarmic/backend/riscv64/code_block.h"
 #else
 #    error "Invalid architecture"
@@ -129,35 +115,8 @@ void RegisterHandler() {
 
 void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
     DEBUG_ASSERT(sig == SIGSEGV || sig == SIGBUS);
-#ifndef MCL_ARCHITECTURE_RISCV
-    ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(raw_context);
-#ifndef __OpenBSD__
-    auto& mctx = ucontext->uc_mcontext;
-#endif
-#endif
-
-#if defined(MCL_ARCHITECTURE_X86_64)
-#    if defined(__APPLE__)
-#        define CTX_RIP (mctx->__ss.__rip)
-#        define CTX_RSP (mctx->__ss.__rsp)
-#    elif defined(__linux__)
-#        define CTX_RIP (mctx.gregs[REG_RIP])
-#        define CTX_RSP (mctx.gregs[REG_RSP])
-#    elif defined(__FreeBSD__)
-#        define CTX_RIP (mctx.mc_rip)
-#        define CTX_RSP (mctx.mc_rsp)
-#    elif defined(__NetBSD__)
-#        define CTX_RIP (mctx.__gregs[_REG_RIP])
-#        define CTX_RSP (mctx.__gregs[_REG_RSP])
-#    elif defined(__OpenBSD__)
-#        define CTX_RIP (ucontext->sc_rip)
-#        define CTX_RSP (ucontext->sc_rsp)
-#    elif defined(__sun__)
-#        define CTX_RIP (mctx.gregs[REG_RIP])
-#        define CTX_RSP (mctx.gregs[REG_RSP])
-#    else
-#        error "Unknown platform"
-#    endif
+    CTX_DECLARE(raw_context);
+#if defined(ARCHITECTURE_x86_64)
     {
         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()) {
@@ -169,48 +128,7 @@ 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);
-#elif defined(MCL_ARCHITECTURE_ARM64)
-#    if defined(__APPLE__)
-#        define CTX_PC (mctx->__ss.__pc)
-#        define CTX_SP (mctx->__ss.__sp)
-#        define CTX_LR (mctx->__ss.__lr)
-#        define CTX_X(i) (mctx->__ss.__x[i])
-#        define CTX_Q(i) (mctx->__ns.__v[i])
-#    elif defined(__linux__)
-#        define CTX_PC (mctx.pc)
-#        define CTX_SP (mctx.sp)
-#        define CTX_LR (mctx.regs[30])
-#        define CTX_X(i) (mctx.regs[i])
-#        define CTX_Q(i) (fpctx->vregs[i])
-    [[maybe_unused]] const auto fpctx = [&mctx] {
-        _aarch64_ctx* header = (_aarch64_ctx*)&mctx.__reserved;
-        while (header->magic != FPSIMD_MAGIC) {
-            ASSERT(header->magic && header->size);
-            header = (_aarch64_ctx*)((char*)header + header->size);
-        }
-        return (fpsimd_context*)header;
-    }();
-#    elif defined(__FreeBSD__)
-#        define CTX_PC (mctx.mc_gpregs.gp_elr)
-#        define CTX_SP (mctx.mc_gpregs.gp_sp)
-#        define CTX_LR (mctx.mc_gpregs.gp_lr)
-#        define CTX_X(i) (mctx.mc_gpregs.gp_x[i])
-#        define CTX_Q(i) (mctx.mc_fpregs.fp_q[i])
-#    elif defined(__NetBSD__)
-#        define CTX_PC (mctx.mc_gpregs.gp_elr)
-#        define CTX_SP (mctx.mc_gpregs.gp_sp)
-#        define CTX_LR (mctx.mc_gpregs.gp_lr)
-#        define CTX_X(i) (mctx.mc_gpregs.gp_x[i])
-#        define CTX_Q(i) (mctx.mc_fpregs.fp_q[i])
-#    elif defined(__OpenBSD__)
-#        define CTX_PC (ucontext->sc_elr)
-#        define CTX_SP (ucontext->sc_sp)
-#        define CTX_LR (ucontext->sc_lr)
-#        define CTX_X(i) (ucontext->sc_x[i])
-#        define CTX_Q(i) (ucontext->sc_q[i])
-#    else
-#        error "Unknown platform"
-#    endif
+#elif defined(ARCHITECTURE_arm64)
     {
         std::shared_lock guard(sig_handler->code_block_infos_mutex);
         if (const auto iter = sig_handler->FindCodeBlockInfo(CTX_PC); iter != sig_handler->code_block_infos.end()) {
@@ -220,7 +138,7 @@ void SigHandler::SigAction(int sig, siginfo_t* info, void* raw_context) {
         }
     }
     fmt::print(stderr, "Unhandled {} at pc {:#018x}\n", sig == SIGSEGV ? "SIGSEGV" : "SIGBUS", CTX_PC);
-#elif defined(MCL_ARCHITECTURE_RISCV)
+#elif defined(ARCHITECTURE_riscv64)
     ASSERT_FALSE("Unimplemented");
 #else
 #    error "Invalid architecture"
diff --git a/src/dynarmic/src/dynarmic/backend/exception_handler_windows.cpp b/src/dynarmic/src/dynarmic/backend/exception_handler_windows.cpp
index 719c007594..58a3325e17 100644
--- a/src/dynarmic/src/dynarmic/backend/exception_handler_windows.cpp
+++ b/src/dynarmic/src/dynarmic/backend/exception_handler_windows.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2023 MerryMage
  * SPDX-License-Identifier: 0BSD
@@ -5,9 +8,9 @@
 
 #include <mcl/macro/architecture.hpp>
 
-#if defined(MCL_ARCHITECTURE_X86_64)
+#if defined(ARCHITECTURE_x86_64)
 #    include "dynarmic/backend/x64/exception_handler_windows.cpp"
-#elif defined(MCL_ARCHITECTURE_ARM64)
+#elif defined(ARCHITECTURE_arm64)
 #    include "dynarmic/backend/exception_handler_generic.cpp"
 #else
 #    error "Invalid architecture"
diff --git a/src/dynarmic/src/dynarmic/common/context.h b/src/dynarmic/src/dynarmic/common/context.h
new file mode 100644
index 0000000000..0eb128449c
--- /dev/null
+++ b/src/dynarmic/src/dynarmic/common/context.h
@@ -0,0 +1,120 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#ifdef __APPLE__
+#    include <signal.h>
+#    include <sys/ucontext.h>
+#else
+#    include <signal.h>
+#    ifndef __OpenBSD__
+#        include <ucontext.h>
+#    endif
+#    ifdef __sun__
+#        include <sys/regset.h>
+#    endif
+#    ifdef __linux__
+#       include <sys/syscall.h>
+#    endif
+#endif
+
+#ifdef ARCHITECTURE_x86_64
+#   ifdef __OpenBSD__
+#       define CTX_DECLARE(raw_context) ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(raw_context);
+#   else
+#       define CTX_DECLARE(raw_context) \
+        ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(raw_context);  \
+        [[maybe_unused]] auto& mctx = ucontext->uc_mcontext;
+#   endif
+#elif defined(ARCHITECTURE_arm64)
+#   ifdef __OpenBSD__
+#       define CTX_DECLARE(raw_context) ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(raw_context);
+#   else
+#       define CTX_DECLARE(raw_context) \
+        ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(raw_context);  \
+        [[maybe_unused]] auto& mctx = ucontext->uc_mcontext; \
+        [[maybe_unused]] const auto fpctx = GetFloatingPointState(mctx);
+#   endif
+#endif
+
+#if defined(ARCHITECTURE_x86_64)
+#    if defined(__APPLE__)
+#        define CTX_RIP (mctx->__ss.__rip)
+#        define CTX_RSP (mctx->__ss.__rsp)
+#    elif defined(__linux__)
+#        define CTX_RIP (mctx.gregs[REG_RIP])
+#        define CTX_RSP (mctx.gregs[REG_RSP])
+#    elif defined(__FreeBSD__)
+#        define CTX_RIP (mctx.mc_rip)
+#        define CTX_RSP (mctx.mc_rsp)
+#    elif defined(__NetBSD__)
+#        define CTX_RIP (mctx.__gregs[_REG_RIP])
+#        define CTX_RSP (mctx.__gregs[_REG_RSP])
+#    elif defined(__OpenBSD__)
+#        define CTX_RIP (ucontext->sc_rip)
+#        define CTX_RSP (ucontext->sc_rsp)
+#    elif defined(__sun__)
+#        define CTX_RIP (mctx.gregs[REG_RIP])
+#        define CTX_RSP (mctx.gregs[REG_RSP])
+#    else
+#        error "Unknown platform"
+#    endif
+#elif defined(ARCHITECTURE_arm64)
+#    if defined(__APPLE__)
+#        define CTX_PC (mctx->__ss.__pc)
+#        define CTX_SP (mctx->__ss.__sp)
+#        define CTX_LR (mctx->__ss.__lr)
+#        define CTX_PSTATE (mctx->__ss.__cpsr)
+#        define CTX_X(i) (mctx->__ss.__x[i])
+#        define CTX_Q(i) (mctx->__ns.__v[i])
+#        define CTX_FPSR (mctx->__ns.__fpsr)
+#        define CTX_FPCR (mctx->__ns.__fpcr)
+#    elif defined(__linux__)
+#        define CTX_PC (mctx.pc)
+#        define CTX_SP (mctx.sp)
+#        define CTX_LR (mctx.regs[30])
+#        define CTX_PSTATE (mctx.pstate)
+#        define CTX_X(i) (mctx.regs[i])
+#        define CTX_Q(i) (fpctx->vregs[i])
+#        define CTX_FPSR (fpctx->fpsr)
+#        define CTX_FPCR (fpctx->fpcr)
+#    elif defined(__FreeBSD__)
+#        define CTX_PC (mctx.mc_gpregs.gp_elr)
+#        define CTX_SP (mctx.mc_gpregs.gp_sp)
+#        define CTX_LR (mctx.mc_gpregs.gp_lr)
+#        define CTX_X(i) (mctx.mc_gpregs.gp_x[i])
+#        define CTX_Q(i) (mctx.mc_fpregs.fp_q[i])
+#    elif defined(__NetBSD__)
+#        define CTX_PC (mctx.mc_gpregs.gp_elr)
+#        define CTX_SP (mctx.mc_gpregs.gp_sp)
+#        define CTX_LR (mctx.mc_gpregs.gp_lr)
+#        define CTX_X(i) (mctx.mc_gpregs.gp_x[i])
+#        define CTX_Q(i) (mctx.mc_fpregs.fp_q[i])
+#    elif defined(__OpenBSD__)
+#        define CTX_PC (ucontext->sc_elr)
+#        define CTX_SP (ucontext->sc_sp)
+#        define CTX_LR (ucontext->sc_lr)
+#        define CTX_X(i) (ucontext->sc_x[i])
+#        define CTX_Q(i) (ucontext->sc_q[i])
+#    else
+#        error "Unknown platform"
+#    endif
+#else
+#    error "unimplemented"
+#endif
+
+#ifdef ARCHITECTURE_arm64
+#ifdef __APPLE__
+inline _STRUCT_ARM_NEON_STATE64* GetFloatingPointState(mcontext_t& host_ctx) {
+    return &(host_ctx->__ns);
+}
+#elif defined(__linux__)
+inline fpsimd_context* GetFloatingPointState(mcontext_t& host_ctx) {
+    _aarch64_ctx* header = reinterpret_cast<_aarch64_ctx*>(&host_ctx.__reserved);
+    while (header->magic != FPSIMD_MAGIC)
+        header = reinterpret_cast<_aarch64_ctx*>(reinterpret_cast<char*>(header) + header->size);
+    return reinterpret_cast<fpsimd_context*>(header);
+}
+#endif
+#endif
diff --git a/src/dynarmic/tests/CMakeLists.txt b/src/dynarmic/tests/CMakeLists.txt
index 85d86c7966..4ace6c2afd 100644
--- a/src/dynarmic/tests/CMakeLists.txt
+++ b/src/dynarmic/tests/CMakeLists.txt
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
 include(TargetArchitectureSpecificSources)
 
 add_executable(dynarmic_tests
@@ -6,33 +8,24 @@ add_executable(dynarmic_tests
     fp/mantissa_util_tests.cpp
     fp/unpacked_tests.cpp
     rand_int.h
+    # A32
+    A32/test_arm_disassembler.cpp
+    A32/test_arm_instructions.cpp
+    A32/test_coprocessor.cpp
+    A32/test_svc.cpp
+    A32/test_thumb_instructions.cpp
+    A32/testenv.h
+    decoder_tests.cpp
+    # A64
+    A64/a64.cpp
+    A64/fibonacci.cpp
+    A64/fp_min_max.cpp
+    A64/misaligned_page_table.cpp
+    A64/test_invalidation.cpp
+    A64/real_world.cpp
+    A64/testenv.h
 )
-
-if ("A32" IN_LIST DYNARMIC_FRONTENDS)
-    target_sources(dynarmic_tests PRIVATE
-        A32/test_arm_disassembler.cpp
-        A32/test_arm_instructions.cpp
-        A32/test_coprocessor.cpp
-        A32/test_svc.cpp
-        A32/test_thumb_instructions.cpp
-        A32/testenv.h
-        decoder_tests.cpp
-    )
-endif()
-
-if ("A64" IN_LIST DYNARMIC_FRONTENDS)
-    target_link_libraries(dynarmic_tests PRIVATE merry::oaknut)
-
-    target_sources(dynarmic_tests PRIVATE
-        A64/a64.cpp
-        A64/fibonacci.cpp
-        A64/fp_min_max.cpp
-        A64/misaligned_page_table.cpp
-        A64/test_invalidation.cpp
-        A64/real_world.cpp
-        A64/testenv.h
-    )
-endif()
+target_link_libraries(dynarmic_tests PRIVATE merry::oaknut)
 
 if (DYNARMIC_TESTS_USE_UNICORN)
     target_link_libraries(dynarmic_tests PRIVATE Unicorn::Unicorn)
@@ -40,25 +33,17 @@ if (DYNARMIC_TESTS_USE_UNICORN)
     target_sources(dynarmic_tests PRIVATE
         fuzz_util.cpp
         fuzz_util.h
+        # A32
+        A32/fuzz_arm.cpp
+        A32/fuzz_thumb.cpp
+        unicorn_emu/a32_unicorn.cpp
+        unicorn_emu/a32_unicorn.h
+        # A64
+        A64/fuzz_with_unicorn.cpp
+        A64/verify_unicorn.cpp
+        unicorn_emu/a64_unicorn.cpp
+        unicorn_emu/a64_unicorn.h
     )
-
-    if ("A32" IN_LIST DYNARMIC_FRONTENDS)
-        target_sources(dynarmic_tests PRIVATE
-            A32/fuzz_arm.cpp
-            A32/fuzz_thumb.cpp
-            unicorn_emu/a32_unicorn.cpp
-            unicorn_emu/a32_unicorn.h
-        )
-    endif()
-
-    if ("A64" IN_LIST DYNARMIC_FRONTENDS)
-        target_sources(dynarmic_tests PRIVATE
-            A64/fuzz_with_unicorn.cpp
-            A64/verify_unicorn.cpp
-            unicorn_emu/a64_unicorn.cpp
-            unicorn_emu/a64_unicorn.h
-        )
-    endif()
 endif()
 
 if ("riscv" IN_LIST ARCHITECTURE)
@@ -69,9 +54,6 @@ if ("x86_64" IN_LIST ARCHITECTURE)
     target_link_libraries(dynarmic_tests PRIVATE xbyak::xbyak)
     target_architecture_specific_sources(dynarmic_tests "x86_64"
         x64_cpu_info.cpp
-    )
-
-    target_architecture_specific_sources(dynarmic_tests "x86_64"
         native/preserve_xmm.cpp
     )
 
@@ -85,50 +67,70 @@ endif()
 
 include(CreateDirectoryGroups)
 
-if (("A32" IN_LIST DYNARMIC_FRONTENDS) AND ("A64" IN_LIST DYNARMIC_FRONTENDS))
-    add_executable(dynarmic_print_info
-        print_info.cpp
-    )
-
-    create_target_directory_groups(dynarmic_print_info)
-
-    target_link_libraries(dynarmic_print_info PRIVATE dynarmic Boost::headers fmt::fmt merry::mcl)
-    target_include_directories(dynarmic_print_info PRIVATE . ../src)
-    target_compile_options(dynarmic_print_info PRIVATE ${DYNARMIC_CXX_FLAGS})
-    target_compile_definitions(dynarmic_print_info PRIVATE FMT_USE_USER_DEFINED_LITERALS=1)
+#
+# dynarmic_print_info
+#
+add_executable(dynarmic_print_info
+    print_info.cpp
+)
+create_target_directory_groups(dynarmic_print_info)
+target_link_libraries(dynarmic_print_info PRIVATE dynarmic fmt::fmt merry::mcl)
+if (BOOST_NO_HEADERS)
+    target_link_libraries(dynarmic_print_info PRIVATE Boost::variant Boost::icl Boost::pool)
+else()
+    target_link_libraries(dynarmic_print_info PRIVATE Boost::headers)
 endif()
+target_include_directories(dynarmic_print_info PRIVATE . ../src)
+target_compile_options(dynarmic_print_info PRIVATE ${DYNARMIC_CXX_FLAGS})
+target_compile_definitions(dynarmic_print_info PRIVATE FMT_USE_USER_DEFINED_LITERALS=1)
+
+#
+# dynarmic_test_generator
+#
+add_executable(dynarmic_test_generator
+    fuzz_util.cpp
+    fuzz_util.h
+    test_generator.cpp
+)
 
-if (("A32" IN_LIST DYNARMIC_FRONTENDS) AND ("A64" IN_LIST DYNARMIC_FRONTENDS))
-    add_executable(dynarmic_test_generator
-        fuzz_util.cpp
-        fuzz_util.h
-        test_generator.cpp
-    )
-
-    create_target_directory_groups(dynarmic_test_generator)
+create_target_directory_groups(dynarmic_test_generator)
 
-    target_link_libraries(dynarmic_test_generator PRIVATE dynarmic Boost::headers fmt::fmt merry::mcl)
-    target_include_directories(dynarmic_test_generator PRIVATE . ../src)
-    target_compile_options(dynarmic_test_generator PRIVATE ${DYNARMIC_CXX_FLAGS})
-    target_compile_definitions(dynarmic_test_generator PRIVATE FMT_USE_USER_DEFINED_LITERALS=1)
+target_link_libraries(dynarmic_test_generator PRIVATE dynarmic fmt::fmt merry::mcl)
+if (BOOST_NO_HEADERS)
+    target_link_libraries(dynarmic_test_generator PRIVATE Boost::variant Boost::icl Boost::pool)
+else()
+    target_link_libraries(dynarmic_test_generator PRIVATE Boost::headers)
 endif()
-
-if (("A32" IN_LIST DYNARMIC_FRONTENDS) AND ("A64" IN_LIST DYNARMIC_FRONTENDS))
-    add_executable(dynarmic_test_reader
-        test_reader.cpp
-    )
-
-    create_target_directory_groups(dynarmic_test_reader)
-
-    target_link_libraries(dynarmic_test_reader PRIVATE dynarmic Boost::headers fmt::fmt merry::mcl)
-    target_include_directories(dynarmic_test_reader PRIVATE . ../src)
-    target_compile_options(dynarmic_test_reader PRIVATE ${DYNARMIC_CXX_FLAGS})
-    target_compile_definitions(dynarmic_test_reader PRIVATE FMT_USE_USER_DEFINED_LITERALS=1)
+target_include_directories(dynarmic_test_generator PRIVATE . ../src)
+target_compile_options(dynarmic_test_generator PRIVATE ${DYNARMIC_CXX_FLAGS})
+target_compile_definitions(dynarmic_test_generator PRIVATE FMT_USE_USER_DEFINED_LITERALS=1)
+
+#
+# dynarmic_test_reader
+#
+add_executable(dynarmic_test_reader
+    test_reader.cpp
+)
+create_target_directory_groups(dynarmic_test_reader)
+target_link_libraries(dynarmic_test_reader PRIVATE dynarmic fmt::fmt merry::mcl)
+if (BOOST_NO_HEADERS)
+    target_link_libraries(dynarmic_test_reader PRIVATE Boost::variant Boost::icl Boost::pool)
+else()
+    target_link_libraries(dynarmic_test_reader PRIVATE Boost::headers)
 endif()
+target_include_directories(dynarmic_test_reader PRIVATE . ../src)
+target_compile_options(dynarmic_test_reader PRIVATE ${DYNARMIC_CXX_FLAGS})
+target_compile_definitions(dynarmic_test_reader PRIVATE FMT_USE_USER_DEFINED_LITERALS=1)
 
+#
 create_target_directory_groups(dynarmic_tests)
 
-target_link_libraries(dynarmic_tests PRIVATE dynarmic Boost::headers Catch2::Catch2WithMain fmt::fmt merry::mcl)
+target_link_libraries(dynarmic_tests PRIVATE dynarmic Catch2::Catch2WithMain fmt::fmt merry::mcl)
+if (BOOST_NO_HEADERS)
+    target_link_libraries(dynarmic_tests PRIVATE Boost::variant Boost::icl Boost::pool)
+else()
+    target_link_libraries(dynarmic_tests PRIVATE Boost::headers)
+endif()
 target_include_directories(dynarmic_tests PRIVATE . ../src)
 target_compile_options(dynarmic_tests PRIVATE ${DYNARMIC_CXX_FLAGS})
 target_compile_definitions(dynarmic_tests PRIVATE FMT_USE_USER_DEFINED_LITERALS=1)