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https://github.com/libretro/RetroArch.git
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JIT support in iOS (#15224)
* Use AltKit to try to enable JIT on iOS * libretro: Add API to check JIT availability on iOS
This commit is contained in:
warmenhoven
GitHub
parent
ad079538a4
commit
295e5f0682
@ -1793,6 +1793,12 @@ enum retro_mod
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* this environment call to query support.
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*/
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#define RETRO_ENVIRONMENT_GET_JIT_CAPABLE 74
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/* bool * --
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* Result is set to true if the frontend has already verified JIT can be
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* used, mainly for use iOS/tvOS. On other platforms the result is true.
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*/
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/* VFS functionality */
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@ -11,7 +11,8 @@
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#include <stdbool.h>
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static bool jb_has_debugger_attached(void);
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bool jb_has_debugger_attached(void);
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bool jb_enable_ptrace_hack(void);
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void jb_start_altkit(void);
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#endif /* JITSupport_h */
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@ -16,6 +16,12 @@
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#include <mach-o/getsect.h>
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#include <pthread.h>
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#if defined(HAVE_ALTKIT)
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@import AltKit;
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#endif
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#include "../../verbosity.h"
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extern int csops(pid_t pid, unsigned int ops, void * useraddr, size_t usersize);
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extern boolean_t exc_server(mach_msg_header_t *, mach_msg_header_t *);
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extern int ptrace(int request, pid_t pid, caddr_t addr, int data);
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@ -32,7 +38,7 @@ static void *exception_handler(void *argument) {
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return NULL;
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}
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static bool jb_has_debugger_attached(void) {
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bool jb_has_debugger_attached(void) {
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int flags;
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return !csops(getpid(), CS_OPS_STATUS, &flags, sizeof(flags)) && flags & CS_DEBUGGED;
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}
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@ -70,7 +76,33 @@ bool jb_enable_ptrace_hack(void) {
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task_set_exception_ports(mach_task_self(), EXC_MASK_SOFTWARE, port, EXCEPTION_DEFAULT, THREAD_STATE_NONE);
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pthread_t thread;
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pthread_create(&thread, NULL, exception_handler, (void *)&port);
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} else {
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// JIT code frequently causes an EXC_BAD_ACCESS exception that lldb
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// cannot be convinced to ignore. Instead we can set up a nul handler
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// that effectively causes it to be ignored. Note that this sometimes
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// also hides actual crashes from the debugger.
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task_set_exception_ports(mach_task_self(), EXC_MASK_BAD_ACCESS, MACH_PORT_NULL, EXCEPTION_DEFAULT, THREAD_STATE_NONE);
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}
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return true;
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}
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void jb_start_altkit(void) {
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#if HAVE_ALTKIT
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[[ALTServerManager sharedManager] autoconnectWithCompletionHandler:^(ALTServerConnection *connection, NSError *error) {
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if (error)
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return;
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[connection enableUnsignedCodeExecutionWithCompletionHandler:^(BOOL success, NSError *error) {
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if (success)
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[[ALTServerManager sharedManager] stopDiscovering];
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else
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RARCH_WARN("AltServer failed: %s\n", [error.description UTF8String]);
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[connection disconnect];
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}];
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}];
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[[ALTServerManager sharedManager] startDiscovering];
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#endif
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}
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1
pkg/apple/LLDBInitFile
Normal file
1
pkg/apple/LLDBInitFile
Normal file
@ -0,0 +1 @@
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breakpoint set --func-regex "^(NS|UI)ApplicationMain$" --command "process handle --pass true --stop false SIGBUS" --auto-continue true
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@ -10,6 +10,7 @@
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0714E7142983A5AC00E6B45B /* libMoltenVK.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 0714E7132983A5AC00E6B45B /* libMoltenVK.dylib */; };
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0714E7152983A5E500E6B45B /* libMoltenVK.dylib in Embed Libraries */ = {isa = PBXBuildFile; fileRef = 0714E7132983A5AC00E6B45B /* libMoltenVK.dylib */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
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07B7872D29E8FE8F0088B74F /* filters in Resources */ = {isa = PBXBuildFile; fileRef = 07B7872C29E8FE8F0088B74F /* filters */; };
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07EB0FA429F761B800D87936 /* AltKit in Frameworks */ = {isa = PBXBuildFile; productRef = 07EB0FA329F761B800D87936 /* AltKit */; };
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9204BE0D1D319EF300BD49DB /* griffin_objc.m in Sources */ = {isa = PBXBuildFile; fileRef = 50521A431AA23BF500185CC9 /* griffin_objc.m */; };
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9204BE101D319EF300BD49DB /* griffin.c in Sources */ = {isa = PBXBuildFile; fileRef = 501232C9192E5FC40063A359 /* griffin.c */; };
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9204BE121D319EF300BD49DB /* libz.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 5040F04F1AE47ED4006F6972 /* libz.dylib */; };
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@ -466,6 +467,7 @@
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9204BE1B1D319EF300BD49DB /* CoreAudio.framework in Frameworks */,
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9204BE1C1D319EF300BD49DB /* UIKit.framework in Frameworks */,
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9204BE1D1D319EF300BD49DB /* Foundation.framework in Frameworks */,
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07EB0FA429F761B800D87936 /* AltKit in Frameworks */,
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9204BE1E1D319EF300BD49DB /* CoreGraphics.framework in Frameworks */,
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9204BE1F1D319EF300BD49DB /* GLKit.framework in Frameworks */,
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9204BE201D319EF300BD49DB /* OpenGLES.framework in Frameworks */,
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@ -1251,6 +1253,9 @@
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9292D6F028F549D200E47A75 /* PBXTargetDependency */,
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);
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name = RetroArchiOS;
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packageProductDependencies = (
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07EB0FA329F761B800D87936 /* AltKit */,
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);
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productName = RetroArch;
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productReference = 9204BE2B1D319EF300BD49DB /* RetroArch.app */;
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productType = "com.apple.product-type.application";
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@ -1328,6 +1333,9 @@
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Base,
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);
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mainGroup = 96AFAE1A16C1D4EA009DE44C;
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packageReferences = (
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07EB0FA229F761B800D87936 /* XCRemoteSwiftPackageReference "AltKit" */,
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);
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productRefGroup = 96AFAE2616C1D4EA009DE44C /* Products */;
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projectDirPath = "";
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projectRoot = "";
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@ -1565,6 +1573,7 @@
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"-DGLES_SILENCE_DEPRECATION",
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"-DGLSLANG_OSINCLUDE_UNIX",
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"-DHAVE_7ZIP",
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"-DHAVE_ALTKIT",
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"-DHAVE_AUDIOMIXER",
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"-DHAVE_BTSTACK",
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"-DHAVE_BUILTINGLSLANG",
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@ -1706,6 +1715,7 @@
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"-DGLES_SILENCE_DEPRECATION",
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"-DGLSLANG_OSINCLUDE_UNIX",
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"-DHAVE_7ZIP",
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"-DHAVE_ALTKIT",
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"-DHAVE_AUDIOMIXER",
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"-DHAVE_BTSTACK",
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"-DHAVE_BUILTINGLSLANG",
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@ -2471,6 +2481,25 @@
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defaultConfigurationName = Release;
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};
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/* End XCConfigurationList section */
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/* Begin XCRemoteSwiftPackageReference section */
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07EB0FA229F761B800D87936 /* XCRemoteSwiftPackageReference "AltKit" */ = {
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isa = XCRemoteSwiftPackageReference;
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repositoryURL = "https://github.com/rileytestut/AltKit.git";
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requirement = {
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kind = upToNextMajorVersion;
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minimumVersion = 0.0.1;
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};
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};
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/* End XCRemoteSwiftPackageReference section */
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/* Begin XCSwiftPackageProductDependency section */
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07EB0FA329F761B800D87936 /* AltKit */ = {
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isa = XCSwiftPackageProductDependency;
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package = 07EB0FA229F761B800D87936 /* XCRemoteSwiftPackageReference "AltKit" */;
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productName = AltKit;
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};
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/* End XCSwiftPackageProductDependency section */
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};
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rootObject = 96AFAE1C16C1D4EA009DE44C /* Project object */;
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}
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@ -43,6 +43,7 @@
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buildConfiguration = "Debug"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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customLLDBInitFile = "$(SRCROOT)/LLDBInitFile"
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launchStyle = "0"
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useCustomWorkingDirectory = "NO"
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ignoresPersistentStateOnLaunch = "NO"
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@ -43,6 +43,7 @@
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buildConfiguration = "Release"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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customLLDBInitFile = "$(SRCROOT)/LLDBInitFile"
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launchStyle = "0"
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useCustomWorkingDirectory = "NO"
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ignoresPersistentStateOnLaunch = "NO"
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@ -44,6 +44,14 @@
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<true/>
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<key>LSSupportsOpeningDocumentsInPlace</key>
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<true/>
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<key>NSBonjourServices</key>
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<array>
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<string>_altserver._tcp</string>
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</array>
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<key>NSLocalNetworkUsageDescription</key>
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<string>RetroArch uses the local network to find and communicate with AltServer to enable JIT.</string>
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<key>ALTDeviceID</key>
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<string></string>
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<key>NSCameraUsageDescription</key>
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<string>YES</string>
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<key>UIApplicationExitsOnSuspend</key>
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14
runloop.c
14
runloop.c
@ -241,6 +241,10 @@
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#include "lakka.h"
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#endif
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#if defined(HAVE_COCOATOUCH) && TARGET_OS_IOS
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#include "JITSupport.h"
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#endif
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#define SHADER_FILE_WATCH_DELAY_MSEC 500
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#define QUIT_DELAY_USEC 3 * 1000000 /* 3 seconds */
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@ -3378,6 +3382,16 @@ bool runloop_environment_cb(unsigned cmd, void *data)
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}
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break;
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case RETRO_ENVIRONMENT_GET_JIT_CAPABLE:
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{
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#if defined(HAVE_COCOATOUCH) && TARGET_OS_IOS
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*(bool*)data = jb_has_debugger_attached();
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#else
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*(bool*)data = true;
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#endif
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}
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break;
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default:
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RARCH_LOG("[Environ]: UNSUPPORTED (#%u).\n", cmd);
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return false;
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@ -436,6 +436,10 @@ enum
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[self refreshSystemConfig];
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[self showGameView];
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#if TARGET_OS_IOS
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jb_start_altkit();
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#endif
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rarch_main(argc, argv, NULL);
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rarch_start_draw_observer();
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