Move Safetyhook mess into a mirror repo (#2163)

* Bring in safetyhook mirror repo

* Add proper submodule

* Update submodule for linux fixes

* Update submodule again

* Change the method of compiling safetyhook (#2167)

Co-authored-by: Kenzzer <[email protected]>

* Update submodule

* Update submodule for -fPIC

---------

Co-authored-by: Benoist <[email protected]>
Co-authored-by: Kenzzer <[email protected]>

.gitmodules

@@ -9,3 +9,6 @@
 [submodule "hl2sdk-manifests"]
 	path = hl2sdk-manifests
 	url = https://github.com/alliedmodders/hl2sdk-manifests.git
+[submodule "public/safetyhook"]
+	path = public/safetyhook
+	url = https://github.com/alliedmodders/safetyhook

AMBuildScript

@@ -55,6 +55,7 @@ class SMConfig(object):
     self.target_archs = set()
     self.enable_asan = getattr(builder.options, 'enable_asan', False)
     self.asan_libs = {}
+    self.libsafetyhook = {}
 
     if builder.options.targets:
       target_archs = builder.options.targets.split(',')
@@ -522,13 +523,14 @@ class SMConfig(object):
 
   def AddCDetour(self, binary):
     public_path = os.path.join(builder.sourcePath, 'public')
-    binary.sources += [
-      os.path.join(public_path, 'CDetour', 'detours.cpp'),
-      os.path.join(public_path, 'safetyhook', 'safetyhook.cpp'),
-      os.path.join(public_path, 'safetyhook', 'Zydis.c')
-    ]
-    binary.compiler.cxxincludes += [ os.path.join(public_path, 'safetyhook') ]
-    binary.compiler.includes += [ os.path.join(public_path, 'safetyhook') ]
+    binary.sources += [ os.path.join(public_path, 'CDetour', 'detours.cpp') ]
+    binary.compiler.cxxincludes += [ os.path.join(public_path, 'safetyhook', 'include') ]
+
+    for task in self.libsafetyhook:
+      if task.target.arch == binary.compiler.target.arch:
+        binary.compiler.linkflags += [task.binary]
+        return
+    raise Exception('No suitable build of safetyhook was found.')
 
   def HL2Library(self, context, compiler, name, sdk):
     binary = self.Library(context, compiler, name)
@@ -578,6 +580,16 @@ if SM.use_auto_versioning():
     { 'SM': SM }
   )
 
+class SafetyHookShim(object):
+  def __init__(self):
+    self.all_targets = {}
+    self.libsafetyhook = {}
+
+SafetyHook = SafetyHookShim()
+SafetyHook.all_targets = SM.all_targets
+builder.Build('public/safetyhook/AMBuilder', {'SafetyHook': SafetyHook })
+SM.libsafetyhook = SafetyHook.libsafetyhook
+
 class SPRoot(object):
   def __init__(self):
     self.generated_headers = SM.generated_headers

public/CDetour/detours.h

@@ -32,7 +32,7 @@
 #ifndef _INCLUDE_SOURCEMOD_DETOURS_H_
 #define _INCLUDE_SOURCEMOD_DETOURS_H_
 
-#include "../safetyhook/safetyhook.hpp"
+#include "safetyhook.hpp"
 #include <smsdk_ext.h>
 
 #define DETOUR_MEMBER_CALL(name) (this->*name##_Actual)