From 9f0eae62c1ff87b78095b87226a9d8f2915f9dff Mon Sep 17 00:00:00 2001
From: fG! <reverser@put.as>
Date: Wed, 11 Jul 2018 23:19:12 +0100
Subject: [PATCH] Some FreeBSD fixes for examples and including Zydis in
 shared/static libraries

---
 CMakeLists.txt           |  7 +++++++
 examples/ZydisPerfTest.c | 14 ++++++++++++--
 include/Zydis/Defines.h  |  3 +++
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b3f42f..2016a61 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,6 +73,9 @@ function (_set_common_flags target)
         "${CMAKE_C_COMPILER_ID}" STREQUAL "AppleClang")
         target_compile_options("${target}" PRIVATE "-std=c99")
     endif ()
+    if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+        target_compile_options("${target}" PRIVATE "-fPIC")
+    endif ()
 endfunction ()
 
 add_library("Zydis")
@@ -210,6 +213,10 @@ if (ZYDIS_BUILD_EXAMPLES)
             find_package(Threads REQUIRED)
             target_link_libraries("ZydisPerfTest" Threads::Threads)
         endif ()
+        if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+            find_package(Threads REQUIRED)
+            target_link_libraries("ZydisPerfTest" Threads::Threads)
+        endif ()
     endif ()
 endif ()
 
diff --git a/examples/ZydisPerfTest.c b/examples/ZydisPerfTest.c
index cc9d121..28de703 100644
--- a/examples/ZydisPerfTest.c
+++ b/examples/ZydisPerfTest.c
@@ -41,6 +41,10 @@
 #elif defined(ZYDIS_LINUX)
 #   include <sys/time.h>
 #   include <pthread.h>
+#elif defined(ZYDIS_FREEBSD)
+#   include <sys/time.h>
+#   include <pthread.h>
+#   include <pthread_np.h>
 #else
 #   error "Unsupported platform detected"
 #endif
@@ -95,7 +99,7 @@ double GetCounter()
 
     return (double)elapsed * timebaseInfo.numer / timebaseInfo.denom / 1000000;
 }
-#elif defined(ZYDIS_LINUX)
+#elif defined(ZYDIS_LINUX) || defined(ZYDIS_FREEBSD)
 struct timeval t1;
 
 void StartCounter()
@@ -138,12 +142,18 @@ void adjustProcessAndThreadPriority()
         }
     }
 #endif
-#ifdef ZYDIS_LINUX
+#if defined(ZYDIS_LINUX)
     pthread_t thread = pthread_self();
     cpu_set_t cpus;
     CPU_ZERO(&cpus);
     CPU_SET(0, &cpus);
     pthread_setaffinity_np(thread, sizeof(cpus), &cpus);
+#elif defined(ZYDIS_FREEBSD)
+    pthread_t thread = pthread_self();
+    cpuset_t cpus;
+    CPU_ZERO(&cpus);
+    CPU_SET(0, &cpus);
+    pthread_setaffinity_np(thread, sizeof(cpus), &cpus);
 #endif
 }
 
diff --git a/include/Zydis/Defines.h b/include/Zydis/Defines.h
index a15b778..dbf9eb7 100644
--- a/include/Zydis/Defines.h
+++ b/include/Zydis/Defines.h
@@ -66,6 +66,9 @@
 #elif defined(__linux)
 #   define ZYDIS_LINUX
 #   define ZYDIS_POSIX
+#elif defined(__FreeBSD__)
+#	define ZYDIS_FREEBSD
+#	define ZYDIS_POSIX
 #elif defined(__unix)
 #   define ZYDIS_UNIX
 #   define ZYDIS_POSIX