Add support for FreeBSD. Patch by AMDmi3.

src/nvcore/Debug.cpp

@@ -34,7 +34,7 @@
 #	endif
 #endif
 
-#if NV_OS_DARWIN
+#if NV_OS_DARWIN || NV_OS_FREEBSD
 #	include <unistd.h>	// getpid
 #	include <sys/types.h>
 #	include <sys/sysctl.h>	// sysctl
@@ -199,6 +199,14 @@ namespace
 				return (void *) ucp->uc_mcontext->ss.eip;
 #			endif
 #		endif
+#	elif NV_OS_FREEBSD
+#		if NV_CPU_X86_64
+			ucontext_t * ucp = (ucontext_t *)secret;
+			return (void *)ucp->uc_mcontext.mc_rip;
+#		elif NV_CPU_X86
+			ucontext_t * ucp = (ucontext_t *)secret;
+			return (void *)ucp->uc_mcontext.mc_eip;
+#		endif
 #	else
 #		if NV_CPU_X86_64
 			// #define REG_RIP REG_INDEX(rip) // seems to be 16

src/nvcore/nvcore.h

@@ -38,6 +38,9 @@
 #if defined POSH_OS_LINUX
 #	define NV_OS_LINUX 1
 #	define NV_OS_UNIX 1
+#elif defined POSH_OS_FREEBSD
+#	define NV_OS_FREEBSD 1
+#	define NV_OS_UNIX 1
 #elif defined POSH_OS_CYGWIN32
 #	define NV_OS_CYGWIN 1
 #elif defined POSH_OS_MINGW
@@ -161,7 +164,7 @@
 #elif NV_CC_GNUC
 #	if NV_OS_LINUX
 #		include "DefsGnucLinux.h"
-#	elif NV_OS_DARWIN
+#	elif NV_OS_DARWIN || NV_OS_FREEBSD
 #		include "DefsGnucDarwin.h"
 #	elif NV_OS_MINGW
 #		include "DefsGnucWin32.h"

src/nvmath/nvmath.h

@@ -115,7 +115,7 @@ inline bool isFinite(const float f)
 {
 #if NV_OS_WIN32
 	return _finite(f) != 0;
-#elif NV_OS_DARWIN
+#elif NV_OS_DARWIN || NV_OS_FREEBSD
 	return isfinite(f);
 #elif NV_OS_LINUX
 	return finitef(f);
@@ -130,7 +130,7 @@ inline bool isNan(const float f)
 {
 #if NV_OS_WIN32
 	return _isnan(f) != 0;
-#elif NV_OS_DARWIN
+#elif NV_OS_DARWIN || NV_OS_FREEBSD
 	return isnan(f);
 #elif NV_OS_LINUX
 	return isnanf(f);