New port: lang/hermes: JavaScript engine

2 files changed, 65 insertions, 0 deletions

diff --git a/lang/hermes/files/patch-lib_Support_OSCompatPosix.cpp b/lang/hermes/files/patch-lib_Support_OSCompatPosix.cpp
new file mode 100644
index 000000000000..1ec6a303b9a4
--- /dev/null
+++ b/lang/hermes/files/patch-lib_Support_OSCompatPosix.cpp
@@ -0,0 +1,54 @@
+--- lib/Support/OSCompatPosix.cpp.orig	2020-08-03 19:19:06 UTC
++++ lib/Support/OSCompatPosix.cpp
+@@ -23,6 +23,11 @@
+ #endif
+ #endif // __linux__
+ 
++#if defined(__FreeBSD__)
++#include <pthread.h>
++#include <pthread_np.h>
++#endif
++
+ #include <sys/types.h>
+ #include <unistd.h>
+ 
+@@ -213,7 +218,7 @@ void vm_unused(void *p, size_t sz) {
+ /// the process's physical footprint.
+ #define MADV_UNUSED MADV_FREE
+ 
+-#elif defined(__linux__)
++#elif defined(__linux__) || defined(__FreeBSD__)
+ 
+ /// On linux, telling the OS that we \p MADV_DONTNEED some pages will cause it
+ /// to immediately deduct their size from the process's resident set.
+@@ -414,6 +419,12 @@ uint64_t thread_id() {
+   return syscall(__NR_gettid);
+ }
+ 
++#elif defined(__FreeBSD__)
++
++uint64_t thread_id() {
++  return reinterpret_cast<uint64_t>(pthread_self());
++}
++
+ #else
+ #error "Thread ID not supported on this platform"
+ #endif
+@@ -443,7 +454,7 @@ std::chrono::microseconds thread_cpu_time() {
+   return microseconds(total);
+ }
+ 
+-#elif defined(__linux__) // !(__APPLE__ && __MACH__)
++#elif defined(__linux__) || defined(__FreeBSD__) // !(__APPLE__ && __MACH__)
+ 
+ std::chrono::microseconds thread_cpu_time() {
+   using namespace std::chrono;
+@@ -480,7 +491,7 @@ bool thread_page_fault_count(int64_t *outMinorFaults, 
+   return kr == KERN_SUCCESS;
+ }
+ 
+-#elif defined(__linux__) // !(__APPLE__ && __MACH__)
++#elif defined(__linux__) || defined(__FreeBSD__) // !(__APPLE__ && __MACH__)
+ 
+ bool thread_page_fault_count(int64_t *outMinorFaults, int64_t *outMajorFaults) {
+   struct rusage stats = {};
diff --git a/lang/hermes/files/patch-lib_VM_Instrumentation_ProcessStats.cpp b/lang/hermes/files/patch-lib_VM_Instrumentation_ProcessStats.cpp
new file mode 100644
index 000000000000..584ac722c250
--- /dev/null
+++ b/lang/hermes/files/patch-lib_VM_Instrumentation_ProcessStats.cpp
@@ -0,0 +1,11 @@
+--- lib/VM/Instrumentation/ProcessStats.cpp.orig	2020-09-11 02:29:31 UTC
++++ lib/VM/Instrumentation/ProcessStats.cpp
+@@ -69,6 +69,8 @@ ProcessStats::Info getProcessStatSnapshot() {
+   va *= PS / 1024;
+ #elif defined(__EMSCRIPTEN__)
+   rss = va = 0;
++#elif defined(__FreeBSD__)
++  rss = va = 0; // TODO implement getProcessStatSnapshot
+ #else
+ #error "Unsupported platform"
+ #endif