add minimal osx/ios compilastion support

diff --git a/linux/plat.c b/linux/plat.c
index 45ae371..9109a32 100644 (file)
--- a/linux/plat.c
+++ b/linux/plat.c
@@ -192,6 +192,10 @@ void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
        */
        if (size >= HUGETLB_THRESHOLD)
                flags |= MAP_HUGETLB;
+#ifdef MAP_JIT
+       if (need_exec)
+               flags |= MAP_JIT;
+#endif
 
        ret = mmap(req, size, prot, flags, -1, 0);
        if (ret == MAP_FAILED && (flags & MAP_HUGETLB)) {
@@ -223,8 +227,11 @@ void *plat_mremap(void *ptr, size_t oldsize, size_t newsize)
 {
        void *ret;
 
+#ifdef MREMAP_MAYMOVE
        ret = mremap(ptr, oldsize, newsize, MREMAP_MAYMOVE);
-       if (ret == MAP_FAILED) {
+       if (ret == MAP_FAILED)
+#endif
+       {
                fprintf(stderr, "mremap %p %zd %zd: ",
                        ptr, oldsize, newsize);
                perror(NULL);

diff --git a/posix.h b/posix.h
index ca30edb..257c27f 100644 (file)
--- a/posix.h
+++ b/posix.h
@@ -2,7 +2,7 @@
 #define LIBPICOFE_POSIX_H
 
 /* define POSIX stuff: dirent, scandir, getcwd, mkdir */
-#if defined(__linux__) || defined(__MINGW32__)
+#if defined(__MACH__) || defined(__linux__) || defined(__MINGW32__)
 
 #include <dirent.h>
 #include <unistd.h>