X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=deps%2Flightning%2Fcheck%2Fsetcode.c;h=62719eefae79be49f02074b836036e8379047e3e;hb=c0c162422385a60ea7c8fa1dfe439e83e0a13d88;hp=0047f34880fac62ea56d627ff717011c45ec90ef;hpb=a34093eb63d1645fd2de9b412efe2587df9fdb3f;p=pcsx_rearmed.git

diff --git a/deps/lightning/check/setcode.c b/deps/lightning/check/setcode.c
index 0047f348..62719eef 100644
--- a/deps/lightning/check/setcode.c
+++ b/deps/lightning/check/setcode.c
@@ -31,14 +31,24 @@ main(int argc, char *argv[])
     int			  mmap_fd;
 #endif
     void		(*function)(void);
+    int			  mmap_prot, mmap_flags;
 
 #if defined(__sgi)
     mmap_fd = open("/dev/zero", O_RDWR);
 #endif
 
-    ptr = mmap(NULL, 1024 * 1024,
-	       PROT_EXEC | PROT_READ | PROT_WRITE,
-	       MAP_PRIVATE | MAP_ANON, mmap_fd, 0);
+    mmap_prot = PROT_READ | PROT_WRITE;
+#if !__OpenBSD__
+    mmap_prot |= PROT_EXEC;
+#endif
+#if __NetBSD__
+    mmap_prot = PROT_MPROTECT(mmap_prot);
+    mmap_flags = 0;
+#else
+    mmap_flags = MAP_PRIVATE;
+#endif
+    mmap_flags |= MAP_ANON;
+    ptr = mmap(NULL, 1024 * 1024,  mmap_prot, mmap_flags, mmap_fd, 0);
     assert(ptr != MAP_FAILED);
 #if defined(__sgi)
     close(mmap_fd);
@@ -72,6 +82,9 @@ main(int argc, char *argv[])
     if (function != NULL)
 	abort();
 
+#if __NetBSD__
+    assert(mprotect(ptr, 1024 * 1024, PROT_READ | PROT_WRITE) == 0);
+#endif
     /* and calling again with enough space works */
     jit_set_code(ptr, 1024 * 1024);
     function = jit_emit();
@@ -79,6 +92,9 @@ main(int argc, char *argv[])
 	abort();
 
     jit_clear_state();
+#if __NetBSD__ ||  __OpenBSD__
+    assert(mprotect(ptr, 1024 * 1024, PROT_READ | PROT_EXEC) == 0);
+#endif
     (*function)();
     jit_destroy_state();
     finish_jit();