1 files changed, 16 insertions, 4 deletions

diff --git a/src/3rdparty/pcre2/src/sljit/sljitConfig.h b/src/3rdparty/pcre2/src/sljit/sljitConfig.h
index a548c37ab6..d54b5e6f54 100644
--- a/src/3rdparty/pcre2/src/sljit/sljitConfig.h
+++ b/src/3rdparty/pcre2/src/sljit/sljitConfig.h
@@ -1,7 +1,7 @@
 /*
  *    Stack-less Just-In-Time compiler
  *
- *    Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
+ *    Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
  * permitted provided that the following conditions are met:
@@ -90,16 +90,28 @@
 
 /* Executable code allocation:
    If SLJIT_EXECUTABLE_ALLOCATOR is not defined, the application should
-   define both SLJIT_MALLOC_EXEC and SLJIT_FREE_EXEC. */
+   define SLJIT_MALLOC_EXEC, SLJIT_FREE_EXEC, and SLJIT_EXEC_OFFSET. */
 #ifndef SLJIT_EXECUTABLE_ALLOCATOR
 /* Enabled by default. */
 #define SLJIT_EXECUTABLE_ALLOCATOR 1
+
+/* When SLJIT_PROT_EXECUTABLE_ALLOCATOR is enabled SLJIT uses
+   an allocator which does not set writable and executable
+   permission flags at the same time. The trade-of is increased
+   memory consumption and disabled dynamic code modifications. */
+#ifndef SLJIT_PROT_EXECUTABLE_ALLOCATOR
+/* Disabled by default. */
+#define SLJIT_PROT_EXECUTABLE_ALLOCATOR 0
+#endif
+
 #endif
 
 /* Force cdecl calling convention even if a better calling
    convention (e.g. fastcall) is supported by the C compiler.
-   If this option is enabled, C functions without
-   SLJIT_CALL can also be called from JIT code. */
+   If this option is disabled (this is the default), functions
+   called from JIT should be defined with SLJIT_FUNC attribute.
+   Standard C functions can still be called by using the
+   SLJIT_CALL_CDECL jump type. */
 #ifndef SLJIT_USE_CDECL_CALLING_CONVENTION
 /* Disabled by default */
 #define SLJIT_USE_CDECL_CALLING_CONVENTION 0