1 files changed, 72 insertions, 0 deletions
diff --git a/src/3rdparty/pcre2/src/sljit/allocator_src/sljitProtExecAllocatorNetBSD.c b/src/3rdparty/pcre2/src/sljit/allocator_src/sljitProtExecAllocatorNetBSD.c
new file mode 100644
index 0000000000..0b7fd57787
--- /dev/null
+++ b/src/3rdparty/pcre2/src/sljit/allocator_src/sljitProtExecAllocatorNetBSD.c
@@ -0,0 +1,72 @@
+/*
+ *    Stack-less Just-In-Time compiler
+ *
+ *    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:
+ *
+ *   1. Redistributions of source code must retain the above copyright notice, this list of
+ *      conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *      of conditions and the following disclaimer in the documentation and/or other materials
+ *      provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define SLJIT_HAS_CHUNK_HEADER
+#define SLJIT_HAS_EXECUTABLE_OFFSET
+
+struct sljit_chunk_header {
+	void *executable;
+};
+
+/*
+ * MAP_REMAPDUP is a NetBSD extension available sinde 8.0, make sure to
+ * adjust your feature macros (ex: -D_NETBSD_SOURCE) as needed
+ */
+static SLJIT_INLINE struct sljit_chunk_header* alloc_chunk(sljit_uw size)
+{
+	struct sljit_chunk_header *retval;
+
+	retval = (struct sljit_chunk_header *)mmap(NULL, size,
+			PROT_READ | PROT_WRITE | PROT_MPROTECT(PROT_EXEC),
+			MAP_ANON | MAP_SHARED, -1, 0);
+
+	if (retval == MAP_FAILED)
+		return NULL;
+
+	retval->executable = mremap(retval, size, NULL, size, MAP_REMAPDUP);
+	if (retval->executable == MAP_FAILED) {
+		munmap((void *)retval, size);
+		return NULL;
+	}
+
+	if (mprotect(retval->executable, size, PROT_READ | PROT_EXEC) == -1) {
+		munmap(retval->executable, size);
+		munmap((void *)retval, size);
+		return NULL;
+	}
+
+	return retval;
+}
+
+static SLJIT_INLINE void free_chunk(void *chunk, sljit_uw size)
+{
+	struct sljit_chunk_header *header = ((struct sljit_chunk_header *)chunk) - 1;
+
+	munmap(header->executable, size);
+	munmap((void *)header, size);
+}
+
+#include "sljitExecAllocatorCore.c"