JIT compiler update.

git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1215 6239d852-aaf2-0410-a92c-79f79f948069

1 files changed, 57 insertions, 10 deletions

diff --git a/src/sljit/sljitConfigInternal.h b/src/sljit/sljitConfigInternal.h
index acba9da..c81b6a4 100644
--- a/src/sljit/sljitConfigInternal.h
+++ b/src/sljit/sljitConfigInternal.h
@@ -27,6 +27,20 @@
 #ifndef _SLJIT_CONFIG_INTERNAL_H_
 #define _SLJIT_CONFIG_INTERNAL_H_
 
+#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
+	|| (defined SLJIT_DEBUG && SLJIT_DEBUG && (!defined(SLJIT_ASSERT) || !defined(SLJIT_UNREACHABLE)))
+#include <stdio.h>
+#endif
+
+#if (defined SLJIT_DEBUG && SLJIT_DEBUG \
+	&& (!defined(SLJIT_ASSERT) || !defined(SLJIT_UNREACHABLE) || !defined(SLJIT_HALT_PROCESS)))
+#include <stdlib.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
    SLJIT defines the following architecture dependent types and macros:
 
@@ -191,6 +205,24 @@
 #define SLJIT_CONFIG_SPARC 1
 #endif
 
+/***********************************************************/
+/* Intel Control-flow Enforcement Technology (CET) spport. */
+/***********************************************************/
+
+#ifdef SLJIT_CONFIG_X86
+#if defined(__CET__)
+#define SLJIT_CONFIG_X86_CET 1
+#endif
+#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET)
+#if defined(__GNUC__)
+#if !defined (__SHSTK__)
+#error "-mshstk is needed to compile with -fcf-protection"
+#endif
+#include <x86intrin.h>
+#endif
+#endif
+#endif
+
 /**********************************/
 /* External function definitions. */
 /**********************************/
@@ -287,7 +319,7 @@
 #if __has_builtin(__builtin___clear_cache)
 
 #define SLJIT_CACHE_FLUSH(from, to) \
-	__builtin___clear_cache((char*)from, (char*)to)
+	__builtin___clear_cache((char*)(from), (char*)(to))
 
 #endif /* __has_builtin(__builtin___clear_cache) */
 #endif /* (!defined SLJIT_CACHE_FLUSH && defined __has_builtin) */
@@ -318,7 +350,7 @@
 #elif (defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
 
 #define SLJIT_CACHE_FLUSH(from, to) \
-	__builtin___clear_cache((char*)from, (char*)to)
+	__builtin___clear_cache((char*)(from), (char*)(to))
 
 #elif defined __ANDROID__
 
@@ -451,6 +483,25 @@ typedef double sljit_f64;
 #define SLJIT_BIG_ENDIAN 1
 #endif
 
+#ifndef SLJIT_MIPS_REV
+
+/* Auto detecting mips revision. */
+#if (defined __mips_isa_rev) && (__mips_isa_rev >= 6)
+#define SLJIT_MIPS_REV 6
+#elif (defined __mips_isa_rev && __mips_isa_rev >= 1) \
+	|| (defined __clang__ && defined _MIPS_ARCH_OCTEON) \
+	|| (defined __clang__ && defined _MIPS_ARCH_P5600)
+/* clang either forgets to define (clang-7) __mips_isa_rev at all
+ * or sets it to zero (clang-8,-9) for -march=octeon (MIPS64 R2+)
+ * and -march=p5600 (MIPS32 R5).
+ * It also sets the __mips macro to 64 or 32 for -mipsN when N <= 5
+ * (should be set to N exactly) so we cannot rely on this too.
+ */
+#define SLJIT_MIPS_REV 1
+#endif
+
+#endif /* !SLJIT_MIPS_REV */
+
 #elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 
 #define SLJIT_BIG_ENDIAN 1
@@ -679,24 +730,16 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_sw sljit_exec_offset(void* ptr);
 /* Debug and verbose related macros. */
 /*************************************/
 
-#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
-#include <stdio.h>
-#endif
-
 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
 
 #if !defined(SLJIT_ASSERT) || !defined(SLJIT_UNREACHABLE)
 
 /* SLJIT_HALT_PROCESS must halt the process. */
 #ifndef SLJIT_HALT_PROCESS
-#include <stdlib.h>
-
 #define SLJIT_HALT_PROCESS() \
 	abort();
 #endif /* !SLJIT_HALT_PROCESS */
 
-#include <stdio.h>
-
 #endif /* !SLJIT_ASSERT || !SLJIT_UNREACHABLE */
 
 /* Feel free to redefine these two macros. */
@@ -742,4 +785,8 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_sw sljit_exec_offset(void* ptr);
 
 #endif /* !SLJIT_COMPILE_ASSERT */
 
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
 #endif