/* * Stack-less Just-In-Time compiler * * Copyright Zoltan Herczeg ([email protected]). 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. */ #ifndef SLJIT_CONFIG_H_ #define SLJIT_CONFIG_H_ #ifdef __cplusplus extern "C" { #endif /* This file contains the basic configuration options for the SLJIT compiler and their default values. These options can be overridden in the sljitConfigPre.h header file when SLJIT_HAVE_CONFIG_PRE is set to a non-zero value. */ /* --------------------------------------------------------------------- */ /* Utilities */ /* --------------------------------------------------------------------- */ /* Implements a stack like data structure (by using mmap / VirtualAlloc */ /* or a custom allocator). */ #ifndef SLJIT_UTIL_STACK /* Enabled by default */ #define SLJIT_UTIL_STACK … #endif /* Uses user provided allocator to allocate the stack (see SLJIT_UTIL_STACK) */ #ifndef SLJIT_UTIL_SIMPLE_STACK_ALLOCATION /* Disabled by default */ #define SLJIT_UTIL_SIMPLE_STACK_ALLOCATION … #endif /* Single threaded application. Does not require any locks. */ #ifndef SLJIT_SINGLE_THREADED /* Disabled by default. */ #define SLJIT_SINGLE_THREADED … #endif /* --------------------------------------------------------------------- */ /* Configuration */ /* --------------------------------------------------------------------- */ /* If SLJIT_STD_MACROS_DEFINED is not defined, the application should define SLJIT_MALLOC, SLJIT_FREE, SLJIT_MEMCPY, and NULL. */ #ifndef SLJIT_STD_MACROS_DEFINED /* Disabled by default. */ #define SLJIT_STD_MACROS_DEFINED … #endif /* Executable code allocation: If SLJIT_EXECUTABLE_ALLOCATOR is not defined, the application should define SLJIT_MALLOC_EXEC and SLJIT_FREE_EXEC. Optionally, depending on the implementation used for the allocator, SLJIT_EXEC_OFFSET and SLJIT_UPDATE_WX_FLAGS might also be needed. */ #ifndef SLJIT_EXECUTABLE_ALLOCATOR /* Enabled by default. */ #define SLJIT_EXECUTABLE_ALLOCATOR … /* When SLJIT_PROT_EXECUTABLE_ALLOCATOR is enabled SLJIT uses an allocator which does not set writable and executable permission flags at the same time. Instead, it creates a shared memory segment (usually backed by a file) and maps it twice, with different permissions, depending on the use case. The trade-off is increased use of virtual memory, incompatibility with fork(), and some possible additional security risks by the use of publicly accessible files for the generated code. */ #ifndef SLJIT_PROT_EXECUTABLE_ALLOCATOR /* Disabled by default. */ #define SLJIT_PROT_EXECUTABLE_ALLOCATOR … #endif /* When SLJIT_WX_EXECUTABLE_ALLOCATOR is enabled SLJIT uses an allocator which does not set writable and executable permission flags at the same time. Instead, it creates a new independent map on each invocation and switches permissions at the underlying pages as needed. The trade-off is increased memory use and degraded performance. */ #ifndef SLJIT_WX_EXECUTABLE_ALLOCATOR /* Disabled by default. */ #define SLJIT_WX_EXECUTABLE_ALLOCATOR … #endif #endif /* !SLJIT_EXECUTABLE_ALLOCATOR */ /* Return with error when an invalid argument is passed. */ #ifndef SLJIT_ARGUMENT_CHECKS /* Disabled by default */ #define SLJIT_ARGUMENT_CHECKS … #endif /* Debug checks (assertions, etc.). */ #ifndef SLJIT_DEBUG /* Enabled by default */ #define SLJIT_DEBUG … #endif /* Verbose operations. */ #ifndef SLJIT_VERBOSE /* Enabled by default */ #define SLJIT_VERBOSE … #endif /* SLJIT_IS_FPU_AVAILABLE The availability of the FPU can be controlled by SLJIT_IS_FPU_AVAILABLE. zero value - FPU is NOT present. nonzero value - FPU is present. */ /* For further configurations, see the beginning of sljitConfigInternal.h */ #ifdef __cplusplus } /* extern "C" */ #endif #endif /* SLJIT_CONFIG_H_ */