h2-mod/deps/asmjit/test/asmjit_test_execute.cpp
2024-03-07 03:33:59 -05:00

104 lines
2.4 KiB
C++

// This file is part of AsmJit project <https://asmjit.com>
//
// See asmjit.h or LICENSE.md for license and copyright information
// SPDX-License-Identifier: Zlib
#include <asmjit/core.h>
static void printInfo() noexcept {
printf("AsmJit Execute Test-Suite v%u.%u.%u\n",
unsigned((ASMJIT_LIBRARY_VERSION >> 16) ),
unsigned((ASMJIT_LIBRARY_VERSION >> 8) & 0xFF),
unsigned((ASMJIT_LIBRARY_VERSION ) & 0xFF));
}
#if !defined(ASMJIT_NO_JIT) && ( \
(ASMJIT_ARCH_X86 != 0 && !defined(ASMJIT_NO_X86 )) || \
(ASMJIT_ARCH_ARM == 64 && !defined(ASMJIT_NO_AARCH64)) )
#if ASMJIT_ARCH_X86 != 0
#include <asmjit/x86.h>
#endif
#if ASMJIT_ARCH_ARM == 64
#include <asmjit/a64.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
using namespace asmjit;
// Signature of the generated function.
typedef void (*EmptyFunc)(void);
// Generate Empty Function
// -----------------------
#if ASMJIT_ARCH_X86 != 0
static void generateEmptyFunc(CodeHolder& code) noexcept {
x86::Assembler a(&code);
a.ret();
}
#endif
#if ASMJIT_ARCH_ARM == 64
static void generateEmptyFunc(CodeHolder& code) noexcept {
a64::Assembler a(&code);
a.ret(a64::x30);
}
#endif
// Testing
// -------
static void executeEmptyFunc(JitRuntime& rt) noexcept {
CodeHolder code;
code.init(rt.environment(), rt.cpuFeatures());
EmptyFunc fn;
generateEmptyFunc(code);
Error err = rt.add(&fn, &code);
if (err) {
printf("** FAILURE: JitRuntime::add() failed: %s **\n", DebugUtils::errorAsString(err));
exit(1);
}
fn();
rt.release(&fn);
}
int main() {
printInfo();
printf("\n");
{
printf("Trying to execute empty function with JitRuntime (default settings)\n");
JitRuntime rt;
executeEmptyFunc(rt);
}
if (VirtMem::hardenedRuntimeInfo().hasFlag(VirtMem::HardenedRuntimeFlags::kDualMapping)) {
printf("Trying to execute empty function with JitRuntime (dual-mapped)\n");
JitAllocator::CreateParams params {};
params.options |= JitAllocatorOptions::kUseDualMapping;
JitRuntime rt;
executeEmptyFunc(rt);
}
// If we are here we were successful, otherwise the process would crash.
printf("** SUCCESS **\n");
return 0;
}
#else
int main() {
printInfo();
printf("\nThis test is currently disabled - no JIT or no support for the target architecture\n");
return 0;
}
#endif // ASMJIT_ARCH_X86 && !ASMJIT_NO_X86 && !ASMJIT_NO_JIT