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Merge pull request 'fix missing ___clear_cache when targetting iOS' (#2) from mrcyjanek/RandomWOW:cyjan-fix-ios into 1.2.1-wow

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Reviewed-on: https://git.wownero.com/wownero/RandomWOW/pulls/2
This commit is contained in:
wowario 2024-04-15 00:03:39 +00:00
commit 057f5f8001
2 changed files with 30 additions and 8 deletions
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11
CMakeLists.txt
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@ -56,6 +56,17 @@ src/virtual_machine.cpp
src/vm_compiled_light.cpp
src/blake2/blake2b.c)
if (NOT WIN32)
check_symbol_exists("__builtin___clear_cache" "stdlib.h" HAVE_BUILTIN_CLEAR_CACHE)
if (HAVE_BUILTIN_CLEAR_CACHE)
add_definitions(-DHAVE_BUILTIN_CLEAR_CACHE)
endif()
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
add_definitions(-D_GNU_SOURCE -DHAVE_BUILTIN_CLEAR_CACHE)
endif()
if(NOT ARCH_ID)
# allow cross compiling
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "")

25
src/jit_compiler_a64.cpp
View File

@ -32,6 +32,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "program.hpp"
#include "reciprocal.h"
#include "virtual_memory.h"
#if !defined(HAVE_BUILTIN_CLEAR_CACHE) && defined(__APPLE__)
#include <libkern/OSCacheControl.h>
#endif
namespace ARMV8A {
@ -98,8 +101,10 @@ JitCompilerA64::JitCompilerA64()
memset(reg_changed_offset, 0, sizeof(reg_changed_offset));
memcpy(code, (void*) randomx_program_aarch64, CodeSize);
#ifdef __GNUC__
#if defined(HAVE_BUILTIN_CLEAR_CACHE) && !defined(__APPLE__)
__builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(code + CodeSize));
#else
sys_icache_invalidate(code, CodeSize);
#endif
}
@ -169,8 +174,10 @@ void JitCompilerA64::generateProgram(Program& program, ProgramConfiguration& con
codePos = ((uint8_t*)randomx_program_aarch64_update_spMix1) - ((uint8_t*)randomx_program_aarch64);
emit32(ARMV8A::EOR | 10 | (IntRegMap[config.readReg0] << 5) | (IntRegMap[config.readReg1] << 16), code, codePos);
#ifdef __GNUC__
__builtin___clear_cache(reinterpret_cast<char*>(code + MainLoopBegin), reinterpret_cast<char*>(code + codePos));
#if defined(HAVE_BUILTIN_CLEAR_CACHE) && !defined(__APPLE__)
__builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(code + CodeSize));
#else
sys_icache_invalidate(code, CodeSize);
#endif
}
@ -226,8 +233,10 @@ void JitCompilerA64::generateProgramLight(Program& program, ProgramConfiguration
emit32(ARMV8A::ADD_IMM_LO | 2 | (2 << 5) | (imm_lo << 10), code, codePos);
emit32(ARMV8A::ADD_IMM_HI | 2 | (2 << 5) | (imm_hi << 10), code, codePos);
#ifdef __GNUC__
__builtin___clear_cache(reinterpret_cast<char*>(code + MainLoopBegin), reinterpret_cast<char*>(code + codePos));
#if defined(HAVE_BUILTIN_CLEAR_CACHE) && !defined(__APPLE__)
__builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(code + CodeSize));
#else
sys_icache_invalidate(code, CodeSize);
#endif
}
@ -344,8 +353,10 @@ void JitCompilerA64::generateSuperscalarHash(SuperscalarProgram(&programs)[N], s
memcpy(code + codePos, p1, p2 - p1);
codePos += p2 - p1;
#ifdef __GNUC__
__builtin___clear_cache(reinterpret_cast<char*>(code + CodeSize), reinterpret_cast<char*>(code + codePos));
#if defined(HAVE_BUILTIN_CLEAR_CACHE) && !defined(__APPLE__)
__builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(code + CodeSize));
#else
sys_icache_invalidate(code, CodeSize);
#endif
}