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WIP: Support using clang in mingw64 environment on Windows #4

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WIP: Support using clang in mingw64 environment on Windows #4

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a61e99b
attempt to support using clang in mingw64 environment on windows
Tyler-IN Aug 21, 2020
bdec480
address review notes
Tyler-IN Aug 21, 2020
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3 changes: 2 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,8 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390")
elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390x")
set(WTF_CPU_S390X 1)
else ()
message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
# message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
set(WTF_CPU_X86_64 1)
endif ()

# -----------------------------------------------------------------------------
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16 changes: 14 additions & 2 deletions Source/JavaScriptCore/CMakeLists.txt
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Expand Up @@ -242,7 +242,19 @@ list(APPEND JavaScriptCore_HEADERS
)

if (WIN32)
set(OFFLINE_ASM_BACKEND "X86_WIN, X86_64_WIN, C_LOOP_WIN")
if (MSVC)
if (ENABLE_C_LOOP)
set(OFFLINE_ASM_BACKEND "X86_64_WIN, C_LOOP_WIN")
else ()
set(OFFLINE_ASM_BACKEND "X86_64_WIN")
endif ()
else ()
if (ENABLE_C_LOOP)
set(OFFLINE_ASM_BACKEND "X86_64, C_LOOP")
else ()
set(OFFLINE_ASM_BACKEND "X86_64")
endif ()
endif ()
else ()
if (WTF_CPU_X86)
set(OFFLINE_ASM_BACKEND "X86")
Expand Down Expand Up @@ -1349,7 +1361,7 @@ if (USE_VERSION_STAMPER)
VERBATIM)
endif ()

if(CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
if(CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang") AND !WIN32)
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set_target_properties(JavaScriptCore PROPERTIES
INTERPROCEDURAL_OPTIMIZATION 0
LINK_FLAGS "-Wl,-dead_strip"
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4 changes: 3 additions & 1 deletion Source/JavaScriptCore/assembler/AssemblerBuffer.h
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Expand Up @@ -20,7 +20,7 @@
* 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.
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#pragma once
Expand Down Expand Up @@ -253,8 +253,10 @@ namespace JSC {

~LocalWriter()
{
#if !defined(NDEBUG)
ASSERT(m_index - m_initialIndex <= m_requiredSpace);
ASSERT(m_buffer.m_index == m_initialIndex);
#endif
ASSERT(m_storageBuffer == m_buffer.m_storage.buffer());
m_buffer.m_index = m_index;
}
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10 changes: 5 additions & 5 deletions Source/JavaScriptCore/assembler/MacroAssemblerX86Common.cpp
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Expand Up @@ -20,7 +20,7 @@
* 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.
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "config.h"
Expand All @@ -31,7 +31,7 @@
#include "ProbeContext.h"
#include <wtf/InlineASM.h>

#if COMPILER(MSVC)
#if OS(WINDOWS) //COMPILER(MSVC)
#include <intrin.h>
#endif

Expand Down Expand Up @@ -340,7 +340,7 @@ asm (
);
#endif

#if COMPILER(MSVC)
#if COMPILER(MSVC) && !defined(__GNUC__)
extern "C" __declspec(naked) void ctiMasmProbeTrampoline()
{
__asm {
Expand Down Expand Up @@ -745,7 +745,7 @@ asm (
//
// Specifically, the saved stack pointer register will point to the stack
// position before we push the Probe::State frame. The saved rip will point to
// the address of the instruction immediately following the probe.
// the address of the instruction immediately following the probe.

void MacroAssembler::probe(Probe::Function function, void* arg)
{
Expand All @@ -769,7 +769,7 @@ MacroAssemblerX86Common::CPUID MacroAssemblerX86Common::getCPUID(unsigned level)
MacroAssemblerX86Common::CPUID MacroAssemblerX86Common::getCPUIDEx(unsigned level, unsigned count)
{
CPUID result { };
#if COMPILER(MSVC)
#if OS(WINDOWS) //COMPILER(MSVC)
__cpuidex(bitwise_cast<int*>(result.data()), level, count);
#else
__asm__ (
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