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Commit ef06fede authored by jgruber's avatar jgruber Committed by Commit Bot
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Reland "[builtins] Add .incbin cctest" 

This is a reland of b0128161.

Original change's description:
> [builtins] Add .incbin cctest
>
> Just to ensure this is portable across all platforms.
>
> Credits go to https://github.com/graphitemaster/incbin, bits of the
> .incbin code were taken from there. Thanks!
>
> Reland of https://crrev.com/c/881181
>
> Bug: v8:6666
> Change-Id: I5c0dbf56b1c987fd88607dca69b39d65b59cdefc
> Reviewed-on: https://chromium-review.googlesource.com/895597
> Commit-Queue: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#51042}

Cq-Include-Trybots: luci.v8.try:v8_win64_msvc_compile_rel
Bug: v8:6666
Change-Id: I8fc0963e28996a84ed56c2e740d895e26611abf0
Reviewed-on: https://chromium-review.googlesource.com/897630
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: 's avatarMichael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51054}
parent fc1b29c9
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Showing with 195 additions and 1 deletion
test/cctest/test-isolate-independent-builtins.cc
View file @ ef06fede
......@@ -4,11 +4,43 @@
#include "test/cctest/cctest.h"
#include "src/assembler.h"
#include "src/assembler-inl.h"
#include "src/handles-inl.h"
#include "src/isolate.h"
#include "src/macro-assembler-inl.h"
#include "src/simulator.h"
#include "src/snapshot/snapshot.h"
// To generate the binary files for the test function (used in the IncbinInText
// below), enable this section and run GenerateTestFunctionData once on each
// arch.
#define GENERATE_TEST_FUNCTION_DATA false
// Arch-specific defines.
#if V8_TARGET_ARCH_IA32
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-ia32.bin"
#elif V8_TARGET_ARCH_X64 && _WIN64
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-x64-win.bin"
#elif V8_TARGET_ARCH_X64
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-x64.bin"
#elif V8_TARGET_ARCH_ARM64
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-arm64.bin"
#elif V8_TARGET_ARCH_ARM
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-arm.bin"
#elif V8_TARGET_ARCH_PPC
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-ppc.bin"
#elif V8_TARGET_ARCH_MIPS
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-mips.bin"
#elif V8_TARGET_ARCH_MIPS64
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-mips64.bin"
#elif V8_TARGET_ARCH_S390
#define TEST_FUNCTION_FILE "test-isolate-independent-builtins-f-s390.bin"
#else
#error "Unknown architecture."
#endif
#define __ masm.
namespace v8 {
namespace internal {
namespace test_isolate_independent_builtins {
......@@ -76,6 +108,165 @@ TEST(VerifyBuiltinsIsolateIndependence) {
CHECK(!found_mismatch);
}
// .incbin macros.
// V8_CC_MSVC is true for both MSVC and clang on windows. clang can handle
// .incbin but MSVC cannot, and thus we need a more precise compiler detection
// that can distinguish between the two. clang on windows sets both __clang__
// and _MSC_VER, MSVC sets only _MSC_VER.
#if defined(_MSC_VER) && !defined(__clang__)
#define V8_COMPILER_IS_MSVC
#endif
#ifndef V8_COMPILER_IS_MSVC
#if defined(V8_OS_MACOSX)
#define INCBIN_RODATA_SECTION ".const_data\n"
#define INCBIN_TEXT_SECTION ".text\n"
#define INCBIN_MANGLE "_"
#define INCBIN_GLOBAL(NAME) ".globl " INCBIN_MANGLE NAME "\n"
#elif defined(V8_OS_WIN)
#define INCBIN_RODATA_SECTION ".section .rodata\n"
#define INCBIN_TEXT_SECTION ".section .text\n"
#if defined(V8_TARGET_ARCH_X64)
#define INCBIN_MANGLE ""
#else
#define INCBIN_MANGLE "_"
#endif
#define INCBIN_GLOBAL(NAME) ".global " INCBIN_MANGLE NAME "\n"
#else
#define INCBIN_RODATA_SECTION ".section .rodata\n"
#define INCBIN_TEXT_SECTION ".section .text\n"
#define INCBIN_MANGLE ""
#define INCBIN_GLOBAL(NAME) ".global " INCBIN_MANGLE NAME "\n"
#endif
// clang-format off
#define INCBIN_RODATA(LABEL, FILE) \
__asm__(INCBIN_RODATA_SECTION \
INCBIN_GLOBAL(#LABEL) \
".balign 16\n" \
INCBIN_MANGLE #LABEL ":\n" \
".incbin \"" FILE "\"\n"); \
extern "C" V8_ALIGNED(16) const char LABEL[]
#define INCBIN_TEXT(LABEL, FILE) \
__asm__(INCBIN_TEXT_SECTION \
INCBIN_GLOBAL(#LABEL) \
".balign 16\n" \
INCBIN_MANGLE #LABEL ":\n" \
".incbin \"" FILE "\"\n"); \
extern "C" V8_ALIGNED(16) const char LABEL[]
// clang-format on
INCBIN_RODATA(test_string_bytes,
"../../test/cctest/test-isolate-independent-builtins-string.bin");
INCBIN_TEXT(test_function_bytes, "../../test/cctest/" TEST_FUNCTION_FILE);
#if GENERATE_TEST_FUNCTION_DATA
TEST(GenerateTestFunctionData) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
#if V8_TARGET_ARCH_IA32
v8::internal::byte buffer[256];
Assembler masm(isolate, buffer, sizeof(buffer));
__ mov(eax, Operand(esp, 4));
__ add(eax, Operand(esp, 8));
__ ret(0);
#elif V8_TARGET_ARCH_X64
size_t allocated;
byte* buffer = AllocateAssemblerBuffer(&allocated);
Assembler masm(isolate, buffer, static_cast<int>(allocated));
#ifdef _WIN64
static const Register arg1 = rcx;
static const Register arg2 = rdx;
#else
static const Register arg1 = rdi;
static const Register arg2 = rsi;
#endif
__ movq(rax, arg2);
__ addq(rax, arg1);
__ ret(0);
#elif V8_TARGET_ARCH_ARM64
MacroAssembler masm(isolate, nullptr, 0,
v8::internal::CodeObjectRequired::kYes);
__ Add(x0, x0, x1);
__ Ret();
#elif V8_TARGET_ARCH_ARM
Assembler masm(isolate, nullptr, 0);
__ add(r0, r0, Operand(r1));
__ mov(pc, Operand(lr));
#elif V8_TARGET_ARCH_PPC
Assembler masm(isolate, nullptr, 0);
__ function_descriptor();
__ add(r3, r3, r4);
__ blr();
#elif V8_TARGET_ARCH_MIPS
MacroAssembler masm(isolate, nullptr, 0,
v8::internal::CodeObjectRequired::kYes);
__ addu(v0, a0, a1);
__ jr(ra);
__ nop();
#elif V8_TARGET_ARCH_MIPS64
MacroAssembler masm(isolate, nullptr, 0,
v8::internal::CodeObjectRequired::kYes);
__ addu(v0, a0, a1);
__ jr(ra);
__ nop();
#elif V8_TARGET_ARCH_S390
Assembler masm(isolate, nullptr, 0);
__ lhi(r1, Operand(3));
__ llilf(r2, Operand(4));
__ lgr(r2, r2);
__ ar(r2, r1);
__ b(r14);
#else // Unknown architecture.
#error "Unknown architecture."
#endif // Target architecture.
CodeDesc desc;
masm.GetCode(isolate, &desc);
std::ofstream of(TEST_FUNCTION_FILE, std::ios::out | std::ios::binary);
of.write(reinterpret_cast<char*>(desc.buffer), desc.instr_size);
}
#endif // GENERATE_TEST_FUNCTION_DATA
#undef __
#undef GENERATE_TEST_FUNCTION_DATA
#undef INCBIN_GLOBAL
#undef INCBIN_MANGLE
#undef INCBIN_RODATA
#undef INCBIN_RODATA_SECTION
#undef INCBIN_TEXT
#undef INCBIN_TEXT_SECTION
#undef TEST_FUNCTION_FILE
TEST(IncbinInRodata) {
CHECK_EQ(0, std::strcmp("0123456789\n", test_string_bytes));
}
TEST(IncbinInText) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
auto f = GeneratedCode<int(int, int)>::FromAddress(
isolate, const_cast<char*>(test_function_bytes));
CHECK_EQ(7, f.Call(3, 4));
CHECK_EQ(11, f.Call(5, 6));
}
#endif // #ifndef V8_COMPILER_IS_MSVC
#undef V8_COMPILER_IS_MSVC
} // namespace test_isolate_independent_builtins
} // namespace internal
} // namespace v8
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