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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_SNAPSHOT_MACROS_H_
#define V8_SNAPSHOT_MACROS_H_
#include "include/v8config.h"
// .byte portability macros.
#if defined(V8_OS_MACOSX) // MACOSX
#define V8_ASM_MANGLE_LABEL "_"
#define V8_ASM_RODATA_SECTION ".const_data\n"
#define V8_ASM_TEXT_SECTION ".text\n"
#define V8_ASM_DECLARE(NAME) ".private_extern " V8_ASM_MANGLE_LABEL NAME "\n"
#elif defined(V8_OS_AIX) // AIX
#define V8_ASM_RODATA_SECTION ".csect[RO]\n"
#define V8_ASM_TEXT_SECTION ".csect .text[PR]\n"
#define V8_ASM_MANGLE_LABEL ""
#define V8_ASM_DECLARE(NAME) ".globl " V8_ASM_MANGLE_LABEL NAME "\n"
#elif defined(V8_OS_WIN) // WIN
#if defined(V8_TARGET_ARCH_X64)
#define V8_ASM_MANGLE_LABEL ""
#else
#define V8_ASM_MANGLE_LABEL "_"
#endif
#define V8_ASM_RODATA_SECTION ".section .rodata\n"
#define V8_ASM_TEXT_SECTION ".section .text\n"
#define V8_ASM_DECLARE(NAME)
#else // !MACOSX && !WIN && !AIX
#define V8_ASM_MANGLE_LABEL ""
#define V8_ASM_RODATA_SECTION ".section .rodata\n"
#define V8_ASM_TEXT_SECTION ".section .text\n"
#if defined(V8_TARGET_ARCH_MIPS) || defined(V8_TARGET_ARCH_MIPS64)
#define V8_ASM_DECLARE(NAME) ".global " V8_ASM_MANGLE_LABEL NAME "\n"
#else
#define V8_ASM_DECLARE(NAME) ".local " V8_ASM_MANGLE_LABEL NAME "\n"
#endif
#endif
// Align to kCodeAlignment.
#define V8_ASM_BALIGN32 ".balign 32\n"
#define V8_ASM_LABEL(NAME) V8_ASM_MANGLE_LABEL NAME ":\n"
// clang-format off
#if defined(V8_OS_AIX)
#define V8_EMBEDDED_TEXT_HEADER(LABEL) \
__asm__(V8_ASM_DECLARE(#LABEL) \
".csect " #LABEL "[DS]\n" \
#LABEL ":\n" \
".llong ." #LABEL ", TOC[tc0], 0\n" \
V8_ASM_TEXT_SECTION \
"." #LABEL ":\n");
#define V8_EMBEDDED_RODATA_HEADER(LABEL) \
__asm__(V8_ASM_RODATA_SECTION \
V8_ASM_DECLARE(#LABEL) \
".align 5\n" \
V8_ASM_LABEL(#LABEL));
#else
#define V8_EMBEDDED_TEXT_HEADER(LABEL) \
__asm__(V8_ASM_TEXT_SECTION \
V8_ASM_DECLARE(#LABEL) \
V8_ASM_BALIGN32 \
V8_ASM_LABEL(#LABEL));
#define V8_EMBEDDED_RODATA_HEADER(LABEL) \
__asm__(V8_ASM_RODATA_SECTION \
V8_ASM_DECLARE(#LABEL) \
V8_ASM_BALIGN32 \
V8_ASM_LABEL(#LABEL));
#endif // #if defined(V8_OS_AIX)
#endif // V8_SNAPSHOT_MACROS_H_
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