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