RealView RVCT Compiler Reference Guide v4.0

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"RVCT ARM compiler reference guide 是一份由ARM Limited发布的关于RealView编译工具的版本4.0的编译器参考指南。该文档详细介绍了如何使用ARM编译器进行软件开发，适用于非保密、无限制访问。文档涵盖了从2007年到2009年的版权信息，并指出其中的商标和标识符属于ARM Limited在欧盟和其他国家的注册商标。" 本文档是针对RealView Compilation Tools的Compiler Reference Guide，主要面向使用ARM架构进行嵌入式系统开发的工程师。以下是一些关键知识点： 1. **ARM编译器**: RVCT (RealView编译工具) 提供了对ARM处理器架构的优化编译支持，能够将高级语言代码转换为高效的机器代码，以提高执行效率和性能。 2. **版本信息**: 版本4.0表示这是一个经过多次迭代和改进的成熟产品，可能包含了新的特性和性能提升。 3. **编译器参考**: 这份指南详细列出了编译器的用法、选项、语法和指令集，是开发者理解和调试ARM编译器的关键资源。 4. **持续发展与改进**: ARM编译器产品不断进行更新和优化，意味着开发者需要定期检查新版本以获取最新的功能和错误修复。 5. **版权与许可**: 文档中强调了未经版权所有者书面许可，不得复制或改编其中的任何信息，这保护了ARM的技术知识产权。 6. **商标和品牌**: ARM Limited的商标和标识受到法律保护，其他品牌和名称可能属于各自所有者的商标。 7. **产品细节与使用**: 文档中提供的产品信息和使用指导基于公平原则，旨在帮助用户有效利用ARM编译器进行开发。 8. **技术支持**: 虽然文档提供了详尽的参考信息，但可能需要联系ARM Limited以获取更具体的技术支持或获取最新更新。这份指南对于使用ARM架构的软件开发者来说至关重要，因为它提供了编译器的详细使用指南，帮助他们理解如何编写高效的代码，优化性能，并遵循最佳实践。通过深入学习和应用，开发者可以更好地利用RVCT工具，提升嵌入式系统的性能和稳定性。

Introduction

Non-Confidential, Unrestricted Access ID090307

Strict C99 Means C as defined by the 1999 C standard and addenda.

Standard C Means C90 or C99 as appropriate.

C Means any of C90, strict C90, C99, and Standard C.

See also

• --cpp on page 2-30

• Language extensions and language compliance on page 1-5

• Appendix C Standard C++ Implementation Definition.

Introduction

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1.4 The C and C++ libraries

RVCT provides the following runtime C and C++ libraries:

The ARM C libraries

The ARM C libraries provide standard C functions, and helper functions

used by the C and C++ libraries. The C libraries also provide

target-dependent functions that are used to implement the standard C

library functions such as

printf

in a semihosted environment. The C

libraries are structured so that you can redefine target-dependent

functions in your own code to remove semihosting dependencies.

The ARM libraries comply with:

• the C Library ABI for the ARM Architecture (CLIBABI)

• the C++ ABI for the ARM Architecture (CPPABI).

See ABI for the ARM Architecture compliance on page 1-4 in the

Libraries and Floating Point Support Guide for more information.

Rogue Wave Standard C++ Library version 2.02.03

The Rogue Wave Standard C++ Library, as supplied by Rogue Wave

Software, Inc., provides standard C++ functions and objects such as

cout

It includes data structures and algorithms known as the Standard

Template Library (STL). The C++ libraries use the C libraries to provide

target-specific support. The Rogue Wave Standard C++ Library is

provided with C++ exceptions enabled.

For more information on the Rogue Wave libraries, see the Rogue Wave

HTML documentation and the Rogue Wave web site at:

http://www.roguewave.com

Support libraries

The ARM C libraries provide additional components to enable support

for C++ and to compile code for different architectures and processors.

The C and C++ libraries are provided as binaries only. There is a variant of the 1990

ISO Standard C library for each combination of major build options, such as the byte

order of the target system, whether interworking is selected, and whether floating-point

support is selected.

See Chapter 2 The C and C++ Libraries in the Libraries and Floating Point Support

Guide for more information.

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