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About Arm® Compiler tools

Arm® Compiler tools enable you to build applications and libraries suitable for bare-metal embedded systems.

DS-5 provides two versions of Arm Compiler for compiling embedded and bare-metal applications:

  • Arm Compiler 5 - Supports all Arm architectures from Armv4 to Armv7 inclusive.

    Note

    All architectures before Armv4 are obsolete and are no longer supported by Arm Compiler 5.
  • Arm Compiler 6 - Supports Armv6-M, Armv7, and Armv8 architectures. Arm Compiler 6 also supports the SVE architectural extensions. This toolchain is recommended for software development targeting Armv8-A with the SVE architectural extensions for High Performance Computing (HPC).

You can use them to build your applications from either the command-line or within Eclipse.

Table 1-1 Arm Compiler Tools

Tool

Description

armar

Librarian. This enables sets of ELF format object files to be collected together and maintained in archives or libraries. You can pass such a library or archive to the linker in place of several ELF files. You can also use the archive for distribution to a third party for application development.

armasm

Assembler. This assembles Arm and Thumb assembly language sources.

armcc

Arm Compiler 5. This compiles your C and C++code. It supports inline and embedded assemblers.

armclang Arm Compiler 6 and Assembler. This compiles C and C++ code, and assembles A32, A64, and T32 GNU syntax assembly code. The armclang compiler also contains an advanced auto-vectorizer, capable of taking advantage of SVE features. armclang is also able to compile assembly files containing SVE instructions. It supports inline GNU syntax assembly code.

armlink

Linker. This combines the contents of one or more object files with selected parts of one or more object libraries to produce an executable program.

fromelf

Image conversion utility. This can also generate textual information about the input image, such as disassembly and its code and data size.

llvm‑objdump Use the llvm‑objdump tool with the SVE target feature enabled to display the details and contents of an ELF-format binary file. This includes disassembly of the text section of an object containing SVE instructions.

Note

Arm Compiler is license managed. Specific features depend on your installed license.

For example, a license might limit the use of Arm Compiler to specific processor types, or place a maximum limit on the size of images that can be produced, or require that you work with proprietary format (ORC) objects instead of ELF format objects.

You can enable additional features by purchasing a license for the full DS-5 suite. Contact your tools supplier for details.

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