ARM Compiler toolchain Using the Linker - ARM Information Center

Chapter 10
BPABI and SysV shared libraries and executables
The following topics describe how the linker, armlink, supports the Base Platform Application
Binary Interface (BPABI) and System V (SysV) shared libraries and executables:
Concepts
• About the Base Platform Application Binary Interface (BPABI) on page 10-3
• Platforms supported by the BPABI on page 10-4
• Concepts common to all BPABI models on page 10-5
• About importing and exporting symbols for BPABI models on page 10-6
• Symbol visibility for BPABI models on page 10-7
• Automatic import and export for BPABI models on page 10-9
• Manual import and export for BPABI models on page 10-10
• Symbol versioning for BPABI models on page 10-11
• RW compression for BPABI models on page 10-12
• Linker options for SysV models on page 10-13
• SysV memory model on page 10-14
• Automatic dynamic symbol table rules in the SysV memory model on page 10-15
• Addressing modes in the SysV memory model on page 10-17
• Thread local storage in the SysV memory model on page 10-18
• Changes to command-line defaults with the SysV memory model on page 10-20
• Linker options for bare metal and DLL-like models on page 10-21
• Bare metal and DLL-like memory model on page 10-22
• Mandatory symbol versioning in the BPABI DLL-like model on page 10-23
• Automatic dynamic symbol table rules in the BPABI DLL-like model on page 10-24
• Addressing modes in the BPABI DLL-like model on page 10-25
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