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ELF and DWARF for
Linux for S/390 and zSeries
General ELF Information:
ELF (Executable and Linkable Format) is the object file, executable program, shared object and core file format for Linux and many UNIX operating systems. The ELF base documentation is for the Intel x86 platform in PDF format. Also see the FreeBSD “man” page for ELF (5) and the Linux 2.4 /usr/include/elf.h file.

Debugging Information:
The traditional format for debugging information is called STAB (Symbol Table). STAB information is saved in the .stab and .stabstr sections of an ELF file. The STAB documentation is available in HTML format.

DWARF (Debug With Arbitrary Record Format) is a more recent format for debugging information for ELF files. The DWARF documentation is in PDF format.

Linux for S/390 and zSeries Information:
IBM has published two documents describing the ELF characteristics specific to Linux for S/390 and Linux for zSeries. An overview of ELF and Linux for S/390 and zSeries in PDF format can also be found in the SHARE 99 session 8139 handout.

ELF Support in the Tachyon z/Assembler
The Tachyon z/Assembler can create ELF object files from both HLASM-style source code and GNU assembler source code, including the output generated by GCC.

ELF Dump Program:
Tachyon Software has released an ELF file dump program. The source and executable are available for:
Windows: http://www.tachyonsoft.com/downloads/elfdump.zip
Linux (Intel x86): http://www.tachyonsoft.com/downloads/elfdump_linux.tar.gz
Linux for S/390: http://www.tachyonsoft.com/downloads/elfdump_l390.tar.gz
Trademark acknowledgments Copyright© 2002-2008 Tachyon Software® LLC Last modified on September 15, 2008