CONFIG_DEBUG_INFO_DWARF4: Generate DWARF Version 4 debuginfo

General informations

The Linux kernel configuration item CONFIG_DEBUG_INFO_DWARF4 has multiple definitions:

Generate DWARF Version 4 debuginfo found in lib/Kconfig.debug

The configuration item CONFIG_DEBUG_INFO_DWARF4:

• prompt: Generate DWARF Version 4 debuginfo
• type: bool
• depends on: ! CONFIG_CC_IS_CLANG || CONFIG_AS_IS_LLVM || ( CONFIG_AS_IS_GNU && CONFIG_AS_VERSION >= CONFIG_23502 )
• defined in lib/Kconfig.debug
• found in Linux kernels: 5.12–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Generate DWARF v4 debug info. This requires gcc 4.5+, binutils 2.35.2 if using clang without clang's integrated assembler, and gdb 7.0+.

If you have consumers of DWARF debug info that are not ready for newer revisions of DWARF, you may wish to choose this or have your config select this.

Generate dwarf4 debuginfo found in lib/Kconfig.debug

The configuration item CONFIG_DEBUG_INFO_DWARF4:

• prompt: Generate dwarf4 debuginfo
• type: bool
• depends on: $( CONFIG_cc-option,-gdwarf-4 )
• defined in lib/Kconfig.debug
• found in Linux kernels: 3.17–3.19, 4.0–4.20, 5.0–5.11

Help text

Generate dwarf4 debug info. This requires recent versions of gcc and gdb. It makes the debug information larger. But it significantly improves the success of resolving variables in gdb on optimized code.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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