CONFIG_DEBUG_INFO_BTF: Generate BTF type information

General informations

The Linux kernel configuration item CONFIG_DEBUG_INFO_BTF has multiple definitions:

Generate BTF type information found in lib/Kconfig.debug

The configuration item CONFIG_DEBUG_INFO_BTF:

• prompt: Generate BTF type information
• type: bool
• depends on: (! CONFIG_DEBUG_INFO_SPLIT && ! CONFIG_DEBUG_INFO_REDUCED ) && (! CONFIG_GCC_PLUGIN_RANDSTRUCT || CONFIG_COMPILE_TEST ) && ( CONFIG_BPF_SYSCALL ) && ( CONFIG_PAHOLE_VERSION >= CONFIG_116 ) && ( CONFIG_DEBUG_INFO_DWARF4 || CONFIG_PAHOLE_VERSION >= CONFIG_121 ) && (! CONFIG_HEXAGON )
• defined in lib/Kconfig.debug
• found in Linux kernels: 6.9–6.12, 6.13-rc+HEAD

Help text

Generate deduplicated BTF type information from DWARF debug info. Turning this on requires pahole v1.16 or later (v1.21 or later to support DWARF 5), which will convert DWARF type info into equivalent deduplicated BTF type info.

Generate BTF typeinfo found in lib/Kconfig.debug

The configuration item CONFIG_DEBUG_INFO_BTF:

• prompt: Generate BTF typeinfo
• type: bool
• depends on: (! CONFIG_DEBUG_INFO_SPLIT && ! CONFIG_DEBUG_INFO_REDUCED ) && (! CONFIG_GCC_PLUGIN_RANDSTRUCT || CONFIG_COMPILE_TEST ) && ( CONFIG_BPF_SYSCALL ) && (! CONFIG_DEBUG_INFO_DWARF5 || CONFIG_PAHOLE_VERSION >= CONFIG_121 ) && (! CONFIG_HEXAGON )
• defined in lib/Kconfig.debug
• found in Linux kernels: 5.2–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Generate deduplicated BTF type information from DWARF debug info. Turning this on expects presence of pahole tool, which will convert DWARF type info into equivalent deduplicated BTF type info.

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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