The Official Radare2 Book

Debugging

It is common to have an issues when you write a plugin, especially if you do this for the first time. This is why debugging them is very important. The first step for debugging is to set an environment variable when running radare2 instance:

R_DEBUG=yes r2 /bin/ls

Loading /usr/local/lib/radare2/2.2.0-git//bin_xtr_dyldcache.so

Cannot find symbol 'radare_plugin' in library '/usr/local/lib/radare2/2.2.0-git//bin_xtr_dyldcache.so'

Cannot open /usr/local/lib/radare2/2.2.0-git//2.2.0-git

Loading /home/user/.config/radare2/plugins/asm_mips_ks.so

PLUGIN OK 0x55b205ea6070 fcn 0x7f298de08762

Loading /home/user/.config/radare2/plugins/asm_sparc_ks.so

PLUGIN OK 0x55b205ea6070 fcn 0x7f298de08762

Cannot open /home/user/.config/radare2/plugins/pimp

Cannot open /home/user/.config/radare2/plugins/yara

Loading /home/user/.config/radare2/plugins/asm_arm_ks.so

PLUGIN OK 0x55b205ea6070 fcn 0x7f298de08762

Loading /home/user/.config/radare2/plugins/core_yara.so

Module version mismatch /home/user/.config/radare2/plugins/core_yara.so (2.1.0) vs (2.2.0-git)

Loading /home/user/.config/radare2/plugins/asm_ppc_ks.so

PLUGIN OK 0x55b205ea6070 fcn 0x7f298de08762

Loading /home/user/.config/radare2/plugins/lang_python3.so

PLUGIN OK 0x55b205ea5ed0 fcn 0x7f298de08692

Loading /usr/local/lib/radare2/2.2.0-git/bin_xtr_dyldcache.so

Cannot find symbol 'radare_plugin' in library '/usr/local/lib/radare2/2.2.0-git/bin_xtr_dyldcache.so'

Cannot open /usr/local/lib/radare2/2.2.0-git/2.2.0-git

Cannot open directory '/usr/local/lib/radare2-extras/2.2.0-git'

Cannot open directory '/usr/local/lib/radare2-bindings/2.2.0-git'

USER CONFIG loaded from /home/user/.config/radare2/radare2rc

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