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[Libunwind-devel] Question about unwinding methods in ARM

From: Harald Servat
Subject: [Libunwind-devel] Question about unwinding methods in ARM
Date: Fri, 11 Dec 2015 09:22:35 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0

Hello list,

where can I get some information regarding the UNW_ARM_UNWIND_METHOD environment variable? I looked into include/tdep-arm/libunwind_i.h and I found the following alternatives

310 /* unwinding method selection support */
311 #define UNW_ARM_METHOD_ALL          0xFF
312 #define UNW_ARM_METHOD_DWARF        0x01
313 #define UNW_ARM_METHOD_FRAME        0x02
314 #define UNW_ARM_METHOD_EXIDX        0x04

but I haven't found a description. What can and I can't get by using each of them?

Thank you very much!

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