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Re: dwarf_get_cie_* and dwarf_get_fde_* in elfutils
- From: Wu Zhou <woodzltc at cn dot ibm dot com>
- To: Roland McGrath <roland at redhat dot com>
- Cc: Yao Qi <qiyaoltc at cn dot ibm dot com>, frysk <frysk at sourceware dot org>
- Date: Thu, 24 Aug 2006 09:34:32 +0800
- Subject: Re: dwarf_get_cie_* and dwarf_get_fde_* in elfutils
- References: <20060823184924.6DC1D180066@magilla.sf.frob.com>
But from the help message of eu-readelf:
-w, --debug-dump[=SECTION] Display DWARF section content. SECTION can be one
of abbrev, aranges, frame, info, loc, line,
ranges, pubnames, str, or macinfo.
Our understanding is that eu-readelf is supposed to dump the content of .debug_frame, maybe in some
time in the future. Am my understanding right?
Roland McGrath wrote:
libdw does not currently have any code whatsoever to parse .dwarf_frame
section format. That's what DWARF support in libunwind is for. The format
parsing code must already be there in libunwind if any kind of DWARF-based
unwinding has ever worked.