[eresi-dev] Is etrace able to trace (GCC)c++ simbols ?

Groleo Marius groleo at gmail.com
Tue Sep 15 19:46:35 UTC 2009


I managed to get the profiler to print the section name. This is the first
page of tracerun with profile enable warn


(etrace-0.82-b2-dev at local) tracerun

 [W]             <elfsh_get_section_by_type_withlist at section.c:363> Section
not found ..
 [W]            <elfsh_get_section_by_type at section.c:410>  Section remained
unfound
 [W]           <elfsh_get_reloc at reloc.c:279>              Unable to get
reloc section
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_macinfo]
 [W]            <elfsh_get_dwarf_macinfo at dwarf.c:301>      Unable to find
Dwarf abbrev table
 [W]             <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]            <elfsh_get_section_by_name at section.c:302>  Section not
found[.stab]
 [W]           <elfsh_get_stab at stab.c:63>                 Unable to get
STABS by name
 [W]             <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]            <elfsh_get_section_by_name at section.c:302>  Section not
found[.stab]
 [W]           <elfsh_get_stab at stab.c:63>                 Unable to get
STABS by name
 [W]             <elfsh_get_section_by_type_withlist at section.c:363> Section
not found ..
 [W]            <elfsh_get_section_by_type at section.c:410>  Section remained
unfound
 [W]           <elfsh_get_verdeftab at version.c:1408>       Unable to find
Definition Version section
 [W]           <elfsh_get_notes at notes.c:59>               Corrupted Notes
section
 [W]            <elfsh_get_sym_by_value at sym_common.c:308>  No exact symbol
matching
 [W]          <elfsh_get_dynsymbol_by_name at dynsym.c:386> Symbol not found
 [W]          <elfsh_get_dynsymbol_by_name at dynsym.c:386> Symbol not found
 [W]          <elfsh_get_dynsymbol_by_name at dynsym.c:386> Symbol not found
 [W]          <elfsh_get_dynsymbol_by_name at dynsym.c:386> Symbol not found
 [W]          <elfsh_get_dynsymbol_by_name at dynsym.c:386> Symbol not found
 [W]          <elfsh_get_dynsymbol_by_name at dynsym.c:386> Symbol not found
 [W]          <elfsh_get_dynsymbol_by_name at dynsym.c:386> Symbol not found
 [W]          <elfsh_get_dynsymbol_by_name at dynsym.c:386> Symbol not found
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]               <elfsh_load_pht at pht.c:402>                 No PHT
 [W]              <elfsh_get_parent_segment at pht.c:465>       Unable to get
parent PHDR
 [W]            <elfsh_load_pht at pht.c:402>                 No PHT
 [W]           <elfsh_get_pht at pht.c:538>                  Unable to load PHT
 [W]             <elfsh_get_section_by_type_withlist at section.c:363> Section
not found ..
 [W]            <elfsh_get_section_by_type at section.c:410>  Section remained
unfound
 [W]           <elfsh_get_reloc at reloc.c:279>              Unable to get
reloc section
 [W]                <elfsh_get_section_by_name_withlist at section.c:264>
Section not found[.strtab]
 [W]               <elfsh_get_section_by_name at section.c:302>  Section not
found[.interp]
 [W]              <elfsh_get_interp at interp.c:63>             Unable to get
.interp by name
 [W]                <elfsh_get_section_by_name_withlist at section.c:264>
Section not found[.strtab]
 [W]               <elfsh_get_section_by_name at section.c:302>  Section not
found[.interp]
 [W]              <elfsh_get_interp at interp.c:63>             Unable to get
.interp by name
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_info]
 [W]            <elfsh_get_dwarf_info at dwarf.c:71>          Unable to find
Dwarf info table
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_abbrev]
 [W]            <elfsh_get_dwarf_abbrev at dwarf.c:117>       Unable to find
Dwarf abbrev table
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_aranges]
 [W]            <elfsh_get_dwarf_aranges at dwarf.c:163>      Unable to find
Dwarf aranges table
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_frame]
 [W]            <elfsh_get_dwarf_frame at dwarf.c:209>        Unable to find
Dwarf frame table
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_line]
 [W]            <elfsh_get_dwarf_line at dwarf.c:255>         Unable to find
Dwarf line table
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_macinfo]
 [W]            <elfsh_get_dwarf_macinfo at dwarf.c:301>      Unable to find
Dwarf abbrev table
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_pubnames]
 [W]            <elfsh_get_dwarf_pubnames at dwarf.c:347>     Unable to find
Dwarf pubnames table
 [W]              <elfsh_get_section_by_name_withlist at section.c:264> Section
not found[.strtab]
 [W]             <elfsh_get_section_by_name at section.c:302>  Section not
found[.debug_str]


On Tue, Sep 15, 2009 at 8:59 PM, Julien Vanegue <julien.vanegue at gmail.com>wrote:

> Etrace has never been tested on C++ and the reason why it doesnt work I
> think is because mangled symbols, for which we have no support.
>
> I guess supporting a C++ aware  e2dbg/etrace would be a nice project but we
> have no resource for it by now!
>
> Julien
>
> On Tue, Sep 15, 2009 at 1:10 AM, Groleo Marius <groleo at gmail.com> wrote:
>
>> Hi,
>>
>> I've checked out the svn tree and run a simple test to see if etrace can
>> trace a foo() function inside a c++ program. I tried to trace using
>> the _Z encoded function name but with no luck; does etrace support
>> tracing c++ symbols ?
>>
>> --
>> Regards, Groleo!
>>
>> _______________________________________________
>> eresi-dev mailing list
>> eresi-dev at lists.einherjar.de
>> http://lists.einherjar.de/mailman/listinfo/eresi-dev
>>
>>
>
> _______________________________________________
> eresi-dev mailing list
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>
>


-- 
Regards, Groleo!
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