Hello,

I'm trying to create a normal QEmu (x86-64) Image, which I can let run in 
Virtualbox. As a addition I deployed .NET Core, which I got from this side:
https://dotnet.microsoft.com/download/dotnet-core/thank-you/runtime-aspnetcore-3.1.1-linux-x64-binaries

But I can't execute it:
----------------------------
root@qemux86-64:/usr/share/dotnet# ./dotnet
-sh: ./dotnet: No such file or directory


But it is there:
------------------
root@qemux86-64:/usr/share/dotnet# ls -lh
total 116K
-rw-r--r-- 1 root root 1.1K Feb 10 02:33 LICENSE.txt
-rw-r--r-- 1 root root  31K Feb 10 02:33 ThirdPartyNotices.txt
-rwxr-xr-x 1 root root  72K Feb 10 02:33 dotnet
drwxr-xr-x 3 root root 4.0K Feb 10 02:36 host
drwxr-xr-x 4 root root 4.0K Feb 10 02:36 shared


It tried to get more information about the dotnet-executable
------------------------------------------------------------------------------
root@qemux86-64:/usr/share/dotnet# readelf -h dotnet
ELF Header:
  Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              EXEC (Executable file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x402f17
  Start of program headers:          64 (bytes into file)
  Start of section headers:          71032 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         10
  Size of section headers:           64 (bytes)
  Number of section headers:         31
  Section header string table index: 30

root@qemux86-64:/usr/share/dotnet#  file dotnet
dotnet: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically 
linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, 
BuildID[sha1]=28c244c1953bcbee994709a4b849086ee7cf0c99, stripped


I compared those values with that from Python, which does run on this system
-------------------------------------------------------------------------------------------------------
root@qemux86-64:/opt/jre-8/bin# readelf -h /usr/bin/python3.7
ELF Header:
  Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              DYN (Shared object file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x1060
  Start of program headers:          64 (bytes into file)
  Start of section headers:          12568 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         11
  Size of section headers:           64 (bytes)
  Number of section headers:         27
  Section header string table index: 26

root@qemux86-64:/usr/share/dotnet# file /usr/bin/python3.7
/usr/bin/python3.7: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), 
dynamically linked, interpreter /lib/ld-linux-x86-64.so.2, 
BuildID[sha1]=a455873f278466378405802b0e0171337e52a81c, for GNU/Linux 3.2.0, 
stripped

================================================================================

The only difference I found, is that Python is a "ELF 64-bit LSB pie 
executable" whereas dotnet is a "ELF 64-bit LSB executable". I tried to turn 
that PIE (seemed to be a gcc option: --enable-default-pie) feature of, but that 
didn't work well, and I couldn't find a way to remove it.


----

Best regards,

Christian Lohr
Im Auftrag von:
Carl Zeiss Meditec AG
Göschwitzer Strasse 51-52
07745 Jena, Deutschland
[email protected]<mailto:[email protected]>
Tel: +493641220206



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