How To Easily Repair Base Debug File Without GDB

 

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    Over the past few weeks, some of our users have informed us that they have encountered a basic debug file without GDB.

     

     

    I want to return to access to the saved images by simply dumping the kernel of a program that has no debug symbols (I feel the need to do this in C). When I open the program, and thus the kernel dump in GDB, I get a stack trace with the function names. For example:

      (gdb) bt# 0 0x08048443 on layer 3 ()# 1 0x08048489 in layer2 ()# 2 0x080484c9 in layer1 ()# 3 0x0804854e when it comes to main () 

    The names of all functions are stored in the exe in the .strtab section. How can I build a stack for tracing with different images? It is not possible to run GDB in batch mode. And just “copy this, you see that parts of gdb were used” is also a bad idea, because the code is not written independently of each other.

    To ask my question in more detail, where can I find use in a kernel dump, where can I start reading the stack details? Is there some kind of library to access this information? Any framework I can use? Or maybe better, some documentation on how this information is structured in an abdominal dump?

    (I’ve already seen the question “How can I generate a stack trace from an actual file givein memory in No Celsius, calling an external tool, for example, mainly because of gdb “, but since there is no correct answer, I thought, I’ll ask again)

    30.1k

    May only asked for fourteen 12 at 2:18 pm.

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    Not The Formula You Are Looking For? Check Out The Other Basic Questions Tagged Gdb Stack Frames Coredump, Also Known As Ask Your Own Question.

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  • Coredump also contains information about the stack. If anyone can use this information about artWith the build values ​​EBP and EIP in the coredump file, the client can print the stack trace. I wrote a program for this. You can find the drug at the following link.

      http://www.emntech.com/programs/corestrace.c 

    debug core file without gdb

    Usage: compile the above TV show and main file when you run them.

      core $ coretrace 

    If customers also want the icons to be displayed, do the following: Let’s say the program that generated the belly area is called Test.

      $ nm test -deborah> symbols       Corestrace Foundation Symbols 
      rr ./coretrace base symbols        0x80483cd foo + 0x9        0x8048401 function + 0x1f        Primary 0x8048430 + 0x2d 

    debug core file without gdb

    received a reply on May 15, 12 at 12:55 pm.

     

     

    Speed up your PC today with this easy-to-use download.

    How do I debug a core file?

    Debug the main file in the same operating environment. If the core file is not in the current directory, you can specify its path (for example, / tmp / core). Use the where command (see The where Command), which allows you to determine where the program ran, even if it dropped the kernel.

    How do I debug a core dump?

    2 reviews. All you need is a binary (with debug symbols), which is probablythe same one that created the core dump file. Then you can use gdb-path / to / the / binary path / to / core / dump / file to debug it. When it starts up, you can use British Telecom (for backtrace) to track the stack since it crashed.

    How do I read a core dump file?

    In the case of a kernel file, it is absolutely necessary to use a debugger (GDB) to check the overall state of the process after it terminates and often to identify the line of code that caused the crash. This is a situation where you can create a main file to host, but this is not the default.

     

     

     

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