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33
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votes
1
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gdb setting fs register on Linux
I'm debugging an ELF 64-bit binary using gdb and I notice that the %fs register is set to 0x63. For some testing that I'd like to perform I'd like to set the %fs register to 0x00.
I tried doing a set ...
user1743
10
votes
2
answers
3k
views
Attaching GDB to a specific fork
I am trying to reverse engineer a Linux binary that makes several fork() calls. I am using GDB 7.5 on Ubuntu. What I am trying to do with GDB is attach to a certain fork() (say the second call). Is ...
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123
votes
2
answers
100k
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How to handle stripped binaries with GDB? No source, no symbols and GDB only shows addresses?
I have GDB but the binary I want to reverse engineer dynamically has no symbols. That is, when I run the file utility it shows me stripped:
ELF 64-bit LSB executable, x86-64, version 1 (SYSV), ...
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