June 2017
Intermediate to advanced
478 pages
13h 14m
English
Content preview from Mastering Embedded Linux Programming - Second Edition
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Running to a breakpoint
Gdbserver loads the program into memory and sets a breakpoint at the first instruction, then waits for a connection from GDB. When the connection is made, you enter into a debug session. However, you will find that if you try to single-step immediately, you will get this message:
Cannot find bounds of current function
This is because the program has been halted in code written in assembly which creates the runtime environment for C and C++ programs. The first line of C or C++ code is the main() function. Supposing that you want to stop at main(), you would set a breakpoint there and then use the continue command (abbreviation c) to tell gdbserver to continue from the breakpoint at the start of the program and stop ...
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