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Correct. ARM Linux has no support for hardware watchpoints; I don't think any ARM platform has watchpoints that can be used in user space like i386 / ppc do. It might be possible to expose the same watchpoint controller that JTAG would use though.
> continue and it correctly stops the program the first time, but when I > continue again something goes wrong and gdb gets confused. Do you have > any idea why this happens? Am I missing anything here?
A software watchpoint is implemented by repeatedly single stepping. You've stepped into something that confused GDB, probably the start of a PLT stub for a function from a dynamic library. I thought recent ARM GDB would recognize those stubs fine, but I guess something has gone wrong.
Hmm.. a function from a dynamic library? Are you sure? I had only a simple loop where variable "i" was incremented and then I was printing something.
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