Break at address on darwin

Ben L. Titzer
Wed Aug 3 21:00:00 GMT 2011

On Wed, Aug 3, 2011 at 7:05 AM, Pedro Alves <> wrote:
> On Wednesday 03 August 2011 14:45:11, Ben L. Titzer wrote:
>> Yes, 0x1000 is where the program loads its first text page, which is
>> mapped to file offset 0. 0x01114 happens to be the entrypoint
>> instruction. 0x01148 is the address of the first function it calls,
>> which you can see from the assembly listing.
> Okay.  I know close to nothing about Darwin.  Apple
> have their own heavilly modified version of gdb, forked from
> the FSF tree eons ago, so as Tristan said, you need to contact
> them.  Or try current FSF gdb.

Fair enough. I downloaded and built gdb 7.3 for darwin. It segfaults
trying to load symbols from this binary (there are none).

% gdb /tmp/add01
GNU gdb (GDB) 7.3
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin10.8.0".
For bug reporting instructions, please see:
Reading symbols from /private/tmp/add01...Segmentation fault

> --
> Pedro Alves

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