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Re: Reading memory from inferior at given pointer
- From: Tom Tromey <tromey at redhat dot com>
- To: Weller <weller at bfw-online dot de>
- Cc: gdb at sourceware dot org
- Date: Tue, 23 Apr 2013 12:26:54 -0600
- Subject: Re: Reading memory from inferior at given pointer
- References: <20130419104524 dot GA32527 at bfw-online dot de>
>>>>> ">" == Weller <weller@bfw-online.de> writes:
>> Which allows me to read the long and double values just fine. But my
>> hurdle is reading the char *. Which no matter which function I try
>> always results in a bad address from which I can't read the correct
>> string. I tried different functions mentioned in 9.3 of "GDB Internal"
>> and also looked around in different language implementations. But I am
>> clearly doing something wrong here.
>> Which would be the correct way to read from this memory area from the
>> inferior process? Any help would be appreciated.
Are you trying to see the value of the pointer, or the pointed-to
characters?
To get the pointer I would use the various "value" APIs (see
gdb/value.h) to extract the field from the value returned by
call_function_by_hand.
For the characters, you can use read_string.
Tom