the next step is to include in your C code a small wrapper function around Perl_sv_dump that you can call from gdb

What C. code? He's debugging the perl binary directly, and snooping as it runs on a mini-program specified using the -command line argument.

Unless he wants to customize the perl binary itself, he doesn't have any C. code to add functions to.
--
AC

In reply to Re^2: How to dump perl data structures from gdb by Anonymous Monk
in thread How to dump perl data structures from gdb by ysth

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