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b91f93a02c
Add debuginfod support to core_target::build_file_mappings and locate_exec_from_corefile_build_id to enable the downloading of missing executables and shared libraries referenced in core files. Also add debuginfod support to solib_map_sections so that previously downloaded shared libraries can be retrieved from the local debuginfod cache. When core file shared libraries are found locally, verify that their build-ids match the corresponding build-ids found in the core file. If there is a mismatch, attempt to query debuginfod for the correct build and print a warning if unsuccessful: warning: Build-id of /lib64/libc.so.6 does not match core file. Also disable debuginfod when gcore invokes gdb. Debuginfo is not needed for core file generation so debuginfod queries will slow down gcore unnecessarily.
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.