On 2026-01-16 21:05, Mark Roberts wrote:
I'd like to be able to use Valgrind on both x86 and x86-64 binaries running
on my x64-64 linux system. I quite familiar with building and using
Valgrind on X86-64 binaries, we use Valgrind as the framework to build our
DynComp tool to do comparability analysis and type inference of C/C++
programs. I would like to do the same for x86 binaries, but I am unsure of
the process to setup a secondary target.
Hi Mark
What OS are you using?
At the moment I mainly use FreeBSD amd64, Fedora Linux amd64 and a bit
of openSUSE amd64.
For systems where I have the full 32bit subsystem installed then all I
have to do is run
configure.
Autoconf should detect both amd64 and x86 and build both of them.
So really all that you need to to is to install the x86 libc. You need
the x86 C++ standard lib if you want to run the regression tests.
openSUSE has removed the x86 startup file from gcc so it can no longer
build x86 binaries (it will still run them). So in some cases you may
need to build a compiler for the platform.
Regards
Paul
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