[Bug 240432] Linuxulator: uname (function) reports i686 machine to 32-bit executables on amd64

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Sep 9 05:35:15 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240432

            Bug ID: 240432
           Summary: Linuxulator: uname (function) reports i686 machine to
                    32-bit executables on amd64
           Product: Base System
           Version: 12.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: iwtcex at gmail.com

Consider the following program compiled with -m32 flag:

#include <stdio.h>
#include <sys/utsname.h>

int main() {
  struct utsname name;
  uname(&name);
  printf("machine: %s\n", name.machine);  
  return 0;
}

This prints "machine: i686" under Linuxulator, while Ubuntu 18.04 gives me
"machine: x86_64".

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