[Bug libc/30173] New: siginfo_t does not provide si_trapno field on alpha

[Bug libc/30173] New: siginfo_t does not provide si_trapno field on alpha

[ldv at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30173

            Bug ID: 30173
           Summary: siginfo_t does not provide si_trapno field on alpha
           Product: glibc
           Version: 2.37
               URL: https://github.com/strace/strace/issues/220
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: ldv at sourceware dot org
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---
              Host: alpha-unknown-linux-gnu
            Target: alpha-unknown-linux-gnu
             Build: alpha-unknown-linux-gnu
             Flags: security-

Starting with commit 4c0a1e6392fc9f667dba272dc13d94dc5c54813e aka
glibc-2.20~469, siginfo_t no longer provides si_trapno field on alpha, despite
that the linux kernel headers still provide it.

This regression was discovered accidentally when strace-5.19 started to use
si_trapno and subsequently failed to build on alpha in the debian buildd
infrastructure.

Also note that linux kernel commit add0b32ef9146a8559a60aed54c37692a5f9d34f aka
v5.13-rc3~17^2~4 moved si_trapno inside the union, that change resulted in a
difference in siginfo field placement on sparc and alpha for the fields
si_addr_lsb, si_lower, si_upper, and si_pkey.  This means that glibc definition
of siginfo_t is out of sync with the kernel one not just on alpha but on sparc
as well.

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[Bug libc/30173] siginfo_t does not provide si_trapno field on alpha

[matoro_bugzilla_glibc at matoro dot tk]

https://sourceware.org/bugzilla/show_bug.cgi?id=30173

matoro <matoro_bugzilla_glibc at matoro dot tk> changed:

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                 CC|                            |matoro_bugzilla_glibc@mator
                   |                            |o.tk

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[Bug libc/30173] siginfo_t does not provide si_trapno field on alpha

[mattst88 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=30173

Matt Turner <mattst88 at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |mattst88 at gmail dot com

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[Bug libc/30173] siginfo_t does not provide si_trapno field on alpha

[sam at gentoo dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30173

Sam James <sam at gentoo dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |sam at gentoo dot org

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