ptrace(PT_GET_ABI_NAME)

[kib]

Summary

This covers the immediate need of truss(1), allowing to postpone pdkinfo(2).

[kib]

Use the right target process.

[markj]

lib/libsys/ptrace.2

1111 ↗

(On Diff #184762)

Or "defines how system call numbers and arguments are interpreted."

Or "the ABI selects the system call table used by the process."

1116 ↗

(On Diff #184762)

IMO this makes it slightly more obvious that the nul-terminator is included.

sys/compat/freebsd32/freebsd32_misc.c

1257

udata <= strlen(...) is a signed/unsigned comparison, no? Don't we thus need an explicit check for udata < 0?

sys/kern/sys_process.c

889

Same comment about negative data.

2026

Shouldn't truncation result in an error?

[kib]

Fix signed/unsigned comparison.
Report error on too long ABI name.
Man page improvements.