K 10 svn:author V 6 andrew K 8 svn:date V 27 2015-12-23T17:54:19.717755Z K 7 svn:log V 427 Be stricter on which functions we can probe with FBT. We now only check the first instruction to see if it's either a pushm with lr, or a sub with sp. The former is the common case, with the latter used with va_args. This removes 12 probes. These are all hand-written assembly, with a few C functions with no stack usage. Submitted by: Howard Su Differential Revision: https://reviews.freebsd.org/D4419 END