3130f89edd
Move gemified xmlrpc into subpackage. Move gemified openssl into subpackage. Tk is removed from stdlib. Extend 'gem_' macros for pre-release version support.
66 lines
1.8 KiB
Ruby
66 lines
1.8 KiB
Ruby
require 'set'
|
|
|
|
LIBRUBY_SO = 'libruby.so'
|
|
PROBES_D = 'probes.d'
|
|
|
|
# These probes are excluded by VM_COLLECT_USAGE_DETAILS ifdef.
|
|
EXCLUDE_PROBES = Set.new %w(insn insn__operand)
|
|
|
|
## Detect SystemTap section headers presence
|
|
|
|
stap_headers = [
|
|
'\.stapsdt\.base',
|
|
'\.note\.stapsdt'
|
|
]
|
|
|
|
header_regexp = %r{ (#{stap_headers.join('|')}) }
|
|
|
|
section_headers = `readelf -S "#{LIBRUBY_SO}"`
|
|
detected_stap_headers = section_headers.scan(header_regexp).flatten
|
|
|
|
# Assume there are both headers until this is proven wrong ;)
|
|
unless detected_stap_headers.size == 2
|
|
puts 'ERROR: SystemTap (DTrace) headers were not detected in resulting library.'
|
|
exit false
|
|
end
|
|
|
|
## Find if every declared probe is propagated to resulting library
|
|
|
|
# Colect probes specified in probes.d file.
|
|
probes_declared = []
|
|
|
|
File.open(PROBES_D) do |file|
|
|
file.each_line do |line|
|
|
if probe = line[/probe (\S+)\(.*\);/, 1]
|
|
probes_declared << probe
|
|
end
|
|
end
|
|
end
|
|
|
|
probes_declared = Set.new probes_declared
|
|
|
|
unless EXCLUDE_PROBES.subset? probes_declared
|
|
puts 'ERROR: Change in SystemTap (DTrace) probes definition file detected.'
|
|
exit false
|
|
end
|
|
|
|
probes_declared -= EXCLUDE_PROBES
|
|
|
|
# Detect probes in resulting library.
|
|
get_probes_detected = %r{
|
|
^\s*Provider:\s+ruby,\s+Name:\s+(\S+),\s+.*$
|
|
}
|
|
|
|
probes_detected = `eu-readelf -n "#{LIBRUBY_SO}"`
|
|
|
|
probes_detected = Set.new probes_detected.scan(get_probes_detected).flatten
|
|
|
|
# Both sets must be equal, otherwise something is wrong.
|
|
unless probes_declared == probes_detected
|
|
puts 'ERROR: SystemTap (DTrace) probes were not correctly propagated into resulting library.'
|
|
puts " Undetected probes: #{(probes_declared - probes_detected).sort.join(', ')}\n",
|
|
" Additional detected probes: #{(probes_detected - probes_declared).sort.join(', ')}"
|
|
|
|
exit false
|
|
end
|