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-- -----------------------------------------------------------------------------
--
-- (c) The University of Glasgow, 2011
--
-- Generate code to initialise cost centres
--
-- -----------------------------------------------------------------------------
module ProfInit (profilingInitCode) where
import CLabel
import CostCentre
import Outputable
import StaticFlags
import FastString
import Module
-- -----------------------------------------------------------------------------
-- Initialising cost centres
-- We must produce declarations for the cost-centres defined in this
-- module;
profilingInitCode :: Module -> CollectedCCs -> SDoc
profilingInitCode this_mod (local_CCs, ___extern_CCs, singleton_CCSs)
| not opt_SccProfilingOn = empty
| otherwise
= vcat
[ text "static void prof_init_" <> ppr this_mod
<> text "(void) __attribute__((constructor));"
, text "static void prof_init_" <> ppr this_mod <> text "(void)"
, braces (vcat (
map emitRegisterCC local_CCs ++
map emitRegisterCCS singleton_CCSs
))
]
where
emitRegisterCC cc =
ptext (sLit "extern CostCentre ") <> cc_lbl <> ptext (sLit "[];") $$
ptext (sLit "REGISTER_CC(") <> cc_lbl <> char ')' <> semi
where cc_lbl = ppr (mkCCLabel cc)
emitRegisterCCS ccs =
ptext (sLit "extern CostCentreStack ") <> ccs_lbl <> ptext (sLit "[];") $$
ptext (sLit "REGISTER_CCS(") <> ccs_lbl <> char ')' <> semi
where ccs_lbl = ppr (mkCCSLabel ccs)
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