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| author | Araq <rumpf_a@web.de> | 2013-10-06 00:10:45 +0200 |
|---|---|---|
| committer | Araq <rumpf_a@web.de> | 2013-10-06 00:10:45 +0200 |
| commit | ac474a281204fbbc5cfa817106c0b4c745240f18 (patch) | |
| tree | 23f375796f3f67f88422d1906c8e70411d5e2b7b /compiler/cgen.nim | |
| parent | 422327c01005ae0c7c7238636a96e741923a77d8 (diff) | |
| download | Nim-ac474a281204fbbc5cfa817106c0b4c745240f18.tar.gz | |
'noStackFrame' implies 'naked' in the generated C code
Diffstat (limited to 'compiler/cgen.nim')
| -rw-r--r-- | compiler/cgen.nim | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/compiler/cgen.nim b/compiler/cgen.nim index d61d3055e..910e675e1 100644 --- a/compiler/cgen.nim +++ b/compiler/cgen.nim @@ -761,6 +761,7 @@ proc genProcAux(m: BModule, prc: PSym) = if skipTypes(res.typ, abstractInst).kind == tyArray: incl(res.loc.flags, lfIndirect) res.loc.s = OnUnknown + for i in countup(1, sonsLen(prc.typ.n) - 1): var param = prc.typ.n.sons[i].sym if param.typ.isCompileTimeOnly: continue @@ -768,7 +769,9 @@ proc genProcAux(m: BModule, prc: PSym) = closureSetup(p, prc) genStmts(p, prc.getBody) # modifies p.locals, p.init, etc. var generatedProc: PRope - if sfPure in prc.flags: + if sfPure in prc.flags: + if hasNakedDeclspec in extccomp.CC[extccomp.ccompiler].props: + header = con("__declspec(naked) ", header) generatedProc = rfmt(nil, "$N$1 {$n$2$3$4}$N$N", header, p.s(cpsLocals), p.s(cpsInit), p.s(cpsStmts)) else: @@ -801,8 +804,11 @@ proc genProcPrototype(m: BModule, sym: PSym) = app(m.s[cfsVars], rfmt(nil, "extern $1 $2;$n", getTypeDesc(m, sym.loc.t), mangleDynLibProc(sym))) if gCmd == cmdCompileToLLVM: incl(sym.loc.flags, lfIndirect) - elif not ContainsOrIncl(m.declaredProtos, sym.id): - app(m.s[cfsProcHeaders], rfmt(nil, "$1;$n", genProcHeader(m, sym))) + elif not ContainsOrIncl(m.declaredProtos, sym.id): + var header = genProcHeader(m, sym) + if sfPure in sym.flags and hasNakedAttribute in CC[ccompiler].props: + header.app(" __attribute__((naked))") + app(m.s[cfsProcHeaders], rfmt(nil, "$1;$n", header)) proc genProcNoForward(m: BModule, prc: PSym) = fillProcLoc(prc) |