diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 9 | ||||
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 16 |
2 files changed, 23 insertions, 2 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index 69b930b55ac..49c3ea8c4cb 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -1247,9 +1247,14 @@ namespace { Define(Defines, "__pic16"); Define(Defines, "rom", "__attribute__((address_space(1)))"); Define(Defines, "ram", "__attribute__((address_space(0)))"); - Define(Defines, "_section(SectName)", "__attribute__((section(SectName)))"); - Define(Defines, "_address(Addr)","__attribute__((section(\"Address=\"#Addr)))"); + Define(Defines, "_section(SectName)", + "__attribute__((section(SectName)))"); + Define(Defines, "_address(Addr)", + "__attribute__((section(\"Address=\"#Addr)))"); Define(Defines, "_CONFIG(conf)", "asm(\"CONFIG \"#conf)"); + Define(Defines, "_interrupt", + "__attribute__((section(\"interrupt=0x4\"))) \ + __attribute__((used))"); } virtual void getTargetBuiltins(const Builtin::Info *&Records, unsigned &NumRecords) const {} diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index f2a0ed7e04c..060b4f436a7 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -1240,6 +1240,22 @@ void Sema::CheckFallThroughForBlock(QualType BlockTy, Stmt *Body) { /// parameters are complete. bool Sema::CheckParmsForFunctionDef(FunctionDecl *FD) { bool HasInvalidParm = false; + + // PIC16 uses section string to encode the info about ISR. + // Flash error if ISR has arguments. + const char *TargetPrefix = Context.Target.getTargetPrefix(); + if (strcmp(TargetPrefix, "pic16") == 0) { + unsigned ParamCount = FD->getNumParams(); + if (const SectionAttr *SA = FD->getAttr<SectionAttr>()) { + const std::string &SecString = SA->getName(); + if (SecString.find("interrupt") != std::string::npos + && ParamCount > 0) { + Diag(FD->getLocation(), diag::warn_ISR_has_arguments) + << FD->getNameAsString(); + } + } + } + for (unsigned p = 0, NumParams = FD->getNumParams(); p < NumParams; ++p) { ParmVarDecl *Param = FD->getParamDecl(p); |
