diff options
-rw-r--r-- | include/clang/Basic/DiagnosticDriverKinds.td | 2 | ||||
-rw-r--r-- | include/clang/Driver/ToolChain.h | 15 | ||||
-rw-r--r-- | lib/Driver/ToolChains.cpp | 38 | ||||
-rw-r--r-- | lib/Driver/ToolChains.h | 22 | ||||
-rw-r--r-- | lib/Driver/Tools.cpp | 141 | ||||
-rw-r--r-- | lib/Driver/WindowsToolChain.cpp | 10 | ||||
-rw-r--r-- | test/Driver/pic.c | 192 |
7 files changed, 232 insertions, 188 deletions
diff --git a/include/clang/Basic/DiagnosticDriverKinds.td b/include/clang/Basic/DiagnosticDriverKinds.td index fe0be427a4..4b43035175 100644 --- a/include/clang/Basic/DiagnosticDriverKinds.td +++ b/include/clang/Basic/DiagnosticDriverKinds.td @@ -11,6 +11,8 @@ let Component = "Driver" in { def err_drv_no_such_file : Error<"no such file or directory: '%0'">; def err_drv_unsupported_opt : Error<"unsupported option '%0'">; +def err_drv_unsupported_opt_for_target : Error< + "unsupported option '%0' for target '%1'">; def err_drv_unsupported_option_argument : Error< "unsupported argument '%1' to option '%0'">; def err_drv_unknown_stdin_type : Error< diff --git a/include/clang/Driver/ToolChain.h b/include/clang/Driver/ToolChain.h index 89f2697747..509e08d67e 100644 --- a/include/clang/Driver/ToolChain.h +++ b/include/clang/Driver/ToolChain.h @@ -176,14 +176,13 @@ public: /// by default. virtual bool IsUnwindTablesDefault() const; - /// GetDefaultRelocationModel - Return the LLVM name of the default - /// relocation model for this tool chain. - virtual const char *GetDefaultRelocationModel() const = 0; - - /// GetForcedPicModel - Return the LLVM name of the forced PIC model - /// for this tool chain, or 0 if this tool chain does not force a - /// particular PIC mode. - virtual const char *GetForcedPicModel() const = 0; + /// \brief Test whether this toolchain defaults to PIC. + virtual bool isPICDefault() const = 0; + + /// \brief Tests whether this toolchain forces its default for PIC or non-PIC. + /// If this returns true, any PIC related flags should be ignored and instead + /// the result of \c isPICDefault() is used exclusively. + virtual bool isPICDefaultForced() const = 0; /// SupportsProfiling - Does this tool chain support -pg. virtual bool SupportsProfiling() const { return true; } diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp index a8b33c3ec0..b95b8fa99e 100644 --- a/lib/Driver/ToolChains.cpp +++ b/lib/Driver/ToolChains.cpp @@ -886,14 +886,12 @@ bool Darwin::UseSjLjExceptions() const { getTriple().getArch() == llvm::Triple::thumb); } -const char *Darwin::GetDefaultRelocationModel() const { - return "pic"; +bool Darwin::isPICDefault() const { + return true; } -const char *Darwin::GetForcedPicModel() const { - if (getArch() == llvm::Triple::x86_64) - return "pic"; - return 0; +bool Darwin::isPICDefaultForced() const { + return getArch() == llvm::Triple::x86_64; } bool Darwin::SupportsProfiling() const { @@ -1395,13 +1393,14 @@ bool Generic_GCC::IsUnwindTablesDefault() const { return getArch() == llvm::Triple::x86_64; } -const char *Generic_GCC::GetDefaultRelocationModel() const { - return "static"; +bool Generic_GCC::isPICDefault() const { + return false; } -const char *Generic_GCC::GetForcedPicModel() const { - return 0; +bool Generic_GCC::isPICDefaultForced() const { + return false; } + /// Hexagon Toolchain Hexagon_TC::Hexagon_TC(const Driver &D, const llvm::Triple& Triple) @@ -1455,14 +1454,13 @@ Tool &Hexagon_TC::SelectTool(const Compilation &C, return *T; } -const char *Hexagon_TC::GetDefaultRelocationModel() const { - return "static"; +bool Hexagon_TC::isPICDefault() const { + return false; } -const char *Hexagon_TC::GetForcedPicModel() const { - return 0; -} // End Hexagon - +bool Hexagon_TC::isPICDefaultForced() const { + return false; +} /// TCEToolChain - A tool chain using the llvm bitcode tools to perform /// all subcommands. See http://tce.cs.tut.fi for our peculiar target. @@ -1487,12 +1485,12 @@ bool TCEToolChain::IsMathErrnoDefault() const { return true; } -const char *TCEToolChain::GetDefaultRelocationModel() const { - return "static"; +bool TCEToolChain::isPICDefault() const { + return false; } -const char *TCEToolChain::GetForcedPicModel() const { - return 0; +bool TCEToolChain::isPICDefaultForced() const { + return false; } Tool &TCEToolChain::SelectTool(const Compilation &C, diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h index 2005d9654c..4c267e8a8b 100644 --- a/lib/Driver/ToolChains.h +++ b/lib/Driver/ToolChains.h @@ -129,8 +129,8 @@ public: const ActionList &Inputs) const; virtual bool IsUnwindTablesDefault() const; - virtual const char *GetDefaultRelocationModel() const; - virtual const char *GetForcedPicModel() const; + virtual bool isPICDefault() const; + virtual bool isPICDefaultForced() const; protected: /// \name ToolChain Implementation Helper Functions @@ -156,8 +156,8 @@ public: virtual Tool &SelectTool(const Compilation &C, const JobAction &JA, const ActionList &Inputs) const; - virtual const char *GetDefaultRelocationModel() const; - virtual const char *GetForcedPicModel() const; + virtual bool isPICDefault() const; + virtual bool isPICDefaultForced() const; }; /// Darwin - The base Darwin tool chain. @@ -344,8 +344,8 @@ public: virtual RuntimeLibType GetDefaultRuntimeLibType() const { return ToolChain::RLT_CompilerRT; } - virtual const char *GetDefaultRelocationModel() const; - virtual const char *GetForcedPicModel() const; + virtual bool isPICDefault() const; + virtual bool isPICDefaultForced() const; virtual bool SupportsProfiling() const; @@ -393,7 +393,7 @@ public: std::string ComputeEffectiveClangTriple(const ArgList &Args, types::ID InputType) const; - virtual const char *GetDefaultRelocationModel() const { return "pic"; } + virtual bool isPICDefault() const { return false; }; }; class LLVM_LIBRARY_VISIBILITY Generic_ELF : public Generic_GCC { @@ -534,8 +534,8 @@ public: virtual Tool &SelectTool(const Compilation &C, const JobAction &JA, const ActionList &Inputs) const; bool IsMathErrnoDefault() const; - const char* GetDefaultRelocationModel() const; - const char* GetForcedPicModel() const; + bool isPICDefault() const; + bool isPICDefaultForced() const; private: mutable llvm::DenseMap<unsigned, Tool*> Tools; @@ -557,8 +557,8 @@ public: virtual bool IsIntegratedAssemblerDefault() const; virtual bool IsUnwindTablesDefault() const; - virtual const char *GetDefaultRelocationModel() const; - virtual const char *GetForcedPicModel() const; + virtual bool isPICDefault() const; + virtual bool isPICDefaultForced() const; virtual void AddClangSystemIncludeArgs(const ArgList &DriverArgs, ArgStringList &CC1Args) const; diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 01bcf48485..e37959be4e 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -1769,38 +1769,46 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CheckCodeGenerationOptions(D, Args); - // Perform argument translation for LLVM backend. This - // takes some care in reconciling with llvm-gcc. The - // issue is that llvm-gcc translates these options based on - // the values in cc1, whereas we are processing based on - // the driver arguments. - - // This comes from the default translation the driver + cc1 - // would do to enable flag_pic. - - Arg *LastPICArg = Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC, - options::OPT_fpic, options::OPT_fno_pic); - // We need to check for PIE flags separately because they can override the - // PIC flags. - Arg *LastPIEArg = Args.getLastArg(options::OPT_fPIE, options::OPT_fno_PIE, - options::OPT_fpie, options::OPT_fno_pie); - bool PICDisabled = false; - bool PICEnabled = false; - bool PICForPIE = false; - if (LastPIEArg) { - PICForPIE = (LastPIEArg->getOption().matches(options::OPT_fPIE) || - LastPIEArg->getOption().matches(options::OPT_fpie)); - } - if (LastPICArg || PICForPIE) { - // The last PIE enabled argument can infer that PIC is enabled. - PICEnabled = (PICForPIE || - LastPICArg->getOption().matches(options::OPT_fPIC) || - LastPICArg->getOption().matches(options::OPT_fpic)); - // We need to have PICDisabled inside the if statement because on darwin - // PIC is enabled by default even if PIC arguments are not in the command - // line (in this case causes PICDisabled to be true). - PICDisabled = !PICEnabled; + // For the PIC and PIE flag options, this logic is different from the legacy + // logic in very old versions of GCC, as that logic was just a bug no one had + // ever fixed. This logic is both more rational and consistent with GCC's new + // logic now that the bugs are fixed. The last argument relating to either + // PIC or PIE wins, and no other argument is used. If the last argument is + // any flavor of the '-fno-...' arguments, both PIC and PIE are disabled. Any + // PIE option implicitly enables PIC at the same level. + bool PIE = false; + bool PIC = getToolChain().isPICDefault(); + bool IsPICLevelTwo = PIC; + if (Arg *A = Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC, + options::OPT_fpic, options::OPT_fno_pic, + options::OPT_fPIE, options::OPT_fno_PIE, + options::OPT_fpie, options::OPT_fno_pie)) { + Option O = A->getOption(); + if (O.matches(options::OPT_fPIC) || O.matches(options::OPT_fpic) || + O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie)) { + PIE = O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie); + PIC = PIE || O.matches(options::OPT_fPIC) || O.matches(options::OPT_fpic); + IsPICLevelTwo = O.matches(options::OPT_fPIE) || + O.matches(options::OPT_fPIC); + } else { + PIE = PIC = false; + } } + // Check whether the tool chain trumps the PIC-ness decision. If the PIC-ness + // is forced, then neither PIC nor PIE flags will have no effect. + if (getToolChain().isPICDefaultForced()) { + PIE = false; + PIC = getToolChain().isPICDefault(); + IsPICLevelTwo = PIC; + } + + // Inroduce a Darwin-specific hack. If the default is PIC but the flags + // specified while enabling PIC enabled level 1 PIC, just force it back to + // level 2 PIC instead. This matches the behavior of Darwin GCC (based on my + // informal testing). + if (PIC && getToolChain().getTriple().isOSDarwin()) + IsPICLevelTwo |= getToolChain().isPICDefault(); + // Note that these flags are trump-cards. Regardless of the order w.r.t. the // PIC or PIE options above, if these show up, PIC is disabled. llvm::Triple Triple(TripleStr); @@ -1808,44 +1816,43 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, Args.hasArg(options::OPT_fapple_kext)) && (Triple.getOS() != llvm::Triple::IOS || Triple.isOSVersionLT(6))) - PICDisabled = true; + PIC = PIE = false; if (Args.hasArg(options::OPT_static)) - PICDisabled = true; - bool DynamicNoPIC = Args.hasArg(options::OPT_mdynamic_no_pic); - - // Select the relocation model. - const char *Model = getToolChain().GetForcedPicModel(); - if (!Model) { - if (DynamicNoPIC) - Model = "dynamic-no-pic"; - else if (PICDisabled) - Model = "static"; - else if (PICEnabled) - Model = "pic"; - else - Model = getToolChain().GetDefaultRelocationModel(); - } - StringRef ModelStr = Model ? Model : ""; - if (Model && ModelStr != "pic") { + PIC = PIE = false; + + if (Arg *A = Args.getLastArg(options::OPT_mdynamic_no_pic)) { + // This is a very special mode. It trumps the other modes, almost no one + // uses it, and it isn't even valid on any OS but Darwin. + if (!getToolChain().getTriple().isOSDarwin()) + D.Diag(diag::err_drv_unsupported_opt_for_target) + << A->getSpelling() << getToolChain().getTriple().str(); + + // FIXME: Warn when this flag trumps some other PIC or PIE flag. + CmdArgs.push_back("-mrelocation-model"); - CmdArgs.push_back(Model); - } - - // Infer the __PIC__ and __PIE__ values. - if (ModelStr == "pic" && PICForPIE) { - CmdArgs.push_back("-pic-level"); - CmdArgs.push_back((LastPIEArg && - LastPIEArg->getOption().matches(options::OPT_fPIE)) ? - "2" : "1"); - CmdArgs.push_back("-pie-level"); - CmdArgs.push_back((LastPIEArg && - LastPIEArg->getOption().matches(options::OPT_fPIE)) ? - "2" : "1"); - } else if (ModelStr == "pic" || ModelStr == "dynamic-no-pic") { - CmdArgs.push_back("-pic-level"); - CmdArgs.push_back(((ModelStr != "dynamic-no-pic" && LastPICArg && - LastPICArg->getOption().matches(options::OPT_fPIC)) || - getToolChain().getTriple().isOSDarwin()) ? "2" : "1"); + CmdArgs.push_back("dynamic-no-pic"); + + // Only a forced PIC mode can cause the actual compile to have PIC defines + // etc., no flags are sufficient. This behavior was selected to closely + // match that of llvm-gcc and Apple GCC before that. + if (getToolChain().isPICDefault() && getToolChain().isPICDefaultForced()) { + CmdArgs.push_back("-pic-level"); + CmdArgs.push_back("2"); + } + } else { + // Currently, LLVM only knows about PIC vs. static; the PIE differences are + // handled in Clang's IRGen by the -pie-level flag. + CmdArgs.push_back("-mrelocation-model"); + CmdArgs.push_back(PIC ? "pic" : "static"); + + if (PIC) { + CmdArgs.push_back("-pic-level"); + CmdArgs.push_back(IsPICLevelTwo ? "2" : "1"); + if (PIE) { + CmdArgs.push_back("-pie-level"); + CmdArgs.push_back(IsPICLevelTwo ? "2" : "1"); + } + } } if (!Args.hasFlag(options::OPT_fmerge_all_constants, diff --git a/lib/Driver/WindowsToolChain.cpp b/lib/Driver/WindowsToolChain.cpp index ac6518712f..de2d5352b7 100644 --- a/lib/Driver/WindowsToolChain.cpp +++ b/lib/Driver/WindowsToolChain.cpp @@ -84,14 +84,12 @@ bool Windows::IsUnwindTablesDefault() const { return getArch() == llvm::Triple::x86_64; } -const char *Windows::GetDefaultRelocationModel() const { - return "static"; +bool Windows::isPICDefault() const { + return getArch() == llvm::Triple::x86_64; } -const char *Windows::GetForcedPicModel() const { - if (getArch() == llvm::Triple::x86_64) - return "pic"; - return 0; +bool Windows::isPICDefaultForced() const { + return getArch() == llvm::Triple::x86_64; } // FIXME: This probably should goto to some platform utils place. diff --git a/test/Driver/pic.c b/test/Driver/pic.c index efe525e555..54e5982c08 100644 --- a/test/Driver/pic.c +++ b/test/Driver/pic.c @@ -5,28 +5,34 @@ // CHECK-NO-PIC-NOT: "-pic-level" // CHECK-NO-PIC-NOT: "-pie-level" // -// CHECK-DYNAMIC-NO-PIC1: "-mrelocation-model" "dynamic-no-pic" -// CHECK-DYNAMIC-NO-PIC1: "-pic-level" "1" -// -// CHECK-DYNAMIC-NO-PIC2: "-mrelocation-model" "dynamic-no-pic" -// CHECK-DYNAMIC-NO-PIC2: "-pic-level" "2" -// -// CHECK-PIC1-NOT: "-mrelocation-model" +// CHECK-PIC1: "-mrelocation-model" "pic" // CHECK-PIC1: "-pic-level" "1" // -// CHECK-PIC2-NOT: "-mrelocation-model" +// CHECK-PIC2: "-mrelocation-model" "pic" // CHECK-PIC2: "-pic-level" "2" // -// CHECK-PIE1-NOT: "-mrelocation-model" +// CHECK-PIE1: "-mrelocation-model" "pic" +// CHECK-PIE1: "-pic-level" "1" // CHECK-PIE1: "-pie-level" "1" // -// CHECK-PIE2-NOT: "-mrelocation-model" +// CHECK-PIE2: "-mrelocation-model" "pic" +// CHECK-PIE2: "-pic-level" "2" // CHECK-PIE2: "-pie-level" "2" // -// CHECK-PIE3: "{{.*}}ld{{(.exe)?}}" -// CHECK-PIE3: "-pie" -// CHECK-PIE3: "Scrt1.o" "crti.o" "crtbeginS.o" -// CHECK-PIE3: "crtendS.o" "crtn.o" +// CHECK-PIE-LD: "{{.*}}ld{{(.exe)?}}" +// CHECK-PIE-LD: "-pie" +// CHECK-PIE-LD: "Scrt1.o" "crti.o" "crtbeginS.o" +// CHECK-PIE-LD: "crtendS.o" "crtn.o" +// +// CHECK-DYNAMIC-NO-PIC-32: "-mrelocation-model" "dynamic-no-pic" +// CHECK-DYNAMIC-NO-PIC-32-NOT: "-pic-level" +// CHECK-DYNAMIC-NO-PIC-32-NOT: "-pie-level" +// +// CHECK-DYNAMIC-NO-PIC-64: "-mrelocation-model" "dynamic-no-pic" +// CHECK-DYNAMIC-NO-PIC-64: "-pic-level" "2" +// CHECK-DYNAMIC-NO-PIC-64-NOT: "-pie-level" +// +// CHECK-NON-DARWIN-DYNAMIC-NO-PIC: error: unsupported option '-mdynamic-no-pic' for target 'i386-unknown-unknown' // // RUN: %clang -c %s -target i386-unknown-unknown -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC @@ -38,107 +44,141 @@ // RUN: | FileCheck %s --check-prefix=CHECK-PIE1 // RUN: %clang -c %s -target i386-unknown-unknown -fPIE -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIE2 +// +// Check that PIC and PIE flags obey last-match-wins. If the last flag is +// a no-* variant, regardless of which variant or which flags precede it, we +// get no PIC. // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-pic -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC -// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-PIC -### 2>&1 \ +// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-pic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-pic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-pic -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC // RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-PIC -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC -// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-pic -### 2>&1 \ +// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-PIC -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-PIC -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-PIC -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-pie -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-pie -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-pie -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC -// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-PIE -### 2>&1 \ +// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-pie -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-PIE -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fno-PIE -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-PIE -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC -// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-pie -### 2>&1 \ +// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fno-PIE -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC -// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-pic -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fno-pic -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fno-pie -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIC -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fpic -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIE -fpie -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fPIC -fPIE -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE2 // -// Cases where both pic and pie are specified -// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fpie -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fpie -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 +// Last-match-wins where both pic and pie are specified. // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fpic -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIC1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fpic -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIE -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 -// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIE -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE2 -// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fPIC -### 2>&1 \ +// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fpic -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIC1 // RUN: %clang -c %s -target i386-unknown-unknown -fpie -fPIC -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 -// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fPIE -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIC2 -// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fPIE -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE2 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fpie -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC1 +// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fPIC -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fpie -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIE1 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fpie -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIE1 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fPIE -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIE -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIE2 // RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fPIE -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIE2 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fpic -### 2>&1 \ +// +// Last-match-wins when selecting level 1 vs. level 2. +// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIC -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIC2 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fpic -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE2 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fpie -### 2>&1 \ +// RUN: %clang -c %s -target i386-unknown-unknown -fPIC -fpic -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIC1 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fpie -### 2>&1 \ +// RUN: %clang -c %s -target i386-unknown-unknown -fpic -fPIE -fpie -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIE1 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fPIC -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 -// RUN: %clang -c %s -target i386-unknown-unknown -fPIE -fPIC -### 2>&1 \ +// RUN: %clang -c %s -target i386-unknown-unknown -fpie -fPIC -fPIE -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIE2 // -// Defaults change for Darwin. -// RUN: %clang -c %s -target i386-apple-darwin -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 -// RUN: %clang -c %s -target i386-apple-darwin -fno-pic -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC -// RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC -// // Make sure -pie is passed to along to ld and that the right *crt* files // are linked in. // RUN: %clang %s -target i386-unknown-freebsd -fPIE -pie -### \ // RUN: --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE3 +// RUN: | FileCheck %s --check-prefix=CHECK-PIE-LD // RUN: %clang %s -target i386-linux-gnu -fPIE -pie -### \ // RUN: --sysroot=%S/Inputs/basic_linux_tree 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-PIE3 +// RUN: | FileCheck %s --check-prefix=CHECK-PIE-LD +// RUN: %clang %s -target i386-linux-gnu -fPIC -pie -### \ +// RUN: --sysroot=%S/Inputs/basic_linux_tree 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIE-LD // // Disregard any of the PIC-specific flags if we have a trump-card flag. // RUN: %clang -c %s -target i386-unknown-unknown -mkernel -fPIC -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC // RUN: %clang -c %s -target i386-unknown-unknown -static -fPIC -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC -// RUN: %clang -c %s -target i386-unknown-unknown -mdynamic-no-pic -fPIC -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC1 -// RUN: %clang -c %s -target i386-apple-darwin -mdynamic-no-pic -fPIC -### 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC2 - -// Checks for ARM +// +// Darwin is a beautiful and unique snowflake when it comes to these flags. +// When targetting a 32-bit darwin system, the -fno-* flag variants work and +// disable PIC, but any other flag enables PIC (*not* PIE) even if the flag +// specifies PIE. On 64-bit targets, there is simply nothing you can do, there +// is no PIE, there is only PIC when it comes to compilation. +// RUN: %clang -c %s -target i386-apple-darwin -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target i386-apple-darwin -fpic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target i386-apple-darwin -fPIC -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target i386-apple-darwin -fpie -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target i386-apple-darwin -fPIE -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-apple-darwin -fno-PIE -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NO-PIC +// RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -fpic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -fPIE -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target x86_64-apple-darwin -fno-PIC -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target x86_64-apple-darwin -fno-PIE -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target x86_64-apple-darwin -fpic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// RUN: %clang -c %s -target x86_64-apple-darwin -fPIE -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-PIC2 +// +// Darwin gets even more special with '-mdynamic-no-pic'. This flag is only +// valid on Darwin, and it's behavior is very strange but needs to remain +// consistent for compatibility. +// RUN: %clang -c %s -target i386-unknown-unknown -mdynamic-no-pic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-NON-DARWIN-DYNAMIC-NO-PIC +// RUN: %clang -c %s -target i386-apple-darwin -mdynamic-no-pic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-32 +// RUN: %clang -c %s -target i386-apple-darwin -mdynamic-no-pic -fno-pic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-32 +// RUN: %clang -c %s -target i386-apple-darwin -mdynamic-no-pic -fpie -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-32 +// RUN: %clang -c %s -target x86_64-apple-darwin -mdynamic-no-pic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-64 +// RUN: %clang -c %s -target x86_64-apple-darwin -mdynamic-no-pic -fno-pic -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-64 +// RUN: %clang -c %s -target x86_64-apple-darwin -mdynamic-no-pic -fpie -### 2>&1 \ +// RUN: | FileCheck %s --check-prefix=CHECK-DYNAMIC-NO-PIC-64 +// +// Checks for ARM+Apple+IOS including -fapple-kext, -mkernel, and iphoneos +// version boundaries. // RUN: %clang -c %s -target armv7-apple-ios -fapple-kext -miphoneos-version-min=6.0.0 -### 2>&1 \ // RUN: | FileCheck %s --check-prefix=CHECK-PIC2 // RUN: %clang -c %s -target armv7-apple-ios -mkernel -miphoneos-version-min=6.0.0 -### 2>&1 \ |