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Add support for sanitizers arguments on FreeBSD

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llvm-svn: 204129
This commit is contained in:
Viktor Kutuzov
2014-03-18 09:36:50 +00:00
parent 0b5b3295e5
commit aa5b5f7b0d
2 changed files with 33 additions and 2 deletions
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12
clang/lib/Driver/Tools.cpp
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@@ -1775,7 +1775,11 @@ static StringRef getArchNameForCompilerRTLib(const ToolChain &TC) {
static SmallString<128> getCompilerRTLibDir(const ToolChain &TC) {
// The runtimes are located in the OS-specific resource directory.
SmallString<128> Res(TC.getDriver().ResourceDir);
llvm::sys::path::append(Res, "lib", TC.getOS());
const llvm::Triple &Triple = TC.getTriple();
// TC.getOS() yield "freebsd10.0" whereas "freebsd" is expected.
StringRef OSLibName = (Triple.getOS() == llvm::Triple::FreeBSD) ?
"freebsd" : TC.getOS();
llvm::sys::path::append(Res, "lib", OSLibName);
return Res;
}
@@ -1836,8 +1840,10 @@ static void addSanitizerRTLinkFlags(
CmdArgs.push_back("-lpthread");
CmdArgs.push_back("-lrt");
CmdArgs.push_back("-ldl");
CmdArgs.push_back("-lm");
// There's no libdl on FreeBSD.
if (TC.getTriple().getOS() != llvm::Triple::FreeBSD)
CmdArgs.push_back("-ldl");
// If possible, use a dynamic symbols file to export the symbols from the
// runtime library. If we can't do so, use -export-dynamic instead to export
@@ -6236,6 +6242,8 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
}
addSanitizerRuntimes(getToolChain(), Args, CmdArgs);
addProfileRT(ToolChain, Args, CmdArgs);
const char *Exec =

23
clang/test/Driver/sanitizer-ld.c
View File

@@ -15,6 +15,29 @@
// CHECK-ASAN-LINUX-NOT: "-export-dynamic"
// CHECK-ASAN-LINUX: "--dynamic-list={{.*}}libclang_rt.asan-i386.a.syms"
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: -target i386-unknown-freebsd -fsanitize=address \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_freebsd_tree \
// RUN: | FileCheck --check-prefix=CHECK-ASAN-FREEBSD %s
//
// CHECK-ASAN-FREEBSD: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-ASAN-FREEBSD-NOT: "-lc"
// CHECK-ASAN-FREEBSD: freebsd/libclang_rt.asan-i386.a"
// CHECK-ASAN-FREEBSD: "-lpthread"
// CHECK-ASAN-FREEBSD: "-lrt"
// CHECK-ASAN-FREEBSD: "-export-dynamic"
// CHECK-ASAN-FREEBSD-NOT: "--dynamic-list"
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: -target i386-unknown-freebsd -fsanitize=address \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_freebsd_tree \
// RUN: | FileCheck --check-prefix=CHECK-ASAN-FREEBSD-LDL %s
//
// CHECK-ASAN-FREEBSD-LDL: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-ASAN-FREEBSD-LDL-NOT: "-ldl"
// RUN: %clangxx -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: -target i386-unknown-linux -fsanitize=address \
// RUN: -resource-dir=%S/Inputs/empty_resource_dir \