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Link in profile library on Linux using --whole-archive 

llvm-svn: 205012
This commit is contained in:
Alexey Samsonov 2014-03-28 15:39:08 +00:00
parent 03b1bc7a2a
commit 4a37d60aca
2 changed files with 11 additions and 10 deletions
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14
clang/lib/Driver/Tools.cpp
View File

@ -1817,18 +1817,16 @@ static void addProfileRT(
Args.hasArg(options::OPT_coverage))) Args.hasArg(options::OPT_coverage)))
return; return;
// Pull in runtime for -fprofile-inst-generate. This is required since there
// are no calls to the runtime in the code.
if (Args.hasArg(options::OPT_fprofile_instr_generate)) {
CmdArgs.push_back("-u");
CmdArgs.push_back("___llvm_profile_runtime");
}
SmallString<128> LibProfile = getCompilerRTLibDir(TC); SmallString<128> LibProfile = getCompilerRTLibDir(TC);
llvm::sys::path::append(LibProfile, llvm::sys::path::append(LibProfile,
Twine("libclang_rt.profile-") + getArchNameForCompilerRTLib(TC) + ".a"); Twine("libclang_rt.profile-") + getArchNameForCompilerRTLib(TC) + ".a");
CmdArgs.push_back(Args.MakeArgString(LibProfile)); SmallVector<const char *, 3> LibProfileArgs;
LibProfileArgs.push_back("-whole-archive");
LibProfileArgs.push_back(Args.MakeArgString(LibProfile));
LibProfileArgs.push_back("-no-whole-archive");
CmdArgs.insert(CmdArgs.end(), LibProfileArgs.begin(), LibProfileArgs.end());
} }
static void addSanitizerRTLinkFlags( static void addSanitizerRTLinkFlags(

7
clang/test/Driver/coverage-ld.c
View File

@ -16,8 +16,11 @@
// RUN: | FileCheck --check-prefix=CHECK-LINUX-X86-64 %s // RUN: | FileCheck --check-prefix=CHECK-LINUX-X86-64 %s
// //
// CHECK-LINUX-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}" // CHECK-LINUX-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-LINUX-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}linux{{/|\\\\}}libclang_rt.profile-x86_64.a" {{.*}} "-lc" // CHECK-LINUX-X86-64: "-whole-archive"
// // CHECK-LINUX-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}linux{{/|\\\\}}libclang_rt.profile-x86_64.a"
// CHECK-LINUX-X86-64: "-no-whole-archive"
// CHECK-LINUX-X86-64: "-lc"
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \ // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: -target x86_64-unknown-freebsd --coverage \ // RUN: -target x86_64-unknown-freebsd --coverage \
// RUN: -resource-dir=%S/Inputs/resource_dir \ // RUN: -resource-dir=%S/Inputs/resource_dir \