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[clang] stop baremetal driver to append .a to lib 

When the clang baremetal driver selects the rt.builtins static library
it prefix with "-l" and appends ".a". The result is a nonsense option
which lld refuses to accept.

Differential Revision: https://reviews.llvm.org/D73904

Change-Id: Ic753b6104e259fbbdc059b68fccd9b933092d828
This commit is contained in:
Christof Douma 2020-02-13 11:08:46 +00:00
parent d5a186a600
commit c49866acce
3 changed files with 12 additions and 5 deletions
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2
clang/lib/Driver/ToolChains/BareMetal.cpp
View File

@ -157,7 +157,7 @@ void BareMetal::AddCXXStdlibLibArgs(const ArgList &Args,
void BareMetal::AddLinkRuntimeLib(const ArgList &Args,
ArgStringList &CmdArgs) const {
CmdArgs.push_back(Args.MakeArgString("-lclang_rt.builtins-" +
getTriple().getArchName() + ".a"));
getTriple().getArchName()));
}
void baremetal::Linker::ConstructJob(Compilation &C, const JobAction &JA,

7
clang/test/Driver/arm-compiler-rt.c
View File

@ -1,3 +1,10 @@
// RUN: %clang -target arm-none-eabi \
// RUN: -resource-dir=%S/Inputs/resource_dir_with_arch_subdir \
// RUN: -rtlib=compiler-rt -### %s 2>&1 \
// RUN: | FileCheck %s -check-prefix ARM-EABI
// ARM-EABI: "-L{{.*[/\\]}}Inputs/resource_dir_with_arch_subdir/lib/baremetal"
// ARM-EABI: "-lclang_rt.builtins-arm"
// RUN: %clang -target arm-linux-gnueabi \
// RUN: -resource-dir=%S/Inputs/resource_dir_with_arch_subdir \
// RUN: -rtlib=compiler-rt -### %s 2>&1 \

8
clang/test/Driver/baremetal.cpp
View File

@ -13,7 +13,7 @@
// CHECK-V6M-C-NEXT: "{{[^"]*}}ld{{(\.(lld|bfd|gold))?}}{{(\.exe)?}}" "{{.*}}.o" "-Bstatic"
// CHECK-V6M-C-SAME: "-L[[RESOURCE_DIR:[^"]+]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
// CHECK-V6M-C-SAME: "-T" "semihosted.lds" "-Lsome{{[/\\]+}}directory{{[/\\]+}}user{{[/\\]+}}asked{{[/\\]+}}for"
// CHECK-V6M-C-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m.a"
// CHECK-V6M-C-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m"
// CHECK-V6M-C-SAME: "-o" "{{.*}}.o"
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
@ -35,7 +35,7 @@
// CHECK-V6M-DEFAULTCXX: "{{[^"]*}}ld{{(\.(lld|bfd|gold))?}}{{(\.exe)?}}" "{{.*}}.o" "-Bstatic"
// CHECK-V6M-DEFAULTCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}{{.*}}{{[/\\]+}}lib{{[/\\]+}}baremetal"
// CHECK-V6M-DEFAULTCXX-SAME: "-lc++" "-lc++abi" "-lunwind"
// CHECK-V6M-DEFAULTCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m.a"
// CHECK-V6M-DEFAULTCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m"
// CHECK-V6M-DEFAULTCXX-SAME: "-o" "{{.*}}.o"
// RUN: %clangxx -no-canonical-prefixes %s -### -o %t.o 2>&1 \
@ -48,7 +48,7 @@
// CHECK-V6M-LIBCXX: "{{[^"]*}}ld{{(\.(lld|bfd|gold))?}}{{(\.exe)?}}" "{{.*}}.o" "-Bstatic"
// CHECK-V6M-LIBCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}{{.*}}{{[/\\]+}}lib{{[/\\]+}}baremetal"
// CHECK-V6M-LIBCXX-SAME: "-lc++" "-lc++abi" "-lunwind"
// CHECK-V6M-LIBCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m.a"
// CHECK-V6M-LIBCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m"
// CHECK-V6M-LIBCXX-SAME: "-o" "{{.*}}.o"
// RUN: %clangxx -no-canonical-prefixes %s -### -o %t.o 2>&1 \
@ -61,7 +61,7 @@
// CHECK-V6M-LIBSTDCXX: "{{[^"]*}}ld{{(\.(lld|bfd|gold))?}}{{(\.exe)?}}" "{{.*}}.o" "-Bstatic"
// CHECK-V6M-LIBSTDCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}{{.*}}{{[/\\]+}}lib{{[/\\]+}}baremetal"
// CHECK-V6M-LIBSTDCXX-SAME: "-lstdc++" "-lsupc++" "-lunwind"
// CHECK-V6M-LIBSTDCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m.a"
// CHECK-V6M-LIBSTDCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m"
// CHECK-V6M-LIBSTDCXX-SAME: "-o" "{{.*}}.o"
// RUN: %clangxx -no-canonical-prefixes %s -### -o %t.o 2>&1 \