[LLVMbugs] [Bug 16845] New: Assembling fails with -target arm-linux-gnueabihf -fPIE

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=16845

            Bug ID: 16845
           Summary: Assembling fails with -target arm-linux-gnueabihf
                    -fPIE
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: steveire at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

struct A
{
    static A data[1];
    static A *foo() { return data; }
};

int main(int argc, char **argv)
{
  A::foo();
}

stephen at hal:~/dev/src/playground/cmake/build{master}$
/home/stephen/dev/build/qtbase/llvm/bin/clang++  -target arm-linux-gnueabihf
-fPIE  -o CMakeFiles/foo.dir/main.cpp.o -c
/home/stephen/dev/src/playground/cmake/main.cpp -v 
clang version 3.4 
Target: arm--linux-gnueabihf
Thread model: posix
Found candidate GCC installation: /usr/lib/gcc-cross/arm-linux-gnueabihf/4.7
Found candidate GCC installation: /usr/lib/gcc-cross/arm-linux-gnueabihf/4.7.3
Selected GCC installation: /usr/lib/gcc-cross/arm-linux-gnueabihf/4.7
 "/home/stephen/dev/build/qtbase/llvm/bin/clang-3.4" -cc1 -triple
armv4t--linux-gnueabihf -S -disable-free -main-file-name main.cpp
-mrelocation-model pic -pic-level 2 -pie-level 2 -mdisable-fp-elim -fmath-errno
-mconstructor-aliases -fuse-init-array -target-abi aapcs-linux -target-cpu
arm7tdmi -mfloat-abi hard -v -coverage-file /tmp/main-62de18.s -resource-dir
/home/stephen/dev/build/qtbase/llvm/bin/../lib/clang/3.4 -internal-isystem
/usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../include/c++/4.7
-internal-isystem
/usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../include/c++/4.7/arm-linux-gnueabihf
-internal-isystem
/usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../include/c++/4.7/backward
-internal-isystem
/usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../include/arm-linux-gnueabihf/c++/4.7
-internal-isystem /usr/local/include -internal-isystem
/home/stephen/dev/build/qtbase/llvm/bin/../lib/clang/3.4/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include
-fdeprecated-macro -fno-dwarf-directory-asm -fdebug-compilation-dir
/home/stephen/dev/src/playground/cmake/build -ferror-limit 19 -fmessage-length
211 -mstackrealign -fno-signed-char -fobjc-runtime=gcc
-fobjc-default-synthesize-properties -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -vectorize-loops -vectorize-slp -o /tmp/main-62de18.s
-x c++ /home/stephen/dev/src/playground/cmake/main.cpp
clang -cc1 version 3.4 based upon LLVM 3.4svn default target
x86_64-unknown-linux-gnu
ignoring nonexistent directory
"/usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../include/c++/4.7/arm-linux-gnueabihf"
ignoring nonexistent directory
"/usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../include/arm-linux-gnueabihf/c++/4.7"
ignoring nonexistent directory "/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../include/c++/4.7

/usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../include/c++/4.7/backward
 /usr/local/include
 /home/stephen/dev/build/qtbase/llvm/bin/../lib/clang/3.4/include
 /usr/include
End of search list.

"/usr/lib/gcc-cross/arm-linux-gnueabihf/4.7/../../../../arm-linux-gnueabihf/bin/as"
-mfloat-abi=hard -o CMakeFiles/foo.dir/main.cpp.o /tmp/main-62de18.s
/tmp/main-62de18.s: Assembler messages:
/tmp/main-62de18.s:47: Error: can't resolve `_GLOBAL_OFFSET_TABLE_' {*UND*
section} - `.LPC1_0' {*UND* section}
clang-3.4: error: assembler command failed with exit code 1 (use -v to see
invocation)



Adding -integrated-as makes clang assert.

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