llvm dev - Jul 2013 - [LLVMdev] LLVM and Cygwin

I get this when I type:

brianherman at windows-8-[REDACTED] ~
$ nm libgcc_eh.a | grep register_frame
nm: 'libgcc_eh.a': No such file

 brianherman at windows-8-[REDACTED] ~
$ nm libgcc_eh.a | grep register_fram
nm: 'libgcc_eh.a': No such file

brianherman at windows-8-[REDACTED] ~
$




On Tue, Jul 30, 2013 at 7:51 AM, Duncan Sands <baldrick at free.fr> wrote:
> Hi Brian,
>
>
> On 29/07/13 23:42, Brian Herman wrote:
>
>> I got the following error while compiling llvm and clang under cygwin.
>>
>> /cygdrive/c/Users/brianherman/**Desktop/llvm/llvm-3.3.src/**
>> Release+Asserts/lib/**libLLVMMCJIT.a(**SectionMemoryManager.o):**
>> SectionMemoryManager.cpp:(.**text+0x3b):
>> undefined reference to `__register_frame'
>>
>
> I register_frame is used to enable the debugger (gdb) to debug JIT'd
code.
>  It
> is a function provided by libgcc, to be more precise in libgcc_eh.  Is it
> in
> your copy?
>
> $ nm libgcc_eh.a | grep register_fram
> 0000000000001960 T __deregister_frame
> 0000000000001950 T __deregister_frame_info
> 0000000000001830 T __deregister_frame_info_bases
> 0000000000001750 T __register_frame
> 0000000000001740 T __register_frame_info
> 00000000000016b0 T __register_frame_info_bases
> 0000000000001800 T __register_frame_info_table
> 0000000000001780 T __register_frame_info_table_**bases
> 0000000000001810 T __register_frame_table
>
> Ciao, Duncan.
>
>  /cygdrive/c/Users/brianherman/**Desktop/llvm/llvm-3.3.src/**
>> Release+Asserts/lib/**libLLVMMCJIT.a(**SectionMemoryManager.o):**
>> SectionMemoryManager.cpp:(.**text+0x3b):
>> relocation truncated to fit: R_X86_64_PC32 against undefined symbol
>> `__register_frame'
>> /usr/lib/gcc/x86_64-pc-cygwin/**4.8.1/../../../../x86_64-pc-**
>> cygwin/bin/ld:
>> /cygdrive/c/Users/brianherman/**Desktop/llvm/llvm-3.3.src/**
>> Release+Asserts/lib/**libLLVMMCJIT.a(**SectionMemoryManager.o):
>> bad reloc address 0x0 in section `.pdata'
>> collect2: error: ld returned 1 exit status
>> /cygdrive/c/Users/brianherman/**Desktop/llvm/llvm-3.3.src/**
>> Makefile.rules:1530:
>> recipe for target
>> `/cygdrive/c/Users/**brianherman/Desktop/llvm/llvm-**
>> 3.3.src/Release+Asserts/bin/**lli.exe'
>> failed
>> make[2]: ***
>> [/cygdrive/c/Users/**brianherman/Desktop/llvm/llvm-**
>> 3.3.src/Release+Asserts/bin/**lli.exe]
>> Error 1
>> make[2]: Leaving directory
>>
`/cygdrive/c/Users/**brianherman/Desktop/llvm/llvm-**3.3.src/tools/lli'
>> /cygdrive/c/Users/brianherman/**Desktop/llvm/llvm-3.3.src/**
>> Makefile.rules:925:
>> recipe for target `lli/.makeall' failed
>> make[1]: *** [lli/.makeall] Error 2
>> make[1]: Leaving directory
>> `/cygdrive/c/Users/**brianherman/Desktop/llvm/llvm-**3.3.src/tools'
>> /cygdrive/c/Users/brianherman/**Desktop/llvm/llvm-3.3.src/**
>> Makefile.rules:876:
>> recipe for target `all' failed
>> make: *** [all] Error 1
>> I have no idea what that means.
>>
>> --
>>
>>
>> Thanks,
>> Brian Herman
>> college.nfshost.com <http://college.nfshost.com>
>>
>>
>>
>>
>>
>>
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>>
>>
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>


-- 


Thanks,
Brian Herman
college.nfshost.com
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> $ nm libgcc_eh.a | grep register_frame
> nm: 'libgcc_eh.a': No such file
I think he meant to find out where libgcc_eh.a lives under Cygwin and
execute the command on that file. It should be somewhere amongst the
stuff installed with gcc, but the exact location can vary quite a bit.

Cheers.

Tim.

brianherman at windows-8-doesn't rock /lib/gcc/i686-pc-cygwin/4.7.3
$ nm libgcc_eh.a | grep register_frame
000011b0 T ___deregister_frame
000011a0 T ___deregister_frame_info
000010d0 T ___deregister_frame_info_bases
00000fe0 T ___register_frame
00000fb0 T ___register_frame_info
00000f40 T ___register_frame_info_bases
00001070 T ___register_frame_info_table
00001010 T ___register_frame_info_table_bases
000010a0 T ___register_frame_table


On Tue, Jul 30, 2013 at 8:10 AM, Tim Northover <t.p.northover at
gmail.com>wrote:
> > $ nm libgcc_eh.a | grep register_frame
> > nm: 'libgcc_eh.a': No such file
>
> I think he meant to find out where libgcc_eh.a lives under Cygwin and
> execute the command on that file. It should be somewhere amongst the
> stuff installed with gcc, but the exact location can vary quite a bit.
>
> Cheers.
>
> Tim.
>


-- 


Thanks,
Brian Herman
college.nfshost.com
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