[LLVMdev] Why -jit-emit-debug doesn't work with gdb-7.1 ?

Yuri yuri at rawbw.com
Fri Jul 1 00:31:11 PDT 2011

On 06/21/2010 17:14, Yuri wrote:
> I am on FreeBSD and gdb-7.1 seems to be broken. It fails to set
> breakpoints in shared libs. using symbol-file causes this message:
> (gdb) symbol-file /usr/local/llvm/svn-r105825.dbg/lib/libLLVM-2.8svn.so
> Load new symbol table from
> "/usr/local/llvm/svn-r105825.dbg/lib/libLLVM-2.8svn.so"? (y or n) y
> Reading symbols from /usr/local/llvm/svn-r105825.dbg/lib/libLLVM-2.8svn.so...done.
> Unable to read JIT descriptor from remote memory!

I don't know what is going on with gdb and llvm, but I tried the 
upcoming gdb-7.3 and the message "Unable to read JIT descriptor from 
remote memory!" is back when llvm::JITEmitDebugInfo is set and 
libLLVM-3.0.so is loaded dynamically.

gdb-7.1 was broken, gdb-7.2 works, now gdb-7.3 code is broken again.


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