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2014 Feb 21
2
[LLVMdev] [lldb-dev] How is variable info retrieved in debugging for executables generated by llvm backend?
...e.
lldb is OK to check value of variable including both formal arguments and
locals, although some line numbers are still improper.
For example, in the case mentioned above, ".loc 1 2 0 prologue_end" is
actually the start point of prologue. Any suggestions?
Best regards.
2014-02-21 2:57 GMT+08:00 Greg Clayton <gclayton at apple.com>:
>
> On Feb 20, 2014, at 1:28 AM, æšćć <triple.yang at gmail.com> wrote:
>
> > Thank you, Clayton. This is very helpful.
> >
> > We use the LLDB specific GDB remote extensions, and our debugger server
> support...
2014 Feb 20
2
[LLVMdev] [lldb-dev] How is variable info retrieved in debugging for executables generated by llvm backend?
...o:
>
> 0x00000054: DW_TAG_variable [4]
> DW_AT_name( "a" )
> DW_AT_decl_file(
> "/home/yangyy/workspace/newlib/test.c" )
> DW_AT_decl_line( 4 )
> DW_AT_type( {0x0000007f} ( int ) )
> DW_AT_location( fbreg +16 )
>
> The location says it is at the frame base register + 16 bytes. The frame
> base is defined in the parent DIE:
>
> 0x00000022: DW_TAG_subprogram [2] *
> DW_AT_name( "main" )
>...