DbgHelp: Fix for Includes with Relative Paths

[Robert Shearman]

Eric Pouech wrote:

> Robert Shearman a écrit :
>
>> Hi,
>>
>> On startup, the debugger usually prompted me to type the path where 
>> "/winternl.h" can be found. This was due to the path being stored 
>> internally as "../../include/winternl.h", i.e. relative to the source 
>> directory. This patch adds the ability to store the source directory 
>> and then use it when encountering an include path of this type to get 
>> the full path, which means no more prompting.
>>
>> Rob
>>
>> Changelog:
>> Store the current source directory and use it when encountering a 
>> relative include so that the full path to it is stored instead.
>>
> Robert, normally currpath is supposed to be the directory where the 
> file  has been compiled. So, IMO currpath and srcpath duplicate the 
> same stuff.
>
> Does it mean that you only get one N_SO per compilation unit ? (the 
> code assumes two: the first one for the dir, the second for the path).

[dm at rob dm]$ objdump -G /usr/local/lib/wine/dbghelp.dll.so  | grep " SO 
" | 
more                                                                                

0      SO     0      0      00015d9c 11     /home/dm/wine/dlls/dbghelp/
1      SO     0      0      00015d9c 1      dbghelp.c
2204   SO     0      0      000163b9 0
2205   SO     0      0      000163bc 11     /home/dm/wine/dlls/dbghelp/
2206   SO     0      0      000163bc 166272 elf_module.c
4978   SO     0      0      00017c24 0
4979   SO     0      0      00017c24 11     /home/dm/wine/dlls/dbghelp/
4980   SO     0      0      00017c24 346388 image.c
6782   SO     0      0      00017cf6 0
...

The real problem is the N_SOL entries, which is what the patch fixes:

[dm at rob dm]$ objdump -G /usr/local/lib/wine/dbghelp.dll.so  | grep " SOL 
" | more
1917   SOL    0      0      00015ddf 35504  ../../include/winbase.h
1934   SOL    0      0      00015dec 1      dbghelp.c
1941   SOL    0      0      00015e16 35504  ../../include/winbase.h
1946   SOL    0      0      00015e56 1      dbghelp.c
2013   SOL    0      0      00015fc6 35504  ../../include/winbase.h
2016   SOL    0      0      00015fda 1      dbghelp.c
2020   SOL    0      0      00015ff1 35504  ../../include/winbase.h
2023   SOL    0      0      00016020 1      dbghelp.c
...

Rob