RE: [ros-dev] More RBuild issues...

[Ge van Geldorp]

>   From: Alex Ionescu
>  
>  However, there is another one: gcc makes ntoskrnl 1.3MB with 
>  optimizations on and rsym "Stripping" the symbols.
>  However, building with -s and then doing strip -x creates a 
>  530KB file (this is what msvc would produce).
>  
>  If we can somehow remove the 900KB "gcc bloat" and keep the 
>  symbols, I will be very happy (And the users too).
>  The main reason I'm not so happy with the symbols is that we 
>  can't strip the files (afaik). The extra 800KB isn't symbol data... 
Huh??? "objdump -h ntoskrnl.exe" gives:

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         000ae630  80001000  80001000  00001000  2**4
                  CONTENTS, ALLOC, LOAD, READONLY, CODE, DATA
  1 init          0000c128  800b0000  800b0000  000b0000  2**2
                  CONTENTS, ALLOC, LOAD, CODE
  2 .data         000014c0  800bd000  800bd000  000bd000  2**4
                  CONTENTS, ALLOC, LOAD, DATA
  3 .rdata        000178b0  800bf000  800bf000  000bf000  2**4
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  4 .edata        0000b83d  800d7000  800d7000  000d7000  2**2
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  5 .idata        000007d4  800e3000  800e3000  000e3000  2**2
                  CONTENTS, ALLOC, LOAD, DATA
  6 .rsrc         000015e8  800e4000  800e4000  000e4000  2**2
                  CONTENTS, ALLOC, LOAD, DATA
  7 .bss          00021320  800e6000  800e6000  00000000  2**4
                  ALLOC
  8 .reloc        00008cd0  80108000  80108000  000e6000  2**2
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  9 .rossym       000c7e88  80111000  80111000  000ef000  2**2
                  CONTENTS, READONLY, DEBUGGING, NEVER_LOAD, EXCLUDE

Please note the .rossym section, which contains the symbols. Section size
0xc7e88. Corresponds very nicely to the 800KB you mention.

Gé van Geldorp.