looks like the BSS segment is depend from RAM_SIZE. I'm changing file called linkcmds:

MEMORY {
    RAM_INT : ORIGIN = 0x20000000, LENGTH = 128k

after building has

arm-rtems4.11-size shell.exe
   text       data        bss        dec        hex    filename
 364756      32256      98824     495836      790dc    shell.exe

.BSS is 98824


MEMORY {
    RAM_INT : ORIGIN = 0x20000000, LENGTH = 192k

arm-rtems4.11-size shell.exe
   text       data        bss        dec        hex    filename
 364756      32256     164360     561372      890dc    shell.exe

.BSS raised up to 164360


MEMORY {
    RAM_INT : ORIGIN = 0x20000000, LENGTH = 256K

arm-rtems4.11-size shell.exe
   text       data        bss        dec        hex    filename
 364756      32256     229896     626908      990dc   shell.exe


How can i fix the BSS size?

On 14.10.2014 14:47, Мороз Олег wrote:
arm-rtems4.11-readelf -l shell.exe

Elf file type is EXEC (Executable file)
Entry point 0x8000189
There are 4 program headers, starting at offset 52

Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz Flg Align
  EXIDX          0x027aa0 0x080279e8 0x080279e8 0x00008 0x00008 R   0x4
  LOAD           0x0000b8 0x08000000 0x08000000 0x27a00 0x27a00 RWE 0x8
  LOAD           0x027ab8 0x20001188 0x08027a00 0x0061c 0x0061c RW  0x8
  LOAD           0x0280e0 0x20000000 0x20000000 0x00000 0x30000 RW  0x20

 Section to Segment mapping:
  Segment Sections...
   00     .ARM.exidx
01 .start .text .init .fini .rodata .ARM.exidx .eh_frame .init_array .fini_array .jcr
   02     .data
   03     .vector .bss .work


On 14.10.2014 14:10, Sebastian Huber wrote:
arm-rtems4.11-readelf -l

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