question about the object dump file

hi,

the *.objdump contains lots of useful information, such as how many space the code occupy

but i can not unstand it. is there any document can help me read the *.objdump file ?

thanks!

Sections:

Idx Name Size VMA LMA File off Algn

0 .entry 00000000 01040000 01040000 00013000 2**5

CONTENTS, ALLOC, LOAD, READONLY, CODE

1 .exceptions 00000220 00800020 00800020 00001020 2**2

CONTENTS, ALLOC, LOAD, READONLY, CODE

2 .text 0000f738 00800240 00800240 00001240 2**2

CONTENTS, ALLOC, LOAD, READONLY, CODE

3 .rodata 0000032c 0080f978 0080f978 00010978 2**2

CONTENTS, ALLOC, LOAD, READONLY, DATA

4 .rwdata 00001bfc 0080fca4 0080fca4 00010ca4 2**2

CONTENTS, ALLOC, LOAD, DATA, SMALL_DATA

5 .bss 00000160 008118a0 008118a0 000128a0 2**2

ALLOC, SMALL_DATA

6 .qd_new_sdram_controller_0 00000000 00811a00 00811a00 00013000 2**0

CONTENTS

7 .onchip_flash_0_data 00000000 01040020 01040020 00013000 2**0

CONTENTS

8 .comment 00000023 00000000 00000000 00013000 2**0

CONTENTS, READONLY

9 .debug_aranges 00000c08 00000000 00000000 00013028 2**3

CONTENTS, READONLY, DEBUGGING

10 .debug_info 00022c5d 00000000 00000000 00013c30 2**0

CONTENTS, READONLY, DEBUGGING

11 .debug_abbrev 0000898a 00000000 00000000 0003688d 2**0

CONTENTS, READONLY, DEBUGGING

12 .debug_line 0000a8d3 00000000 00000000 0003f217 2**0

CONTENTS, READONLY, DEBUGGING

13 .debug_frame 00001ff0 00000000 00000000 00049aec 2**2

CONTENTS, READONLY, DEBUGGING

14 .debug_str 000036e9 00000000 00000000 0004badc 2**0

CONTENTS, READONLY, DEBUGGING

15 .debug_loc 00016ad4 00000000 00000000 0004f1c5 2**0

CONTENTS, READONLY, DEBUGGING

16 .debug_alt_sim_info 00000020 00000000 00000000 00065c9c 2**2

CONTENTS, READONLY, DEBUGGING

17 .debug_ranges 00001360 00000000 00000000 00065cc0 2**3

CONTENTS, READONLY, DEBUGGING

18 .thread_model 00000003 00000000 00000000 0006a084 2**0

CONTENTS, READONLY

19 .cpu 0000000f 00000000 00000000 0006a087 2**0

CONTENTS, READONLY

20 .qsys 00000001 00000000 00000000 0006a096 2**0

CONTENTS, READONLY

21 .simulation_enabled 00000001 00000000 00000000 0006a097 2**0

CONTENTS, READONLY

22 .sysid_hash 00000004 00000000 00000000 0006a098 2**0

CONTENTS, READONLY

23 .sysid_base 00000004 00000000 00000000 0006a09c 2**0

CONTENTS, READONLY

24 .sysid_time 00000004 00000000 00000000 0006a0a0 2**0

CONTENTS, READONLY

25 .stderr_dev 0000000e 00000000 00000000 0006a0a4 2**0

CONTENTS, READONLY

26 .stdin_dev 0000000e 00000000 00000000 0006a0b2 2**0

CONTENTS, READONLY

27 .stdout_dev 0000000e 00000000 00000000 0006a0c0 2**0

CONTENTS, READONLY

28 .sopc_system_name 00000002 00000000 00000000 0006a0ce 2**0

CONTENTS, READONLY

29 .quartus_project_dir 00000030 00000000 00000000 0006a0d0 2**0

CONTENTS, READONLY

30 .jdi 00003f0c 00000000 00000000 0006a100 2**0

CONTENTS, READONLY

31 .sopcinfo 000422d1 00000000 00000000 0006e00c 2**0

CONTENTS, READONLY