Difference between revisions of "NSO"

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(Throw compression up on wiki)
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| 0x10
 
| 0x10
 
| 4
 
| 4
| .text compression start offset? (0x101)
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| .text LZ4-compressed data start offset (0x101)
 
|-
 
|-
 
| 0x14
 
| 0x14
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| 0x20
 
| 0x20
 
| 4
 
| 4
| .rodata compression start offset?
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| .rodata LZ4-compressed data start offset
 
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|-
 
| 0x24
 
| 0x24
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| 0x30
 
| 0x30
 
| 4
 
| 4
| .data compression start offset?
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| .data LZ4-compressed data start offset
 
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| 0x34
 
| 0x34

Revision as of 01:39, 26 June 2017

NSO is the main executable format.

It starts with a header:

Offset Size Description
0x0 4 Magic "NSO0"
0x4 4
0x8 4
0xC 4
0x10 4 .text LZ4-compressed data start offset (0x101)
0x14 4 .text offset? (0)
0x18 4 .text size
0x1C 4 .text required align? (0x1000)
0x20 4 .rodata LZ4-compressed data start offset
0x24 4 .rodata offset
0x28 4 .rodata size
0x2C 4 .rodata required align? (1)
0x30 4 .data LZ4-compressed data start offset
0x34 4 .data offset
0x38 4 .data size
0x3C 4 .bss size
0x40 0x14 SHA1?
0x54 0xC Padding
0x60 4 .rel.dyn compression offset?
0xA0 0x60 SHA256 hashes over the decompressed sections using the above byte-sizes: .text, .rodata, and .data.
0x100 Compressed sections