Talk:SELF File Format: Difference between revisions

Revision as of 22:03, 28 March 2018

Offset	Size	Description
0x0	0x4	Relocation Type
0x4	0x4	Long entry: Addend
0x4	0x4	Short entry: 0-19 = Bits 10-29 of offset, 20-31 = addend
0x8	0x4	Long entry: Offset

Relocations can be of two types: 8 byte "short" entries or 12 byte "long" entries. The relocation code is the same as ARM ELF format.

Segment start = Buffer address of segment indexed at "Patch segment"

Symbol start = Buffer address of segment indexed at "Symbol segment"

Address to patch = segment start + offset

P = address to patch

S = "Symbol segment" == 15 ? 0 : symbol start

A = addend

Start	End	Description
0	3	Short entry if set
4	7	Symbol segment
8	15	Relocation code
16	19	Patch segment
20	27	Long entry: Optional relocation code 2
28	31	Long entry: Optional distance 2
20	31	Short entry: Lower 12 bits of offset

@@ Line 1: / Line 1: @@
-== Authentication ID ==
-Bytes long, offset 0x80 in the SELF header.
-Differences in auth id :
-PSP : ? PSP SELF doesn't have the same sort of SELF header (magic = "PSP" instead of "SCE")
-PS3 : 1x xx xx xx xx xx xx xx
-PSVita : 2x xx xx xx xx xx xx xx
-PS4 : 3x xx xx xx xx xx xx xx
-<code>sceAppMgrConvertVs0UserDrivePath</code> checks the authentication id to limit mount points.
-<code>0x2800000000008000</code> only used by [[SceWebCore]] eboot.bin (NPXS10017 / NPXS10037 on 1.69, replaced later by SceWebKit).
-<code>0x2800000000008003</code> seen used by [[SceWebCore]] can access <code>vs0:data/external/cert/</code> and <code>vs0:data/external/webcore/</code>.
-<code>0x210000101CD20007</code> seen used by [[PSM]] can access <code>vs0:data/external</code> and <code>vs0:sys/external</code>.
 == Relocations ==