LDN services: Difference between revisions
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[18.0.0+] The sdknso uses SessionManager with this, where the additional session-count is 0x3. | [18.0.0+] The sdknso uses SessionManager with this, where the additional session-count is 0x3. | ||
[S2] There appears to be 2 ldn:u services, this appears to be for having separate [[#Protocol|Protocol]] permissions for NX and Ounce games. The Creator object has the same vtable for both of these. However the vtable for IUserLocalCommunicationService appears to be larger even with NX, which likely indicates there's new commands? | [S2] There appears to be 2 ldn:u services, this appears to be for having separate [[#Protocol|Protocol]] permissions for NX and Ounce games. The Creator object has the same vtable for both of these. However the vtable for IUserLocalCommunicationService appears to be larger even with NX, which likely indicates there's new commands? There also appears to be 4 additional max-sessions allocated to ldn*, this is probably for one of these ldn:u services? | ||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
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| 0x0 || 0x10 || [[#NetworkInfo]]+0x50 | | 0x0 || 0x10 || [[#NetworkInfo]]+0x50 | ||
|- | |- | ||
| 0x10 || 0x8 || [[#NetworkInfo]]+0x478 | | 0x10 || 0x8 || [[#NetworkInfo]]+0x478 [S2] The Station seems to verify that this is 0 when the Challenge is unused (ldn:s)? Throws an error if set before connecting to an [[#Protocol|Ounce]] network. | ||
|- | |- | ||
| 0x18 || 0x1 || [[#NetworkInfo]]+0x60 | | 0x18 || 0x1 || [[#NetworkInfo]]+0x60 | ||
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[S2] Various objects/state have the same size/layout as S1, generally?(Other than IPC-related differences) There's also stack differences. | [S2] Various objects/state have the same size/layout as S1, generally?(Other than IPC-related differences) There's also stack differences. | ||
== Code-region Memory Layout == | |||
=== S2 20.5.0 === | |||
This is the codebin-region layout for S2 ldn 20.5.0, exact starting version unknown. BuildId is "DC456FA4...". | |||
The on-NX note is for the equivalent memregion location/size, memregion-size/contents compared to NX may vary. | |||
Total size is 0x24F000-bytes. | |||
{| class="wikitable" border="1" | |||
|- | |||
! Offset | |||
! Size | |||
! Permissions | |||
! Description | |||
|- | |||
| 0x0 || 0xE1000 || --X || .text | |||
|- | |||
| 0xE1000 || 0x3D000 || R-- || RO-region | |||
|- | |||
| 0x11E000 || 0x3A000 || RW || On NX this is at 0xEF000. The main ExpHeap is at +0x2000, on NX it's at +0x1000. | |||
|- | |||
| 0x158000 || 0x8000 || non-RW || On NX this is at 0x123000. | |||
|- | |||
| 0x160000 || 0x8000 || RW || On NX this is at 0x12B000. | |||
|- | |||
| 0x168000 || 0xF000 || non-RW || On NX this is at 0x139000. | |||
|- | |||
| 0x177000 || 0x3000 || RW || On NX this is at 0x13F000. | |||
|- | |||
| 0x17A000 || 0x24000 || non-RW || On NX this is at 0x14B000. | |||
|- | |||
| 0x19E000 || 0x4E000 || RW || On NX this is at 0x16F000. | |||
|- | |||
| 0x1EC000 || 0x2000 || -- || On NX this is at 0x1BD000. | |||
|- | |||
| 0x1EE000 || 0x2000 || {accessible} || On NX this is at 0x1BF000. | |||
|- | |||
| 0x1EF000 || 0x5000 || -- || On NX this is at 0x1E2000. | |||
|- | |||
| 0x1F4000 || 0x21000 || {accessible} || On NX this is at 0x1EA000. | |||
|- | |||
| 0x218000 || 0x8000 || -- || | |||
|- | |||
| 0x220000 || 0x2F000 || {accessible} | |||
|} | |||
[[Category:Services]] | [[Category:Services]] | ||