Difference between revisions of "Secure Modules"
Jump to navigation
Jump to search
(Created page with "== sm common code == sm modules are loaded to 0x80B000, then code from that addr is executed. These functions are called: * Init (__libc_init_array?) * main() ** Some unknow...") |
|||
| Line 1: | Line 1: | ||
== sm common code == | == sm common code == | ||
| − | sm modules are loaded to 0x80B000, then code from that addr is executed. | + | sm modules are loaded to 0x80B000, then code from that addr is executed. |
| − | + | There is a lot of common code shared between sm: entry, cmd handler, cmd setup, etc | |
| − | + | ||
| − | + | == Entry == | |
| − | + | ||
| − | + | This is the first code executed in sm. It's located at 0x80B000. It does the following: | |
| − | + | ||
| − | ** | + | * Get random value (stack cookie?) |
| − | * | + | * call_ctors() |
| − | * | + | * sm_main() |
| − | * | + | * call_dtors() |
| − | * | + | * syscall 1: Unload |
| − | + | * while(1) sleep() | |
Revision as of 02:58, 7 March 2018
sm common code
sm modules are loaded to 0x80B000, then code from that addr is executed.
There is a lot of common code shared between sm: entry, cmd handler, cmd setup, etc
Entry
This is the first code executed in sm. It's located at 0x80B000. It does the following:
- Get random value (stack cookie?)
- call_ctors()
- sm_main()
- call_dtors()
- syscall 1: Unload
- while(1) sleep()