SceDeci4pDbgp: Difference between revisions

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(Undo revision 19139 by Princess of Sleeping (talk))
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Some functionality provided by this module seems to have been merged into [[SceUlobjMgr]] between FW 0.945 and 0.990.
Some functionality provided by this module seems to have been merged into [[SceUlobjMgr]] between FW 0.945 and 0.990.030.


== Module ==
== Module ==
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! Version !! World !! Privilege
! Version !! World !! Privilege
|-
|-
| 0.940-3.65 || Non-secure || Kernel
| 0.940.I-3.730.011 || Non-secure || Kernel
|}
|}


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! Version !! Name !! World !! Visibility !! NID
! Version !! Name !! World !! Visibility !! NID
|-
|-
| 0.940-0.996.090 || [[SceDeci4pDbgp#SceDeci4pDbgpForDriver|SceDeci4pDbgpForDriver]] || Non-secure || User || 0xFBD04C34
| 0.940.I-0.996.090 || [[SceDeci4pDbgp#SceDeci4pDbgpForDriver|SceDeci4pDbgpForDriver]] || Non-secure || User || 0xFBD04C34
|-
|-
| 1.000.041-3.65 || [[SceDeci4pDbgp#SceDeci4pDbgpForDriver|SceDeci4pDbgpForDriver]] || Non-secure || Kernel || 0xFBD04C34
| 1.000.041-3.730.011 || [[SceDeci4pDbgp#SceDeci4pDbgpForDriver|SceDeci4pDbgpForDriver]] || Non-secure || Kernel || 0xFBD04C34
|-
|-
| 3.65 || [[SceDeci4pDbgp#SceDeci4pDbgp|SceDeci4pDbgp]] || Non-secure || User || 0x40286FC4
| 3.630.011-3.730.011 || [[SceDeci4pDbgp#SceDeci4pDbgp|SceDeci4pDbgp]] || Non-secure || User || 0x40286FC4
|}
|}


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<source lang="C">
<source lang="C">
/**
/**
     @brief Breakpoint handler (signature for FW 0.990-0.995)
     @brief Breakpoint handler (signature for FWs 0.990.030-0.995)
      
      
     @param[in] pid - UID of the process that hit the breakpoint
     @param[in] pid - UID of the process that hit the breakpoint
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! Version !! NID
! Version !! NID
|-
|-
| 0.940-0.945 || 0x72AE00B7
| 0.940.I-0.945 || 0x72AE00B7
|-
|-
| 0.990-3.60 || not present
| 0.990.030-3.740.011 || not present
|}
|}


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! Version !! NID
! Version !! NID
|-
|-
| 0.940-0.945 || 0x11908EDB
| 0.940.I-0.945 || 0x11908EDB
|-
|-
| 0.990-3.60 || not present
| 0.990.030-3.740.011 || not present
|}
|}


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! Version !! NID
! Version !! NID
|-
|-
| 0.940-0.945 || not present
| 0.940.I-0.945 || not present
|-
|-
| 0.990-3.60 || 0x01D7C7BF
| 0.990.030-3.740.011 || 0x01D7C7BF
|}
|}


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! Version !! NID
! Version !! NID
|-
|-
| 0.940-0.945 || not present
| 0.940.I-0.945 || not present
|-
|-
| 0.990-3.60 || 0x0509AC51
| 0.990.030-3.740.011 || 0x0509AC51
|}
|}


In FW 0.990-0.995, this handles <code>bkpt #0x90</code>. Seems to handle breakpoints with code < 0x7F in FW 3.60.
In FWs 0.990.030-0.995, this handles <code>bkpt #0x90</code>. Seems to handle breakpoints with code < 0x7F in FW 3.60.


<source lang="C">void sceDbgpSetDTraceBreakpointHandlerForDriver(SceDbgpBreakpointHandler* handler);</source>
<source lang="C">void sceDbgpSetDTraceBreakpointHandlerForDriver(SceDbgpBreakpointHandler* handler);</source>

Revision as of 16:19, 14 February 2023

Some functionality provided by this module seems to have been merged into SceUlobjMgr between FW 0.945 and 0.990.030.

Module

Version World Privilege
0.940.I-3.730.011 Non-secure Kernel

Libraries

Known NIDs

Version Name World Visibility NID
0.940.I-0.996.090 SceDeci4pDbgpForDriver Non-secure User 0xFBD04C34
1.000.041-3.730.011 SceDeci4pDbgpForDriver Non-secure Kernel 0xFBD04C34
3.630.011-3.730.011 SceDeci4pDbgp Non-secure User 0x40286FC4

Types

/**
    @brief Breakpoint handler (signature for FWs 0.990.030-0.995)
    
    @param[in] pid - UID of the process that hit the breakpoint
    @param[in] thid - UID of the thread that hit the breakpoint
    @param[in] bkpt_addr - Address of the breakpoint opcode
    @param[in] excp_ctx - Pointer to exception context (breakpoints trigger a PABT)
    @param[in] cpsr - Value of the CPSR when breakpoint was hit
    @param[in] arm_opcode - Opcode of the ARM instruction that triggered breakpoint (reversed endianness)
    @param[in] thumb_opcode - Opcode of the Thumb instruction that triggered breakpoint (reversed endianness)
    @param[in] is_thumb - 1 if CPU ran in Thumb mode when breakpoint was hit, 0 otherwise
*/
typedef SceInt32 (SceDbgpBreakpointHandler)(ScePID pid, SceUID thid, ScePVoid bkpt_addr, SceExcpmgrExceptionContext* excp_ctx, SceUInt32 spsr, SceUInt32 arm_opcode, SceUInt16 thumb_opcode, SceBool is_thumb);

/**
    @brief Breakpoint handler (signature for FWs >= 3.60)
    
    @param[in] pid - UID of the process that hit the breakpoint
    @param[in] thid - UID of the thread that hit the breakpoint
    @param[in] bkpt_addr - Address of the breakpoint opcode
    @param[in] sp - Value of the stack pointer when breakpoint was hit
    @param[in] cpsr - Value of the CPSR when breakpoint was hit
    @param[in] arm_opcode - Opcode of the ARM instruction that triggered breakpoint (reversed endianness)
    @param[in] thumb_opcode - Opcode of the Thumb instruction that triggered breakpoint (reversed endianness)
    @param[in] is_thumb - 1 if CPU ran in Thumb mode when breakpoint was hit, 0 otherwise
*/
typedef SceInt32 (SceDbgpBreakpointHandler)(ScePID pid, SceUID thid, ScePVoid bkpt_addr, SceUIntPtr sp, SceUInt32 cpsr, SceUInt32 arm_opcode, SceUInt16 thumb_opcode, SceBool is_thumb);

SceDeci4pDbgpForDriver

_sceDbgpStartSupportingAppObject

Version NID
0.940.I-0.945 0x72AE00B7
0.990.030-3.740.011 not present

Seemingly replaced by _sceUlobjMgrStartSupportingUserlevelObject. 

// On success, *ppDebugInfo receives a pointer to a 0x81000 bytes memblock
SceInt32 _sceDbgpStartSupportingAppObject(ScePVoid** ppDebugInfo);

_sceDbgpStopSupportingAppObject

Version NID
0.940.I-0.945 0x11908EDB
0.990.030-3.740.011 not present

Seemingly replaced by _sceUlobjMgrStopSupportingUserlevelObject. 

SceInt32 _sceDbgpStopSupportingAppObject(void);

sceDbgpGetDTraceBreakpointHandlerForDriver

Version NID
0.940.I-0.945 not present
0.990.030-3.740.011 0x01D7C7BF 
SceDbgpBreakpointHandler* sceDbgpGetDTraceBreakpointHandlerForDriver(void);

sceDbgpSetDTraceBreakpointHandlerForDriver

Version NID
0.940.I-0.945 not present
0.990.030-3.740.011 0x0509AC51

In FWs 0.990.030-0.995, this handles bkpt #0x90. Seems to handle breakpoints with code < 0x7F in FW 3.60. 

void sceDbgpSetDTraceBreakpointHandlerForDriver(SceDbgpBreakpointHandler* handler);

SceDeci4pDbgpForDriver_7251789E

Version NID
0.940-1.000.041 not present
3.60 0x7251789E

Sets handler for bkpt #0x90. 

void SceDeci4pDbgpForDriver_7251789E(SceDbgpBreakpointHandler* handler);

SceDeci4pDbgpForDriver_9CD5EE8C

Version NID
0.940-1.000.041 not present
3.60 0x9CD5EE8C

Get handler set by SceDeci4pDbgpForDriver_7251789E. 

SceDbgpBreakpointHandler* SceDeci4pDbgpForDriver_9CD5EE8C(void);

SceDeci4pDbgp

         SceDeci4pDbgp_073A6B4B: 0x073A6B4B
         sceDeci4pDbgpResumeAppForTestForUser: 0x0C30DE67
         SceDeci4pDbgp_6180DC1A: 0x6180DC1A
         sceDeci4pDbgpSuspendAppForTestForUser: 0xE0EED45E
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