SceDeci4pDbgp

Some functionality provided by this module seems to have been merged into SceUlobjMgr between FW 0.945 and 0.990.

Module

Version	World	Privilege
0.940-3.65	Non-secure	Kernel

Libraries

Known NIDs

Version	Name	World	Visibility	NID
0.940-0.996.090	SceDeci4pDbgpForDriver	Non-secure	User	0xFBD04C34
1.000.041-3.65	SceDeci4pDbgpForDriver	Non-secure	Kernel	0xFBD04C34
3.65	SceDeci4pDbgp	Non-secure	User	0x40286FC4

Types

/**
    @brief Breakpoint handler (signature for FW 0.990-0.995)
    
    @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
0.940-0.945	0x72AE00B7
0.990-3.60	not present

Seemingly replaced by _sceUlobjMgrStartSupportingUserlevelObject.

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

_sceDbgpStopSupportingAppObject

Version	NID
0.940-0.945	0x11908EDB
0.990-3.60	not present

Seemingly replaced by _sceUlobjMgrStopSupportingUserlevelObject.

SceInt32 _sceDbgpStopSupportingAppObject(void);

sceDbgpGetDTraceBreakpointHandlerForDriver

Version	NID
0.940-3.60	0x01D7C7BF

SceDbgpBreakpointHandler* sceDbgpGetDTraceBreakpointHandlerForDriver(void);

sceDbgpSetDTraceBreakpointHandlerForDriver

Version	NID
0.940-0.945	not present
0.990-3.60	0x0509AC51

In FW 0.990-0.995, 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