UNLOZE/sm-ext-dhooks2
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Add support for custom calling convention passing arguments in registers

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If the compiler decided to pass an argument in a register on an internal function instead of pushing it on the stack to save time, allow us to specify the register the parameter is going to be in.

DHookAddParam received another parameter to set the register.
This commit is contained in:
Peace-Maker
2018-01-23 03:15:03 +01:00
parent 5d21350e9e
commit 1b9fa3743f
17 changed files with 555 additions and 36 deletions
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sourcemod/scripting/dynhooks-test.sp
+4 -4
View File
@@ -6,7 +6,7 @@
Handle hFlashbangDetonateDetour;
Handle hFlashbangDeafen;
Handle hPercentageOfFlashForPlayer;
//Handle hPercentageOfFlashForPlayer;
public void OnPluginStart()
{
@@ -40,7 +40,7 @@ public void OnPluginStart()
if (!DHookSetFromConf(hFlashbangDeafen, temp, SDKConf_Signature, "Deafen"))
SetFailState("Failed to load Deafen signature from gamedata");
DHookAddParam(hFlashbangDeafen, HookParamType_Float);
DHookAddParam(hFlashbangDeafen, HookParamType_Float, .custom_register=DHookRegister_XMM1);
if (!DHookEnableDetour(hFlashbangDeafen, false, Detour_OnDeafen))
SetFailState("Failed to detour Deafen.");
@@ -51,7 +51,7 @@ public void OnPluginStart()
PrintToServer("CCSPlayer::Deafen detoured!");
hPercentageOfFlashForPlayer = DHookCreateDetour(Address_Null, CallConv_CDECL, ReturnType_Float, ThisPointer_Ignore);
/*hPercentageOfFlashForPlayer = DHookCreateDetour(Address_Null, CallConv_CDECL, ReturnType_Float, ThisPointer_Ignore);
if (!hPercentageOfFlashForPlayer)
SetFailState("Failed to setup detour for PercentageOfFlashForPlayer");
@@ -68,7 +68,7 @@ public void OnPluginStart()
if (!DHookEnableDetour(hPercentageOfFlashForPlayer, true, Detour_OnPercentageOfFlashForPlayer_Post))
SetFailState("Failed to detour PercentageOfFlashForPlayer post.");
PrintToServer("PercentageOfFlashForPlayer detoured!");
PrintToServer("PercentageOfFlashForPlayer detoured!");*/
}
public MRESReturn Detour_OnFlashbangDetonate(int pThis)
sourcemod/scripting/include/dhooks.inc
+41 -1
View File
@@ -98,6 +98,45 @@ enum DHookPassFlag
DHookPass_OASSIGNOP = (1<<4), /**< Object has an assignment operator */
};
enum DHookRegister
{
// Don't change the register and use the default for the calling convention.
DHookRegister_Default,
// 8-bit general purpose registers
DHookRegister_AL,
DHookRegister_CL,
DHookRegister_DL,
DHookRegister_BL,
DHookRegister_AH,
DHookRegister_CH,
DHookRegister_DH,
DHookRegister_BH,
// 32-bit general purpose registers
DHookRegister_EAX,
DHookRegister_ECX,
DHookRegister_EDX,
DHookRegister_EBX,
DHookRegister_ESP,
DHookRegister_EBP,
DHookRegister_ESI,
DHookRegister_EDI,
// 128-bit XMM registers
DHookRegister_XMM0,
DHookRegister_XMM1,
DHookRegister_XMM2,
DHookRegister_XMM3,
DHookRegister_XMM4,
DHookRegister_XMM5,
DHookRegister_XMM6,
DHookRegister_XMM7,
// 80-bit FPU registers
DHookRegister_ST0
};
typeset ListenCB
{
//Deleted
@@ -198,7 +237,8 @@ native bool DHookDisableDetour(Handle setup, bool post, DHookCallback callback);
* @error Invalid setup handle or too many params added (request upping the max in thread)
* @noreturn
*/
native void DHookAddParam(Handle setup, HookParamType type, int size=-1, DHookPassFlag flag=DHookPass_ByVal);
native void DHookAddParam(Handle setup, HookParamType type, int size=-1, DHookPassFlag flag=DHookPass_ByVal, DHookRegister custom_register=DHookRegister_Default);
//native void DHookAddParam(Handle setup, HookParamType type, int size=-1, DHookPassFlag flag=DHookPass_ByVal);
//native DHookAddParam(Handle:setup, HookParamType:type);
/* Hook entity