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Committed new debugger with AMX fixes

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This commit is contained in:
David Anderson
2005-09-09 03:23:31 +00:00
parent 7ce59966fc
commit 4738c92b8e
14 changed files with 2665 additions and 1936 deletions
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33
amxmodx/CForward.cpp
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@@ -30,8 +30,7 @@
*/ */
#include "amxmodx.h" #include "amxmodx.h"
#include "debugger.h"
void AMXAPI amxx_InvalidateTrace(AMX *amx);
CForward::CForward(const char *name, ForwardExecType et, int numParams, const ForwardParam *paramTypes) CForward::CForward(const char *name, ForwardExecType et, int numParams, const ForwardParam *paramTypes)
{ {
@@ -74,9 +73,9 @@ cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
{ {
// Get debug info // Get debug info
AMX *amx = (*iter).pPlugin->getAMX(); AMX *amx = (*iter).pPlugin->getAMX();
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)(amx->userdata[2]); Debugger *pDebugger = (Debugger *)amx->userdata[UD_DEBUGGER];
if (pInfo) if (pDebugger)
pInfo->error = AMX_ERR_NONE; pDebugger->BeginExec();
// handle strings & arrays // handle strings & arrays
int i, ax=0; int i, ax=0;
for (i = 0; i < m_NumParams; ++i) for (i = 0; i < m_NumParams; ++i)
@@ -124,16 +123,17 @@ cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
if (err != AMX_ERR_NONE) if (err != AMX_ERR_NONE)
{ {
//Did something else set an error? //Did something else set an error?
if (pInfo && pInfo->error != AMX_ERR_NONE) if (pDebugger && pDebugger->ErrorExists())
{ {
//we don't care, something else logged the error. //we don't care, something else logged the error.
} else { } else if (err != -1) {
//nothing logged the error so spit it out anyway //nothing logged the error so spit it out anyway
LogError(amx, err, ""); LogError(amx, err, NULL);
} }
} }
amxx_InvalidateTrace(amx);
amx->error = AMX_ERR_NONE; amx->error = AMX_ERR_NONE;
if (pDebugger)
pDebugger->EndExec();
// cleanup strings & arrays // cleanup strings & arrays
for (i = 0; i < m_NumParams; ++i) for (i = 0; i < m_NumParams; ++i)
@@ -229,9 +229,9 @@ cell CSPForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
if (!pPlugin->isExecutable(m_Func)) if (!pPlugin->isExecutable(m_Func))
return 0; return 0;
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)(m_Amx->userdata[2]); Debugger *pDebugger = (Debugger *)m_Amx->userdata[UD_DEBUGGER];
if (pInfo) if (pDebugger)
pInfo->error = AMX_ERR_NONE; pDebugger->BeginExec();
// handle strings & arrays // handle strings & arrays
int i; int i;
@@ -276,15 +276,16 @@ cell CSPForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
if (err != AMX_ERR_NONE) if (err != AMX_ERR_NONE)
{ {
//Did something else set an error? //Did something else set an error?
if (pInfo && pInfo->error != AMX_ERR_NONE) if (pDebugger && pDebugger->ErrorExists())
{ {
//we don't care, something else logged the error. //we don't care, something else logged the error.
} else { } else if (err != -1) {
//nothing logged the error so spit it out anyway //nothing logged the error so spit it out anyway
LogError(m_Amx, err, ""); LogError(m_Amx, err, NULL);
} }
} }
amxx_InvalidateTrace(m_Amx); if (pDebugger)
pDebugger->EndExec();
m_Amx->error = AMX_ERR_NONE; m_Amx->error = AMX_ERR_NONE;
// cleanup strings & arrays // cleanup strings & arrays

4
amxmodx/CPlugin.cpp
View File

@@ -134,7 +134,7 @@ void CPluginMngr::clear() {
CPluginMngr::CPlugin* CPluginMngr::findPluginFast(AMX *amx) CPluginMngr::CPlugin* CPluginMngr::findPluginFast(AMX *amx)
{ {
return (CPlugin*)(amx->userdata[3]); return (CPlugin*)(amx->userdata[UD_FINDPLUGIN]);
} }
CPluginMngr::CPlugin* CPluginMngr::findPlugin(AMX *amx) { CPluginMngr::CPlugin* CPluginMngr::findPlugin(AMX *amx) {
@@ -197,7 +197,7 @@ CPluginMngr::CPlugin::CPlugin(int i, const char* p,const char* n, char* e, int d
} else { } else {
status = ps_bad_load; status = ps_bad_load;
} }
amx.userdata[3] = this; amx.userdata[UD_FINDPLUGIN] = this;
paused_fun = 0; paused_fun = 0;
next = 0; next = 0;
id = i; id = i;

BIN
amxmodx/JIT/amxexecn.o
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BIN
amxmodx/JIT/amxexecn.obj
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44
amxmodx/amx.cpp
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@@ -450,11 +450,15 @@ int AMXAPI amx_Callback(AMX *amx, cell index, cell *result, cell *params)
* This trick cannot work in the JIT, because the program would need to * This trick cannot work in the JIT, because the program would need to
* be re-JIT-compiled after patching a P-code instruction. * be re-JIT-compiled after patching a P-code instruction.
*/ */
#if defined JIT && !defined NDEBUG #if !defined JIT
if ((amx->flags & AMX_FLAG_JITC)!=0) if (amx->sysreq_d != 0)
assert(amx->sysreq_d==0); {
#endif //if we're about to patch this, and we're debugging, don't patch!
if (amx->sysreq_d!=0) { //otherwise we won't be able to get back native names
if (amx->flags & AMX_FLAG_DEBUG)
{
amx->sysreq_d = 0;
} else {
/* at the point of the call, the CIP pseudo-register points directly /* at the point of the call, the CIP pseudo-register points directly
* behind the SYSREQ instruction and its parameter. * behind the SYSREQ instruction and its parameter.
*/ */
@@ -467,11 +471,13 @@ int AMXAPI amx_Callback(AMX *amx, cell index, cell *result, cell *params)
if (*(cell*)code!=OP_SYSREQ_PRI) { if (*(cell*)code!=OP_SYSREQ_PRI) {
assert(*(cell*)(code-sizeof(cell))==OP_SYSREQ_C); assert(*(cell*)(code-sizeof(cell))==OP_SYSREQ_C);
assert(*(cell*)code==index); assert(*(cell*)code==index);
#endif #endif //defined __GNU__ || defined ASM32
*(cell*)(code-sizeof(cell))=amx->sysreq_d; *(cell*)(code-sizeof(cell))=amx->sysreq_d;
*(cell*)code=(cell)f; *(cell*)code=(cell)f;
} /* if */ } /* if */
} /* if */ } /* if */
} /* if */
#endif //!defined JIT
/* Note: /* Note:
* params[0] == number of bytes for the additional parameters passed to the native function * params[0] == number of bytes for the additional parameters passed to the native function
@@ -547,6 +553,7 @@ static int amx_BrowseRelocate(AMX *amx)
*/ */
if ((amx->flags & AMX_FLAG_JITC)==0 && sizeof(AMX_NATIVE)<=sizeof(cell)) if ((amx->flags & AMX_FLAG_JITC)==0 && sizeof(AMX_NATIVE)<=sizeof(cell))
amx->sysreq_d=opcode_list[OP_SYSREQ_D]; amx->sysreq_d=opcode_list[OP_SYSREQ_D];
amx->userdata[UD_OPCODELIST] = (void *)opcode_list;
#else #else
/* ANSI C /* ANSI C
* to use direct system requests, a function pointer must fit in a cell; * to use direct system requests, a function pointer must fit in a cell;
@@ -554,6 +561,7 @@ static int amx_BrowseRelocate(AMX *amx)
*/ */
if (sizeof(AMX_NATIVE)<=sizeof(cell)) if (sizeof(AMX_NATIVE)<=sizeof(cell))
amx->sysreq_d=OP_SYSREQ_D; amx->sysreq_d=OP_SYSREQ_D;
amx->userdata[UD_OPCODELIST] = (long)NULL;
#endif #endif
/* start browsing code */ /* start browsing code */
@@ -1676,7 +1684,13 @@ int AMXAPI amx_PushString(AMX *amx, cell *amx_addr, cell **phys_addr, const char
#define SKIPPARAM(n) ( cip=(cell *)cip+(n) ) #define SKIPPARAM(n) ( cip=(cell *)cip+(n) )
#define PUSH(v) ( stk-=sizeof(cell), *(cell *)(data+(int)stk)=v ) #define PUSH(v) ( stk-=sizeof(cell), *(cell *)(data+(int)stk)=v )
#define POP(v) ( v=*(cell *)(data+(int)stk), stk+=sizeof(cell) ) #define POP(v) ( v=*(cell *)(data+(int)stk), stk+=sizeof(cell) )
#define ABORT(amx,v) { (amx)->stk=reset_stk; (amx)->hea=reset_hea; return v; } #define ABORT(amx,v) { (amx)->stk=reset_stk; \
(amx)->hea=reset_hea; \
(amx)->cip=(cell)cip; \
(amx)->pri=pri; \
(amx)->alt=alt; \
return v; \
}
#define CHKMARGIN() if (hea+STKMARGIN>stk) return AMX_ERR_STACKERR #define CHKMARGIN() if (hea+STKMARGIN>stk) return AMX_ERR_STACKERR
#define CHKSTACK() if (stk>amx->stp) return AMX_ERR_STACKLOW #define CHKSTACK() if (stk>amx->stp) return AMX_ERR_STACKLOW
@@ -2471,6 +2485,8 @@ static const void * const amx_opcodelist[] = {
amx->hea=hea; amx->hea=hea;
amx->frm=frm; amx->frm=frm;
amx->stk=stk; amx->stk=stk;
amx->pri=pri;
amx->alt=alt;
num=amx->callback(amx,pri,&pri,(cell *)(data+(int)stk)); num=amx->callback(amx,pri,&pri,(cell *)(data+(int)stk));
if (num!=AMX_ERR_NONE) { if (num!=AMX_ERR_NONE) {
if (num==AMX_ERR_SLEEP) { if (num==AMX_ERR_SLEEP) {
@@ -2490,6 +2506,8 @@ static const void * const amx_opcodelist[] = {
amx->hea=hea; amx->hea=hea;
amx->frm=frm; amx->frm=frm;
amx->stk=stk; amx->stk=stk;
amx->pri=pri;
amx->alt=alt;
num=amx->callback(amx,offs,&pri,(cell *)(data+(int)stk)); num=amx->callback(amx,offs,&pri,(cell *)(data+(int)stk));
if (num!=AMX_ERR_NONE) { if (num!=AMX_ERR_NONE) {
if (num==AMX_ERR_SLEEP) { if (num==AMX_ERR_SLEEP) {
@@ -2509,6 +2527,8 @@ static const void * const amx_opcodelist[] = {
amx->hea=hea; amx->hea=hea;
amx->frm=frm; amx->frm=frm;
amx->stk=stk; amx->stk=stk;
amx->pri=pri;
amx->alt=alt;
pri=((AMX_NATIVE)offs)(amx,(cell *)(data+(int)stk)); pri=((AMX_NATIVE)offs)(amx,(cell *)(data+(int)stk));
if (amx->error!=AMX_ERR_NONE) { if (amx->error!=AMX_ERR_NONE) {
if (amx->error==AMX_ERR_SLEEP) { if (amx->error==AMX_ERR_SLEEP) {
@@ -2578,6 +2598,8 @@ static const void * const amx_opcodelist[] = {
amx->frm=frm; amx->frm=frm;
amx->stk=stk; amx->stk=stk;
amx->hea=hea; amx->hea=hea;
amx->pri=pri;
amx->alt=alt;
amx->cip=(cell)((unsigned char*)cip-code); amx->cip=(cell)((unsigned char*)cip-code);
num=amx->debug(amx); num=amx->debug(amx);
if (num!=AMX_ERR_NONE) { if (num!=AMX_ERR_NONE) {
@@ -3445,6 +3467,8 @@ int AMXAPI amx_Exec(AMX *amx, cell *retval, int index)
amx->hea=hea; amx->hea=hea;
amx->frm=frm; amx->frm=frm;
amx->stk=stk; amx->stk=stk;
amx->pri=pri;
amx->alt=alt;
num=amx->callback(amx,pri,&pri,(cell *)(data+(int)stk)); num=amx->callback(amx,pri,&pri,(cell *)(data+(int)stk));
if (num!=AMX_ERR_NONE) { if (num!=AMX_ERR_NONE) {
if (num==AMX_ERR_SLEEP) { if (num==AMX_ERR_SLEEP) {
@@ -3464,6 +3488,8 @@ int AMXAPI amx_Exec(AMX *amx, cell *retval, int index)
amx->hea=hea; amx->hea=hea;
amx->frm=frm; amx->frm=frm;
amx->stk=stk; amx->stk=stk;
amx->pri=pri;
amx->alt=alt;
num=amx->callback(amx,offs,&pri,(cell *)(data+(int)stk)); num=amx->callback(amx,offs,&pri,(cell *)(data+(int)stk));
if (num!=AMX_ERR_NONE) { if (num!=AMX_ERR_NONE) {
if (num==AMX_ERR_SLEEP) { if (num==AMX_ERR_SLEEP) {
@@ -3483,6 +3509,8 @@ int AMXAPI amx_Exec(AMX *amx, cell *retval, int index)
amx->hea=hea; amx->hea=hea;
amx->frm=frm; amx->frm=frm;
amx->stk=stk; amx->stk=stk;
amx->pri=pri;
amx->alt=alt;
pri=((AMX_NATIVE)offs)(amx,(cell *)(data+(int)stk)); pri=((AMX_NATIVE)offs)(amx,(cell *)(data+(int)stk));
if (amx->error!=AMX_ERR_NONE) { if (amx->error!=AMX_ERR_NONE) {
if (amx->error==AMX_ERR_SLEEP) { if (amx->error==AMX_ERR_SLEEP) {
@@ -3546,6 +3574,8 @@ int AMXAPI amx_Exec(AMX *amx, cell *retval, int index)
amx->frm=frm; amx->frm=frm;
amx->stk=stk; amx->stk=stk;
amx->hea=hea; amx->hea=hea;
amx->pri=pri;
amx->alt=alt;
amx->cip=(cell)((unsigned char*)cip-code); amx->cip=(cell)((unsigned char*)cip-code);
num=amx->debug(amx); num=amx->debug(amx);
if (num!=AMX_ERR_NONE) { if (num!=AMX_ERR_NONE) {

21
amxmodx/amx.h
View File

@@ -242,6 +242,7 @@ typedef struct tagAMX {
long usertags[AMX_USERNUM] PACKED; long usertags[AMX_USERNUM] PACKED;
//okay userdata[3] in AMX Mod X is for the CPlugin * pointer //okay userdata[3] in AMX Mod X is for the CPlugin * pointer
//we're also gonna set userdata[2] to a special debug structure //we're also gonna set userdata[2] to a special debug structure
//lastly, userdata[1] is for opcode_list from amx_BrowseRelocate
void _FAR *userdata[AMX_USERNUM] PACKED; void _FAR *userdata[AMX_USERNUM] PACKED;
/* native functions can raise an error */ /* native functions can raise an error */
int error PACKED; int error PACKED;
@@ -335,23 +336,9 @@ enum {
#define AMX_COMPACTMARGIN 64 #define AMX_COMPACTMARGIN 64
#endif #endif
struct amx_trace #define UD_FINDPLUGIN 3
{ #define UD_DEBUGGER 2
cell frm; #define UD_OPCODELIST 1
amx_trace *prev;
amx_trace *next;
bool used;
};
struct AMX_DBGINFO
{
void *pDebug; //Pointer to debug data
int error; //non-amx_Exec() error setting
amx_trace *pTrace; //Pointer to stack trace
amx_trace *pTraceFrm;
amx_trace *pTraceEnd;
cell frm;
};
/* for native functions that use floating point parameters, the following /* for native functions that use floating point parameters, the following
* two macros are convenient for casting a "cell" into a "float" type _without_ * two macros are convenient for casting a "cell" into a "float" type _without_

64
amxmodx/amxexecn.asm
View File

@@ -129,6 +129,28 @@
jg near err_stack jg near err_stack
%endmacro %endmacro
;Normal abort, saves pri/alt
%macro _ABORT 1
mov ebp,amx
mov [ebp+_pri], dword eax ; store values in AMX structure (PRI, ALT)
mov [ebp+_alt], dword edx ; store values in AMX structure (PRI, ALT)
mov [ebp+_error], dword %1
jmp _return
%endmacro
;Checked abort, saves nothing and uses a conditional
%macro _CHKABORT 1
mov ebp,amx
mov [ebp+_error], %1
cmp %1, AMX_ERR_NONE
jne _return
%endmacro
;Fast abort, only aborts, nothing else
%macro _FASTABORT 0
jmp _return
%endmacro
%macro _CHKHEAP 0 %macro _CHKHEAP 0
mov ebp,amx mov ebp,amx
mov ebp,[ebp+_hlw] mov ebp,[ebp+_hlw]
@@ -1196,8 +1218,7 @@ OP_HALT:
mov eax,esi ; EAX=CIP mov eax,esi ; EAX=CIP
sub eax,code sub eax,code
mov [ebp+_cip],eax mov [ebp+_cip],eax
mov eax,ebx ; return the parameter of the HALT opcode _ABORT ebx
jmp _return
OP_BOUNDS: OP_BOUNDS:
@@ -1221,6 +1242,7 @@ OP_SYSREQ_PRI:
mov alt,edx ; save ALT mov alt,edx ; save ALT
mov [ebp+_stk],ecx ; store values in AMX structure (STK, HEA, FRM) mov [ebp+_stk],ecx ; store values in AMX structure (STK, HEA, FRM)
;we don't save regs since they're useless after this
mov ecx,hea mov ecx,hea
mov ebx,frm mov ebx,frm
mov [ebp+_hea],ecx mov [ebp+_hea],ecx
@@ -1251,8 +1273,7 @@ OP_SYSREQ_PRI:
pop edi ; restore saved registers pop edi ; restore saved registers
pop esi pop esi
pop ebp pop ebp
cmp eax,AMX_ERR_NONE _CHKABORT eax ; if result was invalid, leave
jne near _return ; return error code, if any
mov eax,pri ; get retval into eax (PRI) mov eax,pri ; get retval into eax (PRI)
mov edx,alt ; restore ALT mov edx,alt ; restore ALT
@@ -1293,8 +1314,8 @@ OP_SYSREQ_D: ; (TR)
pop edi ; restore saved registers pop edi ; restore saved registers
pop esi pop esi
pop ebp pop ebp
cmp DWORD [ebp+_error],AMX_ERR_NONE mov eax,[ebp+_error]
jne near _return ; return error code, if any _CHKABORT eax
; function result is in eax (PRI) ; function result is in eax (PRI)
mov edx,alt ; restore ALT mov edx,alt ; restore ALT
@@ -1416,7 +1437,7 @@ OP_BREAK:
mov [ebp+_error],eax ; save EAX (error code) before restoring all regs mov [ebp+_error],eax ; save EAX (error code) before restoring all regs
_RESTOREREGS ; abort run, but restore stack first _RESTOREREGS ; abort run, but restore stack first
mov eax,[ebp+_error] ; get error code in EAX back again mov eax,[ebp+_error] ; get error code in EAX back again
jmp _return ; return error code _FASTABORT
break_noabort: break_noabort:
_RESTOREREGS _RESTOREREGS
mov eax,[ebp+_pri] ; restore PRI and ALT mov eax,[ebp+_pri] ; restore PRI and ALT
@@ -1425,43 +1446,34 @@ OP_BREAK:
OP_INVALID: OP_INVALID:
mov eax,AMX_ERR_INVINSTR _ABORT AMX_ERR_INVINSTR
jmp _return
err_call: err_call:
mov eax,AMX_ERR_CALLBACK _ABORT AMX_ERR_CALLBACK
jmp _return
err_stack: err_stack:
mov eax,AMX_ERR_STACKERR _ABORT AMX_ERR_STACKERR
jmp _return
err_stacklow: err_stacklow:
mov eax,AMX_ERR_STACKLOW _ABORT AMX_ERR_STACKLOW
jmp _return
err_memaccess: err_memaccess:
mov eax,AMX_ERR_MEMACCESS _ABORT AMX_ERR_MEMACCESS
jmp _return
err_bounds: err_bounds:
mov eax,AMX_ERR_BOUNDS _ABORT AMX_ERR_BOUNDS
jmp _return
err_heaplow: err_heaplow:
mov eax,AMX_ERR_HEAPLOW _ABORT AMX_ERR_HEAPLOW
jmp _return
err_divide: err_divide:
mov eax,AMX_ERR_DIVIDE _ABORT AMX_ERR_DIVIDE
jmp _return
_return: _return:
; save a few parameters, mostly for the "sleep"function ; save a few parameters, mostly for the "sleep"function
mov ebp,amx ; get amx into ebp mov ebp,amx ; get amx into ebp
mov [ebp+_pri],eax ; store values in AMX structure (PRI, ALT) mov [ebp+_cip],esi ; get corrected cip for amxmodx
mov [ebp+_alt],edx ; store values in AMX structure (PRI, ALT) mov eax,[ebp+_error]; get error code
pop esi ; remove FRM from stack pop esi ; remove FRM from stack

2
amxmodx/amxmodx.h
View File

@@ -80,7 +80,6 @@ extern AMX_NATIVE_INFO float_Natives[];
extern AMX_NATIVE_INFO string_Natives[]; extern AMX_NATIVE_INFO string_Natives[];
extern AMX_NATIVE_INFO vault_Natives[]; extern AMX_NATIVE_INFO vault_Natives[];
#ifndef __linux__ #ifndef __linux__
#define DLLOAD(path) (DLHANDLE)LoadLibrary(path) #define DLLOAD(path) (DLHANDLE)LoadLibrary(path)
#define DLPROC(m,func) GetProcAddress(m,func) #define DLPROC(m,func) GetProcAddress(m,func)
@@ -133,7 +132,6 @@ struct WeaponsVault {
struct fakecmd_t { struct fakecmd_t {
char args[256]; char args[256];
const char *argv[3]; const char *argv[3];
//char argv[3][128];
int argc; int argc;
bool fake; bool fake;
}; };

784
amxmodx/debugger.cpp Executable file
View File

@@ -0,0 +1,784 @@
/* AMX Mod X
*
* by the AMX Mod X Development Team
* originally developed by OLO
*
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*/
#include "amxmodx.h"
#include "debugger.h"
#if !defined WIN32 && !defined _WIN32
#define _snprintf sprintf
#endif
/**
* AMX Mod X Debugging Engine
* Written by David "BAILOPAN" Anderson
*/
enum AmxOpcodes
{
OP_NONE, /* invalid opcode */
OP_LOAD_PRI,
OP_LOAD_ALT,
OP_LOAD_S_PRI,
OP_LOAD_S_ALT,
OP_LREF_PRI,
OP_LREF_ALT,
OP_LREF_S_PRI,
OP_LREF_S_ALT,
OP_LOAD_I,
OP_LODB_I,
OP_CONST_PRI,
OP_CONST_ALT,
OP_ADDR_PRI,
OP_ADDR_ALT,
OP_STOR_PRI,
OP_STOR_ALT,
OP_STOR_S_PRI,
OP_STOR_S_ALT,
OP_SREF_PRI,
OP_SREF_ALT,
OP_SREF_S_PRI,
OP_SREF_S_ALT,
OP_STOR_I,
OP_STRB_I,
OP_LIDX,
OP_LIDX_B,
OP_IDXADDR,
OP_IDXADDR_B,
OP_ALIGN_PRI,
OP_ALIGN_ALT,
OP_LCTRL,
OP_SCTRL,
OP_MOVE_PRI,
OP_MOVE_ALT,
OP_XCHG,
OP_PUSH_PRI,
OP_PUSH_ALT,
OP_PUSH_R,
OP_PUSH_C,
OP_PUSH,
OP_PUSH_S,
OP_POP_PRI,
OP_POP_ALT,
OP_STACK,
OP_HEAP,
OP_PROC,
OP_RET,
OP_RETN,
OP_CALL,
OP_CALL_PRI,
OP_JUMP,
OP_JREL,
OP_JZER,
OP_JNZ,
OP_JEQ,
OP_JNEQ,
OP_JLESS,
OP_JLEQ,
OP_JGRTR,
OP_JGEQ,
OP_JSLESS,
OP_JSLEQ,
OP_JSGRTR,
OP_JSGEQ,
OP_SHL,
OP_SHR,
OP_SSHR,
OP_SHL_C_PRI,
OP_SHL_C_ALT,
OP_SHR_C_PRI,
OP_SHR_C_ALT,
OP_SMUL,
OP_SDIV,
OP_SDIV_ALT,
OP_UMUL,
OP_UDIV,
OP_UDIV_ALT,
OP_ADD,
OP_SUB,
OP_SUB_ALT,
OP_AND,
OP_OR,
OP_XOR,
OP_NOT,
OP_NEG,
OP_INVERT,
OP_ADD_C,
OP_SMUL_C,
OP_ZERO_PRI,
OP_ZERO_ALT,
OP_ZERO,
OP_ZERO_S,
OP_SIGN_PRI,
OP_SIGN_ALT,
OP_EQ,
OP_NEQ,
OP_LESS,
OP_LEQ,
OP_GRTR,
OP_GEQ,
OP_SLESS,
OP_SLEQ,
OP_SGRTR,
OP_SGEQ,
OP_EQ_C_PRI,
OP_EQ_C_ALT,
OP_INC_PRI,
OP_INC_ALT,
OP_INC,
OP_INC_S,
OP_INC_I,
OP_DEC_PRI,
OP_DEC_ALT,
OP_DEC,
OP_DEC_S,
OP_DEC_I,
OP_MOVS,
OP_CMPS,
OP_FILL,
OP_HALT,
OP_BOUNDS,
OP_SYSREQ_PRI,
OP_SYSREQ_C,
OP_FILE, /* obsolete */
OP_LINE, /* obsolete */
OP_SYMBOL, /* obsolete */
OP_SRANGE, /* obsolete */
OP_JUMP_PRI,
OP_SWITCH,
OP_CASETBL,
OP_SWAP_PRI,
OP_SWAP_ALT,
OP_PUSHADDR,
OP_NOP,
OP_SYSREQ_D,
OP_SYMTAG, /* obsolete */
OP_BREAK,
/* ----- */
OP_NUM_OPCODES
} OPCODE;
const char *GenericError(int err);
Debugger::Tracer::~Tracer()
{
Clear();
}
void Debugger::Tracer::StepI(cell frm, cell cip)
{
if (m_pEnd == NULL)
{
assert(m_Reset);
if (m_pStart == NULL)
m_pStart = new trace_info();
m_pEnd = m_pStart;
m_Reset = true;
m_pEnd->cip = cip;
m_pEnd->frm = frm;
m_pEnd->used = true;
} else {
if (m_pEnd->frm > frm)
{
//the last frame has moved down the stack.
//push a new call onto our list
if (m_pEnd->next)
{
m_pEnd = m_pEnd->next;
m_pEnd->used = true;
} else {
trace_info *pInfo = new trace_info();
m_pEnd->next = pInfo;
pInfo->prev = m_pEnd;
pInfo->used = true;
m_pEnd = pInfo;
}
//if we're pushing a new call, save the initial frame
m_pEnd->frm = frm;
} else if (m_pEnd->frm < frm) {
//the last frame has moved up the stack.
//pop a call from our list
m_pEnd->used = false;
m_pEnd = m_pEnd->prev;
}
//no matter where we are, save the current cip
m_pEnd->cip = cip;
}
}
void Debugger::Tracer::Clear()
{
trace_info *pInfo, *pNext;
pInfo = m_pStart;
while (pInfo)
{
pNext = pInfo->next;
delete pInfo;
pInfo = pNext;
}
m_pStart = NULL;
m_pEnd = NULL;
m_Error = AMX_ERR_NONE;
m_Reset = true;
}
void Debugger::Tracer::Reset()
{
trace_info *pInfo = m_pStart;
while (pInfo && pInfo->used)
{
pInfo->used = false;
pInfo = pInfo->next;
}
m_pEnd = NULL;
m_Error = AMX_ERR_NONE;
m_Reset = true;
}
trace_info_t *Debugger::Tracer::GetStart() const
{
return m_pStart;
}
trace_info_t *Debugger::Tracer::GetEnd() const
{
return m_pEnd;
}
void Debugger::BeginExec()
{
m_Top++;
assert(m_Top >= 0);
if (m_Top >= (int)m_pCalls.size())
{
Tracer *pTracer = new Tracer();
m_pCalls.push_back(pTracer);
assert(m_Top == (m_pCalls.size() - 1));
}
m_pCalls[m_Top]->Reset();
}
void Debugger::EndExec()
{
assert(m_Top >= 0 && m_Top < (int)m_pCalls.size());
m_pCalls[m_Top]->Reset();
m_Top--;
}
void Debugger::StepI()
{
assert(m_Top >= 0 && m_Top < (int)m_pCalls.size());
m_pCalls[m_Top]->StepI(m_pAmx->frm, m_pAmx->cip);
}
void Debugger::Reset()
{
//no call state
m_Top = -1;
}
int Debugger::GetTracedError()
{
assert(m_Top >= 0 && m_Top < (int)m_pCalls.size());
return m_pCalls[m_Top]->m_Error;
}
void Debugger::SetTracedError(int error)
{
assert(m_Top >= 0 && m_Top < (int)m_pCalls.size());
m_pCalls[m_Top]->m_Error = error;
}
trace_info_t *Debugger::GetTraceStart() const
{
assert(m_Top >= 0 && m_Top < (int)m_pCalls.size());
return m_pCalls[m_Top]->GetEnd();
}
bool Debugger::GetTraceInfo(trace_info_t *pTraceInfo, long &line, const char *&function, const char *&file)
{
cell addr = pTraceInfo->cip;
dbg_LookupFunction(m_pAmxDbg, addr, &function);
dbg_LookupLine(m_pAmxDbg, addr, &line);
dbg_LookupFile(m_pAmxDbg, addr, &file);
return true;
}
trace_info_t *Debugger::GetNextTrace(trace_info_t *pTraceInfo)
{
if (!pTraceInfo->prev || !pTraceInfo->prev->used)
return NULL;
return pTraceInfo->prev;
}
bool Debugger::ErrorExists()
{
assert(m_Top >= 0 && m_Top < (int)m_pCalls.size());
return (m_pCalls[m_Top]->m_Error != AMX_ERR_NONE);
}
#define FLAG_INDIRECT (1<<0)
//vaddr - the address of our current index vector
//base - the base address of which the array is offset to
//dim - the current dimension to search
//dimNum - the number of dimensions total
//sizes[] - an array containing the dimension sizes
//Indexes[] - an output array to contain each dimension's index
int WalkArray(cell *vaddr, unsigned char *base, cell *addr, int dim, int dimNum, int &flags, int sizes[], int Indexes[])
{
cell *my_addr;
int idx = 0;
//if we are the second to last walker, we only need to check the ranges of our vector.
if (dim == dimNum - 2)
{
my_addr = vaddr;
//first check the actual vectors themselves
for (int i=0; i<sizes[dim]; i++)
{
if (addr == my_addr)
return i;
my_addr++;
}
return -1;
}
//otherwise, search lower vectors!
//vaddr is the address where we can start reading vectors
flags |= FLAG_INDIRECT;
for (int i=0; i<sizes[dim]; i++)
{
//the next vector is offset from the last address!
//this is funky but that's the internal implementation
my_addr = (cell *)((char *)vaddr + i*sizeof(cell) + vaddr[i]);
idx = WalkArray(my_addr, base, addr, dim+1, dimNum, flags, sizes, Indexes);
if (idx != -1)
{
Indexes[dim+1] = idx;
return i;
}
}
return -1;
}
int Debugger::FormatError(char *buffer, size_t maxLength)
{
if (!ErrorExists())
return -1;
assert(m_Top >= 0 && m_Top < (int)m_pCalls.size());
Tracer *pTracer = m_pCalls[m_Top];
int error = pTracer->m_Error;
const char *gen_err = GenericError(error);
int size = 0;
trace_info_t *pTrace = pTracer->GetEnd();
cell cip = _CipAsVa(m_pAmx->cip);
cell *p_cip = NULL;
int amx_err = AMX_ERR_NONE;
size += _snprintf(buffer, maxLength, "Run time error %d: %s ", error, gen_err);
buffer += size;
maxLength -= size;
if (error == AMX_ERR_NATIVE)
{
char native_name[32];
int num = 0;
//go two instructions back
cip -= (sizeof(cell) * 2);
int instr = _GetOpcodeFromCip(cip, p_cip);
if (instr == OP_SYSREQ_C)
{
num = (int)*p_cip;
} else if (instr == OP_SYSREQ_PRI) {
num = (int)m_pAmx->pri;
}
if (num)
amx_err = amx_GetNative(m_pAmx, (int)*p_cip, native_name);
else
amx_err = AMX_ERR_NOTFOUND;
if (!amx_err)
size += _snprintf(buffer, maxLength, "(native \"%s\")", native_name);
} else if (error == AMX_ERR_BOUNDS) {
tagAMX_DBG *pDbg = m_pAmxDbg;
int symbols = pDbg->hdr->symbols;
int index = 0;
tagAMX_DBG_SYMBOL **pSymbols = pDbg->symboltbl;
tagAMX_DBG_SYMBOL *pSymbol, *pLastSymbol=NULL;
const tagAMX_DBG_SYMDIM *pDims;
ucell addr = 0;
int flags = 0;
char v_class, i_dent;
cell *arr_addr=NULL, *p_addr=NULL;
unsigned char *data = m_pAmx->base + ((AMX_HEADER *)m_pAmx->base)->dat;
bool valid=false;
//we can't really browse the assembly because
// we've no idea what the peephole optimizer did.
// so we're gonna try to go out on a limb and guess.
if (m_pAmx->alt < 0)
{
//take a guess that it's local
addr = m_pAmx->alt - pTrace->frm;
v_class = 1;
} else {
//take a guess that it's a global
//it won't be global if it's passed in from the stack frame, however
// doing this with a hardcoded array size is quite rare, and is probably passed
// as iREFARRAY not iARRAY!
addr = m_pAmx->alt;
v_class = 0;
}
bool found = false;
bool _found = true;
static char _msgbuf[255];
size_t _size = 0;
//take a pre-emptive guess at the v_class!
//are we GLOBAL (0) or LOCAL (1) ?
if (m_pAmx->alt < 0)
{
v_class = 1;
i_dent = iARRAY;
arr_addr = (cell *)(data + pTrace->frm + m_pAmx->alt);
} else {
//it's greater than 0, check other things!
if (m_pAmx->alt >= m_pAmx->hlw &&
m_pAmx->alt <= m_pAmx->stp)
{
//it's in the stack somewhere... guess that it's a local!
v_class = 1;
//relocate it
m_pAmx->alt -= pTrace->frm;
//alt cannot be zero
if (m_pAmx->alt < 0)
i_dent = iARRAY;
else
i_dent = iREFARRAY;
arr_addr = (cell *)(data + pTrace->frm + m_pAmx->alt);
} else {
//guess that it's DAT
v_class = 0;
i_dent = iARRAY;
arr_addr = (cell *)(data + m_pAmx->alt);
}
}
for (index = 0; index < symbols; index++)
{
pSymbol = pSymbols[index];
if (pSymbol->codestart <= (ucell)cip &&
pSymbol->codeend >= (ucell)cip &&
(pSymbol->ident == iARRAY || pSymbol->ident == iREFARRAY))
{
amx_err = dbg_GetArrayDim(pDbg, pSymbol, &pDims);
if (amx_err != AMX_ERR_NONE)
continue;
//calculate the size of the array. this is important!
ucell size = pDims[0].size;
ucell aggre = pDims[0].size;
valid = false;
for (int16_t i=1; i<pSymbol->dim; i++)
{
aggre *= pDims[i].size;
size += aggre;
}
if (pSymbol->vclass != v_class)
continue;
if (pSymbol->ident != i_dent)
continue;
if (v_class == 1)
{
if (i_dent == iARRAY)
{
p_addr = (cell *)(data + pTrace->frm + pSymbol->address);
} else if (i_dent == iREFARRAY) {
//get the variable off the stack, by reference
ucell _addr = (ucell)*((cell *)(data + pTrace->frm + pSymbol->address));
p_addr = (cell *)(data + _addr);
}
} else if (v_class == 0) {
p_addr = (cell *)(data + pSymbol->address);
}
int *sizes = new int[pSymbol->dim];
int *indexes = new int[pSymbol->dim];
for (int i=0; i<pSymbol->dim; i++)
{
sizes[i] = pDims[i].size;
indexes[i] = -1;
}
flags = 0;
if (pSymbol->dim >= 2)
{
int dims = pSymbol->dim;
indexes[0] = WalkArray(p_addr, data, arr_addr, 0, pSymbol->dim, flags, sizes, indexes);
if (indexes[0] == -1)
{
while (indexes[0] == -1 && --dims > 0)
{
flags = 0;
indexes[0] = WalkArray(p_addr, data, arr_addr, 0, dims, flags, sizes, indexes);
}
}
//find the last known good dimension
for (dims=pSymbol->dim-1; dims>=0; dims--)
{
if (indexes[dims] != -1)
break;
}
//check for the "impossible" case.
//if we have [X][-1], and X is zero, the array did not walk properly.
if (dims >= 0
&& indexes[dims] == 0
&& !(flags & FLAG_INDIRECT)
&& dims < pSymbol->dim - 1)
{
//here we have the dreaded MIXED CASE. we don't know whether
//[-][X] or [0][-] (where - is a bad input) was intended.
//first, we take a guess by checking the bounds.
cell *_cip = (cell *)_CipAsVa(cip);
_cip -= 1;
cell bounds = *_cip;
if (sizes[dims] != sizes[dims+1])
{
//we were checking initial bounds
if (bounds == sizes[dims] - 1)
{
indexes[dims] = m_pAmx->pri;
} else if (bounds == sizes[dims+1] - 1) {
indexes[dims + 1] = m_pAmx->pri;
indexes[dims] = 0;
} else {
//this should really never happen...
_found = false;
}
} else {
_found = false;
}
if (!_found)
{
//we still don't have a good approximation.
//the user did something like:
//new X[40][40]
//we could do some really complicated and random guesswork
// but fact is, we have no way of deterministically knowing
// what the user intended.
}
} else {
//set the last know index to our culprit
indexes[dims + 1] = m_pAmx->pri;
}
} else {
indexes[0] = m_pAmx->pri;
}
_size += _snprintf(&(_msgbuf[_size]), sizeof(_msgbuf)-_size, "(array \"%s", pSymbol->name);
for (int i=0; i<pSymbol->dim; i++)
_size += _snprintf(&(_msgbuf[_size]), sizeof(_msgbuf)-_size, "[%d]", pDims[i].size);
if (_found)
{
_size += _snprintf(&(_msgbuf[_size]), sizeof(_msgbuf)-_size, "\") (indexed \"");
for (int i=0; i<pSymbol->dim; i++)
{
if (indexes[i] == -1)
_size += _snprintf(&(_msgbuf[_size]), sizeof(_msgbuf)-_size, "[]");
else
_size += _snprintf(&(_msgbuf[_size]), sizeof(_msgbuf)-_size, "[%d]", indexes[i]);
}
_size += _snprintf(&(_msgbuf[_size]), sizeof(_msgbuf)-_size, "\")");
} else {
_size += _snprintf(&(_msgbuf[_size]), sizeof(_msgbuf)-_size, "\") (unknown index \"%d\")", m_pAmx->pri);
}
found = true;
delete [] indexes;
delete [] sizes;
break;
} /* symbol validation */
} /* is in valid ranges */
if (!found)
_msgbuf[0] = '\0';
size += _snprintf(buffer, maxLength, "%s", _msgbuf);
}
return size;
}
cell Debugger::_CipAsVa(cell cip)
{
AMX_HEADER *hdr = (AMX_HEADER*)(m_pAmx->base);
unsigned char *code = m_pAmx->base + (int)hdr->cod;
if (cip >= (cell)code && cip < (cell)(m_pAmx->base + (int)hdr->dat))
{
return (cell)(cip-(cell)code);
} else {
return (cell)(code + cip);
}
}
int Debugger::_GetOpcodeFromCip(cell cip, cell *&addr)
{
AMX_HEADER *hdr = (AMX_HEADER*)(m_pAmx->base);
unsigned char *code = m_pAmx->base + (int)hdr->cod;
cell *p_cip = NULL;
//test if cip is between these
if (cip >= (cell)code && cip < (cell)(m_pAmx->base + (int)hdr->dat))
{
p_cip = (cell *)(cip);
} else {
p_cip = (cell *)(code + cip);
}
//move forward one entry
addr = p_cip + 1;
//p_cip should be aligned to an instruction!
cell instr = *p_cip;
if (instr < 1 || instr >= OP_NUM_OPCODES)
{
if (!m_pOpcodeList)
return 0;
//we have an invalid opcode, so try searching for it
for (cell i=1; i<OP_NUM_OPCODES; i++)
{
if ((cell)m_pOpcodeList[i] == instr)
{
instr = i;
break;
}
}
if (instr < 1 || instr >= OP_NUM_OPCODES)
instr = 0; //nothing found
}
return (int)instr;
}
void Debugger::_CacheAmxOpcodeList()
{
m_pOpcodeList = (cell *)m_pAmx->userdata[UD_OPCODELIST];
}
//by BAILOPAN
// generic error printing routine
// for pawn 3.0 this is just a wrapper
const char *GenericError(int err)
{
static const char *amx_errs[] =
{
NULL,
"forced exit",
"assertion failed",
"stack error",
"index out of bounds",
"memory access",
"invalid instruction",
"stack low",
"heap low",
"callback",
"native error",
"divide",
"sleep",
"invalid access state",
NULL,
NULL,
"out of memory", //16
"bad file format",
"bad file version",
"function not found",
"invalid entry point",
"debugger cannot run",
"plugin un or re-initialized",
"userdata table full",
"JIT failed to initialize",
"parameter error",
"domain error",
};
//does this plugin have line ops?
const char *geterr = NULL;
if (err <= 26 && err > 0)
geterr = amx_errs[err];
return geterr ? geterr : "unknown error";
}
int AMXAPI Debugger::DebugHook(AMX *amx)
{
Debugger *pDebugger = NULL;
if (!amx || !(amx->flags & AMX_FLAG_DEBUG))
return AMX_ERR_NONE;
pDebugger = (Debugger *)amx->userdata[UD_DEBUGGER];
if (!pDebugger)
return AMX_ERR_NONE;
pDebugger->StepI();
return AMX_ERR_NONE;
}
void Debugger::Clear()
{
for (size_t i=0; i<m_pCalls.size(); i++)
delete m_pCalls[i];
m_pCalls.clear();
}
Debugger::~Debugger()
{
Clear();
}

136
amxmodx/debugger.h Executable file
View File

@@ -0,0 +1,136 @@
/* AMX Mod X
*
* by the AMX Mod X Development Team
* originally developed by OLO
*
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*/
#ifndef _INCLUDE_DEBUGGER_H_
#define _INCLUDE_DEBUGGER_H_
#include "CVector.h"
#include "amxdbg.h"
/**
* Third revision of the AMX Mod X Plugin Debugger.
* This final, object oriented version is safe for multiple calls and lets you
* fine-tune error handling.
* -BAILOPAN
*/
class Debugger
{
public:
class Tracer
{
public:
struct trace_info
{
trace_info() : cip(0), frm(0), used(false), next(NULL), prev(NULL)
{
};
cell cip;
cell frm;
trace_info *next;
trace_info *prev;
bool used;
};
public:
Tracer() : m_Error(0), m_pStart(NULL), m_pEnd(NULL), m_Reset(true) { };
~Tracer();
public:
void StepI(cell frm, cell cip);
void Reset();
void Clear();
Debugger::Tracer::trace_info *GetStart() const;
Debugger::Tracer::trace_info *GetEnd() const;
public:
int m_Error;
private:
trace_info *m_pStart;
trace_info *m_pEnd;
bool m_Reset;
};
public:
Debugger(AMX *pAmx, AMX_DBG *pAmxDbg) :
m_pAmx(pAmx), m_pAmxDbg(pAmxDbg), m_Top(-1)
{
_CacheAmxOpcodeList();
};
~Debugger();
public:
//Begin a trace for a function
void BeginExec();
//Step through one instruction
void StepI();
//Get/set the last traced error
int GetTracedError();
void SetTracedError(int error);
//Get the first trace info of the call stack
Debugger::Tracer::trace_info *GetTraceStart() const;
//Get extra info about the call stack
bool GetTraceInfo(Debugger::Tracer::trace_info *pTraceInfo, long &line, const char *&function, const char *&file);
//Get the next trace in the call stack, NULL if none
Debugger::Tracer::trace_info *GetNextTrace(Debugger::Tracer::trace_info *pTraceInfo);
//Returns true if an error exists
bool ErrorExists();
//Formats the error message into a buffer.
//returns length of data copied, or -1 if there is no error.
int FormatError(char *buffer, size_t maxLength);
//End a trace
void EndExec();
//Reset the internal states as if the debugger was inactive
void Reset();
//Destroy internal states for shutdown
void Clear();
public:
//generic static opcode breaker
static int AMXAPI DebugHook(AMX *amx);
private:
void _CacheAmxOpcodeList();
int _GetOpcodeFromCip(cell cip, cell *&addr);
cell _CipAsVa(cell cip);
public:
AMX *m_pAmx;
AMX_DBG *m_pAmxDbg;
int m_Top;
cell *m_pOpcodeList;
CVector<Tracer *> m_pCalls;
};
typedef Debugger::Tracer::trace_info trace_info_t;
#endif //_INCLUDE_DEBUGGER_H_

348
amxmodx/modules.cpp
View File

@@ -42,6 +42,7 @@
#include "amxdbg.h" #include "amxdbg.h"
#include "newmenus.h" #include "newmenus.h"
#include "natives.h" #include "natives.h"
#include "debugger.h"
CList<CModule,const char*> g_modules; CList<CModule,const char*> g_modules;
CList<CScript,AMX*> g_loadedscripts; CList<CScript,AMX*> g_loadedscripts;
@@ -96,166 +97,6 @@ void free_amxmemory(void **ptr)
*ptr = 0; *ptr = 0;
} }
void amxx_FreeTrace(AMX_DBGINFO *pInfo)
{
amx_trace *pTrace = pInfo->pTrace;
amx_trace *pTemp = NULL;
while (pTrace)
{
pTemp = pTrace->next;
delete pTrace;
pTrace = pTemp;
}
pInfo->pTrace = NULL;
pInfo->pTraceFrm = NULL;
pInfo->pTraceEnd = NULL;
}
//returns true if this was the last call
bool amxx_RemTraceCall(AMX_DBGINFO *pInfo)
{
amx_trace *pTrace = pInfo->pTraceFrm;
assert(pTrace != NULL);
pInfo->pTraceFrm = pTrace->prev;
pTrace->used = false;
if (pInfo->pTraceFrm == NULL)
{
//invalidate the trace
pInfo->frm = 0;
return true;
}
return false;
}
void amxx_FreeDebug(AMX *amx)
{
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)amx->userdata[2];
if (pInfo)
{
AMX_DBG *pDbg = (AMX_DBG *)pInfo->pDebug;
if (pDbg)
{
dbg_FreeInfo(pDbg);
delete pDbg;
}
if (pInfo->pTrace)
amxx_FreeTrace(pInfo);
delete pInfo;
amx->userdata[2] = NULL;
}
}
amx_trace *amxx_AddTraceCall(AMX_DBGINFO *pInfo)
{
amx_trace *pTrace = NULL;
if (pInfo->pTrace == NULL)
{
pTrace = new amx_trace;
memset(pTrace, 0, sizeof(amx_trace));
pInfo->pTrace = pTrace;
pInfo->pTraceFrm = pTrace;
pInfo->pTraceEnd = pTrace;
} else if (pInfo->pTraceFrm == NULL) {
pTrace = pInfo->pTrace;
pInfo->pTraceFrm = pTrace;
} else {
if (pInfo->pTraceFrm->next == NULL)
{
//if we are at the end of the list...
assert(pInfo->pTraceFrm == pInfo->pTraceEnd);
pTrace = new amx_trace;
memset(pTrace, 0, sizeof(amx_trace));
pTrace->prev = pInfo->pTraceEnd;
pInfo->pTraceEnd->next = pTrace;
pInfo->pTraceEnd = pTrace;
pInfo->pTraceFrm = pTrace;
} else {
//we are somewhere else. whatever.
pTrace = pInfo->pTraceFrm->next;
pInfo->pTraceFrm = pTrace;
}
}
pTrace->used = true;
return pTrace;
}
void AMXAPI amxx_InvalidateTrace(AMX *amx)
{
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)(amx->userdata[2]);
if (!pInfo)
return;
amx_trace *pTrace = pInfo->pTrace;
while (pTrace && pTrace->used)
{
pTrace->used = false;
pTrace = pTrace->next;
}
pInfo->pTraceFrm = NULL;
pInfo->frm = 0;
}
int AMXAPI amxx_DebugHook(AMX *amx)
{
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)amx->userdata[2];
if ( !(amx->flags & AMX_FLAG_DEBUG) || !pInfo )
return AMX_ERR_DEBUG;
enum StackState
{
Stack_Same,
Stack_Push,
Stack_Pop,
};
StackState state = Stack_Same;
if (!pInfo->frm)
{
pInfo->frm = amx->frm;
state = Stack_Push;
} else {
//Are we stepping through a different frame?
if (amx->frm < pInfo->frm)
{
pInfo->frm = amx->frm;
state = Stack_Push;
} else if (amx->frm > pInfo->frm) {
pInfo->frm = amx->frm;
state = Stack_Pop;
}
}
if (state == Stack_Push)
{
amx_trace *pTrace = amxx_AddTraceCall(pInfo);
pTrace->frm = amx->cip;
} else if (state == Stack_Pop) {
if (amxx_RemTraceCall(pInfo))
{
pInfo->frm = 0;
}
} else if (state == Stack_Same) {
//save the cip
amx_trace *pTrace = pInfo->pTraceFrm;
assert(pTrace != NULL);
pTrace->frm = amx->cip;
}
return AMX_ERR_NONE;
}
int load_amxscript(AMX *amx, void **program, const char *filename, char error[64], int debug) int load_amxscript(AMX *amx, void **program, const char *filename, char error[64], int debug)
{ {
*error = 0; *error = 0;
@@ -368,23 +209,19 @@ int load_amxscript(AMX *amx, void **program, const char *filename, char error[64
return (amx->error = AMX_ERR_INIT); return (amx->error = AMX_ERR_INIT);
} }
AMX_DBGINFO *pInfo = new AMX_DBGINFO;
memset(pInfo, 0, sizeof(AMX_DBGINFO));
amx->userdata[2] = (void *)pInfo;
pInfo->error = AMX_ERR_NONE;
pInfo->pDebug = (void *)pDbg;
if (will_be_debugged) if (will_be_debugged)
{ {
#ifdef JIT
amx->flags |= AMX_FLAG_DEBUG; amx->flags |= AMX_FLAG_DEBUG;
#endif amx->flags &= (~AMX_FLAG_JITC);
amx_SetDebugHook(amx, amxx_DebugHook); amx_SetDebugHook(amx, &Debugger::DebugHook);
Debugger *pDebugger = new Debugger(amx, pDbg);
amx->userdata[UD_DEBUGGER] = pDebugger;
} else { } else {
//set this again because amx_Init() erases it!
#ifdef JIT #ifdef JIT
//set this again because amx_Init() erases it!
amx->flags |= AMX_FLAG_JITC; amx->flags |= AMX_FLAG_JITC;
amx->flags &= (~AMX_FLAG_DEBUG);
amx->sysreq_d = NULL; amx->sysreq_d = NULL;
#endif #endif
} }
@@ -594,7 +431,9 @@ int set_amxnatives(AMX* amx,char error[128])
int unload_amxscript(AMX* amx, void** program) int unload_amxscript(AMX* amx, void** program)
{ {
int flags = amx->flags; int flags = amx->flags;
amxx_FreeDebug(amx); Debugger *pDebugger = (Debugger *)amx->userdata[UD_DEBUGGER];
if (pDebugger)
delete pDebugger;
CList<CScript,AMX*>::iterator a = g_loadedscripts.find( amx ); CList<CScript,AMX*>::iterator a = g_loadedscripts.find( amx );
if ( a ) a.remove(); if ( a ) a.remove();
char *prg = (char *)*program; char *prg = (char *)*program;
@@ -1443,137 +1282,72 @@ void MNF_Log(const char *fmt, ...)
AMXXLOG_Log("%s", msg); AMXXLOG_Log("%s", msg);
} }
bool amxx_GetPluginData(AMX *amx, cell addr, long &line, const char *&filename, const char *&function)
{
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)(amx->userdata[2]);
if (pInfo && pInfo->pDebug)
{
AMX_DBG *pDbg = (AMX_DBG *)pInfo->pDebug;
dbg_LookupFunction(pDbg, addr, &function);
dbg_LookupLine(pDbg, addr, &line);
dbg_LookupFile(pDbg, addr, &filename);
return true;
}
return false;
}
//by BAILOPAN
// generic error printing routine
// for pawn 3.0 this is just a wrapper
const char *GenericError(int err)
{
static const char *amx_errs[] =
{
NULL,
"forced exit",
"assertion failed",
"stack error",
"index out of bounds",
"memory access",
"invalid instruction",
"stack low",
"heap low",
"callback",
"native",
"divide",
"sleep",
"invalid access state",
NULL,
NULL,
"out of memory", //16
"bad file format",
"bad file version",
"function not found",
"invalid entry point",
"debugger cannot run",
"plugin un or re-initialized",
"userdata table full",
"JIT failed to initialize",
"parameter error",
"domain error",
};
//does this plugin have line ops?
const char *geterr = NULL;
if (err > 26 || err < 0)
geterr = "";
else
geterr = amx_errs[err];
return geterr;
}
//by BAILOPAN //by BAILOPAN
// debugger engine front end // debugger engine front end
void LogError(AMX *amx, int err, const char *fmt, ...) void LogError(AMX *amx, int err, const char *fmt, ...)
{ {
//does this plugin have debug info? Debugger *pDebugger = (Debugger *)amx->userdata[UD_DEBUGGER];
va_list arg;
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)(amx->userdata[2]);
const char *name = get_amxscriptname(amx);
static char buf[1024];
static char vbuf[1024];
*buf = 0;
*vbuf = 0;
if (fmt[0] == '\0') amx->error = err;
CPluginMngr::CPlugin *pl = g_plugins.findPluginFast(amx);
const char *filename = "";
if (pl)
{ {
_snprintf(vbuf, sizeof(vbuf)-1, "Run time error %d (%s)", err, GenericError(err)); filename = pl->getName();
} else { } else {
va_start(arg, fmt); CList<CScript,AMX*>::iterator a = g_loadedscripts.find(amx);
vsprintf(vbuf, fmt, arg); if (a)
va_end(arg); filename = (*a).getName();
} }
bool invalidate = false; static char msg_buffer[4096];
AMXXLOG_Log("[AMXX] %s", vbuf); if (fmt != NULL)
if (!pInfo || !(amx->flags & AMX_FLAG_DEBUG) || !pInfo->pDebug)
{ {
va_list ap;
va_start(ap, fmt);
_vsnprintf(msg_buffer, sizeof(msg_buffer)-1, fmt, ap);
va_end(ap);
}
AMXXLOG_Log("[AMXX] Debug is not enabled (plugin \"%s\")", name); if (fmt != NULL)
invalidate = true; AMXXLOG_Log("%s", msg_buffer);
} else {
long line;
const char *filename = NULL;
const char *function = NULL;
amx_trace *pTrace = pInfo->pTraceFrm;
int i=0, iLine;
cell frame;
AMXXLOG_Log("[AMXX] Displaying call trace (plugin \"%s\")", name); if (!pDebugger)
{
//give the module's error first. makes the report look nicer.
AMXXLOG_Log("[AMXX] Run time error %d (plugin \"%s\") - debug not enabled!", err, filename);
AMXXLOG_Log("[AMXX] To enable debug mode, add \"debug\" after the plugin name in plugins.ini (without quotes).");
//destroy original error code so the original is not displayed again
amx->error = -1;
return;
}
pDebugger->SetTracedError(err);
char buffer[512];
pDebugger->FormatError(buffer, sizeof(buffer)-1);
AMXXLOG_Log("[AMXX] Displaying debug trace (plugin \"%s\")", filename);
AMXXLOG_Log("[AMXX] %s", buffer);
int count = 0;
long lLine;
const char *file, *function;
trace_info_t *pTrace = pDebugger->GetTraceStart();
while (pTrace) while (pTrace)
{ {
frame = pTrace->frm; pDebugger->GetTraceInfo(pTrace, lLine, function, file);
AMXXLOG_Log(
if (amxx_GetPluginData(amx, frame, line, filename, function)) "[AMXX] [%d] %s::%s (line %d)",
{ count,
//line seems to be 1 off o_O file,
iLine = static_cast<int>(line) + 1; function,
AMXXLOG_Log("[AMXX] [%d] %s::%s (line %d)", (int)(lLine + 1)
i,
filename?filename:"",
function?function:"",
iLine
); );
count++;
pTrace = pDebugger->GetNextTrace(pTrace);
} }
pTrace->used = false;
pTrace = pTrace->prev;
i++;
}
//by now we have already invalidated
pInfo->pTraceFrm = NULL;
pInfo->frm = 0;
}
if (invalidate)
amxx_InvalidateTrace(amx);
//set these so ForwardMngr knows not to call us again
//This will also halt the script!
amx->error = err;
pInfo->error = err;
} }
void MNF_MergeDefinitionFile(const char *file) void MNF_MergeDefinitionFile(const char *file)

9
amxmodx/msvc/amxmodx_mm.vcproj
View File

@@ -42,12 +42,13 @@
<Tool <Tool
Name="VCLinkerTool" Name="VCLinkerTool"
AdditionalOptions="/MACHINE:I386" AdditionalOptions="/MACHINE:I386"
AdditionalDependencies="odbc32.lib odbccp32.lib ..\zlib\zlib.lib" AdditionalDependencies="..\JIT\natives-x86.obj ..\zlib\zlib.lib"
OutputFile="debug/amxmodx_mm.dll" OutputFile="debug/amxmodx_mm.dll"
Version="0.1" Version="0.1"
LinkIncremental="1" LinkIncremental="1"
SuppressStartupBanner="TRUE" SuppressStartupBanner="TRUE"
AdditionalLibraryDirectories="..\extra\lib_win32" AdditionalLibraryDirectories="..\extra\lib_win32"
IgnoreDefaultLibraryNames="MSVCRT"
ModuleDefinitionFile="" ModuleDefinitionFile=""
GenerateDebugInformation="TRUE" GenerateDebugInformation="TRUE"
ProgramDatabaseFile=".\debug/amxx_mm.pdb" ProgramDatabaseFile=".\debug/amxx_mm.pdb"
@@ -639,6 +640,9 @@
<File <File
RelativePath="..\CVault.cpp"> RelativePath="..\CVault.cpp">
</File> </File>
<File
RelativePath="..\debugger.cpp">
</File>
<File <File
RelativePath="..\emsg.cpp"> RelativePath="..\emsg.cpp">
</File> </File>
@@ -797,6 +801,9 @@
<File <File
RelativePath="..\CVector.h"> RelativePath="..\CVector.h">
</File> </File>
<File
RelativePath="..\debugger.h">
</File>
<File <File
RelativePath="..\fakemeta.h"> RelativePath="..\fakemeta.h">
</File> </File>

8
amxmodx/version.rc
View File

@@ -27,8 +27,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
// //
VS_VERSION_INFO VERSIONINFO VS_VERSION_INFO VERSIONINFO
FILEVERSION 1,5,5,0 FILEVERSION 1,5,6,0
PRODUCTVERSION 1,5,5,0 PRODUCTVERSION 1,5,6,0
FILEFLAGSMASK 0x17L FILEFLAGSMASK 0x17L
#ifdef _DEBUG #ifdef _DEBUG
FILEFLAGS 0x1L FILEFLAGS 0x1L
@@ -45,12 +45,12 @@ BEGIN
BEGIN BEGIN
VALUE "Comments", "AMX Mod X" VALUE "Comments", "AMX Mod X"
VALUE "FileDescription", "AMX Mod X" VALUE "FileDescription", "AMX Mod X"
VALUE "FileVersion", "1.55" VALUE "FileVersion", "1.56"
VALUE "InternalName", "amxmodx" VALUE "InternalName", "amxmodx"
VALUE "LegalCopyright", "Copyright (c) 2004-2005, AMX Mod X Dev Team" VALUE "LegalCopyright", "Copyright (c) 2004-2005, AMX Mod X Dev Team"
VALUE "OriginalFilename", "amxmodx_mm.dll" VALUE "OriginalFilename", "amxmodx_mm.dll"
VALUE "ProductName", "AMX Mod X" VALUE "ProductName", "AMX Mod X"
VALUE "ProductVersion", "1.55" VALUE "ProductVersion", "1.56"
END END
END END
BLOCK "VarFileInfo" BLOCK "VarFileInfo"