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-rw-r--r--src/plugins/dbghelpplug.c91
1 files changed, 54 insertions, 37 deletions
diff --git a/src/plugins/dbghelpplug.c b/src/plugins/dbghelpplug.c
index 1d531574d..d121e9492 100644
--- a/src/plugins/dbghelpplug.c
+++ b/src/plugins/dbghelpplug.c
@@ -3,6 +3,7 @@
// Portions Copyright (c) Athena Dev Teams
// Ported from eAthena Dev Team's version @ http://eathena-project.googlecode.com/svn/trunk/src/plugins/dbghelpplug.c
+// Currently supported dbghelp 5.1
#include <stdio.h>
#include <string.h>
@@ -219,6 +220,10 @@ typedef struct _InternalData {
"Please report the crash in the bug tracker:\n" \
"http://hercules.ws/board/tracker/\n"
+// Print object children?
+// WARNING: This will generate huge dump files!
+//#define DBG_PRINT_CHILDREN
+
/////////////////////////////////////////////////////////////////////
// Global variables
@@ -354,10 +359,12 @@ Dhp__PrintProcessInfo(
cmd_line);
// Print system information
- fprintf(log_file,
- "Platform: %s\n CPU: %s\nApplication architecture: %s\nCompiler: %s\n%s: %s\n",
- sysinfo->osversion(), sysinfo->cpu(), (sysinfo->is64bit())?"x64":"x86",
- sysinfo->compiler(), sysinfo->vcstype(), sysinfo->vcsrevision_src());
+ if( sysinfo ) {
+ fprintf(log_file,
+ "Platform: %s\n CPU: %s\nApplication architecture: %s\nCompiler: %s\n%s: %s\n",
+ sysinfo->osversion(), sysinfo->cpu(), (sysinfo->is64bit())?"x64":"x86",
+ sysinfo->compiler(), sysinfo->vcstype(), sysinfo->vcsrevision_src());
+ }
// print the exception code
if( exception )
@@ -948,6 +955,12 @@ Dhp__PrintDataValue(
BYTE b = 0;
for( i = 0; i < length; ++i )
b += p[i]; // add to make sure it's not optimized out in release mode
+
+ // Don't continue if there's no valid data
+ if( b == 0 ) {
+ fprintf(log_file, "<no data>");
+ return;
+ }
}
__except( EXCEPTION_EXECUTE_HANDLER )
{
@@ -1050,6 +1063,7 @@ Dhp__PrintDataValue(
Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
break;
}
+ LocalFree(&childSymtag);
if( !SymGetTypeInfo_( hProcess, modBase, typeIndex, TI_GET_COUNT, &count) )
{
fprintf(log_file, "<count not found>");
@@ -1069,29 +1083,30 @@ Dhp__PrintDataValue(
}
break;
default:
-#if 0
- {//## TODO show children of structs/unions
- TI_FINDCHILDREN_PARAMS* children;
- DWORD childCount;
+#ifdef DBG_PRINT_CHILDREN
+ {
+ TI_FINDCHILDREN_PARAMS *children = NULL;
+ size_t childrenSize;
+ DWORD childCount = 0;
DWORD i;
// count children
- if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_CHILDRENCOUNT, &childCount) )
- {
- fprintf(log_file, "<child count not found>");
+ if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_GET_CHILDRENCOUNT, &childCount)
+ || !childCount ) {
+ fprintf(log_file, "<no children found>");
Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
- break;
+ return;
}
// Prepare to get an array of "TypeIds", representing each of the children.
// SymGetTypeInfo(TI_FINDCHILDREN) expects more memory than just a
// TI_FINDCHILDREN_PARAMS struct has. Use derivation to accomplish this.
- children = (TI_FINDCHILDREN_PARAMS*)LocalAlloc(LMEM_FIXED, sizeof(TI_FINDCHILDREN_PARAMS)+childCount*sizeof(ULONG));
+ childrenSize = sizeof(TI_FINDCHILDREN_PARAMS)+childCount*sizeof(ULONG);
+ children = (TI_FINDCHILDREN_PARAMS*)LocalAlloc(LMEM_ZEROINIT, childrenSize);
children->Count = childCount;
- children->Start= 0;
// Get the array of TypeIds, one for each child type
- if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_FINDCHILDREN, &children) )
+ if( !SymGetTypeInfo_(hProcess, modBase, typeIndex, TI_FINDCHILDREN, children) || !children )
{
fprintf(log_file, "<children not found>");
Dhp__PrintValueBytes(log_file, (BYTE*)pVariable, length);
@@ -1100,15 +1115,15 @@ Dhp__PrintDataValue(
}
// Iterate through each of the children
- fprintf(log_file, "{");
+ fprintf(log_file, "\n{");
for( i = 0; i < childCount; ++i )
{
DWORD childOffset;
- DWORD childTypeid;
- WCHAR* childName;
+ WCHAR *childName = NULL;
+ DWORD childTypeId;
DWORD_PTR pData;
- if( i > 0 ) fprintf(log_file, ",");
+ fprintf(log_file, "\n\t");
// Get the offset of the child member, relative to its parent
if( !SymGetTypeInfo_(hProcess, modBase, children->ChildId[i], TI_GET_OFFSET, &childOffset) )
@@ -1117,30 +1132,26 @@ Dhp__PrintDataValue(
continue;
}
- // Get the real "TypeId" of the child.
- if( !SymGetTypeInfo_(hProcess, modBase, children->ChildId[i], TI_GET_TYPEID, &childTypeid) )
- {
- fprintf(log_file, "<child typeid not found>");
- continue;
- }
-
// Calculate the address of the member
pData = (DWORD_PTR)pVariable;
pData += childOffset;
- // print name of the child
- if( !SymGetTypeInfo_(hProcess, modBase, childTypeid, TI_GET_SYMNAME, &childName) )
- {
- fprintf(log_file, "<child symname not found>");
- continue;
+ if( !SymGetTypeInfo_(hProcess, modBase, children->ChildId[i], TI_GET_SYMNAME, &childName) ) {
+ fprintf(log_file, "<child symbol name not found>");
+ continue;
}
fprintf(log_file, "%ws=", childName);
LocalFree(childName);
+ if( !SymGetTypeInfo_(hProcess, modBase, children->ChildId[i], TI_GET_TYPEID, &childTypeId) ) {
+ fprintf(log_file, "<child type id not found>");
+ continue;
+ }
+
// print contents of the child
- Dhp__PrintDataContents(childTypeid, (PVOID)pData, interData);
+ Dhp__PrintDataContents(childTypeId, (PVOID)pData, pInterData);
}
- fprintf(log_file, "}");
+ fprintf(log_file, "\n}");
LocalFree(children);
}
@@ -1434,7 +1445,8 @@ Dhp__PrintFunctionDetails(
pInterData->log_locals = FALSE;
pInterData->log_globals = FALSE;
pInterData->nr_of_var = 0;
- SymEnumSymbols_(hProcess, 0, 0, Dhp__EnumSymbolsCallback, pInterData);
+ if( !SymEnumSymbols_(hProcess, 0, 0, Dhp__EnumSymbolsCallback, pInterData) )
+ fprintf(log_file, "<failed enumerating symbols>");
fprintf(log_file,
")");
@@ -1466,7 +1478,8 @@ Dhp__PrintFunctionDetails(
pInterData->log_locals = TRUE;
pInterData->log_globals = FALSE;
pInterData->nr_of_var = 0;
- SymEnumSymbols_(hProcess, 0, 0, Dhp__EnumSymbolsCallback, pInterData);
+ if( !SymEnumSymbols_(hProcess, 0, 0, Dhp__EnumSymbolsCallback, pInterData) )
+ fprintf(log_file, "!!failed enumerating symbols!!");
pInterData->nr_of_frame = ++nr_of_frame;
LocalFree(pSymbolInfo);
@@ -1614,7 +1627,10 @@ Dhp__LoadDbghelpDll()
// Initialize the dbghelp DLL with the default path and automatic
// module enumeration (and loading of symbol tables) for this process.
- SymInitialize_(GetCurrentProcess(), NULL, TRUE);
+ if( !SymInitialize_(GetCurrentProcess(), NULL, TRUE) ) {
+ printf("Failed to initialize symbols. Error: %u\n", GetLastError());
+ return FALSE;
+ }
return TRUE;
}
@@ -1633,7 +1649,8 @@ Dhp__LoadDbghelpDll()
static VOID
Dhp__UnloadDbghlpDll()
{
- SymCleanup_(GetCurrentProcess());
+ if( !SymCleanup_(GetCurrentProcess()) )
+ printf("Failed to cleanup symbols! Error: %u\n", GetLastError());
FreeLibrary(dbghelp_dll);
dbghelp_dll = NULL;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 12:43:19 +0000