IDebugControl5.GetContextStackTraceEx 的内联堆栈帧？
Inline stack frames with IDebugControl5.GetContextStackTraceEx?
如何使用内联框架解析 DEBUG_STACK_FRAME_EX 的符号？
我知道 DEBUG_STACK_FRAME_EX 及其 ULONG InlineFrameContext，但我不明白如何将 InlineFrameContext 解析为相应的符号。
INLINE_FRAME_CONTEXT中的FrameSignature和FrameId是什么？
InLineFrameContext 仅是一个联合 FrameType 已定义，它是 ContextValue DWORD
中的第二个字节
对于内联框架，这通常是 25ed0200（大多数时候我注意到，尽管在某些系统 dll 的内联框架中它也可以是 b5b80200
输出与kvf and .inline 1 (.inline enable )
相同
如果您禁用内联
InlineFrameContext would be 0xffffffff
其中 ff is STACK_FRAME_TYPE_IGNORE
25ed / b5b8 , ffff 等 Frame Signature 和 00 FrameID
从符号
中获取
（如果你真的想知道加载符号并从 pdb 获取此签名的 dia sdk com 魔法（dbghelp!g+0xxxx（win10 中的 2360 dbghelp.dll））
无论它们是什么，它们似乎对与符号的任何相互关系都没有用，并且签名在每次调用或 windbg 会话中都不同
和 iirc 在每个 .reload /f
甚至 OutputContextStackTraceEx 函数似乎也不使用签名和 Id（如果类型为 02，则类型用于表示内联）
如果你想试验你可以检查这个代码（它是一个 engextcpp 扩展，所以你编译并加载它在 windbg 和 运行 它会的命令
像 issued kvf
一样打印堆栈以及一些溢出
#include <codeanalysis\warnings.h>
#pragma warning( push )
#pragma warning ( disable : ALL_CODE_ANALYSIS_WARNINGS )
#include <engextcpp.cpp>
#pragma warning( pop )
class EXT_CLASS : public ExtExtension {
public:
EXT_COMMAND_METHOD(gcsex);
};
EXT_DECLARE_GLOBALS();
ULONG64 InstructionOffset; DEBUG_STACK_FRAME ScopeFrame; CONTEXT ScopeContext;
DEBUG_STACK_FRAME_EX FrameEx[0x20];CONTEXT FrameContext[0x20];ULONG FramesFilled;
INLINE_FRAME_CONTEXT Inlineframectx;
EXT_COMMAND( gcsex, "", "" ) {
InstructionOffset = NULL; FramesFilled = NULL;
memset(&ScopeFrame,0,sizeof(ScopeFrame));memset(&ScopeContext,0,sizeof(ScopeContext));
memset(&FrameEx, 0, sizeof(FrameEx)); memset(&FrameContext,0,sizeof(FrameContext));
memset(&Inlineframectx,0,sizeof(Inlineframectx));
m_Symbols->GetScope(&InstructionOffset,&ScopeFrame,&ScopeContext,sizeof(ScopeContext));
Out("%I64X%I64x %X\n",InstructionOffset,ScopeFrame.InstructionOffset,ScopeContext.Eip);
m_Control5->GetContextStackTraceEx( &ScopeContext,sizeof(ScopeContext),
FrameEx,0x20,FrameContext,0x20*sizeof(CONTEXT),sizeof(CONTEXT),&FramesFilled );
Out("Frames Filled = %x\n" , FramesFilled);
for(ULONG i = 0 ; i < FramesFilled; i++) {
Inlineframectx.ContextValue = FrameEx[i].InlineFrameContext;
Out("Inline Frame Context for frame %d=%x\n" , i , FrameEx[i].InlineFrameContext);
Out("Frameid = %x FrameType = %x Frame Signature = %x\n" ,
Inlineframectx.FrameId , Inlineframectx.FrameType , Inlineframectx.FrameSignature);
}
m_Control5->OutputContextStackTraceEx ( DEBUG_OUTCTL_ALL_CLIENTS,FrameEx,FramesFilled,
&FrameContext,FramesFilled*sizeof(CONTEXT),sizeof(CONTEXT),0x1fff );
}
你应该在执行扩展时看到类似这样的东西
0:000> kb
# ChildEBP RetAddr Args to Child
00 (Inline) -------- -------- -------- -------- runasm!helper [e:\test\runasm\runasm.cpp @ 4]
01 0029fd44 0124159a 00000001 0008c5f0 00091a70 runasm!main+0x20 [e:\test\runasm\runasm.cpp @ 32]
02 (Inline) -------- -------- -------- -------- runasm!invoke_main+0x1d [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 74]
03 0029fd90 75d53c45 7ffdf000 0029fddc 778037f5 runasm!__scrt_common_main_seh+0xff [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 264]
04 0029fd9c 778037f5 7ffdf000 75826e8f 00000000 kernel32!BaseThreadInitThunk+0xe
05 0029fddc 778037c8 01241652 7ffdf000 00000000 ntdll!__RtlUserThreadStart+0x70
06 0029fdf4 00000000 01241652 7ffdf000 00000000 ntdll!_RtlUserThreadStart+0x1b
0:000> !gcsex
12412F0 12412f0 12412F0
Frames Filled = 7
Inline Frame Context = for frame 0 = 25ed0200
Frameid = 0 FrameType = 2 Frame Signature = 25ed
Inline Frame Context = for frame 1 = 25ed0100
Frameid = 0 FrameType = 1 Frame Signature = 25ed
Inline Frame Context = for frame 2 = 25ed8200
Frameid = 0 FrameType = 82 Frame Signature = 25ed
Inline Frame Context = for frame 3 = 25ed8100
Frameid = 0 FrameType = 81 Frame Signature = 25ed
Inline Frame Context = for frame 4 = 25ed8100
Frameid = 0 FrameType = 81 Frame Signature = 25ed
Inline Frame Context = for frame 5 = 25ed8100
Frameid = 0 FrameType = 81 Frame Signature = 25ed
Inline Frame Context = for frame 6 = 25ed8100
Frameid = 0 FrameType = 81 Frame Signature = 25ed
# Memory ChildEBP RetAddr Args to Child
00 (Inline) -------- -------- -------- -------- runasm!helper (Inline Function @ 012412f0) (CONV: cdecl) [e:\test\runasm\runasm.cpp @ 4]
01 0029fd44 0124159a 00000001 0008c5f0 00091a70 runasm!main(void)+0x20 (FPO: [0,1,4]) (CONV: cdecl) [e:\test\runasm\runasm.cpp @ 32]
02 4c (Inline) -------- -------- -------- -------- runasm!invoke_main+0x1d (Inline Function @ 0124159a) (CONV: cdecl) [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 74]
03 0 0029fd90 75d53c45 7ffdf000 0029fddc 778037f5 runasm!__scrt_common_main_seh(void)+0xff (FPO: [Non-Fpo]) (CONV: cdecl) [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 264]
04 c 0029fd9c 778037f5 7ffdf000 75826e8f 00000000 kernel32!BaseThreadInitThunk+0xe (FPO: [Non-Fpo])
05 40 0029fddc 778037c8 01241652 7ffdf000 00000000 ntdll!__RtlUserThreadStart+0x70 (FPO: [Non-Fpo])
06 18 0029fdf4 00000000 01241652 7ffdf000 00000000 ntdll!_RtlUserThreadStart+0x1b (FPO: [Non-Fpo])
0:000> .inline
Include inline function queries is "enabled".
0:000> .inline 0
Include inline function queries is "disabled".
0:000> kb
# ChildEBP RetAddr Args to Child
00 0029fd44 0124159a 00000001 0008c5f0 00091a70 runasm!main+0x20 [e:\test\runasm\runasm.cpp @ 32]
01 0029fd90 75d53c45 7ffdf000 0029fddc 778037f5 runasm!__scrt_common_main_seh+0xff [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 264]
02 0029fd9c 778037f5 7ffdf000 75826e8f 00000000 kernel32!BaseThreadInitThunk+0xe
03 0029fddc 778037c8 01241652 7ffdf000 00000000 ntdll!__RtlUserThreadStart+0x70
04 0029fdf4 00000000 01241652 7ffdf000 00000000 ntdll!_RtlUserThreadStart+0x1b
0:000> !gcsex
12412F0 12412f0 12412F0
Frames Filled = 5
Inline Frame Context = for frame 0 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
Inline Frame Context = for frame 1 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
Inline Frame Context = for frame 2 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
Inline Frame Context = for frame 3 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
Inline Frame Context = for frame 4 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
# Memory ChildEBP RetAddr Args to Child
00 0029fd44 0124159a 00000001 0008c5f0 00091a70 runasm!main(void)+0x20 (FPO: [0,1,4]) (CONV: cdecl) [e:\test\runasm\runasm.cpp @ 32]
01 4c 0029fd90 75d53c45 7ffdf000 0029fddc 778037f5 runasm!__scrt_common_main_seh(void)+0xff (FPO: [Non-Fpo]) (CONV: cdecl) [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 264]
02 c 0029fd9c 778037f5 7ffdf000 75826e8f 00000000 kernel32!BaseThreadInitThunk+0xe (FPO: [Non-Fpo])
03 40 0029fddc 778037c8 01241652 7ffdf000 00000000 ntdll!__RtlUserThreadStart+0x70 (FPO: [Non-Fpo])
04 18 0029fdf4 00000000 01241652 7ffdf000 00000000 ntdll!_RtlUserThreadStart+0x1b (FPO: [Non-Fpo])
结果证实了签名因会话而异的编辑
cdb -c "$$>a< gcsex.txt" runasm.exe | grep -i Sign
Frameid = 0 FrameType = 1 Frame Signature = 1e7e
Frameid = 0 FrameType = 82 Frame Signature = 1e7e
Frameid = 0 FrameType = 81 Frame Signature = 1e7e
Frameid = 0 FrameType = 81 Frame Signature = 1e7e
Frameid = 0 FrameType = 81 Frame Signature = 1e7e
Frameid = 0 FrameType = 81 Frame Signature = 1e7e
cdb -c "$$>a< gcsex.txt" runasm.exe | grep -i Sign
Frameid = 0 FrameType = 1 Frame Signature = b649
Frameid = 0 FrameType = 82 Frame Signature = b649
Frameid = 0 FrameType = 81 Frame Signature = b649
Frameid = 0 FrameType = 81 Frame Signature = b649
Frameid = 0 FrameType = 81 Frame Signature = b649
Frameid = 0 FrameType = 81 Frame Signature = b649
cdb -c "$$>a< gcsex.txt" runasm.exe | grep -i Sign
Frameid = 0 FrameType = 1 Frame Signature = decf
Frameid = 0 FrameType = 82 Frame Signature = decf
Frameid = 0 FrameType = 81 Frame Signature = decf
Frameid = 0 FrameType = 81 Frame Signature = decf
Frameid = 0 FrameType = 81 Frame Signature = decf
Frameid = 0 FrameType = 81 Frame Signature = decf
cat gcsex.txt
.load gcsex
bp runasm!main "!gcsex;q"
g
这是使用了一些包装器，但意图应该很明确。
如果 InlineFrameContext 表示它是内联框架，则使用 IDebugSymbols4::GetNameByInlineContext，否则使用 IDebugSymbols4::GetSymbolNameByOffset。
C# 示例如下：
ulong displacement;
var builder = new StringBuilder(256);
var isInlineFrame = frame.InlineFrameContext.FrameType.HasFlag(StackFrameType.Inline);
if (isInlineFrame)
{
_symbols5.GetNameByInlineContext(frame.InstructionOffset, frame.InlineFrameContext.ContextValue, ref builder, out displacement);
}
else {
_symbols5.GetSymbolNameByOffset(frame.InstructionOffset, ref builder, out displacement);
}
var name = builder.ToString();
如何使用内联框架解析 DEBUG_STACK_FRAME_EX 的符号？
我知道 DEBUG_STACK_FRAME_EX 及其 ULONG InlineFrameContext，但我不明白如何将 InlineFrameContext 解析为相应的符号。
INLINE_FRAME_CONTEXT中的FrameSignature和FrameId是什么？
InLineFrameContext 仅是一个联合 FrameType 已定义，它是 ContextValue DWORD
对于内联框架，这通常是 25ed0200（大多数时候我注意到，尽管在某些系统 dll 的内联框架中它也可以是 b5b80200
输出与kvf and .inline 1 (.inline enable )
如果您禁用内联
InlineFrameContext would be 0xffffffff
其中 ff is STACK_FRAME_TYPE_IGNORE
25ed / b5b8 , ffff 等 Frame Signature 和 00 FrameID 从符号
中获取（如果你真的想知道加载符号并从 pdb 获取此签名的 dia sdk com 魔法（dbghelp!g+0xxxx（win10 中的 2360 dbghelp.dll））
无论它们是什么，它们似乎对与符号的任何相互关系都没有用，并且签名在每次调用或 windbg 会话中都不同 和 iirc 在每个 .reload /f
甚至 OutputContextStackTraceEx 函数似乎也不使用签名和 Id（如果类型为 02，则类型用于表示内联）
如果你想试验你可以检查这个代码（它是一个 engextcpp 扩展，所以你编译并加载它在 windbg 和 运行 它会的命令
像 issued kvf
#include <codeanalysis\warnings.h>
#pragma warning( push )
#pragma warning ( disable : ALL_CODE_ANALYSIS_WARNINGS )
#include <engextcpp.cpp>
#pragma warning( pop )
class EXT_CLASS : public ExtExtension {
public:
EXT_COMMAND_METHOD(gcsex);
};
EXT_DECLARE_GLOBALS();
ULONG64 InstructionOffset; DEBUG_STACK_FRAME ScopeFrame; CONTEXT ScopeContext;
DEBUG_STACK_FRAME_EX FrameEx[0x20];CONTEXT FrameContext[0x20];ULONG FramesFilled;
INLINE_FRAME_CONTEXT Inlineframectx;
EXT_COMMAND( gcsex, "", "" ) {
InstructionOffset = NULL; FramesFilled = NULL;
memset(&ScopeFrame,0,sizeof(ScopeFrame));memset(&ScopeContext,0,sizeof(ScopeContext));
memset(&FrameEx, 0, sizeof(FrameEx)); memset(&FrameContext,0,sizeof(FrameContext));
memset(&Inlineframectx,0,sizeof(Inlineframectx));
m_Symbols->GetScope(&InstructionOffset,&ScopeFrame,&ScopeContext,sizeof(ScopeContext));
Out("%I64X%I64x %X\n",InstructionOffset,ScopeFrame.InstructionOffset,ScopeContext.Eip);
m_Control5->GetContextStackTraceEx( &ScopeContext,sizeof(ScopeContext),
FrameEx,0x20,FrameContext,0x20*sizeof(CONTEXT),sizeof(CONTEXT),&FramesFilled );
Out("Frames Filled = %x\n" , FramesFilled);
for(ULONG i = 0 ; i < FramesFilled; i++) {
Inlineframectx.ContextValue = FrameEx[i].InlineFrameContext;
Out("Inline Frame Context for frame %d=%x\n" , i , FrameEx[i].InlineFrameContext);
Out("Frameid = %x FrameType = %x Frame Signature = %x\n" ,
Inlineframectx.FrameId , Inlineframectx.FrameType , Inlineframectx.FrameSignature);
}
m_Control5->OutputContextStackTraceEx ( DEBUG_OUTCTL_ALL_CLIENTS,FrameEx,FramesFilled,
&FrameContext,FramesFilled*sizeof(CONTEXT),sizeof(CONTEXT),0x1fff );
}
你应该在执行扩展时看到类似这样的东西
0:000> kb
# ChildEBP RetAddr Args to Child
00 (Inline) -------- -------- -------- -------- runasm!helper [e:\test\runasm\runasm.cpp @ 4]
01 0029fd44 0124159a 00000001 0008c5f0 00091a70 runasm!main+0x20 [e:\test\runasm\runasm.cpp @ 32]
02 (Inline) -------- -------- -------- -------- runasm!invoke_main+0x1d [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 74]
03 0029fd90 75d53c45 7ffdf000 0029fddc 778037f5 runasm!__scrt_common_main_seh+0xff [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 264]
04 0029fd9c 778037f5 7ffdf000 75826e8f 00000000 kernel32!BaseThreadInitThunk+0xe
05 0029fddc 778037c8 01241652 7ffdf000 00000000 ntdll!__RtlUserThreadStart+0x70
06 0029fdf4 00000000 01241652 7ffdf000 00000000 ntdll!_RtlUserThreadStart+0x1b
0:000> !gcsex
12412F0 12412f0 12412F0
Frames Filled = 7
Inline Frame Context = for frame 0 = 25ed0200
Frameid = 0 FrameType = 2 Frame Signature = 25ed
Inline Frame Context = for frame 1 = 25ed0100
Frameid = 0 FrameType = 1 Frame Signature = 25ed
Inline Frame Context = for frame 2 = 25ed8200
Frameid = 0 FrameType = 82 Frame Signature = 25ed
Inline Frame Context = for frame 3 = 25ed8100
Frameid = 0 FrameType = 81 Frame Signature = 25ed
Inline Frame Context = for frame 4 = 25ed8100
Frameid = 0 FrameType = 81 Frame Signature = 25ed
Inline Frame Context = for frame 5 = 25ed8100
Frameid = 0 FrameType = 81 Frame Signature = 25ed
Inline Frame Context = for frame 6 = 25ed8100
Frameid = 0 FrameType = 81 Frame Signature = 25ed
# Memory ChildEBP RetAddr Args to Child
00 (Inline) -------- -------- -------- -------- runasm!helper (Inline Function @ 012412f0) (CONV: cdecl) [e:\test\runasm\runasm.cpp @ 4]
01 0029fd44 0124159a 00000001 0008c5f0 00091a70 runasm!main(void)+0x20 (FPO: [0,1,4]) (CONV: cdecl) [e:\test\runasm\runasm.cpp @ 32]
02 4c (Inline) -------- -------- -------- -------- runasm!invoke_main+0x1d (Inline Function @ 0124159a) (CONV: cdecl) [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 74]
03 0 0029fd90 75d53c45 7ffdf000 0029fddc 778037f5 runasm!__scrt_common_main_seh(void)+0xff (FPO: [Non-Fpo]) (CONV: cdecl) [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 264]
04 c 0029fd9c 778037f5 7ffdf000 75826e8f 00000000 kernel32!BaseThreadInitThunk+0xe (FPO: [Non-Fpo])
05 40 0029fddc 778037c8 01241652 7ffdf000 00000000 ntdll!__RtlUserThreadStart+0x70 (FPO: [Non-Fpo])
06 18 0029fdf4 00000000 01241652 7ffdf000 00000000 ntdll!_RtlUserThreadStart+0x1b (FPO: [Non-Fpo])
0:000> .inline
Include inline function queries is "enabled".
0:000> .inline 0
Include inline function queries is "disabled".
0:000> kb
# ChildEBP RetAddr Args to Child
00 0029fd44 0124159a 00000001 0008c5f0 00091a70 runasm!main+0x20 [e:\test\runasm\runasm.cpp @ 32]
01 0029fd90 75d53c45 7ffdf000 0029fddc 778037f5 runasm!__scrt_common_main_seh+0xff [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 264]
02 0029fd9c 778037f5 7ffdf000 75826e8f 00000000 kernel32!BaseThreadInitThunk+0xe
03 0029fddc 778037c8 01241652 7ffdf000 00000000 ntdll!__RtlUserThreadStart+0x70
04 0029fdf4 00000000 01241652 7ffdf000 00000000 ntdll!_RtlUserThreadStart+0x1b
0:000> !gcsex
12412F0 12412f0 12412F0
Frames Filled = 5
Inline Frame Context = for frame 0 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
Inline Frame Context = for frame 1 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
Inline Frame Context = for frame 2 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
Inline Frame Context = for frame 3 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
Inline Frame Context = for frame 4 = ffffffff
Frameid = ff FrameType = ff Frame Signature = ffff
# Memory ChildEBP RetAddr Args to Child
00 0029fd44 0124159a 00000001 0008c5f0 00091a70 runasm!main(void)+0x20 (FPO: [0,1,4]) (CONV: cdecl) [e:\test\runasm\runasm.cpp @ 32]
01 4c 0029fd90 75d53c45 7ffdf000 0029fddc 778037f5 runasm!__scrt_common_main_seh(void)+0xff (FPO: [Non-Fpo]) (CONV: cdecl) [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 264]
02 c 0029fd9c 778037f5 7ffdf000 75826e8f 00000000 kernel32!BaseThreadInitThunk+0xe (FPO: [Non-Fpo])
03 40 0029fddc 778037c8 01241652 7ffdf000 00000000 ntdll!__RtlUserThreadStart+0x70 (FPO: [Non-Fpo])
04 18 0029fdf4 00000000 01241652 7ffdf000 00000000 ntdll!_RtlUserThreadStart+0x1b (FPO: [Non-Fpo])
结果证实了签名因会话而异的编辑
cdb -c "$$>a< gcsex.txt" runasm.exe | grep -i Sign
Frameid = 0 FrameType = 1 Frame Signature = 1e7e
Frameid = 0 FrameType = 82 Frame Signature = 1e7e
Frameid = 0 FrameType = 81 Frame Signature = 1e7e
Frameid = 0 FrameType = 81 Frame Signature = 1e7e
Frameid = 0 FrameType = 81 Frame Signature = 1e7e
Frameid = 0 FrameType = 81 Frame Signature = 1e7e
cdb -c "$$>a< gcsex.txt" runasm.exe | grep -i Sign
Frameid = 0 FrameType = 1 Frame Signature = b649
Frameid = 0 FrameType = 82 Frame Signature = b649
Frameid = 0 FrameType = 81 Frame Signature = b649
Frameid = 0 FrameType = 81 Frame Signature = b649
Frameid = 0 FrameType = 81 Frame Signature = b649
Frameid = 0 FrameType = 81 Frame Signature = b649
cdb -c "$$>a< gcsex.txt" runasm.exe | grep -i Sign
Frameid = 0 FrameType = 1 Frame Signature = decf
Frameid = 0 FrameType = 82 Frame Signature = decf
Frameid = 0 FrameType = 81 Frame Signature = decf
Frameid = 0 FrameType = 81 Frame Signature = decf
Frameid = 0 FrameType = 81 Frame Signature = decf
Frameid = 0 FrameType = 81 Frame Signature = decf
cat gcsex.txt
.load gcsex
bp runasm!main "!gcsex;q"
g
这是使用了一些包装器，但意图应该很明确。
如果 InlineFrameContext 表示它是内联框架，则使用 IDebugSymbols4::GetNameByInlineContext，否则使用 IDebugSymbols4::GetSymbolNameByOffset。
C# 示例如下：
ulong displacement;
var builder = new StringBuilder(256);
var isInlineFrame = frame.InlineFrameContext.FrameType.HasFlag(StackFrameType.Inline);
if (isInlineFrame)
{
_symbols5.GetNameByInlineContext(frame.InstructionOffset, frame.InlineFrameContext.ContextValue, ref builder, out displacement);
}
else {
_symbols5.GetSymbolNameByOffset(frame.InstructionOffset, ref builder, out displacement);
}
var name = builder.ToString();