Re: [RFC 0/1] Stack trace support in X64 exception handling

[Paulo Alcantara <pcacjr@zytor.com>]

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Hi,

On 14/11/2017 10:47, Paulo Alcantara wrote:
> Hi,
> 
> This series adds stack trace support during a X64 CPU exception.
> 
> Informations like back trace, stack contents and image module names
> (that were part of the call stack) will be dumped out.
> 
> We already have such support in ARM/AArch64 (IIRC) exception handling
> (thanks to Ard), and then I thought we'd also deserve it in X64 and
> IA-32 platforms.
> 
> What do you think guys?
> 
> BTW, I've tested this only with OVMF (X64 only), using:
>    - gcc-6.3.0, GCC5, NOOPT
> 
> Any other tests  would be really appreciable.

I've attached a file to show you how the trace would look like.

Thanks!
Paulo

> 
> Thanks!
> Paulo
> 
> Repo:   https://github.com/pcacjr/edk2.git
> Branch: stacktrace_x64
> 
> Cc: Rick Bramley <richard.bramley@hp.com>
> Cc: Andrew Fish <afish@apple.com>
> Cc: Eric Dong <eric.dong@intel.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Paulo Alcantara <pcacjr@zytor.com>
> ---
> 
> Paulo Alcantara (1):
>    UefiCpuPkg/CpuExceptionHandlerLib/X64: Add stack trace support
> 
>   UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c | 344 +++++++++++++++++++-
>   1 file changed, 342 insertions(+), 2 deletions(-)
> 


[-- Attachment #2: trace.txt --]
[-- Type: text/plain, Size: 4685 bytes --]

!!!! X64 Exception Type - 0E(#PF - Page-Fault)  CPU Apic ID - 00000000 !!!!
ExceptionData - 0000000000000002  I:0 R:0 U:0 W:1 P:0 PK:0 S:0
RIP  - 000000007E510F7F, CS  - 0000000000000038, RFLAGS - 0000000000010202
RAX  - 0000000000000000, RCX - 000000007EA01318, RDX - 000000007F6EE018
RBX  - 0000000000810248, RSP - 000000007F762C70, RBP - 000000007F762CB0
RSI  - 0000000000000007, RDI - 000000007EA01418
R8   - 000000007E513A88, R9  - 000000007EA01798, R10 - 0000000000000036
R11  - 00000000000000D7, R12 - 0000000000000000, R13 - 0000000000000000
R14  - 0000000000000000, R15 - 0000000000000000
DS   - 0000000000000030, ES  - 0000000000000030, FS  - 0000000000000030
GS   - 0000000000000030, SS  - 0000000000000030
CR0  - 0000000080010033, CR2 - 0000000000000000, CR3 - 000000007F701000
CR4  - 0000000000000668, CR8 - 0000000000000000
DR0  - 0000000000000000, DR1 - 0000000000000000, DR2 - 0000000000000000
DR3  - 0000000000000000, DR6 - 00000000FFFF0FF0, DR7 - 0000000000000400
GDTR - 000000007F6EEA98 0000000000000047, LDTR - 0000000000000000
IDTR - 000000007EEF2018 0000000000000FFF,   TR - 0000000000000000
FXSAVE_STATE - 000000007F7628D0

Back trace:
0 0x000000007E510F7F @ 0x000000007E509000+0x7F7E (0x000000007F762CB0) in PartitionDxe.dll
1 0x000000007E51135D @ 0x000000007E509000+0x835C (0x000000007F762CE0) in PartitionDxe.dll
2 0x000000007E50C116 @ 0x000000007E509000+0x3115 (0x000000007F762D20) in PartitionDxe.dll
3 0x000000007F776972 @ 0x000000007E509000+0x126D971 (0x000000007F762DB0) in PartitionDxe.dll
4 0x000000007F78EE08 @ 0x000000007E509000+0x1285E07 (0x000000007F762E30) in PartitionDxe.dll
5 0x000000007F791343 @ 0x000000007E509000+0x1288342 (0x000000007F762F60) in PartitionDxe.dll
6 0x000000007F791AC7 @ 0x000000007E509000+0x1288AC6 (0x000000007F762F90) in PartitionDxe.dll
7 0x000000007F767DDB @ 0x000000007E509000+0x125EDDA (0x000000007F762FC0) in PartitionDxe.dll
8 0x000000007F7DF75F @ 0x000000007E509000+0x12D675E (0x000000007B7DC840) in PartitionDxe.dll
9 0x000000007F7E5546 @ 0x000000007E509000+0x12DC545 (0x000000007B7DC8C0) in PartitionDxe.dll
10 0x000000007F7E4312 @ 0x000000007E509000+0x12DB311 (0x000000007B7DCA30) in PartitionDxe.dll
11 0x000000007F7F0DB9 @ 0x000000007E509000+0x12E7DB8 (0x000000007B7DCF80) in PartitionDxe.dll
12 0x00000000008286E9 @ 0x0000000000820140+0x85A8 (0x000000007B7DD4D0) in PeiCore.dll
13 0x000000000083092F @ 0x0000000000820140+0x107EE (0x0000000000817600) in PeiCore.dll
14 0x0000000000831574 @ 0x0000000000820140+0x11433 (0x00000000008176D0) in PeiCore.dll
15 0x0000000000828D9B @ 0x0000000000820140+0x8C5A (0x0000000000817C20) in PeiCore.dll
16 0x000000000083238A @ 0x0000000000820140+0x12249 (0x0000000000817C50) in PeiCore.dll
17 0x0000000000824312 @ 0x0000000000820140+0x41D1 (0x0000000000817C80) in PeiCore.dll
18 0x00000000FFFD4291 @ 0x0000000000820140+0xFF7B4150 (0x0000000000817CE0) in PeiCore.dll
19 0x00000000FFFCF578 @ 0x0000000000820140+0xFF7AF437 (0x0000000000817D10) in PeiCore.dll
20 0x00000000FFFD422C @ 0x0000000000820140+0xFF7B40EB (0x0000000000817FD0) in PeiCore.dll
21 0x00000000FFFD4489 @ 0x0000000000820140+0xFF7B4348 (0x00000000FFFCC000) in PeiCore.dll

PartitionDxe.dll (ImageBase=0x000000007E509000, EntryPoint=0x000000007E50C01F):
/home/pcacjr/src/edk2.git/Build/OvmfX64/NOOPT_GCC5/X64/MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe/DEBUG/PartitionDxe.dll
PeiCore.dll (ImageBase=0x0000000000820140, EntryPoint=0x00000000008242EC):
/home/pcacjr/src/edk2.git/Build/OvmfX64/NOOPT_GCC5/X64/MdeModulePkg/Core/Pei/PeiMain/DEBUG/PeiCore.dll

Stack dump:
0x000000007F762C70: 000000007E5137E0 0000000000000000
0x000000007F762C80: 000000007E513A88 0000000000000100
0x000000007F762C90: 000000007F762CB0 0000000000000000
0x000000007F762CA0: 000000007F762CE0 0000000000000000
0x000000007F762CB0: 000000007F762CE0 000000007E51135D
0x000000007F762CC0: 000000007EA01318 000000007F6EE018
0x000000007F762CD0: 000000077F776852 0000000000000000
0x000000007F762CE0: 000000007F762D20 000000007E50C116
0x000000007F762CF0: 000000007EA01318 000000007F6EE018
0x000000007F762D00: 0000000000000000 0000000000000000
0x000000007F762D10: 0000000000000000 0000000000000000
0x000000007F762D20: 000000007F762DB0 000000007F776972
0x000000007F762D30: 000000007EA01318 000000007F6EE018
0x000000007F762D40: 0000000000000000 0000000000000004
0x000000007F762D50: 000000007F79A1A8 000000007F79AF90
0x000000007F762D60: 000000007F762DB0 0000000000000000
0x000000007F762D70: 000000007F79A180 00000000000000C8
0x000000007F762D80: 0000000000000000 000000007EA01418
0x000000007F762D90: 000000007EA01318 0000000000000000
0x000000007F762DA0: 000000007F79A1A8 000000007F79AF90
0x000000007F762DB0: 000000007F762E30 000000007F78EE08