Mike, I tested the lib with all supported MSFT toolchains. No difference found so far.
Regards, Jian > -----Original Message----- > From: Kinney, Michael D > Sent: Thursday, October 18, 2018 9:36 AM > To: Gao, Liming <liming....@intel.com>; Wang, Jian J <jian.j.w...@intel.com>; > edk2-devel <edk2-devel-boun...@lists.01.org>; edk2-devel@lists.01.org; > Kinney, Michael D <michael.d.kin...@intel.com> > Cc: Yao, Jiewen <jiewen....@intel.com>; Andrew Fish <af...@apple.com> > Subject: RE: [edk2] [PATCH] MdePkg/BaseStackCheckLib: add MSFT toolchain > support > > Jian, > > Is there a link to the documentation for these new > functions? We should put the link in the file > headers. > > The link to docs should also be added to the BZ. > > Also, which VS compilers was this tested with? Are > different implementations required for different VS > compilers? > > Mike > > > -----Original Message----- > > From: Gao, Liming > > Sent: Wednesday, October 17, 2018 6:22 PM > > To: Wang, Jian J <jian.j.w...@intel.com>; edk2-devel > > <edk2-devel-boun...@lists.01.org>; edk2- > > de...@lists.01.org > > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Yao, > > Jiewen <jiewen....@intel.com>; Andrew Fish > > <af...@apple.com> > > Subject: RE: [edk2] [PATCH] MdePkg/BaseStackCheckLib: add > > MSFT toolchain support > > > > Jian: > > The patch is good to me. Reviewed-by: Liming Gao > > <liming....@intel.com> > > > > Thanks > > Liming > > >-----Original Message----- > > >From: Wang, Jian J > > >Sent: Thursday, October 18, 2018 9:19 AM > > >To: edk2-devel <edk2-devel-boun...@lists.01.org>; edk2- > > de...@lists.01.org > > >Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Yao, > > Jiewen > > ><jiewen....@intel.com>; Andrew Fish <af...@apple.com>; > > Gao, Liming > > ><liming....@intel.com> > > >Subject: RE: [edk2] [PATCH] MdePkg/BaseStackCheckLib: > > add MSFT toolchain > > >support > > > > > >Ping ... :) > > > > > >Regards, > > >Jian > > > > > > > > >> -----Original Message----- > > >> From: edk2-devel [mailto:edk2-devel- > > boun...@lists.01.org] > > >> Sent: Tuesday, October 16, 2018 8:59 AM > > >> To: edk2-devel <edk2-devel-boun...@lists.01.org>; > > edk2- > > >de...@lists.01.org > > >> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; > > Yao, Jiewen > > >> <jiewen....@intel.com>; Andrew Fish <af...@apple.com>; > > Gao, Liming > > >> <liming....@intel.com> > > >> Subject: Re: [edk2] [PATCH] MdePkg/BaseStackCheckLib: > > add MSFT > > >toolchain > > >> support > > >> > > >> REF: > > https://bugzilla.tianocore.org/show_bug.cgi?id=1239 > > >> > > >> Regards, > > >> Jian > > >> > > >> > > >> > -----Original Message----- > > >> > From: edk2-devel [mailto:edk2-devel- > > boun...@lists.01.org] > > >> > Sent: Tuesday, October 16, 2018 8:55 AM > > >> > To: edk2-devel@lists.01.org > > >> > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; > > Yao, Jiewen > > >> > <jiewen....@intel.com>; Andrew Fish > > <af...@apple.com>; Gao, Liming > > >> > <liming....@intel.com> > > >> > Subject: [edk2] [PATCH] MdePkg/BaseStackCheckLib: > > add MSFT toolchain > > >> > support > > >> > > > >> > This patch adds stack check support for MSFT > > toolchain, with > > >> > compiler option /GS and /RTCs. This functionality is > > similar > > >> > to the original ones supported by GCC toolchain. > > >> > > > >> > Usage example: > > >> > This is a NULL library instance. Add it under a > > [LibraryClasses] > > >> > section in dsc file to let it be built into all > > modules employed > > >> > in a platform. > > >> > > > >> > [LibraryClasses] > > >> > > > NULL|MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.i > > nf > > >> > > > >> > Please note all not modules can be built against > > this library. Most > > >> > of them are SEC type of modules, such as > > >> > > > >> > OvmfPkg/ResetVector/ResetVector.inf > > >> > > > >> > In this case, this library should not be added to a > > common > > >> > [LibraryClasses] section but to specific ones, like > > >> > [LibraryClasses.common.PEI_CORE/PEIM/...]. > > >> > > > >> > In addition, /GS and/or /RTCs should be added to > > compiler command line. > > >> > This can be done by adding something like below > > under [BuildOptions] > > >> > section in dsc file. > > >> > > > >> > [BuildOptions] > > >> > MSFT:DEBUG_*_*_CC_FLAGS = /GS /GL- > > >> > MSFT:DEBUG_*_*_CC_FLAGS = /RTCs /Od > > >> > > > >> > Note: /GL- is required for /GS, and /Od is required > > for /RTCs. > > >> > Note: The flash layout might be needed to update to > > accommodate larger > > >> > image size due to /Od is enforced. > > >> > > > >> > Pass tests: > > >> > a. Overwrite a local buffer variable (in a 32-bit > > and 64-bit driver)and > > >> > check if it's caught by new code (on both real > > platform and virtual > > >> > platform) > > >> > b. Boot Windows 10 and Ubuntu 18.04 on real platform > > with this > > >> > lib built-in > > >> > > > >> > Cc: Michael D Kinney <michael.d.kin...@intel.com> > > >> > Cc: Liming Gao <liming....@intel.com> > > >> > Cc: Jiewen Yao <jiewen....@intel.com> > > >> > Cc: Andrew Fish <af...@apple.com> > > >> > Contributed-under: TianoCore Contribution Agreement > > 1.1 > > >> > Signed-off-by: Jian J Wang <jian.j.w...@intel.com> > > >> > --- > > >> > .../BaseStackCheckLib/BaseStackCheckLib.inf > > | 11 +- > > >> > .../Library/BaseStackCheckLib/BaseStackCheckMsft.c > > | 221 > > >> > +++++++++++++++++++++ > > >> > .../Library/BaseStackCheckLib/BaseStackCheckNull.c > > | 15 -- > > >> > .../BaseStackCheckLib/Ia32/StackCheckStubAsm.nasm > > | 76 +++++++ > > >> > .../BaseStackCheckLib/X64/StackCheckStubAsm.nasm > > | 54 +++++ > > >> > 5 files changed, 360 insertions(+), 17 deletions(-) > > >> > create mode 100644 > > >> > > > MdePkg/Library/BaseStackCheckLib/BaseStackCheckMsft.c > > >> > delete mode 100644 > > >> MdePkg/Library/BaseStackCheckLib/BaseStackCheckNull.c > > >> > create mode 100644 > > >> > > > MdePkg/Library/BaseStackCheckLib/Ia32/StackCheckStubAsm.n > > asm > > >> > create mode 100644 > > >> > > > MdePkg/Library/BaseStackCheckLib/X64/StackCheckStubAsm.na > > sm > > >> > > > >> > diff --git > > a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf > > >> > > > b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf > > >> > index e280651b11..1c9e6710c6 100644 > > >> > --- > > a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf > > >> > +++ > > b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf > > >> > @@ -4,6 +4,7 @@ > > >> > # Stack Check Library > > >> > # > > >> > # Copyright (c) 2014, ARM Ltd. All rights > > reserved.<BR> > > >> > +# Copyright (c) 2018, Intel Corporation. All > > rights reserved.<BR> > > >> > # > > >> > # This program and the accompanying materials > > >> > # are licensed and made available under the terms > > and conditions of the > > >BSD > > >> > License > > >> > @@ -26,13 +27,19 @@ > > >> > > > >> > > > >> > # > > >> > -# VALID_ARCHITECTURES = ARM AARCH64 > > >> > +# VALID_ARCHITECTURES = ARM AARCH64 IA32 > > X64 > > >> > # > > >> > > > >> > [Sources] > > >> > BaseStackCheckGcc.c | GCC > > >> > BaseStackCheckGcc.c | RVCT > > >> > - BaseStackCheckNull.c | MSFT > > >> > + BaseStackCheckMsft.c | MSFT > > >> > + > > >> > +[Sources.IA32] > > >> > + Ia32/StackCheckStubAsm.nasm | MSFT > > >> > + > > >> > +[Sources.X64] > > >> > + X64/StackCheckStubAsm.nasm | MSFT > > >> > > > >> > [Packages] > > >> > MdePkg/MdePkg.dec > > >> > diff --git > > a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckMsft.c > > >> > > > b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckMsft.c > > >> > new file mode 100644 > > >> > index 0000000000..951154f0cd > > >> > --- /dev/null > > >> > +++ > > b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckMsft.c > > >> > @@ -0,0 +1,221 @@ > > >> > +/** @file > > >> > + Base Stack Check library for MSFT toolchains > > compiler options: /GS, RTCs. > > >> > + > > >> > +Copyright (c) 2018, Intel Corporation. All rights > > reserved.<BR> > > >> > +This program and the accompanying materials are > > licensed and made > > >> available > > >> > under > > >> > +the terms and conditions of the BSD License that > > accompanies this > > >> distribution. > > >> > +The full text of the license may be found at > > >> > +http://opensource.org/licenses/bsd-license.php. > > >> > + > > >> > +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON > > AN "AS IS" > > >> BASIS, > > >> > +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, > > EITHER > > >> EXPRESS > > >> > OR IMPLIED. > > >> > + > > >> > +**/ > > >> > + > > >> > +#include <Base.h> > > >> > + > > >> > +#include <Library/BaseLib.h> > > >> > +#include <Library/DebugLib.h> > > >> > +#include <Library/PcdLib.h> > > >> > + > > >> > +// > > >> > +// cookie value that is inserted by the MSFT > > compiler into the stack frame. > > >> > +// > > >> > +extern UINTN __security_cookie; > > >> > + > > >> > +// > > >> > +// Data structure used by MSFT compiler to record > > local variable > > >information. > > >> > +// > > >> > + > > >> > +typedef struct _RTC_vardesc { > > >> > + int Addr; > > >> > + int Size; > > >> > + char *Name; > > >> > +} _RTC_vardesc; > > >> > + > > >> > +typedef struct _RTC_framedesc { > > >> > + int VarCount; > > >> > + _RTC_vardesc *Variables; > > >> > +} _RTC_framedesc; > > >> > + > > >> > +#define RTC_STACK_CHECK_COOKIE 0xCCCCCCCC > > >> > + > > >> > +/** > > >> > + Function called upon unexpected stack pointer > > change. > > >> > + > > >> > + @param Ip Instruction address where the > > check happened. > > >> > + > > >> > +**/ > > >> > +VOID > > >> > +__cdecl > > >> > +_RTC_Failure ( > > >> > + VOID *Ip > > >> > + ) > > >> > +{ > > >> > + DEBUG ((DEBUG_ERROR, "\nSTACK FAULT: Suspicious > > stack pointer > > >> > (IP:%p).\n\n", Ip)); > > >> > + > > >> > + // > > >> > + // Generate a Breakpoint, DeadLoop, or NOP based > > on PCD settings > > >even if > > >> > + // BaseDebugLibNull is in use. > > >> > + // > > >> > + if ((PcdGet8 (PcdDebugPropertyMask) & > > >> > DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) { > > >> > + CpuBreakpoint (); > > >> > + } else { > > >> > + // > > >> > + // Usually the boot should stop here if check > > failure. Due to the fact > > >> > + // that the normal Stack Switch happened in > > boot will also fail the stack > > >> > + // pointer check. So no dead loop here. > > >> > + // > > >> > + } > > >> > + return; > > >> > +} > > >> > + > > >> > +/** > > >> > + Function reporting stack buffer overlow. > > >> > + > > >> > + @param Name Local varible name. > > >> > + @param Ip Instruction address where the > > check happened. > > >> > + > > >> > +**/ > > >> > +STATIC > > >> > +VOID > > >> > +_RTC_StackFailure ( > > >> > + CHAR8 *Name, > > >> > + VOID *Ip > > >> > + ) > > >> > +{ > > >> > + DEBUG ((DEBUG_ERROR, "\nSTACK FAULT: Local > > variable '%a' overflow > > >> > (IP:%p).\n\n", Name, Ip)); > > >> > + > > >> > + // > > >> > + // Generate a Breakpoint, DeadLoop, or NOP based > > on PCD settings > > >even if > > >> > + // BaseDebugLibNull is in use. > > >> > + // > > >> > + if ((PcdGet8 (PcdDebugPropertyMask) & > > >> > DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) { > > >> > + CpuBreakpoint (); > > >> > + } else if ((PcdGet8 (PcdDebugPropertyMask) & > > >> > DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) { > > >> > + CpuDeadLoop (); > > >> > + } > > >> > + return ; > > >> > +} > > >> > + > > >> > +/** > > >> > + Function called upon stack buffer overflow. > > (/RTCs) > > >> > + > > >> > + @param _Esp Stack frame pointer. > > >> > + @param _Fd Pointer to local variable > > information. > > >> > + > > >> > +**/ > > >> > +VOID > > >> > +__fastcall > > >> > +_RTC_CheckStackVars ( > > >> > + VOID *_Esp, > > >> > + _RTC_framedesc *_Fd > > >> > + ) > > >> > +{ > > >> > + INTN Index; > > >> > + UINT8 *Addr; > > >> > + > > >> > + for (Index = 0; Index < _Fd->VarCount; Index++) { > > >> > + Addr = (UINT8 *)_Esp + _Fd- > > >Variables[Index].Addr - sizeof(UINT32); > > >> > + if (*(UINT32 *)Addr != RTC_STACK_CHECK_COOKIE) > > { > > >> > + _RTC_StackFailure (_Fd- > > >Variables[Index].Name, > > >RETURN_ADDRESS(0)); > > >> > + } > > >> > + > > >> > + Addr = (UINT8 *)_Esp + _Fd- > > >Variables[Index].Addr + _Fd- > > >> > >Variables[Index].Size; > > >> > + if (*(UINT32 *)Addr != RTC_STACK_CHECK_COOKIE) > > { > > >> > + _RTC_StackFailure (_Fd- > > >Variables[Index].Name, > > >RETURN_ADDRESS(0)); > > >> > + } > > >> > + } > > >> > +} > > >> > + > > >> > +/** > > >> > + Function required by linker but not implemented > > by firmware image > > >loader. > > >> > (/RTCs) > > >> > + > > >> > +**/ > > >> > +VOID > > >> > +__cdecl > > >> > +_RTC_Shutdown ( > > >> > + VOID > > >> > + ) > > >> > +{ > > >> > + return; > > >> > +} > > >> > + > > >> > +/** > > >> > + Function required by linker but not implemented > > by firmware image > > >loader. > > >> > (/RTCs) > > >> > + > > >> > +**/ > > >> > +VOID > > >> > +__cdecl > > >> > +_RTC_InitBase ( > > >> > + VOID > > >> > + ) > > >> > +{ > > >> > + return; > > >> > +} > > >> > + > > >> > + > > >> > +/** > > >> > + Function called upon stack frame overflow > > detected. (/GS) > > >> > + > > >> > + @param StackCookie Actual cookie value got > > from stack boundary. > > >> > + @param Ip Instruction address where > > the check happened. > > >> > + > > >> > +**/ > > >> > +NORETURN > > >> > +VOID > > >> > +__cdecl > > >> > +__report_gsfailure ( > > >> > + UINTN StackCookie, > > >> > + VOID *Ip > > >> > + ) > > >> > +{ > > >> > + DEBUG ((DEBUG_ERROR, "\nSTACK FAULT: Stack > > overflow check failed > > >in > > >> > cookie checker (IP:%p).\n\n", Ip)); > > >> > + > > >> > + // > > >> > + // Generate a Breakpoint, DeadLoop, or NOP based > > on PCD settings > > >even if > > >> > + // BaseDebugLibNull is in use. > > >> > + // > > >> > + if ((PcdGet8 (PcdDebugPropertyMask) & > > >> > DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) { > > >> > + CpuBreakpoint (); > > >> > + } else if ((PcdGet8 (PcdDebugPropertyMask) & > > >> > DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) { > > >> > + CpuDeadLoop (); > > >> > + } > > >> > +} > > >> > + > > >> > +/** > > >> > + Function called upon failure at local array range > > check . (/GS) > > >> > + > > >> > +**/ > > >> > +NORETURN > > >> > +VOID > > >> > +__cdecl > > >> > +__report_rangecheckfailure ( > > >> > + VOID > > >> > + ) > > >> > +{ > > >> > + DEBUG((DEBUG_ERROR, "\nSTACK FAULT: Range check > > check failed in > > >> cookie > > >> > checker.\n\n")); > > >> > + > > >> > + // > > >> > + // Generate a Breakpoint, DeadLoop, or NOP based > > on PCD settings > > >even if > > >> > + // BaseDebugLibNull is in use. > > >> > + // > > >> > + if ((PcdGet8 (PcdDebugPropertyMask) & > > >> > DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) { > > >> > + CpuBreakpoint (); > > >> > + } else if ((PcdGet8 (PcdDebugPropertyMask) & > > >> > DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) { > > >> > + CpuDeadLoop (); > > >> > + } > > >> > +} > > >> > + > > >> > +/** > > >> > + Function required by linker but not implemented > > by firmware image > > >loader. > > >> > (/GS) > > >> > + > > >> > +**/ > > >> > +VOID > > >> > +__GSHandlerCheck ( > > >> > + VOID > > >> > + ) > > >> > +{ > > >> > + return; > > >> > +} > > >> > + > > >> > diff --git > > a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckNull.c > > >> > > > b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckNull.c > > >> > deleted file mode 100644 > > >> > index 7c27c73e23..0000000000 > > >> > --- > > a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckNull.c > > >> > +++ /dev/null > > >> > @@ -1,15 +0,0 @@ > > >> > -/** @file > > >> > - This file is purely empty as a work around for > > BaseStackCheck to pass > > >MSVC > > >> > build. > > >> > - > > >> > - Copyright (c) 2018, Intel Corporation. All rights > > reserved.<BR> > > >> > - This program and the accompanying materials > > >> > - are licensed and made available under the terms > > and conditions of the > > >BSD > > >> > License > > >> > - which accompanies this distribution. The full > > text of the license may be > > >> found > > >> > at > > >> > - http://opensource.org/licenses/bsd-license.php. > > >> > - > > >> > - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE > > ON AN "AS IS" > > >> BASIS, > > >> > - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, > > EITHER > > >> EXPRESS > > >> > OR IMPLIED. > > >> > - > > >> > -**/ > > >> > - > > >> > -extern int __BaseStackCheckNull; > > >> > diff --git > > >> > > a/MdePkg/Library/BaseStackCheckLib/Ia32/StackCheckStubAsm > > .nasm > > >> > > > b/MdePkg/Library/BaseStackCheckLib/Ia32/StackCheckStubAsm > > .nasm > > >> > new file mode 100644 > > >> > index 0000000000..d3c8d32161 > > >> > --- /dev/null > > >> > +++ > > >b/MdePkg/Library/BaseStackCheckLib/Ia32/StackCheckStubAs > > m.nasm > > >> > @@ -0,0 +1,76 @@ > > >> > +;-------------------------------------------------- > > ---------------------------- ; > > >> > +; Copyright (c) 2018, Intel Corporation. All rights > > reserved.<BR> > > >> > +; This program and the accompanying materials > > >> > +; are licensed and made available under the terms > > and conditions of the > > >BSD > > >> > License > > >> > +; which accompanies this distribution. The full > > text of the license may be > > >> found > > >> > at > > >> > +; http://opensource.org/licenses/bsd-license.php. > > >> > +; > > >> > +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE > > ON AN "AS IS" > > >> > BASIS, > > >> > +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY > > KIND, EITHER > > >> > EXPRESS OR IMPLIED. > > >> > +; > > >> > +; Module Name: > > >> > +; > > >> > +; StackCheckStubAsm.nasm > > >> > +; > > >> > +; Abstract: > > >> > +; > > >> > +; Stub globals and functions for compiler options > > /GS, /RTCs > > >> > +; > > >> > +; Notes: > > >> > +; > > >> > +;-------------------------------------------------- > > ---------------------------- > > >> > + > > >> > +; > > >> > +; __declspec(noreturn) void __cdecl > > __report_gsfailure(UINTN cookie, > > >void > > >> *ip); > > >> > +; > > >> > +extern ___report_gsfailure > > >> > +; > > >> > +; void __cdecl _RTC_Failure (void *Ip); > > >> > +; > > >> > +extern __RTC_Failure > > >> > + > > >> > +SECTION .data > > >> > + > > >> > +; > > >> > +; UINTN __security_cookie; > > >> > +; > > >> > +global ___security_cookie > > >> > +___security_cookie: > > >> > + DW 987974FAh > > >> > + > > >> > +SECTION .text > > >> > + > > >> > +; > > >> > +; void __fastcall __security_check_cookie(UINTN > > cookie) > > >> > +; > > >> > +; Note: __fastcall calling convention uses > > ecx/edx to pass first two > > >> parameters > > >> > +; > > >> > +global @__security_check_cookie@4 > > >> > +@__security_check_cookie@4: > > >> > + push ebp > > >> > + mov ebp, esp > > >> > + cmp ecx, [___security_cookie] > > >> > + je .1 > > >> > + push dword [ebp] ; pass return address > > as the second parameter > > >> > + push ecx ; cookie value in stack > > is the first parameter > > >> > + call ___report_gsfailure > > >> > +.1: > > >> > + mov esp, ebp > > >> > + pop ebp > > >> > + ret > > >> > + > > >> > +; > > >> > +; void __declspec(naked) __cdecl > > _RTC_CheckEsp(void) > > >> > +; > > >> > +global __RTC_CheckEsp > > >> > +__RTC_CheckEsp: > > >> > + push ebp > > >> > + mov ebp, esp > > >> > + je .1 > > >> > + push dword [ebp] ; pass return address > > to __RTC_Failure > > >> > + call __RTC_Failure > > >> > +.1: > > >> > + mov esp, ebp > > >> > + pop ebp > > >> > + ret > > >> > + > > >> > diff --git > > >a/MdePkg/Library/BaseStackCheckLib/X64/StackCheckStubAsm > > .nasm > > >> > > > b/MdePkg/Library/BaseStackCheckLib/X64/StackCheckStubAsm. > > nasm > > >> > new file mode 100644 > > >> > index 0000000000..1c8601f09c > > >> > --- /dev/null > > >> > +++ > > >b/MdePkg/Library/BaseStackCheckLib/X64/StackCheckStubAsm > > .nasm > > >> > @@ -0,0 +1,54 @@ > > >> > +;-------------------------------------------------- > > ---------------------------- ; > > >> > +; Copyright (c) 2018, Intel Corporation. All rights > > reserved.<BR> > > >> > +; This program and the accompanying materials > > >> > +; are licensed and made available under the terms > > and conditions of the > > >BSD > > >> > License > > >> > +; which accompanies this distribution. The full > > text of the license may be > > >> found > > >> > at > > >> > +; http://opensource.org/licenses/bsd-license.php. > > >> > +; > > >> > +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE > > ON AN "AS IS" > > >> > BASIS, > > >> > +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY > > KIND, EITHER > > >> > EXPRESS OR IMPLIED. > > >> > +; > > >> > +; Module Name: > > >> > +; > > >> > +; StackCheckStubAsm.nasm > > >> > +; > > >> > +; Abstract: > > >> > +; > > >> > +; Stub globals and functions for compiler options > > /GS, /RTCs > > >> > +; > > >> > +; Notes: > > >> > +; > > >> > +;-------------------------------------------------- > > ---------------------------- > > >> > + > > >> > +; > > >> > +; __declspec(noreturn) void __cdecl > > __report_gsfailure(UINTN cookie, > > >void > > >> *ip); > > >> > +; > > >> > +extern __report_gsfailure > > >> > + > > >> > +DEFAULT REL > > >> > + > > >> > +SECTION .data > > >> > + > > >> > +; > > >> > +; UINTN __security_cookie; > > >> > +; > > >> > +global __security_cookie > > >> > +__security_cookie: > > >> > + DQ 0CFE3FE6A3F5C5A88h > > >> > + > > >> > +SECTION .text > > >> > + > > >> > +; > > >> > +; void __fastcall __security_check_cookie(UINTN > > cookie) > > >> > +; > > >> > +; Note: __fastcall calling convention uses > > ecx/edx to pass first two > > >> parameters > > >> > +; > > >> > +global __security_check_cookie > > >> > +__security_check_cookie: > > >> > + cmp rcx, qword [__security_cookie] > > >> > + je .1 > > >> > + mov rdx, [esp] ; pass return address > > as the second parameter > > >> > + call __report_gsfailure > > >> > +.1 > > >> > + ret > > >> > + > > >> > -- > > >> > 2.16.2.windows.1 > > >> > > > >> > _______________________________________________ > > >> > edk2-devel mailing list > > >> > edk2-devel@lists.01.org > > >> > https://lists.01.org/mailman/listinfo/edk2-devel > > >> _______________________________________________ > > >> edk2-devel mailing list > > >> edk2-devel@lists.01.org > > >> https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
