On Aug 9, 2021, at 2:51 AM, Marvin Häuser <mhaeuser@posteo.de> wrote:

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3318

Different toolchains of the EDK II build system may generate ELF or
Mach-O files, which use the ".rodata" naming convention, or PE/COFF
files, which use the ".rdata" naming convention. Section permissions
are chosen based on this name per file format by NASM. To harden
image permission security, and to save space by avoiding both
".rdata" and ".rodata" sections being emitted, expose the appropriate
name as a preprocessor constant.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: Vitaly Cheptsov <vit9696@protonmail.com>
Signed-off-by: Marvin Häuser <mhaeuser@posteo.de>
---
BaseTools/Conf/tools_def.template | 172 ++++++++++----------
1 file changed, 86 insertions(+), 86 deletions(-)

diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index 2e6b382ab623..84d464916c4d 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -463,9 +463,9 @@ NOOPT_VS2008_IA32_CC_FLAGS        = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2008_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2008_IA32_ASM_FLAGS       = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2008_IA32_NASM_FLAGS    = -Ox -f win32 -g

-RELEASE_VS2008_IA32_NASM_FLAGS    = -Ox -f win32

-NOOPT_VS2008_IA32_NASM_FLAGS      = -O0 -f win32 -g

+  DEBUG_VS2008_IA32_NASM_FLAGS    = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2008_IA32_NASM_FLAGS    = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2008_IA32_NASM_FLAGS      = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2008_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2008_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -495,9 +495,9 @@ NOOPT_VS2008_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /G
RELEASE_VS2008_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2008_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2008_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2008_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2008_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2008_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2008_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2008_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2008_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2008_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -574,9 +574,9 @@ NOOPT_VS2008x86_IA32_CC_FLAGS      = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2008x86_IA32_ASM_FLAGS   = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2008x86_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2008x86_IA32_NASM_FLAGS  = -Ox -f win32 -g

-RELEASE_VS2008x86_IA32_NASM_FLAGS  = -Ox -f win32

-NOOPT_VS2008x86_IA32_NASM_FLAGS    = -O0 -f win32 -g

+  DEBUG_VS2008x86_IA32_NASM_FLAGS  = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2008x86_IA32_NASM_FLAGS  = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2008x86_IA32_NASM_FLAGS    = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2008x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2008x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -605,9 +605,9 @@ NOOPT_VS2008x86_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2008x86_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2008x86_X64_ASM_FLAGS      = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2008x86_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2008x86_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2008x86_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2008x86_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2008x86_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2008x86_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2008x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2008x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -688,9 +688,9 @@ NOOPT_VS2010_IA32_CC_FLAGS        = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2010_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2010_IA32_ASM_FLAGS       = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2010_IA32_NASM_FLAGS    = -Ox -f win32 -g

-RELEASE_VS2010_IA32_NASM_FLAGS    = -Ox -f win32

-NOOPT_VS2010_IA32_NASM_FLAGS      = -O0 -f win32 -g

+  DEBUG_VS2010_IA32_NASM_FLAGS    = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2010_IA32_NASM_FLAGS    = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2010_IA32_NASM_FLAGS      = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2010_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2010_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -720,9 +720,9 @@ NOOPT_VS2010_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /G
RELEASE_VS2010_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2010_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2010_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2010_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2010_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2010_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2010_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2010_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2010_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2010_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -799,9 +799,9 @@ NOOPT_VS2010x86_IA32_CC_FLAGS      = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2010x86_IA32_ASM_FLAGS   = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2010x86_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2010x86_IA32_NASM_FLAGS  = -Ox -f win32 -g

-RELEASE_VS2010x86_IA32_NASM_FLAGS  = -Ox -f win32

-NOOPT_VS2010x86_IA32_NASM_FLAGS    = -O0 -f win32 -g

+  DEBUG_VS2010x86_IA32_NASM_FLAGS  = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2010x86_IA32_NASM_FLAGS  = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2010x86_IA32_NASM_FLAGS    = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2010x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2010x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -831,9 +831,9 @@ NOOPT_VS2010x86_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2010x86_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2010x86_X64_ASM_FLAGS      = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2010x86_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2010x86_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2010x86_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2010x86_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2010x86_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2010x86_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2010x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2010x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -913,9 +913,9 @@ NOOPT_VS2012_IA32_CC_FLAGS        = /nologo /arch:IA32 /c /WX /GS- /W4 /Gs32768
RELEASE_VS2012_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2012_IA32_ASM_FLAGS       = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2012_IA32_NASM_FLAGS    = -Ox -f win32 -g

-RELEASE_VS2012_IA32_NASM_FLAGS    = -Ox -f win32

-NOOPT_VS2012_IA32_NASM_FLAGS      = -O0 -f win32 -g

+  DEBUG_VS2012_IA32_NASM_FLAGS    = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2012_IA32_NASM_FLAGS    = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2012_IA32_NASM_FLAGS      = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2012_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2012_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -945,9 +945,9 @@ NOOPT_VS2012_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /G
RELEASE_VS2012_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2012_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2012_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2012_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2012_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2012_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2012_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2012_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2012_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2012_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1024,9 +1024,9 @@ NOOPT_VS2012x86_IA32_CC_FLAGS      = /nologo /arch:IA32 /c /WX /GS- /W4 /Gs32768
RELEASE_VS2012x86_IA32_ASM_FLAGS   = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2012x86_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2012x86_IA32_NASM_FLAGS  = -Ox -f win32 -g

-RELEASE_VS2012x86_IA32_NASM_FLAGS  = -Ox -f win32

-NOOPT_VS2012x86_IA32_NASM_FLAGS    = -O0 -f win32 -g

+  DEBUG_VS2012x86_IA32_NASM_FLAGS  = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2012x86_IA32_NASM_FLAGS  = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2012x86_IA32_NASM_FLAGS    = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2012x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2012x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1056,9 +1056,9 @@ NOOPT_VS2012x86_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2012x86_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2012x86_X64_ASM_FLAGS      = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2012x86_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2012x86_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2012x86_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2012x86_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2012x86_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2012x86_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2012x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2012x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1138,9 +1138,9 @@ NOOPT_VS2013_IA32_CC_FLAGS        = /nologo /arch:IA32 /c /WX /GS- /W4 /Gs32768
RELEASE_VS2013_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2013_IA32_ASM_FLAGS       = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2013_IA32_NASM_FLAGS    = -Ox -f win32 -g

-RELEASE_VS2013_IA32_NASM_FLAGS    = -Ox -f win32

-NOOPT_VS2013_IA32_NASM_FLAGS      = -O0 -f win32 -g

+  DEBUG_VS2013_IA32_NASM_FLAGS    = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2013_IA32_NASM_FLAGS    = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2013_IA32_NASM_FLAGS      = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2013_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2013_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1170,9 +1170,9 @@ NOOPT_VS2013_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /G
RELEASE_VS2013_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2013_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2013_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2013_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2013_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2013_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2013_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2013_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2013_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2013_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1249,9 +1249,9 @@ NOOPT_VS2013x86_IA32_CC_FLAGS      = /nologo /arch:IA32 /c /WX /GS- /W4 /Gs32768
RELEASE_VS2013x86_IA32_ASM_FLAGS   = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2013x86_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2013x86_IA32_NASM_FLAGS  = -Ox -f win32 -g

-RELEASE_VS2013x86_IA32_NASM_FLAGS  = -Ox -f win32

-NOOPT_VS2013x86_IA32_NASM_FLAGS    = -O0 -f win32 -g

+  DEBUG_VS2013x86_IA32_NASM_FLAGS  = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2013x86_IA32_NASM_FLAGS  = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2013x86_IA32_NASM_FLAGS    = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2013x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2013x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1281,9 +1281,9 @@ NOOPT_VS2013x86_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2013x86_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2013x86_X64_ASM_FLAGS      = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2013x86_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2013x86_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2013x86_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2013x86_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2013x86_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2013x86_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2013x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2013x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1364,9 +1364,9 @@ NOOPT_VS2015_IA32_CC_FLAGS        = /nologo /arch:IA32 /c /WX /GS- /W4 /Gs32768
RELEASE_VS2015_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2015_IA32_ASM_FLAGS       = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2015_IA32_NASM_FLAGS    = -Ox -f win32 -g

-RELEASE_VS2015_IA32_NASM_FLAGS    = -Ox -f win32

-NOOPT_VS2015_IA32_NASM_FLAGS      = -O0 -f win32 -g

+  DEBUG_VS2015_IA32_NASM_FLAGS    = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2015_IA32_NASM_FLAGS    = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2015_IA32_NASM_FLAGS      = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2015_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2015_IA32_DLINK_FLAGS   = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1396,9 +1396,9 @@ NOOPT_VS2015_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /G
RELEASE_VS2015_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2015_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2015_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2015_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2015_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2015_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2015_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2015_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2015_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2015_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1476,9 +1476,9 @@ NOOPT_VS2015x86_IA32_CC_FLAGS      = /nologo /arch:IA32 /c /WX /GS- /W4 /Gs32768
RELEASE_VS2015x86_IA32_ASM_FLAGS   = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2015x86_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2015x86_IA32_NASM_FLAGS  = -Ox -f win32 -g

-RELEASE_VS2015x86_IA32_NASM_FLAGS  = -Ox -f win32

-NOOPT_VS2015x86_IA32_NASM_FLAGS    = -O0 -f win32 -g

+  DEBUG_VS2015x86_IA32_NASM_FLAGS  = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2015x86_IA32_NASM_FLAGS  = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2015x86_IA32_NASM_FLAGS    = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2015x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2015x86_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1508,9 +1508,9 @@ NOOPT_VS2015x86_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE
RELEASE_VS2015x86_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2015x86_X64_ASM_FLAGS      = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2015x86_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2015x86_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2015x86_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2015x86_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2015x86_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2015x86_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2015x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2015x86_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1586,9 +1586,9 @@ NOOPT_VS2017_IA32_CC_FLAGS      = /nologo /arch:IA32 /c /WX /GS- /W4 /Gs32768 /D
RELEASE_VS2017_IA32_ASM_FLAGS   = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2017_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2017_IA32_NASM_FLAGS  = -Ox -f win32 -g

-RELEASE_VS2017_IA32_NASM_FLAGS  = -Ox -f win32

-NOOPT_VS2017_IA32_NASM_FLAGS    = -O0 -f win32 -g

+  DEBUG_VS2017_IA32_NASM_FLAGS  = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2017_IA32_NASM_FLAGS  = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2017_IA32_NASM_FLAGS    = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2017_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2017_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1616,9 +1616,9 @@ NOOPT_VS2017_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /G
RELEASE_VS2017_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2017_X64_ASM_FLAGS      = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2017_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2017_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2017_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2017_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2017_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2017_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2017_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4281 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2017_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4281 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1744,9 +1744,9 @@ NOOPT_VS2019_IA32_CC_FLAGS      = /nologo /arch:IA32 /c /WX /GS- /W4 /Gs32768 /D
RELEASE_VS2019_IA32_ASM_FLAGS   = /nologo /c /WX /W3 /Cx /coff /Zd

NOOPT_VS2019_IA32_ASM_FLAGS     = /nologo /c /WX /W3 /Cx /coff /Zd /Zi



-  DEBUG_VS2019_IA32_NASM_FLAGS  = -Ox -f win32 -g

-RELEASE_VS2019_IA32_NASM_FLAGS  = -Ox -f win32

-NOOPT_VS2019_IA32_NASM_FLAGS    = -O0 -f win32 -g

+  DEBUG_VS2019_IA32_NASM_FLAGS  = -Ox -f win32 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2019_IA32_NASM_FLAGS  = -Ox -f win32 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2019_IA32_NASM_FLAGS    = -O0 -f win32 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2019_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2019_IA32_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /MACHINE:X86 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -1774,9 +1774,9 @@ NOOPT_VS2019_X64_CC_FLAGS       = /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /G
RELEASE_VS2019_X64_ASM_FLAGS    = /nologo /c /WX /W3 /Cx /Zd

NOOPT_VS2019_X64_ASM_FLAGS      = /nologo /c /WX /W3 /Cx /Zd /Zi



-  DEBUG_VS2019_X64_NASM_FLAGS   = -Ox -f win64 -g

-RELEASE_VS2019_X64_NASM_FLAGS   = -Ox -f win64

-NOOPT_VS2019_X64_NASM_FLAGS     = -O0 -f win64 -g

+  DEBUG_VS2019_X64_NASM_FLAGS   = -Ox -f win64 -g -DRODATA_SECTION_NAME=.rdata

+RELEASE_VS2019_X64_NASM_FLAGS   = -Ox -f win64 -DRODATA_SECTION_NAME=.rdata

+NOOPT_VS2019_X64_NASM_FLAGS     = -O0 -f win64 -g -DRODATA_SECTION_NAME=.rdata



  DEBUG_VS2019_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4281 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /DEBUG

RELEASE_VS2019_X64_DLINK_FLAGS  = /NOLOGO /NODEFAULTLIB /IGNORE:4001 /IGNORE:4281 /IGNORE:4254 /OPT:REF /OPT:ICF=10 /MAP /ALIGN:32 /SECTION:.xdata,D /SECTION:.pdata,D /Machine:X64 /LTCG /DLL /ENTRY:$(IMAGE_ENTRY_POINT) /SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /SAFESEH:NO /BASE:0 /DRIVER /MERGE:.rdata=.data

@@ -2030,7 +2030,7 @@ DEFINE GCC_PP_FLAGS                        = -E -x assembler-with-cpp -include A
*_GCC48_IA32_DLINK2_FLAGS         = DEF(GCC48_IA32_DLINK2_FLAGS)

*_GCC48_IA32_RC_FLAGS             = DEF(GCC_IA32_RC_FLAGS)

*_GCC48_IA32_OBJCOPY_FLAGS        =

-*_GCC48_IA32_NASM_FLAGS           = -f elf32

+*_GCC48_IA32_NASM_FLAGS           = -f elf32 -DRODATA_SECTION_NAME=.rodata



  DEBUG_GCC48_IA32_CC_FLAGS       = DEF(GCC48_IA32_CC_FLAGS) -Os

RELEASE_GCC48_IA32_CC_FLAGS       = DEF(GCC48_IA32_CC_FLAGS) -Os -Wno-unused-but-set-variable

@@ -2058,7 +2058,7 @@ RELEASE_GCC48_IA32_CC_FLAGS       = DEF(GCC48_IA32_CC_FLAGS) -Os -Wno-unused-but
*_GCC48_X64_DLINK2_FLAGS         = DEF(GCC48_X64_DLINK2_FLAGS)

*_GCC48_X64_RC_FLAGS             = DEF(GCC_X64_RC_FLAGS)

*_GCC48_X64_OBJCOPY_FLAGS        =

-*_GCC48_X64_NASM_FLAGS           = -f elf64

+*_GCC48_X64_NASM_FLAGS           = -f elf64 -DRODATA_SECTION_NAME=.rodata



  DEBUG_GCC48_X64_CC_FLAGS       = DEF(GCC48_X64_CC_FLAGS) -Os

RELEASE_GCC48_X64_CC_FLAGS       = DEF(GCC48_X64_CC_FLAGS) -Os -Wno-unused-but-set-variable

@@ -2170,7 +2170,7 @@ RELEASE_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -Wno-unused-but-s
*_GCC49_IA32_DLINK2_FLAGS         = DEF(GCC49_IA32_DLINK2_FLAGS)

*_GCC49_IA32_RC_FLAGS             = DEF(GCC_IA32_RC_FLAGS)

*_GCC49_IA32_OBJCOPY_FLAGS        =

-*_GCC49_IA32_NASM_FLAGS           = -f elf32

+*_GCC49_IA32_NASM_FLAGS           = -f elf32 -DRODATA_SECTION_NAME=.rodata



  DEBUG_GCC49_IA32_CC_FLAGS       = DEF(GCC49_IA32_CC_FLAGS) -Os

RELEASE_GCC49_IA32_CC_FLAGS       = DEF(GCC49_IA32_CC_FLAGS) -Os -Wno-unused-but-set-variable -Wno-unused-const-variable

@@ -2198,7 +2198,7 @@ RELEASE_GCC49_IA32_CC_FLAGS       = DEF(GCC49_IA32_CC_FLAGS) -Os -Wno-unused-but
*_GCC49_X64_DLINK2_FLAGS         = DEF(GCC49_X64_DLINK2_FLAGS)

*_GCC49_X64_RC_FLAGS             = DEF(GCC_X64_RC_FLAGS)

*_GCC49_X64_OBJCOPY_FLAGS        =

-*_GCC49_X64_NASM_FLAGS           = -f elf64

+*_GCC49_X64_NASM_FLAGS           = -f elf64 -DRODATA_SECTION_NAME=.rodata



  DEBUG_GCC49_X64_CC_FLAGS       = DEF(GCC49_X64_CC_FLAGS) -Os

RELEASE_GCC49_X64_CC_FLAGS       = DEF(GCC49_X64_CC_FLAGS) -Os -Wno-unused-but-set-variable -Wno-unused-const-variable

@@ -2316,7 +2316,7 @@ RELEASE_GCC49_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
*_GCC5_IA32_DLINK2_FLAGS         = DEF(GCC5_IA32_DLINK2_FLAGS) -no-pie

*_GCC5_IA32_RC_FLAGS             = DEF(GCC_IA32_RC_FLAGS)

*_GCC5_IA32_OBJCOPY_FLAGS        =

-*_GCC5_IA32_NASM_FLAGS           = -f elf32

+*_GCC5_IA32_NASM_FLAGS           = -f elf32 -DRODATA_SECTION_NAME=.rodata



  DEBUG_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -flto -Os

  DEBUG_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386

@@ -2348,7 +2348,7 @@ RELEASE_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,
*_GCC5_X64_DLINK2_FLAGS          = DEF(GCC5_X64_DLINK2_FLAGS)

*_GCC5_X64_RC_FLAGS              = DEF(GCC_X64_RC_FLAGS)

*_GCC5_X64_OBJCOPY_FLAGS         =

-*_GCC5_X64_NASM_FLAGS            = -f elf64

+*_GCC5_X64_NASM_FLAGS            = -f elf64 -DRODATA_SECTION_NAME=.rodata



  DEBUG_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os

  DEBUG_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os

@@ -2589,7 +2589,7 @@ DEFINE CLANG38_ALL_CC_FLAGS         = DEF(GCC48_ALL_CC_FLAGS) DEF(CLANG38_WARNIN
*_CLANG38_IA32_ASM_FLAGS            = DEF(GCC5_ASM_FLAGS) -m32 -march=i386 DEF(CLANG38_IA32_TARGET)

*_CLANG38_IA32_RC_FLAGS             = DEF(GCC_IA32_RC_FLAGS)

*_CLANG38_IA32_OBJCOPY_FLAGS        =

-*_CLANG38_IA32_NASM_FLAGS           = -f elf32

+*_CLANG38_IA32_NASM_FLAGS           = -f elf32 -DRODATA_SECTION_NAME=.rodata

*_CLANG38_IA32_PP_FLAGS             = DEF(GCC_PP_FLAGS) DEF(CLANG38_IA32_TARGET)

*_CLANG38_IA32_ASLPP_FLAGS          = DEF(GCC_ASLPP_FLAGS) DEF(CLANG38_IA32_TARGET)

*_CLANG38_IA32_VFRPP_FLAGS          = DEF(GCC_VFRPP_FLAGS) DEF(CLANG38_IA32_TARGET)

@@ -2626,7 +2626,7 @@ NOOPT_CLANG38_IA32_DLINK2_FLAGS     = DEF(GCC5_IA32_DLINK2_FLAGS) -O0
*_CLANG38_X64_ASM_FLAGS            = DEF(GCC5_ASM_FLAGS) -m64 DEF(CLANG38_X64_TARGET)

*_CLANG38_X64_RC_FLAGS             = DEF(GCC_X64_RC_FLAGS)

*_CLANG38_X64_OBJCOPY_FLAGS        =

-*_CLANG38_X64_NASM_FLAGS           = -f elf64

+*_CLANG38_X64_NASM_FLAGS           = -f elf64 -DRODATA_SECTION_NAME=.rodata

*_CLANG38_X64_PP_FLAGS             = DEF(GCC_PP_FLAGS) DEF(CLANG38_X64_TARGET)

*_CLANG38_X64_ASLPP_FLAGS          = DEF(GCC_ASLPP_FLAGS) DEF(CLANG38_X64_TARGET)

*_CLANG38_X64_VFRPP_FLAGS          = DEF(GCC_VFRPP_FLAGS) DEF(CLANG38_X64_TARGET)

@@ -2777,7 +2777,7 @@ DEFINE CLANGPDB_ALL_CC_FLAGS         = DEF(GCC48_ALL_CC_FLAGS) DEF(CLANGPDB_WARN
*_CLANGPDB_IA32_ASLCC_FLAGS          = DEF(GCC_ASLCC_FLAGS) -m32 -fno-lto DEF(CLANGPDB_IA32_TARGET)

*_CLANGPDB_IA32_ASM_FLAGS            = DEF(GCC_ASM_FLAGS) -m32 -march=i386 DEF(CLANGPDB_IA32_TARGET)

*_CLANGPDB_IA32_OBJCOPY_FLAGS        =

-*_CLANGPDB_IA32_NASM_FLAGS           = -f win32

+*_CLANGPDB_IA32_NASM_FLAGS           = -f win32 -DRODATA_SECTION_NAME=.rdata

*_CLANGPDB_IA32_PP_FLAGS             = DEF(GCC_PP_FLAGS) DEF(CLANGPDB_IA32_TARGET)

*_CLANGPDB_IA32_ASLPP_FLAGS          = DEF(GCC_ASLPP_FLAGS) DEF(CLANGPDB_IA32_TARGET)

*_CLANGPDB_IA32_VFRPP_FLAGS          = DEF(GCC_VFRPP_FLAGS) DEF(CLANGPDB_IA32_TARGET)

@@ -2811,7 +2811,7 @@ NOOPT_CLANGPDB_IA32_DLINK2_FLAGS     =
*_CLANGPDB_X64_ASLCC_FLAGS          = DEF(GCC_ASLCC_FLAGS) -m64 -fno-lto DEF(CLANGPDB_X64_TARGET)

*_CLANGPDB_X64_ASM_FLAGS            = DEF(GCC_ASM_FLAGS) -m64 DEF(CLANGPDB_X64_TARGET)

*_CLANGPDB_X64_OBJCOPY_FLAGS        =

-*_CLANGPDB_X64_NASM_FLAGS           = -f win64

+*_CLANGPDB_X64_NASM_FLAGS           = -f win64 -DRODATA_SECTION_NAME=.rdata

*_CLANGPDB_X64_PP_FLAGS             = DEF(GCC_PP_FLAGS) DEF(CLANGPDB_X64_TARGET)

*_CLANGPDB_X64_ASLPP_FLAGS          = DEF(GCC_ASLPP_FLAGS) DEF(CLANGPDB_X64_TARGET)

*_CLANGPDB_X64_VFRPP_FLAGS          = DEF(GCC_VFRPP_FLAGS) DEF(CLANGPDB_X64_TARGET)

@@ -2878,7 +2878,7 @@ DEFINE CLANGDWARF_X64_DLINK2_FLAGS        = -Wl,--defsym=PECOFF_HEADER_SIZE=0x22
*_CLANGDWARF_IA32_ASM_FLAGS            = DEF(GCC5_ASM_FLAGS) -m32 -march=i386 DEF(CLANG38_IA32_TARGET)

*_CLANGDWARF_IA32_RC_FLAGS             = DEF(GCC_IA32_RC_FLAGS)

*_CLANGDWARF_IA32_OBJCOPY_FLAGS        =

-*_CLANGDWARF_IA32_NASM_FLAGS           = -f elf32

+*_CLANGDWARF_IA32_NASM_FLAGS           = -f elf32 -DRODATA_SECTION_NAME=.rodata

*_CLANGDWARF_IA32_PP_FLAGS             = DEF(GCC_PP_FLAGS) DEF(CLANG38_IA32_TARGET)

*_CLANGDWARF_IA32_ASLPP_FLAGS          = DEF(GCC_ASLPP_FLAGS) DEF(CLANG38_IA32_TARGET)

*_CLANGDWARF_IA32_VFRPP_FLAGS          = DEF(GCC_VFRPP_FLAGS) DEF(CLANG38_IA32_TARGET)

@@ -2914,7 +2914,7 @@ NOOPT_CLANGDWARF_IA32_DLINK2_FLAGS     = DEF(CLANGDWARF_IA32_DLINK2_FLAGS) -O0 -
*_CLANGDWARF_X64_ASM_FLAGS            = DEF(GCC5_ASM_FLAGS) -m64 DEF(CLANG38_X64_TARGET)

*_CLANGDWARF_X64_RC_FLAGS             = DEF(GCC_X64_RC_FLAGS)

*_CLANGDWARF_X64_OBJCOPY_FLAGS        =

-*_CLANGDWARF_X64_NASM_FLAGS           = -f elf64

+*_CLANGDWARF_X64_NASM_FLAGS           = -f elf64 -DRODATA_SECTION_NAME=.rodata

*_CLANGDWARF_X64_PP_FLAGS             = DEF(GCC_PP_FLAGS) DEF(CLANG38_X64_TARGET)

*_CLANGDWARF_X64_ASLPP_FLAGS          = DEF(GCC_ASLPP_FLAGS) DEF(CLANG38_X64_TARGET)

*_CLANGDWARF_X64_VFRPP_FLAGS          = DEF(GCC_VFRPP_FLAGS) DEF(CLANG38_X64_TARGET)

@@ -2985,7 +2985,7 @@ RELEASE_XCODE5_IA32_DLINK_FLAGS      = -arch i386 -u _$(IMAGE_ENTRY_POINT) -e _$
  DEBUG_XCODE5_IA32_ASM_FLAGS  = -arch i386 -g

  NOOPT_XCODE5_IA32_ASM_FLAGS  = -arch i386 -g

RELEASE_XCODE5_IA32_ASM_FLAGS  = -arch i386

-      *_XCODE5_IA32_NASM_FLAGS = -f macho32

+      *_XCODE5_IA32_NASM_FLAGS = -f macho32 -DRODATA_SECTION_NAME=.rodata




An EFI Mach-O file does not contain a .rodata section. A Mach-O contains a __DATA segment that is broken up into sections. For a typical EFI image there are __const, __data, __bss sections in the __DATA segment [1].

The mtoc [2] tool used to convert mach-O to PE/COFF converts the entire __DATA segment (__const, __data, and __bss) into the .data section. Thus adding any kind of new data section is a no-op at best. 

If you want something to be read only for Xcode/clang you are better off putting it in the __TEXT section [3]. The __TEXT section is read only and for X64 can not even contain relocations. 

[1] otool -lh DxeCore.dll
...
Load command 1
      cmd LC_SEGMENT_64
  cmdsize 312
  segname __DATA
   vmaddr 0x000000000002b000
   vmsize 0x0000000000147000
  fileoff 180224
 filesize 8192
  maxprot 0x00000003
 initprot 0x00000003
   nsects 3
    flags 0x0
Section
  sectname __const
   segname __DATA
      addr 0x000000000002b000
      size 0x0000000000000718
    offset 180224
     align 2^4 (16)
    reloff 0
    nreloc 0
     flags 0x00000000
 reserved1 0
 reserved2 0
Section
  sectname __data
   segname __DATA
      addr 0x000000000002b720
      size 0x00000000000014f0
    offset 182048
     align 2^4 (16)
    reloff 0
    nreloc 0
     flags 0x00000000
 reserved1 0
 reserved2 0
Section
  sectname __bss
   segname __DATA
      addr 0x000000000002cc10
      size 0x0000000000144e11
    offset 0
     align 2^4 (16)
    reloff 0
    nreloc 0
     flags 0x00000001
 reserved1 0
 reserved2 0

[2] https://opensource.apple.com/source/cctools/cctools-698/efitools/mtoc.c.auto.html 

[3] otool more output…
Load command 0
      cmd LC_SEGMENT_64
  cmdsize 392
  segname __TEXT
   vmaddr 0x0000000000000240
   vmsize 0x00000000000296c0
  fileoff 1184
 filesize 169664
  maxprot 0x00000005
 initprot 0x00000005
   nsects 4
    flags 0x0
Section
  sectname __text
   segname __TEXT
      addr 0x0000000000000240
      size 0x000000000002489f
    offset 1184
     align 2^3 (8)
    reloff 0
    nreloc 0
     flags 0x80000400
 reserved1 0
 reserved2 0
Section
  sectname __cstring
   segname __TEXT
      addr 0x0000000000024ae0
      size 0x000000000000496d
    offset 150848
     align 2^4 (16)
    reloff 0
    nreloc 0
     flags 0x00000002
 reserved1 0
 reserved2 0
Section
  sectname __ustring
   segname __TEXT
      addr 0x000000000002944e
      size 0x0000000000000048
    offset 169646
     align 2^1 (2)
    reloff 0
    nreloc 0
     flags 0x00000000
 reserved1 0
 reserved2 0
Section
  sectname __const
   segname __TEXT
      addr 0x00000000000294a0
      size 0x0000000000000448
    offset 169728
     align 2^4 (16)
    reloff 0
    nreloc 0
     flags 0x00000000
 reserved1 0
 reserved2 0

Thanks,

Andrew Fish



  DEBUG_XCODE5_IA32_CC_FLAGS   = -arch i386 -c -g -Os       -Wall -Werror -include AutoGen.h -funsigned-char -fno-stack-protector -fno-builtin -fshort-wchar -fasm-blocks -mdynamic-no-pic -mno-implicit-float -mms-bitfields -msoft-float -Wno-unused-parameter -Wno-missing-braces -Wno-missing-field-initializers -Wno-tautological-compare -Wno-sign-compare -Wno-varargs -ftrap-function=undefined_behavior_has_been_optimized_away_by_clang $(PLATFORM_FLAGS)

@@ -3003,7 +3003,7 @@ RELEASE_XCODE5_X64_DLINK_FLAGS      = -arch x86_64 -u _$(IMAGE_ENTRY_POINT) -e _
  DEBUG_XCODE5_X64_ASM_FLAGS  = -arch x86_64 -g

  NOOPT_XCODE5_X64_ASM_FLAGS  = -arch x86_64 -g

RELEASE_XCODE5_X64_ASM_FLAGS  = -arch x86_64

-      *_XCODE5_X64_NASM_FLAGS = -f macho64

+      *_XCODE5_X64_NASM_FLAGS = -f macho64 -DRODATA_SECTION_NAME=.rodata

*_XCODE5_*_PP_FLAGS         = -E -x assembler-with-cpp -include AutoGen.h

*_XCODE5_*_VFRPP_FLAGS      = -x c -E -P -DVFRCOMPILE -include $(MODULE_NAME)StrDefs.h



--
2.31.1