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[edk2-devel] [PATCH V2] BaseTools: Add -ffat-lto-objects option in GCC5 tool chain

gaoliming posted 1 patch 2 years, 11 months ago
Failed in applying to current master (apply log)
BaseTools/Conf/tools_def.template | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
[edk2-devel] [PATCH V2] BaseTools: Add -ffat-lto-objects option in GCC5 tool chain
Posted by gaoliming 2 years, 11 months ago 
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3403

Now, some uninitialized warning can't be detected on GCC5 tool chain, but
can be detected on GCC49 tool chain. Edk2 CI only covers GCC5 tool chain. 
So, the merged code may impact GCC49 build. 

This option is added to expose such uninitialized warning in GCC5 tool chain
and increase GCC5 tool chain coverage. 

And, this is gcc issue https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90844

Cc: Sergei Dmitrouk <sergei@posteo.net>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Signed-off-by: Liming Gao <gaoliming@byosoft.com.cn>
Acked-by: Laszlo Ersek <lersek@redhat.com>
---
 In V2, only commit message is updated to include more detail information.
 And, this patch is not for stable tag 202105. 

 BaseTools/Conf/tools_def.template | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index 498696e583..aad5297385 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -2315,10 +2315,10 @@ RELEASE_GCC49_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
 *_GCC5_IA32_OBJCOPY_FLAGS        =
 *_GCC5_IA32_NASM_FLAGS           = -f elf32
 
-  DEBUG_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -flto -Os
+  DEBUG_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -ffat-lto-objects -flto -Os
   DEBUG_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386
 
-RELEASE_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -flto -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
+RELEASE_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -ffat-lto-objects -flto -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
 RELEASE_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386
 
   NOOPT_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -O0
@@ -2347,10 +2347,10 @@ RELEASE_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,
 *_GCC5_X64_OBJCOPY_FLAGS         =
 *_GCC5_X64_NASM_FLAGS            = -f elf64
 
-  DEBUG_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os
+  DEBUG_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -ffat-lto-objects -flto -DUSING_LTO -Os
   DEBUG_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
 
-RELEASE_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
+RELEASE_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -ffat-lto-objects -flto -DUSING_LTO -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
 RELEASE_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
 
   NOOPT_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -O0
@@ -2382,10 +2382,10 @@ RELEASE_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
 *_GCC5_ARM_VFRPP_FLAGS           = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC_VFRPP_FLAGS)
 *_GCC5_ARM_CC_XIPFLAGS           = DEF(GCC5_ARM_CC_XIPFLAGS)
 
-  DEBUG_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
+  DEBUG_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
   DEBUG_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-arm -Wl,-plugin-opt=-pass-through=-llto-arm
 
-RELEASE_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
+RELEASE_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
 RELEASE_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-arm -Wl,-plugin-opt=-pass-through=-llto-arm
 
   NOOPT_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -O0
@@ -2416,11 +2416,11 @@ RELEASE_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKS
 *_GCC5_AARCH64_VFRPP_FLAGS       = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC_VFRPP_FLAGS)
 *_GCC5_AARCH64_CC_XIPFLAGS       = DEF(GCC5_AARCH64_CC_XIPFLAGS)
 
-  DEBUG_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
+  DEBUG_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
   DEBUG_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
   DEBUG_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
 
-RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
+RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
 RELEASE_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
 RELEASE_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
 
-- 
2.27.0.windows.1




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Re: [edk2-devel] [PATCH V2] BaseTools: Add -ffat-lto-objects option in GCC5 tool chain
Posted by Laszlo Ersek 2 years, 11 months ago 
On 05/21/21 07:49, gaoliming wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3403
> 
> Now, some uninitialized warning can't be detected on GCC5 tool chain, but
> can be detected on GCC49 tool chain. Edk2 CI only covers GCC5 tool chain. 
> So, the merged code may impact GCC49 build. 
> 
> This option is added to expose such uninitialized warning in GCC5 tool chain
> and increase GCC5 tool chain coverage. 
> 
> And, this is gcc issue https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90844
> 
> Cc: Sergei Dmitrouk <sergei@posteo.net>
> Cc: Bob Feng <bob.c.feng@intel.com>
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Signed-off-by: Liming Gao <gaoliming@byosoft.com.cn>
> Acked-by: Laszlo Ersek <lersek@redhat.com>
> ---
>  In V2, only commit message is updated to include more detail information.
>  And, this patch is not for stable tag 202105. 

Thank you very much for the update!
Laszlo

> 
>  BaseTools/Conf/tools_def.template | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
> index 498696e583..aad5297385 100755
> --- a/BaseTools/Conf/tools_def.template
> +++ b/BaseTools/Conf/tools_def.template
> @@ -2315,10 +2315,10 @@ RELEASE_GCC49_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>  *_GCC5_IA32_OBJCOPY_FLAGS        =
>  *_GCC5_IA32_NASM_FLAGS           = -f elf32
>  
> -  DEBUG_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -flto -Os
> +  DEBUG_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -ffat-lto-objects -flto -Os
>    DEBUG_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386
>  
> -RELEASE_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -flto -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
> +RELEASE_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -ffat-lto-objects -flto -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
>  RELEASE_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386
>  
>    NOOPT_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -O0
> @@ -2347,10 +2347,10 @@ RELEASE_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,
>  *_GCC5_X64_OBJCOPY_FLAGS         =
>  *_GCC5_X64_NASM_FLAGS            = -f elf64
>  
> -  DEBUG_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os
> +  DEBUG_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -ffat-lto-objects -flto -DUSING_LTO -Os
>    DEBUG_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
>  
> -RELEASE_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
> +RELEASE_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -ffat-lto-objects -flto -DUSING_LTO -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
>  RELEASE_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
>  
>    NOOPT_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -O0
> @@ -2382,10 +2382,10 @@ RELEASE_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
>  *_GCC5_ARM_VFRPP_FLAGS           = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC_VFRPP_FLAGS)
>  *_GCC5_ARM_CC_XIPFLAGS           = DEF(GCC5_ARM_CC_XIPFLAGS)
>  
> -  DEBUG_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> +  DEBUG_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
>    DEBUG_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-arm -Wl,-plugin-opt=-pass-through=-llto-arm
>  
> -RELEASE_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> +RELEASE_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
>  RELEASE_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-arm -Wl,-plugin-opt=-pass-through=-llto-arm
>  
>    NOOPT_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -O0
> @@ -2416,11 +2416,11 @@ RELEASE_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKS
>  *_GCC5_AARCH64_VFRPP_FLAGS       = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC_VFRPP_FLAGS)
>  *_GCC5_AARCH64_CC_XIPFLAGS       = DEF(GCC5_AARCH64_CC_XIPFLAGS)
>  
> -  DEBUG_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> +  DEBUG_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
>    DEBUG_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
>    DEBUG_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>  
> -RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> +RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
>  RELEASE_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
>  RELEASE_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>  
> 



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