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[edk2] [PATCH] BaseTools/tools_def AARCH64: enable frame pointers for RELEASE builds

Ard Biesheuvel posted 1 patch 7 years, 3 months ago
Failed in applying to current master (apply log)
BaseTools/Conf/tools_def.template | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
[edk2] [PATCH] BaseTools/tools_def AARCH64: enable frame pointers for RELEASE builds
Posted by Ard Biesheuvel 7 years, 3 months ago 
Commit 8f0b62a5dac0 ("BaseTools/tools_def AARCH64: enable frame pointers
for DEBUG builds") removed the -fomit-frame-pointer switch from the
shared CFLAGS between AARCH64 DEBUG and RELEASE build, and move it to
the RELEASE specific ones, so that DEBUG builds can produce a backtrace
when a crash occurs.

This is actually a useful thing to have for RELEASE builds as well.
AArch64 has 30 general purpose registers, and so the performance hit of
having a frame pointer is unlikely to be noticeable, nor are the
additional 8 bytes of stack space likely to present a problem.

So remove -fomit-frame-pointer altogether this time.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 BaseTools/Conf/tools_def.template | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index cbb5024c1bd3..e93c2a0bf1ef 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -4990,7 +4990,7 @@ RELEASE_GCC47_ARM_CC_FLAGS       = DEF(GCC47_ARM_CC_FLAGS) -Wno-unused-but-set-v
 *_GCC47_AARCH64_CC_XIPFLAGS      = DEF(GCC47_AARCH64_CC_XIPFLAGS)
 
   DEBUG_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS) -O0
-RELEASE_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -fomit-frame-pointer
+RELEASE_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable
   NOOPT_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS) -O0
 
 ####################################################################################
@@ -5130,7 +5130,7 @@ RELEASE_GCC48_ARM_CC_FLAGS       = DEF(GCC48_ARM_CC_FLAGS) -Wno-unused-but-set-v
 *_GCC48_AARCH64_CC_XIPFLAGS      = DEF(GCC48_AARCH64_CC_XIPFLAGS)
 
   DEBUG_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -O0
-RELEASE_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -fomit-frame-pointer
+RELEASE_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable
   NOOPT_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -O0
 
 ####################################################################################
@@ -5272,7 +5272,7 @@ RELEASE_GCC49_ARM_CC_FLAGS       = DEF(GCC49_ARM_CC_FLAGS) -Wno-unused-but-set-v
   DEBUG_GCC49_AARCH64_DLINK_FLAGS  = DEF(GCC49_AARCH64_DLINK_FLAGS) -z common-page-size=0x1000
   DEBUG_GCC49_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
 
-RELEASE_GCC49_AARCH64_CC_FLAGS     = DEF(GCC49_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -Wno-unused-const-variable -mcmodel=tiny -fomit-frame-pointer
+RELEASE_GCC49_AARCH64_CC_FLAGS     = DEF(GCC49_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -Wno-unused-const-variable -mcmodel=tiny
 RELEASE_GCC49_AARCH64_DLINK_FLAGS  = DEF(GCC49_AARCH64_DLINK_FLAGS)
 
   NOOPT_GCC49_AARCH64_CC_FLAGS     = DEF(GCC49_AARCH64_CC_FLAGS) -O0 -mcmodel=small
@@ -5428,7 +5428,7 @@ RELEASE_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKS
   DEBUG_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -z common-page-size=0x1000
   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 -mcmodel=tiny -fomit-frame-pointer
+RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable -mcmodel=tiny
 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
 
   NOOPT_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -O0 -mcmodel=small
@@ -5513,7 +5513,7 @@ RELEASE_CLANG35_ARM_CC_FLAGS     = DEF(CLANG35_ARM_CC_FLAGS) $(ARCHCC_FLAGS) $(P
 *_CLANG35_AARCH64_CC_XIPFLAGS    = DEF(GCC_AARCH64_CC_XIPFLAGS)
 
   DEBUG_CLANG35_AARCH64_CC_FLAGS = DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) -O0
-RELEASE_CLANG35_AARCH64_CC_FLAGS = DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) -Oz -fomit-frame-pointer
+RELEASE_CLANG35_AARCH64_CC_FLAGS = DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) -Oz
 
 ####################################################################################
 #
-- 
2.11.0

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Re: [edk2] [PATCH] BaseTools/tools_def AARCH64: enable frame pointers for RELEASE builds
Posted by Leif Lindholm 7 years, 3 months ago 
On Fri, Sep 15, 2017 at 04:13:56PM -0700, Ard Biesheuvel wrote:
> Commit 8f0b62a5dac0 ("BaseTools/tools_def AARCH64: enable frame pointers
> for DEBUG builds") removed the -fomit-frame-pointer switch from the
> shared CFLAGS between AARCH64 DEBUG and RELEASE build, and move it to
> the RELEASE specific ones, so that DEBUG builds can produce a backtrace
> when a crash occurs.
> 
> This is actually a useful thing to have for RELEASE builds as well.
> AArch64 has 30 general purpose registers, and so the performance hit of
> having a frame pointer is unlikely to be noticeable, nor are the
> additional 8 bytes of stack space likely to present a problem.
> 
> So remove -fomit-frame-pointer altogether this time.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

Looks sensible.
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

/
    Leif

> ---
>  BaseTools/Conf/tools_def.template | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
> index cbb5024c1bd3..e93c2a0bf1ef 100755
> --- a/BaseTools/Conf/tools_def.template
> +++ b/BaseTools/Conf/tools_def.template
> @@ -4990,7 +4990,7 @@ RELEASE_GCC47_ARM_CC_FLAGS       = DEF(GCC47_ARM_CC_FLAGS) -Wno-unused-but-set-v
>  *_GCC47_AARCH64_CC_XIPFLAGS      = DEF(GCC47_AARCH64_CC_XIPFLAGS)
>  
>    DEBUG_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS) -O0
> -RELEASE_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -fomit-frame-pointer
> +RELEASE_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable
>    NOOPT_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS) -O0
>  
>  ####################################################################################
> @@ -5130,7 +5130,7 @@ RELEASE_GCC48_ARM_CC_FLAGS       = DEF(GCC48_ARM_CC_FLAGS) -Wno-unused-but-set-v
>  *_GCC48_AARCH64_CC_XIPFLAGS      = DEF(GCC48_AARCH64_CC_XIPFLAGS)
>  
>    DEBUG_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -O0
> -RELEASE_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -fomit-frame-pointer
> +RELEASE_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable
>    NOOPT_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS) -O0
>  
>  ####################################################################################
> @@ -5272,7 +5272,7 @@ RELEASE_GCC49_ARM_CC_FLAGS       = DEF(GCC49_ARM_CC_FLAGS) -Wno-unused-but-set-v
>    DEBUG_GCC49_AARCH64_DLINK_FLAGS  = DEF(GCC49_AARCH64_DLINK_FLAGS) -z common-page-size=0x1000
>    DEBUG_GCC49_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>  
> -RELEASE_GCC49_AARCH64_CC_FLAGS     = DEF(GCC49_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -Wno-unused-const-variable -mcmodel=tiny -fomit-frame-pointer
> +RELEASE_GCC49_AARCH64_CC_FLAGS     = DEF(GCC49_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -Wno-unused-const-variable -mcmodel=tiny
>  RELEASE_GCC49_AARCH64_DLINK_FLAGS  = DEF(GCC49_AARCH64_DLINK_FLAGS)
>  
>    NOOPT_GCC49_AARCH64_CC_FLAGS     = DEF(GCC49_AARCH64_CC_FLAGS) -O0 -mcmodel=small
> @@ -5428,7 +5428,7 @@ RELEASE_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKS
>    DEBUG_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -z common-page-size=0x1000
>    DEBUG_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>  
> -RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable -mcmodel=tiny -fomit-frame-pointer
> +RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable -mcmodel=tiny
>  RELEASE_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
>  
>    NOOPT_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -O0 -mcmodel=small
> @@ -5513,7 +5513,7 @@ RELEASE_CLANG35_ARM_CC_FLAGS     = DEF(CLANG35_ARM_CC_FLAGS) $(ARCHCC_FLAGS) $(P
>  *_CLANG35_AARCH64_CC_XIPFLAGS    = DEF(GCC_AARCH64_CC_XIPFLAGS)
>  
>    DEBUG_CLANG35_AARCH64_CC_FLAGS = DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) -O0
> -RELEASE_CLANG35_AARCH64_CC_FLAGS = DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) -Oz -fomit-frame-pointer
> +RELEASE_CLANG35_AARCH64_CC_FLAGS = DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) -Oz
>  
>  ####################################################################################
>  #
> -- 
> 2.11.0
> 
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edk2-devel@lists.01.org
https://lists.01.org/mailman/listinfo/edk2-devel
Re: [edk2] [PATCH] BaseTools/tools_def AARCH64: enable frame pointers for RELEASE builds
Posted by Gao, Liming 7 years, 3 months ago 
Reviewed-by: Liming Gao <liming.gao@intel.com>

>-----Original Message-----
>From: Leif Lindholm [mailto:leif.lindholm@linaro.org]
>Sent: Saturday, September 16, 2017 3:34 PM
>To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>Cc: edk2-devel@lists.01.org; Gao, Liming <liming.gao@intel.com>; Zhu,
>Yonghong <yonghong.zhu@intel.com>
>Subject: Re: [PATCH] BaseTools/tools_def AARCH64: enable frame pointers
>for RELEASE builds
>
>On Fri, Sep 15, 2017 at 04:13:56PM -0700, Ard Biesheuvel wrote:
>> Commit 8f0b62a5dac0 ("BaseTools/tools_def AARCH64: enable frame
>pointers
>> for DEBUG builds") removed the -fomit-frame-pointer switch from the
>> shared CFLAGS between AARCH64 DEBUG and RELEASE build, and move it
>to
>> the RELEASE specific ones, so that DEBUG builds can produce a backtrace
>> when a crash occurs.
>>
>> This is actually a useful thing to have for RELEASE builds as well.
>> AArch64 has 30 general purpose registers, and so the performance hit of
>> having a frame pointer is unlikely to be noticeable, nor are the
>> additional 8 bytes of stack space likely to present a problem.
>>
>> So remove -fomit-frame-pointer altogether this time.
>>
>> Contributed-under: TianoCore Contribution Agreement 1.1
>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>
>Looks sensible.
>Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
>
>/
>    Leif
>
>> ---
>>  BaseTools/Conf/tools_def.template | 10 +++++-----
>>  1 file changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/BaseTools/Conf/tools_def.template
>b/BaseTools/Conf/tools_def.template
>> index cbb5024c1bd3..e93c2a0bf1ef 100755
>> --- a/BaseTools/Conf/tools_def.template
>> +++ b/BaseTools/Conf/tools_def.template
>> @@ -4990,7 +4990,7 @@ RELEASE_GCC47_ARM_CC_FLAGS       =
>DEF(GCC47_ARM_CC_FLAGS) -Wno-unused-but-set-v
>>  *_GCC47_AARCH64_CC_XIPFLAGS      =
>DEF(GCC47_AARCH64_CC_XIPFLAGS)
>>
>>    DEBUG_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS)
>-O0
>> -RELEASE_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS)
>-Wno-unused-but-set-variable -fomit-frame-pointer
>> +RELEASE_GCC47_AARCH64_CC_FLAGS   =
>DEF(GCC47_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable
>>    NOOPT_GCC47_AARCH64_CC_FLAGS   = DEF(GCC47_AARCH64_CC_FLAGS)
>-O0
>>
>>
>###########################################################
>#########################
>> @@ -5130,7 +5130,7 @@ RELEASE_GCC48_ARM_CC_FLAGS       =
>DEF(GCC48_ARM_CC_FLAGS) -Wno-unused-but-set-v
>>  *_GCC48_AARCH64_CC_XIPFLAGS      =
>DEF(GCC48_AARCH64_CC_XIPFLAGS)
>>
>>    DEBUG_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS)
>-O0
>> -RELEASE_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS)
>-Wno-unused-but-set-variable -fomit-frame-pointer
>> +RELEASE_GCC48_AARCH64_CC_FLAGS   =
>DEF(GCC48_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable
>>    NOOPT_GCC48_AARCH64_CC_FLAGS   = DEF(GCC48_AARCH64_CC_FLAGS)
>-O0
>>
>>
>###########################################################
>#########################
>> @@ -5272,7 +5272,7 @@ RELEASE_GCC49_ARM_CC_FLAGS       =
>DEF(GCC49_ARM_CC_FLAGS) -Wno-unused-but-set-v
>>    DEBUG_GCC49_AARCH64_DLINK_FLAGS  =
>DEF(GCC49_AARCH64_DLINK_FLAGS) -z common-page-size=0x1000
>>    DEBUG_GCC49_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>>
>> -RELEASE_GCC49_AARCH64_CC_FLAGS     =
>DEF(GCC49_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -Wno-
>unused-const-variable -mcmodel=tiny -fomit-frame-pointer
>> +RELEASE_GCC49_AARCH64_CC_FLAGS     =
>DEF(GCC49_AARCH64_CC_FLAGS) -Wno-unused-but-set-variable -Wno-
>unused-const-variable -mcmodel=tiny
>>  RELEASE_GCC49_AARCH64_DLINK_FLAGS  =
>DEF(GCC49_AARCH64_DLINK_FLAGS)
>>
>>    NOOPT_GCC49_AARCH64_CC_FLAGS     =
>DEF(GCC49_AARCH64_CC_FLAGS) -O0 -mcmodel=small
>> @@ -5428,7 +5428,7 @@ RELEASE_GCC5_ARM_DLINK_FLAGS     =
>DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKS
>>    DEBUG_GCC5_AARCH64_DLINK_FLAGS =
>DEF(GCC5_AARCH64_DLINK_FLAGS) -z common-page-size=0x1000
>>    DEBUG_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>>
>> -RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS)
>-flto -Wno-unused-but-set-variable -Wno-unused-const-variable -
>mcmodel=tiny -fomit-frame-pointer
>> +RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS)
>-flto -Wno-unused-but-set-variable -Wno-unused-const-variable -
>mcmodel=tiny
>>  RELEASE_GCC5_AARCH64_DLINK_FLAGS =
>DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -
>L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-
>through=-llto-aarch64 -Wno-lto-type-mismatch
>>
>>    NOOPT_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -
>O0 -mcmodel=small
>> @@ -5513,7 +5513,7 @@ RELEASE_CLANG35_ARM_CC_FLAGS     =
>DEF(CLANG35_ARM_CC_FLAGS) $(ARCHCC_FLAGS) $(P
>>  *_CLANG35_AARCH64_CC_XIPFLAGS    = DEF(GCC_AARCH64_CC_XIPFLAGS)
>>
>>    DEBUG_CLANG35_AARCH64_CC_FLAGS =
>DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS)
>-O0
>> -RELEASE_CLANG35_AARCH64_CC_FLAGS =
>DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS)
>-Oz -fomit-frame-pointer
>> +RELEASE_CLANG35_AARCH64_CC_FLAGS =
>DEF(CLANG35_AARCH64_CC_FLAGS) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS)
>-Oz
>>
>>
>###########################################################
>#########################
>>  #
>> --
>> 2.11.0
>>
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Re: [edk2] [PATCH] BaseTools/tools_def AARCH64: enable frame pointers for RELEASE builds
Posted by Ard Biesheuvel 7 years, 3 months ago 
On 17 September 2017 at 22:06, Gao, Liming <liming.gao@intel.com> wrote:
> Reviewed-by: Liming Gao <liming.gao@intel.com>
>
[...]
>>>
>>> So remove -fomit-frame-pointer altogether this time.
>>>
>>> Contributed-under: TianoCore Contribution Agreement 1.1
>>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>>
>>Looks sensible.
>>Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
>>

Pushed as 424a5ec33b3d5a842bff3f4695d0bd709c91a163

Thanks.
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