| Message ID | 1311506250-20470-2-git-send-email-mail@smogura.eu (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 24.7.2011 13:17, Rados?aw Smogura wrote: > Patch helps to debug kernel. > > Fixed some language mistakes and added few -f-no-... options. Hi, please fix the first patch directly. And please also cc linux-kernel@vger.kernel.org. Michal > > Signed-off-by: Rados?aw Smogura<mail@smogura.eu> > --- > lib/Kconfig.debug.optim | 156 +++++++++++++++++++++++++++-------- > scripts/Makefile.optim.inc | 24 ++++++ > scripts/debug/make_config_optim.sh | 66 ++++++++-------- > 3 files changed, 178 insertions(+), 68 deletions(-) > > diff --git a/lib/Kconfig.debug.optim b/lib/Kconfig.debug.optim > index 09b1012..99dcde0 100644 > --- a/lib/Kconfig.debug.optim > +++ b/lib/Kconfig.debug.optim > @@ -2,100 +2,184 @@ > # Distributed under GPL v2 License > > menuconfig HACK_OPTIM > - bool "Allows to override GCC optimization" > + bool "Allows overriding GCC optimizations" > depends on DEBUG_KERNEL&& EXPERIMENTAL > help > If you say Y here you will be able to override > - how GCC optimize kernel code. This will create > - more debug friendly, but with not guarentee > - about same runi, like production, kernel. > + how GCC optimizes kernel code. This creates > + more debug-friendly code, but does not guarantee > + the same running code like a production kernel. > > - If you say Y here probably You will want say > - for all suboptions > + If you say Y here probably you will want to say > + Y for all suboptions > > if HACK_OPTIM > > config HACK_OPTIM_FORCE_O1_LEVEL > bool "Forces -O1 optimization level" > ---help--- > - This will change how GCC optimize code. Code > + This changes how GCC optimizes code. Code > may be slower and larger but will be more debug > "friendly". > > - In some cases there is low chance that kernel > - will run different then normal, reporting or not > - some bugs or errors. Refere to GCC manual for > - more details. > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > > You SHOULD say N here. > > config HACK_OPTIM__fno_inline_functions_called_once > bool "Adds -fno-inline-functions-called-once parameter to gcc invoke line." > ---help--- > - This will change how GCC optimize code. Code > + This changes how GCC optimizes code. Code > may be slower and larger but will be more debug > "friendly". > > - In some cases there is low chance that kernel > - will run different then normal, reporting or not > - some bugs or errors. Refere to GCC manual for > - more details. > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > > You SHOULD say N here. > > config HACK_OPTIM__fno_combine_stack_adjustments > bool "Adds -fno-combine-stack-adjustments parameter to gcc invoke line." > ---help--- > - This will change how GCC optimize code. Code > + This changes how GCC optimizes code. Code > may be slower and larger but will be more debug > "friendly". > > - In some cases there is low chance that kernel > - will run different then normal, reporting or not > - some bugs or errors. Refere to GCC manual for > - more details. > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > > You SHOULD say N here. > > config HACK_OPTIM__fno_tree_dce > bool "Adds -fno-tree-dce parameter to gcc invoke line." > ---help--- > - This will change how GCC optimize code. Code > + This changes how GCC optimizes code. Code > may be slower and larger but will be more debug > "friendly". > > - In some cases there is low chance that kernel > - will run different then normal, reporting or not > - some bugs or errors. Refere to GCC manual for > - more details. > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > > You SHOULD say N here. > > config HACK_OPTIM__fno_tree_dominator_opts > bool "Adds -fno-tree-dominator-opts parameter to gcc invoke line." > ---help--- > - This will change how GCC optimize code. Code > + This changes how GCC optimizes code. Code > may be slower and larger but will be more debug > "friendly". > > - In some cases there is low chance that kernel > - will run different then normal, reporting or not > - some bugs or errors. Refere to GCC manual for > - more details. > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > > You SHOULD say N here. > > config HACK_OPTIM__fno_dse > bool "Adds -fno-dse parameter to gcc invoke line." > ---help--- > - This will change how GCC optimize code. Code > + This changes how GCC optimizes code. Code > may be slower and larger but will be more debug > "friendly". > > - In some cases there is low chance that kernel > - will run different then normal, reporting or not > - some bugs or errors. Refere to GCC manual for > - more details. > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > + > + You SHOULD say N here. > + > +config HACK_OPTIM__fno_dce > + bool "Adds -fno-dce parameter to gcc invoke line." > + ---help--- > + This changes how GCC optimizes code. Code > + may be slower and larger but will be more debug > + "friendly". > + > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > + > + You SHOULD say N here. > + > +config HACK_OPTIM__fno_auto_inc_dec > + bool "Adds -fno-auto-inc-dec parameter to gcc invoke line." > + ---help--- > + This changes how GCC optimizes code. Code > + may be slower and larger but will be more debug > + "friendly". > + > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > + > + You SHOULD say N here. > + > +config HACK_OPTIM__fno_inline_small_functions > + bool "Adds -fno-inline-small-functions parameter to gcc invoke line." > + ---help--- > + This changes how GCC optimizes code. Code > + may be slower and larger but will be more debug > + "friendly". > + > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > + > + You SHOULD say N here. > + > +config HACK_OPTIM__fno_if_conversion > + bool "Adds -fno-if-conversion parameter to gcc invoke line." > + ---help--- > + This changes how GCC optimizes code. Code > + may be slower and larger but will be more debug > + "friendly". > + > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > + > + You SHOULD say N here. > + > +config HACK_OPTIM__fno_if_conversion2 > + bool "Adds -fno-if-conversion2 parameter to gcc invoke line." > + ---help--- > + This changes how GCC optimizes code. Code > + may be slower and larger but will be more debug > + "friendly". > + > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > + > + You SHOULD say N here. > + > +config HACK_OPTIM__fno_tree_fre > + bool "Adds -fno-tree-fre parameter to gcc invoke line." > + ---help--- > + This changes how GCC optimizes code. Code > + may be slower and larger but will be more debug > + "friendly". > + > + In some cases there is a low chance that the kernel > + will run differently than normal, reporting or not > + reporting some bugs or errors. > + Refer to GCC manual for more details. > > You SHOULD say N here. > > diff --git a/scripts/Makefile.optim.inc b/scripts/Makefile.optim.inc > index e78cc92..1bd219d 100644 > --- a/scripts/Makefile.optim.inc > +++ b/scripts/Makefile.optim.inc > @@ -21,3 +21,27 @@ ifdef CONFIG_HACK_OPTIM__fno_dse > KBUILD_CFLAGS += -fno-dse > endif > > +ifdef CONFIG_HACK_OPTIM__fno_dce > + KBUILD_CFLAGS += -fno-dce > +endif > + > +ifdef CONFIG_HACK_OPTIM__fno_auto_inc_dec > + KBUILD_CFLAGS += -fno-auto-inc-dec > +endif > + > +ifdef CONFIG_HACK_OPTIM__fno_inline_small_functions > + KBUILD_CFLAGS += -fno-inline-small-functions > +endif > + > +ifdef CONFIG_HACK_OPTIM__fno_if_conversion > + KBUILD_CFLAGS += -fno-if-conversion > +endif > + > +ifdef CONFIG_HACK_OPTIM__fno_if_conversion2 > + KBUILD_CFLAGS += -fno-if-conversion2 > +endif > + > +ifdef CONFIG_HACK_OPTIM__fno_tree_fre > + KBUILD_CFLAGS += -fno-tree-fre > +endif > + > diff --git a/scripts/debug/make_config_optim.sh b/scripts/debug/make_config_optim.sh > index 26865923..4db8419 100644 > --- a/scripts/debug/make_config_optim.sh > +++ b/scripts/debug/make_config_optim.sh > @@ -16,22 +16,42 @@ OPTIMIZATIONS_PARAMS="-fno-inline-functions-called-once \ > -fno-combine-stack-adjustments \ > -fno-tree-dce \ > -fno-tree-dominator-opts \ > - -fno-dse " > + -fno-dse \ > + -fno-dce \ > + -fno-auto-inc-dec \ > + -fno-inline-small-functions \ > + -fno-if-conversion \ > + -fno-if-conversion2 \ > + -fno-tree-fre > +" > + > +function printStandardHelp() { > + echo -e "\t This changes how GCC optimizes code. Code">> $KCFG > + echo -e "\t may be slower and larger but will be more debug">> $KCFG > + echo -e "\t \"friendly\".">> $KCFG > + echo>> $KCFG > + echo -e "\t In some cases there is a low chance that the kernel">> $KCFG > + echo -e "\t will run differently than normal, reporting or not">> $KCFG > + echo -e "\t reporting some bugs or errors.">> $KCFG > + echo -e "\t Refer to GCC manual for more details.">> $KCFG > + echo>> $KCFG > + echo -e "\t You SHOULD say N here.">> $KCFG > +} > > echo "# This file was auto generated. It's utility configuration"> $KCFG > echo "# Distributed under GPL v2 License">> $KCFG > echo>> $KCFG > -echo "menuconfig ${CFG_PREFIX}">> $KCFG > -echo -e "\tbool \"Allows to override GCC optimization\"">> $KCFG > -echo -e "\tdepends on DEBUG_KERNEL&& EXPERIMENTAL">> $KCFG > -echo -e "\thelp">> $KCFG > -echo -e "\t If you say Y here you will be able to override">> $KCFG > -echo -e "\t how GCC optimize kernel code. This will create">> $KCFG > -echo -e "\t more debug friendly, but with not guarentee">> $KCFG > -echo -e "\t about same runi, like production, kernel.">> $KCFG > -echo>> $KCFG > -echo -e "\t If you say Y here probably You will want say">> $KCFG > -echo -e "\t for all suboptions">> $KCFG > +echo "menuconfig ${CFG_PREFIX}">> $KCFG > +echo -e "\tbool \"Allows overriding GCC optimizations\"">> $KCFG > +echo -e "\tdepends on DEBUG_KERNEL&& EXPERIMENTAL">> $KCFG > +echo -e "\thelp">> $KCFG > +echo -e "\t If you say Y here you will be able to override">> $KCFG > +echo -e "\t how GCC optimizes kernel code. This creates">> $KCFG > +echo -e "\t more debug-friendly code, but does not guarantee">> $KCFG > +echo -e "\t the same running code like a production kernel.">> $KCFG > +echo>> $KCFG > +echo -e "\t If you say Y here probably you will want to say">> $KCFG > +echo -e "\t Y for all suboptions">> $KCFG > echo>> $KCFG > echo "if ${CFG_PREFIX}">> $KCFG > echo>> $KCFG > @@ -47,16 +67,7 @@ echo>> $MKFI > echo -e "config ${CFG_PREFIX}_FORCE_O1_LEVEL">> $KCFG > echo -e "\tbool \"Forces -O1 optimization level\"">> $KCFG > echo -e "\t---help---">> $KCFG > -echo -e "\t This will change how GCC optimize code. Code">> $KCFG > -echo -e "\t may be slower and larger but will be more debug">> $KCFG > -echo -e "\t \"friendly\".">> $KCFG > -echo>> $KCFG > -echo -e "\t In some cases there is low chance that kernel">> $KCFG > -echo -e "\t will run different then normal, reporting or not">> $KCFG > -echo -e "\t some bugs or errors. Refere to GCC manual for">> $KCFG > -echo -e "\t more details.">> $KCFG > -echo>> $KCFG > -echo -e "\t You SHOULD say N here.">> $KCFG > +printStandardHelp; > echo>> $KCFG > > for o in $OPTIMIZATIONS_PARAMS ; do > @@ -67,16 +78,7 @@ for o in $OPTIMIZATIONS_PARAMS ; do > echo -e "config ${cfg_o}">> $KCFG > echo -e "\tbool \"Adds $o parameter to gcc invoke line.\"">> $KCFG > echo -e "\t---help---">> $KCFG > - echo -e "\t This will change how GCC optimize code. Code">> $KCFG > - echo -e "\t may be slower and larger but will be more debug">> $KCFG > - echo -e "\t \"friendly\".">> $KCFG > - echo>> $KCFG > - echo -e "\t In some cases there is low chance that kernel">> $KCFG > - echo -e "\t will run different then normal, reporting or not">> $KCFG > - echo -e "\t some bugs or errors. Refere to GCC manual for">> $KCFG > - echo -e "\t more details.">> $KCFG > - echo>> $KCFG > - echo -e "\t You SHOULD say N here.">> $KCFG > + printStandardHelp; > echo>> $KCFG > > #Generate Make for include -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/lib/Kconfig.debug.optim b/lib/Kconfig.debug.optim index 09b1012..99dcde0 100644 --- a/lib/Kconfig.debug.optim +++ b/lib/Kconfig.debug.optim @@ -2,100 +2,184 @@ # Distributed under GPL v2 License menuconfig HACK_OPTIM - bool "Allows to override GCC optimization" + bool "Allows overriding GCC optimizations" depends on DEBUG_KERNEL && EXPERIMENTAL help If you say Y here you will be able to override - how GCC optimize kernel code. This will create - more debug friendly, but with not guarentee - about same runi, like production, kernel. + how GCC optimizes kernel code. This creates + more debug-friendly code, but does not guarantee + the same running code like a production kernel. - If you say Y here probably You will want say - for all suboptions + If you say Y here probably you will want to say + Y for all suboptions if HACK_OPTIM config HACK_OPTIM_FORCE_O1_LEVEL bool "Forces -O1 optimization level" ---help--- - This will change how GCC optimize code. Code + This changes how GCC optimizes code. Code may be slower and larger but will be more debug "friendly". - In some cases there is low chance that kernel - will run different then normal, reporting or not - some bugs or errors. Refere to GCC manual for - more details. + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. You SHOULD say N here. config HACK_OPTIM__fno_inline_functions_called_once bool "Adds -fno-inline-functions-called-once parameter to gcc invoke line." ---help--- - This will change how GCC optimize code. Code + This changes how GCC optimizes code. Code may be slower and larger but will be more debug "friendly". - In some cases there is low chance that kernel - will run different then normal, reporting or not - some bugs or errors. Refere to GCC manual for - more details. + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. You SHOULD say N here. config HACK_OPTIM__fno_combine_stack_adjustments bool "Adds -fno-combine-stack-adjustments parameter to gcc invoke line." ---help--- - This will change how GCC optimize code. Code + This changes how GCC optimizes code. Code may be slower and larger but will be more debug "friendly". - In some cases there is low chance that kernel - will run different then normal, reporting or not - some bugs or errors. Refere to GCC manual for - more details. + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. You SHOULD say N here. config HACK_OPTIM__fno_tree_dce bool "Adds -fno-tree-dce parameter to gcc invoke line." ---help--- - This will change how GCC optimize code. Code + This changes how GCC optimizes code. Code may be slower and larger but will be more debug "friendly". - In some cases there is low chance that kernel - will run different then normal, reporting or not - some bugs or errors. Refere to GCC manual for - more details. + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. You SHOULD say N here. config HACK_OPTIM__fno_tree_dominator_opts bool "Adds -fno-tree-dominator-opts parameter to gcc invoke line." ---help--- - This will change how GCC optimize code. Code + This changes how GCC optimizes code. Code may be slower and larger but will be more debug "friendly". - In some cases there is low chance that kernel - will run different then normal, reporting or not - some bugs or errors. Refere to GCC manual for - more details. + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. You SHOULD say N here. config HACK_OPTIM__fno_dse bool "Adds -fno-dse parameter to gcc invoke line." ---help--- - This will change how GCC optimize code. Code + This changes how GCC optimizes code. Code may be slower and larger but will be more debug "friendly". - In some cases there is low chance that kernel - will run different then normal, reporting or not - some bugs or errors. Refere to GCC manual for - more details. + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. + + You SHOULD say N here. + +config HACK_OPTIM__fno_dce + bool "Adds -fno-dce parameter to gcc invoke line." + ---help--- + This changes how GCC optimizes code. Code + may be slower and larger but will be more debug + "friendly". + + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. + + You SHOULD say N here. + +config HACK_OPTIM__fno_auto_inc_dec + bool "Adds -fno-auto-inc-dec parameter to gcc invoke line." + ---help--- + This changes how GCC optimizes code. Code + may be slower and larger but will be more debug + "friendly". + + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. + + You SHOULD say N here. + +config HACK_OPTIM__fno_inline_small_functions + bool "Adds -fno-inline-small-functions parameter to gcc invoke line." + ---help--- + This changes how GCC optimizes code. Code + may be slower and larger but will be more debug + "friendly". + + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. + + You SHOULD say N here. + +config HACK_OPTIM__fno_if_conversion + bool "Adds -fno-if-conversion parameter to gcc invoke line." + ---help--- + This changes how GCC optimizes code. Code + may be slower and larger but will be more debug + "friendly". + + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. + + You SHOULD say N here. + +config HACK_OPTIM__fno_if_conversion2 + bool "Adds -fno-if-conversion2 parameter to gcc invoke line." + ---help--- + This changes how GCC optimizes code. Code + may be slower and larger but will be more debug + "friendly". + + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. + + You SHOULD say N here. + +config HACK_OPTIM__fno_tree_fre + bool "Adds -fno-tree-fre parameter to gcc invoke line." + ---help--- + This changes how GCC optimizes code. Code + may be slower and larger but will be more debug + "friendly". + + In some cases there is a low chance that the kernel + will run differently than normal, reporting or not + reporting some bugs or errors. + Refer to GCC manual for more details. You SHOULD say N here. diff --git a/scripts/Makefile.optim.inc b/scripts/Makefile.optim.inc index e78cc92..1bd219d 100644 --- a/scripts/Makefile.optim.inc +++ b/scripts/Makefile.optim.inc @@ -21,3 +21,27 @@ ifdef CONFIG_HACK_OPTIM__fno_dse KBUILD_CFLAGS += -fno-dse endif +ifdef CONFIG_HACK_OPTIM__fno_dce + KBUILD_CFLAGS += -fno-dce +endif + +ifdef CONFIG_HACK_OPTIM__fno_auto_inc_dec + KBUILD_CFLAGS += -fno-auto-inc-dec +endif + +ifdef CONFIG_HACK_OPTIM__fno_inline_small_functions + KBUILD_CFLAGS += -fno-inline-small-functions +endif + +ifdef CONFIG_HACK_OPTIM__fno_if_conversion + KBUILD_CFLAGS += -fno-if-conversion +endif + +ifdef CONFIG_HACK_OPTIM__fno_if_conversion2 + KBUILD_CFLAGS += -fno-if-conversion2 +endif + +ifdef CONFIG_HACK_OPTIM__fno_tree_fre + KBUILD_CFLAGS += -fno-tree-fre +endif + diff --git a/scripts/debug/make_config_optim.sh b/scripts/debug/make_config_optim.sh index 26865923..4db8419 100644 --- a/scripts/debug/make_config_optim.sh +++ b/scripts/debug/make_config_optim.sh @@ -16,22 +16,42 @@ OPTIMIZATIONS_PARAMS="-fno-inline-functions-called-once \ -fno-combine-stack-adjustments \ -fno-tree-dce \ -fno-tree-dominator-opts \ - -fno-dse " + -fno-dse \ + -fno-dce \ + -fno-auto-inc-dec \ + -fno-inline-small-functions \ + -fno-if-conversion \ + -fno-if-conversion2 \ + -fno-tree-fre +" + +function printStandardHelp() { + echo -e "\t This changes how GCC optimizes code. Code" >> $KCFG + echo -e "\t may be slower and larger but will be more debug" >> $KCFG + echo -e "\t \"friendly\"." >> $KCFG + echo >> $KCFG + echo -e "\t In some cases there is a low chance that the kernel" >> $KCFG + echo -e "\t will run differently than normal, reporting or not" >> $KCFG + echo -e "\t reporting some bugs or errors." >> $KCFG + echo -e "\t Refer to GCC manual for more details." >> $KCFG + echo >> $KCFG + echo -e "\t You SHOULD say N here." >> $KCFG +} echo "# This file was auto generated. It's utility configuration" > $KCFG echo "# Distributed under GPL v2 License" >> $KCFG echo >> $KCFG -echo "menuconfig ${CFG_PREFIX}" >> $KCFG -echo -e "\tbool \"Allows to override GCC optimization\"" >> $KCFG -echo -e "\tdepends on DEBUG_KERNEL && EXPERIMENTAL" >> $KCFG -echo -e "\thelp" >> $KCFG -echo -e "\t If you say Y here you will be able to override" >> $KCFG -echo -e "\t how GCC optimize kernel code. This will create" >> $KCFG -echo -e "\t more debug friendly, but with not guarentee" >> $KCFG -echo -e "\t about same runi, like production, kernel." >> $KCFG -echo >> $KCFG -echo -e "\t If you say Y here probably You will want say" >> $KCFG -echo -e "\t for all suboptions" >> $KCFG +echo "menuconfig ${CFG_PREFIX}" >> $KCFG +echo -e "\tbool \"Allows overriding GCC optimizations\"" >> $KCFG +echo -e "\tdepends on DEBUG_KERNEL && EXPERIMENTAL" >> $KCFG +echo -e "\thelp" >> $KCFG +echo -e "\t If you say Y here you will be able to override" >> $KCFG +echo -e "\t how GCC optimizes kernel code. This creates" >> $KCFG +echo -e "\t more debug-friendly code, but does not guarantee" >> $KCFG +echo -e "\t the same running code like a production kernel." >> $KCFG +echo >> $KCFG +echo -e "\t If you say Y here probably you will want to say" >> $KCFG +echo -e "\t Y for all suboptions" >> $KCFG echo >> $KCFG echo "if ${CFG_PREFIX}" >> $KCFG echo >> $KCFG @@ -47,16 +67,7 @@ echo >> $MKFI echo -e "config ${CFG_PREFIX}_FORCE_O1_LEVEL" >> $KCFG echo -e "\tbool \"Forces -O1 optimization level\"" >> $KCFG echo -e "\t---help---" >> $KCFG -echo -e "\t This will change how GCC optimize code. Code" >> $KCFG -echo -e "\t may be slower and larger but will be more debug" >> $KCFG -echo -e "\t \"friendly\"." >> $KCFG -echo >> $KCFG -echo -e "\t In some cases there is low chance that kernel" >> $KCFG -echo -e "\t will run different then normal, reporting or not" >> $KCFG -echo -e "\t some bugs or errors. Refere to GCC manual for" >> $KCFG -echo -e "\t more details." >> $KCFG -echo >> $KCFG -echo -e "\t You SHOULD say N here." >> $KCFG +printStandardHelp; echo >> $KCFG for o in $OPTIMIZATIONS_PARAMS ; do @@ -67,16 +78,7 @@ for o in $OPTIMIZATIONS_PARAMS ; do echo -e "config ${cfg_o}" >> $KCFG echo -e "\tbool \"Adds $o parameter to gcc invoke line.\"" >> $KCFG echo -e "\t---help---" >> $KCFG - echo -e "\t This will change how GCC optimize code. Code" >> $KCFG - echo -e "\t may be slower and larger but will be more debug" >> $KCFG - echo -e "\t \"friendly\"." >> $KCFG - echo >> $KCFG - echo -e "\t In some cases there is low chance that kernel" >> $KCFG - echo -e "\t will run different then normal, reporting or not" >> $KCFG - echo -e "\t some bugs or errors. Refere to GCC manual for" >> $KCFG - echo -e "\t more details." >> $KCFG - echo >> $KCFG - echo -e "\t You SHOULD say N here." >> $KCFG + printStandardHelp; echo >> $KCFG #Generate Make for include
Patch helps to debug kernel. Fixed some language mistakes and added few -f-no-... options. Signed-off-by: Rados?aw Smogura <mail@smogura.eu> --- lib/Kconfig.debug.optim | 156 +++++++++++++++++++++++++++-------- scripts/Makefile.optim.inc | 24 ++++++ scripts/debug/make_config_optim.sh | 66 ++++++++-------- 3 files changed, 178 insertions(+), 68 deletions(-)