| Message ID | 20190409135243.12424-5-raphael.gault@arm.com (mailing list archive) |
|---|---|
| State | RFC |
| Headers | show |
| Series | objtool: Add support for Arm64 | expand |
Hi Raphaël, On 09/04/2019 14:52, Raphael Gault wrote: > Signed-off-by: Raphael Gault <raphael.gault@arm.com> Even there is not much to say, we include a commit message to explain what the patch does and/or why we want it. > --- > arch/arm64/include/asm/assembler.h | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h > index 4feb6119c3c9..636a07a7eb76 100644 > --- a/arch/arm64/include/asm/assembler.h > +++ b/arch/arm64/include/asm/assembler.h > @@ -748,4 +748,22 @@ USER(\label, ic ivau, \tmp2) // invalidate I line PoU > .Lyield_out_\@ : > .endm > > + > +#ifdef CONFIG_STACK_VALIDATION > + /* > + * This macro is the arm64 assembler equivalent of the > + * macro STACK_FRAME_NON_STANDARD define at > + * ~/include/linux/frame.h > + */ > + .macro asm_stack_frame_non_standard func > + .pushsection ".discard.func_stack_frame_non_standard" > + .8byte \func > + .popsection > + .endm > +#else > + .macro asm_stack_frame_non_standard func > + .endm > +#endif > + > + This can be simplified as: .macro asm_stack_frame_non_standard func #ifdef CONFIG_STACK_VALIDATION [...] #endif .endm > #endif /* __ASM_ASSEMBLER_H */ > Cheers,
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 4feb6119c3c9..636a07a7eb76 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -748,4 +748,22 @@ USER(\label, ic ivau, \tmp2) // invalidate I line PoU .Lyield_out_\@ : .endm + +#ifdef CONFIG_STACK_VALIDATION + /* + * This macro is the arm64 assembler equivalent of the + * macro STACK_FRAME_NON_STANDARD define at + * ~/include/linux/frame.h + */ + .macro asm_stack_frame_non_standard func + .pushsection ".discard.func_stack_frame_non_standard" + .8byte \func + .popsection + .endm +#else + .macro asm_stack_frame_non_standard func + .endm +#endif + + #endif /* __ASM_ASSEMBLER_H */
Signed-off-by: Raphael Gault <raphael.gault@arm.com> --- arch/arm64/include/asm/assembler.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)