| Message ID | beb9c3e65e6d65c23b0e2e6825388707c063cf09.1589552054.git.szabolcs.nagy@arm.com |
|---|---|
| State | New |
| Headers | show |
| Series | aarch64: branch protection support | expand |
* Szabolcs Nagy: > These property values are specified by the AArch64 ELF ABI and > binutils can create binaries marked with them. > > Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> > --- > elf/elf.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/elf/elf.h b/elf/elf.h > index 5b5ce37d9e..197b557d15 100644 > --- a/elf/elf.h > +++ b/elf/elf.h > @@ -1319,6 +1319,12 @@ typedef struct > /* Application-specific semantics, hi */ > #define GNU_PROPERTY_HIUSER 0xffffffff > > +/* AArch64 specific GNU properties. */ > +#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000 > + > +#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0) > +#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC (1U << 1) > + > /* The x86 instruction sets indicated by the corresponding bits are > used in program. Their support in the hardware is optional. */ > #define GNU_PROPERTY_X86_ISA_1_USED 0xc0000000 I checked that this matches the binutils definition. I think this can go in separately. Thanks, Florian
The 05/18/2020 17:26, Florian Weimer wrote: > * Szabolcs Nagy: > > +/* AArch64 specific GNU properties. */ > > +#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000 > > + > > +#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0) > > +#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC (1U << 1) > > I checked that this matches the binutils definition. I think this can > go in separately. now committed this and the PT_GNU_PROPERTY patch.
diff --git a/elf/elf.h b/elf/elf.h index 5b5ce37d9e..197b557d15 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -1319,6 +1319,12 @@ typedef struct /* Application-specific semantics, hi */ #define GNU_PROPERTY_HIUSER 0xffffffff +/* AArch64 specific GNU properties. */ +#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000 + +#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0) +#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC (1U << 1) + /* The x86 instruction sets indicated by the corresponding bits are used in program. Their support in the hardware is optional. */ #define GNU_PROPERTY_X86_ISA_1_USED 0xc0000000
These property values are specified by the AArch64 ELF ABI and binutils can create binaries marked with them. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> --- elf/elf.h | 6 ++++++ 1 file changed, 6 insertions(+)