Messages in this thread Patch in this message | | | From | Pratyush Anand <> | Subject | [RFC PATCH V2 04/10] arm64: Add helper for link pointer | Date | Thu, 18 Jun 2015 09:28:51 +0530 |
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At many a place we program procedure link pointer ie regs[30]. So adding helper to do that.
Signed-off-by: Pratyush Anand <panand@redhat.com> --- arch/arm64/include/asm/ptrace.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index 3ea7f5a04bfc..fa2c122e5bd6 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -227,6 +227,13 @@ static inline int valid_user_regs(struct user_pt_regs *regs) #include <asm-generic/ptrace.h> #define stack_pointer(regs) ((regs)->sp) +#define procedure_link_pointer(regs) ((regs)->regs[30]) + +static inline void procedure_link_pointer_set(struct pt_regs *regs, + unsigned long val) +{ + procedure_link_pointer(regs) = val; +} #ifdef CONFIG_SMP #undef profile_pc -- 2.1.0
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