diff options
Diffstat (limited to 'arch/arm64/include/asm/stacktrace.h')
-rw-r--r-- | arch/arm64/include/asm/stacktrace.h | 78 |
1 files changed, 46 insertions, 32 deletions
diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h index fa2df1ea22eb..aad0c6258721 100644 --- a/arch/arm64/include/asm/stacktrace.h +++ b/arch/arm64/include/asm/stacktrace.h @@ -22,77 +22,91 @@ extern void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk, DECLARE_PER_CPU(unsigned long *, irq_stack_ptr); -static inline bool on_irq_stack(unsigned long sp, unsigned long size, - struct stack_info *info) +static inline struct stack_info stackinfo_get_irq(void) { unsigned long low = (unsigned long)raw_cpu_read(irq_stack_ptr); unsigned long high = low + IRQ_STACK_SIZE; - return on_stack(sp, size, low, high, STACK_TYPE_IRQ, info); + return (struct stack_info) { + .low = low, + .high = high, + .type = STACK_TYPE_IRQ, + }; } -static inline bool on_task_stack(const struct task_struct *tsk, - unsigned long sp, unsigned long size, - struct stack_info *info) +static inline bool on_irq_stack(unsigned long sp, unsigned long size) +{ + struct stack_info info = stackinfo_get_irq(); + return stackinfo_on_stack(&info, sp, size); +} + +static inline struct stack_info stackinfo_get_task(const struct task_struct *tsk) { unsigned long low = (unsigned long)task_stack_page(tsk); unsigned long high = low + THREAD_SIZE; - return on_stack(sp, size, low, high, STACK_TYPE_TASK, info); + return (struct stack_info) { + .low = low, + .high = high, + .type = STACK_TYPE_TASK, + }; +} + +static inline bool on_task_stack(const struct task_struct *tsk, + unsigned long sp, unsigned long size) +{ + struct stack_info info = stackinfo_get_task(tsk); + return stackinfo_on_stack(&info, sp, size); } #ifdef CONFIG_VMAP_STACK DECLARE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack); -static inline bool on_overflow_stack(unsigned long sp, unsigned long size, - struct stack_info *info) +static inline struct stack_info stackinfo_get_overflow(void) { unsigned long low = (unsigned long)raw_cpu_ptr(overflow_stack); unsigned long high = low + OVERFLOW_STACK_SIZE; - return on_stack(sp, size, low, high, STACK_TYPE_OVERFLOW, info); + return (struct stack_info) { + .low = low, + .high = high, + .type = STACK_TYPE_OVERFLOW, + }; } #else -static inline bool on_overflow_stack(unsigned long sp, unsigned long size, - struct stack_info *info) -{ - return false; -} +#define stackinfo_get_overflow() stackinfo_get_unknown() #endif #if defined(CONFIG_ARM_SDE_INTERFACE) && defined(CONFIG_VMAP_STACK) DECLARE_PER_CPU(unsigned long *, sdei_stack_normal_ptr); DECLARE_PER_CPU(unsigned long *, sdei_stack_critical_ptr); -static inline bool on_sdei_normal_stack(unsigned long sp, unsigned long size, - struct stack_info *info) +static inline struct stack_info stackinfo_get_sdei_normal(void) { unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_normal_ptr); unsigned long high = low + SDEI_STACK_SIZE; - return on_stack(sp, size, low, high, STACK_TYPE_SDEI_NORMAL, info); + return (struct stack_info) { + .low = low, + .high = high, + .type = STACK_TYPE_SDEI_NORMAL, + }; } -static inline bool on_sdei_critical_stack(unsigned long sp, unsigned long size, - struct stack_info *info) +static inline struct stack_info stackinfo_get_sdei_critical(void) { unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_critical_ptr); unsigned long high = low + SDEI_STACK_SIZE; - return on_stack(sp, size, low, high, STACK_TYPE_SDEI_CRITICAL, info); + return (struct stack_info) { + .low = low, + .high = high, + .type = STACK_TYPE_SDEI_CRITICAL, + }; } #else -static inline bool on_sdei_normal_stack(unsigned long sp, unsigned long size, - struct stack_info *info) -{ - return false; -} - -static inline bool on_sdei_critical_stack(unsigned long sp, unsigned long size, - struct stack_info *info) -{ - return false; -} +#define stackinfo_get_sdei_normal() stackinfo_get_unknown() +#define stackinfo_get_sdei_critical() stackinfo_get_unknown() #endif #endif /* __ASM_STACKTRACE_H */ |