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| author | Pasha <pasha@member.fsf.org> | 2024-02-20 18:55:36 +0000 |
|---|---|---|
| committer | Pasha <pasha@member.fsf.org> | 2024-02-20 18:55:36 +0000 |
| commit | 6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5 (patch) | |
| tree | 9f5ccbaa6ec19ff5a42d9b3cde01f739e1d7c77d /riscv/include/asm/stacktrace.h | |
| parent | 5e0b8d508ed51004bd836384293be00950ee62c9 (diff) | |
| download | gnumach-riscv-6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5.tar.gz gnumach-riscv-6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5.tar.bz2 | |
Diffstat (limited to 'riscv/include/asm/stacktrace.h')
| -rw-r--r-- | riscv/include/asm/stacktrace.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/riscv/include/asm/stacktrace.h b/riscv/include/asm/stacktrace.h new file mode 100644 index 0000000..b1495a7 --- /dev/null +++ b/riscv/include/asm/stacktrace.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _ASM_RISCV_STACKTRACE_H +#define _ASM_RISCV_STACKTRACE_H + +#include <linux/sched.h> +#include <asm/ptrace.h> + +struct stackframe { + unsigned long fp; + unsigned long ra; +}; + +extern void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, + bool (*fn)(void *, unsigned long), void *arg); +extern void dump_backtrace(struct pt_regs *regs, struct task_struct *task, + const char *loglvl); + +static inline bool on_thread_stack(void) +{ + return !(((unsigned long)(current->stack) ^ current_stack_pointer) & ~(THREAD_SIZE - 1)); +} + + +#ifdef CONFIG_VMAP_STACK +DECLARE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack); +#endif /* CONFIG_VMAP_STACK */ + +#endif /* _ASM_RISCV_STACKTRACE_H */ |