Defined in 2 files as a prototype:
- arch/s390/include/asm/unwind.h, line 58 (as a prototype)
- arch/x86/include/asm/unwind.h, line 42 (as a prototype)
Defined in 5 files as a function:
- arch/loongarch/include/asm/unwind.h, line 57 (as a function)
- arch/s390/kernel/unwind_bc.c, line 127 (as a function)
- arch/x86/kernel/unwind_frame.c, line 373 (as a function)
- arch/x86/kernel/unwind_guess.c, line 51 (as a function)
- arch/x86/kernel/unwind_orc.c, line 712 (as a function)
Referenced in 9 files:
- arch/loongarch/kernel/unwind_guess.c, line 17
- arch/loongarch/kernel/unwind_orc.c, line 344
- arch/loongarch/kernel/unwind_prologue.c, line 240
- arch/s390/include/asm/unwind.h, line 80
- arch/s390/kernel/unwind_bc.c, line 184
- arch/x86/include/asm/unwind.h, line 64
- arch/x86/kernel/unwind_frame.c, line 419
- arch/x86/kernel/unwind_guess.c, line 72
- arch/x86/kernel/unwind_orc.c, line 796
Smatch caller information:
arch/x86/kernel/dumpstack.c unwind_start() -> __unwind_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | state | 1166496065046179840 |
| PARAM_VALUE | 1 | task->signal->oom_mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | task->signal->oom_mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | regs | 0,4096-ptr_max |
| BUF_SIZE | 2 | regs | (-1),168 |
| BUF_SIZE | 2 | regs | (-1),168 |
| CAPPED_DATA | 1 | task | 1 |
| DATA_SOURCE | 0 | state | $0 |
| DATA_SOURCE | 1 | task | $1 |
| DATA_SOURCE | 2 | regs | $2 |
| STR_LEN | 0 | state | (-1)-2,8,24 |
| STR_LEN | 0 | state | (-1)-2,8,24 |
| STR_LEN | 1 | task | (-1)-0,2 |
| STR_LEN | 1 | task | (-1)-0,2 |
| STR_LEN | 2 | regs | (-1)-0,2 |
| STR_LEN | 2 | regs | (-1)-0,2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | task | unit_byte |
| UNITS | 3 | first_frame | unit_byte |
arch/x86/net/bpf_jit_comp.c unwind_start() -> __unwind_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | state | 6627325413077086208 |
| PARAM_VALUE | 2 | regs | 0 |
| DATA_SOURCE | 0 | state | $0 |
| DATA_SOURCE | 1 | task | $1 |
| DATA_SOURCE | 2 | regs | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 3 | first_frame | unit_byte |
arch/x86/kernel/process.c unwind_start() -> __unwind_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | state | 203157205208690688 |
| PARAM_VALUE | 1 | task | 4096-ptr_max |
| PARAM_VALUE | 1 | task->__state | 1-511,513-u32max |
| PARAM_VALUE | 1 | task->alloc_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | task->on_rq | 0 |
| PARAM_VALUE | 1 | task->pi_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | task->pi_lock.owner_cpu | 0 |
| PARAM_VALUE | 1 | task->pi_lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 1 | task->signal | 4096-ptr_max |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.wait_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.wait_lock.owner | (-1) |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.wait_lock.owner_cpu | u32max |
| PARAM_VALUE | 1 | task->stack_refcount.refs.counter | (-1073741824),0-s32max |
| PARAM_VALUE | 2 | regs | 0 |
| CAPPED_DATA | 1 | task | 1 |
| DATA_SOURCE | 0 | state | $0 |
| DATA_SOURCE | 1 | task | $1 |
| DATA_SOURCE | 2 | regs | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 3 | first_frame | unit_byte |
| LOCK2 | &m->lock | ||
| LOCK2 | irq | ||
| LOCK2 | 1 | &task->pi_lock | |
| LOCK2 | 1 | &task->signal->exec_update_lock | |
| TYPE_LOCK | (struct seq_file)->lock | ||
| TYPE_LOCK | (struct signal_struct)->exec_update_lock | ||
| TYPE_LOCK | (struct task_struct)->pi_lock |
arch/x86/events/core.c unwind_start() -> __unwind_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | state | 9036986890927263744 |
| PARAM_VALUE | 2 | regs | 0,4096-ptr_max |
| BUF_SIZE | 2 | regs | (-1),168 |
| BUF_SIZE | 2 | regs | (-1),168 |
| DATA_SOURCE | 0 | state | $0 |
| DATA_SOURCE | 1 | task | $1 |
| DATA_SOURCE | 2 | regs | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 2 | regs->ax | 0-u64max |
| USER_DATA | 2 | regs->cx | 0-u64max |
| USER_DATA | 2 | regs->r11 | 0-u64max |
| UNITS | 3 | first_frame | unit_byte |
arch/x86/kernel/stacktrace.c unwind_start() -> __unwind_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | state | 4478616676633214976,5620292609999732736 |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | task->signal->exec_update_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | regs | 0,4096-ptr_max |
| BUF_SIZE | 2 | regs | (-1),168 |
| BUF_SIZE | 2 | regs | (-1),168 |
| DATA_SOURCE | 0 | state | $0 |
| DATA_SOURCE | 1 | task | $1 |
| DATA_SOURCE | 2 | regs | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 3 | first_frame | unit_byte |
| HALF_LOCKED2 | 1 | &task->signal->exec_update_lock |