函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\signal.c Create Date:2022-07-27 08:30:07
Last Modify:2022-05-22 06:23:02 Copyright©Brick
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函数名称：signal_fault

函数原型：void signal_fault(struct pt_regs *regs, void __user *frame, char *where)

返回类型：void

参数：

类型参数名称
struct pt_regs *regs
void __user *frame
char *where
848  me等于当前进程
850  如果show_unhandled_signals且printk_ratelimit()则
851  printk("%s%s[%d] bad frame in %s frame:%p ip:%lx sp:%lx orax:%lx", task_pid_nr(当前进程) > 1 ? formational : system is unusable , 是否使用FPU, 进程ID, where, frame, ip, sp, orig_ax)
856  print_vma_addr(Annotation for a "continued" line of log printout (only done after a* line that had no enclosing \n). Only to be used by core/arch code* during early bootup (a continued line is not SMP-safe otherwise)." in ", ip)
857  打印标准信息("\n")
860  force_sig(SIGSEGV)
调用者
名称描述
sys_sigreturn
sys_rt_sigreturn