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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-51/arch/blackfin/include/asm/ |
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/*
* Blackfin ftrace code
*
* Copyright 2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_BFIN_FTRACE_H__
#define __ASM_BFIN_FTRACE_H__
#define MCOUNT_INSN_SIZE 6 /* sizeof "[++sp] = rets; call __mcount;" */
#ifndef __ASSEMBLY__
#ifdef CONFIG_DYNAMIC_FTRACE
extern void _mcount(void);
#define MCOUNT_ADDR ((unsigned long)_mcount)
static inline unsigned long ftrace_call_adjust(unsigned long addr)
{
return addr;
}
struct dyn_arch_ftrace {
/* No extra data needed for Blackfin */
};
#endif
#ifdef CONFIG_FRAME_POINTER
#include <linux/mm.h>
extern inline void *return_address(unsigned int level)
{
unsigned long *endstack, *fp, *ret_addr;
unsigned int current_level = 0;
if (level == 0)
return __builtin_return_address(0);
fp = (unsigned long *)__builtin_frame_address(0);
endstack = (unsigned long *)PAGE_ALIGN((unsigned long)&level);
while (((unsigned long)fp & 0x3) == 0 && fp &&
(fp + 1) < endstack && current_level < level) {
fp = (unsigned long *)*fp;
current_level++;
}
if (((unsigned long)fp & 0x3) == 0 && fp &&
(fp + 1) < endstack)
ret_addr = (unsigned long *)*(fp + 1);
else
ret_addr = NULL;
return ret_addr;
}
#else
extern inline void *return_address(unsigned int level)
{
return NULL;
}
#endif /* CONFIG_FRAME_POINTER */
#define ftrace_return_address(n) return_address(n)
#endif /* __ASSEMBLY__ */
#endif