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#ifdef CONFIG_X86_32
struct sigframe {
char __user *pretcode;
int sig;
struct sigcontext sc;
/*
* fpstate is unused. fpstate is moved/allocated after
* retcode[] below. This movement allows to have the FP state and the
* future state extensions (xsave) stay together.
* And at the same time retaining the unused fpstate, prevents changing
* the offset of extramask[] in the sigframe and thus prevent any
* legacy application accessing/modifying it.
*/
struct _fpstate fpstate_unused;
unsigned long extramask[_NSIG_WORDS-1];
char retcode[8];
/* fp state follows here */
};
struct rt_sigframe {
char __user *pretcode;
int sig;
struct siginfo __user *pinfo;
void __user *puc;
struct siginfo info;
struct ucontext uc;
char retcode[8];
/* fp state follows here */
};
#else
struct rt_sigframe {
char __user *pretcode;
struct ucontext uc;
struct siginfo info;
/* fp state follows here */
};
int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs);
int ia32_setup_frame(int sig, struct k_sigaction *ka,
sigset_t *set, struct pt_regs *regs);
#endif
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