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/* $Id: sigcontext.h,v 1.12 1997/03/03 16:51:52 jj Exp $ */
#ifndef __SPARC_SIGCONTEXT_H
#define __SPARC_SIGCONTEXT_H
#include <asm/ptrace.h>
#define SUNOS_MAXWIN 31
#ifndef __ASSEMBLY__
/* SunOS system call sigstack() uses this arg. */
struct sunos_sigstack {
unsigned long sig_sp;
int onstack_flag;
};
/* This is what SunOS does, so shall I. */
struct sigcontext {
int sigc_onstack; /* state to restore */
int sigc_mask; /* sigmask to restore */
int sigc_sp; /* stack pointer */
int sigc_pc; /* program counter */
int sigc_npc; /* next program counter */
int sigc_psr; /* for condition codes etc */
int sigc_g1; /* User uses these two registers */
int sigc_o0; /* within the trampoline code. */
/* Now comes information regarding the users window set
* at the time of the signal.
*/
int sigc_oswins; /* outstanding windows */
/* stack ptrs for each regwin buf */
char *sigc_spbuf[SUNOS_MAXWIN];
/* Windows to restore after signal */
struct reg_window sigc_wbuf[SUNOS_MAXWIN];
};
typedef struct {
struct pt_regs si_regs;
int si_mask;
} __siginfo_t;
typedef struct {
unsigned long si_float_regs [32];
unsigned long si_fsr;
unsigned long si_fpqdepth;
struct {
unsigned long *insn_addr;
unsigned long insn;
} si_fpqueue [16];
} __siginfo_fpu_t;
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_SIGCONTEXT_H) */
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