diff options
Diffstat (limited to 'include/asm-ia64/sigcontext.h')
| -rw-r--r-- | include/asm-ia64/sigcontext.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/include/asm-ia64/sigcontext.h b/include/asm-ia64/sigcontext.h deleted file mode 100644 index 57ff777bcc4..00000000000 --- a/include/asm-ia64/sigcontext.h +++ /dev/null @@ -1,70 +0,0 @@ -#ifndef _ASM_IA64_SIGCONTEXT_H -#define _ASM_IA64_SIGCONTEXT_H - -/* - * Copyright (C) 1998, 1999, 2001 Hewlett-Packard Co - * Copyright (C) 1998, 1999, 2001 David Mosberger-Tang <davidm@hpl.hp.com> - */ - -#include <asm/fpu.h> - -#define IA64_SC_FLAG_ONSTACK_BIT 0 /* is handler running on signal stack? */ -#define IA64_SC_FLAG_IN_SYSCALL_BIT 1 /* did signal interrupt a syscall? */ -#define IA64_SC_FLAG_FPH_VALID_BIT 2 /* is state in f[32]-f[127] valid? */ - -#define IA64_SC_FLAG_ONSTACK (1 << IA64_SC_FLAG_ONSTACK_BIT) -#define IA64_SC_FLAG_IN_SYSCALL (1 << IA64_SC_FLAG_IN_SYSCALL_BIT) -#define IA64_SC_FLAG_FPH_VALID (1 << IA64_SC_FLAG_FPH_VALID_BIT) - -# ifndef __ASSEMBLY__ - -/* - * Note on handling of register backing store: sc_ar_bsp contains the address that would - * be found in ar.bsp after executing a "cover" instruction the context in which the - * signal was raised. If signal delivery required switching to an alternate signal stack - * (sc_rbs_base is not NULL), the "dirty" partition (as it would exist after executing the - * imaginary "cover" instruction) is backed by the *alternate* signal stack, not the - * original one. In this case, sc_rbs_base contains the base address of the new register - * backing store. The number of registers in the dirty partition can be calculated as: - * - * ndirty = ia64_rse_num_regs(sc_rbs_base, sc_rbs_base + (sc_loadrs >> 16)) - * - */ - -struct sigcontext { - unsigned long sc_flags; /* see manifest constants above */ - unsigned long sc_nat; /* bit i == 1 iff scratch reg gr[i] is a NaT */ - stack_t sc_stack; /* previously active stack */ - - unsigned long sc_ip; /* instruction pointer */ - unsigned long sc_cfm; /* current frame marker */ - unsigned long sc_um; /* user mask bits */ - unsigned long sc_ar_rsc; /* register stack configuration register */ - unsigned long sc_ar_bsp; /* backing store pointer */ - unsigned long sc_ar_rnat; /* RSE NaT collection register */ - unsigned long sc_ar_ccv; /* compare and exchange compare value register */ - unsigned long sc_ar_unat; /* ar.unat of interrupted context */ - unsigned long sc_ar_fpsr; /* floating-point status register */ - unsigned long sc_ar_pfs; /* previous function state */ - unsigned long sc_ar_lc; /* loop count register */ - unsigned long sc_pr; /* predicate registers */ - unsigned long sc_br[8]; /* branch registers */ - /* Note: sc_gr[0] is used as the "uc_link" member of ucontext_t */ - unsigned long sc_gr[32]; /* general registers (static partition) */ - struct ia64_fpreg sc_fr[128]; /* floating-point registers */ - - unsigned long sc_rbs_base; /* NULL or new base of sighandler's rbs */ - unsigned long sc_loadrs; /* see description above */ - - unsigned long sc_ar25; /* cmp8xchg16 uses this */ - unsigned long sc_ar26; /* rsvd for scratch use */ - unsigned long sc_rsvd[12]; /* reserved for future use */ - /* - * The mask must come last so we can increase _NSIG_WORDS - * without breaking binary compatibility. - */ - sigset_t sc_mask; /* signal mask to restore after handler returns */ -}; - -# endif /* __ASSEMBLY__ */ -#endif /* _ASM_IA64_SIGCONTEXT_H */ |