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| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h | 125 |
2 files changed, 129 insertions, 0 deletions
@@ -1,3 +1,7 @@ +2000-03-16 Thorsten Kukuk <kukuk@suse.de> + + * sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h: New. + 2000-03-20 Ulrich Drepper <drepper@redhat.com> * misc/Makefile (routines): Add mincore. diff --git a/sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h b/sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h new file mode 100644 index 0000000..59f2ffb --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h @@ -0,0 +1,125 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H +# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead." +#endif + +#include <bits/wordsize.h> + +#define SUNOS_MAXWIN 31 + +/* A register window */ +struct reg_window { + unsigned long locals[8]; + unsigned long ins[8]; +}; + +#if __WORDSIZE == 64 + +/* This is what SunOS doesn't, so we have to write this alone. */ +struct sigcontext { + int sigc_onstack; /* state to restore */ + int sigc_mask; /* sigmask to restore */ + unsigned long sigc_sp; /* stack pointer */ + unsigned long sigc_pc; /* program counter */ + unsigned long sigc_npc; /* next program counter */ + unsigned long sigc_psr; /* for condition codes etc */ + unsigned long sigc_g1; /* User uses these two registers */ + unsigned long 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]; +}; + +struct pt_regs { + unsigned long u_regs[16]; /* globals and ins */ + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned int y; + unsigned int fprs; +}; + +typedef struct { + struct pt_regs si_regs; + long si_mask; +} __siginfo_t; + +typedef struct { + unsigned int si_float_regs [64]; + unsigned long si_fsr; + unsigned long si_gsr; + unsigned long si_fprs; +} __siginfo_fpu_t; + +#else + +/* 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]; +}; + +struct pt_regs { + unsigned long psr; + unsigned long pc; + unsigned long npc; + unsigned long y; + unsigned long u_regs[16]; /* globals and ins */ +}; + +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 |