diff options
Diffstat (limited to 'sysdeps/unix/bsd/sun/m68k')
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/Dist | 1 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/brk.S | 49 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/sethostid.S | 44 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/sigcontext.h | 26 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/sigtramp.c | 142 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/syscall.S | 28 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/sysdep.h | 62 |
8 files changed, 355 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/sun/m68k/Dist b/sysdeps/unix/bsd/sun/m68k/Dist new file mode 100644 index 0000000000..cd893ff463 --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/Dist @@ -0,0 +1 @@ +sigtramp.c diff --git a/sysdeps/unix/bsd/sun/m68k/Makefile b/sysdeps/unix/bsd/sun/m68k/Makefile new file mode 100644 index 0000000000..ac4121dc2c --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/Makefile @@ -0,0 +1,3 @@ +ifeq ($(subdir),signal) +sysdep_routines := $(sysdep_routines) sigtramp +endif diff --git a/sysdeps/unix/bsd/sun/m68k/brk.S b/sysdeps/unix/bsd/sun/m68k/brk.S new file mode 100644 index 0000000000..114fa73c85 --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/brk.S @@ -0,0 +1,49 @@ +/* Copyright (C) 1991, 1992, 1994, 1995 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <sysdep.h> + +#ifndef SYS_brk +#define SYS_brk 17 +#endif + +#ifndef HAVE_GNU_LD +#define __end _end +#endif + +.data +.globl ___curbrk +___curbrk: + .long __end + +.text +ENTRY (__brk) + movel __end, d0 + cmpl sp@(4), d0 + ble 0f + movel d0, sp@(4) +0: pea SYS_brk + trap #0 + bcs 1f + movel sp@(4), ___curbrk + clrl d0 + rts +1: + jmp syscall_error + +weak_alias (__brk, brk) diff --git a/sysdeps/unix/bsd/sun/m68k/sethostid.S b/sysdeps/unix/bsd/sun/m68k/sethostid.S new file mode 100644 index 0000000000..8b30f3fe65 --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/sethostid.S @@ -0,0 +1,44 @@ +/* Copyright (C) 1991, 1992 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <sysdep.h> + +#ifdef SYS_sethostid + +SYSCALL (sethostid, 1) + ret + +#else + +#include <errnos.h> + +.globl _sethostid +.even +_sethostid: + movel #ENOSYS, _errno + moveq #-1, d0 + rts + +#ifdef HAVE_GNU_LD + +.stabs "warning: sethostid is not implemented and will always fail",30,0,0,0 +.stabs "_sethostid",1,0,0,0 + +#endif + +#endif diff --git a/sysdeps/unix/bsd/sun/m68k/sigcontext.h b/sysdeps/unix/bsd/sun/m68k/sigcontext.h new file mode 100644 index 0000000000..471b516bdc --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/sigcontext.h @@ -0,0 +1,26 @@ +/* Structure describing state saved while handling a signal. Sun 3 version. +Copyright (C) 1993, 1994 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +struct sigcontext + { + int sc_onstack; + __sigset_t sc_mask; + + int sc_sp, sc_pc, sc_ps; + }; diff --git a/sysdeps/unix/bsd/sun/m68k/sigtramp.c b/sysdeps/unix/bsd/sun/m68k/sigtramp.c new file mode 100644 index 0000000000..32a2c2047e --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/sigtramp.c @@ -0,0 +1,142 @@ +/* Copyright (C) 1993 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> + +#ifndef __GNUC__ + #error This file uses GNU C extensions; you must compile with GCC. +#endif + +/* Get the definition of `struct sigcontext'. */ +#define KERNEL +#define sigvec sun_sigvec +#define sigstack sun_sigstack +#define sigcontext sun_sigcontext +#include "/usr/include/sys/signal.h" +#undef sigvec +#undef sigstack +#undef sigcontext +#undef NSIG +#undef SIGABRT +#undef SIGCLD +#undef SV_ONSTACK +#undef SV_RESETHAND +#undef SV_INTERRUPT +#undef SA_ONSTACK +#undef SA_NOCLDSTOP +#undef SIG_ERR +#undef SIG_DFL +#undef SIG_IGN +#undef sigmask +#undef SIG_BLOCK +#undef SIG_UNBLOCK +#undef SIG_SETMASK + +#include <signal.h> +#include <stddef.h> +#include <errno.h> + +/* Defined in __sigvec.S. */ +extern int EXFUN(__raw_sigvec, (int sig, CONST struct sigvec *vec, + struct sigvec *ovec)); + +/* User-specified signal handlers. */ +#define mytramp 1 +#ifdef mytramp +static __sighandler_t handlers[NSIG]; +#else +#define handlers _sigfunc +extern __sighandler_t _sigfunc[]; +#endif + +#if mytramp + +/* Handler for all signals that are handled by a user-specified function. + Saves and restores the general regs %g2-%g7, the %y register, and + all the FPU regs (including %fsr), around calling the user's handler. */ +static void +DEFUN(trampoline, (sig, code, context, addr), + int sig AND int code AND struct sigcontext *context AND PTR addr) +{ + int save[4]; + + /* Save the call-clobbered registers. */ + asm volatile ("movem%.l d0-d1/a0-a1, %0" : : "m" (save[0])); + + /* XXX should save/restore FP regs */ + + /* Call the user's handler. */ + (*((void EXFUN((*), (int sig, int code, struct sigcontext *context, + PTR addr))) handlers[sig])) + (sig, code, context, addr); + + /* Restore the call-clobbered registers. */ + asm volatile ("movem%.l %0, d0-d1/a0-a1" : : "g" (save[0]) : + "d0", "d1", "a0", "a1"); + + __sigreturn (context); +} + +#endif + +int +DEFUN(__sigvec, (sig, vec, ovec), + int sig AND CONST struct sigvec *vec AND struct sigvec *ovec) +{ +#ifndef mytramp + extern void _sigtramp (int); +#define trampoline _sigtramp +#endif + struct sigvec myvec; + int mask; + __sighandler_t ohandler; + + if (sig <= 0 || sig >= NSIG) + { + errno = EINVAL; + return -1; + } + + mask = __sigblock(sigmask(sig)); + + ohandler = handlers[sig]; + + if (vec != NULL && + vec->sv_handler != SIG_IGN && vec->sv_handler != SIG_DFL) + { + handlers[sig] = vec->sv_handler; + myvec = *vec; + myvec.sv_handler = trampoline; + vec = &myvec; + } + + if (__raw_sigvec(sig, vec, ovec) < 0) + { + int save = errno; + (void) __sigsetmask(mask); + errno = save; + return -1; + } + + if (ovec != NULL && ovec->sv_handler == trampoline) + ovec->sv_handler = ohandler; + + (void) __sigsetmask(mask); + + return 0; +} diff --git a/sysdeps/unix/bsd/sun/m68k/syscall.S b/sysdeps/unix/bsd/sun/m68k/syscall.S new file mode 100644 index 0000000000..0a98da7c67 --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/syscall.S @@ -0,0 +1,28 @@ +/* Copyright (C) 1993 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <sysdep.h> + +ENTRY (syscall) + movel sp@, d0 /* Save return address in D0. */ + movel sp@(4), sp@ /* Put syscall number at top of stack. */ + movel d0, sp@(4) /* Put return address under it. */ + trap #0 /* Do syscall; pops number from stack. */ + jcs error + ret +error: jmp syscall_error diff --git a/sysdeps/unix/bsd/sun/m68k/sysdep.h b/sysdeps/unix/bsd/sun/m68k/sysdep.h new file mode 100644 index 0000000000..80f6aba7b0 --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/sysdep.h @@ -0,0 +1,62 @@ +/* Copyright (C) 1991, 1992, 1994, 1995 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <sysdeps/unix/sysdep.h> + +#ifdef ASSEMBLER + +#define POUND # + +#ifdef __STDC__ +#define ENTRY(name) \ + .globl _##name; \ + .even; \ + _##name##: +#else +#define ENTRY(name) \ + .globl _/**/name; \ + .even; \ + _/**/name/**/: +#endif + +#ifdef __STDC__ +#define PSEUDO(name, syscall_name, args) \ + .even; \ + .globl syscall_error; \ + error: jmp syscall_error; \ + ENTRY (name) \ + pea SYS_##syscall_name; \ + trap POUND 0; \ + bcs error +#else +#define PSEUDO(name, syscall_name, args) \ + .even; \ + .globl syscall_error; \ + error: jmp syscall_error; \ + ENTRY (name) \ + pea SYS_/**/syscall_name; \ + trap POUND 0; \ + bcs error +#endif + +#define ret rts +#define r0 d0 +#define r1 d1 +#define MOVE(x,y) movel x , y + +#endif /* ASSEMBLER */ |