diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h new file mode 100644 index 0000000000..0e5a8cd218 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h @@ -0,0 +1,80 @@ +/* Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, January 1997. + + 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. */ + +#ifndef _LINUX_SPARC_SYSDEP_H +#define _LINUX_SPARC_SYSDEP_H 1 + +#include <sysdeps/unix/sparc/sysdep.h> + +#undef SYS_ify +#define SYS_ify(syscall_name) __NR_##syscall_name + +#ifdef ASSEMBLER + +#ifdef DONT_LOAD_G1 +# define LOADSYSCALL(x) +#else +# define LOADSYSCALL(x) mov __NR_##x, %g1 +#endif + +/* Linux/SPARC uses a different trap number */ +#undef PSEUDO +#undef ENTRY + +#define ENTRY(name) \ + .global C_SYMBOL_NAME(name); \ + .align 2;\ + C_LABEL(name);\ + .type name,@function; + +#ifdef PIC +#define SYSCALL_ERROR_HANDLER \ + .global C_SYMBOL_NAME(__errno_location);\ + .type C_SYMBOL_NAME(__errno_location),@function;\ + save %sp,-96,%sp;\ + call __errno_location;\ + nop;\ + st %i0,[%o0];\ + restore;\ + retl;\ + mov -1,%o0; +#else +#define SYSCALL_ERROR_HANDLER \ + save %sp,-96,%sp; \ + call __errno_location; \ + nop; \ + st %i0,[%o0]; \ + restore; \ + retl; \ + mov -1,%o0; +#endif /* PIC */ + +#define PSEUDO(name, syscall_name, args) \ + .text; \ + ENTRY(name); \ + LOADSYSCALL(syscall_name); \ + ta 0x10; \ + bcc,a 1f; \ + nop; \ + SYSCALL_ERROR_HANDLER; \ +1:; + +#endif /* ASSEMBLER */ + +#endif /* linux/sparc/sysdep.h */ |