diff options
Diffstat (limited to 'sysdeps/unix/alpha')
| -rw-r--r-- | sysdeps/unix/alpha/sysdep.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h new file mode 100644 index 0000000000..9eb9032270 --- /dev/null +++ b/sysdeps/unix/alpha/sysdep.h @@ -0,0 +1,86 @@ +/* Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc. + Contributed by Brendan Kehoe (brendan@zen.org). + +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 + +#ifdef __STDC__ +#define ENTRY(name) \ + .globl name; \ + .align 3; \ + .ent name,0; \ + name##: \ + .frame sp,0,ra +#else +#define ENTRY(name) \ + .globl name; \ + .align 3; \ + .ent name,0; \ + name/**/: \ + .frame sp,0,ra +#endif + +/* Note that while it's better structurally, going back to set errno + can make things confusing if you're debugging---it looks like it's jumping + backwards into the previous fn. */ +#ifdef __STDC__ +#define PSEUDO(name, syscall_name, args) \ + .globl name; \ + .align 3; \ + .ent name,0; \ + \ +1: br gp,2f; \ +2: ldgp gp,0(gp); \ + lda pv,syscall_error; \ + jmp zero,(pv); \ + \ +name##: \ + ldi v0,SYS_ify(syscall_name); \ + .set noat; \ + call_pal PAL_callsys; \ + .set at; \ + bne a3,1b; \ +3: +#else +#define PSEUDO(name, syscall_name, args) \ + .globl name; \ + .align 3; \ + .ent name,0; \ + \ +1: br gp,2f; \ +2: ldgp gp,0(gp); \ + lda pv,syscall_error; \ + jmp zero,(pv); \ + \ +name/**/: \ + ldi v0,SYS_ify(syscall_name); \ + .set noat; \ + call_pal PAL_callsys; \ + .set at; \ + bne a3,1b; \ +3: +#endif + +#define ret ret zero,(ra),1 +#define r0 v0 +#define r1 a4 + +#define MOVE(x,y) mov x,y + +#endif |