diff options
Diffstat (limited to 'sysdeps/unix/bsd/sequent/i386/sysdep.h')
| -rw-r--r-- | sysdeps/unix/bsd/sequent/i386/sysdep.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/sysdeps/unix/bsd/sequent/i386/sysdep.h b/sysdeps/unix/bsd/sequent/i386/sysdep.h deleted file mode 100644 index c3d9d919b7..0000000000 --- a/sysdeps/unix/bsd/sequent/i386/sysdep.h +++ /dev/null @@ -1,82 +0,0 @@ -/* System call interface code for Sequent Symmetry running Dynix version 3. - Copyright (C) 1993, 1995, 1997 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdeps/unix/i386/sysdep.h> - -#ifdef __ASSEMBLER__ - -/* Get the symbols for system call interrupts. */ -#include <machine/trap.h> - -/* Use the BSD versions of system calls, by setting the high 16 bits - of the syscall number (see /usr/include/syscall.h). */ -#define SYS_HANDLER (SYS_bsd << 16) - -/* Dynix uses an interrupt interface to system calls. - "int $T_SVCn" are syscall interfaces for 0-6 arg functions. - (see /usr/include/machine/trap.h). */ - -#undef DO_CALL - -#ifdef __STDC__ -#define DO_CALL(syscall_name, args) \ - movl $(SYS_HANDLER | SYS_##syscall_name), %eax; \ - int $T_SVC##args; -#else -#define DO_CALL(syscall_name, args) \ - movl $(SYS_HANDLER | SYS_/**/syscall_name), %eax; \ - int $T_SVC/**/args; -#endif - -#undef PSEUDO -#define PSEUDO(name, syscall_name, args) \ - .text; \ - .globl syscall_error; \ - .align 4; \ - ENTRY (name) \ - ARGS (args) \ - DO_CALL (syscall_name, args) \ - jb syscall_error - -/* For one and two-argument calls, Dynix takes the arguments in %ecx and - %edx. For 3-6 argument calls, Dynix takes the address of the first - argument in %ecx. */ - -#ifdef __STDC__ -#define ARGS(n) ARGS_##n -#else -#define ARGS(n) ARGS_/**/n -#endif - -#define ARGS_0 -#define ARGS_1 movl 4(%esp), %ecx; -#define ARGS_2 movl 4(%esp), %ecx; movl 8(%esp), %edx; -#define ARGS_3 leal 4(%esp), %ecx; -#define ARGS_4 ARGS_3 -#define ARGS_5 ARGS_3 -#define ARGS_6 ARGS_3 - -/* Dynix reverses %ecx and %edx relative to most i386 Unices. */ - -#undef r1 -#define r1 %ecx /* Secondary return-value register. */ -#undef scratch -#define scratch %edx /* Call-clobbered register for random use. */ - -#endif /* __ASSEMBLER__ */ |