newlib/libgloss/microblaze/linux-syscalls.S

46 lines
1.2 KiB
ArmAsm

/* linux-syscalls - Syscall interface to microblaze linux
*
* Copyright (c) 2011 Edgar E. Iglesias
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include "linux-syscalls.h"
#define FUNC(name) .type name, %function; name:
#define GLOBAL(name) .global name; FUNC(name)
#define SIZE(name) .size name, .-name
# define SYSCALL_BODY(name) \
addik r12, r0, SYS_ ## name; \
brki r14, 8; \
rtsd r15, 8; \
nop;
# define SYSCALL(name) \
GLOBAL(_ ## name); \
SYSCALL_BODY(name); \
SIZE(_ ## name)
SYSCALL(brk)
SYSCALL(exit)
SYSCALL(read)
SYSCALL(write)
SYSCALL(open)
SYSCALL(close)
SYSCALL(lseek)
SYSCALL(fstat)
SYSCALL(unlink)
SYSCALL(getpid)
SYSCALL(kill)
SYSCALL(rt_sigaction)