mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 05:22:25 +01:00
40 lines
752 B
ArmAsm
40 lines
752 B
ArmAsm
/* ==== syscall.S ============================================================
|
|
* Copyright (c) 1994 Chris Provenzano, proven@mit.edu
|
|
* All rights reserved.
|
|
*
|
|
*/
|
|
|
|
#include <sys/syscall.h>
|
|
|
|
#define SYSCALL(x) \
|
|
.globl _machdep_sys_##x; \
|
|
\
|
|
_machdep_sys_##x:; \
|
|
\
|
|
mov SYS_##x, %g1; \
|
|
ta 0; \
|
|
bcs,a 2b; \
|
|
sub %r0,%o0,%o0; \
|
|
retl; \
|
|
nop
|
|
|
|
/*
|
|
* Initial asm stuff for all functions.
|
|
*/
|
|
.text
|
|
.align 4
|
|
|
|
/* ==========================================================================
|
|
* error code for all syscalls. The error value is returned as the negative
|
|
* of the errno value.
|
|
*/
|
|
|
|
1:
|
|
sub %r0, %o0, %o0
|
|
2:
|
|
retl
|
|
nop
|
|
|
|
#define XSYSCALL(NAME) SYSCALL(NAME)
|
|
|
|
XSYSCALL(SYSCALL_NAME)
|