| /* |
| * linux/include/asm-arm/unistd.h |
| * |
| * Copyright (C) 2001-2005 Russell King |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * Please forward _all_ changes to this file to rmk@arm.linux.org.uk, |
| * no matter what the change is. Thanks! |
| */ |
| |
| // Syscall hooks for Sanitizer tools. |
| // They help sanitizers update their knowledge of the process memory state |
| // before and after a system call. |
| #if defined(ADDRESS_SANITIZER) || defined(HWADDRESS_SANITIZER) || defined(MEMORY_SANITIZER) || defined(THREAD_SANITIZER) |
| #include <sanitizer/linux_syscall_hooks.h> |
| #define PRE(name, ...) __sanitizer_syscall_pre_##name(__VA_ARGS__) |
| #define POST(name, res, ...) __sanitizer_syscall_post_##name(res, __VA_ARGS__) |
| #else |
| #define PRE(...) |
| #define POST(...) |
| #endif |
| |
| #define __NR_io_setup 0 |
| #define __NR_io_destroy 1 |
| #define __NR_io_submit 2 |
| #define __NR_io_cancel 3 |
| #define __NR_io_getevents 4 |
| |
| #define __sys2(x) #x |
| #define __sys1(x) __sys2(x) |
| |
| #define __SYS_REG(name) register long __sysreg __asm__("w8") = __NR_##name; |
| #define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs |
| #define __syscall(name) "svc\t#0" |
| |
| #define io_syscall1(type,fname,sname,type1,arg1) \ |
| type fname(type1 arg1) { \ |
| __SYS_REG(sname) \ |
| register long __x0 __asm__("x0") = (long)arg1; \ |
| register long __res_x0 __asm__("x0"); \ |
| PRE(sname, arg1); \ |
| __asm__ __volatile__ ( \ |
| __syscall(sname) \ |
| : "=r" (__res_x0) \ |
| : __SYS_REG_LIST( "0" (__x0) ) \ |
| : "memory" ); \ |
| POST(sname, __res_x0, arg1); \ |
| return (type) __res_x0; \ |
| } |
| |
| #define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \ |
| type fname(type1 arg1,type2 arg2) { \ |
| __SYS_REG(sname) \ |
| register long __x0 __asm__("x0") = (long)arg1; \ |
| register long __x1 __asm__("x1") = (long)arg2; \ |
| register long __res_x0 __asm__("x0"); \ |
| PRE(sname, arg1, arg2); \ |
| __asm__ __volatile__ ( \ |
| __syscall(sname) \ |
| : "=r" (__res_x0) \ |
| : __SYS_REG_LIST( "0" (__x0), "r" (__x1) ) \ |
| : "memory" ); \ |
| POST(sname, __res_x0, arg1, arg2); \ |
| return (type) __res_x0; \ |
| } |
| |
| #define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \ |
| type fname(type1 arg1,type2 arg2,type3 arg3) { \ |
| __SYS_REG(sname) \ |
| register long __x0 __asm__("x0") = (long)arg1; \ |
| register long __x1 __asm__("x1") = (long)arg2; \ |
| register long __x2 __asm__("x2") = (long)arg3; \ |
| register long __res_x0 __asm__("x0"); \ |
| PRE(sname, arg1, arg2, arg3); \ |
| __asm__ __volatile__ ( \ |
| __syscall(sname) \ |
| : "=r" (__res_x0) \ |
| : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2) ) \ |
| : "memory" ); \ |
| POST(sname, __res_x0, arg1, arg2, arg3); \ |
| return (type) __res_x0; \ |
| } |
| |
| #define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\ |
| type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ |
| __SYS_REG(sname) \ |
| register long __x0 __asm__("x0") = (long)arg1; \ |
| register long __x1 __asm__("x1") = (long)arg2; \ |
| register long __x2 __asm__("x2") = (long)arg3; \ |
| register long __x3 __asm__("x3") = (long)arg4; \ |
| register long __res_x0 __asm__("x0"); \ |
| PRE(sname, arg1, arg2, arg3, arg4); \ |
| __asm__ __volatile__ ( \ |
| __syscall(sname) \ |
| : "=r" (__res_x0) \ |
| : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2), "r" (__x3) ) \ |
| : "memory" ); \ |
| POST(sname, __res_x0, arg1, arg2, arg3, arg4); \ |
| return (type) __res_x0; \ |
| } |
| |
| #define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ |
| type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {\ |
| __SYS_REG(sname) \ |
| register long __x0 __asm__("x0") = (long)arg1; \ |
| register long __x1 __asm__("x1") = (long)arg2; \ |
| register long __x2 __asm__("x2") = (long)arg3; \ |
| register long __x3 __asm__("x3") = (long)arg4; \ |
| register long __x4 __asm__("x4") = (long)arg5; \ |
| register long __res_x0 __asm__("x0"); \ |
| PRE(sname, arg1, arg2, arg3, arg4, arg5); \ |
| __asm__ __volatile__ ( \ |
| __syscall(sname) \ |
| : "=r" (__res_x0) \ |
| : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2), \ |
| "r" (__x3), "r" (__x4) ) \ |
| : "memory" ); \ |
| POST(sname, __res_x0, arg1, arg2, arg3, arg4, arg5); \ |
| return (type) __res_x0; \ |
| } |