diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/tile/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/tile/sysdep.h | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/sysdeps/unix/sysv/linux/tile/sysdep.h b/sysdeps/unix/sysv/linux/tile/sysdep.h deleted file mode 100644 index fb1b89c280..0000000000 --- a/sysdeps/unix/sysv/linux/tile/sysdep.h +++ /dev/null @@ -1,243 +0,0 @@ -/* Copyright (C) 2011-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <asm/unistd.h> -#include <sysdeps/tile/sysdep.h> -#include <sysdeps/unix/sysv/linux/generic/sysdep.h> -#include <sys/syscall.h> - -#undef SYS_ify -#define SYS_ify(syscall_name) __NR_##syscall_name - - -#ifdef __ASSEMBLER__ - -/* The actual implementation of doing a syscall. */ -#define DO_CALL(syscall_name, args) \ - moveli TREG_SYSCALL_NR_NAME, SYS_ify(syscall_name); \ - swint1 - -/* TILE Linux returns the result in r0 (or a negative errno). - The kernel "owns" the code to decide if a given value is an error, - and puts errno in r1 if so, or otherwise zero. */ -#define PSEUDO(name, syscall_name, args) \ - ENTRY (name); \ - DO_CALL(syscall_name, args); \ - BNEZ r1, 0f - -#define ret jrp lr - -#ifndef PIC -/* For static code, on error jump to __syscall_error directly. */ -# define SYSCALL_ERROR_NAME __syscall_error -#elif IS_IN (libc) || IS_IN (libpthread) -/* Use the internal name for libc/libpthread shared objects. */ -# define SYSCALL_ERROR_NAME __GI___syscall_error -#else -/* Otherwise, on error do a full PLT jump. */ -# define SYSCALL_ERROR_NAME plt(__syscall_error) -#endif - -#undef PSEUDO_END -#define PSEUDO_END(name) \ -0: \ - j SYSCALL_ERROR_NAME; \ - END (name) - -#undef PSEUDO_NOERRNO -#define PSEUDO_NOERRNO(name, syscall_name, args) \ - ENTRY (name); \ - DO_CALL(syscall_name, args) - -#define ret_NOERRNO jrp lr - -#undef PSEUDO_END_NOERRNO -#define PSEUDO_END_NOERRNO(name) \ - END (name) - -/* Convenience wrappers. */ -#define SYSCALL__(name, args) PSEUDO (__##name, name, args) -#define SYSCALL(name, args) PSEUDO (name, name, args) - -#else /* not __ASSEMBLER__ */ - -#include <errno.h> - -/* Define a macro which expands inline into the wrapper code for a system - call. */ -# undef INLINE_SYSCALL -# define INLINE_SYSCALL(name, nr, args...) \ - ({ \ - INTERNAL_SYSCALL_DECL (_sc_err); \ - unsigned long _sc_val = INTERNAL_SYSCALL (name, _sc_err, nr, args); \ - if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (_sc_val, _sc_err), 0)) \ - { \ - __set_errno (INTERNAL_SYSCALL_ERRNO (_sc_val, _sc_err)); \ - _sc_val = -1; \ - } \ - (long) _sc_val; \ - }) - -#undef INTERNAL_SYSCALL -#define INTERNAL_SYSCALL(name, err, nr, args...) \ - internal_syscall##nr (SYS_ify (name), err, args) - -#undef INTERNAL_SYSCALL_NCS -#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \ - internal_syscall##nr (number, err, args) - -#undef INTERNAL_SYSCALL_DECL -#define INTERNAL_SYSCALL_DECL(err) int err - -#undef INTERNAL_SYSCALL_ERROR_P -#define INTERNAL_SYSCALL_ERROR_P(val, err) ({ (void) (val); (err) != 0; }) - -#undef INTERNAL_SYSCALL_ERRNO -#define INTERNAL_SYSCALL_ERRNO(val, err) ({ (void) (val); (err); }) - -#define internal_syscall0(num, err, dummy...) \ - ({ \ - long _sys_result, __SYSCALL_CLOBBER_DECLS; \ - __asm__ __volatile__ ( \ - "swint1" \ - : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \ - : "R10" (num) \ - : __SYSCALL_CLOBBERS); \ - _sys_result; \ - }) - -#define internal_syscall1(num, err, arg0) \ - ({ \ - long _sys_result, __SYSCALL_CLOBBER_DECLS; \ - __asm__ __volatile__ ( \ - "swint1" \ - : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \ - : "R10" (num), "R00" (arg0) \ - : __SYSCALL_CLOBBERS); \ - _sys_result; \ - }) - -#define internal_syscall2(num, err, arg0, arg1) \ - ({ \ - long _sys_result, __SYSCALL_CLOBBER_DECLS; \ - __asm__ __volatile__ ( \ - "swint1" \ - : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \ - : "R10" (num), "R00" (arg0), "R01" (arg1) \ - : __SYSCALL_CLOBBERS); \ - _sys_result; \ - }) - -#define internal_syscall3(num, err, arg0, arg1, arg2) \ - ({ \ - long _sys_result, __SYSCALL_CLOBBER_DECLS; \ - __asm__ __volatile__ ( \ - "swint1" \ - : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \ - : "R10" (num), "R00" (arg0), "R01" (arg1), "R02" (arg2) \ - : __SYSCALL_CLOBBERS); \ - _sys_result; \ - }) - -#define internal_syscall4(num, err, arg0, arg1, arg2, arg3) \ - ({ \ - long _sys_result, __SYSCALL_CLOBBER_DECLS; \ - __asm__ __volatile__ ( \ - "swint1" \ - : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \ - : "R10" (num), "R00" (arg0), "R01" (arg1), "R02" (arg2), \ - "R03" (arg3) \ - : __SYSCALL_CLOBBERS); \ - _sys_result; \ - }) - -#define internal_syscall5(num, err, arg0, arg1, arg2, arg3, arg4) \ - ({ \ - long _sys_result, __SYSCALL_CLOBBER_DECLS; \ - __asm__ __volatile__ ( \ - "swint1" \ - : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \ - : "R10" (num), "R00" (arg0), "R01" (arg1), "R02" (arg2), \ - "R03" (arg3), "R04" (arg4) \ - : __SYSCALL_CLOBBERS); \ - _sys_result; \ - }) - -#define internal_syscall6(num, err, arg0, arg1, arg2, arg3, arg4, arg5) \ - ({ \ - long _sys_result, __SYSCALL_CLOBBER_DECLS; \ - __asm__ __volatile__ ( \ - "swint1" \ - : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \ - : "R10" (num), "R00" (arg0), "R01" (arg1), "R02" (arg2), \ - "R03" (arg3), "R04" (arg4), "R05" (arg5) \ - : __SYSCALL_CLOBBERS); \ - _sys_result; \ - }) - -#undef __SYSCALL_CLOBBERS -#define __SYSCALL_CLOBBERS \ - "r6", "r7", \ - "r8", "r9", "r11", "r12", "r13", "r14", "r15", \ - "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ - "r24", "r25", "r26", "r27", "r28", "r29", "memory" - -/* gcc doesn't seem to allow an input operand to be clobbered, so we - fake it with dummy outputs. */ -#define __SYSCALL_CLOBBER_DECLS \ - _clobber_r2, _clobber_r3, _clobber_r4, _clobber_r5, _clobber_r10 - -#define __SYSCALL_CLOBBER_OUTPUTS \ - "=R02" (_clobber_r2), "=R03" (_clobber_r3), "=R04" (_clobber_r4), \ - "=R05" (_clobber_r5), "=R10" (_clobber_r10) - - -#define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...) \ - ({ \ - struct syscall_return_value _sc_rv = funcptr (args); \ - err = _sc_rv.error; \ - _sc_rv.value; \ - }) - -/* List of system calls which are supported as vsyscalls. */ -#define HAVE_CLOCK_GETTIME_VSYSCALL 1 -#define HAVE_GETTIMEOFDAY_VSYSCALL 1 - -/* Previously tile used the generic version without the libc_hidden_def - which lead in a non existent __send symbol in libc.so. */ -#undef HAVE_INTERNAL_SEND_SYMBOL - -#endif /* __ASSEMBLER__ */ - -/* Pointer mangling support. */ -#if IS_IN (rtld) -/* We cannot use the thread descriptor because in ld.so we use setjmp - earlier than the descriptor is initialized. */ -#else -# ifdef __ASSEMBLER__ -# define PTR_MANGLE(reg, tmpreg) \ - ADDLI_PTR tmpreg, pt, POINTER_GUARD; \ - LD tmpreg, tmpreg; \ - xor reg, tmpreg, reg -# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) -# else -# define PTR_MANGLE(var) \ - (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) -# define PTR_DEMANGLE(var) PTR_MANGLE (var) -# endif -#endif |