diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sh')
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/sh/sh4/sysdep.h | 4 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/sh/sysdep.h | 224 |
2 files changed, 0 insertions, 228 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sh4/sysdep.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sh4/sysdep.h deleted file mode 100644 index 1aed1a14a..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sh4/sysdep.h +++ /dev/null @@ -1,4 +0,0 @@ -/* 4 instruction cycles not accessing cache and TLB are needed after - trapa instruction to avoid an SH-4 silicon bug. */ -#define NEED_SYSCALL_INST_PAD -#include_next <sysdep.h> diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sysdep.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sysdep.h deleted file mode 100644 index 7e9223b70..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sysdep.h +++ /dev/null @@ -1,224 +0,0 @@ -/* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004 - Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995. - Changed by Kaz Kojima, <kkojima@rr.iij4u.or.jp>. - - 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. */ - -#ifndef _LINUX_SH_SYSDEP_H -#define _LINUX_SH_SYSDEP_H 1 - -/* There is some commonality. */ -#include <sysdeps/unix/sh/sysdep.h> - -/* For Linux we can use the system call table in the header file - /usr/include/asm/unistd.h - of the kernel. But these symbols do not follow the SYS_* syntax - so we have to redefine the `SYS_ify' macro here. */ -#undef SYS_ify -#define SYS_ify(syscall_name) (__NR_##syscall_name) - - -#ifdef __ASSEMBLER__ - -/* Linux uses a negative return value to indicate syscall errors, - unlike most Unices, which use the condition codes' carry flag. - - Since version 2.1 the return value of a system call might be - negative even if the call succeeded. E.g., the `lseek' system call - might return a large offset. Therefore we must not anymore test - for < 0, but test for a real error by making sure the value in R0 - is a real error number. Linus said he will make sure the no syscall - returns a value in -1 .. -4095 as a valid result so we can savely - test with -4095. */ - -#define _IMM1 #-1 -#define _IMM12 #-12 -#undef PSEUDO -#define PSEUDO(name, syscall_name, args) \ - .text; \ - ENTRY (name); \ - DO_CALL (syscall_name, args); \ - mov r0,r1; \ - mov _IMM12,r2; \ - shad r2,r1; \ - not r1,r1; \ - tst r1,r1; \ - bf .Lpseudo_end; \ - SYSCALL_ERROR_HANDLER; \ - .Lpseudo_end: - -#undef PSEUDO_END -#define PSEUDO_END(name) \ - END (name) - -#undef PSEUDO_NOERRNO -#define PSEUDO_NOERRNO(name, syscall_name, args) \ - .text; \ - ENTRY (name); \ - DO_CALL (syscall_name, args) - -#undef PSEUDO_END_NOERRNO -#define PSEUDO_END_NOERRNO(name) \ - END (name) - -#define ret_NOERRNO ret - -#define PSEUDO_ERRVAL(name, syscall_name, args) \ - .text; \ - ENTRY (name); \ - DO_CALL (syscall_name, args); - -#undef PSEUDO_END_ERRVAL -#define PSEUDO_END_ERRVAL(name) \ - END (name) - -#define ret_ERRVAL ret - -#ifndef __PIC__ -# define SYSCALL_ERROR_HANDLER \ - mov.l 0f,r1; \ - jmp @r1; \ - mov r0,r4; \ - .align 2; \ - 0: .long __syscall_error - -#include <libc/sysdeps/linux/sh/syscall_error.S> -#else -# ifdef RTLD_PRIVATE_ERRNO - -# define SYSCALL_ERROR_HANDLER \ - neg r0,r1; \ - mov.l 0f,r12; \ - mova 0f,r0; \ - add r0,r12; \ - mov.l 1f,r0; \ - mov.l r1,@(r0,r12) - bra .Lpseudo_end; \ - mov _IMM1,r0; \ - .align 2; \ - 0: .long _GLOBAL_OFFSET_TABLE_; \ - 1: .long rtld_errno@GOTOFF - -# elif defined _LIBC_REENTRANT - -# if USE___THREAD - -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif -# define SYSCALL_ERROR_HANDLER \ - neg r0,r1; \ - mov r12,r2; \ - mov.l 0f,r12; \ - mova 0f,r0; \ - add r0,r12; \ - mov.l 1f,r0; \ - stc gbr, r4; \ - mov.l @(r0,r12),r0; \ - bra .Lskip; \ - add r4,r0; \ - .align 2; \ - 1: .long SYSCALL_ERROR_ERRNO@GOTTPOFF; \ - .Lskip: \ - mov r2,r12; \ - mov.l r1,@r0; \ - bra .Lpseudo_end; \ - mov _IMM1,r0; \ - .align 2; \ - 0: .long _GLOBAL_OFFSET_TABLE_ -# else - -# define SYSCALL_ERROR_HANDLER \ - neg r0,r1; \ - mov.l r14,@-r15; \ - mov.l r12,@-r15; \ - mov.l r1,@-r15; \ - mov.l 0f,r12; \ - mova 0f,r0; \ - add r0,r12; \ - sts.l pr,@-r15; \ - mov r15,r14; \ - mov.l 1f,r1; \ - bsrf r1; \ - nop; \ - 2: mov r14,r15; \ - lds.l @r15+,pr; \ - mov.l @r15+,r1; \ - mov.l r1,@r0; \ - mov.l @r15+,r12; \ - mov.l @r15+,r14; \ - bra .Lpseudo_end; \ - mov _IMM1,r0; \ - .align 2; \ - 0: .long _GLOBAL_OFFSET_TABLE_; \ - 1: .long PLTJMP(C_SYMBOL_NAME(__errno_location))-(2b-.) -/* A quick note: it is assumed that the call to `__errno_location' does - not modify the stack! */ -# endif -# else - -/* Store (-r0) into errno through the GOT. */ -# define SYSCALL_ERROR_HANDLER \ - neg r0,r1; \ - mov r12,r2; \ - mov.l 0f,r12; \ - mova 0f,r0; \ - add r0,r12; \ - mov.l 1f,r0; \ - mov.l @(r0,r12),r0; \ - mov r2,r12; \ - mov.l r1,@r0; \ - bra .Lpseudo_end; \ - mov _IMM1,r0; \ - .align 2; \ - 0: .long _GLOBAL_OFFSET_TABLE_; \ - 1: .long errno@GOT -# endif /* _LIBC_REENTRANT */ -#endif /* __PIC__ */ - -# ifdef NEED_SYSCALL_INST_PAD -# define SYSCALL_INST_PAD \ - or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0 -# else -# define SYSCALL_INST_PAD -# endif - -#define SYSCALL_INST0 trapa #0x10 -#define SYSCALL_INST1 trapa #0x11 -#define SYSCALL_INST2 trapa #0x12 -#define SYSCALL_INST3 trapa #0x13 -#define SYSCALL_INST4 trapa #0x14 -#define SYSCALL_INST5 mov.l @(0,r15),r0; trapa #0x15 -#define SYSCALL_INST6 mov.l @(0,r15),r0; mov.l @(4,r15),r1; trapa #0x16 - -#undef DO_CALL -#define DO_CALL(syscall_name, args) \ - mov.l 1f,r3; \ - SYSCALL_INST##args; \ - SYSCALL_INST_PAD; \ - bra 2f; \ - nop; \ - .align 2; \ - 1: .long SYS_ify (syscall_name); \ - 2: - -#endif /* __ASSEMBLER__ */ - -#endif /* linux/sh/sysdep.h */ |