diff options
Diffstat (limited to 'libc/string/ia64/sysdep.h')
| -rw-r--r-- | libc/string/ia64/sysdep.h | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/libc/string/ia64/sysdep.h b/libc/string/ia64/sysdep.h deleted file mode 100644 index d10020ac1..000000000 --- a/libc/string/ia64/sysdep.h +++ /dev/null @@ -1,168 +0,0 @@ -/* Copyright (C) 1999, 2000, 2002, 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999. - Based on code originally written by David Mosberger-Tang - - 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_IA64_SYSDEP_H -#define _LINUX_IA64_SYSDEP_H 1 - -#include <features.h> -#include <asm/unistd.h> - -#ifdef __ASSEMBLER__ - -/* Macros to help writing .prologue directives in assembly code. */ -#define ASM_UNW_PRLG_RP 0x8 -#define ASM_UNW_PRLG_PFS 0x4 -#define ASM_UNW_PRLG_PSP 0x2 -#define ASM_UNW_PRLG_PR 0x1 -#define ASM_UNW_PRLG_GRSAVE(ninputs) (32+(ninputs)) - -#ifdef __STDC__ -#define C_LABEL(name) name : -#else -#define C_LABEL(name) name/**/: -#endif - -#define CALL_MCOUNT - -#define ENTRY(name) \ - .text; \ - .align 32; \ - .proc C_SYMBOL_NAME(name); \ - .global C_SYMBOL_NAME(name); \ - C_LABEL(name) \ - CALL_MCOUNT - -#define LEAF(name) \ - .text; \ - .align 32; \ - .proc C_SYMBOL_NAME(name); \ - .global name; \ - C_LABEL(name) - -/* Mark the end of function SYM. */ -#undef END -#define END(sym) .endp C_SYMBOL_NAME(sym) - -/* 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 -#ifdef __STDC__ -# define SYS_ify(syscall_name) __NR_##syscall_name -#else -# define SYS_ify(syscall_name) __NR_/**/syscall_name -#endif - -/* 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 %d0 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. */ - -/* We don't want the label for the error handler to be visible in the symbol - table when we define it here. */ -#define SYSCALL_ERROR_LABEL __syscall_error - -#undef PSEUDO -#define PSEUDO(name, syscall_name, args) \ - ENTRY(name) \ - DO_CALL (SYS_ify(syscall_name)); \ - cmp.eq p6,p0=-1,r10; \ -(p6) br.cond.spnt.few __syscall_error; - -#define DO_CALL_VIA_BREAK(num) \ - mov r15=num; \ - break __BREAK_SYSCALL - -#ifdef IA64_USE_NEW_STUB -# ifdef SHARED -# define DO_CALL(num) \ - .prologue; \ - adds r2 = SYSINFO_OFFSET, r13;; \ - ld8 r2 = [r2]; \ - .save ar.pfs, r11; \ - mov r11 = ar.pfs;; \ - .body; \ - mov r15 = num; \ - mov b7 = r2; \ - br.call.sptk.many b6 = b7;; \ - .restore sp; \ - mov ar.pfs = r11; \ - .prologue; \ - .body -# else /* !SHARED */ -# define DO_CALL(num) \ - .prologue; \ - mov r15 = num; \ - movl r2 = _dl_sysinfo;; \ - ld8 r2 = [r2]; \ - .save ar.pfs, r11; \ - mov r11 = ar.pfs;; \ - .body; \ - mov b7 = r2; \ - br.call.sptk.many b6 = b7;; \ - .restore sp; \ - mov ar.pfs = r11; \ - .prologue; \ - .body -# endif -#else -# define DO_CALL(num) DO_CALL_VIA_BREAK(num) -#endif - -#undef PSEUDO_END -#define PSEUDO_END(name) .endp C_SYMBOL_NAME(name); - -#undef PSEUDO_NOERRNO -#define PSEUDO_NOERRNO(name, syscall_name, args) \ - ENTRY(name) \ - DO_CALL (SYS_ify(syscall_name)); - -#undef PSEUDO_END_NOERRNO -#define PSEUDO_END_NOERRNO(name) .endp C_SYMBOL_NAME(name); - -#undef PSEUDO_ERRVAL -#define PSEUDO_ERRVAL(name, syscall_name, args) \ - ENTRY(name) \ - DO_CALL (SYS_ify(syscall_name)); \ - cmp.eq p6,p0=-1,r10; \ -(p6) mov r10=r8; - - -#undef PSEUDO_END_ERRVAL -#define PSEUDO_END_ERRVAL(name) .endp C_SYMBOL_NAME(name); - -#undef END -#define END(name) \ - .size C_SYMBOL_NAME(name), . - C_SYMBOL_NAME(name) ; \ - .endp C_SYMBOL_NAME(name) - -#define ret br.ret.sptk.few b0 -#define ret_NOERRNO ret -#define ret_ERRVAL ret - -#endif /* not __ASSEMBLER__ */ - -#endif /* linux/ia64/sysdep.h */ |