diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/x86_64')
| -rw-r--r-- | libpthread/nptl/sysdeps/x86_64/sysdep.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/libpthread/nptl/sysdeps/x86_64/sysdep.h b/libpthread/nptl/sysdeps/x86_64/sysdep.h deleted file mode 100644 index 350e3b5e2..000000000 --- a/libpthread/nptl/sysdeps/x86_64/sysdep.h +++ /dev/null @@ -1,114 +0,0 @@ -/* Assembler macros for x86-64. - Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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. */ - -#include <common/sysdep.h> - -#ifdef __ASSEMBLER__ - -/* Syntactic details of assembler. */ - -#ifdef HAVE_ELF - -/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */ -#define ALIGNARG(log2) 1<<log2 -/* For ELF we need the `.type' directive to make shared libs work right. */ -#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; -#define ASM_SIZE_DIRECTIVE(name) .size name,.-name; - -/* In ELF C symbols are asm symbols. */ -#undef NO_UNDERSCORES -#define NO_UNDERSCORES - -#else - -#define ALIGNARG(log2) log2 -#define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */ -#define ASM_SIZE_DIRECTIVE(name) /* Nothing is specified. */ - -#endif - - -/* Define an entry point visible from C. */ -#define ENTRY(name) \ - ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ - ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ - .align ALIGNARG(4); \ - C_LABEL(name) \ - cfi_startproc; \ - CALL_MCOUNT - -#undef END -#define END(name) \ - cfi_endproc; \ - ASM_SIZE_DIRECTIVE(name) - -/* If compiled for profiling, call `mcount' at the start of each function. */ -#ifdef PROF -/* The mcount code relies on a normal frame pointer being on the stack - to locate our caller, so push one just for its benefit. */ -#define CALL_MCOUNT \ - pushq %rbp; \ - cfi_adjust_cfa_offset(8); \ - movq %rsp, %rbp; \ - cfi_def_cfa_register(%rbp); \ - call JUMPTARGET(mcount); \ - popq %rbp; \ - cfi_def_cfa(rsp,8); -#else -#define CALL_MCOUNT /* Do nothing. */ -#endif - -#ifdef NO_UNDERSCORES -/* Since C identifiers are not normally prefixed with an underscore - on this system, the asm identifier `syscall_error' intrudes on the - C name space. Make sure we use an innocuous name. */ -#define syscall_error __syscall_error -#define mcount _mcount -#endif - -#define PSEUDO(name, syscall_name, args) \ -lose: \ - jmp JUMPTARGET(syscall_error) \ - .globl syscall_error; \ - ENTRY (name) \ - DO_CALL (syscall_name, args); \ - jb lose - -#undef PSEUDO_END -#define PSEUDO_END(name) \ - END (name) - -#undef JUMPTARGET -#ifdef __PIC__ -#define JUMPTARGET(name) name##@PLT -#else -#define JUMPTARGET(name) name -#endif - -/* Local label name for asm code. */ -#ifndef L -# ifdef HAVE_ELF -/* ELF-like local names start with `.L'. */ -# define L(name) .L##name -# else -# define L(name) name -# endif -#endif - -#endif /* __ASSEMBLER__ */ |