diff options
Diffstat (limited to 'libpthread/nptl/sysdeps')
| -rw-r--r-- | libpthread/nptl/sysdeps/i386/sysdep.h | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/libpthread/nptl/sysdeps/i386/sysdep.h b/libpthread/nptl/sysdeps/i386/sysdep.h deleted file mode 100644 index 50253de20..000000000 --- a/libpthread/nptl/sysdeps/i386/sysdep.h +++ /dev/null @@ -1,157 +0,0 @@ -/* Assembler macros for i386. - Copyright (C) 1991-93,95,96,98,2002,2003,2005,2006 - 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. */ - -/* 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 - -/* Define an entry point visible from C. - - There is currently a bug in gdb which prevents us from specifying - incomplete stabs information. Fake some entries here which specify - the current source file. */ -#define ENTRY(name) \ - STABS_CURRENT_FILE1("") \ - STABS_CURRENT_FILE(name) \ - ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ - ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ - .align ALIGNARG(4); \ - STABS_FUN(name) \ - C_LABEL(name) \ - cfi_startproc; \ - CALL_MCOUNT - -#undef END -#define END(name) \ - cfi_endproc; \ - ASM_SIZE_DIRECTIVE(name) \ - STABS_FUN_END(name) - -#ifdef HAVE_CPP_ASM_DEBUGINFO -/* Disable that goop, because we just pass -g through to the assembler - and it generates proper line number information directly. */ -# define STABS_CURRENT_FILE1(name) -# define STABS_CURRENT_FILE(name) -# define STABS_FUN(name) -# define STABS_FUN_END(name) -#else -/* Remove the following two lines once the gdb bug is fixed. */ -#define STABS_CURRENT_FILE(name) \ - STABS_CURRENT_FILE1 (#name) -#define STABS_CURRENT_FILE1(name) \ - 1: .stabs name,100,0,0,1b; -/* Emit stabs definition lines. We use F(0,1) and define t(0,1) as `int', - the same way gcc does it. */ -#define STABS_FUN(name) STABS_FUN2(name, name##:F(0,1)) -#define STABS_FUN2(name, namestr) \ - .stabs "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0; \ - .stabs #namestr,36,0,0,name; -#define STABS_FUN_END(name) \ - 1: .stabs "",36,0,0,1b-name; -#endif - -/* 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 \ - pushl %ebp; cfi_adjust_cfa_offset (4); movl %esp, %ebp; \ - cfi_def_cfa_register (ebp); call JUMPTARGET(mcount); \ - popl %ebp; cfi_def_cfa (esp, 4); -#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) \ - .globl syscall_error; \ -lose: SYSCALL_PIC_SETUP \ - jmp JUMPTARGET(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 -#define SYSCALL_PIC_SETUP \ - pushl %ebx; \ - cfi_adjust_cfa_offset (4); \ - call 0f; \ -0: popl %ebx; \ - cfi_adjust_cfa_offset (-4); \ - addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx; - - -# define SETUP_PIC_REG(reg) \ - .ifndef __x86.get_pc_thunk.reg; \ - .section .gnu.linkonce.t.__x86.get_pc_thunk.reg,"ax",@progbits; \ - .globl __x86.get_pc_thunk.reg; \ - .hidden __x86.get_pc_thunk.reg; \ - .type __x86.get_pc_thunk.reg,@function; \ -__x86.get_pc_thunk.reg: \ - movl (%esp), %e##reg; \ - ret; \ - .size __x86.get_pc_thunk.reg, . - __x86.get_pc_thunk.reg; \ - .previous; \ - .endif; \ - call __x86.get_pc_thunk.reg - -# define LOAD_PIC_REG(reg) \ - SETUP_PIC_REG(reg); addl $_GLOBAL_OFFSET_TABLE_, %e##reg - -#else -#define JUMPTARGET(name) name -#define SYSCALL_PIC_SETUP /* Nothing. */ -#endif - -/* Local label name for asm code. */ -#ifndef L -#ifdef HAVE_ELF -#define L(name) .L##name -#else -#define L(name) name -#endif -#endif - -#endif /* __ASSEMBLER__ */ |