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Diffstat (limited to 'sysdeps/x86_64/sysdep.h')
| -rw-r--r-- | sysdeps/x86_64/sysdep.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/sysdeps/x86_64/sysdep.h b/sysdeps/x86_64/sysdep.h deleted file mode 100644 index 1c52544fa3..0000000000 --- a/sysdeps/x86_64/sysdep.h +++ /dev/null @@ -1,169 +0,0 @@ -/* Assembler macros for x86-64. - Copyright (C) 2001-2017 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, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _X86_64_SYSDEP_H -#define _X86_64_SYSDEP_H 1 - -#include <sysdeps/generic/sysdep.h> - -#ifdef __ASSEMBLER__ - -/* Syntactic details of assembler. */ - -/* This macro is for setting proper CFI with DW_CFA_expression describing - the register as saved relative to %rsp instead of relative to the CFA. - Expression is DW_OP_drop, DW_OP_breg7 (%rsp is register 7), sleb128 offset - from %rsp. */ -#define cfi_offset_rel_rsp(regn, off) .cfi_escape 0x10, regn, 0x4, 0x13, \ - 0x77, off & 0x7F | 0x80, off >> 7 - -/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */ -#define ALIGNARG(log2) 1<<log2 -#define ASM_SIZE_DIRECTIVE(name) .size name,.-name; - - -/* Define an entry point visible from C. */ -#define ENTRY(name) \ - .globl C_SYMBOL_NAME(name); \ - .type 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) - -#define ENTRY_CHK(name) ENTRY (name) -#define END_CHK(name) END (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 - -/* 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 - -#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 SHARED -# ifdef BIND_NOW -# define JUMPTARGET(name) *name##@GOTPCREL(%rip) -# else -# define JUMPTARGET(name) name##@PLT -# endif -#else -/* For static archives, branch to target directly. */ -# define JUMPTARGET(name) name -#endif - -/* Local label name for asm code. */ -#ifndef L -/* ELF-like local names start with `.L'. */ -# define L(name) .L##name -#endif - -#define atom_text_section .section ".text.atom", "ax" - -/* Long and pointer size in bytes. */ -#define LP_SIZE 8 - -/* Instruction to operate on long and pointer. */ -#define LP_OP(insn) insn##q - -/* Assembler address directive. */ -#define ASM_ADDR .quad - -/* Registers to hold long and pointer. */ -#define RAX_LP rax -#define RBP_LP rbp -#define RBX_LP rbx -#define RCX_LP rcx -#define RDI_LP rdi -#define RDX_LP rdx -#define RSI_LP rsi -#define RSP_LP rsp -#define R8_LP r8 -#define R9_LP r9 -#define R10_LP r10 -#define R11_LP r11 -#define R12_LP r12 -#define R13_LP r13 -#define R14_LP r14 -#define R15_LP r15 - -#else /* __ASSEMBLER__ */ - -/* Long and pointer size in bytes. */ -#define LP_SIZE "8" - -/* Instruction to operate on long and pointer. */ -#define LP_OP(insn) #insn "q" - -/* Assembler address directive. */ -#define ASM_ADDR ".quad" - -/* Registers to hold long and pointer. */ -#define RAX_LP "rax" -#define RBP_LP "rbp" -#define RBX_LP "rbx" -#define RCX_LP "rcx" -#define RDI_LP "rdi" -#define RDX_LP "rdx" -#define RSI_LP "rsi" -#define RSP_LP "rsp" -#define R8_LP "r8" -#define R9_LP "r9" -#define R10_LP "r10" -#define R11_LP "r11" -#define R12_LP "r12" -#define R13_LP "r13" -#define R14_LP "r14" -#define R15_LP "r15" - -#endif /* __ASSEMBLER__ */ - -#endif /* _X86_64_SYSDEP_H */ |