diff options
Diffstat (limited to 'sysdeps/x86_64/sysdep.h')
| -rw-r--r-- | sysdeps/x86_64/sysdep.h | 55 |
1 files changed, 10 insertions, 45 deletions
diff --git a/sysdeps/x86_64/sysdep.h b/sysdeps/x86_64/sysdep.h index fbe3560588..1738d7f955 100644 --- a/sysdeps/x86_64/sysdep.h +++ b/sysdeps/x86_64/sysdep.h @@ -1,5 +1,5 @@ /* Assembler macros for x86-64. - Copyright (C) 2001-2016 Free Software Foundation, Inc. + Copyright (C) 2001-2018 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 @@ -19,7 +19,7 @@ #ifndef _X86_64_SYSDEP_H #define _X86_64_SYSDEP_H 1 -#include <sysdeps/generic/sysdep.h> +#include <sysdeps/x86/sysdep.h> #ifdef __ASSEMBLER__ @@ -32,28 +32,6 @@ #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 @@ -70,12 +48,6 @@ #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) \ @@ -84,25 +56,18 @@ lose: \ 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 +#ifdef SHARED +# ifdef BIND_NOW +# define JUMPTARGET(name) *name##@GOTPCREL(%rip) +# else +# define JUMPTARGET(name) name##@PLT +# endif #else -#define JUMPTARGET(name) name +/* 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 |