diff options
| -rw-r--r-- | ChangeLog | 30 | ||||
| -rw-r--r-- | sysdeps/i386/sysdep.h | 45 | ||||
| -rw-r--r-- | sysdeps/x86/sysdep.h | 69 | ||||
| -rw-r--r-- | sysdeps/x86_64/sysdep.h | 42 |
4 files changed, 101 insertions, 85 deletions
@@ -1,3 +1,33 @@ +2017-11-01 H.J. Lu <hongjiu.lu@intel.com> + + * sysdeps/i386/sysdep.h: Include <sysdeps/x86/sysdep.h> instead + of <sysdeps/generic/sysdep.h>. + (ALIGNARG): Removed. + (ASM_SIZE_DIRECTIVE): Likewise. + (ENTRY): Likewise. + (END): Likewise. + (ENTRY_CHK): Likewise. + (END_CHK): Likewise. + (syscall_error): Likewise. + (mcount): Likewise. + (PSEUDO_END): Likewise. + (L): Likewise. + (atom_text_section): Likewise. + * sysdeps/x86/sysdep.h: New file. + * sysdeps/x86_64/sysdep.h: Include <sysdeps/x86/sysdep.h> instead + of <sysdeps/generic/sysdep.h>. + (ALIGNARG): Removed. + (ASM_SIZE_DIRECTIVE): Likewise. + (ENTRY): Likewise. + (END): Likewise. + (ENTRY_CHK): Likewise. + (END_CHK): Likewise. + (syscall_error): Likewise. + (mcount): Likewise. + (PSEUDO_END): Likewise. + (L): Likewise. + (atom_text_section): Likewise. + 2017-10-31 Rafal Luzynski <digitalfreak@lingonborough.com> * localedata/unicode-gen/gen_unicode_ctype.py (output_head): diff --git a/sysdeps/i386/sysdep.h b/sysdeps/i386/sysdep.h index d2b0860..5cd7f25 100644 --- a/sysdeps/i386/sysdep.h +++ b/sysdeps/i386/sysdep.h @@ -16,7 +16,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <sysdeps/generic/sysdep.h> +#include <sysdeps/x86/sysdep.h> #include <features.h> /* For __GNUC_PREREQ. */ @@ -39,32 +39,6 @@ /* Syntactic details of assembler. */ -/* 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. - - 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) \ - .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 @@ -77,12 +51,6 @@ #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) \ .globl syscall_error; \ lose: SYSCALL_PIC_SETUP \ @@ -91,10 +59,6 @@ lose: SYSCALL_PIC_SETUP \ DO_CALL (syscall_name, args); \ jb lose -#undef PSEUDO_END -#define PSEUDO_END(name) \ - END (name) - # define SETUP_PIC_REG(reg) \ .ifndef GET_PC_THUNK(reg); \ .section .gnu.linkonce.t.GET_PC_THUNK(reg),"ax",@progbits; \ @@ -129,13 +93,6 @@ GET_PC_THUNK(reg): \ #define SYSCALL_PIC_SETUP /* Nothing. */ #endif -/* Local label name for asm code. */ -#ifndef L -#define L(name) .L##name -#endif - -#define atom_text_section .section ".text.atom", "ax" - #else /* __ASSEMBLER__ */ # define SETUP_PIC_REG_STR(reg) \ diff --git a/sysdeps/x86/sysdep.h b/sysdeps/x86/sysdep.h new file mode 100644 index 0000000..eb25e4b --- /dev/null +++ b/sysdeps/x86/sysdep.h @@ -0,0 +1,69 @@ +/* Assembler macros for x86. + Copyright (C) 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_SYSDEP_H +#define _X86_SYSDEP_H 1 + +#include <sysdeps/generic/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 +#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) + +/* 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 + +#undef PSEUDO_END +#define PSEUDO_END(name) \ + END (name) + +/* 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" + +#endif /* __ASSEMBLER__ */ + +#endif /* _X86_SYSDEP_H */ diff --git a/sysdeps/x86_64/sysdep.h b/sysdeps/x86_64/sysdep.h index 1c52544..4b85475 100644 --- a/sysdeps/x86_64/sysdep.h +++ b/sysdeps/x86_64/sysdep.h @@ -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) \ @@ -84,10 +56,6 @@ lose: \ DO_CALL (syscall_name, args); \ jb lose -#undef PSEUDO_END -#define PSEUDO_END(name) \ - END (name) - #undef JUMPTARGET #ifdef SHARED # ifdef BIND_NOW @@ -100,14 +68,6 @@ lose: \ # 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 |