diff options
Diffstat (limited to 'sysdeps/aarch64/sysdep.h')
| -rw-r--r-- | sysdeps/aarch64/sysdep.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/sysdeps/aarch64/sysdep.h b/sysdeps/aarch64/sysdep.h deleted file mode 100644 index a749a707ec..0000000000 --- a/sysdeps/aarch64/sysdep.h +++ /dev/null @@ -1,148 +0,0 @@ -/* Copyright (C) 1997-2017 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 _AARCH64_SYSDEP_H -#define _AARCH64_SYSDEP_H - -#include <sysdeps/generic/sysdep.h> - -#ifdef __LP64__ -# define AARCH64_R(NAME) R_AARCH64_ ## NAME -# define PTR_REG(n) x##n -# define PTR_LOG_SIZE 3 -# define DELOUSE(n) -#else -# define AARCH64_R(NAME) R_AARCH64_P32_ ## NAME -# define PTR_REG(n) w##n -# define PTR_LOG_SIZE 2 -# define DELOUSE(n) mov w##n, w##n -#endif - -#define PTR_SIZE (1<<PTR_LOG_SIZE) - -#ifdef __ASSEMBLER__ - -/* Syntactic details of assembler. */ - -#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 4; \ - C_LABEL(name) \ - cfi_startproc; \ - CALL_MCOUNT - -/* Define an entry point visible from C. */ -#define ENTRY_ALIGN(name, align) \ - .globl C_SYMBOL_NAME(name); \ - .type C_SYMBOL_NAME(name),%function; \ - .p2align align; \ - C_LABEL(name) \ - cfi_startproc; \ - CALL_MCOUNT - -/* Define an entry point visible from C with a specified alignment and - pre-padding with NOPs. This can be used to ensure that a critical - loop within a function is cache line aligned. Note this version - does not adjust the padding if CALL_MCOUNT is defined. */ - -#define ENTRY_ALIGN_AND_PAD(name, align, padding) \ - .globl C_SYMBOL_NAME(name); \ - .type C_SYMBOL_NAME(name),%function; \ - .p2align align; \ - .rep padding; \ - nop; \ - .endr; \ - 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 -# define CALL_MCOUNT \ - str x30, [sp, #-80]!; \ - cfi_adjust_cfa_offset (80); \ - cfi_rel_offset (x30, 0); \ - stp x0, x1, [sp, #16]; \ - cfi_rel_offset (x0, 16); \ - cfi_rel_offset (x1, 24); \ - stp x2, x3, [sp, #32]; \ - cfi_rel_offset (x2, 32); \ - cfi_rel_offset (x3, 40); \ - stp x4, x5, [sp, #48]; \ - cfi_rel_offset (x4, 48); \ - cfi_rel_offset (x5, 56); \ - stp x6, x7, [sp, #64]; \ - cfi_rel_offset (x6, 64); \ - cfi_rel_offset (x7, 72); \ - mov x0, x30; \ - bl mcount; \ - ldp x0, x1, [sp, #16]; \ - cfi_restore (x0); \ - cfi_restore (x1); \ - ldp x2, x3, [sp, #32]; \ - cfi_restore (x2); \ - cfi_restore (x3); \ - ldp x4, x5, [sp, #48]; \ - cfi_restore (x4); \ - cfi_restore (x5); \ - ldp x6, x7, [sp, #64]; \ - cfi_restore (x6); \ - cfi_restore (x7); \ - ldr x30, [sp], #80; \ - cfi_adjust_cfa_offset (-80); \ - cfi_restore (x30); -#else -# define CALL_MCOUNT /* Do nothing. */ -#endif - -/* Local label name for asm code. */ -#ifndef L -# define L(name) .L##name -#endif - -/* Load or store to/from a pc-relative EXPR into/from R, using T. - Note R and T are register numbers and not register names. */ -#define LDST_PCREL(OP, R, T, EXPR) \ - adrp x##T, EXPR; \ - OP PTR_REG (R), [x##T, #:lo12:EXPR]; \ - -/* Load or store to/from a got-relative EXPR into/from R, using T. - Note R and T are register numbers and not register names. */ -#define LDST_GLOBAL(OP, R, T, EXPR) \ - adrp x##T, :got:EXPR; \ - ldr PTR_REG (T), [x##T, #:got_lo12:EXPR]; \ - OP PTR_REG (R), [x##T]; - -/* 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 /* __ASSEMBLER__ */ - -#endif /* _AARCH64_SYSDEP_H */ |