diff --git a/cipher/asm-common-aarch64.h b/cipher/asm-common-aarch64.h index 8e8bf8e7..3a72d7c4 100644 --- a/cipher/asm-common-aarch64.h +++ b/cipher/asm-common-aarch64.h @@ -1,128 +1,132 @@ /* asm-common-aarch64.h - Common macros for AArch64 assembly * * Copyright (C) 2018 Martin Storsjö * * This file is part of Libgcrypt. * * Libgcrypt 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. * * Libgcrypt 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 this program; if not, see . */ #ifndef GCRY_ASM_COMMON_AARCH64_H #define GCRY_ASM_COMMON_AARCH64_H #include #ifdef HAVE_GCC_ASM_ELF_DIRECTIVES # define ELF(...) __VA_ARGS__ #else # define ELF(...) /*_*/ #endif -#define SECTION_RODATA .section .rodata +#ifdef _WIN32 +# define SECTION_RODATA .section .rdata +#else +# define SECTION_RODATA .section .rodata +#endif #ifdef __APPLE__ #define GET_DATA_POINTER(reg, name) \ adrp reg, name@GOTPAGE ; \ add reg, reg, name@GOTPAGEOFF ; #else #define GET_DATA_POINTER(reg, name) \ adrp reg, name ; \ add reg, reg, #:lo12:name ; #endif #ifdef HAVE_GCC_ASM_CFI_DIRECTIVES /* CFI directives to emit DWARF stack unwinding information. */ # define CFI_STARTPROC() .cfi_startproc # define CFI_ENDPROC() .cfi_endproc # define CFI_REMEMBER_STATE() .cfi_remember_state # define CFI_RESTORE_STATE() .cfi_restore_state # define CFI_ADJUST_CFA_OFFSET(off) .cfi_adjust_cfa_offset off # define CFI_REL_OFFSET(reg,off) .cfi_rel_offset reg, off # define CFI_DEF_CFA_REGISTER(reg) .cfi_def_cfa_register reg # define CFI_REGISTER(ro,rn) .cfi_register ro, rn # define CFI_RESTORE(reg) .cfi_restore reg /* CFA expressions are used for pointing CFA and registers to * SP relative offsets. */ # define DW_REGNO_SP 31 /* Fixed length encoding used for integers for now. */ # define DW_SLEB128_7BIT(value) \ 0x00|((value) & 0x7f) # define DW_SLEB128_28BIT(value) \ 0x80|((value)&0x7f), \ 0x80|(((value)>>7)&0x7f), \ 0x80|(((value)>>14)&0x7f), \ 0x00|(((value)>>21)&0x7f) # define CFI_CFA_ON_STACK(rsp_offs,cfa_depth) \ .cfi_escape \ 0x0f, /* DW_CFA_def_cfa_expression */ \ DW_SLEB128_7BIT(11), /* length */ \ 0x8f, /* DW_OP_breg31, rsp + constant */ \ DW_SLEB128_28BIT(rsp_offs), \ 0x06, /* DW_OP_deref */ \ 0x23, /* DW_OP_plus_constu */ \ DW_SLEB128_28BIT((cfa_depth)+8) # define CFI_REG_ON_STACK(regno,rsp_offs) \ .cfi_escape \ 0x10, /* DW_CFA_expression */ \ DW_SLEB128_7BIT(regno), \ DW_SLEB128_7BIT(5), /* length */ \ 0x8f, /* DW_OP_breg31, rsp + constant */ \ DW_SLEB128_28BIT(rsp_offs) #else # define CFI_STARTPROC() # define CFI_ENDPROC() # define CFI_REMEMBER_STATE() # define CFI_RESTORE_STATE() # define CFI_ADJUST_CFA_OFFSET(off) # define CFI_REL_OFFSET(reg,off) # define CFI_DEF_CFA_REGISTER(reg) # define CFI_REGISTER(ro,rn) # define CFI_RESTORE(reg) # define CFI_CFA_ON_STACK(rsp_offs,cfa_depth) # define CFI_REG_ON_STACK(reg,rsp_offs) #endif /* 'ret' instruction replacement for straight-line speculation mitigation */ #define ret_spec_stop \ ret; dsb sy; isb; #define CLEAR_REG(reg) movi reg.16b, #0; #define VPUSH_ABI \ stp d8, d9, [sp, #-16]!; \ CFI_ADJUST_CFA_OFFSET(16); \ stp d10, d11, [sp, #-16]!; \ CFI_ADJUST_CFA_OFFSET(16); \ stp d12, d13, [sp, #-16]!; \ CFI_ADJUST_CFA_OFFSET(16); \ stp d14, d15, [sp, #-16]!; \ CFI_ADJUST_CFA_OFFSET(16); #define VPOP_ABI \ ldp d14, d15, [sp], #16; \ CFI_ADJUST_CFA_OFFSET(-16); \ ldp d12, d13, [sp], #16; \ CFI_ADJUST_CFA_OFFSET(-16); \ ldp d10, d11, [sp], #16; \ CFI_ADJUST_CFA_OFFSET(-16); \ ldp d8, d9, [sp], #16; \ CFI_ADJUST_CFA_OFFSET(-16); #endif /* GCRY_ASM_COMMON_AARCH64_H */