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/* Miscellaneous macros.
Copyright (C) 2022-2024 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
<https://www.gnu.org/licenses/>. */
#ifndef _SYS_ASM_H
#define _SYS_ASM_H
#include <sys/regdef.h>
#include <sysdeps/generic/sysdep.h>
/* Macros to handle different pointer/register sizes for 32/64-bit code. */
#define SZREG 8
#define SZFREG 8
#define SZFCSREG 4
#define SZVREG 16
#define SZXREG 32
#define REG_L ld.d
#define REG_S st.d
#define SRLI srli.d
#define SLLI slli.d
#define ADDI addi.d
#define ADD add.d
#define SUB sub.d
#define BSTRINS bstrins.d
#define LI li.d
#define FREG_L fld.d
#define FREG_S fst.d
/* Declare leaf routine.
The usage of macro LEAF/ENTRY is as follows:
1. LEAF(fcn) -- the align value of fcn is .align 3 (default value)
2. LEAF(fcn, 6) -- the align value of fcn is .align 6
*/
#define LEAF_IMPL(symbol, aln, ...) \
.text; \
.globl symbol; \
.align aln; \
.type symbol, @function; \
symbol: \
cfi_startproc;
#define LEAF(...) LEAF_IMPL(__VA_ARGS__, 3)
#define ENTRY(...) LEAF(__VA_ARGS__)
#define LEAF_NO_ALIGN(symbol) \
.text; \
.globl symbol; \
.type symbol, @function; \
symbol: \
cfi_startproc;
#define ENTRY_NO_ALIGN(symbol) LEAF_NO_ALIGN(symbol)
/* Mark end of function. */
#undef END
#define END(function) \
cfi_endproc; \
.size function, .- function;
/* Stack alignment. */
#define ALMASK ~15
#endif /* sys/asm.h */
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