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LoongArch: Linux ABI

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This commit is contained in:
caiyinyu
2022-07-19 09:20:51 +08:00
committed by Adhemerval Zanella
parent 45955fe618
commit f2037efbb3
17 changed files with 826 additions and 0 deletions
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52
sysdeps/unix/sysv/linux/loongarch/bits/procfs.h Normal file
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/* Types for registers for sys/procfs.h.
Copyright (C) 2022 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_PROCFS_H
# error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
#endif
/* Type for a general-purpose register. */
typedef __uint64_t elf_greg_t;
/* And the whole bunch of them. We could have used `struct
pt_regs' directly in the typedef, but tradition says that
the register set is an array, which does have some peculiar
semantics, so leave it that way. */
#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof (elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
#define ELF_NFPREG 34 /* 32 FPRs + 8-byte byte-vec for fcc + 4-byte FCR */
typedef union
{
double d;
float f;
} elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
typedef union
{
double d[2];
float f[4];
} __attribute__ ((__aligned__ (16))) elf_lsxregset_t[32];
typedef union
{
double d[4];
float f[8];
} __attribute__ ((__aligned__ (32))) elf_lasxregset_t[32];