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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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61
sysdeps/unix/sysv/linux/loongarch/sys/ucontext.h Normal file
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/* struct ucontext definition.
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/>. */
/* Don't rely on this, the interface is currently messed up and may need to
be broken to be fixed. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <bits/types/sigset_t.h>
#include <bits/types/stack_t.h>
#ifdef __USE_MISC
#define LARCH_NGREG 32
#define LARCH_REG_RA 1
#define LARCH_REG_SP 3
#define LARCH_REG_S0 23
#define LARCH_REG_S1 24
#define LARCH_REG_A0 4
#define LARCH_REG_S2 25
#define LARCH_REG_NARGS 8
#endif
typedef struct mcontext_t
{
unsigned long long __pc;
unsigned long long __gregs[32];
unsigned int __flags;
unsigned long long __extcontext[0] __attribute__((__aligned__(16)));
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext_t
{
unsigned long int __uc_flags;
struct ucontext_t *uc_link;
stack_t uc_stack;
sigset_t uc_sigmask;
mcontext_t uc_mcontext;
} ucontext_t;
#endif /* sys/ucontext.h */

42
sysdeps/unix/sysv/linux/loongarch/sys/user.h Normal file
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/* struct user_regs_struct definition for LoongArch.
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_USER_H
#define _SYS_USER_H 1
#include <stdint.h>
struct user_regs_struct
{
/* Saved main processor registers. */
uint64_t regs[32];
/* Saved special registers. */
uint64_t orig_a0;
uint64_t csr_era;
uint64_t csr_badv;
uint64_t reserved[10];
};
struct user_fp_struct {
uint64_t fpr[32];
uint64_t fcc;
uint32_t fcsr;
};
#endif /* _SYS_USER_H */