multi-arch glibc headers
This commit is contained in:
Andrew Kelley
63
libc/include/riscv64-linux-gnu/sys/asm.h
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63
libc/include/riscv64-linux-gnu/sys/asm.h
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/* Miscellaneous macros.
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Copyright (C) 2000-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_ASM_H
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#define _SYS_ASM_H
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/* Macros to handle different pointer/register sizes for 32/64-bit code. */
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#if __riscv_xlen == 64
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# define PTRLOG 3
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# define SZREG 8
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# define REG_S sd
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# define REG_L ld
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#elif __riscv_xlen == 32
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# error "rv32i-based targets are not supported"
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#else
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# error __riscv_xlen must equal 32 or 64
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#endif
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#if !defined __riscv_float_abi_soft
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/* For ABI uniformity, reserve 8 bytes for floats, even if double-precision
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floating-point is not supported in hardware. */
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# if defined __riscv_float_abi_double
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# define FREG_L fld
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# define FREG_S fsd
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# define SZFREG 8
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# else
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# error unsupported FLEN
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# endif
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#endif
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/* Declare leaf routine. */
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#define LEAF(symbol) \
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.globl symbol; \
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.align 2; \
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.type symbol,@function; \
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symbol: \
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cfi_startproc;
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/* Mark end of function. */
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#undef END
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#define END(function) \
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cfi_endproc; \
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.size function,.-function
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/* Stack alignment. */
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#define ALMASK ~15
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#endif /* sys/asm.h */
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32
libc/include/riscv64-linux-gnu/sys/cachectl.h
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32
libc/include/riscv64-linux-gnu/sys/cachectl.h
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/* RISC-V instruction cache flushing interface
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Copyright (C) 2017-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_CACHECTL_H
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#define _SYS_CACHECTL_H 1
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#include <features.h>
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__BEGIN_DECLS
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extern int __riscv_flush_icache (void *__start, void *__end,
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unsigned long int __flags);
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__END_DECLS
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#endif /* sys/cachectl.h */
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110
libc/include/riscv64-linux-gnu/sys/ucontext.h
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libc/include/riscv64-linux-gnu/sys/ucontext.h
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/* struct ucontext definition, RISC-V version.
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Copyright (C) 1997-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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/* Don't rely on this, the interface is currently messed up and may need to
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be broken to be fixed. */
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#ifndef _SYS_UCONTEXT_H
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#define _SYS_UCONTEXT_H 1
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#include <features.h>
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#include <bits/types/sigset_t.h>
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#include <bits/types/stack_t.h>
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typedef unsigned long int __riscv_mc_gp_state[32];
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#ifdef __USE_MISC
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# define NGREG 32
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# define REG_PC 0
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# define REG_RA 1
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# define REG_SP 2
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# define REG_TP 4
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# define REG_S0 8
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# define REG_S1 9
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# define REG_A0 10
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# define REG_S2 18
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# define REG_NARGS 8
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typedef unsigned long int greg_t;
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/* Container for all general registers. */
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typedef __riscv_mc_gp_state gregset_t;
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/* Container for floating-point state. */
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typedef union __riscv_mc_fp_state fpregset_t;
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#endif
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struct __riscv_mc_f_ext_state
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{
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unsigned int __f[32];
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unsigned int __fcsr;
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};
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struct __riscv_mc_d_ext_state
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{
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unsigned long long int __f[32];
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unsigned int __fcsr;
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};
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struct __riscv_mc_q_ext_state
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{
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unsigned long long int __f[64] __attribute__ ((__aligned__ (16)));
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unsigned int __fcsr;
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/* Reserved for expansion of sigcontext structure. Currently zeroed
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upon signal, and must be zero upon sigreturn. */
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unsigned int __glibc_reserved[3];
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};
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union __riscv_mc_fp_state
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{
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struct __riscv_mc_f_ext_state __f;
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struct __riscv_mc_d_ext_state __d;
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struct __riscv_mc_q_ext_state __q;
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};
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typedef struct mcontext_t
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{
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__riscv_mc_gp_state __gregs;
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union __riscv_mc_fp_state __fpregs;
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} mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext_t
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{
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unsigned long int __uc_flags;
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struct ucontext_t *uc_link;
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stack_t uc_stack;
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sigset_t uc_sigmask;
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/* There's some padding here to allow sigset_t to be expanded in the
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future. Though this is unlikely, other architectures put uc_sigmask
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at the end of this structure and explicitly state it can be
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expanded, so we didn't want to box ourselves in here. */
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char __glibc_reserved[1024 / 8 - sizeof (sigset_t)];
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/* We can't put uc_sigmask at the end of this structure because we need
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to be able to expand sigcontext in the future. For example, the
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vector ISA extension will almost certainly add ISA state. We want
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to ensure all user-visible ISA state can be saved and restored via a
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ucontext, so we're putting this at the end in order to allow for
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infinite extensibility. Since we know this will be extended and we
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assume sigset_t won't be extended an extreme amount, we're
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prioritizing this. */
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mcontext_t uc_mcontext;
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} ucontext_t;
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#endif /* sys/ucontext.h */
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23
libc/include/riscv64-linux-gnu/sys/user.h
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23
libc/include/riscv64-linux-gnu/sys/user.h
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@@ -0,0 +1,23 @@
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/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_USER_H
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#define _SYS_USER_H 1
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#endif /* _SYS_USER_H */
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