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7f33b09c65
Linux-specific code that is required for maintaining ABI compatibility.
This doesn't contain the actual system call interface, that is split out
in order to avoid having a patch that's too big.
2018-01-29 Palmer Dabbelt <palmer@sifive.com>
* sysdeps/riscv/nptl/pthread-offsets.h: New file.
* sysdeps/riscv/nptl/pthreaddef.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/mman.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/sigcontext.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/dl-cache.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/flush-icache.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/getcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/makecontext.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/readelflib.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/register-dump.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/setcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/sigcontextinfo.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/swapcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/cachectl.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/procfs.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/user.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/ucontext-macros.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/ucontext_i.sym: Likewise.
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/* jump buffer constants for RISC-V
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Copyright (C) 2017-2018 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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/* Produced by this program:
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#include <stdio.h>
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#include <unistd.h>
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#include <setjmp.h>
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#include <stddef.h>
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int main (int argc, char **argv)
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{
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printf ("#define JMP_BUF_SIZE %d\n", sizeof (jmp_buf));
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printf ("#define JMP_BUF_ALIGN %d\n", __alignof__ (jmp_buf));
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printf ("#define SIGJMP_BUF_SIZE %d\n", sizeof (sigjmp_buf));
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printf ("#define SIGJMP_BUF_ALIGN %d\n", __alignof__ (sigjmp_buf));
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printf ("#define MASK_WAS_SAVED_OFFSET %d\n", offsetof (struct __jmp_buf_tag, __mask_was_saved));
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printf ("#define SAVED_MASK_OFFSET %d\n", offsetof (struct __jmp_buf_tag, __saved_mask));
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} */
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#if defined __riscv_float_abi_soft
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# define JMP_BUF_SIZE 248
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# define JMP_BUF_ALIGN 8
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# define SIGJMP_BUF_SIZE 248
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# define SIGJMP_BUF_ALIGN 8
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# define MASK_WAS_SAVED_OFFSET 112
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# define SAVED_MASK_OFFSET 120
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#elif defined __riscv_float_abi_double
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# define JMP_BUF_SIZE 344
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# define JMP_BUF_ALIGN 8
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# define SIGJMP_BUF_SIZE 344
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# define SIGJMP_BUF_ALIGN 8
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# define MASK_WAS_SAVED_OFFSET 208
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# define SAVED_MASK_OFFSET 216
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#else
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# error "Unknown RISC-V floating-point ABI"
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#endif
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