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5b6113d62e
This patch adds the ABI implementation for 32-bit RISC-V. It contains the Linux-specific and RISC-V architecture code. Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* The jump buffer constants for RISC-V.
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Copyright (C) 2020 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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<https://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",
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offsetof (struct __jmp_buf_tag, __mask_was_saved));
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printf ("#define SAVED_MASK_OFFSET %d\n",
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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 188
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# define JMP_BUF_ALIGN 4
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# define SIGJMP_BUF_SIZE 188
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# define SIGJMP_BUF_ALIGN 4
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# define MASK_WAS_SAVED_OFFSET 56
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# define SAVED_MASK_OFFSET 60
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#elif defined __riscv_float_abi_double
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# define JMP_BUF_SIZE 288
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# define JMP_BUF_ALIGN 8
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# define SIGJMP_BUF_SIZE 288
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# define SIGJMP_BUF_ALIGN 8
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# define MASK_WAS_SAVED_OFFSET 152
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# define SAVED_MASK_OFFSET 156
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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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