derek.holloway
7502bf64a4
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74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* This file is part of GDB, the GNU debugger.
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Copyright 2024 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#define TEST_STRING "Just a test string."
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#define BUF_SIZE sizeof(TEST_STRING)
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int
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main (void)
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{
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char source[BUF_SIZE] = TEST_STRING;
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char dest[BUF_SIZE];
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char *p, *q;
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long size, zero;
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/* Note: The prfm instruction in the asm statements below is there just
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to allow the testcase to recognize when the PC is at the instruction
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right after the MOPS sequence. */
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p = dest;
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size = sizeof (dest);
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zero = 0;
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/* Break memset. */
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/* memset implemented in MOPS instructions. */
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__asm__ volatile ("setp [%0]!, %1!, %2\n\t"
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"setm [%0]!, %1!, %2\n\t"
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"sete [%0]!, %1!, %2\n\t"
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"prfm pldl3keep, [%0, #0]\n\t"
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: "+&r"(p), "+&r"(size)
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: "r"(zero)
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: "memory");
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p = dest;
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q = source;
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size = sizeof (dest);
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/* Break memcpy. */
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/* memcpy implemented in MOPS instructions. */
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__asm__ volatile ("cpyfp [%0]!, [%1]!, %2!\n\t"
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"cpyfm [%0]!, [%1]!, %2!\n\t"
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"cpyfe [%0]!, [%1]!, %2!\n\t"
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"prfm pldl3keep, [%0, #0]\n\t"
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: "+&r" (p), "+&r" (q), "+&r" (size)
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:
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: "memory");
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p = dest;
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q = source;
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size = sizeof (dest);
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/* Break memmove. */
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/* memmove implemented in MOPS instructions. */
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__asm__ volatile ("cpyp [%0]!, [%1]!, %2!\n\t"
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"cpym [%0]!, [%1]!, %2!\n\t"
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"cpye [%0]!, [%1]!, %2!\n\t"
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"prfm pldl3keep, [%0, #0]\n\t"
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: "+&r" (p), "+&r" (q), "+&r" (size)
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:
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: "memory");
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return 0;
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}
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