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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2021-2022 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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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <stdio.h>
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/* These will hold the addresses for two memory regions. */
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void *region_1;
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void *region_2;
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/* Allocate a page of memory using mmap, and return a pointer. */
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void *
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allocate_page (void)
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{
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void *addr;
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int pgsize = sysconf(_SC_PAGE_SIZE);
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addr = mmap (NULL, pgsize, PROT_EXEC | PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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if (addr == MAP_FAILED)
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perror ("mmap");
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}
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/* Only called so we can create a breakpoint. */
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void
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breakpt (void)
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{
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/* Nothing. */
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}
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/* The test. */
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int
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main (void)
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{
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region_1 = allocate_page ();
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region_2 = allocate_page ();
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breakpt (); /* Break Here. */
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}
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