94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/* Copyright 2013-2015 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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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "sym-file-loader.h"
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void
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gdb_add_symbol_file (void *addr, const char *file)
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{
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return;
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}
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void
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gdb_remove_symbol_file (void *addr)
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{
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return;
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}
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/* Load a shared library without relying on the standard
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loader to test GDB's commands for adding and removing
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symbol files at runtime. */
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int
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main (int argc, const char *argv[])
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{
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const char *file = SHLIB_NAME;
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struct library *lib;
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char *text_addr = NULL;
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int (*pbar) () = NULL;
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int (*pfoo) (int) = NULL;
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int (*pbaz) () = NULL;
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int i;
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lib = load_shlib (file);
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if (lib == NULL)
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return 1;
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if (get_text_addr (lib, (void **) &text_addr) != 0)
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return 1;
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gdb_add_symbol_file (text_addr, file);
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/* Call bar from SHLIB_NAME. */
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if (lookup_function (lib, "bar", (void *) &pbar) != 0)
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return 1;
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(*pbar) ();
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/* Call foo from SHLIB_NAME. */
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if (lookup_function (lib, "foo", (void *) &pfoo) != 0)
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return 1;
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(*pfoo) (2);
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/* Unload the library, invalidating all memory breakpoints. */
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unload_shlib (lib);
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/* Notify GDB to remove the symbol file. Also check that GDB
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doesn't complain that it can't remove breakpoints from the
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unmapped library. */
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gdb_remove_symbol_file (text_addr);
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/* Reload the library. */
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lib = load_shlib (file); /* reload lib here */
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if (lib == NULL)
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return 1;
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if (get_text_addr (lib, (void **) &text_addr) != 0)
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return 1;
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gdb_add_symbol_file (text_addr, file);
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if (lookup_function (lib, "baz", (void *) &pbaz) != 0)
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return 1;
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(*pbaz) ();
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return 0; /* end here */
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}
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