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/* Copyright (C) 2009-2016 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#include JIT_READER_H /* Please see jit-reader.exp for an explanation. */
#include "jithost.h"
#include "jit-protocol.h"
void __attribute__((noinline)) __jit_debug_register_code () { }
struct jit_descriptor __jit_debug_descriptor = { 1, 0, 0, 0 };
struct jit_code_entry only_entry;
typedef void (jit_function_t) ();
int main (int argc, char **argv)
{
char *code = mmap (NULL, getpagesize (), PROT_WRITE | PROT_EXEC,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
jit_function_t *function = (jit_function_t *) code;
code[0] = 0xcc; /* SIGTRAP */
code[1] = 0xc3; /* RET */
struct jithost_abi *symfile = malloc (sizeof (struct jithost_abi));
symfile->begin = code;
symfile->end = code + 2;
only_entry.symfile_addr = symfile;
only_entry.symfile_size = sizeof (struct jithost_abi);
__jit_debug_descriptor.first_entry = &only_entry;
__jit_debug_descriptor.relevant_entry = &only_entry;
__jit_debug_descriptor.action_flag = JIT_REGISTER;
__jit_debug_descriptor.version = 1;
__jit_debug_register_code ();
function ();
return 0;
}
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