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/* Internals of libgccjit: implementation of gcc_jit_result
Copyright (C) 2013-2023 Free Software Foundation, Inc.
Contributed by David Malcolm <dmalcolm@redhat.com>.
This file is part of GCC.
GCC 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, or (at your option)
any later version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "jit-common.h"
#include "jit-logging.h"
#include "jit-result.h"
#include "jit-tempdir.h"
#ifdef _WIN32
#include "jit-w32.h"
#endif
namespace gcc {
namespace jit {
/* Constructor for gcc::jit::result. */
result::
result(logger *logger, handle dso_handle, tempdir *tempdir_) :
log_user (logger),
m_dso_handle (dso_handle),
m_tempdir (tempdir_)
{
JIT_LOG_SCOPE (get_logger ());
}
/* gcc::jit::result's destructor.
Called implicitly by gcc_jit_result_release. */
result::~result()
{
JIT_LOG_SCOPE (get_logger ());
#ifdef _WIN32
FreeLibrary(m_dso_handle);
#else
dlclose (m_dso_handle);
#endif
/* Responsibility for cleaning up the tempdir (including "fake.so" within
the filesystem) might have been handed to us by the playback::context,
so that the cleanup can be delayed (see PR jit/64206).
If so, clean it up now. */
delete m_tempdir;
}
/* Attempt to locate the given function by name within the
playback::result, using dlsym.
Implements the post-error-checking part of
gcc_jit_result_get_code. */
void *
result::
get_code (const char *funcname)
{
JIT_LOG_SCOPE (get_logger ());
void *code;
#ifdef _WIN32
/* Clear any existing error. */
SetLastError(0);
code = (void *)GetProcAddress(m_dso_handle, funcname);
if (GetLastError() != 0) {
print_last_error ();
}
#else
const char *error;
/* Clear any existing error. */
dlerror ();
code = dlsym (m_dso_handle, funcname);
if ((error = dlerror()) != NULL) {
fprintf(stderr, "%s\n", error);
}
#endif
return code;
}
/* Attempt to locate the given global by name within the
playback::result, using dlsym.
Implements the post-error-checking part of
gcc_jit_result_get_global. */
void *
result::
get_global (const char *name)
{
JIT_LOG_SCOPE (get_logger ());
void *global;
#ifdef _WIN32
/* Clear any existing error. */
SetLastError(0);
global = (void *)GetProcAddress(m_dso_handle, name);
if (GetLastError() != 0) {
print_last_error ();
}
#else
const char *error;
/* Clear any existing error. */
dlerror ();
global = dlsym (m_dso_handle, name);
if ((error = dlerror()) != NULL) {
fprintf(stderr, "%s\n", error);
}
#endif
return global;
}
} // namespace gcc::jit
} // namespace gcc
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