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76 lines
2.4 KiB
76 lines
2.4 KiB
2 years ago
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commit 94b63e66206a9ad38872a9136a623ce73cf7c858
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Thu Feb 7 09:02:00 2019 +0100
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support: Implement xdlmopen
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Put xdlmopen into its own file, to avoid disturbing static linking
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tests (where dlmopen pulls in additional code).
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diff --git a/support/Makefile b/support/Makefile
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index 5808a42dce87151f..895b83a426369b0c 100644
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--- a/support/Makefile
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+++ b/support/Makefile
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@@ -86,6 +86,7 @@ libsupport-routines = \
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xconnect \
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xcopy_file_range \
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xdlfcn \
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+ xdlmopen \
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xdup2 \
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xfclose \
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xfopen \
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diff --git a/support/xdlfcn.h b/support/xdlfcn.h
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index ab1cbb3cb9bb1cc7..a53fb61b133af5c3 100644
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--- a/support/xdlfcn.h
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+++ b/support/xdlfcn.h
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@@ -25,11 +25,11 @@ __BEGIN_DECLS
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/* Each of these terminates process on failure with relevant error message. */
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void *xdlopen (const char *filename, int flags);
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+void *xdlmopen (Lmid_t lmid, const char *filename, int flags);
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void *xdlsym (void *handle, const char *symbol);
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void *xdlvsym (void *handle, const char *symbol, const char *version);
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void xdlclose (void *handle);
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-
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__END_DECLS
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#endif /* SUPPORT_DLOPEN_H */
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diff --git a/support/xdlmopen.c b/support/xdlmopen.c
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new file mode 100644
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index 0000000000000000..9a39ba8801eb1617
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--- /dev/null
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+++ b/support/xdlmopen.c
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@@ -0,0 +1,31 @@
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+/* dlmopen with error checking.
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+ Copyright (C) 2017-2019 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library 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 GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#include <support/check.h>
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+#include <support/xdlfcn.h>
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+
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+void *
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+xdlmopen (Lmid_t lmid, const char *filename, int flags)
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+{
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+ void *dso = dlmopen (lmid, filename, flags);
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+
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+ if (dso == NULL)
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+ FAIL_EXIT1 ("error: dlmopen: %s\n", dlerror ());
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+
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+ return dso;
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+}
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