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Replace PREPARE_VERSION macro with inline function

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* sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION): Remove macro.
	(prepare_version_base): New helper inline function.
	(prepare_version): New macro replacing PREPARE_VERSION.
	(PREPARE_VERSION_KNOWN): Use prepare_version instead of PREPARE_VERSION.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Tobias Klauser 2019-06-28 08:46:00 -03:00 committed by Adhemerval Zanella
parent f0b2132b35
commit 589787f889
2 changed files with 16 additions and 9 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2019-06-28 Tobias Klauser <tklauser@distanz.ch>
* sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION): Remove macro.
(prepare_version_base): New helper inline function.
(prepare_version): New macro replacing PREPARE_VERSION.
(PREPARE_VERSION_KNOWN): Use prepare_version instead of PREPARE_VERSION.
2019-06-28 Florian Weimer <fweimer@redhat.com>
[BZ #24741]

18
sysdeps/unix/sysv/linux/dl-vdso.h
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@ -24,19 +24,19 @@
#include <dl-hash.h>
/* Create version number record for lookup. */
#define PREPARE_VERSION(var, vname, vhash) \
struct r_found_version var; \
var.name = vname; \
var.hidden = 1; \
var.hash = vhash; \
assert (var.hash == _dl_elf_hash (var.name)); \
/* We don't have a specific file where the symbol can be found. */ \
var.filename = NULL
static inline struct r_found_version
prepare_version_base (const char *name, ElfW(Word) hash)
{
assert (hash == _dl_elf_hash (name));
return (struct r_found_version) { name, hash, 1, NULL };
}
#define prepare_version(vname) \
prepare_version_base (VDSO_NAME_##vname, VDSO_HASH_##vname)
/* Use this for the known version sets defined below, where we
record their precomputed hash values only once, in this file. */
#define PREPARE_VERSION_KNOWN(var, vname) \
PREPARE_VERSION (var, VDSO_NAME_##vname, VDSO_HASH_##vname)
struct r_found_version var = prepare_version (vname);
#define VDSO_NAME_LINUX_2_6 "LINUX_2.6"
#define VDSO_HASH_LINUX_2_6 61765110