|
 |
a47951 |
Move _dl_dso_sort_algo out of _rtld_global_ro. It is only used
|
|
|
a47951 |
locally in elf/dl-sort-maps.c. This avoids changing the internal
|
|
|
a47951 |
_rtld_global_ro ABI.
|
|
|
a47951 |
|
|
|
a47951 |
diff --git a/elf/dl-sort-maps.c b/elf/dl-sort-maps.c
|
|
|
a47951 |
index 6f5c17b47b98fbc7..aeb79b40b45054c0 100644
|
|
|
a47951 |
--- a/elf/dl-sort-maps.c
|
|
|
a47951 |
+++ b/elf/dl-sort-maps.c
|
|
|
a47951 |
@@ -290,12 +290,21 @@ _dl_sort_maps_dfs (struct link_map **maps, unsigned int nmaps,
|
|
|
a47951 |
}
|
|
|
a47951 |
}
|
|
|
a47951 |
|
|
|
a47951 |
+/* DSO sort algorithm to use. */
|
|
|
a47951 |
+enum dso_sort_algorithm
|
|
|
a47951 |
+ {
|
|
|
a47951 |
+ dso_sort_algorithm_original,
|
|
|
a47951 |
+ dso_sort_algorithm_dfs
|
|
|
a47951 |
+ };
|
|
|
a47951 |
+
|
|
|
a47951 |
+static enum dso_sort_algorithm _dl_dso_sort_algo;
|
|
|
a47951 |
+
|
|
|
a47951 |
void
|
|
|
a47951 |
_dl_sort_maps_init (void)
|
|
|
a47951 |
{
|
|
|
a47951 |
int32_t algorithm = TUNABLE_GET (glibc, rtld, dynamic_sort, int32_t, NULL);
|
|
|
a47951 |
- GLRO(dl_dso_sort_algo) = algorithm == 1 ? dso_sort_algorithm_original
|
|
|
a47951 |
- : dso_sort_algorithm_dfs;
|
|
|
a47951 |
+ _dl_dso_sort_algo = (algorithm == 1 ? dso_sort_algorithm_original
|
|
|
a47951 |
+ : dso_sort_algorithm_dfs);
|
|
|
a47951 |
}
|
|
|
a47951 |
|
|
|
a47951 |
void
|
|
|
a47951 |
@@ -309,7 +318,7 @@ _dl_sort_maps (struct link_map **maps, unsigned int nmaps,
|
|
|
a47951 |
PTR_MANGLE/DEMANGLE, further impairing performance of small, common
|
|
|
a47951 |
input cases. A simple if-case with direct function calls appears to
|
|
|
a47951 |
be the fastest. */
|
|
|
a47951 |
- if (__glibc_likely (GLRO(dl_dso_sort_algo) == dso_sort_algorithm_original))
|
|
|
a47951 |
+ if (__glibc_likely (_dl_dso_sort_algo == dso_sort_algorithm_original))
|
|
|
a47951 |
_dl_sort_maps_original (maps, nmaps, force_first, for_fini);
|
|
|
a47951 |
else
|
|
|
a47951 |
_dl_sort_maps_dfs (maps, nmaps, force_first, for_fini);
|
|
|
a47951 |
diff --git a/elf/dl-support.c b/elf/dl-support.c
|
|
|
a47951 |
index ae03aec9764e29d3..e9943e889ef447ad 100644
|
|
|
a47951 |
--- a/elf/dl-support.c
|
|
|
a47951 |
+++ b/elf/dl-support.c
|
|
|
a47951 |
@@ -155,8 +155,6 @@ size_t _dl_phnum;
|
|
|
a47951 |
uint64_t _dl_hwcap __attribute__ ((nocommon));
|
|
|
a47951 |
uint64_t _dl_hwcap2 __attribute__ ((nocommon));
|
|
|
a47951 |
|
|
|
a47951 |
-enum dso_sort_algorithm _dl_dso_sort_algo;
|
|
|
a47951 |
-
|
|
|
a47951 |
/* The value of the FPU control word the kernel will preset in hardware. */
|
|
|
a47951 |
fpu_control_t _dl_fpu_control = _FPU_DEFAULT;
|
|
|
a47951 |
|
|
|
a47951 |
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
|
|
|
a47951 |
index 2c1b4c47c6a6c643..29bbde3e83e37d7e 100644
|
|
|
a47951 |
--- a/sysdeps/generic/ldsodefs.h
|
|
|
a47951 |
+++ b/sysdeps/generic/ldsodefs.h
|
|
|
a47951 |
@@ -240,13 +240,6 @@ enum allowmask
|
|
|
a47951 |
};
|
|
|
a47951 |
|
|
|
a47951 |
|
|
|
a47951 |
-/* DSO sort algorithm to use (check dl-sort-maps.c). */
|
|
|
a47951 |
-enum dso_sort_algorithm
|
|
|
a47951 |
- {
|
|
|
a47951 |
- dso_sort_algorithm_original,
|
|
|
a47951 |
- dso_sort_algorithm_dfs
|
|
|
a47951 |
- };
|
|
|
a47951 |
-
|
|
|
a47951 |
struct audit_ifaces
|
|
|
a47951 |
{
|
|
|
a47951 |
void (*activity) (uintptr_t *, unsigned int);
|
|
|
a47951 |
@@ -640,8 +633,6 @@ struct rtld_global_ro
|
|
|
a47951 |
platforms. */
|
|
|
a47951 |
EXTERN uint64_t _dl_hwcap2;
|
|
|
a47951 |
|
|
|
a47951 |
- EXTERN enum dso_sort_algorithm _dl_dso_sort_algo;
|
|
|
a47951 |
-
|
|
|
a47951 |
#ifdef SHARED
|
|
|
a47951 |
/* We add a function table to _rtld_global which is then used to
|
|
|
a47951 |
call the function instead of going through the PLT. The result
|