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(_dl_init): Fix test of the size of the preinit_array section. (call_init): Optimize access to DT_INIT_ARRAY entry a bit.

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This commit is contained in:
Ulrich Drepper 2002-09-20 23:56:18 +00:00
parent b80a3db02e
commit 53fe275883
1 changed files with 7 additions and 6 deletions
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13
elf/dl-init.c
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@ -69,7 +69,8 @@ call_init (struct link_map *l, int argc, char **argv, char **env)
}
/* Next see whether there is an array with initialization functions. */
if (l->l_info[DT_INIT_ARRAY] != NULL)
ElfW(Dyn) *init_array = l->l_info[DT_INIT_ARRAY];
if (init_array != NULL)
{
unsigned int j;
unsigned int jm;
@ -77,8 +78,7 @@ call_init (struct link_map *l, int argc, char **argv, char **env)
jm = l->l_info[DT_INIT_ARRAYSZ]->d_un.d_val / sizeof (ElfW(Addr));
addrs = (ElfW(Addr) *) (l->l_info[DT_INIT_ARRAY]->d_un.d_ptr
+ l->l_addr);
addrs = (ElfW(Addr) *) (init_array->d_un.d_ptr + l->l_addr);
for (j = 0; j < jm; ++j)
((init_t) addrs[j]) (argc, argv, env);
}
@ -90,6 +90,7 @@ internal_function
_dl_init (struct link_map *main_map, int argc, char **argv, char **env)
{
ElfW(Dyn) *preinit_array = main_map->l_info[DT_PREINIT_ARRAY];
ElfW(Dyn) *preinit_array_size = main_map->l_info[DT_PREINIT_ARRAYSZ];
struct r_debug *r;
unsigned int i;
@ -101,7 +102,8 @@ _dl_init (struct link_map *main_map, int argc, char **argv, char **env)
/* Don't do anything if there is no preinit array. */
if (__builtin_expect (preinit_array != NULL, 0)
&& (i = preinit_array->d_un.d_val / sizeof (ElfW(Addr))) > 0)
&& preinit_array_size != NULL
&& (i = preinit_array_size->d_un.d_val / sizeof (ElfW(Addr))) > 0)
{
ElfW(Addr) *addrs;
unsigned int cnt;
@ -111,8 +113,7 @@ _dl_init (struct link_map *main_map, int argc, char **argv, char **env)
main_map->l_name[0]
? main_map->l_name : rtld_progname);
addrs = (ElfW(Addr) *) (main_map->l_info[DT_PREINIT_ARRAY]->d_un.d_ptr
+ main_map->l_addr);
addrs = (ElfW(Addr) *) (preinit_array->d_un.d_ptr + main_map->l_addr);
for (cnt = 0; cnt < i; ++cnt)
((init_t) addrs[cnt]) (argc, argv, env);
}