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D54711.1774927000.diff
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D54711.1774927000.diff
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diff --git a/libexec/rtld-elf/rtld.h b/libexec/rtld-elf/rtld.h
--- a/libexec/rtld-elf/rtld.h
+++ b/libexec/rtld-elf/rtld.h
@@ -212,11 +212,11 @@
Ver_Entry *vertab; /* Versions required /defined by this object */
int vernum; /* Number of entries in vertab */
- Elf_Addr init; /* Initialization function to call */
- Elf_Addr fini; /* Termination function to call */
- Elf_Addr preinit_array; /* Pre-initialization array of functions */
- Elf_Addr init_array; /* Initialization array of functions */
- Elf_Addr fini_array; /* Termination array of functions */
+ uintptr_t init; /* Initialization function to call */
+ uintptr_t fini; /* Termination function to call */
+ uintptr_t *preinit_array; /* Pre-initialization array of functions */
+ uintptr_t *init_array; /* Initialization array of functions */
+ uintptr_t *fini_array; /* Termination array of functions */
int preinit_array_num; /* Number of entries in preinit_array */
int init_array_num; /* Number of entries in init_array */
int fini_array_num; /* Number of entries in fini_array */
diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c
--- a/libexec/rtld-elf/rtld.c
+++ b/libexec/rtld-elf/rtld.c
@@ -978,9 +978,9 @@
* functions for binaries linked with old crt1 which calls
* _init itself.
*/
- obj_main->init = obj_main->fini = (Elf_Addr)NULL;
+ obj_main->init = obj_main->fini = 0;
obj_main->preinit_array = obj_main->init_array =
- obj_main->fini_array = (Elf_Addr)NULL;
+ obj_main->fini_array = NULL;
}
if (direct_exec) {
@@ -1499,43 +1499,43 @@
break;
case DT_INIT:
- obj->init = (Elf_Addr)(obj->relocbase +
+ obj->init = (uintptr_t)(obj->relocbase +
dynp->d_un.d_ptr);
break;
case DT_PREINIT_ARRAY:
- obj->preinit_array = (Elf_Addr)(obj->relocbase +
+ obj->preinit_array = (uintptr_t *)(obj->relocbase +
dynp->d_un.d_ptr);
break;
case DT_PREINIT_ARRAYSZ:
obj->preinit_array_num = dynp->d_un.d_val /
- sizeof(Elf_Addr);
+ sizeof(uintptr_t);
break;
case DT_INIT_ARRAY:
- obj->init_array = (Elf_Addr)(obj->relocbase +
+ obj->init_array = (uintptr_t *)(obj->relocbase +
dynp->d_un.d_ptr);
break;
case DT_INIT_ARRAYSZ:
obj->init_array_num = dynp->d_un.d_val /
- sizeof(Elf_Addr);
+ sizeof(uintptr_t);
break;
case DT_FINI:
- obj->fini = (Elf_Addr)(obj->relocbase +
+ obj->fini = (uintptr_t)(obj->relocbase +
dynp->d_un.d_ptr);
break;
case DT_FINI_ARRAY:
- obj->fini_array = (Elf_Addr)(obj->relocbase +
+ obj->fini_array = (uintptr_t *)(obj->relocbase +
dynp->d_un.d_ptr);
break;
case DT_FINI_ARRAYSZ:
obj->fini_array_num = dynp->d_un.d_val /
- sizeof(Elf_Addr);
+ sizeof(uintptr_t);
break;
case DT_DEBUG:
@@ -2599,8 +2599,7 @@
STAILQ_FOREACH(tmp, &iflist, link) {
Obj_Entry *tobj = tmp->obj;
- if ((tobj->fini != (Elf_Addr)NULL ||
- tobj->fini_array != (Elf_Addr)NULL) &&
+ if ((tobj->fini != 0 || tobj->fini_array != NULL) &&
!tobj->on_fini_list) {
objlist_push_tail(&list_fini, tobj);
tobj->on_fini_list = true;
@@ -2672,8 +2671,7 @@
* Add the object to the global fini list in the
* reverse order.
*/
- if ((obj->fini != (Elf_Addr)NULL ||
- obj->fini_array != (Elf_Addr)NULL) &&
+ if ((obj->fini != 0 || obj->fini_array != NULL) &&
!obj->on_fini_list) {
objlist_push_head(&list_fini, obj);
obj->on_fini_list = true;
@@ -3075,10 +3073,10 @@
static void
preinit_main(void)
{
- Elf_Addr *preinit_addr;
+ uintptr_t *preinit_addr;
int index;
- preinit_addr = (Elf_Addr *)obj_main->preinit_array;
+ preinit_addr = obj_main->preinit_array;
if (preinit_addr == NULL)
return;
@@ -3105,7 +3103,7 @@
{
Objlist_Entry *elm;
struct dlerror_save *saved_msg;
- Elf_Addr *fini_addr;
+ uintptr_t *fini_addr;
int index;
assert(root == NULL || root->refcount == 1);
@@ -3138,7 +3136,7 @@
* defined. When this happens, DT_FINI_ARRAY is
* processed first.
*/
- fini_addr = (Elf_Addr *)elm->obj->fini_array;
+ fini_addr = elm->obj->fini_array;
if (fini_addr != NULL && elm->obj->fini_array_num > 0) {
for (index = elm->obj->fini_array_num - 1;
index >= 0; index--) {
@@ -3156,7 +3154,7 @@
}
}
}
- if (elm->obj->fini != (Elf_Addr)NULL) {
+ if (elm->obj->fini != 0) {
dbg("calling fini function for %s at %p",
elm->obj->path, (void *)elm->obj->fini);
LD_UTRACE(UTRACE_FINI_CALL, elm->obj,
@@ -3192,7 +3190,7 @@
Objlist_Entry *elm;
Obj_Entry *obj;
struct dlerror_save *saved_msg;
- Elf_Addr *init_addr;
+ uintptr_t *init_addr;
void (*reg)(void (*)(void));
int index;
@@ -3237,14 +3235,14 @@
* It is legal to have both DT_INIT and DT_INIT_ARRAY defined.
* When this happens, DT_INIT is processed first.
*/
- if (elm->obj->init != (Elf_Addr)NULL) {
+ if (elm->obj->init != 0) {
dbg("calling init function for %s at %p",
elm->obj->path, (void *)elm->obj->init);
LD_UTRACE(UTRACE_INIT_CALL, elm->obj,
(void *)elm->obj->init, 0, 0, elm->obj->path);
call_init_pointer(elm->obj, elm->obj->init);
}
- init_addr = (Elf_Addr *)elm->obj->init_array;
+ init_addr = elm->obj->init_array;
if (init_addr != NULL) {
for (index = 0; index < elm->obj->init_array_num;
index++) {
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D54711.1774927000.diff (5 KB)
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D54711: rtld: Use uintptr_t instead of Elf_Addr for init/fini function pointers
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