Avoid use of register variables, which some compilers (e.g. clang)

don't like. It makes the code a little clearer as well.

MFC after:	1 week
This commit is contained in:
Nathan Whitehorn 2013-02-08 17:44:44 +00:00
parent 00efd852cc
commit 746ae9df1f

View File

@ -486,8 +486,7 @@ init_pltgot(Obj_Entry *obj)
void
allocate_initial_tls(Obj_Entry *list)
{
register Elf_Addr **tp __asm__("r13");
Elf_Addr **_tp;
Elf_Addr **tp;
/*
* Fix the size of the static TLS block by using the maximum
@ -497,22 +496,19 @@ allocate_initial_tls(Obj_Entry *list)
tls_static_space = tls_last_offset + tls_last_size + RTLD_STATIC_TLS_EXTRA;
_tp = (Elf_Addr **) ((char *)allocate_tls(list, NULL, TLS_TCB_SIZE, 16)
tp = (Elf_Addr **) ((char *)allocate_tls(list, NULL, TLS_TCB_SIZE, 16)
+ TLS_TP_OFFSET + TLS_TCB_SIZE);
/*
* XXX gcc seems to ignore 'tp = _tp;'
*/
__asm __volatile("mr %0,%1" : "=r"(tp) : "r"(_tp));
__asm __volatile("mr 13,%0" :: "r"(tp));
}
void*
__tls_get_addr(tls_index* ti)
{
register Elf_Addr **tp __asm__("r13");
Elf_Addr **tp;
char *p;
__asm __volatile("mr %0,13" : "=r"(tp));
p = tls_get_addr_common((Elf_Addr**)((Elf_Addr)tp - TLS_TP_OFFSET
- TLS_TCB_SIZE), ti->ti_module, ti->ti_offset);