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author | nwhitehorn <nwhitehorn@FreeBSD.org> | 2013-02-08 17:44:44 +0000 |
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committer | nwhitehorn <nwhitehorn@FreeBSD.org> | 2013-02-08 17:44:44 +0000 |
commit | c07bb76c815a46c63cee793a7854e7af28791eda (patch) | |
tree | c67502e9dba797a7cf688c57bfcbe0e834594f1f /libexec/rtld-elf/powerpc64/reloc.c | |
parent | dfffe11d71ac60fa90737e21a2b32754c602f2b9 (diff) | |
download | FreeBSD-src-c07bb76c815a46c63cee793a7854e7af28791eda.zip FreeBSD-src-c07bb76c815a46c63cee793a7854e7af28791eda.tar.gz |
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
Diffstat (limited to 'libexec/rtld-elf/powerpc64/reloc.c')
-rw-r--r-- | libexec/rtld-elf/powerpc64/reloc.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/libexec/rtld-elf/powerpc64/reloc.c b/libexec/rtld-elf/powerpc64/reloc.c index b13500f..fb5325f 100644 --- a/libexec/rtld-elf/powerpc64/reloc.c +++ b/libexec/rtld-elf/powerpc64/reloc.c @@ -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); |