diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/dl-machine.h | 16 |
2 files changed, 19 insertions, 5 deletions
@@ -1,3 +1,11 @@ +2008-01-24 Steven Munroe <sjmunroe@us.ibm.com> + + [BZ #5741] + * sysdeps/powerpc/powerpc64/dl-machine.h (PPC_DCBT, PPC_DCBF): + Define additonal Data Cache Block instruction macros. + (elf_machine_fixup_plt): Add dcbt for opd and plt entries. + Replace dcbst with dcbf and sync with sync/isync. + 2008-02-21 Alan Modra <amodra@bigpond.net.au> * sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_type_class): diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h index c837393d79..b674dbef43 100644 --- a/sysdeps/powerpc/powerpc64/dl-machine.h +++ b/sysdeps/powerpc/powerpc64/dl-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent ELF dynamic relocation inline functions. PowerPC64 version. - Copyright 1995-2005, 2006 Free Software Foundation, Inc. + Copyright 1995-2005, 2006, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -287,6 +287,8 @@ BODY_PREFIX "_dl_start_user:\n" \ #define GLINK_INITIAL_ENTRY_WORDS 8 #define PPC_DCBST(where) asm volatile ("dcbst 0,%0" : : "r"(where) : "memory") +#define PPC_DCBT(where) asm volatile ("dcbt 0,%0" : : "r"(where) : "memory") +#define PPC_DCBF(where) asm volatile ("dcbf 0,%0" : : "r"(where) : "memory") #define PPC_SYNC asm volatile ("sync" : : : "memory") #define PPC_ISYNC asm volatile ("sync; isync" : : : "memory") #define PPC_ICBI(where) asm volatile ("icbi 0,%0" : : "r"(where) : "memory") @@ -408,6 +410,11 @@ elf_machine_fixup_plt (struct link_map *map, lookup_t sym_map, Elf64_FuncDesc *rel = (Elf64_FuncDesc *) finaladdr; Elf64_Addr offset = 0; + PPC_DCBT (&plt->fd_aux); + PPC_DCBT (&plt->fd_func); + PPC_DCBT (&rel->fd_aux); + PPC_DCBT (&rel->fd_func); + /* If sym_map is NULL, it's a weak undefined sym; Leave the plt zero. */ if (sym_map == NULL) return 0; @@ -430,13 +437,12 @@ elf_machine_fixup_plt (struct link_map *map, lookup_t sym_map, plt->fd_aux = rel->fd_aux + offset; plt->fd_toc = rel->fd_toc + offset; - PPC_DCBST (&plt->fd_aux); - PPC_DCBST (&plt->fd_toc); - PPC_SYNC; + PPC_DCBF (&plt->fd_toc); + PPC_ISYNC; plt->fd_func = rel->fd_func + offset; PPC_DCBST (&plt->fd_func); - PPC_SYNC; + PPC_ISYNC; return finaladdr; } |