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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2016-08-20 19:50:59 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2016-08-20 19:50:59 +0200 |
| commit | d014708ad0bc9f5b20f6b552b6e3222ef10cb0ac (patch) | |
| tree | c98a3d8c694aa7b7bae665b9b9310abf701c0477 /sysdeps/powerpc/powerpc64/sysdep.h | |
| parent | 6e5da01333fd28f66e3b24002c0802b341f69ced (diff) | |
| parent | f76453c31593957fec1a99b986bfa5506618b79c (diff) | |
Merge commit 'refs/top-bases/t/bits_atomic.h_multiple_threads' into t/bits_atomic.h_multiple_threads
Diffstat (limited to 'sysdeps/powerpc/powerpc64/sysdep.h')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/sysdep.h | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/sysdeps/powerpc/powerpc64/sysdep.h b/sysdeps/powerpc/powerpc64/sysdep.h index b28fb9d8aa..bf2a884b99 100644 --- a/sysdeps/powerpc/powerpc64/sysdep.h +++ b/sysdeps/powerpc/powerpc64/sysdep.h @@ -1,5 +1,5 @@ /* Assembly macros for 64-bit PowerPC. - Copyright (C) 2002-2014 Free Software Foundation, Inc. + Copyright (C) 2002-2015 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 @@ -140,25 +140,14 @@ name##: OPD_ENT (name); \ .previous; -#ifdef HAVE_ASM_GLOBAL_DOT_NAME -# define DOT_LABEL(X) .##X -# define BODY_LABEL(X) .##X -# define ENTRY_2(name) \ - .globl BODY_LABEL(name); \ - ENTRY_1(name) \ - .size name, 24; -# define END_2(name) \ - .size BODY_LABEL(name),.-BODY_LABEL(name); -#else -# define DOT_LABEL(X) X -# define BODY_LABEL(X) .LY##X -# define ENTRY_2(name) \ +#define DOT_LABEL(X) X +#define BODY_LABEL(X) .LY##X +#define ENTRY_2(name) \ .type name,@function; \ ENTRY_1(name) -# define END_2(name) \ +#define END_2(name) \ .size name,.-BODY_LABEL(name); \ .size BODY_LABEL(name),.-BODY_LABEL(name); -#endif #define LOCALENTRY(name) #else /* _CALL_ELF */ @@ -283,7 +272,23 @@ LT_LABELSUFFIX(name,_name_end): ; \ TRACEBACK_MASK(name,mask) \ END_2(name) +#if !IS_IN(rtld) && defined (ENABLE_LOCK_ELISION) +# define ABORT_TRANSACTION \ + cmpdi 13,0; \ + beq 1f; \ + lwz 0,TM_CAPABLE(13); \ + cmpwi 0,0; \ + beq 1f; \ + li 0,_ABORT_SYSCALL; \ + tabort. 0; \ + .align 4; \ +1: +#else +# define ABORT_TRANSACTION +#endif + #define DO_CALL(syscall) \ + ABORT_TRANSACTION \ li 0,syscall; \ sc @@ -387,25 +392,14 @@ LT_LABELSUFFIX(name,_name_end): ; \ OPD_ENT (name) "\n" \ ".popsection;" -#ifdef HAVE_ASM_GLOBAL_DOT_NAME -# define DOT_PREFIX "." -# define BODY_PREFIX "." -# define ENTRY_2(name) \ - ".globl " BODY_PREFIX #name ";\n" \ - ENTRY_1(name) "\n" \ - ".size " #name ", 24;" -# define END_2(name) \ - ".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name ";" -#else -# define DOT_PREFIX "" -# define BODY_PREFIX ".LY" -# define ENTRY_2(name) \ +#define DOT_PREFIX "" +#define BODY_PREFIX ".LY" +#define ENTRY_2(name) \ ".type " #name ",@function;\n" \ ENTRY_1(name) -# define END_2(name) \ +#define END_2(name) \ ".size " #name ",.-" BODY_PREFIX #name ";\n" \ ".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name ";" -#endif #define LOCALENTRY(name) #else /* _CALL_ELF */ |