diff options
Diffstat (limited to 'sysdeps/s390')
| -rw-r--r-- | sysdeps/s390/dl-tls.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/sysdeps/s390/dl-tls.h b/sysdeps/s390/dl-tls.h index fbd85c1753..0560462857 100644 --- a/sysdeps/s390/dl-tls.h +++ b/sysdeps/s390/dl-tls.h @@ -1,5 +1,5 @@ /* Thread-local storage handling in the ELF dynamic linker. s390 version. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003, 2004 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 @@ -31,6 +31,7 @@ typedef struct extern void *__tls_get_addr (tls_index *ti) attribute_hidden; extern unsigned long __tls_get_offset (unsigned long got_offset); +# ifdef IS_IN_rtld /* The special thing about the s390 TLS ABI is that we do not have the standard __tls_get_addr function but the __tls_get_offset function which differs in two important aspects: @@ -39,7 +40,7 @@ extern unsigned long __tls_get_offset (unsigned long got_offset); 2) __tls_get_offset returns the offset of the requested variable to the thread descriptor instead of a pointer to the variable. */ -#if defined __s390x__ +# ifdef __s390x__ asm("\n\ .text\n\ .globl __tls_get_offset\n\ @@ -49,7 +50,7 @@ __tls_get_offset:\n\ la %r2,0(%r2,%r12)\n\ jg __tls_get_addr\n\ "); -#elif defined __s390__ +# elif defined __s390__ asm("\n\ .text\n\ .globl __tls_get_offset\n\ @@ -62,12 +63,15 @@ __tls_get_offset:\n\ b 0(%r4,%r3)\n\ 1: .long __tls_get_addr - 0b\n\ "); -#endif +# endif +# endif -#define GET_ADDR_OFFSET \ +# define GET_ADDR_OFFSET \ (ti->ti_offset - (unsigned long) __builtin_thread_pointer ()) -#define __TLS_GET_ADDR(__ti) \ - (__tls_get_addr(__ti) + (unsigned long) __builtin_thread_pointer ()) +# define __TLS_GET_ADDR(__ti) \ + ({ extern char _GLOBAL_OFFSET_TABLE_[] attribute_hidden; \ + (void *) __tls_get_offset ((char *) (__ti) - _GLOBAL_OFFSET_TABLE_) \ + + (unsigned long) __builtin_thread_pointer (); }) #endif |