elf: Consolidate machine-agnostic DTV definitions in <dl-dtv.h>

Message ID	20160620133654.B632A40176BF4@oldenburg.str.redhat.com
State	New
Headers	show Return-Path: <libc-alpha-return-70798-incoming=patchwork.ozlabs.org@sourceware.org> DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:to:subject:mime-version:content-type :content-transfer-encoding:message-id:from; q=dns; s=default; b= jXyf8rkQAzHZHoYjcjAfU9c+54gf7G40yJQgQ5lMG1DD6FOhfhZShmFZP2xc16Xm nKMyu7xP19qkLJWnScZG0yhxXurNjAqe9R40wGrkaqRfEX6yOjiowIIltG6qxju0 rIc5IYYh2iPLFzl3z97WhZTg8LV8lxEUvoBM0+T05LI= Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk Sender: libc-alpha-owner@sourceware.org Date: Mon, 20 Jun 2016 15:36:54 +0200 To: libc-alpha@sourceware.org Subject: [PATCH] elf: Consolidate machine-agnostic DTV definitions in <dl-dtv.h> User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20160620133654.B632A40176BF4@oldenburg.str.redhat.com> From: fweimer@redhat.com (Florian Weimer)

diff --git a/sysdeps/aarch64/dl-tls.h b/sysdeps/aarch64/dl-tls.h index 71265c5..7eff427 100644 --- a/sysdeps/aarch64/dl-tls.h +++ b/sysdeps/aarch64/dl-tls.h @@ -25,6 +25,3 @@ typedef struct extern void *__tls_get_addr (tls_index *ti); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/aarch64/nptl/tls.h b/sysdeps/aarch64/nptl/tls.h index 95ea3f9..c5f20ef 100644 --- a/sysdeps/aarch64/nptl/tls.h +++ b/sysdeps/aarch64/nptl/tls.h @@ -25,17 +25,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> #else /* __ASSEMBLER__ */ # include <tcb-offsets.h> diff --git a/sysdeps/alpha/dl-tls.h b/sysdeps/alpha/dl-tls.h index 5f4e4cf..b723a6e 100644 --- a/sysdeps/alpha/dl-tls.h +++ b/sysdeps/alpha/dl-tls.h @@ -25,6 +25,3 @@ typedef struct } tls_index; extern void *__tls_get_addr (tls_index *ti); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/alpha/nptl/tls.h b/sysdeps/alpha/nptl/tls.h index 90d98e1..0d63770 100644 --- a/sysdeps/alpha/nptl/tls.h +++ b/sysdeps/alpha/nptl/tls.h @@ -25,17 +25,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> /* Get system call information. */ # include <sysdep.h> diff --git a/sysdeps/arm/dl-tls.h b/sysdeps/arm/dl-tls.h index ed2efe8..be2fe62 100644 --- a/sysdeps/arm/dl-tls.h +++ b/sysdeps/arm/dl-tls.h @@ -26,6 +26,3 @@ typedef struct dl_tls_index extern void *__tls_get_addr (tls_index *ti); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/arm/nptl/tls.h b/sysdeps/arm/nptl/tls.h index 1ef57d2..9b9a521 100644 --- a/sysdeps/arm/nptl/tls.h +++ b/sysdeps/arm/nptl/tls.h @@ -25,17 +25,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> #else /* __ASSEMBLER__ */ # include <tcb-offsets.h> diff --git a/sysdeps/generic/dl-dtv.h b/sysdeps/generic/dl-dtv.h new file mode 100644 index 0000000..36c5c58 --- /dev/null +++ b/sysdeps/generic/dl-dtv.h @@ -0,0 +1,36 @@ +/* Generic declarations for DTV-based TLS handling in the dynamic linker. + Copyright (C) 2002-2016 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _DL_DTV_H +#define _DL_DTV_H + +/* Type for the dtv. */ +typedef union dtv +{ + size_t counter; + struct + { + void *val; + bool is_static; + } pointer; +} dtv_t; + +/* Value used for dtv entries for which the allocation is delayed. */ +#define TLS_DTV_UNALLOCATED ((void *) -1l) + +#endif /* _DLT_DTV_H */ diff --git a/sysdeps/hppa/dl-tls.h b/sysdeps/hppa/dl-tls.h index 58b9280..2cae6e4 100644 --- a/sysdeps/hppa/dl-tls.h +++ b/sysdeps/hppa/dl-tls.h @@ -26,6 +26,3 @@ typedef struct extern void *__tls_get_addr (tls_index *ti); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/hppa/nptl/tls.h b/sysdeps/hppa/nptl/tls.h index 2e0c861..14a0083 100644 --- a/sysdeps/hppa/nptl/tls.h +++ b/sysdeps/hppa/nptl/tls.h @@ -25,17 +25,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> #else /* __ASSEMBLER__ */ # include <tcb-offsets.h> diff --git a/sysdeps/i386/dl-tls.h b/sysdeps/i386/dl-tls.h index 1a8c358..d798b9a 100644 --- a/sysdeps/i386/dl-tls.h +++ b/sysdeps/i386/dl-tls.h @@ -59,6 +59,3 @@ rtld_hidden_def (___tls_get_addr) # endif #endif - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h index a6dfa9b..74a11dd 100644 --- a/sysdeps/i386/nptl/tls.h +++ b/sysdeps/i386/nptl/tls.h @@ -28,19 +28,7 @@ # include <sysdep.h> # include <libc-internal.h> # include <kernel-features.h> - - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; - +# include <dl-dtv.h> typedef struct { diff --git a/sysdeps/ia64/dl-tls.h b/sysdeps/ia64/dl-tls.h index bc00888..756b84d 100644 --- a/sysdeps/ia64/dl-tls.h +++ b/sysdeps/ia64/dl-tls.h @@ -28,6 +28,3 @@ #define DONT_USE_TLS_INDEX 1 extern void *__tls_get_addr (size_t m, size_t offset); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/ia64/nptl/tls.h b/sysdeps/ia64/nptl/tls.h index 54fddf5..1e03e2c 100644 --- a/sysdeps/ia64/nptl/tls.h +++ b/sysdeps/ia64/nptl/tls.h @@ -26,19 +26,7 @@ # include <stdint.h> # include <stdlib.h> # include <list.h> - - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; - +# include <dl-dtv.h> typedef struct { diff --git a/sysdeps/m68k/dl-tls.h b/sysdeps/m68k/dl-tls.h index f853b99..d24ad90 100644 --- a/sysdeps/m68k/dl-tls.h +++ b/sysdeps/m68k/dl-tls.h @@ -45,6 +45,3 @@ extern void *__tls_get_addr (tls_index *ti); #define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET) #define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET) - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/m68k/nptl/tls.h b/sysdeps/m68k/nptl/tls.h index f932282..4825c4c 100644 --- a/sysdeps/m68k/nptl/tls.h +++ b/sysdeps/m68k/nptl/tls.h @@ -26,17 +26,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> #else /* __ASSEMBLER__ */ # include <tcb-offsets.h> diff --git a/sysdeps/mach/hurd/i386/tls.h b/sysdeps/mach/hurd/i386/tls.h index 3ec5bb0..81e6926 100644 --- a/sysdeps/mach/hurd/i386/tls.h +++ b/sysdeps/mach/hurd/i386/tls.h @@ -25,17 +25,7 @@ #ifndef __ASSEMBLER__ -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; - +# include <dl-dtv.h> /* Type of the TCB. */ typedef struct diff --git a/sysdeps/microblaze/dl-tls.h b/sysdeps/microblaze/dl-tls.h index f0f8205..5613e21 100644 --- a/sysdeps/microblaze/dl-tls.h +++ b/sysdeps/microblaze/dl-tls.h @@ -24,6 +24,3 @@ typedef struct } tls_index; extern void *__tls_get_addr (tls_index *ti); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/microblaze/nptl/tls.h b/sysdeps/microblaze/nptl/tls.h index 8376f50..5e9560a 100644 --- a/sysdeps/microblaze/nptl/tls.h +++ b/sysdeps/microblaze/nptl/tls.h @@ -25,17 +25,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> #else /* __ASSEMBLER__ */ # include <tcb-offsets.h> diff --git a/sysdeps/mips/dl-tls.h b/sysdeps/mips/dl-tls.h index 4d084d6..1c5a83f 100644 --- a/sysdeps/mips/dl-tls.h +++ b/sysdeps/mips/dl-tls.h @@ -43,6 +43,3 @@ extern void *__tls_get_addr (tls_index *ti); # define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET) # define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET) - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/mips/nptl/tls.h b/sysdeps/mips/nptl/tls.h index 10ca878..f5f4891 100644 --- a/sysdeps/mips/nptl/tls.h +++ b/sysdeps/mips/nptl/tls.h @@ -25,20 +25,11 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> +# include <dl-dtv.h> + /* Get system call information. */ # include <sysdep.h> -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; - #ifdef __mips16 /* MIPS16 uses GCC builtin to access the TP. */ # define READ_THREAD_POINTER() (__builtin_thread_pointer ()) diff --git a/sysdeps/nios2/dl-tls.h b/sysdeps/nios2/dl-tls.h index cd79461..45c0db2 100644 --- a/sysdeps/nios2/dl-tls.h +++ b/sysdeps/nios2/dl-tls.h @@ -43,6 +43,3 @@ extern void *__tls_get_addr (tls_index *ti); # define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET) # define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET) - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/nios2/nptl/tls.h b/sysdeps/nios2/nptl/tls.h index ad29ac5..55e1154 100644 --- a/sysdeps/nios2/nptl/tls.h +++ b/sysdeps/nios2/nptl/tls.h @@ -25,17 +25,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> #else /* __ASSEMBLER__ */ # include <tcb-offsets.h> diff --git a/sysdeps/powerpc/dl-tls.h b/sysdeps/powerpc/dl-tls.h index eced36b..f8b6fcf 100644 --- a/sysdeps/powerpc/dl-tls.h +++ b/sysdeps/powerpc/dl-tls.h @@ -49,7 +49,4 @@ extern void *__tls_get_addr (tls_index *ti); # define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET) #endif -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) - #endif /* dl-tls.h */ diff --git a/sysdeps/powerpc/nptl/tls.h b/sysdeps/powerpc/nptl/tls.h index 0e889bc..fa476a5 100644 --- a/sysdeps/powerpc/nptl/tls.h +++ b/sysdeps/powerpc/nptl/tls.h @@ -25,17 +25,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> #else /* __ASSEMBLER__ */ # include <tcb-offsets.h> diff --git a/sysdeps/s390/dl-tls.h b/sysdeps/s390/dl-tls.h index 503048a..ce2d020 100644 --- a/sysdeps/s390/dl-tls.h +++ b/sysdeps/s390/dl-tls.h @@ -102,6 +102,3 @@ extern void *__tls_get_addr_internal (tls_index *ti); + (unsigned long) __builtin_thread_pointer (); }) #endif - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/s390/nptl/tls.h b/sysdeps/s390/nptl/tls.h index e4c3ec7..0fec586 100644 --- a/sysdeps/s390/nptl/tls.h +++ b/sysdeps/s390/nptl/tls.h @@ -27,19 +27,7 @@ # include <stdlib.h> # include <list.h> # include <kernel-features.h> - - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; - +# include <dl-dtv.h> typedef struct { diff --git a/sysdeps/sh/dl-tls.h b/sysdeps/sh/dl-tls.h index 276ec54..52e2a10 100644 --- a/sysdeps/sh/dl-tls.h +++ b/sysdeps/sh/dl-tls.h @@ -26,6 +26,3 @@ typedef struct extern void *__tls_get_addr (tls_index *ti); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/sh/nptl/tls.h b/sysdeps/sh/nptl/tls.h index 6f128c9..a81e805 100644 --- a/sysdeps/sh/nptl/tls.h +++ b/sysdeps/sh/nptl/tls.h @@ -28,17 +28,7 @@ # include <stdlib.h> # include <list.h> # include <sysdep.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> typedef struct { diff --git a/sysdeps/sparc/dl-tls.h b/sysdeps/sparc/dl-tls.h index 2bfd366..b74861a 100644 --- a/sysdeps/sparc/dl-tls.h +++ b/sysdeps/sparc/dl-tls.h @@ -26,6 +26,3 @@ typedef struct extern void *__tls_get_addr (tls_index *ti); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/sparc/nptl/tls.h b/sysdeps/sparc/nptl/tls.h index 08c0552..85f2a2c 100644 --- a/sysdeps/sparc/nptl/tls.h +++ b/sysdeps/sparc/nptl/tls.h @@ -27,17 +27,7 @@ # include <stdlib.h> # include <list.h> # include <kernel-features.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> typedef struct { diff --git a/sysdeps/tile/dl-tls.h b/sysdeps/tile/dl-tls.h index d26c6be..20096f4 100644 --- a/sysdeps/tile/dl-tls.h +++ b/sysdeps/tile/dl-tls.h @@ -40,6 +40,3 @@ extern void *__tls_get_addr (tls_index *ti); /* Compute the value for a DTPREL reloc. */ #define TLS_DTPREL_VALUE(sym) \ ((sym)->st_value - TLS_DTV_OFFSET) - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/tile/nptl/tls.h b/sysdeps/tile/nptl/tls.h index c908fb8..16e8faf 100644 --- a/sysdeps/tile/nptl/tls.h +++ b/sysdeps/tile/nptl/tls.h @@ -25,17 +25,7 @@ # include <stdbool.h> # include <stddef.h> # include <stdint.h> - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; +# include <dl-dtv.h> #else /* __ASSEMBLER__ */ # include <tcb-offsets.h> diff --git a/sysdeps/x86_64/dl-tls.h b/sysdeps/x86_64/dl-tls.h index 0f101e6..cf6c107 100644 --- a/sysdeps/x86_64/dl-tls.h +++ b/sysdeps/x86_64/dl-tls.h @@ -27,6 +27,3 @@ typedef struct dl_tls_index extern void *__tls_get_addr (tls_index *ti); - -/* Value used for dtv entries for which the allocation is delayed. */ -#define TLS_DTV_UNALLOCATED ((void *) -1l) diff --git a/sysdeps/x86_64/nptl/tls.h b/sysdeps/x86_64/nptl/tls.h index 2b061a0..1bf9586 100644 --- a/sysdeps/x86_64/nptl/tls.h +++ b/sysdeps/x86_64/nptl/tls.h @@ -28,6 +28,7 @@ # include <sysdep.h> # include <libc-internal.h> # include <kernel-features.h> +# include <dl-dtv.h> /* Replacement type for __m128 since this file is included by ld.so, which is compiled with -mno-sse. It must not change the alignment @@ -38,18 +39,6 @@ typedef struct } __128bits; -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; - - typedef struct { void *tcb; /* Pointer to the TCB. Not necessarily the

elf: Consolidate machine-agnostic DTV definitions in <dl-dtv.h>

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