diff options
Diffstat (limited to 'linuxthreads')
| -rw-r--r-- | linuxthreads/ChangeLog | 9 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/sh/tls.h | 30 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c | 240 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h | 163 |
4 files changed, 303 insertions, 139 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index 053ae30f37..018667e550 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,12 @@ +2003-01-05 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/sh/tls.h: Include dl-sysdep.h and stdint.h. + (tcbhead_t): Add multiple_threads member. + (TLS_INIT_TP_EXPENSIVE): Define. + * sysdeps/unix/sysv/linux/sh/pt-initfini.c: Don't use multi-line + strings. Remove unused code. + * sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: New file. + 2003-01-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: New file. diff --git a/linuxthreads/sysdeps/sh/tls.h b/linuxthreads/sysdeps/sh/tls.h index 75d3b713df..de79aaed0a 100644 --- a/linuxthreads/sysdeps/sh/tls.h +++ b/linuxthreads/sysdeps/sh/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. linuxthreads/SH version. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2003 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 @@ -20,10 +20,12 @@ #ifndef _TLS_H #define _TLS_H -#ifndef __ASSEMBLER__ -#include <stddef.h> +# include <dl-sysdep.h> +# include <pt-machine.h> -#include <pt-machine.h> +#ifndef __ASSEMBLER__ +# include <stddef.h> +# include <stdint.h> /* Type for the dtv. */ typedef union dtv @@ -39,18 +41,24 @@ typedef struct thread descriptor used by libpthread. */ dtv_t *dtv; void *self; /* Pointer to the thread descriptor. */ + int multiple_threads; } tcbhead_t; +#else /* __ASSEMBLER__ */ +# include <tcb-offsets.h> +#endif /* __ASSEMBLER__ */ /* We can support TLS only if the floating-stack support is available. */ -#if defined FLOATING_STACKS && defined HAVE_TLS_SUPPORT - -/* Get system call information. */ -# include <sysdep.h> +#if defined HAVE_TLS_SUPPORT \ + && (defined FLOATING_STACKS || !defined IS_IN_libpthread) /* Signal that TLS support is available. */ # define USE_TLS 1 +#ifndef __ASSEMBLER__ + +/* Get system call information. */ +# include <sysdep.h> /* Get the thread descriptor definition. */ # include <linuxthreads/descr.h> @@ -103,13 +111,17 @@ typedef struct 0; \ }) +/* Indicate that dynamic linker shouldn't try to initialize TLS even + when no PT_TLS segments are found in the program and libraries + it is linked against. */ +# define TLS_INIT_TP_EXPENSIVE 1 /* Return the address of the dtv for the current thread. */ # define THREAD_DTV() \ ({ struct _pthread_descr_struct *__descr; \ THREAD_GETMEM (__descr, p_header.data.dtvp); }) -#endif /* FLOATING_STACKS && HAVE_TLS_SUPPORT */ +# endif /* HAVE_TLS_SUPPORT && (FLOATING_STACKS || !IS_IN_libpthread) */ #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c b/linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c index e8c54e6799..1cf51a8e09 100644 --- a/linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c +++ b/linuxthreads/sysdeps/unix/sysv/linux/sh/pt-initfini.c @@ -36,134 +36,114 @@ * crtn.s puts the corresponding function epilogues in the .init and .fini sections. */ -__asm__ (" - -#include \"defs.h\" -#define SHARED - -/*@HEADER_ENDS*/ - -/*@TESTS_BEGIN*/ - -/*@TESTS_END*/ - -/*@_init_PROLOG_BEGINS*/ - .section .init - .align 5 - .global _init - .type _init,@function -_init: - mov.l r12,@-r15 - mov.l r14,@-r15 - sts.l pr,@-r15 -#ifdef SHARED - mova .L22,r0 - mov.l .L22,r12 - add r0,r12 - mova .L24,r0 - mov.l .L24,r1 - add r0,r1 - jsr @r1 - nop - mova .L23,r0 - mov.l .L23,r1 - add r0,r1 -#else - mov.l .L24,r1 - jsr @r1 - nop - mov.l .L23,r1 -#endif - jsr @r1 - mov r15,r14 - bra 1f - nop - .align 2 -#ifdef SHARED -.L22: - .long _GLOBAL_OFFSET_TABLE_ -.L23: - .long __gmon_start__@PLT -.L24: - .long __pthread_initialize_minimal@PLT -#else -.L23: - .long __gmon_start__ -.L24: - .long __pthread_initialize_minimal -#endif - .data - .global __fpscr_values -__fpscr_values: - .long 0 - .long 0x80000 - .previous -1: - ALIGN - END_INIT - - -/*@_init_PROLOG_ENDS*/ - -/*@_init_EPILOG_BEGINS*/ - .section .init - mov r14,r15 - lds.l @r15+,pr - mov.l @r15+,r14 - rts - mov.l @r15+,r12 - END_INIT - .section .text - .align 5 - .weak __gmon_start__ - .type __gmon_start__,@function -__gmon_start__: - mov.l r14,@-r15 - mov r15,r14 - mov r14,r15 - rts - mov.l @r15+,r14 - -/*@_init_EPILOG_ENDS*/ - -/*@_fini_PROLOG_BEGINS*/ - .section .fini - .align 5 - .global _fini - .type _fini,@function -_fini: - mov.l r12,@-r15 - mov.l r14,@-r15 - sts.l pr,@-r15 -#ifdef SHARED - mova .L27,r0 - mov.l .L27,r12 - add r0,r12 -#endif - mov r15,r14 - ALIGN - END_FINI -#ifdef SHARED - bra 1f - nop - .align 2 -.L27: - .long _GLOBAL_OFFSET_TABLE_ -#endif -1: -/*@_fini_PROLOG_ENDS*/ - -/*@_fini_EPILOG_BEGINS*/ - .section .fini - mov r14,r15 - lds.l @r15+,pr - mov.l @r15+,r14 - rts - mov.l @r15+,r12 - - END_FINI - -/*@_fini_EPILOG_ENDS*/ - -/*@TRAILER_BEGINS*/ +__asm__ ("\n\ +\n\ +#include \"defs.h\"\n\ +\n\ +/*@HEADER_ENDS*/\n\ +\n\ +/*@TESTS_BEGIN*/\n\ +\n\ +/*@TESTS_END*/\n\ +\n\ +/*@_init_PROLOG_BEGINS*/\n\ + .section .init\n\ + .align 5\n\ + .global _init\n\ + .type _init,@function\n\ +_init:\n\ + mov.l r12,@-r15\n\ + mov.l r14,@-r15\n\ + sts.l pr,@-r15\n\ + mova .L22,r0\n\ + mov.l .L22,r12\n\ + add r0,r12\n\ + mova .L24,r0\n\ + mov.l .L24,r1\n\ + add r0,r1\n\ + jsr @r1\n\ + nop\n\ + mova .L23,r0\n\ + mov.l .L23,r1\n\ + add r0,r1\n\ + jsr @r1\n\ + mov r15,r14\n\ + bra 1f\n\ + nop\n\ + .align 2\n\ +.L22:\n\ + .long _GLOBAL_OFFSET_TABLE_\n\ +.L23:\n\ + .long __gmon_start__@PLT\n\ +.L24:\n\ + .long __pthread_initialize_minimal@PLT\n\ + .data\n\ + .global __fpscr_values\n\ +__fpscr_values:\n\ + .long 0\n\ + .long 0x80000\n\ + .previous\n\ +1:\n\ + ALIGN\n\ + END_INIT\n\ +\n\ +/*@_init_PROLOG_ENDS*/\n\ +\n\ +/*@_init_EPILOG_BEGINS*/\n\ + .section .init\n\ + mov r14,r15\n\ + lds.l @r15+,pr\n\ + mov.l @r15+,r14\n\ + rts \n\ + mov.l @r15+,r12\n\ + END_INIT\n\ + .section .text\n\ + .align 5\n\ + .weak __gmon_start__\n\ + .type __gmon_start__,@function\n\ +__gmon_start__:\n\ + mov.l r14,@-r15\n\ + mov r15,r14\n\ + mov r14,r15\n\ + rts \n\ + mov.l @r15+,r14\n\ + \n\ +/*@_init_EPILOG_ENDS*/\n\ +\n\ +/*@_fini_PROLOG_BEGINS*/\n\ + .section .fini\n\ + .align 5\n\ + .global _fini\n\ + .type _fini,@function\n\ +_fini:\n\ + mov.l r12,@-r15\n\ + mov.l r14,@-r15\n\ + sts.l pr,@-r15\n\ + mova .L27,r0\n\ + mov.l .L27,r12\n\ + add r0,r12\n\ + mov r15,r14\n\ + ALIGN\n\ + END_FINI\n\ + bra 1f\n\ + nop\n\ + .align 2\n\ +.L27:\n\ + .long _GLOBAL_OFFSET_TABLE_\n\ +1:\n\ +/*@_fini_PROLOG_ENDS*/\n\ +\n\ +/*@_fini_EPILOG_BEGINS*/\n\ + .section .fini\n\ + mov r14,r15\n\ + lds.l @r15+,pr\n\ + mov.l @r15+,r14\n\ + rts \n\ + mov.l @r15+,r12\n\ +\n\ + END_FINI\n\ + \n\ +/*@_fini_EPILOG_ENDS*/\n\ +\n\ +/*@TRAILER_BEGINS*/\n\ "); diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h new file mode 100644 index 0000000000..b357eb4e88 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h @@ -0,0 +1,163 @@ +/* Copyright (C) 2003 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#include <tls.h> +#include <pt-machine.h> +#ifndef __ASSEMBLER__ +# include <linuxthreads/internals.h> +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread + +# define _IMM12 #-12 +# define _IMM16 #-16 +# define _IMP16 #16 +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + .text; \ + ENTRY (name); \ + SINGLE_THREAD_P; \ + bf .Lpseudo_cancel; \ + DO_CALL (syscall_name, args); \ + mov r0,r1; \ + mov _IMM12,r2; \ + shad r2,r1; \ + not r1,r1; \ + tst r1,r1; \ + bt .Lsyscall_error; \ + bra .Lpseudo_end; \ + nop; \ + .Lpseudo_cancel: \ + sts.l pr,@-r15; \ + add _IMM16,r15; \ + SAVE_ARGS_##args; \ + CENABLE; \ + LOAD_ARGS_##args; \ + add _IMP16,r15; \ + lds.l @r15+,pr; \ + DO_CALL(syscall_name, args); \ + sts.l pr,@-r15; \ + mov.l r0,@-r15; \ + CDISABLE; \ + mov.l @r15+,r0; \ + lds.l @r15+,pr; \ + mov r0,r1; \ + mov _IMM12,r2; \ + shad r2,r1; \ + not r1,r1; \ + tst r1,r1; \ + bf .Lpseudo_end; \ + .Lsyscall_error: \ + SYSCALL_ERROR_HANDLER; \ + .Lpseudo_end: + +# undef PSEUDO_END +# define PSEUDO_END(sym) \ + END (sym) + +# define SAVE_ARGS_0 /* Nothing. */ +# define SAVE_ARGS_1 SAVE_ARGS_0; mov.l r4,@(0,r15) +# define SAVE_ARGS_2 SAVE_ARGS_1; mov.l r5,@(4,r15) +# define SAVE_ARGS_3 SAVE_ARGS_2; mov.l r6,@(8,r15) +# define SAVE_ARGS_4 SAVE_ARGS_3; mov.l r7,@(12,r15) +# define SAVE_ARGS_5 SAVE_ARGS_4 +# define SAVE_ARGS_6 SAVE_ARGS_5 + +# define LOAD_ARGS_0 /* Nothing. */ +# define LOAD_ARGS_1 LOAD_ARGS_0; mov.l @(0,r15),r4 +# define LOAD_ARGS_2 LOAD_ARGS_1; mov.l @(4,r15),r5 +# define LOAD_ARGS_3 LOAD_ARGS_2; mov.l @(8,r15),r6 +# define LOAD_ARGS_4 LOAD_ARGS_3; mov.l @(12,r15),r7 +# define LOAD_ARGS_5 LOAD_ARGS_4 +# define LOAD_ARGS_6 LOAD_ARGS_5 + +# ifdef IS_IN_libpthread +# define __local_enable_asynccancel __pthread_enable_asynccancel +# define __local_disable_asynccancel __pthread_disable_asynccancel +# define __local_multiple_threads __pthread_multiple_threads +# else +# define __local_enable_asynccancel __libc_enable_asynccancel +# define __local_disable_asynccancel __libc_disable_asynccancel +# define __local_multiple_threads __libc_multiple_threads +# endif + +# define CENABLE \ + mov.l 1f,r0; \ + bsrf r0; \ + nop; \ + 0: bra 2f; \ + nop; \ + .align 2; \ + 1: .long __local_enable_asynccancel - 0b; \ + 2: +# define CDISABLE \ + mov.l 1f,r0; \ + bsrf r0; \ + nop; \ + 0: bra 2f; \ + nop; \ + .align 2; \ + 1: .long __local_disable_asynccancel - 0b; \ + 2: + +# ifndef __ASSEMBLER__ +# if defined FLOATING_STACKS && USE___THREAD && defined PIC +# define SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + p_header.data.multiple_threads) == 0, 1) +# else +extern int __local_multiple_threads attribute_hidden; +# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1) +# endif +# else +# if !defined PIC +# define SINGLE_THREAD_P \ + mov.l 1f,r0; \ + bra 2f; \ + tst r0,r0; \ + .align 2; \ + 1: .long __local_multiple_threads; \ + 2: +# elif defined FLOATING_STACKS && USE___THREAD +# define SINGLE_THREAD_P \ + mov.l @(MULTIPLE_THREADS_OFFSET,gbr),r0; tst r0,r0 +# else +# define SINGLE_THREAD_P \ + mov r12,r2; \ + mov.l 0f,r12; \ + mova 0f,r0; \ + add r0,r12; \ + mov.l 1f,r0; \ + mov.l @(r0,r12),r0; \ + mov r2,r12; \ + bra 2f; \ + tst r0,r0; \ + .align 2; \ + 0: .long _GLOBAL_OFFSET_TABLE_; \ + 1: .long __local_multiple_threads@GOTOFF; \ + 2: +# endif +# endif + +#elif !defined __ASSEMBLER__ + +/* This code should never be used but we define it anyhow. */ +# define SINGLE_THREAD_P (1) + +#endif |