diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | nptl/pthread_create.c | 4 | ||||
| -rw-r--r-- | sysdeps/i386/nptl/tls.h | 16 | ||||
| -rw-r--r-- | sysdeps/x86_64/nptl/tls.h | 12 | ||||
| -rw-r--r-- | sysdeps/x86_64/x32/nptl/tls.h | 46 |
5 files changed, 6 insertions, 78 deletions
@@ -1,5 +1,11 @@ 2017-04-04 Adhemerval Zanella <adhemerval.zanella@linaro.org> + * nptl/pthread_create.c (START_THREAD_DEFN): Remove + CALL_THREAD_FCT macro usage. + * sysdeps/i386/nptl/tls.h (CALL_THREAD_FCT): Remove definition. + * sysdeps/x86_64/nptl/tls.h (CALL_THREAD_FCT): Likewise. + * sysdeps/x86_64/32/nptl/tls.h: Remove file. + * nptl/pthreadP.h (USE_REQUEUE_PI): Remove ununsed macro. * sysdeps/unix/sysv/linux/arm/kernel-features.h (__ASSUME_REQUEUE_PI): Likewise. diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c index 2ef2bcb..d0d7414 100644 --- a/nptl/pthread_create.c +++ b/nptl/pthread_create.c @@ -452,11 +452,7 @@ START_THREAD_DEFN LIBC_PROBE (pthread_start, 3, (pthread_t) pd, pd->start_routine, pd->arg); /* Run the code the user provided. */ -#ifdef CALL_THREAD_FCT - THREAD_SETMEM (pd, result, CALL_THREAD_FCT (pd)); -#else THREAD_SETMEM (pd, result, pd->start_routine (pd->arg)); -#endif } /* Call destructors for the thread_local TLS variables. */ diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h index 04dc6ae..f9a6b11 100644 --- a/sysdeps/i386/nptl/tls.h +++ b/sysdeps/i386/nptl/tls.h @@ -394,22 +394,6 @@ tls_fill_user_desc (union user_desc_init *desc, abort (); }) -/* Call the user-provided thread function. */ -#define CALL_THREAD_FCT(descr) \ - ({ void *__res; \ - int __ignore1, __ignore2; \ - asm volatile ("pushl %%eax\n\t" \ - "pushl %%eax\n\t" \ - "pushl %%eax\n\t" \ - "pushl %%gs:%P4\n\t" \ - "call *%%gs:%P3\n\t" \ - "addl $16, %%esp" \ - : "=a" (__res), "=c" (__ignore1), "=d" (__ignore2) \ - : "i" (offsetof (struct pthread, start_routine)), \ - "i" (offsetof (struct pthread, arg))); \ - __res; }) - - /* Set the stack guard field in TCB head. */ #define THREAD_SET_STACK_GUARD(value) \ THREAD_SETMEM (THREAD_SELF, header.stack_guard, value) diff --git a/sysdeps/x86_64/nptl/tls.h b/sysdeps/x86_64/nptl/tls.h index 53b41bc..9b8ad82 100644 --- a/sysdeps/x86_64/nptl/tls.h +++ b/sysdeps/x86_64/nptl/tls.h @@ -326,18 +326,6 @@ typedef struct abort (); }) -# define CALL_THREAD_FCT(descr) \ - ({ void *__res; \ - asm volatile ("movq %%fs:%P2, %%rdi\n\t" \ - "callq *%%fs:%P1" \ - : "=a" (__res) \ - : "i" (offsetof (struct pthread, start_routine)), \ - "i" (offsetof (struct pthread, arg)) \ - : "di", "si", "cx", "dx", "r8", "r9", "r10", "r11", \ - "memory", "cc"); \ - __res; }) - - /* Set the stack guard field in TCB head. */ # define THREAD_SET_STACK_GUARD(value) \ THREAD_SETMEM (THREAD_SELF, header.stack_guard, value) diff --git a/sysdeps/x86_64/x32/nptl/tls.h b/sysdeps/x86_64/x32/nptl/tls.h deleted file mode 100644 index 68f65a6..0000000 --- a/sysdeps/x86_64/x32/nptl/tls.h +++ /dev/null @@ -1,46 +0,0 @@ -/* Definition for thread-local data handling. nptl/x32 version. - Copyright (C) 2012-2017 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 _X32_TLS_H -#define _X32_TLS_H 1 - -#include_next <tls.h> - -#ifndef __ASSEMBLER__ - -/* X32 doesn't support 32-bit indirect calls via memory. Instead, we - load the 32-bit address from memory into the lower 32 bits of the - return-value register, which will automatically zero-extend the upper - 32 bits of the return-value register. We then do the indirect call - via the 64-bit return-value register. */ -# undef CALL_THREAD_FCT -# define CALL_THREAD_FCT(descr) \ - ({ void *__res; \ - asm volatile ("movl %%fs:%P2, %%edi\n\t" \ - "movl %%fs:%P1, %k0\n\t" \ - "callq *%q0" \ - : "=a" (__res) \ - : "i" (offsetof (struct pthread, start_routine)), \ - "i" (offsetof (struct pthread, arg)) \ - : "di", "si", "cx", "dx", "r8", "r9", "r10", "r11", \ - "memory", "cc"); \ - __res; }) - -#endif /* __ASSEMBLER__ */ - -#endif /* x32/tls.h */ |