From f6fdf53382922f51569f9dae0a0552e780a88fd6 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 13 Jun 2014 14:41:58 -0700 Subject: Consolidate sparc clone, fork, and vfork implementations. * nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: Delete. * nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S: Delete. * nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: Moved ... * sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: ... here. * nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Delete. * nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S: Delete. * nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: Moved ... * sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: ... here. * sysdeps/unix/sysv/linux/sparc/fork.S: Delete. * sysdeps/unix/sysv/linux/sparc/pt-vfork.S: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__thread_start): Remove RESET_PID cpp guards. * sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__thread_start): Remove RESET_PID cpp guards. * sysdeps/unix/sysv/linux/sparc/vfork.S: Delete. --- sysdeps/unix/sysv/linux/sparc/fork.S | 29 ---------------- sysdeps/unix/sysv/linux/sparc/pt-vfork.S | 1 + sysdeps/unix/sysv/linux/sparc/sparc32/clone.S | 2 -- sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S | 49 +++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/sparc/sparc64/clone.S | 2 -- sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S | 49 +++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/sparc/vfork.S | 28 --------------- 7 files changed, 99 insertions(+), 61 deletions(-) delete mode 100644 sysdeps/unix/sysv/linux/sparc/fork.S create mode 100644 sysdeps/unix/sysv/linux/sparc/pt-vfork.S create mode 100644 sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S create mode 100644 sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S delete mode 100644 sysdeps/unix/sysv/linux/sparc/vfork.S (limited to 'sysdeps') diff --git a/sysdeps/unix/sysv/linux/sparc/fork.S b/sysdeps/unix/sysv/linux/sparc/fork.S deleted file mode 100644 index f3a83e6..0000000 --- a/sysdeps/unix/sysv/linux/sparc/fork.S +++ /dev/null @@ -1,29 +0,0 @@ -/* Copyright (C) 1997-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Miguel de Icaza , 1997. - - 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 - . */ - -#include - -PSEUDO (__libc_fork, fork, 0) - sub %o1, 1, %o1 - retl - and %o0, %o1, %o0 -PSEUDO_END (__libc_fork) - -weak_alias (__libc_fork, __fork) -libc_hidden_def (__fork) -weak_alias (__libc_fork, fork) diff --git a/sysdeps/unix/sysv/linux/sparc/pt-vfork.S b/sysdeps/unix/sysv/linux/sparc/pt-vfork.S new file mode 100644 index 0000000..65cc382 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/pt-vfork.S @@ -0,0 +1 @@ +#include diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S index e007d5d..66d34f3 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S @@ -80,7 +80,6 @@ END(__clone) .type __thread_start,@function __thread_start: -#ifdef RESET_PID sethi %hi(CLONE_THREAD), %l0 andcc %g4, %l0, %g0 bne 1f @@ -93,7 +92,6 @@ __thread_start: st %o0,[%g7 + PID] st %o0,[%g7 + TID] 1: -#endif mov %g0, %fp /* terminate backtrace */ call %g2 mov %g3,%o0 diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S new file mode 100644 index 0000000..549769a --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S @@ -0,0 +1,49 @@ +/* Copyright (C) 2004-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 2004. + + 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 + . */ + +#include +#include + + .text + .globl __syscall_error +ENTRY(__vfork) + ld [%g7 + PID], %o5 + cmp %o5, 0 + bne 1f + sub %g0, %o5, %o4 + sethi %hi(0x80000000), %o4 +1: st %o4, [%g7 + PID] + + LOADSYSCALL(vfork) + ta 0x10 + bcc 2f + mov %o7, %g1 + st %o5, [%g7 + PID] + call __syscall_error + mov %g1, %o7 +2: sub %o1, 1, %o1 + andcc %o0, %o1, %o0 + bne,a 1f + st %o5, [%g7 + PID] +1: retl + nop +END(__vfork) + +libc_hidden_def (__vfork) +weak_alias (__vfork, vfork) +strong_alias (__vfork, __libc_vfork) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S index 57d75d2..87f944c 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S @@ -77,7 +77,6 @@ END(__clone) .type __thread_start,@function __thread_start: -#ifdef RESET_PID sethi %hi(CLONE_THREAD), %l0 andcc %g4, %l0, %g0 bne,pt %icc, 1f @@ -89,7 +88,6 @@ __thread_start: 2: st %o0,[%g7 + PID] st %o0,[%g7 + TID] 1: -#endif mov %g0, %fp /* terminate backtrace */ call %g2 mov %g3,%o0 diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S new file mode 100644 index 0000000..6d0628b --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S @@ -0,0 +1,49 @@ +/* Copyright (C) 2004-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 2004. + + 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 + . */ + +#include +#include + + .text + .globl __syscall_error +ENTRY(__vfork) + ld [%g7 + PID], %o5 + sethi %hi(0x80000000), %o3 + cmp %o5, 0 + sub %g0, %o5, %o4 + move %icc, %o3, %o4 + st %o4, [%g7 + PID] + + LOADSYSCALL(vfork) + ta 0x6d + bcc,pt %xcc, 2f + mov %o7, %g1 + st %o5, [%g7 + PID] + call __syscall_error + mov %g1, %o7 +2: sub %o1, 1, %o1 + andcc %o0, %o1, %o0 + bne,a,pt %icc, 1f + st %o5, [%g7 + PID] +1: retl + nop +END(__vfork) + +libc_hidden_def (__vfork) +weak_alias (__vfork, vfork) +strong_alias (__vfork, __libc_vfork) diff --git a/sysdeps/unix/sysv/linux/sparc/vfork.S b/sysdeps/unix/sysv/linux/sparc/vfork.S deleted file mode 100644 index 09c073e..0000000 --- a/sysdeps/unix/sysv/linux/sparc/vfork.S +++ /dev/null @@ -1,28 +0,0 @@ -/* Copyright (C) 1999-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek , 1999. - - 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 - . */ - -#include - -PSEUDO (__vfork, vfork, 0) - sub %o1, 1, %o1 - retl - and %o0, %o1, %o0 - -PSEUDO_END (__vfork) -libc_hidden_def (__vfork) -weak_alias (__vfork, vfork) -- cgit v1.1