From 18571208068d5fe2f0bf7b4e980525a7f577c503 Mon Sep 17 00:00:00 2001 From: Russ Cox Date: Wed, 30 Dec 2020 07:18:30 -0500 Subject: libthread: simplify Now that everything uses pthreads and pthreadperthread, can delete various conditionals, all the custom context code, and so on. Also update documents. Fixes #355. --- src/libthread/Linux-sparc64-context.S | 135 ---------------------------------- 1 file changed, 135 deletions(-) delete mode 100644 src/libthread/Linux-sparc64-context.S (limited to 'src/libthread/Linux-sparc64-context.S') diff --git a/src/libthread/Linux-sparc64-context.S b/src/libthread/Linux-sparc64-context.S deleted file mode 100644 index 1cc38391..00000000 --- a/src/libthread/Linux-sparc64-context.S +++ /dev/null @@ -1,135 +0,0 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek . - - 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. */ - -/* Constants shared between setcontext() and getcontext(). Don't - install this header file. */ - - -#define UC_LINK 0 -#define __UC_SIGMASK 16 -#define UC_M_PC 40 -#define UC_M_NPC 48 -#define UC_SIGMASK 536 -#define SIGMASK_WORDS 16 - -/* Copyright (C) 1997, 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson (rth@tamu.edu). - - 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. */ - -#define ENTRY(x) x: -#define END(x) - -/*#include "ucontext_i.h" (up above) */ - -/* int getcontext(ucontext_t *); */ - -ENTRY(getcontext) - - ldx [%o0 + UC_LINK], %o1 /* Preserve uc_link field, the - trap clears it. */ - ta 0x6e -1: - ldx [%o0 + UC_M_PC], %o2 - ldx [%o0 + UC_M_NPC], %o3 - ldx [%o0 + __UC_SIGMASK], %o4 - stx %o1, [%o0 + UC_LINK] - add %o2, 2f - 1b, %o2 - stx %o2, [%o0 + UC_M_PC] - add %o3, 2f - 1b, %o3 - stx %o3, [%o0 + UC_M_NPC] -#if SIGMASK_WORDS == 16 - stx %o4, [%o0 + UC_SIGMASK] - stx %g0, [%o0 + UC_SIGMASK + 8] - stx %g0, [%o0 + UC_SIGMASK + 16] - stx %g0, [%o0 + UC_SIGMASK + 24] - stx %g0, [%o0 + UC_SIGMASK + 32] - stx %g0, [%o0 + UC_SIGMASK + 40] - stx %g0, [%o0 + UC_SIGMASK + 48] - stx %g0, [%o0 + UC_SIGMASK + 56] - stx %g0, [%o0 + UC_SIGMASK + 64] - stx %g0, [%o0 + UC_SIGMASK + 72] - stx %g0, [%o0 + UC_SIGMASK + 80] - stx %g0, [%o0 + UC_SIGMASK + 88] - stx %g0, [%o0 + UC_SIGMASK + 96] - stx %g0, [%o0 + UC_SIGMASK + 104] - stx %g0, [%o0 + UC_SIGMASK + 112] - stx %g0, [%o0 + UC_SIGMASK + 120] -#else -# error Adjust getcontext -#endif -2: - retl - clr %o0 - -END(getcontext) - -/* Copyright (C) 1997, 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson (rth@tamu.edu). - - 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 -#include "ucontext_i.h" -*/ - -/* int setcontext(ucontext_t *ctx); */ -.weak setcontext -ENTRY(setcontext) - - mov 1, %o1 - -/* int __setcontext(ucontext_t *ctx, int restoremask); */ -ENTRY(__setcontext) - - ldx [%o0 + UC_SIGMASK], %o2 - stx %o2, [%o0 + __UC_SIGMASK] - ta 0x6f - -END(__setcontext) - -- cgit v1.2.3