diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/hppa/setcontext.S')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/hppa/setcontext.S | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/setcontext.S b/ports/sysdeps/unix/sysv/linux/hppa/setcontext.S deleted file mode 100644 index a90ab0f9fe..0000000000 --- a/ports/sysdeps/unix/sysv/linux/hppa/setcontext.S +++ /dev/null @@ -1,157 +0,0 @@ -/* Install given context. - Copyright (C) 2008-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Helge Deller <deller@gmx.de>, 2008. - - 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/>. */ - -#include <sysdep.h> - -#include "ucontext_i.h" - - -ENTRY(__setcontext) - /* Prologue */ - stwm %r3, 64(%sp) -#ifdef PIC - stw %r19, -32(%sp) -#endif - - /* Save ucp. */ - copy %r26, %r3 - -.Lagain: - /* Set the current signal mask. */ - /* sigprocmask(SIG_BLOCK, &ucp->uc_sigmask, NULL); */ - copy %r0, %r24 - ldo oSIGMASK(%r3), %r25 - bl sigprocmask, %r2 - ldi SIG_SETMASK, %r26 - - comib,<>,n 0,%ret0,.Lerror - - /* Save %sp, %dp. */ - copy %sp, %r4 - copy %dp, %r5 - copy %r19, %r6 - - /* Get the registers. */ - ldw oR1(%r3), %r1 - ldw oR2(%r3), %r2 - /* ldw oR3(%r3), %r3 - used for ucp pointer. */ - /* ldw oR4(%r3), %r4 - used for original %sp. */ - /* ldw oR5(%r3), %r5 - used for %dp / %r27. */ - /* ldw oR6(%r3), %r6 - used for %r19. */ - ldw oR7(%r3), %r7 - ldw oR8(%r3), %r8 - ldw oR9(%r3), %r9 - ldw oR10(%r3), %r10 - ldw oR11(%r3), %r11 - ldw oR12(%r3), %r12 - ldw oR13(%r3), %r13 - ldw oR14(%r3), %r14 - ldw oR15(%r3), %r15 - ldw oR16(%r3), %r16 - ldw oR17(%r3), %r17 - ldw oR18(%r3), %r18 - ldw oR19(%r3), %r19 - ldw oR20(%r3), %r20 - ldw oR21(%r3), %r21 - /* ldw oR22(%r3), %r22 - dyncall arg. */ - ldw oR23(%r3), %r23 - ldw oR24(%r3), %r24 - ldw oR25(%r3), %r25 - ldw oR26(%r3), %r26 - ldw oR27(%r3), %r27 - ldw oR28(%r3), %r28 - ldw oR29(%r3), %r29 - ldw oR30(%r3), %sp - /* ldw oR31(%r3), %r31 - dyncall scratch register */ - - /* Restore floating-point registers. */ - ldo oFPREGS31(%r3), %r22 - fldds 0(%r22), %fr31 - fldds,mb -8(%r22), %fr30 - fldds,mb -8(%r22), %fr29 - fldds,mb -8(%r22), %fr28 - fldds,mb -8(%r22), %fr27 - fldds,mb -8(%r22), %fr26 - fldds,mb -8(%r22), %fr25 - fldds,mb -8(%r22), %fr24 - fldds,mb -8(%r22), %fr23 - fldds,mb -8(%r22), %fr22 - fldds,mb -8(%r22), %fr21 - fldds,mb -8(%r22), %fr20 - fldds,mb -8(%r22), %fr19 - fldds,mb -8(%r22), %fr18 - fldds,mb -8(%r22), %fr17 - fldds,mb -8(%r22), %fr16 - fldds,mb -8(%r22), %fr15 - fldds,mb -8(%r22), %fr14 - fldds,mb -8(%r22), %fr13 - fldds,mb -8(%r22), %fr12 - fldds,mb -8(%r22), %fr11 - fldds,mb -8(%r22), %fr10 - fldds,mb -8(%r22), %fr9 - fldds,mb -8(%r22), %fr8 - fldds,mb -8(%r22), %fr7 - fldds,mb -8(%r22), %fr6 - fldds,mb -8(%r22), %fr5 - fldds,mb -8(%r22), %fr4 - fldds,mb -8(%r22), %fr3 - fldds,mb -8(%r22), %fr2 - fldds,mb -8(%r22), %fr1 - fldds,mb -8(%r22), %fr0 - - /* Do not load oSS_SP into %sp. The value of oSS_SP indicates - the start of the user allocated stack, but not the sp that - should be used by the new context. In fact makecontext - will create a frame, and adjust sp as required. We do not - support calling getcontext and modifying ss_sp without - a call to makecontext to synchronize ss_sp into the machine - context. */ - - /* Call external function. */ - copy %r2, %r22 - bl $$dyncall, %r31 - copy %r31, %r2 - - /* We return here. Get new ucp in %r3, reload %sp. */ - ldw oUC_LINK(%r3), %r3 - copy %r4, %sp - copy %r5, %dp - copy %r6, %r19 - - /* Continue until ucp == NULL. */ - comib,<> 0,%r3,.Lagain - nop - - /* No further context available. Exit now. */ - bl _exit, %r2 - ldi -1, %r26 - - -.Lerror: - /* Epilogue */ - ldw -84(%r30), %r2 -#ifdef PIC - ldw -96(%r30), %r19 -#endif - bv %r0(%r2) - ldwm -64(%r30), %r3 -L(pseudo_end): -PSEUDO_END(__setcontext) - -weak_alias(__setcontext, setcontext) |