diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/sh3/getcontext.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/sh/sh3/getcontext.S | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/sh3/getcontext.S b/sysdeps/unix/sysv/linux/sh/sh3/getcontext.S deleted file mode 100644 index 66b3daa..0000000 --- a/sysdeps/unix/sysv/linux/sh/sh3/getcontext.S +++ /dev/null @@ -1,88 +0,0 @@ -/* Save current context. - Copyright (C) 2005 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 "ucontext_i.h" - -/* int __getcontext (ucontext_t *uc); */ - - .text - .align 5 -ENTRY(__getcontext) - - /* Return value of getcontext. R0 is the only register whose - value is not preserved. */ - mov #0, r0 - mov.l r0, @(oR0,r4) - mov.l r1, @(oR1,r4) - mov.l r2, @(oR2,r4) - mov.l r3, @(oR3,r4) - mov.l r4, @(oR4,r4) - mov.l r5, @(oR5,r4) - mov.l r6, @(oR6,r4) - mov.l r7, @(oR7,r4) - mov r4, r0 - add #(oMACL+4), r0 - sts.l macl, @-r0 - sts.l mach, @-r0 - stc.l gbr, @-r0 - - /* Save T flag to SR. */ - movt r1 - mov.l r1, @-r0 - sts.l pr, @-r0 - - /* The return address of getcontext is the restart pc. */ - sts.l pr, @-r0 - - mov.l r15, @-r0 - mov.l r14, @-r0 - mov.l r13, @-r0 - mov.l r12, @-r0 - mov.l r11, @-r0 - mov.l r10, @-r0 - mov.l r9, @-r0 - mov.l r8, @-r0 - - /* sigprocmask (SIG_BLOCK, NULL, &uc->uc_sigmask). */ - mov r4, r6 - add #oSIGMASK, r6 - mov #SIG_BLOCK, r4 - mov #0, r5 - mov #+SYS_ify(sigprocmask), r3 - trapa #0x13 - mov r0, r1 - mov #-12, r2 - shad r2, r1 - not r1, r1 // r1=0 means r0 = -1 to -4095 - tst r1, r1 // i.e. error in linux - bf .Lgetcontext_end -.Lsyscall_error: - SYSCALL_ERROR_HANDLER -.Lgetcontext_end: - /* All done, return 0 for success. */ - mov #0, r0 -.Lpseudo_end: - rts - nop - -PSEUDO_END(__getcontext) - -weak_alias (__getcontext, getcontext) |