diff options
Diffstat (limited to 'libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/e500/fpu/getcontext-extra.S')
| -rw-r--r-- | libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/e500/fpu/getcontext-extra.S | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/e500/fpu/getcontext-extra.S b/libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/e500/fpu/getcontext-extra.S new file mode 100644 index 000000000..d1ac7ee89 --- /dev/null +++ b/libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/e500/fpu/getcontext-extra.S @@ -0,0 +1,61 @@ +/* Save current context. Support for saving high parts of registers. + Copyright (C) 2006, 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Joseph Myers <joseph@codesourcery.com>, 2006. + + 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. */ + +/* We follow the kernel's layout, which saves the high parts of the + SPE registers in the vregs area, immediately followed by the + SPEFSCR value. */ +.macro getcontext_extra + la r10,(_UC_VREGS)(r3) + evstwwe r0,(0*4)(r10) + evstwwe r1,(1*4)(r10) + evstwwe r2,(2*4)(r10) + evstwwe r3,(3*4)(r10) + evstwwe r4,(4*4)(r10) + evstwwe r5,(5*4)(r10) + evstwwe r6,(6*4)(r10) + evstwwe r7,(7*4)(r10) + evstwwe r8,(8*4)(r10) + evstwwe r9,(9*4)(r10) + evstwwe r10,(10*4)(r10) + evstwwe r11,(11*4)(r10) + evstwwe r12,(12*4)(r10) + evstwwe r13,(13*4)(r10) + evstwwe r14,(14*4)(r10) + evstwwe r15,(15*4)(r10) + evstwwe r16,(16*4)(r10) + evstwwe r17,(17*4)(r10) + evstwwe r18,(18*4)(r10) + evstwwe r19,(19*4)(r10) + evstwwe r20,(20*4)(r10) + evstwwe r21,(21*4)(r10) + evstwwe r22,(22*4)(r10) + evstwwe r23,(23*4)(r10) + evstwwe r24,(24*4)(r10) + evstwwe r25,(25*4)(r10) + evstwwe r26,(26*4)(r10) + evstwwe r27,(27*4)(r10) + evstwwe r28,(28*4)(r10) + evstwwe r29,(29*4)(r10) + evstwwe r30,(30*4)(r10) + evstwwe r31,(31*4)(r10) + mfspefscr r9 + stw r9,(32*4)(r10) +.endm +#define __GETCONTEXT_EXTRA getcontext_extra |