diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/gprsave0.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/gprsave0.S | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/gprsave0.S b/sysdeps/powerpc/powerpc32/gprsave0.S new file mode 100644 index 0000000000..a09f1e569a --- /dev/null +++ b/sysdeps/powerpc/powerpc32/gprsave0.S @@ -0,0 +1,68 @@ +/* Copyright (C) 2000, 2001 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. */ + +/* + General Purpose Register (GPR) save routine + when Floating Point Registers (FPRs) are not saved + + Note: This save routine must not be called when GPR30 or + GPR31, or both, are the only registers beings saved. In these + cases, the saving and restoring must be done inline. +*/ + +#include <sysdep.h> + +ENTRY(_savegpr0_all) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_13) +C_TEXT(_savegpr0_13): stw r13,-76(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_14) +C_TEXT(_savegpr0_14): stw r14,-72(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_15) +C_TEXT(_savegpr0_15): stw r15,-68(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_16) +C_TEXT(_savegpr0_16): stw r16,-64(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_17) +C_TEXT(_savegpr0_17): stw r17,-60(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_18) +C_TEXT(_savegpr0_18): stw r18,-56(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_19) +C_TEXT(_savegpr0_19): stw r19,-52(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_20) +C_TEXT(_savegpr0_20): stw r20,-48(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_21) +C_TEXT(_savegpr0_21): stw r21,-44(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_22) +C_TEXT(_savegpr0_22): stw r22,-40(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_23) +C_TEXT(_savegpr0_23): stw r23,-36(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_24) +C_TEXT(_savegpr0_24): stw r24,-32(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_25) +C_TEXT(_savegpr0_25): stw r25,-28(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_26) +C_TEXT(_savegpr0_26): stw r26,-24(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_27) +C_TEXT(_savegpr0_27): stw r27,-20(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_28) +C_TEXT(_savegpr0_28): stw r28,-16(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_29) +C_TEXT(_savegpr0_29): stw r29,-12(r1) #save r29 + stw r30,-8(r1) #save r30 + stw r31,-4(r1) #save r31 + stw r0,8(r1) #save LR in callers frame + blr #return |