PPC32 ABI helper functions to save register content.
authordrepper <drepper>
Thu, 5 Sep 2002 08:40:32 +0000 (08:40 +0000)
committerdrepper <drepper>
Thu, 5 Sep 2002 08:40:32 +0000 (08:40 +0000)
sysdeps/powerpc/powerpc32/gprsave1.S [new file with mode: 0644]

diff --git a/sysdeps/powerpc/powerpc32/gprsave1.S b/sysdeps/powerpc/powerpc32/gprsave1.S
new file mode 100644 (file)
index 0000000..06ee4a6
--- /dev/null
@@ -0,0 +1,63 @@
+/* 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 saved
+*/
+
+#include <sysdep.h>
+
+ENTRY(_savegpr1_all)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_13)
+C_TEXT(_savegpr1_13):  stw     r13,-76(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_14)
+C_TEXT(_savegpr1_14):  stw     r14,-72(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_15)
+C_TEXT(_savegpr1_15):  stw     r15,-68(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_16)
+C_TEXT(_savegpr1_16):  stw     r16,-64(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_17)
+C_TEXT(_savegpr1_17):  stw     r17,-60(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_18)
+C_TEXT(_savegpr1_18):  stw     r18,-56(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_19)
+C_TEXT(_savegpr1_19):  stw     r19,-52(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_20)
+C_TEXT(_savegpr1_20):  stw     r20,-48(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_21)
+C_TEXT(_savegpr1_21):  stw     r21,-44(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_22)
+C_TEXT(_savegpr1_22):  stw     r22,-40(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_23)
+C_TEXT(_savegpr1_23):  stw     r23,-36(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_24)
+C_TEXT(_savegpr1_24):  stw     r24,-32(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_25)
+C_TEXT(_savegpr1_25):  stw     r25,-28(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_26)
+C_TEXT(_savegpr1_26):  stw     r26,-24(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_27)
+C_TEXT(_savegpr1_27):  stw     r27,-20(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_28)
+C_TEXT(_savegpr1_28):  stw     r28,-16(r12)
+               ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr1_29)
+C_TEXT(_savegpr1_29):  stw     r29,-12(r12)    #save r29
+                       stw     r30,-8(r12)     #save r30
+                       stw     r31,-4(r12)     #save r31
+                       blr                     #return