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-rw-r--r--libgcc/config/rs6000/crtresxgpr.S124
1 files changed, 124 insertions, 0 deletions
diff --git a/libgcc/config/rs6000/crtresxgpr.S b/libgcc/config/rs6000/crtresxgpr.S
new file mode 100644
index 00000000000..451b2b69d1e
--- /dev/null
+++ b/libgcc/config/rs6000/crtresxgpr.S
@@ -0,0 +1,124 @@
+/*
+ * Special support for eabi and SVR4
+ *
+ * Copyright (C) 1995, 1996, 1998, 2000, 2001, 2008, 2009
+ * Free Software Foundation, Inc.
+ * Written By Michael Meissner
+ * 64-bit support written by David Edelsohn
+ *
+ * This file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 3, or (at your option) any
+ * later version.
+ *
+ * This file 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
+ * General Public License for more details.
+ *
+ * Under Section 7 of GPL version 3, you are granted additional
+ * permissions described in the GCC Runtime Library Exception, version
+ * 3.1, as published by the Free Software Foundation.
+ *
+ * You should have received a copy of the GNU General Public License and
+ * a copy of the GCC Runtime Library Exception along with this program;
+ * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+/* Do any initializations needed for the eabi environment */
+
+ .section ".text"
+ #include "ppc-asm.h"
+
+/* On PowerPC64 Linux, these functions are provided by the linker. */
+#ifndef __powerpc64__
+
+/* Routines for restoring integer registers, called by the compiler. */
+/* Called with r11 pointing to the stack header word of the caller of the */
+/* function, just beyond the end of the integer restore area. */
+
+CFI_STARTPROC
+CFI_DEF_CFA_REGISTER (11)
+CFI_OFFSET (65, 4)
+CFI_OFFSET (14, -72)
+CFI_OFFSET (15, -68)
+CFI_OFFSET (16, -64)
+CFI_OFFSET (17, -60)
+CFI_OFFSET (18, -56)
+CFI_OFFSET (19, -52)
+CFI_OFFSET (20, -48)
+CFI_OFFSET (21, -44)
+CFI_OFFSET (22, -40)
+CFI_OFFSET (23, -36)
+CFI_OFFSET (24, -32)
+CFI_OFFSET (25, -28)
+CFI_OFFSET (26, -24)
+CFI_OFFSET (27, -20)
+CFI_OFFSET (28, -16)
+CFI_OFFSET (29, -12)
+CFI_OFFSET (30, -8)
+CFI_OFFSET (31, -4)
+HIDDEN_FUNC(_restgpr_14_x) lwz 14,-72(11) /* restore gp registers */
+CFI_RESTORE (14)
+HIDDEN_FUNC(_restgpr_15_x) lwz 15,-68(11)
+CFI_RESTORE (15)
+HIDDEN_FUNC(_restgpr_16_x) lwz 16,-64(11)
+CFI_RESTORE (16)
+HIDDEN_FUNC(_restgpr_17_x) lwz 17,-60(11)
+CFI_RESTORE (17)
+HIDDEN_FUNC(_restgpr_18_x) lwz 18,-56(11)
+CFI_RESTORE (18)
+HIDDEN_FUNC(_restgpr_19_x) lwz 19,-52(11)
+CFI_RESTORE (19)
+HIDDEN_FUNC(_restgpr_20_x) lwz 20,-48(11)
+CFI_RESTORE (20)
+HIDDEN_FUNC(_restgpr_21_x) lwz 21,-44(11)
+CFI_RESTORE (21)
+HIDDEN_FUNC(_restgpr_22_x) lwz 22,-40(11)
+CFI_RESTORE (22)
+HIDDEN_FUNC(_restgpr_23_x) lwz 23,-36(11)
+CFI_RESTORE (23)
+HIDDEN_FUNC(_restgpr_24_x) lwz 24,-32(11)
+CFI_RESTORE (24)
+HIDDEN_FUNC(_restgpr_25_x) lwz 25,-28(11)
+CFI_RESTORE (25)
+HIDDEN_FUNC(_restgpr_26_x) lwz 26,-24(11)
+CFI_RESTORE (26)
+HIDDEN_FUNC(_restgpr_27_x) lwz 27,-20(11)
+CFI_RESTORE (27)
+HIDDEN_FUNC(_restgpr_28_x) lwz 28,-16(11)
+CFI_RESTORE (28)
+HIDDEN_FUNC(_restgpr_29_x) lwz 29,-12(11)
+CFI_RESTORE (29)
+HIDDEN_FUNC(_restgpr_30_x) lwz 30,-8(11)
+CFI_RESTORE (30)
+HIDDEN_FUNC(_restgpr_31_x) lwz 0,4(11)
+ lwz 31,-4(11)
+CFI_RESTORE (31)
+ mtlr 0
+CFI_RESTORE (65)
+ mr 1,11
+CFI_DEF_CFA_REGISTER (1)
+ blr
+FUNC_END(_restgpr_31_x)
+FUNC_END(_restgpr_30_x)
+FUNC_END(_restgpr_29_x)
+FUNC_END(_restgpr_28_x)
+FUNC_END(_restgpr_27_x)
+FUNC_END(_restgpr_26_x)
+FUNC_END(_restgpr_25_x)
+FUNC_END(_restgpr_24_x)
+FUNC_END(_restgpr_23_x)
+FUNC_END(_restgpr_22_x)
+FUNC_END(_restgpr_21_x)
+FUNC_END(_restgpr_20_x)
+FUNC_END(_restgpr_19_x)
+FUNC_END(_restgpr_18_x)
+FUNC_END(_restgpr_17_x)
+FUNC_END(_restgpr_16_x)
+FUNC_END(_restgpr_15_x)
+FUNC_END(_restgpr_14_x)
+CFI_ENDPROC
+
+#endif