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-rw-r--r--sysdeps/powerpc/gprsave0.S90
1 files changed, 49 insertions, 41 deletions
diff --git a/sysdeps/powerpc/gprsave0.S b/sysdeps/powerpc/gprsave0.S
index ddd88b56b0..90316befa0 100644
--- a/sysdeps/powerpc/gprsave0.S
+++ b/sysdeps/powerpc/gprsave0.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* 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
@@ -16,45 +16,53 @@
    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>
 
-		ASM_GLOBAL_DIRECTIVE _savegpr0_13
-_savegpr0_13:	stw	r13,-76(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_14
-_savegpr0_14:	stw	r14,-72(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_15
-_savegpr0_15:	stw	r15,-68(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_16
-_savegpr0_16:	stw	r16,-64(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_17
-_savegpr0_17:	stw	r17,-60(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_18
-_savegpr0_18:	stw	r18,-56(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_19
-_savegpr0_19:	stw	r19,-52(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_20
-_savegpr0_20:	stw	r20,-48(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_21
-_savegpr0_21:	stw	r21,-44(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_22
-_savegpr0_22:	stw	r22,-40(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_23
-_savegpr0_23:	stw	r23,-36(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_24
-_savegpr0_24:	stw	r24,-32(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_25
-_savegpr0_25:	stw	r25,-28(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_26
-_savegpr0_26:	stw	r26,-24(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_27
-_savegpr0_27:	stw	r27,-20(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_28
-_savegpr0_28:	stw	r28,-16(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_29
-_savegpr0_29:	stw	r29,-12(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_30
-_savegpr0_30:	stw	r30,-8(r1)
-		ASM_GLOBAL_DIRECTIVE _savegpr0_31
-_savegpr0_31:	stw	r31,-4(r1)
-		stw	r0,8(r1)
-		blr
+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