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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