diff options
Diffstat (limited to 'sysdeps/powerpc/gprrest0.S')
| -rw-r--r-- | sysdeps/powerpc/gprrest0.S | 90 |
1 files changed, 50 insertions, 40 deletions
diff --git a/sysdeps/powerpc/gprrest0.S b/sysdeps/powerpc/gprrest0.S index 3e6b327ffb..d203904bca 100644 --- a/sysdeps/powerpc/gprrest0.S +++ b/sysdeps/powerpc/gprrest0.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 @@ -16,44 +16,54 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* + General Purpose Register (GPR) restore routine + when Floating Point Registers (FPRs) are not saved + + Note: This restore 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 _restgpr0_13 -_restgpr0_13: lwz r13,-76(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_14 -_restgpr0_14: lwz r14,-72(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_15 -_restgpr0_15: lwz r15,-68(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_16 -_restgpr0_16: lwz r16,-64(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_17 -_restgpr0_17: lwz r17,-60(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_18 -_restgpr0_18: lwz r18,-56(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_19 -_restgpr0_19: lwz r19,-52(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_20 -_restgpr0_20: lwz r20,-48(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_21 -_restgpr0_21: lwz r21,-44(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_22 -_restgpr0_22: lwz r22,-40(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_23 -_restgpr0_23: lwz r23,-36(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_24 -_restgpr0_24: lwz r24,-32(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_25 -_restgpr0_25: lwz r25,-28(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_26 -_restgpr0_26: lwz r26,-24(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_27 -_restgpr0_27: lwz r27,-20(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_28 -_restgpr0_28: lwz r28,-16(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_29 -_restgpr0_29: lwz r29,-12(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_30 -_restgpr0_30: lwz r30,-8(r1) - ASM_GLOBAL_DIRECTIVE _restgpr0_31 -_restgpr0_31: lwz r31,-4(r1) - blr +ENTRY(_restgpr0_all) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_13) +C_TEXT(_restgpr0_13): lwz r13,-76(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_14) +C_TEXT(_restgpr0_14): lwz r14,-72(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_15) +C_TEXT(_restgpr0_15): lwz r15,-68(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_16) +C_TEXT(_restgpr0_16): lwz r16,-64(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_17) +C_TEXT(_restgpr0_17): lwz r17,-60(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_18) +C_TEXT(_restgpr0_18): lwz r18,-56(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_19) +C_TEXT(_restgpr0_19): lwz r19,-52(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_20) +C_TEXT(_restgpr0_20): lwz r20,-48(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_21) +C_TEXT(_restgpr0_21): lwz r21,-44(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_22) +C_TEXT(_restgpr0_22): lwz r22,-40(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_23) +C_TEXT(_restgpr0_23): lwz r23,-36(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_24) +C_TEXT(_restgpr0_24): lwz r24,-32(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_25) +C_TEXT(_restgpr0_25): lwz r25,-28(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_26) +C_TEXT(_restgpr0_26): lwz r26,-24(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_27) +C_TEXT(_restgpr0_27): lwz r27,-20(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_28) +C_TEXT(_restgpr0_28): lwz r28,-16(r1) + ASM_GLOBAL_DIRECTIVE C_TEXT(_restgpr0_29) +C_TEXT(_restgpr0_29): lwz r0,8(r1) #get return address from frame + lwz r29,-12(r1) #restore r29 + mtlr r0 #move return address to LR + lwz r30,-8(r1) #restore r30 + lwz r31,-4(r1) #restore r31 + blr #return |