| 1 | /* Copyright (C) 2000-2024 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | /* |
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| 19 | General Purpose Register (GPR) save routine |
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| 20 | when Floating Point Registers (FPRs) are not saved |
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| 21 | |
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| 22 | Note: This save routine must not be called when GPR30 or |
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| 23 | GPR31, or both, are the only registers beings saved. In these |
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| 24 | cases, the saving and restoring must be done inline. |
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| 25 | */ |
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| 26 | |
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| 27 | #include <sysdep.h> |
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| 28 | |
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| 29 | ENTRY(_savegpr0_all) |
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| 30 | .globl C_TEXT(_savegpr0_13) |
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| 31 | C_TEXT(_savegpr0_13): stw r13,-76(r1) |
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| 32 | cfi_offset(r13,-76) |
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| 33 | .globl C_TEXT(_savegpr0_14) |
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| 34 | C_TEXT(_savegpr0_14): stw r14,-72(r1) |
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| 35 | cfi_offset(r14,-72) |
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| 36 | .globl C_TEXT(_savegpr0_15) |
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| 37 | C_TEXT(_savegpr0_15): stw r15,-68(r1) |
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| 38 | cfi_offset(r15,-68) |
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| 39 | .globl C_TEXT(_savegpr0_16) |
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| 40 | C_TEXT(_savegpr0_16): stw r16,-64(r1) |
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| 41 | cfi_offset(r16,-64) |
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| 42 | .globl C_TEXT(_savegpr0_17) |
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| 43 | C_TEXT(_savegpr0_17): stw r17,-60(r1) |
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| 44 | cfi_offset(r17,-60) |
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| 45 | .globl C_TEXT(_savegpr0_18) |
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| 46 | C_TEXT(_savegpr0_18): stw r18,-56(r1) |
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| 47 | cfi_offset(r18,-56) |
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| 48 | .globl C_TEXT(_savegpr0_19) |
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| 49 | C_TEXT(_savegpr0_19): stw r19,-52(r1) |
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| 50 | cfi_offset(r19,-52) |
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| 51 | .globl C_TEXT(_savegpr0_20) |
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| 52 | C_TEXT(_savegpr0_20): stw r20,-48(r1) |
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| 53 | cfi_offset(r20,-48) |
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| 54 | .globl C_TEXT(_savegpr0_21) |
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| 55 | C_TEXT(_savegpr0_21): stw r21,-44(r1) |
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| 56 | cfi_offset(r21,-44) |
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| 57 | .globl C_TEXT(_savegpr0_22) |
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| 58 | C_TEXT(_savegpr0_22): stw r22,-40(r1) |
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| 59 | cfi_offset(r22,-40) |
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| 60 | .globl C_TEXT(_savegpr0_23) |
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| 61 | C_TEXT(_savegpr0_23): stw r23,-36(r1) |
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| 62 | cfi_offset(r23,-36) |
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| 63 | .globl C_TEXT(_savegpr0_24) |
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| 64 | C_TEXT(_savegpr0_24): stw r24,-32(r1) |
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| 65 | cfi_offset(r24,-32) |
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| 66 | .globl C_TEXT(_savegpr0_25) |
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| 67 | C_TEXT(_savegpr0_25): stw r25,-28(r1) |
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| 68 | cfi_offset(r25,-28) |
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| 69 | .globl C_TEXT(_savegpr0_26) |
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| 70 | C_TEXT(_savegpr0_26): stw r26,-24(r1) |
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| 71 | cfi_offset(r26,-24) |
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| 72 | .globl C_TEXT(_savegpr0_27) |
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| 73 | C_TEXT(_savegpr0_27): stw r27,-20(r1) |
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| 74 | cfi_offset(r27,-20) |
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| 75 | .globl C_TEXT(_savegpr0_28) |
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| 76 | C_TEXT(_savegpr0_28): stw r28,-16(r1) |
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| 77 | cfi_offset(r28,-16) |
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| 78 | .globl C_TEXT(_savegpr0_29) |
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| 79 | C_TEXT(_savegpr0_29): stw r29,-12(r1) #save r29 |
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| 80 | stw r30,-8(r1) #save r30 |
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| 81 | stw r31,-4(r1) #save r31 |
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| 82 | cfi_offset(r29,-12) |
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| 83 | cfi_offset(r30,-8) |
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| 84 | cfi_offset(r31,-4) |
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| 85 | stw r0,8(r1) #save LR in callers frame |
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| 86 | blr #return |
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| 87 | END (_savegpr0_all) |
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| 88 | |
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