| // Copyright 2014 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| // +build ppc64 ppc64le | |
| #include "textflag.h" | |
| /* | |
| * void crosscall2(void (*fn)(void*, int32), void*, int32) | |
| * Save registers and call fn with two arguments. | |
| * crosscall2 obeys the C ABI; fn obeys the Go ABI. | |
| */ | |
| TEXT crosscall2(SB),NOSPLIT,$-8 | |
| // TODO(austin): ABI v1 (fn is probably a function descriptor) | |
| // Start with standard C stack frame layout and linkage | |
| MOVD LR, R0 | |
| MOVD R0, 16(R1) // Save LR in caller's frame | |
| MOVD R2, 24(R1) // Save TOC in caller's frame | |
| BL saveregs2<>(SB) | |
| MOVDU R1, (-288-3*8)(R1) | |
| // Initialize Go ABI environment | |
| BL runtime·reginit(SB) | |
| BL runtime·load_g(SB) | |
| MOVD R3, CTR | |
| MOVD R4, 8(R1) | |
| MOVD R5, 16(R1) | |
| BL (CTR) | |
| ADD $(288+3*8), R1 | |
| BL restoreregs2<>(SB) | |
| MOVD 24(R1), R2 | |
| MOVD 16(R1), R0 | |
| MOVD R0, LR | |
| RET | |
| TEXT saveregs2<>(SB),NOSPLIT,$-8 | |
| // O=-288; for R in R{14..31}; do echo "\tMOVD\t$R, $O(R1)"|sed s/R30/g/; ((O+=8)); done; for F in F{14..31}; do echo "\tFMOVD\t$F, $O(R1)"; ((O+=8)); done | |
| MOVD R14, -288(R1) | |
| MOVD R15, -280(R1) | |
| MOVD R16, -272(R1) | |
| MOVD R17, -264(R1) | |
| MOVD R18, -256(R1) | |
| MOVD R19, -248(R1) | |
| MOVD R20, -240(R1) | |
| MOVD R21, -232(R1) | |
| MOVD R22, -224(R1) | |
| MOVD R23, -216(R1) | |
| MOVD R24, -208(R1) | |
| MOVD R25, -200(R1) | |
| MOVD R26, -192(R1) | |
| MOVD R27, -184(R1) | |
| MOVD R28, -176(R1) | |
| MOVD R29, -168(R1) | |
| MOVD g, -160(R1) | |
| MOVD R31, -152(R1) | |
| FMOVD F14, -144(R1) | |
| FMOVD F15, -136(R1) | |
| FMOVD F16, -128(R1) | |
| FMOVD F17, -120(R1) | |
| FMOVD F18, -112(R1) | |
| FMOVD F19, -104(R1) | |
| FMOVD F20, -96(R1) | |
| FMOVD F21, -88(R1) | |
| FMOVD F22, -80(R1) | |
| FMOVD F23, -72(R1) | |
| FMOVD F24, -64(R1) | |
| FMOVD F25, -56(R1) | |
| FMOVD F26, -48(R1) | |
| FMOVD F27, -40(R1) | |
| FMOVD F28, -32(R1) | |
| FMOVD F29, -24(R1) | |
| FMOVD F30, -16(R1) | |
| FMOVD F31, -8(R1) | |
| RET | |
| TEXT restoreregs2<>(SB),NOSPLIT,$-8 | |
| // O=-288; for R in R{14..31}; do echo "\tMOVD\t$O(R1), $R"|sed s/R30/g/; ((O+=8)); done; for F in F{14..31}; do echo "\tFMOVD\t$O(R1), $F"; ((O+=8)); done | |
| MOVD -288(R1), R14 | |
| MOVD -280(R1), R15 | |
| MOVD -272(R1), R16 | |
| MOVD -264(R1), R17 | |
| MOVD -256(R1), R18 | |
| MOVD -248(R1), R19 | |
| MOVD -240(R1), R20 | |
| MOVD -232(R1), R21 | |
| MOVD -224(R1), R22 | |
| MOVD -216(R1), R23 | |
| MOVD -208(R1), R24 | |
| MOVD -200(R1), R25 | |
| MOVD -192(R1), R26 | |
| MOVD -184(R1), R27 | |
| MOVD -176(R1), R28 | |
| MOVD -168(R1), R29 | |
| MOVD -160(R1), g | |
| MOVD -152(R1), R31 | |
| FMOVD -144(R1), F14 | |
| FMOVD -136(R1), F15 | |
| FMOVD -128(R1), F16 | |
| FMOVD -120(R1), F17 | |
| FMOVD -112(R1), F18 | |
| FMOVD -104(R1), F19 | |
| FMOVD -96(R1), F20 | |
| FMOVD -88(R1), F21 | |
| FMOVD -80(R1), F22 | |
| FMOVD -72(R1), F23 | |
| FMOVD -64(R1), F24 | |
| FMOVD -56(R1), F25 | |
| FMOVD -48(R1), F26 | |
| FMOVD -40(R1), F27 | |
| FMOVD -32(R1), F28 | |
| FMOVD -24(R1), F29 | |
| FMOVD -16(R1), F30 | |
| FMOVD -8(R1), F31 | |
| RET |