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runtime/cgo: add context argument to crosscall2 on mips64 

Change-Id: Id018516075842afd8af12fbf207763a851d5a851
Reviewed-on: https://go-review.googlesource.com/22754
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Cherry Zhang 2016-05-03 13:49:54 -07:00 committed by Minux Ma
parent 082881daf8
commit 6e90432342
1 changed files with 44 additions and 42 deletions
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86
src/runtime/cgo/asm_mips64x.s
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@ -7,38 +7,39 @@
#include "textflag.h"
/*
* void crosscall2(void (*fn)(void*, int32), void*, int32)
* void crosscall2(void (*fn)(void*, int32, uintptr), void*, int32, uintptr)
* Save registers and call fn with two arguments.
*/
TEXT crosscall2(SB),NOSPLIT,$-8
/*
* We still need to save all callee save register as before, and then
* push 2 args for fn (R5 and R6).
* push 3 args for fn (R5, R6, R7).
* Also note that at procedure entry in gc world, 8(R29) will be the
* first arg.
*/
ADDV $(-8*22), R29
ADDV $(-8*23), R29
MOVV R5, (8*1)(R29)
MOVV R6, (8*2)(R29)
MOVV R16, (8*3)(R29)
MOVV R17, (8*4)(R29)
MOVV R18, (8*5)(R29)
MOVV R19, (8*6)(R29)
MOVV R20, (8*7)(R29)
MOVV R21, (8*8)(R29)
MOVV R22, (8*9)(R29)
MOVV R23, (8*10)(R29)
MOVV RSB, (8*11)(R29)
MOVV g, (8*12)(R29)
MOVV R31, (8*13)(R29)
MOVD F24, (8*14)(R29)
MOVD F25, (8*15)(R29)
MOVD F26, (8*16)(R29)
MOVD F27, (8*17)(R29)
MOVD F28, (8*18)(R29)
MOVD F29, (8*19)(R29)
MOVD F30, (8*20)(R29)
MOVD F31, (8*21)(R29)
MOVV R7, (8*3)(R29)
MOVV R16, (8*4)(R29)
MOVV R17, (8*5)(R29)
MOVV R18, (8*6)(R29)
MOVV R19, (8*7)(R29)
MOVV R20, (8*8)(R29)
MOVV R21, (8*9)(R29)
MOVV R22, (8*10)(R29)
MOVV R23, (8*11)(R29)
MOVV RSB, (8*12)(R29)
MOVV g, (8*13)(R29)
MOVV R31, (8*14)(R29)
MOVD F24, (8*15)(R29)
MOVD F25, (8*16)(R29)
MOVD F26, (8*17)(R29)
MOVD F27, (8*18)(R29)
MOVD F28, (8*19)(R29)
MOVD F29, (8*20)(R29)
MOVD F30, (8*21)(R29)
MOVD F31, (8*22)(R29)
// Initialize Go ABI environment
// prepare SB register = PC & 0xffffffff00000000
@ -51,24 +52,25 @@ TEXT crosscall2(SB),NOSPLIT,$-8
MOVV (8*1)(R29), R5
MOVV (8*2)(R29), R6
MOVV (8*3)(R29), R16
MOVV (8*4)(R29), R17
MOVV (8*5)(R29), R18
MOVV (8*6)(R29), R19
MOVV (8*7)(R29), R20
MOVV (8*8)(R29), R21
MOVV (8*9)(R29), R22
MOVV (8*10)(R29), R23
MOVV (8*11)(R29), RSB
MOVV (8*12)(R29), g
MOVV (8*13)(R29), R31
MOVD (8*14)(R29), F24
MOVD (8*15)(R29), F25
MOVD (8*16)(R29), F26
MOVD (8*17)(R29), F27
MOVD (8*18)(R29), F28
MOVD (8*19)(R29), F29
MOVD (8*20)(R29), F30
MOVD (8*21)(R29), F31
ADDV $(8*22), R29
MOVV (8*3)(R29), R7
MOVV (8*4)(R29), R16
MOVV (8*5)(R29), R17
MOVV (8*6)(R29), R18
MOVV (8*7)(R29), R19
MOVV (8*8)(R29), R20
MOVV (8*9)(R29), R21
MOVV (8*10)(R29), R22
MOVV (8*11)(R29), R23
MOVV (8*12)(R29), RSB
MOVV (8*13)(R29), g
MOVV (8*14)(R29), R31
MOVD (8*15)(R29), F24
MOVD (8*16)(R29), F25
MOVD (8*17)(R29), F26
MOVD (8*18)(R29), F27
MOVD (8*19)(R29), F28
MOVD (8*20)(R29), F29
MOVD (8*21)(R29), F30
MOVD (8*22)(R29), F31
ADDV $(8*23), R29
RET