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runtime: fix solaris build

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nanotime1 is not a Go function and must not store its result at 0(FP).
That overwrites some data owned by the caller.

TBR=aram
CC=golang-codereviews
https://golang.org/cl/138730043
This commit is contained in:
Russ Cox 2014-08-27 14:52:25 -04:00
parent c548cc2ec8
commit 997809c809
1 changed files with 4 additions and 1 deletions
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5
src/pkg/runtime/sys_solaris_amd64.s
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@ -18,6 +18,7 @@ TEXT runtime·settls(SB),NOSPLIT,$8
// Set the TLS errno pointer in M.
//
// Called using runtime·asmcgocall from os_solaris.c:/minit.
// NOT USING GO CALLING CONVENTION.
TEXT runtime·miniterrno(SB),NOSPLIT,$0
// asmcgocall will put first argument into DI.
CALL DI // SysV ABI so returns in AX
@ -33,6 +34,7 @@ TEXT runtime·miniterrno(SB),NOSPLIT,$0
// runtime·nanotime stack.
//
// Called using runtime·sysvicall6 from os_solaris.c:/nanotime.
// NOT USING GO CALLING CONVENTION.
TEXT runtime·nanotime1(SB),NOSPLIT,$0
// need space for the timespec argument.
SUBQ $64, SP // 16 bytes will do, but who knows in the future?
@ -44,10 +46,10 @@ TEXT runtime·nanotime1(SB),NOSPLIT,$0
IMULQ $1000000000, AX // multiply into nanoseconds
ADDQ 8(SP), AX // tv_nsec, offset should be stable.
ADDQ $64, SP
MOVQ AX, ret+0(FP)
RET
// pipe(3c) wrapper that returns fds in AX, DX.
// NOT USING GO CALLING CONVENTION.
TEXT runtime·pipe1(SB),NOSPLIT,$0
SUBQ $16, SP // 8 bytes will do, but stack has to be 16-byte alligned
MOVQ SP, DI
@ -67,6 +69,7 @@ TEXT runtime·pipe1(SB),NOSPLIT,$0
// section 3.2.3.
//
// Called by runtime·asmcgocall or runtime·cgocall.
// NOT USING GO CALLING CONVENTION.
TEXT runtime·asmsysvicall6(SB),NOSPLIT,$0
// asmcgocall will put first argument into DI.
PUSHQ DI // save for later