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runtime: correct sigfwd on openbsd/mips64

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Position independent code expects that R25 (aka $t9) contains the address of the
called function. As such, use R25 when calling from sigfwd.

Change-Id: I66b2b9bfa1f1bb983c7385eb2eaa19d9cd87d9fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/275893
Trust: Joel Sing <joel@sing.id.au>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Joel Sing 2020-12-08 04:21:33 +11:00
parent 6362d01c15
commit 9c91cab0da
1 changed files with 2 additions and 2 deletions
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4
src/runtime/sys_openbsd_mips64.s
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@ -244,8 +244,8 @@ TEXT runtime·sigfwd(SB),NOSPLIT,$0-32
MOVW sig+8(FP), R4
MOVV info+16(FP), R5
MOVV ctx+24(FP), R6
MOVV fn+0(FP), R7
CALL (R7) // Alignment for ELF ABI?
MOVV fn+0(FP), R25 // Must use R25, needed for PIC code.
CALL (R25)
RET
TEXT runtime·sigtramp(SB),NOSPLIT,$192