syscall: make Syscall6 pass 6th arg on linux/386

R=rsc
CC=golang-dev
https://golang.org/cl/4350043

diff --git a/src/pkg/syscall/asm_linux_386.s b/src/pkg/syscall/asm_linux_386.s
index 52cd6e7419aa4d846769c182287af7ab3e1c2f36..404a8f3eda77ac50a2174820a3feb4ff7d63b643 100644 (file)
--- a/src/pkg/syscall/asm_linux_386.s
+++ b/src/pkg/syscall/asm_linux_386.s
@@ -34,7 +34,6 @@ ok:
        RET
 
 // func Syscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr);
-// Actually Syscall5 but the rest of the code expects it to be named Syscall6.
 TEXT   ·Syscall6(SB),7,$0
        CALL    runtime·entersyscall(SB)
        MOVL    4(SP), AX       // syscall entry
@@ -43,7 +42,7 @@ TEXT  ·Syscall6(SB),7,$0
        MOVL    16(SP), DX
        MOVL    20(SP), SI
        MOVL    24(SP), DI
-       // 28(SP) is ignored
+       MOVL    28(SP), BP
        INT     $0x80
        CMPL    AX, $0xfffff001
        JLS     ok6