diff options
Diffstat (limited to 'src/pkg/syscall/asm_linux_arm.s')
| -rw-r--r-- | src/pkg/syscall/asm_linux_arm.s | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/pkg/syscall/asm_linux_arm.s b/src/pkg/syscall/asm_linux_arm.s index 04dbdb624..2651b7284 100644 --- a/src/pkg/syscall/asm_linux_arm.s +++ b/src/pkg/syscall/asm_linux_arm.s @@ -67,6 +67,34 @@ ok6: BL runtime·exitsyscall(SB) RET +// func RawSyscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr); +// Actually RawSyscall5 but the rest of the code expects it to be named RawSyscall6. +TEXT ·RawSyscall6(SB),7,$0 + MOVW 4(SP), R7 // syscall entry + MOVW 8(SP), R0 + MOVW 12(SP), R1 + MOVW 16(SP), R2 + MOVW 20(SP), R3 + MOVW 24(SP), R4 + MOVW 28(SP), R5 + SWI $0 + MOVW $0xfffff001, R6 + CMP R6, R0 + BLS ok2 + MOVW $-1, R1 + MOVW R1, 32(SP) // r1 + MOVW $0, R2 + MOVW R2, 36(SP) // r2 + RSB $0, R0, R0 + MOVW R0, 40(SP) // errno + RET +ok2: + MOVW R0, 32(SP) // r1 + MOVW R1, 36(SP) // r2 + MOVW $0, R0 + MOVW R0, 40(SP) // errno + RET + #define SYS__LLSEEK 140 /* from zsysnum_linux_arm.go */ // func Seek(fd int, offset int64, whence int) (newoffset int64, errno int) // Implemented in assembly to avoid allocation when |