diff options
Diffstat (limited to 'src/runtime/asm_arm.s')
| -rw-r--r-- | src/runtime/asm_arm.s | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/runtime/asm_arm.s b/src/runtime/asm_arm.s index 23619b1408..109030aada 100644 --- a/src/runtime/asm_arm.s +++ b/src/runtime/asm_arm.s @@ -552,6 +552,21 @@ TEXT gosave<>(SB),NOSPLIT|NOFRAME,$0 CALL runtime·badctxt(SB) RET +// func asmcgocall_no_g(fn, arg unsafe.Pointer) +// Call fn(arg) aligned appropriately for the gcc ABI. +// Called on a system stack, and there may be no g yet (during needm). +TEXT ·asmcgocall_no_g(SB),NOSPLIT,$0-8 + MOVW fn+0(FP), R1 + MOVW arg+4(FP), R0 + MOVW R13, R2 + SUB $32, R13 + BIC $0x7, R13 // alignment for gcc ABI + MOVW R2, 8(R13) + BL (R1) + MOVW 8(R13), R2 + MOVW R2, R13 + RET + // func asmcgocall(fn, arg unsafe.Pointer) int32 // Call fn(arg) on the scheduler stack, // aligned appropriately for the gcc ABI. |