diff options
Diffstat (limited to 'src/runtime/asm_arm.s')
-rw-r--r-- | src/runtime/asm_arm.s | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/src/runtime/asm_arm.s b/src/runtime/asm_arm.s index 6d3573d68f..a1164781d2 100644 --- a/src/runtime/asm_arm.s +++ b/src/runtime/asm_arm.s @@ -168,14 +168,13 @@ TEXT runtime·rt0_go(SB),NOSPLIT|NOFRAME|TOPFRAME,$0 BL runtime·schedinit(SB) // create a new goroutine to start program + SUB $8, R13 MOVW $runtime·mainPC(SB), R0 - MOVW.W R0, -4(R13) - MOVW $8, R0 - MOVW.W R0, -4(R13) + MOVW R0, 4(R13) // arg 1: fn MOVW $0, R0 - MOVW.W R0, -4(R13) // push $0 as guard + MOVW R0, 0(R13) // dummy LR BL runtime·newproc(SB) - MOVW $12(R13), R13 // pop args and LR + ADD $8, R13 // pop args and LR // start this M BL runtime·mstart(SB) @@ -507,20 +506,6 @@ CALLFN(·call268435456, 268435456) CALLFN(·call536870912, 536870912) CALLFN(·call1073741824, 1073741824) -// void jmpdefer(fn, sp); -// called from deferreturn. -// 1. grab stored LR for caller -// 2. sub 4 bytes to get back to BL deferreturn -// 3. B to fn -TEXT runtime·jmpdefer(SB),NOSPLIT,$0-8 - MOVW 0(R13), LR - MOVW $-4(LR), LR // BL deferreturn - MOVW fv+0(FP), R7 - MOVW argp+4(FP), R13 - MOVW $-4(R13), R13 // SP is 4 below argp, due to saved LR - MOVW 0(R7), R1 - B (R1) - // Save state of caller into g->sched, // but using fake PC from systemstack_switch. // Must only be called from functions with no locals ($0) |