diff options
Diffstat (limited to 'src/pkg/runtime/sys_arm.c')
-rw-r--r-- | src/pkg/runtime/sys_arm.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/src/pkg/runtime/sys_arm.c b/src/pkg/runtime/sys_arm.c deleted file mode 100644 index a65560e5b..000000000 --- a/src/pkg/runtime/sys_arm.c +++ /dev/null @@ -1,35 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -#include "runtime.h" - -// adjust Gobuf as if it executed a call to fn with context ctxt -// and then did an immediate Gosave. -void -runtime·gostartcall(Gobuf *gobuf, void (*fn)(void), void *ctxt) -{ - if(gobuf->lr != 0) - runtime·throw("invalid use of gostartcall"); - gobuf->lr = gobuf->pc; - gobuf->pc = (uintptr)fn; - gobuf->ctxt = ctxt; -} - -// Called to rewind context saved during morestack back to beginning of function. -// To help us, the linker emits a jmp back to the beginning right after the -// call to morestack. We just have to decode and apply that jump. -void -runtime·rewindmorestack(Gobuf *gobuf) -{ - uint32 inst; - - inst = *(uint32*)gobuf->pc; - if((gobuf->pc&3) == 0 && (inst>>24) == 0x9a) { - //runtime·printf("runtime: rewind pc=%p to pc=%p\n", gobuf->pc, gobuf->pc + ((int32)(inst<<8)>>6) + 8); - gobuf->pc += ((int32)(inst<<8)>>6) + 8; - return; - } - runtime·printf("runtime: pc=%p %x\n", gobuf->pc, inst); - runtime·throw("runtime: misuse of rewindmorestack"); -} |