diff options
Diffstat (limited to 'src/pkg/runtime/plan9/386/rt0.s')
| -rw-r--r-- | src/pkg/runtime/plan9/386/rt0.s | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/pkg/runtime/plan9/386/rt0.s b/src/pkg/runtime/plan9/386/rt0.s new file mode 100644 index 000000000..b56c8b325 --- /dev/null +++ b/src/pkg/runtime/plan9/386/rt0.s @@ -0,0 +1,32 @@ +// Copyright 2010 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. + +TEXT _rt0_386_plan9(SB),7, $0 + MOVL AX, _tos(SB) + + // move arguments down to make room for + // m and g at top of stack, right before Tos. + MOVL SP, SI + SUBL $8, SP + MOVL SP, DI + + MOVL AX, CX + SUBL SI, CX + CLD + REP; MOVSB + + // adjust argv + SUBL SI, DI + MOVL newargc+0(SP), CX + LEAL newargv+4(SP), BP +argv_fix: + ADDL DI, 0(BP) + ADDL $4, BP + LOOP argv_fix + + JMP _rt0_386(SB) + +DATA runtime·isplan9(SB)/4, $1 +GLOBL runtime·isplan9(SB), $4 +GLOBL _tos(SB), $4 |