diff options
Diffstat (limited to 'src/runtime/rt0_linux_mips64x.s')
| -rw-r--r-- | src/runtime/rt0_linux_mips64x.s | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/runtime/rt0_linux_mips64x.s b/src/runtime/rt0_linux_mips64x.s new file mode 100644 index 0000000..e9328b7 --- /dev/null +++ b/src/runtime/rt0_linux_mips64x.s @@ -0,0 +1,38 @@ +// Copyright 2015 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. + +//go:build linux && (mips64 || mips64le) + +#include "textflag.h" + +TEXT _rt0_mips64_linux(SB),NOSPLIT,$0 + JMP _main<>(SB) + +TEXT _rt0_mips64le_linux(SB),NOSPLIT,$0 + JMP _main<>(SB) + +TEXT _main<>(SB),NOSPLIT|NOFRAME,$0 + // In a statically linked binary, the stack contains argc, + // argv as argc string pointers followed by a NULL, envv as a + // sequence of string pointers followed by a NULL, and auxv. + // There is no TLS base pointer. +#ifdef GOARCH_mips64 + MOVW 4(R29), R4 // argc, big-endian ABI places int32 at offset 4 +#else + MOVW 0(R29), R4 // argc +#endif + ADDV $8, R29, R5 // argv + JMP main(SB) + +TEXT main(SB),NOSPLIT|NOFRAME,$0 + // in external linking, glibc jumps to main with argc in R4 + // and argv in R5 + + // initialize REGSB = PC&0xffffffff00000000 + BGEZAL R0, 1(PC) + SRLV $32, R31, RSB + SLLV $32, RSB + + MOVV $runtime·rt0_go(SB), R1 + JMP (R1) |