| // Copyright 2020 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 "textflag.h" |
| |
| TEXT _rt0_mips64_openbsd(SB),NOSPLIT,$0 |
| JMP _main<>(SB) |
| |
| TEXT _rt0_mips64le_openbsd(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) |
