// Copyright 2018 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" // _rt0_ppc64_aix is a function descriptor of the entrypoint function // __start. This name is needed by cmd/link. DATA _rt0_ppc64_aix+0(SB)/8, $__start<>(SB) DATA _rt0_ppc64_aix+8(SB)/8, $TOC(SB) GLOBL _rt0_ppc64_aix(SB), NOPTR, $16 // The starting function must return in the loader to // initialise some librairies, especially libthread which // creates the main thread and adds the TLS in R13 // R19 contains a function descriptor to the loader function // which needs to be called. // This code is similar to the __start function in C TEXT __start<>(SB),NOSPLIT,$-8 XOR R0, R0 MOVD $libc___n_pthreads(SB), R4 MOVD 0(R4), R4 MOVD $libc___mod_init(SB), R5 MOVD 0(R5), R5 MOVD 0(R19), R0 MOVD R2, 40(R1) MOVD 8(R19), R2 MOVD R18, R3 MOVD R0, CTR BL (CTR) // Return to AIX loader // Launch rt0_go MOVD 40(R1), R2 MOVD R14, R3 // argc MOVD R15, R4 // argv MOVD $runtime·rt0_go(SB), R12 MOVD R12, CTR BR (CTR)