| // Copyright 2019 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. | |
| package riscv64 | |
| import ( | |
| "cmd/internal/objabi" | |
| "cmd/internal/sys" | |
| "cmd/link/internal/ld" | |
| ) | |
| func Init() (*sys.Arch, ld.Arch) { | |
| arch := sys.ArchRISCV64 | |
| theArch := ld.Arch{ | |
| Funcalign: funcAlign, | |
| Maxalign: maxAlign, | |
| Minalign: minAlign, | |
| Dwarfregsp: dwarfRegSP, | |
| Dwarfreglr: dwarfRegLR, | |
| Adddynrel: adddynrel, | |
| Archinit: archinit, | |
| Archreloc: archreloc, | |
| Archrelocvariant: archrelocvariant, | |
| Extreloc: extreloc, | |
| // TrampLimit is set such that we always run the trampoline | |
| // generation code. This is necessary since calls to external | |
| // symbols require the use of trampolines, regardless of the | |
| // text size. | |
| TrampLimit: 1, | |
| Trampoline: trampoline, | |
| Gentext: gentext, | |
| GenSymsLate: genSymsLate, | |
| Machoreloc1: machoreloc1, | |
| ELF: ld.ELFArch{ | |
| Linuxdynld: "/lib/ld.so.1", | |
| Freebsddynld: "/usr/libexec/ld-elf.so.1", | |
| Netbsddynld: "XXX", | |
| Openbsddynld: "/usr/libexec/ld.so", | |
| Dragonflydynld: "XXX", | |
| Solarisdynld: "XXX", | |
| Reloc1: elfreloc1, | |
| RelocSize: 24, | |
| SetupPLT: elfsetupplt, | |
| }, | |
| } | |
| return arch, theArch | |
| } | |
| func archinit(ctxt *ld.Link) { | |
| switch ctxt.HeadType { | |
| case objabi.Hlinux, objabi.Hfreebsd, objabi.Hopenbsd: | |
| ld.Elfinit(ctxt) | |
| ld.HEADR = ld.ELFRESERVE | |
| if *ld.FlagRound == -1 { | |
| *ld.FlagRound = 0x10000 | |
| } | |
| if *ld.FlagTextAddr == -1 { | |
| *ld.FlagTextAddr = ld.Rnd(0x10000, *ld.FlagRound) + int64(ld.HEADR) | |
| } | |
| default: | |
| ld.Exitf("unknown -H option: %v", ctxt.HeadType) | |
| } | |
| } | |