diff options
| -rw-r--r-- | src/cmd/dist/test.go | 2 | ||||
| -rw-r--r-- | src/cmd/link/internal/loong64/asm.go | 42 | ||||
| -rw-r--r-- | src/internal/platform/supported.go | 2 | ||||
| -rw-r--r-- | src/runtime/asm_loong64.s | 11 |
4 files changed, 54 insertions, 3 deletions
diff --git a/src/cmd/dist/test.go b/src/cmd/dist/test.go index 9635c4fb61..4450129e08 100644 --- a/src/cmd/dist/test.go +++ b/src/cmd/dist/test.go @@ -1627,7 +1627,7 @@ func buildModeSupported(compiler, buildmode, goos, goarch string) bool { case "plugin": switch platform { - case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/s390x", "linux/ppc64le", + case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/loong64", "linux/s390x", "linux/ppc64le", "android/amd64", "android/386", "darwin/amd64", "darwin/arm64", "freebsd/amd64": diff --git a/src/cmd/link/internal/loong64/asm.go b/src/cmd/link/internal/loong64/asm.go index fc7bad9039..6607e5dc64 100644 --- a/src/cmd/link/internal/loong64/asm.go +++ b/src/cmd/link/internal/loong64/asm.go @@ -14,7 +14,47 @@ import ( "log" ) -func gentext(ctxt *ld.Link, ldr *loader.Loader) {} +func gentext(ctxt *ld.Link, ldr *loader.Loader) { + initfunc, addmoduledata := ld.PrepareAddmoduledata(ctxt) + if initfunc == nil { + return + } + + o := func(op uint32) { + initfunc.AddUint32(ctxt.Arch, op) + } + + // Emit the following function: + // + // local.dso_init: + // la.pcrel $a0, local.moduledata + // b runtime.addmoduledata + + // 0000000000000000 <local.dso_init>: + // 0: 1a000004 pcalau12i $a0, 0 + // 0: R_LARCH_PCALA_HI20 local.moduledata + o(0x1a000004) + rel, _ := initfunc.AddRel(objabi.R_ADDRLOONG64U) + rel.SetOff(0) + rel.SetSiz(4) + rel.SetSym(ctxt.Moduledata) + + // 4: 02c00084 addi.d $a0, $a0, 0 + // 4: R_LARCH_PCALA_LO12 local.moduledata + o(0x02c00084) + rel2, _ := initfunc.AddRel(objabi.R_ADDRLOONG64) + rel2.SetOff(4) + rel2.SetSiz(4) + rel2.SetSym(ctxt.Moduledata) + + // 8: 50000000 b 0 + // 8: R_LARCH_B26 runtime.addmoduledata + o(0x50000000) + rel3, _ := initfunc.AddRel(objabi.R_CALLLOONG64) + rel3.SetOff(8) + rel3.SetSiz(4) + rel3.SetSym(addmoduledata) +} func adddynrel(target *ld.Target, ldr *loader.Loader, syms *ld.ArchSyms, s loader.Sym, r loader.Reloc, rIdx int) bool { log.Fatalf("adddynrel not implemented") diff --git a/src/internal/platform/supported.go b/src/internal/platform/supported.go index 4589903550..82c66e2195 100644 --- a/src/internal/platform/supported.go +++ b/src/internal/platform/supported.go @@ -206,7 +206,7 @@ func BuildModeSupported(compiler, buildmode, goos, goarch string) bool { case "plugin": switch platform { - case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/s390x", "linux/ppc64le", + case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/loong64", "linux/s390x", "linux/ppc64le", "android/amd64", "android/386", "darwin/amd64", "darwin/arm64", "freebsd/amd64": diff --git a/src/runtime/asm_loong64.s b/src/runtime/asm_loong64.s index 93550b9342..8a1eae3740 100644 --- a/src/runtime/asm_loong64.s +++ b/src/runtime/asm_loong64.s @@ -642,6 +642,17 @@ TEXT runtime·goexit(SB),NOSPLIT|NOFRAME|TOPFRAME,$0-0 // traceback from goexit1 must hit code range of goexit NOOP +// This is called from .init_array and follows the platform, not Go, ABI. +TEXT runtime·addmoduledata(SB),NOSPLIT,$0-0 + ADDV $-0x10, R3 + MOVV R30, 8(R3) // The access to global variables below implicitly uses R30, which is callee-save + MOVV runtime·lastmoduledatap(SB), R12 + MOVV R4, moduledata_next(R12) + MOVV R4, runtime·lastmoduledatap(SB) + MOVV 8(R3), R30 + ADDV $0x10, R3 + RET + TEXT ·checkASM(SB),NOSPLIT,$0-1 MOVW $1, R19 MOVB R19, ret+0(FP) |