diff options
Diffstat (limited to 'src/cmd/link/internal/ld/lib.go')
| -rw-r--r-- | src/cmd/link/internal/ld/lib.go | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/src/cmd/link/internal/ld/lib.go b/src/cmd/link/internal/ld/lib.go index 66f0a514a4..ae56a653dd 100644 --- a/src/cmd/link/internal/ld/lib.go +++ b/src/cmd/link/internal/ld/lib.go @@ -558,19 +558,30 @@ func loadlib() { Ctxt.Tlsg = tlsg moduledata := Linklookup(Ctxt, "runtime.firstmoduledata", 0) - if moduledata.Type == 0 || moduledata.Type == obj.SDYNIMPORT { - // If the module we are linking does not define the - // runtime.firstmoduledata symbol, create a local symbol for - // the moduledata. + if moduledata.Type != 0 && moduledata.Type != obj.SDYNIMPORT { + // If the module (toolchain-speak for "executable or shared + // library") we are linking contains the runtime package, it + // will define the runtime.firstmoduledata symbol and we + // truncate it back to 0 bytes so we can define its entire + // contents in symtab.go:symtab(). + moduledata.Size = 0 + + // In addition, on ARM, the runtime depends on the linker + // recording the value of GOARM. + if Thearch.Thechar == '5' { + s := Linklookup(Ctxt, "runtime.goarm", 0) + + s.Type = obj.SRODATA + Adduint8(Ctxt, s, uint8(Ctxt.Goarm)) + } + } else { + // If OTOH the module does not contain the runtime package, + // create a local symbol for the moduledata. moduledata = Linklookup(Ctxt, "local.moduledata", 0) moduledata.Local = true - } else { - // If OTOH the module does define the symbol, we truncate the - // symbol back to 0 bytes so we can define its entire - // contents. - moduledata.Size = 0 } - // Either way we mark it as noptrdata to hide it from the GC. + // In all cases way we mark the moduledata as noptrdata to hide it from + // the GC. moduledata.Type = obj.SNOPTRDATA moduledata.Reachable = true Ctxt.Moduledata = moduledata |