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| author | Than McIntosh <thanm@google.com> | 2020-09-17 15:35:31 -0400 |
|---|---|---|
| committer | Than McIntosh <thanm@google.com> | 2020-09-17 23:22:34 +0000 |
| commit | 982ac06f3df4ea08ae0506e6f9fb53eb27ddb140 (patch) | |
| tree | 7558d7c9765467633559a33aa98bf168cb28c16a /src/cmd | |
| parent | 75fab04b83a832eb84bec9e1f23d395a342c865c (diff) | |
| download | go-982ac06f3df4ea08ae0506e6f9fb53eb27ddb140.tar.xz | |
cmd/compile,cmd/asm: dump sym ABI versions for -S=2
When -S=2 is in effect for the compiler/assembler, include symbol ABI
values for defined symbols and relocations. This is intended to help
make it easier to distinguish between a symbol and its ABI wrapper.
Change-Id: Ifbf71372392075f15363b40e882b2132406b7d6d
Reviewed-on: https://go-review.googlesource.com/c/go/+/255718
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Diffstat (limited to 'src/cmd')
| -rw-r--r-- | src/cmd/internal/obj/objfile.go | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/cmd/internal/obj/objfile.go b/src/cmd/internal/obj/objfile.go index 7bc4f4992e..aede5fe71c 100644 --- a/src/cmd/internal/obj/objfile.go +++ b/src/cmd/internal/obj/objfile.go @@ -663,7 +663,11 @@ func (ctxt *Link) writeSymDebug(s *LSym) { } func (ctxt *Link) writeSymDebugNamed(s *LSym, name string) { - fmt.Fprintf(ctxt.Bso, "%s ", name) + ver := "" + if ctxt.Debugasm > 1 { + ver = fmt.Sprintf("<%d>", s.ABI()) + } + fmt.Fprintf(ctxt.Bso, "%s%s ", name, ver) if s.Type != 0 { fmt.Fprintf(ctxt.Bso, "%v ", s.Type) } @@ -726,15 +730,19 @@ func (ctxt *Link) writeSymDebugNamed(s *LSym, name string) { sort.Sort(relocByOff(s.R)) // generate stable output for _, r := range s.R { name := "" + ver := "" if r.Sym != nil { name = r.Sym.Name + if ctxt.Debugasm > 1 { + ver = fmt.Sprintf("<%d>", s.ABI()) + } } else if r.Type == objabi.R_TLS_LE { name = "TLS" } if ctxt.Arch.InFamily(sys.ARM, sys.PPC64) { - fmt.Fprintf(ctxt.Bso, "\trel %d+%d t=%d %s+%x\n", int(r.Off), r.Siz, r.Type, name, uint64(r.Add)) + fmt.Fprintf(ctxt.Bso, "\trel %d+%d t=%d %s%s+%x\n", int(r.Off), r.Siz, r.Type, name, ver, uint64(r.Add)) } else { - fmt.Fprintf(ctxt.Bso, "\trel %d+%d t=%d %s+%d\n", int(r.Off), r.Siz, r.Type, name, r.Add) + fmt.Fprintf(ctxt.Bso, "\trel %d+%d t=%d %s%s+%d\n", int(r.Off), r.Siz, r.Type, name, ver, r.Add) } } } |