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cmd/compile: add new symbol for debug line numbers

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This is broken out from: CL 187117

This new symbol will be populated by the compiler and contain debug line
information that's currently generated in the linker. One might say it's
sad to create a new symbol, but this symbol will replace the isStmt
symbols.

Testing: Ran go build -toolexec 'toolstash -cmp'

Change-Id: If8f7ae4b43b7247076605b6429b7d03a1fd239c5
Reviewed-on: https://go-review.googlesource.com/c/go/+/188238
Reviewed-by: Austin Clements <austin@google.com>
This commit is contained in:
Jeremy Faller 2019-07-30 17:48:11 -04:00
parent f4ca3c1e0a
commit 376fc48338
7 changed files with 22 additions and 14 deletions
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2
src/cmd/internal/obj/plist.go
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@ -137,7 +137,7 @@ func (ctxt *Link) InitTextSym(s *LSym, flag int) {
ctxt.Text = append(ctxt.Text, s)
// Set up DWARF entries for s.
info, loc, ranges, _, isstmt := ctxt.dwarfSym(s)
info, loc, ranges, _, isstmt, _ := ctxt.dwarfSym(s)
info.Type = objabi.SDWARFINFO
info.Set(AttrDuplicateOK, s.DuplicateOK())
if loc != nil {