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[dev.link] cmd/compile, cmd/asm: delete old object file format support

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There are more cleanups to do, but I want to keep this CL mostly
a pure deletion.

Change-Id: Icd2ff0a4b648eb4adf3d29386542617e49620818
Reviewed-on: https://go-review.googlesource.com/c/go/+/206398
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Cherry Zhang 2019-11-11 14:49:37 -05:00
parent aacffb6576
commit 181faef82c
8 changed files with 19 additions and 370 deletions
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3
src/cmd/compile/internal/gc/main.go
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@ -277,7 +277,6 @@ func Main(archInit func(*Arch)) {
flag.StringVar(&benchfile, "bench", "", "append benchmark times to `file`")
flag.BoolVar(&smallFrames, "smallframes", false, "reduce the size limit for stack allocated objects")
flag.BoolVar(&Ctxt.UseBASEntries, "dwarfbasentries", Ctxt.UseBASEntries, "use base address selection entries in DWARF")
flag.BoolVar(&Ctxt.Flag_newobj, "newobj", true, "use new object file format")
flag.StringVar(&jsonLogOpt, "json", "", "version,destination for JSON compiler/optimizer logging")
objabi.Flagparse(usage)
@ -285,7 +284,7 @@ func Main(archInit func(*Arch)) {
// Record flags that affect the build result. (And don't
// record flags that don't, since that would cause spurious
// changes in the binary.)
recordFlags("B", "N", "l", "msan", "race", "shared", "dynlink", "dwarflocationlists", "dwarfbasentries", "smallframes", "newobj")
recordFlags("B", "N", "l", "msan", "race", "shared", "dynlink", "dwarflocationlists", "dwarfbasentries", "smallframes")
if smallFrames {
maxStackVarSize = 128 * 1024