diff options
| author | Cherry Zhang <cherryyz@google.com> | 2020-10-21 20:43:16 -0400 |
|---|---|---|
| committer | Cherry Zhang <cherryyz@google.com> | 2020-10-30 21:13:24 +0000 |
| commit | 8414b1a5a40e5ef19508e4895b4c12a91fa498e7 (patch) | |
| tree | b65be785a3ade7b8d8c627313de8affe68f2a8be /src/runtime/debugcall.go | |
| parent | 420c68dd68c648af6642dd7e5cf6dacf9f067f6e (diff) | |
| download | go-8414b1a5a40e5ef19508e4895b4c12a91fa498e7.tar.xz | |
runtime: remove go115ReduceLiveness and go115RestartSeq
Make them always true. Delete code that are only executed when
they are false.
Change-Id: I6194fa00de23486c2b0a0c9075fe3a09d9c52762
Reviewed-on: https://go-review.googlesource.com/c/go/+/264339
Trust: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Austin Clements <austin@google.com>
Diffstat (limited to 'src/runtime/debugcall.go')
| -rw-r--r-- | src/runtime/debugcall.go | 34 |
1 files changed, 8 insertions, 26 deletions
diff --git a/src/runtime/debugcall.go b/src/runtime/debugcall.go index b5480c73ae..efc68a767d 100644 --- a/src/runtime/debugcall.go +++ b/src/runtime/debugcall.go @@ -76,32 +76,14 @@ func debugCallCheck(pc uintptr) string { return } - if !go115ReduceLiveness { - // Look up PC's register map. - pcdata := int32(-1) - if pc != f.entry { - pc-- - pcdata = pcdatavalue(f, _PCDATA_RegMapIndex, pc, nil) - } - if pcdata == -1 { - pcdata = 0 // in prologue - } - stkmap := (*stackmap)(funcdata(f, _FUNCDATA_RegPointerMaps)) - if pcdata == _PCDATA_RegMapUnsafe || stkmap == nil { - // Not at a safe point. - ret = debugCallUnsafePoint - return - } - } else { - // Check that this isn't an unsafe-point. - if pc != f.entry { - pc-- - } - up := pcdatavalue(f, _PCDATA_UnsafePoint, pc, nil) - if up != _PCDATA_UnsafePointSafe { - // Not at a safe point. - ret = debugCallUnsafePoint - } + // Check that this isn't an unsafe-point. + if pc != f.entry { + pc-- + } + up := pcdatavalue(f, _PCDATA_UnsafePoint, pc, nil) + if up != _PCDATA_UnsafePointSafe { + // Not at a safe point. + ret = debugCallUnsafePoint } }) return ret |