diff options
| author | Russ Cox <rsc@golang.org> | 2014-04-16 17:11:44 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-04-16 17:11:44 -0400 |
| commit | cc08d9232c4875a11b9e2a8097e069467d79f31f (patch) | |
| tree | 03a531b03b0221d27193628b1990e2b7baa6f087 /src/pkg | |
| parent | 0de521d111b88b2bc6466a4e1f29a8a284c0b3ee (diff) | |
| download | go-cc08d9232c4875a11b9e2a8097e069467d79f31f.tar.xz | |
liblink: add leaf bit to object file format
Without the leaf bit, the linker cannot record
the correct frame size in the symbol table, and
then stack traces get mangled. (Only for ARM.)
Fixes #7338.
Fixes #7347.
LGTM=iant
R=iant
CC=golang-codereviews
https://golang.org/cl/88550043
Diffstat (limited to 'src/pkg')
| -rw-r--r-- | src/pkg/debug/goobj/read.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/pkg/debug/goobj/read.go b/src/pkg/debug/goobj/read.go index 8882eae534..c2e6fa0927 100644 --- a/src/pkg/debug/goobj/read.go +++ b/src/pkg/debug/goobj/read.go @@ -190,6 +190,7 @@ type Var struct { type Func struct { Args int // size in bytes of of argument frame: inputs and outputs Frame int // size in bytes of local variable frame + Leaf bool // function omits save of link register (ARM) Var []Var // detail about local variables PCSP Data // PC → SP offset map PCFile Data // PC → file number map (index into File) @@ -621,6 +622,7 @@ func (r *objReader) parseObject(prefix []byte) error { s.Func = f f.Args = r.readInt() f.Frame = r.readInt() + f.Leaf = r.readInt() != 0 f.Var = make([]Var, r.readInt()) for i := range f.Var { v := &f.Var[i] |