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cmd/link: fix PE section attributes for windows/arm64

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The clang-mingw toolchain on windows/arm64 expects
.text to NOT be listed as containing initialized data and
.dwarf* to be listed as  containing initialized data.
Neither is true today, resulting in the go .text and .dwarf*
not being merged with the system .text and .dwarf*.
Having multiple .text and .dwarf* sections confuses all
kinds of tools.

Change-Id: I1b9832804c5f5d594bf19e8ee0a5ed31bc1d381d
Reviewed-on: https://go-review.googlesource.com/c/go/+/312032
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Russ Cox 2021-04-20 15:00:35 -04:00
parent 073f913949
commit c0e1301b8c
1 changed files with 2 additions and 2 deletions
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4
src/cmd/link/internal/ld/pe.go
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@ -452,7 +452,7 @@ func (f *peFile) addDWARFSection(name string, size int) *peSection {
off := f.stringTable.add(name)
h := f.addSection(name, size, size)
h.shortName = fmt.Sprintf("/%d", off)
h.characteristics = IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_DISCARDABLE
h.characteristics = IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_DISCARDABLE | IMAGE_SCN_CNT_INITIALIZED_DATA
return h
}
@ -1593,7 +1593,7 @@ func addpersrc(ctxt *Link) {
func asmbPe(ctxt *Link) {
t := pefile.addSection(".text", int(Segtext.Length), int(Segtext.Length))
t.characteristics = IMAGE_SCN_CNT_CODE | IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ
t.characteristics = IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ
if ctxt.LinkMode == LinkExternal {
// some data symbols (e.g. masks) end up in the .text section, and they normally
// expect larger alignment requirement than the default text section alignment.