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cmd/link: introduce and use peFile.textSect, dataSect and bssSect

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Change-Id: I6a1d33a759deaa4788bafb1c288d9b0e2fe3b026
Reviewed-on: https://go-review.googlesource.com/56317
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Alex Brainman 2017-06-05 15:51:26 +10:00
parent 2c3d13b210
commit 97246527e8
1 changed files with 10 additions and 13 deletions
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23
src/cmd/link/internal/ld/pe.go
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@ -328,12 +328,6 @@ var nextsectoff int
var nextfileoff int
var textsect int
var datasect int
var bsssect int
var fh IMAGE_FILE_HEADER
var oh IMAGE_OPTIONAL_HEADER
@ -456,6 +450,9 @@ func (sect *peSection) write() error {
type peFile struct {
sections []*peSection
stringTable peStringTable
textSect *peSection
dataSect *peSection
bssSect *peSection
}
// addSection adds section to the COFF file f.
@ -1066,14 +1063,14 @@ func writePESymTableRecords(ctxt *Link) int {
// it still belongs to the .data section, not the .bss section.
if uint64(s.Value) >= Segdata.Vaddr+Segdata.Filelen && s.Type != SDATA && Linkmode == LinkExternal {
value = int64(uint64(s.Value) - Segdata.Vaddr - Segdata.Filelen)
sect = bsssect
sect = pefile.bssSect.index
} else {
value = int64(uint64(s.Value) - Segdata.Vaddr)
sect = datasect
sect = pefile.dataSect.index
}
} else if s.Sect != nil && s.Sect.Seg == &Segtext {
value = int64(uint64(s.Value) - Segtext.Vaddr)
sect = textsect
sect = pefile.textSect.index
} else if type_ == UndefinedSym {
typ = IMAGE_SYM_DTYPE_FUNCTION
} else {
@ -1232,7 +1229,7 @@ func Asmbpe(ctxt *Link) {
t.Characteristics |= IMAGE_SCN_ALIGN_32BYTES
}
t.checkSegment(&Segtext)
textsect = pensect
pefile.textSect = t
var d *peSection
var c *peSection
@ -1240,17 +1237,17 @@ func Asmbpe(ctxt *Link) {
d = pefile.addSection(".data", int(Segdata.Length), int(Segdata.Filelen))
d.Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE
d.checkSegment(&Segdata)
datasect = pensect
pefile.dataSect = d
} else {
d = pefile.addSection(".data", int(Segdata.Filelen), int(Segdata.Filelen))
d.Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE | IMAGE_SCN_ALIGN_32BYTES
d.checkSegment(&Segdata)
datasect = pensect
pefile.dataSect = d
b := pefile.addSection(".bss", int(Segdata.Length-Segdata.Filelen), 0)
b.Characteristics = IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE | IMAGE_SCN_ALIGN_32BYTES
b.PointerToRawData = 0
bsssect = pensect
pefile.bssSect = b
}
if !*FlagS {