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[release-branch.go1.16] debug/pe,debug/macho: add support for DWARF5 sections

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Adds the same logic used in debug/elf to load DWARF5 sections.

For #49590
Fixes #50721

Change-Id: Iee05b9927a6f521842b330eab8942ade3fc2bd86
Reviewed-on: https://go-review.googlesource.com/c/go/+/363895
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Than McIntosh <thanm@google.com>
(cherry picked from commit 6c36c332fefdd433cfe6e6468a2542fc310e9f8a)
Reviewed-on: https://go-review.googlesource.com/c/go/+/379915
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Alessandro Arzilli <alessandro.arzilli@gmail.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
This commit is contained in:
Alessandro Arzilli 2021-11-15 10:14:04 +01:00 committed by Ian Lance Taylor
parent 07ee9e6445
commit 355915ba91
2 changed files with 22 additions and 6 deletions
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12
src/debug/macho/file.go
View File

@ -650,10 +650,14 @@ func (f *File) DWARF() (*dwarf.Data, error) {
return nil, err return nil, err
} }
// Look for DWARF4 .debug_types sections. // Look for DWARF4 .debug_types sections and DWARF5 sections.
for i, s := range f.Sections { for i, s := range f.Sections {
suffix := dwarfSuffix(s) suffix := dwarfSuffix(s)
if suffix != "types" { if suffix == "" {
continue
}
if _, ok := dat[suffix]; ok {
// Already handled.
continue continue
} }
@ -662,7 +666,11 @@ func (f *File) DWARF() (*dwarf.Data, error) {
return nil, err return nil, err
} }
if suffix == "types" {
err = d.AddTypes(fmt.Sprintf("types-%d", i), b) err = d.AddTypes(fmt.Sprintf("types-%d", i), b)
} else {
err = d.AddSection(".debug_"+suffix, b)
}
if err != nil { if err != nil {
return nil, err return nil, err
} }

12
src/debug/pe/file.go
View File

@ -267,10 +267,14 @@ func (f *File) DWARF() (*dwarf.Data, error) {
return nil, err return nil, err
} }
// Look for DWARF4 .debug_types sections. // Look for DWARF4 .debug_types sections and DWARF5 sections.
for i, s := range f.Sections { for i, s := range f.Sections {
suffix := dwarfSuffix(s) suffix := dwarfSuffix(s)
if suffix != "types" { if suffix == "" {
continue
}
if _, ok := dat[suffix]; ok {
// Already handled.
continue continue
} }
@ -279,7 +283,11 @@ func (f *File) DWARF() (*dwarf.Data, error) {
return nil, err return nil, err
} }
if suffix == "types" {
err = d.AddTypes(fmt.Sprintf("types-%d", i), b) err = d.AddTypes(fmt.Sprintf("types-%d", i), b)
} else {
err = d.AddSection(".debug_"+suffix, b)
}
if err != nil { if err != nil {
return nil, err return nil, err
} }