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-rw-r--r--src/debug/elf/file.go77
-rw-r--r--src/debug/elf/file_test.go623
-rw-r--r--src/debug/elf/testdata/go-relocation-test-gcc930-ranges-no-rela-x86-64bin0 -> 5696 bytes
-rw-r--r--src/debug/elf/testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64bin0 -> 7680 bytes
-rw-r--r--src/debug/elf/testdata/multiple-code-sections.c28
5 files changed, 427 insertions, 301 deletions
diff --git a/src/debug/elf/file.go b/src/debug/elf/file.go
index 1e863ef78e..cd5bf8fab0 100644
--- a/src/debug/elf/file.go
+++ b/src/debug/elf/file.go
@@ -628,23 +628,14 @@ func (f *File) applyRelocations(dst []byte, rels []byte) error {
}
}
-// relocSymbolTargetOK decides whether we should try to apply a
+// canApplyRelocation reports whether we should try to apply a
// relocation to a DWARF data section, given a pointer to the symbol
-// targeted by the relocation. Most relocations in DWARF data tend to
-// be section-relative, but some target non-section symbols (for
-// example, low_PC attrs on subprogram or compilation unit DIEs that
-// target function symbols), and we need to include these as well.
-// Return value is a pair (X,Y) where X is a boolean indicating
-// whether the relocation is needed, and Y is the symbol value in the
-// case of a non-section relocation that needs to be applied.
-func relocSymbolTargetOK(sym *Symbol) (bool, uint64) {
- if ST_TYPE(sym.Info) == STT_SECTION {
- return true, 0
- }
- if sym.Section != SHN_UNDEF && sym.Section < SHN_LORESERVE {
- return true, sym.Value
- }
- return false, 0
+// targeted by the relocation.
+// Most relocations in DWARF data tend to be section-relative, but
+// some target non-section symbols (for example, low_PC attrs on
+// subprogram or compilation unit DIEs that target function symbols).
+func canApplyRelocation(sym *Symbol) bool {
+ return sym.Section != SHN_UNDEF && sym.Section < SHN_LORESERVE
}
func (f *File) applyRelocationsAMD64(dst []byte, rels []byte) error {
@@ -670,8 +661,7 @@ func (f *File) applyRelocationsAMD64(dst []byte, rels []byte) error {
continue
}
sym := &symbols[symNo-1]
- needed, val := relocSymbolTargetOK(sym)
- if !needed {
+ if !canApplyRelocation(sym) {
continue
}
@@ -684,13 +674,13 @@ func (f *File) applyRelocationsAMD64(dst []byte, rels []byte) error {
if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val64 := val + uint64(rela.Addend)
+ val64 := sym.Value + uint64(rela.Addend)
f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64)
case R_X86_64_32:
if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val32 := uint32(val) + uint32(rela.Addend)
+ val32 := uint32(sym.Value) + uint32(rela.Addend)
f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
}
}
@@ -796,8 +786,7 @@ func (f *File) applyRelocationsARM64(dst []byte, rels []byte) error {
continue
}
sym := &symbols[symNo-1]
- needed, val := relocSymbolTargetOK(sym)
- if !needed {
+ if !canApplyRelocation(sym) {
continue
}
@@ -810,13 +799,13 @@ func (f *File) applyRelocationsARM64(dst []byte, rels []byte) error {
if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val64 := uint64(val) + uint64(rela.Addend)
+ val64 := sym.Value + uint64(rela.Addend)
f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64)
case R_AARCH64_ABS32:
if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val32 := uint32(val) + uint32(rela.Addend)
+ val32 := uint32(sym.Value) + uint32(rela.Addend)
f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
}
}
@@ -847,8 +836,7 @@ func (f *File) applyRelocationsPPC(dst []byte, rels []byte) error {
continue
}
sym := &symbols[symNo-1]
- needed, val := relocSymbolTargetOK(sym)
- if !needed {
+ if !canApplyRelocation(sym) {
continue
}
@@ -857,7 +845,7 @@ func (f *File) applyRelocationsPPC(dst []byte, rels []byte) error {
if rela.Off+4 >= uint32(len(dst)) || rela.Addend < 0 {
continue
}
- val32 := uint32(val) + uint32(rela.Addend)
+ val32 := uint32(sym.Value) + uint32(rela.Addend)
f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
}
}
@@ -888,8 +876,7 @@ func (f *File) applyRelocationsPPC64(dst []byte, rels []byte) error {
continue
}
sym := &symbols[symNo-1]
- needed, val := relocSymbolTargetOK(sym)
- if !needed {
+ if !canApplyRelocation(sym) {
continue
}
@@ -898,13 +885,13 @@ func (f *File) applyRelocationsPPC64(dst []byte, rels []byte) error {
if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val64 := val + uint64(rela.Addend)
+ val64 := sym.Value + uint64(rela.Addend)
f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64)
case R_PPC64_ADDR32:
if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val32 := uint32(val) + uint32(rela.Addend)
+ val32 := uint32(sym.Value) + uint32(rela.Addend)
f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
}
}
@@ -980,8 +967,7 @@ func (f *File) applyRelocationsMIPS64(dst []byte, rels []byte) error {
continue
}
sym := &symbols[symNo-1]
- needed, val := relocSymbolTargetOK(sym)
- if !needed {
+ if !canApplyRelocation(sym) {
continue
}
@@ -990,13 +976,13 @@ func (f *File) applyRelocationsMIPS64(dst []byte, rels []byte) error {
if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val64 := val + uint64(rela.Addend)
+ val64 := sym.Value + uint64(rela.Addend)
f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64)
case R_MIPS_32:
if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val32 := uint32(val) + uint32(rela.Addend)
+ val32 := uint32(sym.Value) + uint32(rela.Addend)
f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
}
}
@@ -1027,8 +1013,7 @@ func (f *File) applyRelocationsRISCV64(dst []byte, rels []byte) error {
continue
}
sym := &symbols[symNo-1]
- needed, val := relocSymbolTargetOK(sym)
- if !needed {
+ if !canApplyRelocation(sym) {
continue
}
@@ -1037,13 +1022,13 @@ func (f *File) applyRelocationsRISCV64(dst []byte, rels []byte) error {
if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val64 := val + uint64(rela.Addend)
+ val64 := sym.Value + uint64(rela.Addend)
f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64)
case R_RISCV_32:
if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val32 := uint32(val) + uint32(rela.Addend)
+ val32 := uint32(sym.Value) + uint32(rela.Addend)
f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
}
}
@@ -1074,8 +1059,7 @@ func (f *File) applyRelocationss390x(dst []byte, rels []byte) error {
continue
}
sym := &symbols[symNo-1]
- needed, val := relocSymbolTargetOK(sym)
- if !needed {
+ if !canApplyRelocation(sym) {
continue
}
@@ -1084,13 +1068,13 @@ func (f *File) applyRelocationss390x(dst []byte, rels []byte) error {
if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val64 := val + uint64(rela.Addend)
+ val64 := sym.Value + uint64(rela.Addend)
f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64)
case R_390_32:
if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val32 := uint32(val) + uint32(rela.Addend)
+ val32 := uint32(sym.Value) + uint32(rela.Addend)
f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
}
}
@@ -1121,8 +1105,7 @@ func (f *File) applyRelocationsSPARC64(dst []byte, rels []byte) error {
continue
}
sym := &symbols[symNo-1]
- needed, val := relocSymbolTargetOK(sym)
- if !needed {
+ if !canApplyRelocation(sym) {
continue
}
@@ -1131,13 +1114,13 @@ func (f *File) applyRelocationsSPARC64(dst []byte, rels []byte) error {
if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val64 := val + uint64(rela.Addend)
+ val64 := sym.Value + uint64(rela.Addend)
f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64)
case R_SPARC_32, R_SPARC_UA32:
if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 {
continue
}
- val32 := uint32(val) + uint32(rela.Addend)
+ val32 := uint32(sym.Value) + uint32(rela.Addend)
f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
}
}
diff --git a/src/debug/elf/file_test.go b/src/debug/elf/file_test.go
index b13d13ebf0..24948e696a 100644
--- a/src/debug/elf/file_test.go
+++ b/src/debug/elf/file_test.go
@@ -293,6 +293,7 @@ func decompress(gz string) (io.ReaderAt, error) {
type relocationTestEntry struct {
entryNumber int
entry *dwarf.Entry
+ pcRanges [][2]uint64
}
type relocationTest struct {
@@ -304,367 +305,481 @@ var relocationTests = []relocationTest{
{
"testdata/go-relocation-test-gcc441-x86-64.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.4.1", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "go-relocation-test.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: uint64(0x6), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.4.1", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "go-relocation-test.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: uint64(0x6), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x6}},
+ },
},
},
{
"testdata/go-relocation-test-gcc441-x86.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.4.1", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "t.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: uint64(0x5), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.4.1", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "t.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: uint64(0x5), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x5}},
+ },
},
},
{
"testdata/go-relocation-test-gcc424-x86-64.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.2.4 (Ubuntu 4.2.4-1ubuntu4)", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc424.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: uint64(0x6), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.2.4 (Ubuntu 4.2.4-1ubuntu4)", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc424.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: uint64(0x6), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x6}},
+ },
},
},
{
"testdata/go-relocation-test-gcc482-aarch64.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.8.2 -g -fstack-protector", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc482.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(0x24), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.8.2 -g -fstack-protector", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc482.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x24), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x24}},
+ },
},
},
{
"testdata/go-relocation-test-gcc492-arm.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 20141224 (prerelease) -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -mtls-dialect=gnu -g", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc492.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/root/go/src/debug/elf/testdata", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(0x28), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 20141224 (prerelease) -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -mtls-dialect=gnu -g", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc492.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/root/go/src/debug/elf/testdata", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x28), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x28}},
+ },
},
},
{
"testdata/go-relocation-test-clang-arm.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrStmtList, Val: int64(0x0), Class: dwarf.ClassLinePtr},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(48), Class: dwarf.ClassConstant},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrStmtList, Val: int64(0x0), Class: dwarf.ClassLinePtr},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x30), Class: dwarf.ClassConstant},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x30}},
+ },
},
},
{
"testdata/go-relocation-test-gcc5-ppc.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C11 5.0.0 20150116 (experimental) -Asystem=linux -Asystem=unix -Asystem=posix -g", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc5-ppc.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(0x44), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C11 5.0.0 20150116 (experimental) -Asystem=linux -Asystem=unix -Asystem=posix -g", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc5-ppc.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x44), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x44}},
+ },
},
},
{
"testdata/go-relocation-test-gcc482-ppc64le.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.8.2 -Asystem=linux -Asystem=unix -Asystem=posix -msecure-plt -mtune=power8 -mcpu=power7 -gdwarf-2 -fstack-protector", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc482-ppc64le.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: uint64(0x24), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.8.2 -Asystem=linux -Asystem=unix -Asystem=posix -msecure-plt -mtune=power8 -mcpu=power7 -gdwarf-2 -fstack-protector", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "go-relocation-test-gcc482-ppc64le.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: uint64(0x24), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x24}},
+ },
},
},
{
"testdata/go-relocation-test-gcc492-mips64.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 -meb -mabi=64 -march=mips3 -mtune=mips64 -mllsc -mno-shared -g", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(100), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 -meb -mabi=64 -march=mips3 -mtune=mips64 -mllsc -mno-shared -g", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x64), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x64}},
+ },
},
},
{
"testdata/go-relocation-test-gcc531-s390x.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C11 5.3.1 20160316 -march=zEC12 -m64 -mzarch -g -fstack-protector-strong", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(58), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C11 5.3.1 20160316 -march=zEC12 -m64 -mzarch -g -fstack-protector-strong", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x3a), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x3a}},
+ },
},
},
{
"testdata/go-relocation-test-gcc620-sparc64.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C11 6.2.0 20160914 -mcpu=v9 -g -fstack-protector-strong", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(0x2c), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C11 6.2.0 20160914 -mcpu=v9 -g -fstack-protector-strong", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x2c), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x2c}},
+ },
},
},
{
"testdata/go-relocation-test-gcc492-mipsle.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 -mel -march=mips2 -mtune=mips32 -mllsc -mno-shared -mabi=32 -g", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(0x58), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.2 -mel -march=mips2 -mtune=mips32 -mllsc -mno-shared -mabi=32 -g", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x58), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x58}},
+ },
},
},
{
"testdata/go-relocation-test-gcc540-mips.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C11 5.4.0 20160609 -meb -mips32 -mtune=mips32r2 -mfpxx -mllsc -mno-shared -mabi=32 -g -gdwarf-2", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: uint64(0x5c), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C11 5.4.0 20160609 -meb -mips32 -mtune=mips32r2 -mfpxx -mllsc -mno-shared -mabi=32 -g -gdwarf-2", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: uint64(0x5c), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x5c}},
+ },
},
},
{
"testdata/go-relocation-test-gcc493-mips64le.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.3 -mel -mabi=64 -mllsc -mno-shared -g -fstack-protector-strong", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: int64(100), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C 4.9.3 -mel -mabi=64 -mllsc -mno-shared -g -fstack-protector-strong", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(1), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: int64(0x64), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x64}},
+ },
},
},
{
"testdata/go-relocation-test-gcc720-riscv64.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "GNU C11 7.2.0 -march=rv64imafdc -mabi=lp64d -g -gdwarf-2", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrHighpc, Val: uint64(0x2c), Class: dwarf.ClassAddress},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C11 7.2.0 -march=rv64imafdc -mabi=lp64d -g -gdwarf-2", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "hello.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0x0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrHighpc, Val: uint64(0x2c), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
},
- }},
+ pcRanges: [][2]uint64{{0x0, 0x2c}},
+ },
},
},
{
"testdata/go-relocation-test-clang-x86.obj",
[]relocationTestEntry{
- {0, &dwarf.Entry{
- Offset: 0xb,
- Tag: dwarf.TagCompileUnit,
- Children: true,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrProducer, Val: "clang version google3-trunk (trunk r209387)", Class: dwarf.ClassString},
- {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrName, Val: "go-relocation-test-clang.c", Class: dwarf.ClassString},
- {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
- {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "clang version google3-trunk (trunk r209387)", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "go-relocation-test-clang.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ },
},
- }},
+ },
},
},
{
"testdata/gcc-amd64-openbsd-debug-with-rela.obj",
[]relocationTestEntry{
- {203, &dwarf.Entry{
- Offset: 0xc62,
- Tag: dwarf.TagMember,
- Children: false,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrName, Val: "it_interval", Class: dwarf.ClassString},
- {Attr: dwarf.AttrDeclFile, Val: int64(7), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrDeclLine, Val: int64(236), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrType, Val: dwarf.Offset(0xb7f), Class: dwarf.ClassReference},
- {Attr: dwarf.AttrDataMemberLoc, Val: []byte{0x23, 0x0}, Class: dwarf.ClassExprLoc},
+ {
+ entryNumber: 203,
+ entry: &dwarf.Entry{
+ Offset: 0xc62,
+ Tag: dwarf.TagMember,
+ Children: false,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrName, Val: "it_interval", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrDeclFile, Val: int64(7), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrDeclLine, Val: int64(236), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrType, Val: dwarf.Offset(0xb7f), Class: dwarf.ClassReference},
+ {Attr: dwarf.AttrDataMemberLoc, Val: []byte{0x23, 0x0}, Class: dwarf.ClassExprLoc},
+ },
},
- }},
- {204, &dwarf.Entry{
- Offset: 0xc70,
- Tag: dwarf.TagMember,
- Children: false,
- Field: []dwarf.Field{
- {Attr: dwarf.AttrName, Val: "it_value", Class: dwarf.ClassString},
- {Attr: dwarf.AttrDeclFile, Val: int64(7), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrDeclLine, Val: int64(237), Class: dwarf.ClassConstant},
- {Attr: dwarf.AttrType, Val: dwarf.Offset(0xb7f), Class: dwarf.ClassReference},
- {Attr: dwarf.AttrDataMemberLoc, Val: []byte{0x23, 0x10}, Class: dwarf.ClassExprLoc},
+ },
+ {
+ entryNumber: 204,
+ entry: &dwarf.Entry{
+ Offset: 0xc70,
+ Tag: dwarf.TagMember,
+ Children: false,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrName, Val: "it_value", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrDeclFile, Val: int64(7), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrDeclLine, Val: int64(237), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrType, Val: dwarf.Offset(0xb7f), Class: dwarf.ClassReference},
+ {Attr: dwarf.AttrDataMemberLoc, Val: []byte{0x23, 0x10}, Class: dwarf.ClassExprLoc},
+ },
},
- }},
+ },
+ },
+ },
+ {
+ "testdata/go-relocation-test-gcc930-ranges-no-rela-x86-64",
+ []relocationTestEntry{
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C17 9.3.0 -mtune=generic -march=x86-64 -g -fno-asynchronous-unwind-tables", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "multiple-code-sections.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrRanges, Val: int64(0), Class: dwarf.ClassRangeListPtr},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
+ },
+ pcRanges: [][2]uint64{
+ {0x765, 0x777},
+ {0x7e1, 0x7ec},
+ },
+ },
+ },
+ },
+ {
+ "testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64",
+ []relocationTestEntry{
+ {
+ entry: &dwarf.Entry{
+ Offset: 0xb,
+ Tag: dwarf.TagCompileUnit,
+ Children: true,
+ Field: []dwarf.Field{
+ {Attr: dwarf.AttrProducer, Val: "GNU C17 9.3.0 -mtune=generic -march=x86-64 -g -fno-asynchronous-unwind-tables", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrLanguage, Val: int64(12), Class: dwarf.ClassConstant},
+ {Attr: dwarf.AttrName, Val: "multiple-code-sections.c", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrCompDir, Val: "/tmp", Class: dwarf.ClassString},
+ {Attr: dwarf.AttrRanges, Val: int64(0), Class: dwarf.ClassRangeListPtr},
+ {Attr: dwarf.AttrLowpc, Val: uint64(0), Class: dwarf.ClassAddress},
+ {Attr: dwarf.AttrStmtList, Val: int64(0), Class: dwarf.ClassLinePtr},
+ },
+ },
+ pcRanges: [][2]uint64{
+ {0x765, 0x777},
+ {0x7e1, 0x7ec},
+ },
+ },
},
},
}
func TestDWARFRelocations(t *testing.T) {
- for i, test := range relocationTests {
- f, err := Open(test.file)
- if err != nil {
- t.Error(err)
- continue
- }
- dwarf, err := f.DWARF()
- if err != nil {
- t.Error(err)
- continue
- }
- for _, testEntry := range test.entries {
- reader := dwarf.Reader()
- for j := 0; j < testEntry.entryNumber; j++ {
- entry, err := reader.Next()
- if entry == nil || err != nil {
- t.Errorf("Failed to skip to entry %d: %v", testEntry.entryNumber, err)
- continue
- }
+ for _, test := range relocationTests {
+ test := test
+ t.Run(test.file, func(t *testing.T) {
+ t.Parallel()
+ f, err := Open(test.file)
+ if err != nil {
+ t.Fatal(err)
}
- entry, err := reader.Next()
+ dwarf, err := f.DWARF()
if err != nil {
- t.Error(err)
- continue
+ t.Fatal(err)
}
- if !reflect.DeepEqual(testEntry.entry, entry) {
- t.Errorf("#%d/%d: mismatch: got:%#v want:%#v", i, testEntry.entryNumber, entry, testEntry.entry)
- continue
+ reader := dwarf.Reader()
+ idx := 0
+ for _, testEntry := range test.entries {
+ if testEntry.entryNumber < idx {
+ t.Fatalf("internal test error: %d < %d", testEntry.entryNumber, idx)
+ }
+ for ; idx < testEntry.entryNumber; idx++ {
+ entry, err := reader.Next()
+ if entry == nil || err != nil {
+ t.Fatalf("Failed to skip to entry %d: %v", testEntry.entryNumber, err)
+ }
+ }
+ entry, err := reader.Next()
+ idx++
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !reflect.DeepEqual(testEntry.entry, entry) {
+ t.Errorf("entry %d mismatch: got:%#v want:%#v", testEntry.entryNumber, entry, testEntry.entry)
+ }
+ pcRanges, err := dwarf.Ranges(entry)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !reflect.DeepEqual(testEntry.pcRanges, pcRanges) {
+ t.Errorf("entry %d: PC range mismatch: got:%#v want:%#v", testEntry.entryNumber, pcRanges, testEntry.pcRanges)
+ }
}
- }
+ })
}
}
diff --git a/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-no-rela-x86-64 b/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-no-rela-x86-64
new file mode 100644
index 0000000000..c013f3e081
--- /dev/null
+++ b/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-no-rela-x86-64
Binary files differ
diff --git a/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64 b/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64
new file mode 100644
index 0000000000..51e03aa7b0
--- /dev/null
+++ b/src/debug/elf/testdata/go-relocation-test-gcc930-ranges-with-rela-x86-64
Binary files differ
diff --git a/src/debug/elf/testdata/multiple-code-sections.c b/src/debug/elf/testdata/multiple-code-sections.c
new file mode 100644
index 0000000000..03b9d53ab9
--- /dev/null
+++ b/src/debug/elf/testdata/multiple-code-sections.c
@@ -0,0 +1,28 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Build with:
+// gcc -g multiple-code-sections.c -Wl,--emit-relocs -Wl,--discard-none -Wl,-zmax-page-size=1 -fno-asynchronous-unwind-tables -o go-relocation-test-gcc930-ranges-with-rela-x86-64
+// gcc -g multiple-code-sections.c -Wl,-zmax-page-size=1 -fno-asynchronous-unwind-tables -o go-relocation-test-gcc930-ranges-no-rela-x86-64
+// Strip with:
+// strip --only-keep-debug \
+// --remove-section=.eh_frame \
+// --remove-section=.eh_frame_hdr \
+// --remove-section=.shstrtab \
+// --remove-section=.strtab \
+// --remove-section=.symtab \
+// --remove-section=.note.gnu.build-id \
+// --remove-section=.note.ABI-tag \
+// --remove-section=.dynamic \
+// --remove-section=.gnu.hash \
+// --remove-section=.interp \
+// --remove-section=.rodata
+__attribute__((section(".separate_section"))) // To get GCC to emit a DW_AT_ranges attribute for the CU.
+int func(void) {
+ return 0;
+}
+
+int main(int argc, char *argv[]) {
+ return 0;
+}
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