mirror of git://gcc.gnu.org/git/gcc.git
380 lines
11 KiB
Go
380 lines
11 KiB
Go
// Copyright 2009 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.
|
|
|
|
package macho
|
|
|
|
import (
|
|
"reflect"
|
|
"testing"
|
|
)
|
|
|
|
type fileTest struct {
|
|
file string
|
|
hdr FileHeader
|
|
loads []interface{}
|
|
sections []*SectionHeader
|
|
relocations map[string][]Reloc
|
|
}
|
|
|
|
var fileTests = []fileTest{
|
|
{
|
|
"testdata/gcc-386-darwin-exec",
|
|
FileHeader{0xfeedface, Cpu386, 0x3, 0x2, 0xc, 0x3c0, 0x85},
|
|
[]interface{}{
|
|
&SegmentHeader{LoadCmdSegment, 0x38, "__PAGEZERO", 0x0, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
|
|
&SegmentHeader{LoadCmdSegment, 0xc0, "__TEXT", 0x1000, 0x1000, 0x0, 0x1000, 0x7, 0x5, 0x2, 0x0},
|
|
&SegmentHeader{LoadCmdSegment, 0xc0, "__DATA", 0x2000, 0x1000, 0x1000, 0x1000, 0x7, 0x3, 0x2, 0x0},
|
|
&SegmentHeader{LoadCmdSegment, 0x7c, "__IMPORT", 0x3000, 0x1000, 0x2000, 0x1000, 0x7, 0x7, 0x1, 0x0},
|
|
&SegmentHeader{LoadCmdSegment, 0x38, "__LINKEDIT", 0x4000, 0x1000, 0x3000, 0x12c, 0x7, 0x1, 0x0, 0x0},
|
|
nil, // LC_SYMTAB
|
|
nil, // LC_DYSYMTAB
|
|
nil, // LC_LOAD_DYLINKER
|
|
nil, // LC_UUID
|
|
nil, // LC_UNIXTHREAD
|
|
&Dylib{nil, "/usr/lib/libgcc_s.1.dylib", 0x2, 0x10000, 0x10000},
|
|
&Dylib{nil, "/usr/lib/libSystem.B.dylib", 0x2, 0x6f0104, 0x10000},
|
|
},
|
|
[]*SectionHeader{
|
|
{"__text", "__TEXT", 0x1f68, 0x88, 0xf68, 0x2, 0x0, 0x0, 0x80000400},
|
|
{"__cstring", "__TEXT", 0x1ff0, 0xd, 0xff0, 0x0, 0x0, 0x0, 0x2},
|
|
{"__data", "__DATA", 0x2000, 0x14, 0x1000, 0x2, 0x0, 0x0, 0x0},
|
|
{"__dyld", "__DATA", 0x2014, 0x1c, 0x1014, 0x2, 0x0, 0x0, 0x0},
|
|
{"__jump_table", "__IMPORT", 0x3000, 0xa, 0x2000, 0x6, 0x0, 0x0, 0x4000008},
|
|
},
|
|
nil,
|
|
},
|
|
{
|
|
"testdata/gcc-amd64-darwin-exec",
|
|
FileHeader{0xfeedfacf, CpuAmd64, 0x80000003, 0x2, 0xb, 0x568, 0x85},
|
|
[]interface{}{
|
|
&SegmentHeader{LoadCmdSegment64, 0x48, "__PAGEZERO", 0x0, 0x100000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
|
|
&SegmentHeader{LoadCmdSegment64, 0x1d8, "__TEXT", 0x100000000, 0x1000, 0x0, 0x1000, 0x7, 0x5, 0x5, 0x0},
|
|
&SegmentHeader{LoadCmdSegment64, 0x138, "__DATA", 0x100001000, 0x1000, 0x1000, 0x1000, 0x7, 0x3, 0x3, 0x0},
|
|
&SegmentHeader{LoadCmdSegment64, 0x48, "__LINKEDIT", 0x100002000, 0x1000, 0x2000, 0x140, 0x7, 0x1, 0x0, 0x0},
|
|
nil, // LC_SYMTAB
|
|
nil, // LC_DYSYMTAB
|
|
nil, // LC_LOAD_DYLINKER
|
|
nil, // LC_UUID
|
|
nil, // LC_UNIXTHREAD
|
|
&Dylib{nil, "/usr/lib/libgcc_s.1.dylib", 0x2, 0x10000, 0x10000},
|
|
&Dylib{nil, "/usr/lib/libSystem.B.dylib", 0x2, 0x6f0104, 0x10000},
|
|
},
|
|
[]*SectionHeader{
|
|
{"__text", "__TEXT", 0x100000f14, 0x6d, 0xf14, 0x2, 0x0, 0x0, 0x80000400},
|
|
{"__symbol_stub1", "__TEXT", 0x100000f81, 0xc, 0xf81, 0x0, 0x0, 0x0, 0x80000408},
|
|
{"__stub_helper", "__TEXT", 0x100000f90, 0x18, 0xf90, 0x2, 0x0, 0x0, 0x0},
|
|
{"__cstring", "__TEXT", 0x100000fa8, 0xd, 0xfa8, 0x0, 0x0, 0x0, 0x2},
|
|
{"__eh_frame", "__TEXT", 0x100000fb8, 0x48, 0xfb8, 0x3, 0x0, 0x0, 0x6000000b},
|
|
{"__data", "__DATA", 0x100001000, 0x1c, 0x1000, 0x3, 0x0, 0x0, 0x0},
|
|
{"__dyld", "__DATA", 0x100001020, 0x38, 0x1020, 0x3, 0x0, 0x0, 0x0},
|
|
{"__la_symbol_ptr", "__DATA", 0x100001058, 0x10, 0x1058, 0x2, 0x0, 0x0, 0x7},
|
|
},
|
|
nil,
|
|
},
|
|
{
|
|
"testdata/gcc-amd64-darwin-exec-debug",
|
|
FileHeader{0xfeedfacf, CpuAmd64, 0x80000003, 0xa, 0x4, 0x5a0, 0},
|
|
[]interface{}{
|
|
nil, // LC_UUID
|
|
&SegmentHeader{LoadCmdSegment64, 0x1d8, "__TEXT", 0x100000000, 0x1000, 0x0, 0x0, 0x7, 0x5, 0x5, 0x0},
|
|
&SegmentHeader{LoadCmdSegment64, 0x138, "__DATA", 0x100001000, 0x1000, 0x0, 0x0, 0x7, 0x3, 0x3, 0x0},
|
|
&SegmentHeader{LoadCmdSegment64, 0x278, "__DWARF", 0x100002000, 0x1000, 0x1000, 0x1bc, 0x7, 0x3, 0x7, 0x0},
|
|
},
|
|
[]*SectionHeader{
|
|
{"__text", "__TEXT", 0x100000f14, 0x0, 0x0, 0x2, 0x0, 0x0, 0x80000400},
|
|
{"__symbol_stub1", "__TEXT", 0x100000f81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000408},
|
|
{"__stub_helper", "__TEXT", 0x100000f90, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0},
|
|
{"__cstring", "__TEXT", 0x100000fa8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
|
|
{"__eh_frame", "__TEXT", 0x100000fb8, 0x0, 0x0, 0x3, 0x0, 0x0, 0x6000000b},
|
|
{"__data", "__DATA", 0x100001000, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0},
|
|
{"__dyld", "__DATA", 0x100001020, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0},
|
|
{"__la_symbol_ptr", "__DATA", 0x100001058, 0x0, 0x0, 0x2, 0x0, 0x0, 0x7},
|
|
{"__debug_abbrev", "__DWARF", 0x100002000, 0x36, 0x1000, 0x0, 0x0, 0x0, 0x0},
|
|
{"__debug_aranges", "__DWARF", 0x100002036, 0x30, 0x1036, 0x0, 0x0, 0x0, 0x0},
|
|
{"__debug_frame", "__DWARF", 0x100002066, 0x40, 0x1066, 0x0, 0x0, 0x0, 0x0},
|
|
{"__debug_info", "__DWARF", 0x1000020a6, 0x54, 0x10a6, 0x0, 0x0, 0x0, 0x0},
|
|
{"__debug_line", "__DWARF", 0x1000020fa, 0x47, 0x10fa, 0x0, 0x0, 0x0, 0x0},
|
|
{"__debug_pubnames", "__DWARF", 0x100002141, 0x1b, 0x1141, 0x0, 0x0, 0x0, 0x0},
|
|
{"__debug_str", "__DWARF", 0x10000215c, 0x60, 0x115c, 0x0, 0x0, 0x0, 0x0},
|
|
},
|
|
nil,
|
|
},
|
|
{
|
|
"testdata/clang-386-darwin-exec-with-rpath",
|
|
FileHeader{0xfeedface, Cpu386, 0x3, 0x2, 0x10, 0x42c, 0x1200085},
|
|
[]interface{}{
|
|
nil, // LC_SEGMENT
|
|
nil, // LC_SEGMENT
|
|
nil, // LC_SEGMENT
|
|
nil, // LC_SEGMENT
|
|
nil, // LC_DYLD_INFO_ONLY
|
|
nil, // LC_SYMTAB
|
|
nil, // LC_DYSYMTAB
|
|
nil, // LC_LOAD_DYLINKER
|
|
nil, // LC_UUID
|
|
nil, // LC_VERSION_MIN_MACOSX
|
|
nil, // LC_SOURCE_VERSION
|
|
nil, // LC_MAIN
|
|
nil, // LC_LOAD_DYLIB
|
|
&Rpath{nil, "/my/rpath"},
|
|
nil, // LC_FUNCTION_STARTS
|
|
nil, // LC_DATA_IN_CODE
|
|
},
|
|
nil,
|
|
nil,
|
|
},
|
|
{
|
|
"testdata/clang-amd64-darwin-exec-with-rpath",
|
|
FileHeader{0xfeedfacf, CpuAmd64, 0x80000003, 0x2, 0x10, 0x4c8, 0x200085},
|
|
[]interface{}{
|
|
nil, // LC_SEGMENT
|
|
nil, // LC_SEGMENT
|
|
nil, // LC_SEGMENT
|
|
nil, // LC_SEGMENT
|
|
nil, // LC_DYLD_INFO_ONLY
|
|
nil, // LC_SYMTAB
|
|
nil, // LC_DYSYMTAB
|
|
nil, // LC_LOAD_DYLINKER
|
|
nil, // LC_UUID
|
|
nil, // LC_VERSION_MIN_MACOSX
|
|
nil, // LC_SOURCE_VERSION
|
|
nil, // LC_MAIN
|
|
nil, // LC_LOAD_DYLIB
|
|
&Rpath{nil, "/my/rpath"},
|
|
nil, // LC_FUNCTION_STARTS
|
|
nil, // LC_DATA_IN_CODE
|
|
},
|
|
nil,
|
|
nil,
|
|
},
|
|
{
|
|
"testdata/clang-386-darwin.obj",
|
|
FileHeader{0xfeedface, Cpu386, 0x3, 0x1, 0x4, 0x138, 0x2000},
|
|
nil,
|
|
nil,
|
|
map[string][]Reloc{
|
|
"__text": []Reloc{
|
|
{
|
|
Addr: 0x1d,
|
|
Type: uint8(GENERIC_RELOC_VANILLA),
|
|
Len: 2,
|
|
Pcrel: true,
|
|
Extern: true,
|
|
Value: 1,
|
|
Scattered: false,
|
|
},
|
|
{
|
|
Addr: 0xe,
|
|
Type: uint8(GENERIC_RELOC_LOCAL_SECTDIFF),
|
|
Len: 2,
|
|
Pcrel: false,
|
|
Value: 0x2d,
|
|
Scattered: true,
|
|
},
|
|
{
|
|
Addr: 0x0,
|
|
Type: uint8(GENERIC_RELOC_PAIR),
|
|
Len: 2,
|
|
Pcrel: false,
|
|
Value: 0xb,
|
|
Scattered: true,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
"testdata/clang-amd64-darwin.obj",
|
|
FileHeader{0xfeedfacf, CpuAmd64, 0x3, 0x1, 0x4, 0x200, 0x2000},
|
|
nil,
|
|
nil,
|
|
map[string][]Reloc{
|
|
"__text": []Reloc{
|
|
{
|
|
Addr: 0x19,
|
|
Type: uint8(X86_64_RELOC_BRANCH),
|
|
Len: 2,
|
|
Pcrel: true,
|
|
Extern: true,
|
|
Value: 1,
|
|
},
|
|
{
|
|
Addr: 0xb,
|
|
Type: uint8(X86_64_RELOC_SIGNED),
|
|
Len: 2,
|
|
Pcrel: true,
|
|
Extern: false,
|
|
Value: 2,
|
|
},
|
|
},
|
|
"__compact_unwind": []Reloc{
|
|
{
|
|
Addr: 0x0,
|
|
Type: uint8(X86_64_RELOC_UNSIGNED),
|
|
Len: 3,
|
|
Pcrel: false,
|
|
Extern: false,
|
|
Value: 1,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
func TestOpen(t *testing.T) {
|
|
for i := range fileTests {
|
|
tt := &fileTests[i]
|
|
|
|
f, err := Open(tt.file)
|
|
if err != nil {
|
|
t.Error(err)
|
|
continue
|
|
}
|
|
if !reflect.DeepEqual(f.FileHeader, tt.hdr) {
|
|
t.Errorf("open %s:\n\thave %#v\n\twant %#v\n", tt.file, f.FileHeader, tt.hdr)
|
|
continue
|
|
}
|
|
for i, l := range f.Loads {
|
|
if len(l.Raw()) < 8 {
|
|
t.Errorf("open %s, command %d:\n\tload command %T don't have enough data\n", tt.file, i, l)
|
|
}
|
|
}
|
|
if tt.loads != nil {
|
|
for i, l := range f.Loads {
|
|
if i >= len(tt.loads) {
|
|
break
|
|
}
|
|
|
|
want := tt.loads[i]
|
|
if want == nil {
|
|
continue
|
|
}
|
|
|
|
switch l := l.(type) {
|
|
case *Segment:
|
|
have := &l.SegmentHeader
|
|
if !reflect.DeepEqual(have, want) {
|
|
t.Errorf("open %s, command %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
|
|
}
|
|
case *Dylib:
|
|
have := l
|
|
have.LoadBytes = nil
|
|
if !reflect.DeepEqual(have, want) {
|
|
t.Errorf("open %s, command %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
|
|
}
|
|
case *Rpath:
|
|
have := l
|
|
have.LoadBytes = nil
|
|
if !reflect.DeepEqual(have, want) {
|
|
t.Errorf("open %s, command %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
|
|
}
|
|
default:
|
|
t.Errorf("open %s, command %d: unknown load command\n\thave %#v\n\twant %#v\n", tt.file, i, l, want)
|
|
}
|
|
}
|
|
tn := len(tt.loads)
|
|
fn := len(f.Loads)
|
|
if tn != fn {
|
|
t.Errorf("open %s: len(Loads) = %d, want %d", tt.file, fn, tn)
|
|
}
|
|
}
|
|
|
|
if tt.sections != nil {
|
|
for i, sh := range f.Sections {
|
|
if i >= len(tt.sections) {
|
|
break
|
|
}
|
|
have := &sh.SectionHeader
|
|
want := tt.sections[i]
|
|
if !reflect.DeepEqual(have, want) {
|
|
t.Errorf("open %s, section %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
|
|
}
|
|
}
|
|
tn := len(tt.sections)
|
|
fn := len(f.Sections)
|
|
if tn != fn {
|
|
t.Errorf("open %s: len(Sections) = %d, want %d", tt.file, fn, tn)
|
|
}
|
|
}
|
|
|
|
if tt.relocations != nil {
|
|
for i, sh := range f.Sections {
|
|
have := sh.Relocs
|
|
want := tt.relocations[sh.Name]
|
|
if !reflect.DeepEqual(have, want) {
|
|
t.Errorf("open %s, relocations in section %d (%s):\n\thave %#v\n\twant %#v\n", tt.file, i, sh.Name, have, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestOpenFailure(t *testing.T) {
|
|
filename := "file.go" // not a Mach-O file
|
|
_, err := Open(filename) // don't crash
|
|
if err == nil {
|
|
t.Errorf("open %s: succeeded unexpectedly", filename)
|
|
}
|
|
}
|
|
|
|
func TestOpenFat(t *testing.T) {
|
|
ff, err := OpenFat("testdata/fat-gcc-386-amd64-darwin-exec")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if ff.Magic != MagicFat {
|
|
t.Errorf("OpenFat: got magic number %#x, want %#x", ff.Magic, MagicFat)
|
|
}
|
|
if len(ff.Arches) != 2 {
|
|
t.Errorf("OpenFat: got %d architectures, want 2", len(ff.Arches))
|
|
}
|
|
|
|
for i := range ff.Arches {
|
|
arch := &ff.Arches[i]
|
|
ftArch := &fileTests[i]
|
|
|
|
if arch.Cpu != ftArch.hdr.Cpu || arch.SubCpu != ftArch.hdr.SubCpu {
|
|
t.Errorf("OpenFat: architecture #%d got cpu=%#x subtype=%#x, expected cpu=%#x, subtype=%#x", i, arch.Cpu, arch.SubCpu, ftArch.hdr.Cpu, ftArch.hdr.SubCpu)
|
|
}
|
|
|
|
if !reflect.DeepEqual(arch.FileHeader, ftArch.hdr) {
|
|
t.Errorf("OpenFat header:\n\tgot %#v\n\twant %#v\n", arch.FileHeader, ftArch.hdr)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestOpenFatFailure(t *testing.T) {
|
|
filename := "file.go" // not a Mach-O file
|
|
if _, err := OpenFat(filename); err == nil {
|
|
t.Errorf("OpenFat %s: succeeded unexpectedly", filename)
|
|
}
|
|
|
|
filename = "testdata/gcc-386-darwin-exec" // not a fat Mach-O
|
|
ff, err := OpenFat(filename)
|
|
if err != ErrNotFat {
|
|
t.Errorf("OpenFat %s: got %v, want ErrNotFat", filename, err)
|
|
}
|
|
if ff != nil {
|
|
t.Errorf("OpenFat %s: got %v, want nil", filename, ff)
|
|
}
|
|
}
|
|
|
|
func TestRelocTypeString(t *testing.T) {
|
|
if X86_64_RELOC_BRANCH.String() != "X86_64_RELOC_BRANCH" {
|
|
t.Errorf("got %v, want %v", X86_64_RELOC_BRANCH.String(), "X86_64_RELOC_BRANCH")
|
|
}
|
|
if X86_64_RELOC_BRANCH.GoString() != "macho.X86_64_RELOC_BRANCH" {
|
|
t.Errorf("got %v, want %v", X86_64_RELOC_BRANCH.GoString(), "macho.X86_64_RELOC_BRANCH")
|
|
}
|
|
}
|
|
|
|
func TestTypeString(t *testing.T) {
|
|
if TypeExec.String() != "Exec" {
|
|
t.Errorf("got %v, want %v", TypeExec.String(), "Exec")
|
|
}
|
|
if TypeExec.GoString() != "macho.Exec" {
|
|
t.Errorf("got %v, want %v", TypeExec.GoString(), "macho.Exec")
|
|
}
|
|
}
|