8dc2499aa6
gotools/ * Makefile.am (go_cmd_cgo_files): Add ast_go118.go (check-go-tool): Copy golang.org/x/tools directories. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
425 lines
12 KiB
Go
425 lines
12 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package macho
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import (
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"bytes"
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"internal/obscuretestdata"
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"io"
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"reflect"
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"testing"
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)
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type fileTest struct {
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file string
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hdr FileHeader
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loads []any
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sections []*SectionHeader
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relocations map[string][]Reloc
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}
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var fileTests = []fileTest{
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{
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"testdata/gcc-386-darwin-exec.base64",
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FileHeader{0xfeedface, Cpu386, 0x3, 0x2, 0xc, 0x3c0, 0x85},
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[]any{
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&SegmentHeader{LoadCmdSegment, 0x38, "__PAGEZERO", 0x0, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
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&SegmentHeader{LoadCmdSegment, 0xc0, "__TEXT", 0x1000, 0x1000, 0x0, 0x1000, 0x7, 0x5, 0x2, 0x0},
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&SegmentHeader{LoadCmdSegment, 0xc0, "__DATA", 0x2000, 0x1000, 0x1000, 0x1000, 0x7, 0x3, 0x2, 0x0},
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&SegmentHeader{LoadCmdSegment, 0x7c, "__IMPORT", 0x3000, 0x1000, 0x2000, 0x1000, 0x7, 0x7, 0x1, 0x0},
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&SegmentHeader{LoadCmdSegment, 0x38, "__LINKEDIT", 0x4000, 0x1000, 0x3000, 0x12c, 0x7, 0x1, 0x0, 0x0},
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nil, // LC_SYMTAB
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nil, // LC_DYSYMTAB
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nil, // LC_LOAD_DYLINKER
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nil, // LC_UUID
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nil, // LC_UNIXTHREAD
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&Dylib{nil, "/usr/lib/libgcc_s.1.dylib", 0x2, 0x10000, 0x10000},
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&Dylib{nil, "/usr/lib/libSystem.B.dylib", 0x2, 0x6f0104, 0x10000},
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},
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[]*SectionHeader{
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{"__text", "__TEXT", 0x1f68, 0x88, 0xf68, 0x2, 0x0, 0x0, 0x80000400},
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{"__cstring", "__TEXT", 0x1ff0, 0xd, 0xff0, 0x0, 0x0, 0x0, 0x2},
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{"__data", "__DATA", 0x2000, 0x14, 0x1000, 0x2, 0x0, 0x0, 0x0},
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{"__dyld", "__DATA", 0x2014, 0x1c, 0x1014, 0x2, 0x0, 0x0, 0x0},
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{"__jump_table", "__IMPORT", 0x3000, 0xa, 0x2000, 0x6, 0x0, 0x0, 0x4000008},
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},
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nil,
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},
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{
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"testdata/gcc-amd64-darwin-exec.base64",
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FileHeader{0xfeedfacf, CpuAmd64, 0x80000003, 0x2, 0xb, 0x568, 0x85},
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[]any{
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&SegmentHeader{LoadCmdSegment64, 0x48, "__PAGEZERO", 0x0, 0x100000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
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&SegmentHeader{LoadCmdSegment64, 0x1d8, "__TEXT", 0x100000000, 0x1000, 0x0, 0x1000, 0x7, 0x5, 0x5, 0x0},
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&SegmentHeader{LoadCmdSegment64, 0x138, "__DATA", 0x100001000, 0x1000, 0x1000, 0x1000, 0x7, 0x3, 0x3, 0x0},
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&SegmentHeader{LoadCmdSegment64, 0x48, "__LINKEDIT", 0x100002000, 0x1000, 0x2000, 0x140, 0x7, 0x1, 0x0, 0x0},
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nil, // LC_SYMTAB
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nil, // LC_DYSYMTAB
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nil, // LC_LOAD_DYLINKER
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nil, // LC_UUID
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nil, // LC_UNIXTHREAD
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&Dylib{nil, "/usr/lib/libgcc_s.1.dylib", 0x2, 0x10000, 0x10000},
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&Dylib{nil, "/usr/lib/libSystem.B.dylib", 0x2, 0x6f0104, 0x10000},
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},
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[]*SectionHeader{
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{"__text", "__TEXT", 0x100000f14, 0x6d, 0xf14, 0x2, 0x0, 0x0, 0x80000400},
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{"__symbol_stub1", "__TEXT", 0x100000f81, 0xc, 0xf81, 0x0, 0x0, 0x0, 0x80000408},
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{"__stub_helper", "__TEXT", 0x100000f90, 0x18, 0xf90, 0x2, 0x0, 0x0, 0x0},
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{"__cstring", "__TEXT", 0x100000fa8, 0xd, 0xfa8, 0x0, 0x0, 0x0, 0x2},
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{"__eh_frame", "__TEXT", 0x100000fb8, 0x48, 0xfb8, 0x3, 0x0, 0x0, 0x6000000b},
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{"__data", "__DATA", 0x100001000, 0x1c, 0x1000, 0x3, 0x0, 0x0, 0x0},
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{"__dyld", "__DATA", 0x100001020, 0x38, 0x1020, 0x3, 0x0, 0x0, 0x0},
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{"__la_symbol_ptr", "__DATA", 0x100001058, 0x10, 0x1058, 0x2, 0x0, 0x0, 0x7},
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},
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nil,
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},
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{
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"testdata/gcc-amd64-darwin-exec-debug.base64",
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FileHeader{0xfeedfacf, CpuAmd64, 0x80000003, 0xa, 0x4, 0x5a0, 0},
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[]any{
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nil, // LC_UUID
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&SegmentHeader{LoadCmdSegment64, 0x1d8, "__TEXT", 0x100000000, 0x1000, 0x0, 0x0, 0x7, 0x5, 0x5, 0x0},
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&SegmentHeader{LoadCmdSegment64, 0x138, "__DATA", 0x100001000, 0x1000, 0x0, 0x0, 0x7, 0x3, 0x3, 0x0},
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&SegmentHeader{LoadCmdSegment64, 0x278, "__DWARF", 0x100002000, 0x1000, 0x1000, 0x1bc, 0x7, 0x3, 0x7, 0x0},
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},
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[]*SectionHeader{
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{"__text", "__TEXT", 0x100000f14, 0x0, 0x0, 0x2, 0x0, 0x0, 0x80000400},
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{"__symbol_stub1", "__TEXT", 0x100000f81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000408},
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{"__stub_helper", "__TEXT", 0x100000f90, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0},
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{"__cstring", "__TEXT", 0x100000fa8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
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{"__eh_frame", "__TEXT", 0x100000fb8, 0x0, 0x0, 0x3, 0x0, 0x0, 0x6000000b},
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{"__data", "__DATA", 0x100001000, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0},
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{"__dyld", "__DATA", 0x100001020, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0},
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{"__la_symbol_ptr", "__DATA", 0x100001058, 0x0, 0x0, 0x2, 0x0, 0x0, 0x7},
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{"__debug_abbrev", "__DWARF", 0x100002000, 0x36, 0x1000, 0x0, 0x0, 0x0, 0x0},
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{"__debug_aranges", "__DWARF", 0x100002036, 0x30, 0x1036, 0x0, 0x0, 0x0, 0x0},
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{"__debug_frame", "__DWARF", 0x100002066, 0x40, 0x1066, 0x0, 0x0, 0x0, 0x0},
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{"__debug_info", "__DWARF", 0x1000020a6, 0x54, 0x10a6, 0x0, 0x0, 0x0, 0x0},
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{"__debug_line", "__DWARF", 0x1000020fa, 0x47, 0x10fa, 0x0, 0x0, 0x0, 0x0},
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{"__debug_pubnames", "__DWARF", 0x100002141, 0x1b, 0x1141, 0x0, 0x0, 0x0, 0x0},
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{"__debug_str", "__DWARF", 0x10000215c, 0x60, 0x115c, 0x0, 0x0, 0x0, 0x0},
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},
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nil,
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},
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{
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"testdata/clang-386-darwin-exec-with-rpath.base64",
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FileHeader{0xfeedface, Cpu386, 0x3, 0x2, 0x10, 0x42c, 0x1200085},
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[]any{
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nil, // LC_SEGMENT
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nil, // LC_SEGMENT
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nil, // LC_SEGMENT
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nil, // LC_SEGMENT
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nil, // LC_DYLD_INFO_ONLY
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nil, // LC_SYMTAB
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nil, // LC_DYSYMTAB
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nil, // LC_LOAD_DYLINKER
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nil, // LC_UUID
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nil, // LC_VERSION_MIN_MACOSX
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nil, // LC_SOURCE_VERSION
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nil, // LC_MAIN
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nil, // LC_LOAD_DYLIB
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&Rpath{nil, "/my/rpath"},
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nil, // LC_FUNCTION_STARTS
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nil, // LC_DATA_IN_CODE
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},
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nil,
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nil,
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},
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{
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"testdata/clang-amd64-darwin-exec-with-rpath.base64",
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FileHeader{0xfeedfacf, CpuAmd64, 0x80000003, 0x2, 0x10, 0x4c8, 0x200085},
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[]any{
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nil, // LC_SEGMENT
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nil, // LC_SEGMENT
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nil, // LC_SEGMENT
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nil, // LC_SEGMENT
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nil, // LC_DYLD_INFO_ONLY
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nil, // LC_SYMTAB
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nil, // LC_DYSYMTAB
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nil, // LC_LOAD_DYLINKER
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nil, // LC_UUID
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nil, // LC_VERSION_MIN_MACOSX
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nil, // LC_SOURCE_VERSION
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nil, // LC_MAIN
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nil, // LC_LOAD_DYLIB
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&Rpath{nil, "/my/rpath"},
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nil, // LC_FUNCTION_STARTS
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nil, // LC_DATA_IN_CODE
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},
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nil,
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nil,
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},
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{
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"testdata/clang-386-darwin.obj.base64",
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FileHeader{0xfeedface, Cpu386, 0x3, 0x1, 0x4, 0x138, 0x2000},
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nil,
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nil,
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map[string][]Reloc{
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"__text": {
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{
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Addr: 0x1d,
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Type: uint8(GENERIC_RELOC_VANILLA),
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Len: 2,
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Pcrel: true,
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Extern: true,
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Value: 1,
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Scattered: false,
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},
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{
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Addr: 0xe,
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Type: uint8(GENERIC_RELOC_LOCAL_SECTDIFF),
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Len: 2,
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Pcrel: false,
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Value: 0x2d,
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Scattered: true,
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},
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{
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Addr: 0x0,
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Type: uint8(GENERIC_RELOC_PAIR),
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Len: 2,
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Pcrel: false,
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Value: 0xb,
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Scattered: true,
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},
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},
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},
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},
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{
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"testdata/clang-amd64-darwin.obj.base64",
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FileHeader{0xfeedfacf, CpuAmd64, 0x3, 0x1, 0x4, 0x200, 0x2000},
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nil,
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nil,
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map[string][]Reloc{
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"__text": {
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{
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Addr: 0x19,
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Type: uint8(X86_64_RELOC_BRANCH),
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Len: 2,
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Pcrel: true,
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Extern: true,
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Value: 1,
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},
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{
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Addr: 0xb,
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Type: uint8(X86_64_RELOC_SIGNED),
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Len: 2,
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Pcrel: true,
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Extern: false,
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Value: 2,
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},
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},
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"__compact_unwind": {
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{
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Addr: 0x0,
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Type: uint8(X86_64_RELOC_UNSIGNED),
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Len: 3,
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Pcrel: false,
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Extern: false,
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Value: 1,
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},
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},
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},
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},
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}
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func readerAtFromObscured(name string) (io.ReaderAt, error) {
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b, err := obscuretestdata.ReadFile(name)
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if err != nil {
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return nil, err
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}
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return bytes.NewReader(b), nil
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}
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func openObscured(name string) (*File, error) {
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ra, err := readerAtFromObscured(name)
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if err != nil {
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return nil, err
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}
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ff, err := NewFile(ra)
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if err != nil {
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return nil, err
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}
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return ff, nil
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}
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func openFatObscured(name string) (*FatFile, error) {
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ra, err := readerAtFromObscured(name)
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if err != nil {
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return nil, err
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}
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ff, err := NewFatFile(ra)
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if err != nil {
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return nil, err
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}
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return ff, nil
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}
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func TestOpen(t *testing.T) {
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for i := range fileTests {
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tt := &fileTests[i]
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// Use obscured files to prevent Apple’s notarization service from
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// mistaking them as candidates for notarization and rejecting the entire
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// toolchain.
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// See golang.org/issue/34986
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f, err := openObscured(tt.file)
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if err != nil {
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t.Error(err)
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continue
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}
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if !reflect.DeepEqual(f.FileHeader, tt.hdr) {
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t.Errorf("open %s:\n\thave %#v\n\twant %#v\n", tt.file, f.FileHeader, tt.hdr)
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continue
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}
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for i, l := range f.Loads {
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if len(l.Raw()) < 8 {
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t.Errorf("open %s, command %d:\n\tload command %T don't have enough data\n", tt.file, i, l)
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}
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}
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if tt.loads != nil {
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for i, l := range f.Loads {
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if i >= len(tt.loads) {
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break
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}
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want := tt.loads[i]
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if want == nil {
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continue
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}
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switch l := l.(type) {
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case *Segment:
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have := &l.SegmentHeader
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if !reflect.DeepEqual(have, want) {
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t.Errorf("open %s, command %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
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}
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case *Dylib:
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have := l
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have.LoadBytes = nil
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if !reflect.DeepEqual(have, want) {
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t.Errorf("open %s, command %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
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}
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case *Rpath:
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have := l
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have.LoadBytes = nil
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if !reflect.DeepEqual(have, want) {
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t.Errorf("open %s, command %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
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}
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default:
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t.Errorf("open %s, command %d: unknown load command\n\thave %#v\n\twant %#v\n", tt.file, i, l, want)
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}
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}
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tn := len(tt.loads)
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fn := len(f.Loads)
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if tn != fn {
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t.Errorf("open %s: len(Loads) = %d, want %d", tt.file, fn, tn)
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}
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}
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if tt.sections != nil {
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for i, sh := range f.Sections {
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if i >= len(tt.sections) {
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break
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}
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have := &sh.SectionHeader
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want := tt.sections[i]
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if !reflect.DeepEqual(have, want) {
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t.Errorf("open %s, section %d:\n\thave %#v\n\twant %#v\n", tt.file, i, have, want)
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}
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}
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tn := len(tt.sections)
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fn := len(f.Sections)
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if tn != fn {
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t.Errorf("open %s: len(Sections) = %d, want %d", tt.file, fn, tn)
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}
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}
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if tt.relocations != nil {
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for i, sh := range f.Sections {
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have := sh.Relocs
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want := tt.relocations[sh.Name]
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if !reflect.DeepEqual(have, want) {
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t.Errorf("open %s, relocations in section %d (%s):\n\thave %#v\n\twant %#v\n", tt.file, i, sh.Name, have, want)
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}
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}
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}
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}
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}
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func TestOpenFailure(t *testing.T) {
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filename := "file.go" // not a Mach-O file
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_, err := Open(filename) // don't crash
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if err == nil {
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t.Errorf("open %s: succeeded unexpectedly", filename)
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}
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}
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func TestOpenFat(t *testing.T) {
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ff, err := openFatObscured("testdata/fat-gcc-386-amd64-darwin-exec.base64")
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if err != nil {
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t.Fatal(err)
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}
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if ff.Magic != MagicFat {
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t.Errorf("OpenFat: got magic number %#x, want %#x", ff.Magic, MagicFat)
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}
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if len(ff.Arches) != 2 {
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t.Errorf("OpenFat: got %d architectures, want 2", len(ff.Arches))
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}
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for i := range ff.Arches {
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arch := &ff.Arches[i]
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ftArch := &fileTests[i]
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if arch.Cpu != ftArch.hdr.Cpu || arch.SubCpu != ftArch.hdr.SubCpu {
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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)
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}
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if !reflect.DeepEqual(arch.FileHeader, ftArch.hdr) {
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t.Errorf("OpenFat header:\n\tgot %#v\n\twant %#v\n", arch.FileHeader, ftArch.hdr)
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}
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}
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}
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func TestOpenFatFailure(t *testing.T) {
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filename := "file.go" // not a Mach-O file
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if _, err := OpenFat(filename); err == nil {
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t.Errorf("OpenFat %s: succeeded unexpectedly", filename)
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}
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filename = "testdata/gcc-386-darwin-exec.base64" // not a fat Mach-O
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ff, err := openFatObscured(filename)
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if err != ErrNotFat {
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t.Errorf("OpenFat %s: got %v, want ErrNotFat", filename, err)
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}
|
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if ff != nil {
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t.Errorf("OpenFat %s: got %v, want nil", filename, ff)
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}
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}
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func TestRelocTypeString(t *testing.T) {
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if X86_64_RELOC_BRANCH.String() != "X86_64_RELOC_BRANCH" {
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t.Errorf("got %v, want %v", X86_64_RELOC_BRANCH.String(), "X86_64_RELOC_BRANCH")
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}
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if X86_64_RELOC_BRANCH.GoString() != "macho.X86_64_RELOC_BRANCH" {
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t.Errorf("got %v, want %v", X86_64_RELOC_BRANCH.GoString(), "macho.X86_64_RELOC_BRANCH")
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}
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}
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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")
|
||
}
|
||
}
|
||
|
||
func TestOpenBadDysymCmd(t *testing.T) {
|
||
_, err := openObscured("testdata/gcc-amd64-darwin-exec-with-bad-dysym.base64")
|
||
if err == nil {
|
||
t.Fatal("openObscured did not fail when opening a file with an invalid dynamic symbol table command")
|
||
}
|
||
}
|