diff options
Diffstat (limited to 'src/debug/elf/file_test.go')
| -rw-r--r-- | src/debug/elf/file_test.go | 938 |
1 files changed, 938 insertions, 0 deletions
diff --git a/src/debug/elf/file_test.go b/src/debug/elf/file_test.go new file mode 100644 index 0000000..4c6fdee --- /dev/null +++ b/src/debug/elf/file_test.go @@ -0,0 +1,938 @@ +// 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 elf + +import ( + "bytes" + "compress/gzip" + "debug/dwarf" + "encoding/binary" + "io" + "math/rand" + "net" + "os" + "path" + "reflect" + "runtime" + "testing" +) + +type fileTest struct { + file string + hdr FileHeader + sections []SectionHeader + progs []ProgHeader + needed []string +} + +var fileTests = []fileTest{ + { + "testdata/gcc-386-freebsd-exec", + FileHeader{ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ELFOSABI_FREEBSD, 0, binary.LittleEndian, ET_EXEC, EM_386, 0x80483cc}, + []SectionHeader{ + {"", SHT_NULL, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, + {".interp", SHT_PROGBITS, SHF_ALLOC, 0x80480d4, 0xd4, 0x15, 0x0, 0x0, 0x1, 0x0, 0x15}, + {".hash", SHT_HASH, SHF_ALLOC, 0x80480ec, 0xec, 0x90, 0x3, 0x0, 0x4, 0x4, 0x90}, + {".dynsym", SHT_DYNSYM, SHF_ALLOC, 0x804817c, 0x17c, 0x110, 0x4, 0x1, 0x4, 0x10, 0x110}, + {".dynstr", SHT_STRTAB, SHF_ALLOC, 0x804828c, 0x28c, 0xbb, 0x0, 0x0, 0x1, 0x0, 0xbb}, + {".rel.plt", SHT_REL, SHF_ALLOC, 0x8048348, 0x348, 0x20, 0x3, 0x7, 0x4, 0x8, 0x20}, + {".init", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x8048368, 0x368, 0x11, 0x0, 0x0, 0x4, 0x0, 0x11}, + {".plt", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x804837c, 0x37c, 0x50, 0x0, 0x0, 0x4, 0x4, 0x50}, + {".text", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x80483cc, 0x3cc, 0x180, 0x0, 0x0, 0x4, 0x0, 0x180}, + {".fini", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x804854c, 0x54c, 0xc, 0x0, 0x0, 0x4, 0x0, 0xc}, + {".rodata", SHT_PROGBITS, SHF_ALLOC, 0x8048558, 0x558, 0xa3, 0x0, 0x0, 0x1, 0x0, 0xa3}, + {".data", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80495fc, 0x5fc, 0xc, 0x0, 0x0, 0x4, 0x0, 0xc}, + {".eh_frame", SHT_PROGBITS, SHF_ALLOC, 0x8049608, 0x608, 0x4, 0x0, 0x0, 0x4, 0x0, 0x4}, + {".dynamic", SHT_DYNAMIC, SHF_WRITE + SHF_ALLOC, 0x804960c, 0x60c, 0x98, 0x4, 0x0, 0x4, 0x8, 0x98}, + {".ctors", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80496a4, 0x6a4, 0x8, 0x0, 0x0, 0x4, 0x0, 0x8}, + {".dtors", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80496ac, 0x6ac, 0x8, 0x0, 0x0, 0x4, 0x0, 0x8}, + {".jcr", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80496b4, 0x6b4, 0x4, 0x0, 0x0, 0x4, 0x0, 0x4}, + {".got", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x80496b8, 0x6b8, 0x1c, 0x0, 0x0, 0x4, 0x4, 0x1c}, + {".bss", SHT_NOBITS, SHF_WRITE + SHF_ALLOC, 0x80496d4, 0x6d4, 0x20, 0x0, 0x0, 0x4, 0x0, 0x20}, + {".comment", SHT_PROGBITS, 0x0, 0x0, 0x6d4, 0x12d, 0x0, 0x0, 0x1, 0x0, 0x12d}, + {".debug_aranges", SHT_PROGBITS, 0x0, 0x0, 0x801, 0x20, 0x0, 0x0, 0x1, 0x0, 0x20}, + {".debug_pubnames", SHT_PROGBITS, 0x0, 0x0, 0x821, 0x1b, 0x0, 0x0, 0x1, 0x0, 0x1b}, + {".debug_info", SHT_PROGBITS, 0x0, 0x0, 0x83c, 0x11d, 0x0, 0x0, 0x1, 0x0, 0x11d}, + {".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0x959, 0x41, 0x0, 0x0, 0x1, 0x0, 0x41}, + {".debug_line", SHT_PROGBITS, 0x0, 0x0, 0x99a, 0x35, 0x0, 0x0, 0x1, 0x0, 0x35}, + {".debug_frame", SHT_PROGBITS, 0x0, 0x0, 0x9d0, 0x30, 0x0, 0x0, 0x4, 0x0, 0x30}, + {".debug_str", SHT_PROGBITS, 0x0, 0x0, 0xa00, 0xd, 0x0, 0x0, 0x1, 0x0, 0xd}, + {".shstrtab", SHT_STRTAB, 0x0, 0x0, 0xa0d, 0xf8, 0x0, 0x0, 0x1, 0x0, 0xf8}, + {".symtab", SHT_SYMTAB, 0x0, 0x0, 0xfb8, 0x4b0, 0x1d, 0x38, 0x4, 0x10, 0x4b0}, + {".strtab", SHT_STRTAB, 0x0, 0x0, 0x1468, 0x206, 0x0, 0x0, 0x1, 0x0, 0x206}, + }, + []ProgHeader{ + {PT_PHDR, PF_R + PF_X, 0x34, 0x8048034, 0x8048034, 0xa0, 0xa0, 0x4}, + {PT_INTERP, PF_R, 0xd4, 0x80480d4, 0x80480d4, 0x15, 0x15, 0x1}, + {PT_LOAD, PF_R + PF_X, 0x0, 0x8048000, 0x8048000, 0x5fb, 0x5fb, 0x1000}, + {PT_LOAD, PF_R + PF_W, 0x5fc, 0x80495fc, 0x80495fc, 0xd8, 0xf8, 0x1000}, + {PT_DYNAMIC, PF_R + PF_W, 0x60c, 0x804960c, 0x804960c, 0x98, 0x98, 0x4}, + }, + []string{"libc.so.6"}, + }, + { + "testdata/gcc-amd64-linux-exec", + FileHeader{ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE, 0, binary.LittleEndian, ET_EXEC, EM_X86_64, 0x4003e0}, + []SectionHeader{ + {"", SHT_NULL, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, + {".interp", SHT_PROGBITS, SHF_ALLOC, 0x400200, 0x200, 0x1c, 0x0, 0x0, 0x1, 0x0, 0x1c}, + {".note.ABI-tag", SHT_NOTE, SHF_ALLOC, 0x40021c, 0x21c, 0x20, 0x0, 0x0, 0x4, 0x0, 0x20}, + {".hash", SHT_HASH, SHF_ALLOC, 0x400240, 0x240, 0x24, 0x5, 0x0, 0x8, 0x4, 0x24}, + {".gnu.hash", SHT_LOOS + 268435446, SHF_ALLOC, 0x400268, 0x268, 0x1c, 0x5, 0x0, 0x8, 0x0, 0x1c}, + {".dynsym", SHT_DYNSYM, SHF_ALLOC, 0x400288, 0x288, 0x60, 0x6, 0x1, 0x8, 0x18, 0x60}, + {".dynstr", SHT_STRTAB, SHF_ALLOC, 0x4002e8, 0x2e8, 0x3d, 0x0, 0x0, 0x1, 0x0, 0x3d}, + {".gnu.version", SHT_HIOS, SHF_ALLOC, 0x400326, 0x326, 0x8, 0x5, 0x0, 0x2, 0x2, 0x8}, + {".gnu.version_r", SHT_LOOS + 268435454, SHF_ALLOC, 0x400330, 0x330, 0x20, 0x6, 0x1, 0x8, 0x0, 0x20}, + {".rela.dyn", SHT_RELA, SHF_ALLOC, 0x400350, 0x350, 0x18, 0x5, 0x0, 0x8, 0x18, 0x18}, + {".rela.plt", SHT_RELA, SHF_ALLOC, 0x400368, 0x368, 0x30, 0x5, 0xc, 0x8, 0x18, 0x30}, + {".init", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x400398, 0x398, 0x18, 0x0, 0x0, 0x4, 0x0, 0x18}, + {".plt", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x4003b0, 0x3b0, 0x30, 0x0, 0x0, 0x4, 0x10, 0x30}, + {".text", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x4003e0, 0x3e0, 0x1b4, 0x0, 0x0, 0x10, 0x0, 0x1b4}, + {".fini", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR, 0x400594, 0x594, 0xe, 0x0, 0x0, 0x4, 0x0, 0xe}, + {".rodata", SHT_PROGBITS, SHF_ALLOC, 0x4005a4, 0x5a4, 0x11, 0x0, 0x0, 0x4, 0x0, 0x11}, + {".eh_frame_hdr", SHT_PROGBITS, SHF_ALLOC, 0x4005b8, 0x5b8, 0x24, 0x0, 0x0, 0x4, 0x0, 0x24}, + {".eh_frame", SHT_PROGBITS, SHF_ALLOC, 0x4005e0, 0x5e0, 0xa4, 0x0, 0x0, 0x8, 0x0, 0xa4}, + {".ctors", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600688, 0x688, 0x10, 0x0, 0x0, 0x8, 0x0, 0x10}, + {".dtors", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600698, 0x698, 0x10, 0x0, 0x0, 0x8, 0x0, 0x10}, + {".jcr", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x6006a8, 0x6a8, 0x8, 0x0, 0x0, 0x8, 0x0, 0x8}, + {".dynamic", SHT_DYNAMIC, SHF_WRITE + SHF_ALLOC, 0x6006b0, 0x6b0, 0x1a0, 0x6, 0x0, 0x8, 0x10, 0x1a0}, + {".got", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600850, 0x850, 0x8, 0x0, 0x0, 0x8, 0x8, 0x8}, + {".got.plt", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600858, 0x858, 0x28, 0x0, 0x0, 0x8, 0x8, 0x28}, + {".data", SHT_PROGBITS, SHF_WRITE + SHF_ALLOC, 0x600880, 0x880, 0x18, 0x0, 0x0, 0x8, 0x0, 0x18}, + {".bss", SHT_NOBITS, SHF_WRITE + SHF_ALLOC, 0x600898, 0x898, 0x8, 0x0, 0x0, 0x4, 0x0, 0x8}, + {".comment", SHT_PROGBITS, 0x0, 0x0, 0x898, 0x126, 0x0, 0x0, 0x1, 0x0, 0x126}, + {".debug_aranges", SHT_PROGBITS, 0x0, 0x0, 0x9c0, 0x90, 0x0, 0x0, 0x10, 0x0, 0x90}, + {".debug_pubnames", SHT_PROGBITS, 0x0, 0x0, 0xa50, 0x25, 0x0, 0x0, 0x1, 0x0, 0x25}, + {".debug_info", SHT_PROGBITS, 0x0, 0x0, 0xa75, 0x1a7, 0x0, 0x0, 0x1, 0x0, 0x1a7}, + {".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0xc1c, 0x6f, 0x0, 0x0, 0x1, 0x0, 0x6f}, + {".debug_line", SHT_PROGBITS, 0x0, 0x0, 0xc8b, 0x13f, 0x0, 0x0, 0x1, 0x0, 0x13f}, + {".debug_str", SHT_PROGBITS, SHF_MERGE + SHF_STRINGS, 0x0, 0xdca, 0xb1, 0x0, 0x0, 0x1, 0x1, 0xb1}, + {".debug_ranges", SHT_PROGBITS, 0x0, 0x0, 0xe80, 0x90, 0x0, 0x0, 0x10, 0x0, 0x90}, + {".shstrtab", SHT_STRTAB, 0x0, 0x0, 0xf10, 0x149, 0x0, 0x0, 0x1, 0x0, 0x149}, + {".symtab", SHT_SYMTAB, 0x0, 0x0, 0x19a0, 0x6f0, 0x24, 0x39, 0x8, 0x18, 0x6f0}, + {".strtab", SHT_STRTAB, 0x0, 0x0, 0x2090, 0x1fc, 0x0, 0x0, 0x1, 0x0, 0x1fc}, + }, + []ProgHeader{ + {PT_PHDR, PF_R + PF_X, 0x40, 0x400040, 0x400040, 0x1c0, 0x1c0, 0x8}, + {PT_INTERP, PF_R, 0x200, 0x400200, 0x400200, 0x1c, 0x1c, 1}, + {PT_LOAD, PF_R + PF_X, 0x0, 0x400000, 0x400000, 0x684, 0x684, 0x200000}, + {PT_LOAD, PF_R + PF_W, 0x688, 0x600688, 0x600688, 0x210, 0x218, 0x200000}, + {PT_DYNAMIC, PF_R + PF_W, 0x6b0, 0x6006b0, 0x6006b0, 0x1a0, 0x1a0, 0x8}, + {PT_NOTE, PF_R, 0x21c, 0x40021c, 0x40021c, 0x20, 0x20, 0x4}, + {PT_LOOS + 0x474E550, PF_R, 0x5b8, 0x4005b8, 0x4005b8, 0x24, 0x24, 0x4}, + {PT_LOOS + 0x474E551, PF_R + PF_W, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, + }, + []string{"libc.so.6"}, + }, + { + "testdata/hello-world-core.gz", + FileHeader{ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE, 0x0, binary.LittleEndian, ET_CORE, EM_X86_64, 0x0}, + []SectionHeader{}, + []ProgHeader{ + {Type: PT_NOTE, Flags: 0x0, Off: 0x3f8, Vaddr: 0x0, Paddr: 0x0, Filesz: 0x8ac, Memsz: 0x0, Align: 0x0}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0x1000, Vaddr: 0x400000, Paddr: 0x0, Filesz: 0x0, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_R, Off: 0x1000, Vaddr: 0x401000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x2000, Vaddr: 0x402000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0x3000, Vaddr: 0x7f54078b8000, Paddr: 0x0, Filesz: 0x0, Memsz: 0x1b5000, Align: 0x1000}, + {Type: PT_LOAD, Flags: 0x0, Off: 0x3000, Vaddr: 0x7f5407a6d000, Paddr: 0x0, Filesz: 0x0, Memsz: 0x1ff000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_R, Off: 0x3000, Vaddr: 0x7f5407c6c000, Paddr: 0x0, Filesz: 0x4000, Memsz: 0x4000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x7000, Vaddr: 0x7f5407c70000, Paddr: 0x0, Filesz: 0x2000, Memsz: 0x2000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x9000, Vaddr: 0x7f5407c72000, Paddr: 0x0, Filesz: 0x5000, Memsz: 0x5000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0xe000, Vaddr: 0x7f5407c77000, Paddr: 0x0, Filesz: 0x0, Memsz: 0x22000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0xe000, Vaddr: 0x7f5407e81000, Paddr: 0x0, Filesz: 0x3000, Memsz: 0x3000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x11000, Vaddr: 0x7f5407e96000, Paddr: 0x0, Filesz: 0x3000, Memsz: 0x3000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_R, Off: 0x14000, Vaddr: 0x7f5407e99000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x15000, Vaddr: 0x7f5407e9a000, Paddr: 0x0, Filesz: 0x2000, Memsz: 0x2000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_W + PF_R, Off: 0x17000, Vaddr: 0x7fff79972000, Paddr: 0x0, Filesz: 0x23000, Memsz: 0x23000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0x3a000, Vaddr: 0x7fff799f8000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + {Type: PT_LOAD, Flags: PF_X + PF_R, Off: 0x3b000, Vaddr: 0xffffffffff600000, Paddr: 0x0, Filesz: 0x1000, Memsz: 0x1000, Align: 0x1000}, + }, + nil, + }, + { + "testdata/compressed-32.obj", + FileHeader{ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE, 0x0, binary.LittleEndian, ET_REL, EM_386, 0x0}, + []SectionHeader{ + {"", SHT_NULL, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, + {".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR, 0x0, 0x34, 0x17, 0x0, 0x0, 0x1, 0x0, 0x17}, + {".rel.text", SHT_REL, SHF_INFO_LINK, 0x0, 0x3dc, 0x10, 0x13, 0x1, 0x4, 0x8, 0x10}, + {".data", SHT_PROGBITS, SHF_WRITE | SHF_ALLOC, 0x0, 0x4b, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".bss", SHT_NOBITS, SHF_WRITE | SHF_ALLOC, 0x0, 0x4b, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".rodata", SHT_PROGBITS, SHF_ALLOC, 0x0, 0x4b, 0xd, 0x0, 0x0, 0x1, 0x0, 0xd}, + {".debug_info", SHT_PROGBITS, SHF_COMPRESSED, 0x0, 0x58, 0xb4, 0x0, 0x0, 0x1, 0x0, 0x84}, + {".rel.debug_info", SHT_REL, SHF_INFO_LINK, 0x0, 0x3ec, 0xa0, 0x13, 0x6, 0x4, 0x8, 0xa0}, + {".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0xdc, 0x5a, 0x0, 0x0, 0x1, 0x0, 0x5a}, + {".debug_aranges", SHT_PROGBITS, 0x0, 0x0, 0x136, 0x20, 0x0, 0x0, 0x1, 0x0, 0x20}, + {".rel.debug_aranges", SHT_REL, SHF_INFO_LINK, 0x0, 0x48c, 0x10, 0x13, 0x9, 0x4, 0x8, 0x10}, + {".debug_line", SHT_PROGBITS, 0x0, 0x0, 0x156, 0x5c, 0x0, 0x0, 0x1, 0x0, 0x5c}, + {".rel.debug_line", SHT_REL, SHF_INFO_LINK, 0x0, 0x49c, 0x8, 0x13, 0xb, 0x4, 0x8, 0x8}, + {".debug_str", SHT_PROGBITS, SHF_MERGE | SHF_STRINGS | SHF_COMPRESSED, 0x0, 0x1b2, 0x10f, 0x0, 0x0, 0x1, 0x1, 0xb3}, + {".comment", SHT_PROGBITS, SHF_MERGE | SHF_STRINGS, 0x0, 0x265, 0x2a, 0x0, 0x0, 0x1, 0x1, 0x2a}, + {".note.GNU-stack", SHT_PROGBITS, 0x0, 0x0, 0x28f, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".eh_frame", SHT_PROGBITS, SHF_ALLOC, 0x0, 0x290, 0x38, 0x0, 0x0, 0x4, 0x0, 0x38}, + {".rel.eh_frame", SHT_REL, SHF_INFO_LINK, 0x0, 0x4a4, 0x8, 0x13, 0x10, 0x4, 0x8, 0x8}, + {".shstrtab", SHT_STRTAB, 0x0, 0x0, 0x4ac, 0xab, 0x0, 0x0, 0x1, 0x0, 0xab}, + {".symtab", SHT_SYMTAB, 0x0, 0x0, 0x2c8, 0x100, 0x14, 0xe, 0x4, 0x10, 0x100}, + {".strtab", SHT_STRTAB, 0x0, 0x0, 0x3c8, 0x13, 0x0, 0x0, 0x1, 0x0, 0x13}, + }, + []ProgHeader{}, + nil, + }, + { + "testdata/compressed-64.obj", + FileHeader{ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE, 0x0, binary.LittleEndian, ET_REL, EM_X86_64, 0x0}, + []SectionHeader{ + {"", SHT_NULL, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, + {".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR, 0x0, 0x40, 0x1b, 0x0, 0x0, 0x1, 0x0, 0x1b}, + {".rela.text", SHT_RELA, SHF_INFO_LINK, 0x0, 0x488, 0x30, 0x13, 0x1, 0x8, 0x18, 0x30}, + {".data", SHT_PROGBITS, SHF_WRITE | SHF_ALLOC, 0x0, 0x5b, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".bss", SHT_NOBITS, SHF_WRITE | SHF_ALLOC, 0x0, 0x5b, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".rodata", SHT_PROGBITS, SHF_ALLOC, 0x0, 0x5b, 0xd, 0x0, 0x0, 0x1, 0x0, 0xd}, + {".debug_info", SHT_PROGBITS, SHF_COMPRESSED, 0x0, 0x68, 0xba, 0x0, 0x0, 0x1, 0x0, 0x72}, + {".rela.debug_info", SHT_RELA, SHF_INFO_LINK, 0x0, 0x4b8, 0x1c8, 0x13, 0x6, 0x8, 0x18, 0x1c8}, + {".debug_abbrev", SHT_PROGBITS, 0x0, 0x0, 0xda, 0x5c, 0x0, 0x0, 0x1, 0x0, 0x5c}, + {".debug_aranges", SHT_PROGBITS, SHF_COMPRESSED, 0x0, 0x136, 0x30, 0x0, 0x0, 0x1, 0x0, 0x2f}, + {".rela.debug_aranges", SHT_RELA, SHF_INFO_LINK, 0x0, 0x680, 0x30, 0x13, 0x9, 0x8, 0x18, 0x30}, + {".debug_line", SHT_PROGBITS, 0x0, 0x0, 0x165, 0x60, 0x0, 0x0, 0x1, 0x0, 0x60}, + {".rela.debug_line", SHT_RELA, SHF_INFO_LINK, 0x0, 0x6b0, 0x18, 0x13, 0xb, 0x8, 0x18, 0x18}, + {".debug_str", SHT_PROGBITS, SHF_MERGE | SHF_STRINGS | SHF_COMPRESSED, 0x0, 0x1c5, 0x104, 0x0, 0x0, 0x1, 0x1, 0xc3}, + {".comment", SHT_PROGBITS, SHF_MERGE | SHF_STRINGS, 0x0, 0x288, 0x2a, 0x0, 0x0, 0x1, 0x1, 0x2a}, + {".note.GNU-stack", SHT_PROGBITS, 0x0, 0x0, 0x2b2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0}, + {".eh_frame", SHT_PROGBITS, SHF_ALLOC, 0x0, 0x2b8, 0x38, 0x0, 0x0, 0x8, 0x0, 0x38}, + {".rela.eh_frame", SHT_RELA, SHF_INFO_LINK, 0x0, 0x6c8, 0x18, 0x13, 0x10, 0x8, 0x18, 0x18}, + {".shstrtab", SHT_STRTAB, 0x0, 0x0, 0x6e0, 0xb0, 0x0, 0x0, 0x1, 0x0, 0xb0}, + {".symtab", SHT_SYMTAB, 0x0, 0x0, 0x2f0, 0x180, 0x14, 0xe, 0x8, 0x18, 0x180}, + {".strtab", SHT_STRTAB, 0x0, 0x0, 0x470, 0x13, 0x0, 0x0, 0x1, 0x0, 0x13}, + }, + []ProgHeader{}, + nil, + }, +} + +func TestOpen(t *testing.T) { + for i := range fileTests { + tt := &fileTests[i] + + var f *File + var err error + if path.Ext(tt.file) == ".gz" { + var r io.ReaderAt + if r, err = decompress(tt.file); err == nil { + f, err = NewFile(r) + } + } else { + f, err = Open(tt.file) + } + if err != nil { + t.Errorf("cannot open file %s: %v", tt.file, err) + continue + } + defer f.Close() + 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, s := range f.Sections { + if i >= len(tt.sections) { + break + } + sh := &tt.sections[i] + if !reflect.DeepEqual(&s.SectionHeader, sh) { + t.Errorf("open %s, section %d:\n\thave %#v\n\twant %#v\n", tt.file, i, &s.SectionHeader, sh) + } + } + for i, p := range f.Progs { + if i >= len(tt.progs) { + break + } + ph := &tt.progs[i] + if !reflect.DeepEqual(&p.ProgHeader, ph) { + t.Errorf("open %s, program %d:\n\thave %#v\n\twant %#v\n", tt.file, i, &p.ProgHeader, ph) + } + } + tn := len(tt.sections) + fn := len(f.Sections) + if tn != fn { + t.Errorf("open %s: len(Sections) = %d, want %d", tt.file, fn, tn) + } + tn = len(tt.progs) + fn = len(f.Progs) + if tn != fn { + t.Errorf("open %s: len(Progs) = %d, want %d", tt.file, fn, tn) + } + tl := tt.needed + fl, err := f.ImportedLibraries() + if err != nil { + t.Error(err) + } + if !reflect.DeepEqual(tl, fl) { + t.Errorf("open %s: DT_NEEDED = %v, want %v", tt.file, tl, fl) + } + } +} + +// elf.NewFile requires io.ReaderAt, which compress/gzip cannot +// provide. Decompress the file to a bytes.Reader. +func decompress(gz string) (io.ReaderAt, error) { + in, err := os.Open(gz) + if err != nil { + return nil, err + } + defer in.Close() + r, err := gzip.NewReader(in) + if err != nil { + return nil, err + } + var out bytes.Buffer + _, err = io.Copy(&out, r) + return bytes.NewReader(out.Bytes()), err +} + +type relocationTestEntry struct { + entryNumber int + entry *dwarf.Entry + pcRanges [][2]uint64 +} + +type relocationTest struct { + file string + entries []relocationTestEntry +} + +var relocationTests = []relocationTest{ + { + "testdata/go-relocation-test-gcc441-x86-64.obj", + []relocationTestEntry{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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{ + { + 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}, + }, + }, + }, + { + 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 _, 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) + } + dwarf, err := f.DWARF() + if err != nil { + t.Fatal(err) + } + 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) + } + } + }) + } +} + +func TestCompressedDWARF(t *testing.T) { + // Test file built with GCC 4.8.4 and as 2.24 using: + // gcc -Wa,--compress-debug-sections -g -c -o zdebug-test-gcc484-x86-64.obj hello.c + f, err := Open("testdata/zdebug-test-gcc484-x86-64.obj") + if err != nil { + t.Fatal(err) + } + dwarf, err := f.DWARF() + if err != nil { + t.Fatal(err) + } + reader := dwarf.Reader() + n := 0 + for { + entry, err := reader.Next() + if err != nil { + t.Fatal(err) + } + if entry == nil { + break + } + n++ + } + if n != 18 { + t.Fatalf("want %d DWARF entries, got %d", 18, n) + } +} + +func TestCompressedSection(t *testing.T) { + // Test files built with gcc -g -S hello.c and assembled with + // --compress-debug-sections=zlib-gabi. + f, err := Open("testdata/compressed-64.obj") + if err != nil { + t.Fatal(err) + } + sec := f.Section(".debug_info") + wantData := []byte{ + 182, 0, 0, 0, 4, 0, 0, 0, 0, 0, 8, 1, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 27, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 8, 7, + 0, 0, 0, 0, 2, 1, 8, 0, 0, 0, 0, 2, 2, 7, 0, 0, + 0, 0, 2, 4, 7, 0, 0, 0, 0, 2, 1, 6, 0, 0, 0, 0, + 2, 2, 5, 0, 0, 0, 0, 3, 4, 5, 105, 110, 116, 0, 2, 8, + 5, 0, 0, 0, 0, 2, 8, 7, 0, 0, 0, 0, 4, 8, 114, 0, + 0, 0, 2, 1, 6, 0, 0, 0, 0, 5, 0, 0, 0, 0, 1, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 27, 0, 0, 0, 0, 0, 0, 0, + 1, 156, 179, 0, 0, 0, 6, 0, 0, 0, 0, 1, 4, 87, 0, 0, + 0, 2, 145, 108, 6, 0, 0, 0, 0, 1, 4, 179, 0, 0, 0, 2, + 145, 96, 0, 4, 8, 108, 0, 0, 0, 0, + } + + // Test Data method. + b, err := sec.Data() + if err != nil { + t.Fatal(err) + } + if !bytes.Equal(wantData, b) { + t.Fatalf("want data %x, got %x", wantData, b) + } + + // Test Open method and seeking. + buf, have, count := make([]byte, len(b)), make([]bool, len(b)), 0 + sf := sec.Open() + if got, err := sf.Seek(0, io.SeekEnd); got != int64(len(b)) || err != nil { + t.Fatalf("want seek end %d, got %d error %v", len(b), got, err) + } + if n, err := sf.Read(buf); n != 0 || err != io.EOF { + t.Fatalf("want EOF with 0 bytes, got %v with %d bytes", err, n) + } + pos := int64(len(buf)) + for count < len(buf) { + // Construct random seek arguments. + whence := rand.Intn(3) + target := rand.Int63n(int64(len(buf))) + var offset int64 + switch whence { + case io.SeekStart: + offset = target + case io.SeekCurrent: + offset = target - pos + case io.SeekEnd: + offset = target - int64(len(buf)) + } + pos, err = sf.Seek(offset, whence) + if err != nil { + t.Fatal(err) + } + if pos != target { + t.Fatalf("want position %d, got %d", target, pos) + } + + // Read data from the new position. + end := pos + 16 + if end > int64(len(buf)) { + end = int64(len(buf)) + } + n, err := io.ReadFull(sf, buf[pos:end]) + if err != nil { + t.Fatal(err) + } + for i := 0; i < n; i++ { + if !have[pos] { + have[pos] = true + count++ + } + pos++ + } + } + if !bytes.Equal(wantData, buf) { + t.Fatalf("want data %x, got %x", wantData, buf) + } +} + +func TestNoSectionOverlaps(t *testing.T) { + // Ensure cmd/link outputs sections without overlaps. + switch runtime.GOOS { + case "aix", "android", "darwin", "ios", "js", "plan9", "windows": + t.Skipf("cmd/link doesn't produce ELF binaries on %s", runtime.GOOS) + } + _ = net.ResolveIPAddr // force dynamic linkage + f, err := Open(os.Args[0]) + if err != nil { + t.Error(err) + return + } + for i, si := range f.Sections { + sih := si.SectionHeader + if sih.Type == SHT_NOBITS { + continue + } + for j, sj := range f.Sections { + sjh := sj.SectionHeader + if i == j || sjh.Type == SHT_NOBITS || sih.Offset == sjh.Offset && sih.Size == 0 { + continue + } + if sih.Offset >= sjh.Offset && sih.Offset < sjh.Offset+sjh.Size { + t.Errorf("ld produced ELF with section %s within %s: 0x%x <= 0x%x..0x%x < 0x%x", + sih.Name, sjh.Name, sjh.Offset, sih.Offset, sih.Offset+sih.Size, sjh.Offset+sjh.Size) + } + } + } +} + +func TestIssue10996(t *testing.T) { + data := []byte("\u007fELF\x02\x01\x010000000000000" + + "\x010000000000000000000" + + "\x00\x00\x00\x00\x00\x00\x00\x0000000000\x00\x00\x00\x00" + + "0000") + _, err := NewFile(bytes.NewReader(data)) + if err == nil { + t.Fatalf("opening invalid ELF file unexpectedly succeeded") + } +} |