256 lines
8.6 KiB
Plaintext
256 lines
8.6 KiB
Plaintext
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## Check that we are able to dump MIPS PLT GOT entries using -A properly.
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# RUN: yaml2obj --docnum=1 %s -o %t.plt.o
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# RUN: llvm-readobj -A %t.plt.o | FileCheck %s --check-prefix=LLVM
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# RUN: llvm-readelf -A %t.plt.o | \
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# RUN: FileCheck %s --strict-whitespace --match-full-lines --check-prefix=GNU
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# LLVM: PLT GOT {
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# LLVM-NEXT: Reserved entries [
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# LLVM-NEXT: Entry {
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# LLVM-NEXT: Address: 0x2000
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# LLVM-NEXT: Initial: 0x0
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# LLVM-NEXT: Purpose: PLT lazy resolver
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# LLVM-NEXT: }
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# LLVM-NEXT: Entry {
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# LLVM-NEXT: Address: 0x2008
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# LLVM-NEXT: Initial: 0x0
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# LLVM-NEXT: Purpose: Module pointer
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# LLVM-NEXT: }
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# LLVM-NEXT: ]
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# LLVM-NEXT: Entries [
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# LLVM-NEXT: Entry {
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# LLVM-NEXT: Address: 0x2010
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# LLVM-NEXT: Initial: 0x0
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# LLVM-NEXT: Value: 0x0
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# LLVM-NEXT: Type: None (0x0)
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# LLVM-NEXT: Section: Undefined (0x0)
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# LLVM-NEXT: Name: foo (5)
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# LLVM-NEXT: }
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# LLVM-NEXT: Entry {
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# LLVM-NEXT: Address: 0x2018
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# LLVM-NEXT: Initial: 0x0
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# LLVM-NEXT: Value: 0x0
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# LLVM-NEXT: Type: None (0x0)
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# LLVM-NEXT: Section: Undefined (0x0)
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# LLVM-NEXT: Name: bar (1)
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# LLVM-NEXT: }
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# LLVM-NEXT: ]
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# LLVM-NEXT: }
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# GNU:PLT GOT:
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# GNU-EMPTY:
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# GNU-NEXT: Reserved entries:
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# GNU-NEXT: Address Initial Purpose
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# GNU-NEXT: 0000000000002000 0000000000000000 PLT lazy resolver
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# GNU-NEXT: 0000000000002008 0000000000000000 Module pointer
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# GNU-EMPTY:
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# GNU-NEXT: Entries:
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# GNU-NEXT: Address Initial Sym.Val. Type Ndx Name
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# GNU-NEXT: 0000000000002010 0000000000000000 0000000000000000 NOTYPE UND foo
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# GNU-NEXT: 0000000000002018 0000000000000000 0000000000000000 NOTYPE UND bar
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# GNU-NOT:{{.}}
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_MIPS
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Sections:
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- Name: .rel.plt
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Type: SHT_REL
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Flags: [ SHF_ALLOC ]
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Address: 0x1000
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Link: .dynsym
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Relocations:
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- Offset: 0x1
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Symbol: 1
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Type: R_MIPS_JUMP_SLOT
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- Offset: 0x2
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Symbol: 2
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Type: R_MIPS_JUMP_SLOT
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- Name: .got.plt
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Type: SHT_PROGBITS
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Flags: [ SHF_WRITE, SHF_ALLOC ]
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Address: 0x2000
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Size: 32 ## (dynamic symbols number + 2) * 8
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Entries:
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- Tag: DT_JMPREL
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Value: 0x1000
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- Tag: DT_MIPS_PLTGOT
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Value: 0x2000
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DynamicSymbols:
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- Name: "foo"
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- Name: "bar"
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## Check we report errors when dynamic tags, needed for dumping PLT, are missing.
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# RUN: yaml2obj --docnum=2 -DTAG=DT_MIPS_PLTGOT %s -o %t.err1.o
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# RUN: llvm-readobj -A %t.err1.o 2>&1 | FileCheck %s -DFILE=%t.err1.o --check-prefixes=NO-OUTPUT,ERR1
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# RUN: yaml2obj --docnum=2 -DTAG=DT_JMPREL %s -o %t.err2.o
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# RUN: llvm-readobj -A %t.err2.o 2>&1 | FileCheck %s -DFILE=%t.err2.o --check-prefixes=NO-OUTPUT,ERR2
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_MIPS
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Sections:
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Entries:
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- Tag: [[TAG]]
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Value: 0
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- Tag: DT_NULL
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Value: 0
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## Check we report errors when we are unable to find PLTGOT/JMPREL sections.
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# RUN: yaml2obj --docnum=3 %s -DVAL1=0xffff -o %t.err3.o
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# RUN: llvm-readobj -A %t.err3.o 2>&1 | FileCheck %s -DFILE=%t.err3.o -check-prefixes=NO-OUTPUT,ERR3
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# RUN: yaml2obj --docnum=3 %s -DVAL2=0xffff -o %t.err4.o
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# RUN: llvm-readobj -A %t.err4.o 2>&1 | FileCheck %s -DFILE=%t.err4.o -check-prefixes=NO-OUTPUT,ERR4
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_MIPS
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Sections:
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Entries:
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- Tag: DT_MIPS_PLTGOT
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Value: [[VAL1=0]]
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- Tag: DT_JMPREL
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Value: [[VAL2=0]]
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- Tag: DT_NULL
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Value: 0
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- Name: .foo
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Type: SHT_PROGBITS
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Address: 0x100
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ShSize: 0xffffffff
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Link: [[LINK=0x1]]
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DynamicSymbols: []
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## Check we report errors when we are unable to dump PLTGOT properly.
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# RUN: yaml2obj --docnum=3 -DVAL1=0x100 %s -o %t.err5.o
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# RUN: llvm-readobj -A %t.err5.o 2>&1 | FileCheck %s -DFILE=%t.err5.o -check-prefixes=NO-OUTPUT,ERR5
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# RUN: yaml2obj --docnum=3 -DVAL2=0x100 -DLINK=0xaaaaaaaa %s -o %t.err6.o
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# RUN: llvm-readobj -A %t.err6.o 2>&1 | FileCheck %s -DFILE=%t.err6.o -check-prefixes=NO-OUTPUT,ERR6
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# RUN: yaml2obj --docnum=3 -DVAL2=0x100 %s -o %t.err7.o
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# RUN: llvm-readobj -A %t.err7.o 2>&1 | FileCheck %s -DFILE=%t.err7.o -check-prefixes=NO-OUTPUT,ERR7
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# NO-OUTPUT: LoadName: <Not found>
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# NO-OUTPUT-NEXT: There is no .MIPS.abiflags section in the file.
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# NO-OUTPUT-NEXT: There is no .MIPS.options section in the file.
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# NO-OUTPUT-NEXT: There is no .reginfo section in the file.
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# ERR1-NEXT: warning: '[[FILE]]': cannot find JMPREL dynamic tag
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# ERR2-NEXT: warning: '[[FILE]]': cannot find MIPS_PLTGOT dynamic tag
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# ERR3-NEXT: warning: '[[FILE]]': there is no non-empty PLTGOT section at 0xffff
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# ERR4-NEXT: warning: '[[FILE]]': there is no non-empty RELPLT section at 0xffff
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# ERR5-NEXT: warning: '[[FILE]]': unable to read PLTGOT section content: section [index 2] has a sh_offset (0x70) + sh_size (0xffffffff) that is greater than the file size (0x280)
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# ERR6-NEXT: warning: '[[FILE]]': unable to get a symbol table linked to the SHT_PROGBITS section with index 2: invalid section index: 2863311530
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# ERR7-NEXT: warning: '[[FILE]]': unable to get a string table for the SHT_DYNAMIC section with index 1: invalid sh_type for symbol table, expected SHT_SYMTAB or SHT_DYNSYM
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# NO-OUTPUT-EMPTY:
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# NO-OUTPUT-NOT: {{.}}
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## Check how we print PLT entries when they are unnamed section symbols.
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# RUN: yaml2obj --docnum=4 %s -o %t3
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# RUN: llvm-readobj -A %t3 2>&1 | FileCheck %s -DFILE=%t3 --check-prefix=SEC-SYMS-LLVM
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# RUN: llvm-readelf -A %t3 2>&1 | FileCheck %s -DFILE=%t3 --check-prefix=SEC-SYMS-GNU
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# SEC-SYMS-LLVM: PLT GOT {
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# SEC-SYMS-LLVM: Entries [
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# SEC-SYMS-LLVM: Entry {
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# SEC-SYMS-LLVM: Section: Absolute (0xFFF1)
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# SEC-SYMS-LLVM-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff1 (SHN_ABS)
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# SEC-SYMS-LLVM-NEXT: Name: <?> (0)
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# SEC-SYMS-LLVM-NEXT: }
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# SEC-SYMS-LLVM-NEXT: Entry {
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# SEC-SYMS-LLVM: Section: .got.plt (0x2)
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# SEC-SYMS-LLVM-NEXT: Name: .got.plt (0)
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# SEC-SYMS-LLVM-NEXT: }
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# SEC-SYMS-LLVM-NEXT: Entry {
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# SEC-SYMS-LLVM: Section: Common (0xFFF2)
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# SEC-SYMS-LLVM-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff2 (SHN_COMMON)
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# SEC-SYMS-LLVM-NEXT: Name: <?> (0)
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# SEC-SYMS-LLVM-NEXT: }
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# SEC-SYMS-LLVM-NEXT: Entry {
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# SEC-SYMS-LLVM: Type: Section (0x3)
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# SEC-SYMS-LLVM-NEXT: warning: '[[FILE]]': found an extended symbol index (4), but unable to locate the extended symbol index table
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# SEC-SYMS-LLVM-NEXT: Section: Reserved (0xFFFF)
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# SEC-SYMS-LLVM-NEXT: Name: <?> (0)
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# SEC-SYMS-LLVM-NEXT: }
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# SEC-SYMS-LLVM-NEXT: ]
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# SEC-SYMS-LLVM-NEXT: }
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# SEC-SYMS-GNU: PLT GOT:
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# SEC-SYMS-GNU: Entries:
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# SEC-SYMS-GNU-NEXT: Address {{.*}} Ndx Name
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# SEC-SYMS-GNU-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff1 (SHN_ABS)
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# SEC-SYMS-GNU-NEXT: 0000000000002010 {{.*}} ABS <?>
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# SEC-SYMS-GNU-NEXT: 0000000000002018 {{.*}} 2 .got.plt
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# SEC-SYMS-GNU-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff2 (SHN_COMMON)
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# SEC-SYMS-GNU-NEXT: 0000000000002020 {{.*}} COM <?>
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# SEC-SYMS-GNU-NEXT: warning: '[[FILE]]': found an extended symbol index (4), but unable to locate the extended symbol index table
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# SEC-SYMS-GNU-NEXT: 0000000000002028 {{.*}} RSV[0xffff] <?>
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_MIPS
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Sections:
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- Name: .rel.plt
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Type: SHT_REL
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Flags: [ SHF_ALLOC ]
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Address: 0x1000
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Link: .dynsym
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Relocations:
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- Offset: 0x1
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Symbol: 1
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Type: R_MIPS_JUMP_SLOT
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- Offset: 0x2
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Symbol: 2
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Type: R_MIPS_JUMP_SLOT
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- Offset: 0x2
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Symbol: 3
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Type: R_MIPS_JUMP_SLOT
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- Offset: 0x3
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Symbol: 4
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Type: R_MIPS_JUMP_SLOT
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- Name: .got.plt
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Type: SHT_PROGBITS
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Flags: [ SHF_WRITE, SHF_ALLOC ]
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Address: 0x2000
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Size: 48 ## (dynamic symbols number + 2) * 8
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Entries:
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- Tag: DT_JMPREL
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Value: 0x1000
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- Tag: DT_MIPS_PLTGOT
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Value: 0x2000
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DynamicSymbols:
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- Type: STT_SECTION
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Index: SHN_ABS
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- Type: STT_SECTION
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Section: .got.plt
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- Type: STT_SECTION
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Index: SHN_COMMON
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- Type: STT_SECTION
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Index: SHN_XINDEX
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