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