You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
4.2 KiB
115 lines
4.2 KiB
## This test shows that llvm-objdump can handle sections with the same address
|
|
## when symbols in those sections are referenced. In the past, the section
|
|
## picked was non-deterministic, resulting in different symbols being found for
|
|
## the section. The test uses YAML for the input, as we need a fully linked ELF
|
|
## to reproduce the original failure.
|
|
|
|
## Two empty sections, one with symbol in, one without.
|
|
# RUN: yaml2obj %s --docnum=1 -o %t1 -D SIZE1=0 -D SIZE2=0 -D SECTION=.second -D INDEX=SHN_ABS
|
|
# RUN: llvm-objdump -d %t1 | FileCheck %s --check-prefix=TARGET
|
|
# RUN: yaml2obj %s --docnum=1 -o %t2 -D SIZE1=0 -D SIZE2=0 -D SECTION=.first -D INDEX=SHN_ABS
|
|
# RUN: llvm-objdump -d %t2 | FileCheck %s --check-prefix=TARGET
|
|
|
|
## Two sections, one empty with symbol, other non-empty, without symbol.
|
|
# RUN: yaml2obj %s --docnum=1 -o %t3 -D SIZE1=1 -D SIZE2=0 -D SECTION=.second -D INDEX=SHN_ABS
|
|
# RUN: llvm-objdump -d %t3 | FileCheck %s --check-prefix=TARGET
|
|
# RUN: yaml2obj %s --docnum=1 -o %t4 -D SIZE1=0 -D SIZE2=1 -D SECTION=.first -D INDEX=SHN_ABS
|
|
# RUN: llvm-objdump -d %t4 | FileCheck %s --check-prefix=TARGET
|
|
|
|
## Fall back to absolute symbol if no symbol found in candidate sections.
|
|
# RUN: yaml2obj %s --docnum=1 -o %t5 -D SIZE1=1 -D SIZE2=0 -D SECTION=.caller -D INDEX=SHN_ABS
|
|
# RUN: llvm-objdump -d %t5 | FileCheck %s --check-prefix=ABSOLUTE
|
|
|
|
## Show that other symbols with reserved st_shndx values are treated as absolute
|
|
## symbols.
|
|
# RUN: yaml2obj %s --docnum=1 -o %t6 -D SIZE1=1 -D SIZE2=0 -D SECTION=.caller -D INDEX=SHN_LOPROC
|
|
# RUN: llvm-objdump -d %t6 | FileCheck %s --check-prefix=ABSOLUTE
|
|
|
|
## Print no target if no symbol in section/absolute symbol found.
|
|
# RUN: llvm-objcopy %t5 %t7 -N other
|
|
# RUN: llvm-objdump -d %t7 | FileCheck %s --check-prefix=FAIL
|
|
|
|
# TARGET: callq 0x5 <target>
|
|
# ABSOLUTE: callq 0x5 <other+0x5>
|
|
# FAIL: callq 0x5{{$}}
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_EXEC
|
|
Machine: EM_X86_64
|
|
Sections:
|
|
- Name: .caller
|
|
Type: SHT_PROGBITS
|
|
Flags: [SHF_ALLOC, SHF_EXECINSTR]
|
|
Address: 0x0
|
|
Content: e800000000 ## Call instruction to next address.
|
|
- Name: .first
|
|
Type: SHT_PROGBITS
|
|
Flags: [SHF_ALLOC, SHF_EXECINSTR]
|
|
Address: 0x5
|
|
Size: [[SIZE1]]
|
|
- Name: .second
|
|
Type: SHT_PROGBITS
|
|
Flags: [SHF_ALLOC, SHF_EXECINSTR]
|
|
Address: 0x5
|
|
Size: [[SIZE2]]
|
|
Symbols:
|
|
- Name: target
|
|
Section: [[SECTION]]
|
|
Value: 0x5
|
|
- Name: other
|
|
Index: [[INDEX]]
|
|
Value: 0x0
|
|
|
|
## Two empty sections, both with symbols.
|
|
# RUN: yaml2obj %s --docnum=2 -o %t7 -D SIZE1=0 -D SIZE2=0 -D SYMVAL1=0x5 -D SYMVAL2=0x5
|
|
# RUN: llvm-objdump -d %t7 | FileCheck %s --check-prefix=SECOND
|
|
|
|
## Two sections, both with symbols, one empty, the other not.
|
|
# RUN: yaml2obj %s --docnum=2 -o %t8 -D SIZE1=1 -D SIZE2=0 -D SYMVAL1=0x5 -D SYMVAL2=0x5
|
|
# RUN: llvm-objdump -d %t8 | FileCheck %s --check-prefix=FIRST
|
|
# RUN: yaml2obj %s --docnum=2 -o %t9 -D SIZE1=0 -D SIZE2=1 -D SYMVAL1=0x5 -D SYMVAL2=0x5
|
|
# RUN: llvm-objdump -d %t9 | FileCheck %s --check-prefix=SECOND
|
|
|
|
## Two sections, both with symbols, one empty, other not, symbol in non-empty
|
|
## section has value higher than target address.
|
|
# RUN: yaml2obj %s --docnum=2 -o %t10 -D SIZE1=1 -D SIZE2=0 -D SYMVAL1=0x6 -D SYMVAL2=0x5
|
|
# RUN: llvm-objdump -d %t10 | FileCheck %s --check-prefix=SECOND
|
|
# RUN: yaml2obj %s --docnum=2 -o %t11 -D SIZE1=0 -D SIZE2=1 -D SYMVAL1=0x5 -D SYMVAL2=0x6
|
|
# RUN: llvm-objdump -d %t11 | FileCheck %s --check-prefix=FIRST
|
|
|
|
# FIRST: callq 0x5 <first>
|
|
# SECOND: callq 0x5 <second>
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_EXEC
|
|
Machine: EM_X86_64
|
|
Sections:
|
|
- Name: .caller
|
|
Type: SHT_PROGBITS
|
|
Flags: [SHF_ALLOC, SHF_EXECINSTR]
|
|
Address: 0x0
|
|
Content: e800000000 ## Call instruction to next address.
|
|
- Name: .first
|
|
Type: SHT_PROGBITS
|
|
Flags: [SHF_ALLOC, SHF_EXECINSTR]
|
|
Address: 0x5
|
|
Size: [[SIZE1]]
|
|
- Name: .second
|
|
Type: SHT_PROGBITS
|
|
Flags: [SHF_ALLOC, SHF_EXECINSTR]
|
|
Address: 0x5
|
|
Size: [[SIZE2]]
|
|
Symbols:
|
|
- Name: first
|
|
Section: .first
|
|
Value: [[SYMVAL1]]
|
|
- Name: second
|
|
Section: .second
|
|
Value: [[SYMVAL2]]
|