## This test checks how we handle the --elf-cg-profile option.
# RUN: yaml2obj %s -o %t.o
# RUN: llvm-readobj %t.o --cg-profile | FileCheck %s --check-prefix=LLVM
# RUN: llvm-readelf %t.o --cg-profile | FileCheck %s --check-prefix=GNU
# RUN: llvm-readobj %t.o --elf-cg-profile | FileCheck %s --check-prefix=LLVM
# RUN: llvm-readelf %t.o --elf-cg-profile | FileCheck %s --check-prefix=GNU
# LLVM: CGProfile [
# LLVM-NEXT: CGProfileEntry {
# LLVM-NEXT: From: foo (1)
# LLVM-NEXT: To: bar (2)
# LLVM-NEXT: Weight: 89
# LLVM-NEXT: }
# LLVM-NEXT: CGProfileEntry {
# LLVM-NEXT: From: bar (2)
# LLVM-NEXT: To: foo (1)
# LLVM-NEXT: Weight: 98
# LLVM-NEXT: }
# LLVM-NEXT: ]
# GNU: GNUStyle::printCGProfile not implemented
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .llvm.call-graph-profile
Type: SHT_LLVM_CALL_GRAPH_PROFILE
Entries:
- Weight: 89
- Weight: 98
EntSize: [[ENTSIZE=<none>]]
- Name: .rel.llvm.call-graph-profile
Type: SHT_REL
Info: .llvm.call-graph-profile
Relocations:
- Symbol: foo
Type: R_X86_64_NONE
- Offset: 0x0
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: foo
Type: R_X86_64_NONE
Symbols:
- Name: foo
- Name: bar
## Check we report a warning when unable to get the content of the SHT_LLVM_CALL_GRAPH_PROFILE section.
# RUN: yaml2obj %s -DENTSIZE=0xF -o %t2.o
# RUN: llvm-readobj %t2.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t2.o --check-prefix=LLVM-ERR
# RUN: llvm-readelf %t2.o --cg-profile | FileCheck %s --check-prefix=GNU
# LLVM-ERR: warning: '[[FILE]]': unable to load the SHT_LLVM_CALL_GRAPH_PROFILE section: section [index 1] has invalid sh_entsize: expected 8, but got 15
## Check we report a warning when unable to dump a name of a symbol.
# RUN: yaml2obj %s --docnum=2 -o %t3.o
# RUN: llvm-readobj %t3.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t3.o --check-prefix=LLVM-BROKEN-SYM
# RUN: llvm-readelf %t3.o --cg-profile | FileCheck %s --check-prefix=GNU
# LLVM-BROKEN-SYM: CGProfile [
# LLVM-BROKEN-SYM-NEXT: CGProfileEntry {
# LLVM-BROKEN-SYM-NEXT: From: A (1)
# LLVM-BROKEN-SYM-NEXT: warning: '[[FILE]]': unable to read the name of symbol with index 2: st_name (0xff) is past the end of the string table of size 0x5
# LLVM-BROKEN-SYM-NEXT: To: <?> (2)
# LLVM-BROKEN-SYM-NEXT: Weight: 10
# LLVM-BROKEN-SYM-NEXT: }
# LLVM-BROKEN-SYM-NEXT: CGProfileEntry {
# LLVM-BROKEN-SYM-NEXT: From: <?> (2)
# LLVM-BROKEN-SYM-NEXT: To: B (3)
# LLVM-BROKEN-SYM-NEXT: Weight: 20
# LLVM-BROKEN-SYM-NEXT: }
# LLVM-BROKEN-SYM-NEXT: CGProfileEntry {
# LLVM-BROKEN-SYM-NEXT: From: (0)
# LLVM-BROKEN-SYM-NEXT: warning: '[[FILE]]': unable to read the name of symbol with index 4: unable to get symbol from section [index 4]: invalid symbol index (4)
# LLVM-BROKEN-SYM-NEXT: To: <?> (4)
# LLVM-BROKEN-SYM-NEXT: Weight: 20
# LLVM-BROKEN-SYM-NEXT: }
# LLVM-BROKEN-SYM-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .llvm.call-graph-profile
Type: SHT_LLVM_CALL_GRAPH_PROFILE
Entries:
- Weight: 10
- Weight: 20
- Weight: 20
- Name: .rel.llvm.call-graph-profile
Type: SHT_REL
Info: .llvm.call-graph-profile
Relocations:
- Symbol: 1
Type: R_X86_64_NONE
- Offset: 0x0
Symbol: 2
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: 2
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: 3
Type: R_X86_64_NONE
- Offset: 0x10
Symbol: 0x0 ## Null symbol.
Type: R_X86_64_NONE
- Offset: 0x10
Symbol: 0x4 ## This index goes past the end of the symbol table.
Type: R_X86_64_NONE
- Name: .strtab
Type: SHT_STRTAB
Content: "0041004200" ## '\0', 'A', '\0', 'B', '\0'
Symbols:
- StName: 1 ## 'A'
- StName: 0xFF ## An arbitrary currupted index in the string table.
- StName: 3 ## 'B'
## Check we report a warning when a relocation section is not present.
# RUN: yaml2obj %s --docnum=3 -o %t4.o
# RUN: llvm-readobj %t4.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t4.o --check-prefix=LLVM-NO-RELOC
# RUN: llvm-readobj %t4.o --elf-cg-profile 2>&1 | FileCheck %s -DFILE=%t4.o --check-prefix=LLVM-NO-RELOC
# LLVM-NO-RELOC: warning: '[[FILE]]': relocation section for a call graph section doesn't exist
# LLVM-NO-RELOC-NEXT: CGProfile [
# LLVM-NO-RELOC-NEXT: CGProfileEntry {
# LLVM-NO-RELOC-NEXT: Weight: 89
# LLVM-NO-RELOC-NEXT: }
# LLVM-NO-RELOC-NEXT: CGProfileEntry {
# LLVM-NO-RELOC-NEXT: Weight: 98
# LLVM-NO-RELOC-NEXT: }
# LLVM-NO-RELOC-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .llvm.call-graph-profile
Type: SHT_LLVM_CALL_GRAPH_PROFILE
Entries:
- Weight: 89
- Weight: 98
Symbols:
- Name: foo
- Name: bar
## Check we report a warning when the number of relocation section entries does not match the number of call graph entries.
# RUN: yaml2obj %s --docnum=4 -o %t5.o
# RUN: llvm-readobj %t5.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t5.o --check-prefix=LLVM-RELOC-GRAPH-NOT-MATCH
# RUN: llvm-readobj %t5.o --elf-cg-profile 2>&1 | FileCheck %s -DFILE=%t5.o --check-prefix=LLVM-RELOC-GRAPH-NOT-MATCH
# LLVM-RELOC-GRAPH-NOT-MATCH: warning: '[[FILE]]': number of from/to pairs does not match number of frequencies
# LLVM-RELOC-GRAPH-NOT-MATCH-NEXT: CGProfile [
# LLVM-RELOC-GRAPH-NOT-MATCH-NEXT: CGProfileEntry {
# LLVM-RELOC-GRAPH-NOT-MATCH-NEXT: Weight: 89
# LLVM-RELOC-GRAPH-NOT-MATCH-NEXT: }
# LLVM-RELOC-GRAPH-NOT-MATCH-NEXT: CGProfileEntry {
# LLVM-RELOC-GRAPH-NOT-MATCH-NEXT: Weight: 98
# LLVM-RELOC-GRAPH-NOT-MATCH-NEXT: }
# LLVM-RELOC-GRAPH-NOT-MATCH-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .llvm.call-graph-profile
Type: SHT_LLVM_CALL_GRAPH_PROFILE
Entries:
- Weight: 89
- Weight: 98
- Name: .rel.llvm.call-graph-profile
Type: SHT_REL
Info: .llvm.call-graph-profile
Relocations:
- Symbol: foo
Type: R_X86_64_NONE
- Offset: 0x0
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: foo
Type: R_X86_64_NONE
- Offset: 0x10
Symbol: foo
Type: R_X86_64_NONE
Symbols:
- Name: foo
- Name: bar
## Check we report a warning when a REL relocation section can't be loaded.
# RUN: yaml2obj %s --docnum=5 -o %t6.o
# RUN: llvm-readobj %t6.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t6.o --check-prefix=LLVM-RELOC-WRONG-SIZE
# RUN: llvm-readobj %t6.o --elf-cg-profile 2>&1 | FileCheck %s -DFILE=%t6.o --check-prefix=LLVM-RELOC-WRONG-SIZE
# LLVM-RELOC-WRONG-SIZE: warning: '[[FILE]]': unable to load relocations for SHT_LLVM_CALL_GRAPH_PROFILE section: section [index 2] has invalid sh_entsize: expected 16, but got 24
# LLVM-RELOC-WRONG-SIZE-NEXT: CGProfile [
# LLVM-RELOC-WRONG-SIZE-NEXT: CGProfileEntry {
# LLVM-RELOC-WRONG-SIZE-NEXT: Weight: 89
# LLVM-RELOC-WRONG-SIZE-NEXT: }
# LLVM-RELOC-WRONG-SIZE-NEXT: CGProfileEntry {
# LLVM-RELOC-WRONG-SIZE-NEXT: Weight: 98
# LLVM-RELOC-WRONG-SIZE-NEXT: }
# LLVM-RELOC-WRONG-SIZE-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .llvm.call-graph-profile
Type: SHT_LLVM_CALL_GRAPH_PROFILE
Entries:
- Weight: 89
- Weight: 98
- Name: .rel.llvm.call-graph-profile
Type: SHT_REL
Info: .llvm.call-graph-profile
Relocations:
- Symbol: foo
Type: R_X86_64_NONE
- Offset: 0x0
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: foo
Type: R_X86_64_NONE
EntSize: 24
Symbols:
- Name: foo
- Name: bar
## GNU strip may convert SHT_REL to SHT_RELA. Test we can handle SHT_RELA.
# RUN: yaml2obj %s --docnum=6 -o %t7.o
# RUN: llvm-readobj %t7.o --cg-profile | FileCheck %s --check-prefix=LLVM-RELA
# RUN: llvm-readelf %t7.o --cg-profile | FileCheck %s --check-prefix=GNU-RELA
# LLVM-RELA: CGProfile [
# LLVM-RELA-NEXT: CGProfileEntry {
# LLVM-RELA-NEXT: From: foo (1)
# LLVM-RELA-NEXT: To: bar (2)
# LLVM-RELA-NEXT: Weight: 89
# LLVM-RELA-NEXT: }
# LLVM-RELA-NEXT: CGProfileEntry {
# LLVM-RELA-NEXT: From: bar (2)
# LLVM-RELA-NEXT: To: foo (1)
# LLVM-RELA-NEXT: Weight: 98
# LLVM-RELA-NEXT: }
# LLVM-RELA-NEXT: ]
# GNU-RELA: GNUStyle::printCGProfile not implemented
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .llvm.call-graph-profile
Type: SHT_LLVM_CALL_GRAPH_PROFILE
Entries:
- Weight: 89
- Weight: 98
- Name: .rela.llvm.call-graph-profile
Type: SHT_RELA
Info: .llvm.call-graph-profile
Relocations:
- Symbol: foo
Type: R_X86_64_NONE
- Offset: 0x0
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: foo
Type: R_X86_64_NONE
Symbols:
- Name: foo
- Name: bar
## Check we report a warning when a RELA relocation section can't be loaded.
# RUN: yaml2obj %s --docnum=7 -o %t8.o
# RUN: llvm-readobj %t8.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t8.o --check-prefix=LLVM-RELOC-WRONG-SIZE-RELA
# RUN: llvm-readobj %t8.o --elf-cg-profile 2>&1 | FileCheck %s -DFILE=%t8.o --check-prefix=LLVM-RELOC-WRONG-SIZE-RELA
# LLVM-RELOC-WRONG-SIZE-RELA: warning: '[[FILE]]': unable to load relocations for SHT_LLVM_CALL_GRAPH_PROFILE section: section [index 2] has invalid sh_entsize: expected 24, but got 16
# LLVM-RELOC-WRONG-SIZE-RELA-NEXT: CGProfile [
# LLVM-RELOC-WRONG-SIZE-RELA-NEXT: CGProfileEntry {
# LLVM-RELOC-WRONG-SIZE-RELA-NEXT: Weight: 89
# LLVM-RELOC-WRONG-SIZE-RELA-NEXT: }
# LLVM-RELOC-WRONG-SIZE-RELA-NEXT: CGProfileEntry {
# LLVM-RELOC-WRONG-SIZE-RELA-NEXT: Weight: 98
# LLVM-RELOC-WRONG-SIZE-RELA-NEXT: }
# LLVM-RELOC-WRONG-SIZE-RELA-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .llvm.call-graph-profile
Type: SHT_LLVM_CALL_GRAPH_PROFILE
Entries:
- Weight: 89
- Weight: 98
- Name: .rela.llvm.call-graph-profile
Type: SHT_RELA
Info: .llvm.call-graph-profile
Relocations:
- Symbol: foo
Type: R_X86_64_NONE
- Offset: 0x0
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: bar
Type: R_X86_64_NONE
- Offset: 0x8
Symbol: foo
Type: R_X86_64_NONE
EntSize: 16
Symbols:
- Name: foo
- Name: bar
## Check that we report a warning when we fail to get a section associated with
## a relocation section.
# RUN: yaml2obj %s --docnum=8 -o %t9.o
# RUN: llvm-readobj %t9.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t9.o --check-prefix=LLVM-RELOC-NO-SECTIONS
# RUN: llvm-readobj %t9.o --elf-cg-profile 2>&1 | FileCheck %s -DFILE=%t9.o --check-prefix=LLVM-RELOC-NO-SECTIONS
# LLVM-RELOC-NO-SECTIONS: warning: '[[FILE]]': unable to get CG Profile section(s): SHT_RELA section with index 1: failed to get a relocated section: invalid section index: 255
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_X86_64
Sections:
- Name: .rela.llvm.call-graph-profile
Type: SHT_RELA
Info: 0xFF
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