103 lines
3.4 KiB
Plaintext
103 lines
3.4 KiB
Plaintext
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## This test checks how we handle the --elf-cg-profile option.
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# RUN: yaml2obj %s -o %t.o
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# RUN: llvm-readobj %t.o --cg-profile | FileCheck %s --check-prefix=LLVM
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# RUN: llvm-readelf %t.o --cg-profile | FileCheck %s --check-prefix=GNU
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# RUN: llvm-readobj %t.o --elf-cg-profile | FileCheck %s --check-prefix=LLVM
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# RUN: llvm-readelf %t.o --elf-cg-profile | FileCheck %s --check-prefix=GNU
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# LLVM: CGProfile [
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# LLVM-NEXT: CGProfileEntry {
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# LLVM-NEXT: From: foo (1)
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# LLVM-NEXT: To: bar (2)
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# LLVM-NEXT: Weight: 89
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# LLVM-NEXT: }
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# LLVM-NEXT: CGProfileEntry {
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# LLVM-NEXT: From: bar (2)
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# LLVM-NEXT: To: foo (1)
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# LLVM-NEXT: Weight: 98
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# LLVM-NEXT: }
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# LLVM-NEXT: ]
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# GNU: GNUStyle::printCGProfile not implemented
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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_DYN
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Sections:
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- Name: .llvm.call-graph-profile
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Type: SHT_LLVM_CALL_GRAPH_PROFILE
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Entries:
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- From: foo
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To: bar
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Weight: 89
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- From: bar
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To: foo
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Weight: 98
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EntSize: [[ENTSIZE=<none>]]
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Symbols:
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- Name: foo
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- Name: bar
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## Check we report a warning when unable to get the content of the SHT_LLVM_CALL_GRAPH_PROFILE section.
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# RUN: yaml2obj %s -DENTSIZE=0xF -o %t2.o
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# RUN: llvm-readobj %t2.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t2.o --check-prefix=LLVM-ERR
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# RUN: llvm-readelf %t2.o --cg-profile | FileCheck %s --check-prefix=GNU
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# LLVM-ERR: CGProfile [
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# LLVM-ERR-NEXT: warning: '[[FILE]]': unable to dump the SHT_LLVM_CALL_GRAPH_PROFILE section: section [index 1] has invalid sh_entsize: expected 16, but got 15
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# LLVM-ERR-NEXT: ]
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## Check we report a warning when unable to dump a name of a symbol.
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# RUN: yaml2obj %s --docnum=2 -o %t3.o
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# RUN: llvm-readobj %t3.o --cg-profile 2>&1 | FileCheck %s -DFILE=%t3.o --check-prefix=LLVM-BROKEN-SYM
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# RUN: llvm-readelf %t3.o --cg-profile | FileCheck %s --check-prefix=GNU
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# LLVM-BROKEN-SYM: CGProfile [
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# LLVM-BROKEN-SYM-NEXT: CGProfileEntry {
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# LLVM-BROKEN-SYM-NEXT: From: A (1)
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# 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
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# LLVM-BROKEN-SYM-NEXT: To: <?> (2)
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# LLVM-BROKEN-SYM-NEXT: Weight: 10
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# LLVM-BROKEN-SYM-NEXT: }
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# LLVM-BROKEN-SYM-NEXT: CGProfileEntry {
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# LLVM-BROKEN-SYM-NEXT: From: <?> (2)
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# LLVM-BROKEN-SYM-NEXT: To: B (3)
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# LLVM-BROKEN-SYM-NEXT: Weight: 20
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# LLVM-BROKEN-SYM-NEXT: }
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# LLVM-BROKEN-SYM-NEXT: CGProfileEntry {
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# LLVM-BROKEN-SYM-NEXT: From: (0)
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# LLVM-BROKEN-SYM-NEXT: warning: '[[FILE]]': unable to read the name of symbol with index 4: unable to get symbol from section [index 3]: invalid symbol index (4)
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# LLVM-BROKEN-SYM-NEXT: To: <?> (4)
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# LLVM-BROKEN-SYM-NEXT: Weight: 20
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# LLVM-BROKEN-SYM-NEXT: }
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# LLVM-BROKEN-SYM-NEXT: ]
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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_DYN
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Sections:
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- Name: .llvm.call-graph-profile
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Type: SHT_LLVM_CALL_GRAPH_PROFILE
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Entries:
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- From: 1
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To: 2
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Weight: 10
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- From: 2
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To: 3
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Weight: 20
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- From: 0x0 ## Null symbol.
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To: 0x4 ## This index goes past the end of the symbol table.
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Weight: 20
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- Name: .strtab
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Type: SHT_STRTAB
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Content: "0041004200" ## '\0', 'A', '\0', 'B', '\0'
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Symbols:
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- StName: 1 ## 'A'
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- StName: 0xFF ## An arbitrary currupted index in the string table.
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- StName: 3 ## 'B'
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