test/tools/llvm-readobj/ELF/dependent-libraries.test

## Check that we can use the --dependent-libraries option
## to dump SHT_LLVM_DEPENDENT_LIBRARIES sections.

## Check how we dump a file that has a single valid SHT_LLVM_DEPENDENT_LIBRARIES
## section with multiple entries.

# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj --dependent-libraries %t1 | \
# RUN:   FileCheck %s --check-prefix=LLVM --strict-whitespace --match-full-lines
# RUN: llvm-readelf --dependent-libraries %t1 | \
# RUN:   FileCheck %s --check-prefix=GNU --strict-whitespace --match-full-lines --implicit-check-not="Dependent libraries"

#      LLVM:DependentLibs [
# LLVM-NEXT:  foo
# LLVM-NEXT:  bar
# LLVM-NEXT:  foo
# LLVM-NEXT:]

#      GNU:Dependent libraries section .deplibs at offset 0x40 contains 3 entries:
# GNU-NEXT:  [     0]  foo
# GNU-NEXT:  [     4]  bar
# GNU-NEXT:  [     8]  foo

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_REL
Sections:
  - Name:      .deplibs
    Type:      SHT_LLVM_DEPENDENT_LIBRARIES
    ShType:    [[TYPE=<none>]]
    Libraries: [ foo, bar, foo ]

## Show the output when there are no dependent library sections. Check that we are
## locating dependent library sections by type. To do this we change the type to an arbitrary one.
# RUN: yaml2obj --docnum=1 -DTYPE=SHT_PROGBITS %s -o %t3
# RUN: llvm-readobj --dependent-libraries %t3 2>&1 | FileCheck %s --check-prefix=NONE
# RUN: llvm-readelf --dependent-libraries %t3 2>&1 | FileCheck %s --allow-empty --implicit-check-not={{.}}

# NONE:      DependentLibs [
# NONE-NEXT: ]

## Now, check how we dump a mix of valid, empty and invalid SHT_LLVM_DEPENDENT_LIBRARIES sections.

# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: llvm-readobj --dependent-libraries %t2 2>&1 | FileCheck %s --check-prefix=MIX-LLVM -DFILE=%t2
# RUN: llvm-readelf --dependent-libraries %t2 2>&1 | FileCheck %s --check-prefix=MIX-GNU -DFILE=%t2

# MIX-LLVM:      DependentLibs [
# MIX-LLVM-NEXT:   warning: '[[FILE]]': SHT_LLVM_DEPENDENT_LIBRARIES section at index 1 is broken: the content is not null-terminated
# MIX-LLVM-NEXT:   abc
# MIX-LLVM-NEXT:   warning: '[[FILE]]': SHT_LLVM_DEPENDENT_LIBRARIES section at index 4 is broken: section [index 4] has a sh_offset (0xffff0000) + sh_size (0x4) that is greater than the file size (0x308)
# MIX-LLVM-NEXT:   bar
# MIX-LLVM-NEXT:   xxx
# MIX-LLVM-NEXT:   baz
# MIX-LLVM-NEXT: ]

# MIX-GNU:      warning: '[[FILE]]': SHT_LLVM_DEPENDENT_LIBRARIES section at index 1 is broken: the content is not null-terminated
# MIX-GNU-NEXT: Dependent libraries section .deplibs.nonul at offset 0x40 contains 0 entries:
# MIX-GNU-EMPTY:
# MIX-GNU-NEXT: Dependent libraries section .deplibs.single at offset 0x43 contains 1 entries:
# MIX-GNU-NEXT:   [     0]  abc
# MIX-GNU-EMPTY:
# MIX-GNU-NEXT: Dependent libraries section .deplibs.empty at offset 0x47 contains 0 entries:
# MIX-GNU-EMPTY:
# MIX-GNU-NEXT: warning: '[[FILE]]': SHT_LLVM_DEPENDENT_LIBRARIES section at index 4 is broken: section [index 4] has a sh_offset (0xffff0000) + sh_size (0x4) that is greater than the file size (0x308)
# MIX-GNU-NEXT: Dependent libraries section .deplibs.broken.shoffset at offset 0xffff0000 contains 0 entries:
# MIX-GNU-EMPTY:
# MIX-GNU-NEXT: Dependent libraries section .deplibs.multiple at offset 0x4b contains 2 entries:
# MIX-GNU-NEXT:   [     0]  bar
# MIX-GNU-NEXT:   [     4]  xxx
# MIX-GNU-EMPTY:
# MIX-GNU-NEXT: warning: '[[FILE]]': unable to get the name of SHT_LLVM_DEPENDENT_LIBRARIES section with index 6: a section [index 6] has an invalid sh_name (0x10000) offset which goes past the end of the section name string table
# MIX-GNU-NEXT: Dependent libraries section <?> at offset 0x53 contains 1 entries:
# MIX-GNU-NEXT:   [     0]  baz

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_REL
Sections:
## Case 1: test we report a warning for a non-null-terminated section.
  - Name:      .deplibs.nonul
    Type:      SHT_LLVM_DEPENDENT_LIBRARIES
    Content:   "666f6f" ## 'f', 'o', 'o'
## Case 2: test we can dump an entry from a valid section that has a single entry.
  - Name:      .deplibs.single
    Type:      SHT_LLVM_DEPENDENT_LIBRARIES
    Libraries: [ abc ]
## Case 3: test we do not display warnings for an empty section.
  - Name:      .deplibs.empty
    Type:      SHT_LLVM_DEPENDENT_LIBRARIES
    Content:   ""
## Case 4: test we report a warning when the section offset is invalid.
  - Name:      .deplibs.broken.shoffset
    Type:      SHT_LLVM_DEPENDENT_LIBRARIES
    Libraries: [ yyy ]
    ShOffset:  0xffff0000
## Case 5: test we can dump all entries from a valid section that has more than one entry.
  - Name:      .deplibs.multiple
    Type:      SHT_LLVM_DEPENDENT_LIBRARIES
    Libraries: [ bar, xxx ]
## Case 6: test we report a warning in GNU mode if the section name can't be read.
  - ShName:    0x10000
    Type:      SHT_LLVM_DEPENDENT_LIBRARIES
    Libraries: [ baz ]