llvm/test/Object/bigarchive-malformed-global-symbol-table

## Test malformed global symbal table of big archive.

# RUN: rm -rf %t && mkdir %t && cd %t
# RUN: yaml2obj -DFLAG=0x1DF %s -o t32.o
# RUN: yaml2obj -DFLAG=0x1F7 %s -o t64.o
# RUN: llvm-ar q t.a t32.o t64.o

# RUN: cp t.a t32_1.a
# RUN: cp t.a t32_2.a
# RUN: cp t.a t64_1.a
# RUN: cp t.a t64_2.a

## Truncate the file to end before the 32-bit global symbol table header ends.
# RUN: %python -c "with open('t32_1.a', 'r+b') as input: input.truncate(856)"
## Truncate the file to end before the 32-bit global symbol table ends.
# RUN: %python -c "with open('t32_2.a', 'r+b') as input: input.truncate(995)"

# RUN: not llvm-ar t t32_1.a 2>&1 | FileCheck -DFILE=t32_1.a --check-prefixes=HEADER32 %s
# RUN: not llvm-ar t t32_2.a 2>&1 | FileCheck -DFILE=t32_2.a --check-prefixes=CONTENT32 %s

# HEADER32:  error: unable to load '[[FILE]]': truncated or malformed archive (32-bit global symbol table header at offset 0x34e and size 0x72 goes past the end of file)
# CONTENT32: error: unable to load '[[FILE]]': truncated or malformed archive (32-bit global symbol table content at offset 0x3c0 and size 0x2b goes past the end of file)

## Truncate the file to end before the 64-bit global symbol table header ends.
# RUN: %python -c "with open('t64_1.a', 'r+b') as input: input.truncate(1014)"
## Truncate the file to end before the 64-bit global symbol table ends.
# RUN: %python -c "with open('t64_2.a', 'r+b') as input: input.truncate(1096)"

# RUN: not llvm-ar t t64_1.a 2>&1 | FileCheck -DFILE=t64_1.a --check-prefixes=HEADER64 %s
# RUN: not llvm-ar t t64_2.a 2>&1 | FileCheck -DFILE=t64_2.a --check-prefixes=CONTENT64 %s

# HEADER64:  error: unable to load '[[FILE]]': truncated or malformed archive (64-bit global symbol table header at offset 0x3ec and size 0x72 goes past the end of file)
# CONTENT64: error: unable to load '[[FILE]]': truncated or malformed archive (64-bit global symbol table header at offset 0x3ec and size 0x72 goes past the end of file)

--- !XCOFF
FileHeader:
  MagicNumber:       [[FLAG]]
Sections:
  - Name:            .data
    Flags:           [ STYP_DATA ]
Symbols:
  - Name:            export_protected_var_[[FLAG]]
    Section:         .data
    Type:            0x4000
    StorageClass:    C_EXT
    AuxEntries:
     - Type:                   AUX_CSECT
       SymbolAlignmentAndType: 0x09
       StorageMappingClass:    XMC_RW