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CHANGELOG.md

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2.2.1 (Unreleased)

  • Fix a bug that could cause WEAK symbols to be not exported
  • Skip binary printing interpreters when printing multiple multiple modules
  • Require gtirb >=2.2.0
  • Fix Masm pretty-printer so that ALIGN property can be added to SEGMENT when it includes any data blocks that require alignment. For .data SEGMENT, which is a predefined SEGMENT, we do not change its ALIGN property. Instead, it adjusts the ALIGN directives of any data blocks that have alignment value bigger than the SEGMENT alignment.
  • Allow symbol_minus_symbol for displacements in indirect operands (X64)

2.2.0

  • Stop generating debian metapackages and packages with the version attached to the package name. Updates in the apt-repository now support multiple package versions and upgrading gtirb-pprinter with apt-get upgrade.
  • Fix dummy-so generation to use correct syntax for ARM with --dummy-so=yes
  • Work around ml.exe bug that could result in missing exports in x86-32 PEs.
  • Generate -m32 when generating dummy-so libraries and object files for x86-32
  • Add fixup to strip _copy suffix appended by ddisasm from __x86.get_pc_thunk.* symbols.
  • Suppress __x86.get_pc_thunk.* symbols in dynamic mode.
  • Use -nodefaultlibs with the complete printing policy
  • Blacklist _GLOBAL_OFFSET_TABLE_ symbol from dummy-so libraries.
  • Explicitly link ld-linux*.so if -nodefaultlibs is enabled.
  • Support GOT, PAGE and GOT, OFST symbolic expression attributes for split .got loads on MIPS.
  • Populate non-local symbols under global: in version-script.
  • Change version scripts that only use the module's symbol version definitions (not its needed symbols).
  • Create a different version script for dummy-so dependencies using the needed symbol versions.
  • Add -Wl,-soname argument for elfSoname aux-data
  • Requires gtirb >=2.1.0
  • Remove generation for --export-dynamic, and instead, add generation for --dynamic-list in binary printer
  • For ambiguous symbols, choose one symbol to keep original symbol name.
  • For symbols with base version, only print out the connector and do not print out the base version in .symver directives.
  • Update capstone version from 4.0.1 to 5.0.1
  • Add a fixup for repz ret for MASM pprinter
  • Fix a bug where FADD or FSUBR operands could be misplaced for MASM pprinter

2.1.0

  • --asm option now prints the assembly for each module of an IR separately
  • --version-script now prints a separate version script for each module of an IR
  • --module option deprecated
  • Binaries printed from a multi-module IR are linked against other binaries from the same IR whenever possible
  • Use elfStackExec and elfStackSize auxdata to generate appropriate linker flags.
  • Requires gtirb >=2.0.0
  • Set entrypoint in ELF files to _start symbol even if the symbol is not GLOBAL. Fixes segfaults in rewritten binaries with non-global _start symbols.
  • Fix segfault if elfDynamicInit or elfDynamicFini auxdata do not refer to a CodeBlock.
  • Use function boundaries and the functionNames auxdata to print PROC and ENDP directives in PE binaries. If the functionNames auxdata is not present, no PROC and ENDP directives will be printed.
  • Use function boundaries and the functionNames auxdata to print .size directives for FUNC and GNU_IFUNC symbols in ELF binaries associated to functions. If the functionNames auxdata is not present, no .size directives for functions will be printed.
  • Print .size directives for TLS symbols in ELF binaries.
  • Deprecate the PrettyPrinterBase methods: getContainerFunctionName, getFunctionName, isFunctionEntry, and isFunctionLastBlock; and the attributes: functionEntry, and functionLastBlock.

2.0.0

  • Remove unnecessary --isa,-I option.
  • Fix bug where a binary with COPY-relocated symbols could be missing DT_NEEDED entries after rewriting with --dummy-so.
  • Removed --binaries option
  • --binary option now links each module of the IR into a separate binary
  • Added --object option to print relocatable object files
  • Binary printer methods now operate on modules, rather than the entire IR
  • --shared option now takes an argument: either yes, no, or auto (auto uses aux_data binaryType)
  • Pass -init and -fini to ld based on elfDynamicInit and elfDynamicFini auxdata.
  • Added patterns for selecting and printing modules by names

1.9.0

  • Added a Python wheel to make gtirb-pprinter pip-installable.
  • Binary printer always prints against exact library versions.
  • Do not remove endbr64 instructions.
  • Fix timing issue when running llvm-config in the PE binary printer.
  • Add explicit DS register for MASM pprinter.
  • Fixup INT1 and INT3 x64 instructions.
  • Update the default --policy behavior for dynamically linked ELF binaries from dynamic to complete.
  • ARM: Do not rely on ArchInfo auxdata.
  • ARM: Fail if a CodeBlock cannot be completely disassembled.
  • Replace symbolic expression attributes with composable labels.

1.8.6

  • Add fixup for rewriting main symbol as global.
  • Support full paths in --use-gcc option.
  • Add support for ARM pc-relative ldr instruction with register offset.
  • Add support for ARM trap instructions.
  • Emit symbol declarations for symbols attached to .plt section.
  • Add support for TLSLDM relocationss
  • Add detection for --export-dynamic in binary printer.

1.8.5

  • Remove --assembler option; printer now always behaves correctly when escaping characters.
  • Support generating ELF symbol version information in assembly output.
  • Add --version-script argument for generating ELF version scripts.
  • Removed explicit transformations to GTIRB from PrettyPrinter. Clients will now need to explicitly opt in to these transforms. gtirb-pprinter behavior is unchanged.

1.8.4

  • Fix bugs in printing shift instructions in AT&T syntax.
  • Add --use-gcc option overriding gcc executable when binary printing ELF files.
  • Fix printing symbols with a displacement of zero in ARM64 indirect operands.
  • Expand --help message by listing options for --isa, --syntax, --assembler, and --policy.
  • Fix bug resulting in skipped .data sections.
  • Ubuntu 18 and gcc 7 are no longer supported.
  • Default syntax in assembler mode changed to AT&T (i.e., att).

1.8.3

  • Rename elfSectionProperties to sectionProperties, and remove peSectionProperties.

1.8.2

  • Use .ascii directive for partial strings.

1.8.0

  • Add alternative PE assembler and linker commands.
  • Use dedicated symbolic expression attributes.
  • Add an option for assembler

1.7.0

  • Added support for MIPS and ARM32
  • Added support for MinGW for PE32+
  • Fixed bad operand size in COMISS instructions
  • Use PUBLIC entrypoint instead of EXPORT
  • Handle linking to DRV files in PE32 binaries
  • Change "isa" short option from -i to -I (-i is ir)
  • Add special KUSER_SHARED_DATA symbol
  • Handle ld-linux included as a required library
  • Fix Intel syntax for vpgatherdd

1.6.0

  • Add PE support.
  • Remove null displacement offset warning.

1.5.0

  • Add preliminary x86_32 support.

1.4.0

  • Use GTIRB symbolic expression attributes.

1.3.0

  • Add preliminary ARM64 support.