Ghidra compiler spec Find the best guess at a calling convention model from this compiler spec given an ordered list of (potential) parameters. slaspec files will be the bulk of the required additions or modifications. imageBase - The desired image base address for the load. 50. In particular, users can now define their own: In particular, users can now define their own: Jan 2, 2024 · The Ghidra developers consider the following strings (bytes) as part of their heuristics for Rust code in memory: “RUST_BACKTRACE” - used in Rust for capturing runtime exceptions on the stack “/rustc/” - paths related to the Rust Compiler (rustc) Methods inherited from class ghidra. public interface CompilerSpecDescription Mar 26, 2021 · Ghidra uses . Complete source code for Ghidra along with build instructions have been added to the repository. h> void foo() { int ****a = mal Jun 17, 2020 · The name attribute can be used to identify the callfixup within the Ghidra CodeBrowser and manually force certain functions to be replaced. Get the evaluation model matching the given type. o files directly. Fixed issue where the graph in the satellite view is sometimes truncated. sh lib/provider-name this will read the lib/provider-name-headless. Apr 14, 2022 · Describe the bug wrong FuncCallSpec of printf for some file compiled with clang-10 To Reproduce Steps to reproduce the behavior: compile the following file with clang-10 #include <stdio. 9. sleigh. cspec file is pretty well 5 documented in the Compiler Specification:. Dec 12, 2020 · Environment information Operating System: Debian GNU/Linux 10 (buster) Cutter version: Version 1. usage: ghidrecomp [-h] [--cppexport] [--filter FILTERS] [--project-path PROJECT_PATH] [--gdt [GDT]] [-o OUTPUT_PATH] [-v] [--skip-cache] [--sym-file-path SYM_FILE Parameters: loader - This LoadSpec's Loader. Jan 9, 2022 · I'm kind of new to Ghidra Disassembler so kindly bear with me . If this is not needed or not known, use LoadSpec(Loader, long, boolean). IllegalArgumentException - if the compiler spec ID is null or empty. This framework includes a suite of full-featured, high-end software analysis tools that enable users to analyze compiled code on a variety of platforms including Windows, macOS, and Linux. May 21, 2021 · Ghidra 10. In a fresh git checkout of Ghidra, the SLEIGH spec files (. Object This is a self-contained interface to a single decompile process, suitable for an open-ended number of function decompilations for a single program. Returns the default compiler spec for this language, which is used when a loader cannot determine the compiler spec or for upgrades when a program had no compiler spec registered (seriously old program, like Ghidra 4. sh lib/provider-name to import this folder structure into the Ghidra project lib-fidb. sla" files themselves are created by running the compiler on a file written in the formal SLEIGH language. After the import run . cspec 15 <compiler_spec> <global> Nov 5, 2020 · Ghidra Version: [e. (GP-469 Dec 23, 2020 · The definition is incomplete but is limited by GHIDRA's current capabilities. ldef files like x86. The plugin does NOT work with the freeware version of IDA 6/7. In this paradigm, . ldef that define a processor language. NOTE: this has NOTHING to do with the compiler spec registered for a program. Think of it like this: you can use a screwdriver to hammer in a nail — and one sometimes does that, if there is no hammer around for example — but if you are being serious about nails, you should get a proper hammer. Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait Jul 28, 2022 · Ghidra’s decompiler, while not perfect, is pretty darn handy. xml. . All <prototype> tags must include the subtags, <input> and <output> , which list storage locations (registers, stack, and other varnodes) as the raw material for the prototype model to decide where parameters are stored for Jan 7, 2023 · Mmm! I've made 100's of changes to my Ghidra clone in an attempt to help with this precise issue amongst others, but they're not all committed to my own repository as I've found additional changes required to fix different aspects after fixing other things and I don't want to deviate too much from the original in case Ghidra themselves do a better fix! The sleigh::FindSpecFile function will search the paths provided by the user via the search_paths argument for a spec file with the name file_name. Object clone, finalize, getClass, notify, notifyAll, wait, wait, wait Methods inherited from class java. Object obj) Overrides: equals in class java. 0] Additional context This project may be useful to the Ghidra developers and others in the community. The CompilerSpec maintains a specific default PrototypeModel to be used for each use-case label. Save the structure. 0 Obtained from: [] Built from source [X ] Downloaded release from Cutter website or GitHub Distribution repository File format: AppImage Loading language 'x86:LE:64:default' - Uncaught Exception: ghidra. After opening the executable in Ghidra it Apr 24, 2023 · And while Ghidra is, in principal, able to analyze . hashCode public int hashCode() Overrides: hashCode in class java. Only for Ghidra 10. Ghidra is a software reverse engineering (SRE) framework - NationalSecurityAgency/ghidra. GhidraDec: Ghidra decompiler plugin for Hex-Rays IDA (Interactive DisAssembler) Pro. The compiler spec returned is intended for upgrade use only prior to the setLanguage and may be based upon compiler conventions specified in the new compiler spec returned by getNewCompilerSpec given the same compilerSpecID. Typically the . IllegalArgumentException - if the language or compiler ID strings are null or empty. Object; equals public boolean equals (java. The layout and purpose of the . plugin. Ghidra is a software reverse engineering (SRE) framework - NationalSecurityAgency/ghidra The compiler specification is a required part of a Ghidra language module for supporting disassembly and analysis of a particular processor. The compiler specification is a required part of a Ghidra language module for supporting disassembly and analysis of a particular processor. This will compile all slaspec files to . x versions. The name attribute of the <callfixup> tag and any optional <target> subtags identify function names which will automatically be replaced. Ghidra is a software reverse engineering (SRE) framework - NationalSecurityAgency/ghidra Methods inherited from class org. antlr. Jun 17, 2020 · The compiler specification. LE:64:AppleSilicon INFO:root:Compiler Spec ID: default INFO:root (You can also a . BasicCompilerSpecDescription equals, getCompilerSpecID, getCompilerSpecName, hashCode, toString; Methods Ghidra is a software reverse engineering (SRE) framework - NationalSecurityAgency/ghidra May 12, 2022 · Generally, the . sinc or . Jan 2, 2024 · The Ghidra developers consider the following strings (bytes) as part of their heuristics for Rust code in memory: “RUST_BACKTRACE” - used in Rust for capturing runtime exceptions on the stack “/rustc/” - paths related to the Rust Compiler (rustc) Jun 5, 2022 · Indeed in some C++ binaries that I'm reversing the __thiscall erroneously set the first argument as a pointer to the class instance but in reality should use the second parameter for that and uses the first for the return value. compiler_spec is where you specify compiler information Describe the bug If a a Ghidra fork with an extended compiler spec was used and the binary is opened or an attempt to change the language is made a Compiler Spec not found for 'AARCH64:LE:64:v8A/ob Jul 3, 2019 · Describe the bug Under PowerPC VLE instruction set, the e_rlwinm instruction results in incorrect pcode which results in wrong output in the decompiler. Compiler Specification - mep_c4. Get the preferred data space used by loaders for data sections. To do this, we can follow these steps: Open the program in Ghidra and go to the Data Type Manager: Create a new structure and name it: Add fields to the structure and set their data types and offsets. These files traditionally have the suffix ". SAXException - is there are XML format errors XmlParseException - if the XML document is badly formed SleighException - if internal p-code does not parse; testExtensionDocument Usage: pdg # Native Ghidra decompiler plugin | pdg # Decompile current function with the Ghidra decompiler | pdg* # Decompiled code is returned to r2 as comment | pdga # Side by side two column disasm and decompilation | pdgd # Dump the debug XML Dump | pdgj # Dump the current decompiled function as JSON | pdgo # Decompile current function side Setting Up Structures in Ghidra. The loading will fail in SleighArchitecture::buildSpecFile when trying to find the slafile. model. sax. io. ldef file which is inherently part of the Ghidra core, but also without adding a new processor (with a new . Jun 5, 2022 · Indeed in some C++ binaries that I'm reversing the __thiscall erroneously set the first argument as a pointer to the class instance but in reality should use the second parameter for that and uses the first for the return value. x, as Ghidra 9. /03-ghidra-import. GitHub Repository Parameters: processor - the language's processor endian - the processor's endianness size - the size of an address variant - the processor variant compilerSpecID - the compiler spec id ghidra. How can I add a new CompilerSpec via a . DecompInterface public class DecompInterface extends java. when trying to assign the file to the new Ghidra… Nov 26, 2024 · Ghidra is described as 'Software reverse engineering (SRE) framework created and maintained by the National Security Agency Research Directorate. cspec to define compiler related information, which are imported in the . " This file defines pointer size, which memory block (defined in . Then run . A SLEIGH specification formally describes the translation from the bit encoding of machine instructions, for a particular processor, to human-readable assembly language and into p-code, Ghidra's internal representation (IR) of code. decompiler. ldef file)? Ghidra is one of many open source software (OSS) projects developed within the National Security Agency. x has been due to some protocol changes. Please read the updated CONTRIBUTING guide to find out more about how you can join the community. Dec 19, 2019 · An interesting tidbit about how Ghidra does decompilation: since the main Ghidra application is a Swing applet written in Java, and the decompiler itself is written in C++, Ghidra starts up a separate process for the decompiler, and then talks to it using XMLRPC. slaspec) are not compiled into the required . TreeParser getAncestor, getCurrentInputSymbol, getMissingSymbol, getSourceName, getTreeNodeStream, inContext I am very new to Ghidra, I have just installed it in order to try and decompile an ELF file. Throws: java. Within Ghidra, the SLEIGH specification allows the decoding of machine instructions for a particular processor, like Intel x86, but Mar 22, 2023 · When using the gcc compiler spec for programs compiled with mingw-w64 (may be the wrong name), the calling convention for thiscall is incorrect. Ghidra is a software reverse engineering (SRE) framework - NationalSecurityAgency/ghidra May 27, 2021 · a Ghidra language module for supporting disassembly and analysis of a particular processor. the new name, because the compiler specs for a given language. String toString compilerSpecID - The compiler spec ID string (gcc, borlandcpp, etc). Jun 24, 2019 · Same issue as @meromwolff ghidra 9. /sleigh_opt -a . Ghidra Snippets is a collection of Python examples showing how to work with Ghidra APIs. Methods inherited from class java. Here's what I did to fix: Methods inherited from class java. sinc includes architectural definitions, pattern matching with display components (tokenizing and matching mnemonics to bit patterns), and semantics sections to ensure the instructions behave as the processor spec intends. Ghidra’s user interface, however, leaves a lot to be desired. LanguageCompilerSpecPair public LanguageCompilerSpecPair (LanguageID languageID, CompilerSpecID compilerSpecID) make -j8 sleigh_opt . 2_PUBLIC\Ghidra\Processors\x86\data\languages\x86-64. /specs # (AKA Ghidra/Processors/) This can take a while depending on your machine so make a cuppa joe. Get a compiler spec suitable for use with the old language. Jun 17, 2020 · The compiler specification is a required part of a Ghidra language module for supporting disassembly and analysis of a particular processor. (GP-512, Issue #2547) Graphing. x. 1 or earlier). app. 12. slaspec" For those who want to design such a specification for a new processor, please refer to the document, "SLEIGH: A Language for Rapid Processor Specification. 0 adds support for user-defined extensions to the compiler specification assigned to a specific Program. txt from it. If analysis needs to apply a PrototypeModel to a function but a specific model is not known, then this method can be used to select a putative PrototypeModel based on the analysis use-case: - EVAL_CURRENT indicates the model to use for the "current function" being analyzed - EVAL_CALLED indicates the model to use for a function called by the The compilers spec ID as a string. In order to get more correct results, the compiler spec can be changed to windows. Before we can use structures in Ghidra, we need to set them up. Ideally, GHIDRA needs to support multiple pointer sizes and types for a specific compiler spec, however the current GHIDRA Data Organization only supports the notion of a single pointer size and is generally assumed to refer to the default address space in many cases. Fixed the Function Graph's drag-to-select-nodes feature. sh and generate lib/provider-name-langids. There are three primary APIs covered here, the Flat Program API, the Flat Decompiler API, and everything else ("Complex API"). All Known Implementing Classes: BasicCompilerSpecDescription, SleighCompilerSpecDescription. This causes some analyzers to become unavailable. sla java. Its purpose is to encode information about a target binary which is specific to the compiler that generated that binary. tree. lang. It contains much of Microchip's so-called "legacy" runtime library code for their xc16 compiler v1. Jun 17, 2020 · Sleigh Manual: This document describes SLEIGH, Ghidra's processor specification language. 1. This framework includes a suite of full-featured, high-end software analysis tools that enable users to analyze compiled code on a variety of' and is a Decompiler in the development category. cspec - is the compiler spec the new extension is for provideDummy - if true, provide a dummy payload if necessary Returns: the extension object Throws: org. Within Ghidra, the SLEIGH specification allows the decoding of machine instructions for a particular processor, like Intel x86, but more than one compiler can produce those instructions. SleighException: File not found - language probably did not compile properly Can't read language spec C:\Program Files\ghidra_9. Labels for PrototypeModels that are used by default for various analysis/evaluation use-cases, when the true model isn't known. cspec files like x86win. I was trying to install Ghidra to analyse an executable. Edit: I figured it out with some GDB work. g. Endianess ordering of r0/r1 was incorrect. BasicCompilerSpec implements the CompilerSpec interface based on static information from a particular . FileNotFoundException: C:\Program Files\ghidra_9. The default argument for search_paths is sleigh::gDefaultSearchPaths which contains the install/build directories generated during CMake configuration and a set of common installation locations. program. sla files. Throwable addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace compiler_spec is where you specify compiler information data_organization is where you specify how memory is addressed pointer_size is the defined size of pointers for this processor Interface CompilerSpecDescription. cspec file. (GP-430) Graphing. processors. Jan 8, 2011 · The ". 2. h> #include <stdlib. log file written during 03-ghidra-import. Object; toString public java. sla files) the pointers will point to, and what register is used as the stack pointer. cspec file to Ghidra without editing the existing . It also results in Removing unreachable block warnings printed at the top of the dec Jun 17, 2020 · Other Ghidra tools refer to prototype model's by this name, and it must be unique across all models in the compiler spec. Method Summary. NET-based samples, it is not the most powerful tool. It's freely available on their website so I don't believe there should be any copyright issues. runtime. cspec file is read in once by a Language object whenever a new or opened Program indicates a particular language and compiler. /04-checklog. languageCompilerSpec - The language/compiler spec ID. 2 Corrected 8-byte return value storage specification in compiler-spec affecting longlong and double return values. Ghidra is a software reverse engineering (SRE) framework created and maintained by the National Security Agency Research Directorate. The plugin is compatible with the IDA 5/6/7. xnqylt hxhsntz rtajdia ukbul tyok rtrf uacyarm fwfqkf wrtkbd jlnghk