diff options
Diffstat (limited to 'include/llvm-c/Object.h')
| -rw-r--r-- | include/llvm-c/Object.h | 163 |
1 files changed, 148 insertions, 15 deletions
diff --git a/include/llvm-c/Object.h b/include/llvm-c/Object.h index a2980e89fe3d..1e9b703a68ff 100644 --- a/include/llvm-c/Object.h +++ b/include/llvm-c/Object.h @@ -1,9 +1,9 @@ /*===-- llvm-c/Object.h - Object Lib C Iface --------------------*- C++ -*-===*/ /* */ -/* The LLVM Compiler Infrastructure */ -/* */ -/* This file is distributed under the University of Illinois Open Source */ -/* License. See LICENSE.TXT for details. */ +/* Part of the LLVM Project, under the Apache License v2.0 with LLVM */ +/* Exceptions. */ +/* See https://llvm.org/LICENSE.txt for license information. */ +/* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception */ /* */ /*===----------------------------------------------------------------------===*/ /* */ @@ -34,29 +34,140 @@ extern "C" { */ // Opaque type wrappers -typedef struct LLVMOpaqueObjectFile *LLVMObjectFileRef; typedef struct LLVMOpaqueSectionIterator *LLVMSectionIteratorRef; typedef struct LLVMOpaqueSymbolIterator *LLVMSymbolIteratorRef; typedef struct LLVMOpaqueRelocationIterator *LLVMRelocationIteratorRef; -// ObjectFile creation -LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf); -void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile); +typedef enum { + LLVMBinaryTypeArchive, /**< Archive file. */ + LLVMBinaryTypeMachOUniversalBinary, /**< Mach-O Universal Binary file. */ + LLVMBinaryTypeCOFFImportFile, /**< COFF Import file. */ + LLVMBinaryTypeIR, /**< LLVM IR. */ + LLVMBinaryTypeWinRes, /**< Windows resource (.res) file. */ + LLVMBinaryTypeCOFF, /**< COFF Object file. */ + LLVMBinaryTypeELF32L, /**< ELF 32-bit, little endian. */ + LLVMBinaryTypeELF32B, /**< ELF 32-bit, big endian. */ + LLVMBinaryTypeELF64L, /**< ELF 64-bit, little endian. */ + LLVMBinaryTypeELF64B, /**< ELF 64-bit, big endian. */ + LLVMBinaryTypeMachO32L, /**< MachO 32-bit, little endian. */ + LLVMBinaryTypeMachO32B, /**< MachO 32-bit, big endian. */ + LLVMBinaryTypeMachO64L, /**< MachO 64-bit, little endian. */ + LLVMBinaryTypeMachO64B, /**< MachO 64-bit, big endian. */ + LLVMBinaryTypeWasm, /**< Web Assembly. */ +} LLVMBinaryType; + +/** + * Create a binary file from the given memory buffer. + * + * The exact type of the binary file will be inferred automatically, and the + * appropriate implementation selected. The context may be NULL except if + * the resulting file is an LLVM IR file. + * + * The memory buffer is not consumed by this function. It is the responsibilty + * of the caller to free it with \c LLVMDisposeMemoryBuffer. + * + * If NULL is returned, the \p ErrorMessage parameter is populated with the + * error's description. It is then the caller's responsibility to free this + * message by calling \c LLVMDisposeMessage. + * + * @see llvm::object::createBinary + */ +LLVMBinaryRef LLVMCreateBinary(LLVMMemoryBufferRef MemBuf, + LLVMContextRef Context, + char **ErrorMessage); + +/** + * Dispose of a binary file. + * + * The binary file does not own its backing buffer. It is the responsibilty + * of the caller to free it with \c LLVMDisposeMemoryBuffer. + */ +void LLVMDisposeBinary(LLVMBinaryRef BR); + +/** + * Retrieves a copy of the memory buffer associated with this object file. + * + * The returned buffer is merely a shallow copy and does not own the actual + * backing buffer of the binary. Nevertheless, it is the responsibility of the + * caller to free it with \c LLVMDisposeMemoryBuffer. + * + * @see llvm::object::getMemoryBufferRef + */ +LLVMMemoryBufferRef LLVMBinaryCopyMemoryBuffer(LLVMBinaryRef BR); + +/** + * Retrieve the specific type of a binary. + * + * @see llvm::object::Binary::getType + */ +LLVMBinaryType LLVMBinaryGetType(LLVMBinaryRef BR); + +/* + * For a Mach-O universal binary file, retrieves the object file corresponding + * to the given architecture if it is present as a slice. + * + * If NULL is returned, the \p ErrorMessage parameter is populated with the + * error's description. It is then the caller's responsibility to free this + * message by calling \c LLVMDisposeMessage. + * + * It is the responsiblity of the caller to free the returned object file by + * calling \c LLVMDisposeBinary. + */ +LLVMBinaryRef LLVMMachOUniversalBinaryCopyObjectForArch(LLVMBinaryRef BR, + const char *Arch, + size_t ArchLen, + char **ErrorMessage); + +/** + * Retrieve a copy of the section iterator for this object file. + * + * If there are no sections, the result is NULL. + * + * The returned iterator is merely a shallow copy. Nevertheless, it is + * the responsibility of the caller to free it with + * \c LLVMDisposeSectionIterator. + * + * @see llvm::object::sections() + */ +LLVMSectionIteratorRef LLVMObjectFileCopySectionIterator(LLVMBinaryRef BR); + +/** + * Returns whether the given section iterator is at the end. + * + * @see llvm::object::section_end + */ +LLVMBool LLVMObjectFileIsSectionIteratorAtEnd(LLVMBinaryRef BR, + LLVMSectionIteratorRef SI); + +/** + * Retrieve a copy of the symbol iterator for this object file. + * + * If there are no symbols, the result is NULL. + * + * The returned iterator is merely a shallow copy. Nevertheless, it is + * the responsibility of the caller to free it with + * \c LLVMDisposeSymbolIterator. + * + * @see llvm::object::symbols() + */ +LLVMSymbolIteratorRef LLVMObjectFileCopySymbolIterator(LLVMBinaryRef BR); + +/** + * Returns whether the given symbol iterator is at the end. + * + * @see llvm::object::symbol_end + */ +LLVMBool LLVMObjectFileIsSymbolIteratorAtEnd(LLVMBinaryRef BR, + LLVMSymbolIteratorRef SI); -// ObjectFile Section iterators -LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef ObjectFile); void LLVMDisposeSectionIterator(LLVMSectionIteratorRef SI); -LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef ObjectFile, - LLVMSectionIteratorRef SI); + void LLVMMoveToNextSection(LLVMSectionIteratorRef SI); void LLVMMoveToContainingSection(LLVMSectionIteratorRef Sect, LLVMSymbolIteratorRef Sym); // ObjectFile Symbol iterators -LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef ObjectFile); void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI); -LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile, - LLVMSymbolIteratorRef SI); void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI); // SectionRef accessors @@ -89,6 +200,28 @@ uint64_t LLVMGetRelocationType(LLVMRelocationIteratorRef RI); const char *LLVMGetRelocationTypeName(LLVMRelocationIteratorRef RI); const char *LLVMGetRelocationValueString(LLVMRelocationIteratorRef RI); +/** Deprecated: Use LLVMBinaryRef instead. */ +typedef struct LLVMOpaqueObjectFile *LLVMObjectFileRef; + +/** Deprecated: Use LLVMCreateBinary instead. */ +LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf); + +/** Deprecated: Use LLVMDisposeBinary instead. */ +void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile); + +/** Deprecated: Use LLVMObjectFileCopySectionIterator instead. */ +LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef ObjectFile); + +/** Deprecated: Use LLVMObjectFileIsSectionIteratorAtEnd instead. */ +LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef ObjectFile, + LLVMSectionIteratorRef SI); + +/** Deprecated: Use LLVMObjectFileCopySymbolIterator instead. */ +LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef ObjectFile); + +/** Deprecated: Use LLVMObjectFileIsSymbolIteratorAtEnd instead. */ +LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile, + LLVMSymbolIteratorRef SI); /** * @} */ |