191 lines
13 KiB
C
191 lines
13 KiB
C
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/**************************** cmdline.h ***********************************
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* Author: Agner Fog
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* Date created: 2006-07-25
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* Last modified: 2006-07-25
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* Project: objconv
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* Module: cmdline.h
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* Description:
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* Header file for command line interpreter cmdline.cpp
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*
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* Copyright 2006-2008 GNU General Public License http://www.gnu.org/licenses
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*****************************************************************************/
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#ifndef CMDLINE_H
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#define CMDLINE_H
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/************************** Define constants ******************************/
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// Max number of response files on command line
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#define MAX_COMMAND_FILES 10
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// Constants for output file type
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#define CMDL_OUTPUT_DUMP 0x80 // No output file, just dump contents
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#define CMDL_OUTPUT_ELF FILETYPE_ELF // ELF file
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#define CMDL_OUTPUT_PE FILETYPE_COFF // MS-COFF/PE file
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#define CMDL_OUTPUT_OMF FILETYPE_OMF // OMF file
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#define CMDL_OUTPUT_MACHO FILETYPE_MACHO_LE // Mach-O file, little endian
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#define CMDL_OUTPUT_MASM FILETYPE_ASM // Disassembly
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// Constants for subtypes
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#define SUBTYPE_MASM 0 // Disassembly MASM/TASM
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#define SUBTYPE_YASM 1 // Disassembly NASM/YASM
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#define SUBTYPE_GASM 2 // Disassembly GAS(Intel)
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// Constants for verbose or silent console output
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#define CMDL_VERBOSE_NO 0 // Silent. No console output if no errors or warnings
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#define CMDL_VERBOSE_YES 1 // Output messages about file names and types
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#define CMDL_VERBOSE_DIAGNOSTICS 2 // Output more messages
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// Constants for dump options
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#define DUMP_NONE 0x0000 // Dump nothing
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#define DUMP_FILEHDR 0x0001 // Dump file header
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#define DUMP_SECTHDR 0x0002 // Dump section headers
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#define DUMP_SYMTAB 0x0010 // Dump symbol table
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#define DUMP_RELTAB 0x0020 // Dump relocation table
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#define DUMP_STRINGTB 0x0040 // Dump string table
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#define DUMP_COMMENT 0x0080 // Dump comment records
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// Constants for stripping or converting debug information from file
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#define CMDL_DEBUG_DEFAULT 0 // Remove if output is different format
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#define CMDL_DEBUG_STRIP 1 // Remove debugging information from file
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#define CMDL_DEBUG_PRESERVE 2 // Leave debugging information unchanged
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#define CMDL_DEBUG_LINNUM 4 // Convert line number information (not supported)
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#define CMDL_DEBUG_SYMBOLS 8 // Convert symbol information (not supported)
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// Constants for stripping exception handler information from file
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#define CMDL_EXCEPTION_DEFAULT 0 // Remove if output is different format
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#define CMDL_EXCEPTION_STRIP 1 // Remove exception handler information from file
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#define CMDL_EXCEPTION_PRESERVE 2 // Leave exception handler information unchanged
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// Constants for adding/removing leading underscores from symbol names
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#define CMDL_UNDERSCORE_NOCHANGE 0 // Don't add or remove underscores
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#define CMDL_UNDERSCORE_CHANGE 1 // Change underscores to default for target
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#define CMDL_UNDERSCORE_REMOVE 2 // Remove underscores from symbol names
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#define CMDL_UNDERSCORE_ADD 3 // Add underscores to symbol names
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#define CMDL_KEEP_ALIAS 0x100 // Keep old name as alias
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// Constants for replacing leading dot with underscore or vice versa in section names
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#define CMDL_SECTIONDOT_NOCHANGE 0 // Don't change section names
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#define CMDL_SECTIONDOT_CHANGE 1 // Change leading character in section names to default for target
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#define CMDL_SECTIONDOT_U2DOT 2 // Change underscore to dot in section names
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#define CMDL_SECTIONDOT_DOT2U 3 // Change dot to underscore in unknown section names
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// Constants for library options
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#define CMDL_LIBRARY_DEFAULT 0 // No option specified
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#define CMDL_LIBRARY_CONVERT 1 // Convert or modify library
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#define CMDL_LIBRARY_ADDMEMBER 2 // Add object file to library
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#define CMDL_LIBRARY_EXTRACTMEM 0x100 // Extract specified object file(s) from library
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#define CMDL_LIBRARY_EXTRACTALL 0x110 // Extract all object files from library
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// Constants for file input/output options
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#define CMDL_FILE_INPUT 1 // Input file required
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#define CMDL_FILE_IN_IF_EXISTS 2 // Read input file if it exists
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#define CMDL_FILE_OUTPUT 0x10 // Write output file required
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#define CMDL_FILE_IN_OUT_SAME 0x20 // Input and output files may have the same name
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#define MAXSYMBOLLENGTH 1024 // Maximum length of symbols for changing underscore or dot
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// Constants for symbol type as input to CCommandLineInterpreter::SymbolChange()
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#define SYMT_OTHER 0 // File name or unknown symbol type
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#define SYMT_SECTION 1 // Segment or section name
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#define SYMT_LOCAL 2 // Local symbol (not imported or exported)
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#define SYMT_PUBLIC 3 // Public or weak symbol (exported)
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#define SYMT_EXTERNAL 4 // External symbol (imported)
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#define SYMT_LIBRARYMEMBER 0x1000 // Name of library member
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// Constants for symbol change action as defined in SSymbolChange::Action
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// and output from CCommandLineInterpreter::SymbolChange()
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#define SYMA_NOCHANGE 0 // Do nothing
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#define SYMA_MAKE_WEAK 1 // Make symbol weak
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#define SYMA_MAKE_LOCAL 2 // Make symbol local
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#define SYMA_CHANGE_NAME 0x10 // Change name of symbol
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#define SYMA_CHANGE_PREFIX 0x11 // Change beginning of symbol name
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#define SYMA_CHANGE_SUFFIX 0x12 // Change end of symbol name
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#define SYMA_ALIAS 0x100 // Make alias of public symbol and keep old name, must be combined
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// with SYMA_CHANGE_NAME, SYMA_CHANGE_PREFIX or SYMA_CHANGE_SUFFIX
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#define SYMA_ADD_MEMBER 0x1001 // Add member to library
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#define SYMA_DELETE_MEMBER 0x1002 // Remove member from library
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#define SYMA_EXTRACT_MEMBER 0x1004 // Extract member from library
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// Structure for specifying desired change of a specific symbol
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struct SSymbolChange {
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char * Name1; // Symbol name to look for
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char * Name2; // Replace with this name
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int Action; // Action to take on symbol
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int Done; // Count how many times this has been done
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};
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// Class for interpreting command line
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class CCommandLineInterpreter {
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public:
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CCommandLineInterpreter(); // Default constructor
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~CCommandLineInterpreter(); // Destructor
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void ReadCommandLine(int argc, char * argv[]); // Read and interpret command line
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int SymbolChange(char const * oldname, char const ** newname, int symtype); // Check if symbol has to be changed
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int SymbolIsInList(char const * name); // Check if symbol is in SymbolList
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int SymbolBinSearch(char const * name, int nsym, int * found);
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int SymbolChangesRequested(); // Any kind of symbol change requested on command line
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void ReportStatistics(); // Report statistics about name changes etc.
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void CountDebugRemoved(); // Increment CountDebugSectionsRemoved
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void CountExceptionRemoved(); // Increment CountExceptionSectionsRemoved
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void CountSymbolsHidden(); // Increment CountUnusedSymbolsHidden
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SSymbolChange const * GetMemberToAdd(); // Get names of object files to add to library
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void CheckExtractSuccess(); // Check if library members to extract were found
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void CheckSymbolModifySuccess(); // Check if symbols to modify were found
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char * InputFile; // Input file name
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char * OutputFile; // Output file name
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int InputType; // Input file type (detected from file)
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int OutputType; // Output type (file type or dump)
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int SubType; // Subtype of output type. Assembly language dialect or library type
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int MemberType; // File type of library members
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int DesiredWordSize; // Desired word size for output file
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uint32 Verbose; // How much diagnostics to print on screen
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uint32 DumpOptions; // Options for dumping file
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uint32 DebugInfo; // Strip or convert debug info
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uint32 ExeptionInfo; // Strip or preserve exception handler info and other incompatible info
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uint32 Underscore; // Add/remove underscores in symbol names
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uint32 SegmentDot; // Change underscore/dot in beginning of segment names
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uint32 LibraryOptions; // Options for manipulating library
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uint32 LibrarySubtype; // Options for manipulating library
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uint32 FileOptions; // Options for input and output files
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uint32 ImageBase; // Specified image base
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int ShowHelp; // Help screen printed
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protected:
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int libmode; // -lib option has been encountered
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void ReadCommandItem(char *); // Read one option from command line
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void ReadCommandFile(char *); // Read commands from file
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void InterpretFileName(char *); // Interpret input or output filename from command line
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void InterpretCommandOption(char *); // Interpret one option from command line
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void InterpretOutputTypeOption(char *); // Interpret output type option from command line
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void InterpretVerboseOption(char *); // Interpret silent/verbose option from command line
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void InterpretDumpOption(char *); // Interpret dump option from command line
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void InterpretDebugInfoOption(char *); // Interpret debug info option from command line
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void InterpretExceptionInfoOption(char*); // Interpret exception handler info option from command line
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void InterpretErrorOption(char *); // Interpret error option from command line
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void InterpretSymbolNameChangeOption(char *); // Interpret various options for changing symbol names
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void InterpretLibraryOption(char *); // Interpret options for manipulating library/archive files
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void InterpretImagebaseOption(char *); // Interpret image base option
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void AddObjectToLibrary(char * filename, char * membername); // Add object file to library
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void Help(); // Print help message
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CArrayBuf<CFileBuffer> ResponseFiles; // Array of up to 10 response file buffers
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int NumBuffers; // Number of response file buffers
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int SymbolChangeEntries; // Number of entries in SymbolList, except library entries
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CMemoryBuffer SymbolList; // List of symbol names to change. Contains entries of type SSymbolChange. Kept in sorted order
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CMemoryBuffer PrefixSuffixList; // List of prefix/suffix to change. Contains entries of type SSymbolChange
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CMemoryBuffer MemberNames; // Buffer containing truncated member names
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uint32 MemberNamesAllocated; // Size of buffer in MemberNames
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uint32 CurrentSymbol; // Pointer into SymbolList
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// Statistics counters
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int CountUnderscoreConversions; // Count number of times symbol leading underscores are changed
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int CountSectionDotConversions; // Count number of times leading character is changed on section names
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int CountSymbolNameChanges; // Count number of times symbol names are changed at specific command
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int CountSymbolNameAliases; // Count number of times symbol names are aliased at specific command or underscore command
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int CountSymbolsWeakened; // Count number of times symbol names are made weak at specific command
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int CountSymbolsMadeLocal; // Count number of times symbol names are made local at specific command
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int CountUnusedSymbolsHidden; // Count number of times unused symbols are hidden
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int CountDebugSectionsRemoved; // Count number of debug sections removed
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int CountExceptionSectionsRemoved; // Count number of exception handler sections removed
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};
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extern CCommandLineInterpreter cmd; // Command line interpreter
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#endif // #ifndef CMDLINE_H
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