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