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elf2cfetbl.c
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elf2cfetbl.c
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/*
**
** GSC-18128-1, "Core Flight Executive Version 6.7"
**
** Copyright (c) 2006-2019 United States Government as represented by
** the Administrator of the National Aeronautics and Space Administration.
** All Rights Reserved.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
**
**
** Purpose:
** This file implements the ELF file to Standard cFE Table file format tool
**
** Notes:
**
**
*/
/*
** Required header files.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include <ctype.h>
#include <time.h>
#include <sys/stat.h>
#include <limits.h>
#include "ELF_Structures.h"
#include "cfe_tbl_filedef.h"
#define MAX_SECTION_HDR_NAME_LEN (128)
#define TBL_DEF_SYMBOL_NAME "CFE_TBL_FileDef"
#define SUCCESS (0)
#define FAILED (1)
/* macro to construct 32 bit value from 4 chars */
#define U32FROM4CHARS( _C1, _C2, _C3, _C4 ) \
( (uint32)(_C1) << 24 | \
(uint32)(_C2) << 16 | \
(uint32)(_C3) << 8 | \
(uint32)(_C4) )
typedef struct
{
int32 Value;
char String[50];
} ElfStrMap;
/**
* Function Prototypes
*/
int32 ProcessCmdLineOptions(int argc, char *argv[]);
int32 GetSrcFilename(void);
int32 GetDstFilename(void);
int32 OpenSrcFile(void);
int32 OpenDstFile(void);
int32 GetElfHeader(void);
void SwapElfHeader(void);
int32 GetSectionHeader(int32 SectionIndex, union Elf_Shdr *SectionHeader);
void SwapSectionHeader(union Elf_Shdr *SectionHeader);
int32 GetSymbol(int32 SymbolIndex, union Elf_Sym *Symbol);
void SwapSymbol(union Elf_Sym *Symbol);
int32 GetStringFromMap(char *Result, ElfStrMap *Map, int32 Key);
void SwapUInt16(uint16 *ValueToSwap);
void SwapUInt32(uint32 *ValueToSwap);
void SwapUInt64(uint64 *ValueToSwap);
int32 AllocateSectionHeaders(void);
void DeallocateSectionHeaders(void);
int32 AllocateSymbols(void);
void DeallocateSymbols(void);
void FreeMemoryAllocations(void);
int32 GetTblDefInfo(void);
int32 OutputDataToTargetFile(void);
void OutputVersionInfo(void);
void OutputHelpInfo(void);
int32 LocateAndReadUserObject(void);
void PrintSymbol32(union Elf_Sym *Symbol);
void PrintSymbol64(union Elf_Sym *Symbol);
void PrintSectionHeader32(union Elf_Shdr *SectionHeader);
void PrintSectionHeader64(union Elf_Shdr *SectionHeader);
void PrintElfHeader32(union Elf_Ehdr ElfHeader);
void PrintElfHeader64(union Elf_Ehdr ElfHeader);
/**
* Global Variables
*/
char SrcFilename[PATH_MAX]={""};
char DstFilename[PATH_MAX]={""};
char TableName[38]={""};
char Description[32]={""};
char LineOfText[300]={""};
bool Verbose=false;
bool ReportVersion=false;
bool OutputHelp=false;
bool ByteSwapRequired=false;
bool ScIDSpecified=false;
bool ProcIDSpecified=false;
bool AppIDSpecified=false;
bool ScEpochSpecified=false;
bool FileEpochSpecified=false;
bool TableNameOverride=false;
bool DescriptionOverride=false;
bool ThisMachineIsLittleEndian=true;
bool TargetMachineIsLittleEndian=true;
bool EnableTimeTagInHeader=false;
bool TargetWordsizeIs32Bit=true;
bool TableDataIsAllZeros=false;
FILE *SrcFileDesc = NULL;
FILE *DstFileDesc = NULL;
CFE_FS_Header_t FileHeader;
CFE_TBL_File_Hdr_t TableHeader;
union Elf_Ehdr ElfHeader;
union Elf_Shdr **SectionHeaderPtrs = NULL;
union Elf_Shdr SectionHeaderStringTable = {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }};
int64 SectionHeaderStringTableDataOffset = 0;
char **SectionNamePtrs = NULL;
struct stat SrcFileStats;
uint64_t StringTableDataOffset = 0;
int32 SymbolTableDataOffset = 0;
uint64_t NumSymbols = 0;
uint64_t SymbolTableEntrySize = 0;
union Elf_Sym **SymbolPtrs = NULL;
char **SymbolNames;
int32 TblDefSymbolIndex = -1;
CFE_TBL_FileDef_t TblFileDef;
int32 UserObjSymbolIndex = -1;
uint32 SpacecraftID=0;
uint32 ProcessorID=0;
uint32 ApplicationID=0;
time_t EpochTime=0;
typedef struct
{
uint32 Year;
uint32 Month;
uint32 Day;
uint32 Hour;
uint32 Minute;
uint32 Second;
} SpecifiedEpoch_t;
SpecifiedEpoch_t ScEpoch = {1970,1,1,0,0,0};
SpecifiedEpoch_t FileEpoch = {1970,1,1,0,0,0};
time_t EpochDelta;
time_t SrcFileTimeInScEpoch;
/**
* ELF Characteristic Maps
*/
ElfStrMap e_type_Map[] =
{
{ ET_NONE, "ET_NONE (0)" },
{ ET_REL, "ET_REL (1)" },
{ ET_EXEC, "ET_EXEC (2)" },
{ ET_DYN, "ET_DYN (3)" },
{ ET_CORE, "ET_CORE (4)" },
{ 0, "* Unknown Elf File Type (%d) *" },
};
ElfStrMap e_machine_Map[] =
{
{ EM_NONE , "EM_NONE ( 0)" },
{ EM_M32 , "EM_M32 ( 1)" },
{ EM_SPARC , "EM_SPARC ( 2)" },
{ EM_386 , "EM_386 ( 3)" },
{ EM_68K , "EM_68K ( 4)" },
{ EM_88K , "EM_88K ( 5)" },
{ EM_860 , "EM_860 ( 7)" },
{ EM_MIPS , "EM_MIPS ( 8)" },
{ EM_S370 , "EM_S370 ( 9)" },
{ EM_MIPS_RS3_LE , "EM_MIPS_RS3_LE (10)" },
{ EM_PARISC , "EM_PARISC (15)" },
{ EM_VPP500 , "EM_VPP500 (17)" },
{ EM_SPARC32PLUS , "EM_SPARC32PLUS (18)" },
{ EM_960 , "EM_960 (19)" },
{ EM_PPC , "EM_PPC (20)" },
{ EM_PPC64 , "EM_PPC64 (21)" },
{ EM_S390 , "EM_S390 (22)" },
{ EM_SPU , "EM_SPU (23)" },
{ EM_V800 , "EM_V800 (36)" },
{ EM_FR20 , "EM_FR20 (37)" },
{ EM_RH32 , "EM_RH32 (38)" },
{ EM_RCE , "EM_RCE (39)" },
{ EM_ARM , "EM_ARM (40)" },
{ EM_ALPHA , "EM_ALPHA (41)" },
{ EM_SH , "EM_SH (42)" },
{ EM_SPARCV9 , "EM_SPARCV9 (43)" },
{ EM_TRICORE , "EM_TRICORE (44)" },
{ EM_ARC , "EM_ARC (45)" },
{ EM_H8_300 , "EM_H8_300 (46)" },
{ EM_H8_300H , "EM_H8_300H (47)" },
{ EM_H8S , "EM_H8S (48)" },
{ EM_H8_500 , "EM_H8_500 (49)" },
{ EM_IA_64 , "EM_IA_64 (50)" },
{ EM_MIPS_X , "EM_MIPS_X (51)" },
{ EM_COLDFIRE , "EM_COLDFIRE (52)" },
{ EM_68HC12 , "EM_68HC12 (53)" },
{ EM_MMA , "EM_MMA (54)" },
{ EM_PCP , "EM_PCP (55)" },
{ EM_NCPU , "EM_NCPU (56)" },
{ EM_NDR1 , "EM_NDR1 (57)" },
{ EM_STARCORE , "EM_STARCORE (58)" },
{ EM_ME16 , "EM_ME16 (59)" },
{ EM_ST100 , "EM_ST100 (60)" },
{ EM_TINYJ , "EM_TINYJ (61)" },
{ EM_X86_64 , "EM_X86_64 (62)" },
{ EM_PDSP , "EM_PDSP (63)" },
{ EM_PDP10 , "EM_PDP10 (64)" },
{ EM_PDP11 , "EM_PDP11 (65)" },
{ EM_FX66 , "EM_FX66 (66)" },
{ EM_ST9PLUS , "EM_ST9PLUS (67)" },
{ EM_ST7 , "EM_ST7 (68)" },
{ EM_68HC16 , "EM_68HC16 (69)" },
{ EM_68HC11 , "EM_68HC11 (70)" },
{ EM_68HC08 , "EM_68HC08 (71)" },
{ EM_68HC05 , "EM_68HC05 (72)" },
{ EM_SVX , "EM_SVX (73)" },
{ EM_ST19 , "EM_ST19 (74)" },
{ EM_VAX , "EM_VAX (75)" },
{ EM_CRIS , "EM_CRIS (76)" },
{ EM_JAVELIN , "EM_JAVELIN (77)" },
{ EM_FIREPATH , "EM_FIREPATH (78)" },
{ EM_ZSP , "EM_ZSP (79)" },
{ EM_MMIX , "EM_MMIX (80)" },
{ EM_HUANY , "EM_HUANY (81)" },
{ EM_PRISM , "EM_PRISM (82)" },
{ EM_AVR , "EM_AVR (83)" },
{ EM_FR30 , "EM_FR30 (84)" },
{ EM_D10V , "EM_D10V (85)" },
{ EM_D30V , "EM_D30V (86)" },
{ EM_V850 , "EM_V850 (87)" },
{ EM_M32R , "EM_M32R (88)" },
{ EM_MN10300 , "EM_MN10300 (89)" },
{ EM_MN10200 , "EM_MN10200 (90)" },
{ EM_PJ , "EM_PJ (91)" },
{ EM_OPENRISC , "EM_OPENRISC (92)" },
{ EM_ARC_COMPACT , "EM_ARC_COMPACT (93)" },
{ EM_XTENSA , "EM_XTENSA (94)" },
{ EM_VIDEOCORE , "EM_VIDEOCORE (95)" },
{ EM_TMM_GPP , "EM_TMM_GPP (96)" },
{ EM_NS32K , "EM_NS32K (97)" },
{ EM_TPC , "EM_TPC (98)" },
{ EM_SNP1K , "EM_SNP1K (99)" },
{ EM_ST200 , "EM_ST200 (100)" },
{ EM_IP2K , "EM_IP2K (101)" },
{ EM_MAX , "EM_MAX (102)" },
{ EM_CR , "EM_CR (103)" },
{ EM_F2MC16 , "EM_F2MC16 (104)" },
{ EM_MSP430 , "EM_MSP430 (105)" },
{ EM_BLACKFIN , "EM_BLACKFIN (106)" },
{ EM_SE_C33 , "EM_SE_C33 (107)" },
{ EM_SEP , "EM_SEP (108)" },
{ EM_ARCA , "EM_ARCA (109)" },
{ EM_UNICORE , "EM_UNICORE (110)" },
{ EM_EXCESS , "EM_EXCESS (111)" },
{ EM_DXP , "EM_DXP (112)" },
{ EM_ALTERA_NIOS2, "EM_ALTERA_NIOS2 (113)"},
{ EM_CRX , "EM_CRX (114)" },
{ EM_XGATE , "EM_XGATE (115)" },
{ EM_C166 , "EM_C166 (116)" },
{ EM_M16C , "EM_M16C (117)" },
{ EM_DSPIC30F , "EM_DSPIC30F (118)" },
{ EM_CE , "EM_CE (119)" },
{ EM_M32C , "EM_M32C (120)" },
{ EM_TSK3000 , "EM_TSK3000 (131)" },
{ EM_RS08 , "EM_RS08 (132)" },
{ EM_SHARC , "EM_SHARC (133)" },
{ EM_ECOG2 , "EM_ECOG2 (134)" },
{ EM_SCORE7 , "EM_SCORE7 (135)" },
{ EM_DSP24 , "EM_DSP24 (136)" },
{ EM_VIDEOCORE3 , "EM_VIDEOCORE3 (137)" },
{ EM_LATTICEMICO32,"EM_LATTICEMICO32(138)"},
{ EM_SE_C17 , "EM_SE_C17 (139)" },
{ EM_TI_C6000 , "EM_TI_C6000 (140)" },
{ EM_TI_C2000 , "EM_TI_C2000 (141)" },
{ EM_TI_C5500 , "EM_TI_C5500 (142)" },
{ EM_TI_ARP32 , "EM_TI_ARP32 (143)" },
{ EM_TI_PRU , "EM_TI_PRU (144)" },
{ EM_MMDSP_PLUS , "EM_MMDSP_PLUS (160)" },
{ EM_CYPRESS_M8C , "EM_CYPRESS_M8C (161)" },
{ EM_R32C , "EM_R32C (162)" },
{ EM_TRIMEDIA , "EM_TRIMEDIA (163)" },
{ EM_QDSP6 , "EM_QDSP6 (164)" },
{ EM_8051 , "EM_8051 (165)" },
{ EM_STXP7X , "EM_STXP7X (166)" },
{ EM_NDS32 , "EM_NDS32 (167)" },
{ EM_ECOG1 , "EM_ECOG1 (168)" },
{ EM_ECOG1X , "EM_ECOG1X (168)" },
{ EM_MAXQ30 , "EM_MAXQ30 (169)" },
{ EM_XIMO16 , "EM_XIMO16 (170)" },
{ EM_MANIK , "EM_MANIK (171)" },
{ EM_RX , "EM_RX (173)" },
{ EM_METAG , "EM_METAG (174)" },
{ EM_MCST_ELBRUS , "EM_MCST_ELBRUS (175)" },
{ EM_ECOG16 , "EM_ECOG16 (176)" },
{ EM_CR16 , "EM_CR16 (177)" },
{ EM_ETPU , "EM_ETPU (178)" },
{ EM_SLE9X , "EM_SLE9X (179)" },
{ EM_L10M , "EM_L10M (180)" },
{ EM_K10M , "EM_K10M (181)" },
{ EM_AARCH64 , "EM_AARCH64 (183)" },
{ EM_AVR32 , "EM_AVR32 (185)" },
{ EM_STM8 , "EM_STM8 (186)" },
{ EM_TILE64 , "EM_TILE64 (187)" },
{ EM_TILEPRO , "EM_TILEPRO (188)" },
{ EM_MICROBLAZE , "EM_MICROBLAZE (189)" },
{ EM_CUDA , "EM_CUDA (190)" },
{ EM_TILEGX , "EM_TILEGX (191)" },
{ EM_CLOUDSHIELD , "EM_CLOUDSHIELD (192)" },
{ EM_COREA_1ST , "EM_COREA_1ST (193)" },
{ EM_COREA_2ND , "EM_COREA_2ND (194)" },
{ EM_ARC_COMPACT2, "EM_ARC_COMPACT2 (195)"},
{ EM_OPEN8 , "EM_OPEN8 (196)" },
{ EM_RL78 , "EM_RL78 (197)" },
{ EM_VIDEOCORE5 , "EM_VIDEOCORE5 (198)" },
{ EM_78KOR , "EM_78KOR (199)" },
{ EM_56800EX , "EM_56800EX (200)" },
{ EM_BA1 , "EM_BA1 (201)" },
{ EM_BA2 , "EM_BA2 (202)" },
{ EM_XCORE , "EM_XCORE (203)" },
{ EM_MCHP_PIC , "EM_MCHP_PIC (204)" },
{ EM_INTEL205 , "EM_INTEL205 (205)" },
{ EM_INTEL206 , "EM_INTEL206 (206)" },
{ EM_INTEL207 , "EM_INTEL207 (207)" },
{ EM_INTEL208 , "EM_INTEL208 (208)" },
{ EM_INTEL209 , "EM_INTEL209 (209)" },
{ EM_KM32 , "EM_KM32 (210)" },
{ EM_KMX32 , "EM_KMX32 (211)" },
{ EM_KMX16 , "EM_KMX16 (212)" },
{ EM_KMX8 , "EM_KMX8 (213)" },
{ EM_KVARC , "EM_KVARC (214)" },
{ EM_CDP , "EM_CDP (215)" },
{ EM_COGE , "EM_COGE (216)" },
{ EM_COOL , "EM_COOL (217)" },
{ EM_NORC , "EM_NORC (218)" },
{ EM_CSR_KALIMBA , "EM_CSR_KALIMBA (219)" },
{ EM_Z80 , "EM_Z80 (220)" },
{ EM_VISIUM , "EM_VISIUM (221)" },
{ EM_FT32 , "EM_FT32 (222)" },
{ EM_MOXIE , "EM_MOXIE (223)" },
{ EM_AMDGPU , "EM_AMDGPU (224)" },
{ EM_RISCV , "EM_RISCV (243)" },
{ 0 , "* Unknown Machine Type (%d) *" },
};
// Elf Header helper functions
uint8_t get_e_ident(const union Elf_Ehdr *ElfHeader, int index)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeader->Ehdr32.e_ident[index];
}
else
{
return ElfHeader->Ehdr64.e_ident[index];
}
}
uint16_t get_e_type(const union Elf_Ehdr *ElfHeader)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeader->Ehdr32.e_type;
}
else
{
return ElfHeader->Ehdr64.e_type;
}
}
uint16_t get_e_machine(const union Elf_Ehdr *ElfHeader)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeader->Ehdr32.e_machine;
}
else
{
return ElfHeader->Ehdr64.e_machine;
}
}
uint32_t get_e_version(const union Elf_Ehdr *ElfHeader)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeader->Ehdr32.e_version;
}
else
{
return ElfHeader->Ehdr64.e_version;
}
}
uint16_t get_e_shstrndx(const union Elf_Ehdr *ElfHeader)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeader->Ehdr32.e_shstrndx;
}
else
{
return ElfHeader->Ehdr64.e_shstrndx;
}
}
uint16_t get_e_shnum(const union Elf_Ehdr *ElfHeader)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeader->Ehdr32.e_shnum;
}
else
{
return ElfHeader->Ehdr64.e_shnum;
}
}
// Elf Section Header helper functions
uint32_t get_sh_name(const union Elf_Shdr *SectionHeader)
{
if (TargetWordsizeIs32Bit)
{
return SectionHeader->Shdr32.sh_name;
}
else
{
return SectionHeader->Shdr64.sh_name;
}
}
uint32_t get_sh_type(const union Elf_Shdr *SectionHeader)
{
if (TargetWordsizeIs32Bit)
{
return SectionHeader->Shdr32.sh_type;
}
else
{
return SectionHeader->Shdr64.sh_type;
}
}
void print_sh_flags(const union Elf_Shdr *SectionHeader)
{
char VerboseStr[60];
sprintf(VerboseStr, "/");
if (TargetWordsizeIs32Bit)
{
if ((SectionHeader->Shdr32.sh_flags & SHF_WRITE) == SHF_WRITE)
{
sprintf(VerboseStr, "SHF_WRITE/");
}
if ((SectionHeader->Shdr32.sh_flags & SHF_ALLOC) == SHF_ALLOC)
{
strcat(VerboseStr, "SHF_ALLOC/");
}
if ((SectionHeader->Shdr32.sh_flags & SHF_EXECINSTR) == SHF_EXECINSTR)
{
strcat(VerboseStr, "SHF_EXECINSTR/");
}
printf(" sh_flags = %s\n", VerboseStr);
}
else
{
if ((SectionHeader->Shdr64.sh_flags & SHF_WRITE) == SHF_WRITE)
{
sprintf(VerboseStr, "SHF_WRITE/");
}
if ((SectionHeader->Shdr64.sh_flags & SHF_ALLOC) == SHF_ALLOC)
{
strcat(VerboseStr, "SHF_ALLOC/");
}
if ((SectionHeader->Shdr64.sh_flags & SHF_EXECINSTR) == SHF_EXECINSTR)
{
strcat(VerboseStr, "SHF_EXECINSTR/");
}
printf(" sh_flags = %s\n", VerboseStr);
}
}
uint64_t get_sh_offset(const union Elf_Shdr *SectionHeader)
{
if (TargetWordsizeIs32Bit)
{
return SectionHeader->Shdr32.sh_offset;
}
else
{
return SectionHeader->Shdr64.sh_offset;
}
}
uint64_t get_sh_size(const union Elf_Shdr *SectionHeader)
{
if (TargetWordsizeIs32Bit)
{
return SectionHeader->Shdr32.sh_size;
}
else
{
return SectionHeader->Shdr64.sh_size;
}
}
uint64_t get_sh_entsize(const union Elf_Shdr *SectionHeader)
{
if (TargetWordsizeIs32Bit)
{
return SectionHeader->Shdr32.sh_entsize;
}
else
{
return SectionHeader->Shdr64.sh_entsize;
}
}
// Elf_Sym helper functions
uint32_t get_st_name(const union Elf_Sym *Symbol)
{
if (TargetWordsizeIs32Bit)
{
return Symbol->Sym32.st_name;
}
else
{
return Symbol->Sym64.st_name;
}
}
uint64_t get_st_value(const union Elf_Sym *Symbol)
{
if (TargetWordsizeIs32Bit)
{
return Symbol->Sym32.st_value;
}
else
{
return Symbol->Sym64.st_value;
}
}
uint64_t get_st_size(const union Elf_Sym *Symbol)
{
if (TargetWordsizeIs32Bit)
{
return Symbol->Sym32.st_size;
}
else
{
return Symbol->Sym64.st_size;
}
}
void set_st_size(union Elf_Sym *Symbol, uint64_t new_value)
{
if (TargetWordsizeIs32Bit)
{
Symbol->Sym32.st_size = (uint32_t) new_value;
if (Symbol->Sym32.st_size != new_value) {
printf("ERROR: Sym32.st_size can not hold %lu\n", new_value);
}
}
else
{
Symbol->Sym64.st_size = new_value;
}
}
uint16_t get_st_shndx(const union Elf_Sym *Symbol)
{
if (TargetWordsizeIs32Bit)
{
return Symbol->Sym32.st_shndx;
}
else
{
return Symbol->Sym64.st_shndx;
}
}
/**
*
*/
int main(int argc, char *argv[])
{
int32 Status = SUCCESS;
int32 i=0;
Status = ProcessCmdLineOptions(argc, argv);
if (Status != SUCCESS) return Status;
if (ReportVersion) OutputVersionInfo();
Status = GetSrcFilename();
if (OutputHelp) OutputHelpInfo();
if (Status != SUCCESS) return Status;
Status = OpenSrcFile();
if (Status != SUCCESS) return Status;
Status = GetElfHeader();
if (Status != SUCCESS) return Status;
/* Get the string section header first */
Status = GetSectionHeader(get_e_shstrndx(&ElfHeader), &SectionHeaderStringTable);
if (Status != SUCCESS) return Status;
if (TargetWordsizeIs32Bit)
{
SectionHeaderStringTableDataOffset = SectionHeaderStringTable.Shdr32.sh_offset;
}
else
{
SectionHeaderStringTableDataOffset = SectionHeaderStringTable.Shdr64.sh_offset;
}
/* Allocate memory for all of the ELF object file section headers */
Status = AllocateSectionHeaders();
if (Status != SUCCESS)
{
FreeMemoryAllocations();
return Status;
}
/* Read in each section header from input file */
for (i=0; i< get_e_shnum(&ElfHeader); i++)
{
Status = GetSectionHeader(i, SectionHeaderPtrs[i]);
if (Status != SUCCESS)
{
FreeMemoryAllocations();
return Status;
}
}
/* Allocate memory for all of the symbol table entries */
Status = AllocateSymbols();
if (Status != SUCCESS)
{
FreeMemoryAllocations();
return Status;
}
/* Read in each symbol table entry */
for (i=0; i<NumSymbols; i++)
{
Status = GetSymbol(i, SymbolPtrs[i]);
if (Status != SUCCESS)
{
FreeMemoryAllocations();
return Status;
}
}
if (TblDefSymbolIndex == -1)
{
printf("Error! Unable to locate '%s' object in '%s'.\n", TBL_DEF_SYMBOL_NAME, SrcFilename);
FreeMemoryAllocations();
return Status;
}
/* Read in the definition of the table file */
Status = GetTblDefInfo();
if (Status != SUCCESS)
{
FreeMemoryAllocations();
return Status;
}
Status = GetDstFilename();
if (Status != SUCCESS) return Status;
Status = OpenDstFile();
if (Status != SUCCESS) return Status;
Status = LocateAndReadUserObject();
if (Status != SUCCESS)
{
FreeMemoryAllocations();
return Status;
}
Status = OutputDataToTargetFile();
FreeMemoryAllocations();
return SUCCESS;
}
/**
*
*/
int32 AllocateSectionHeaders(void)
{
int32 Status = SUCCESS;
int32 i=0;
if (get_e_shnum(&ElfHeader) == 0)
{
printf("Error! Failed to locate any Section Headers in '%s'!\n", SrcFilename);
Status = FAILED;
}
else
{
SectionHeaderPtrs = (union Elf_Shdr **)malloc(sizeof(union Elf_Shdr *) * get_e_shnum(&ElfHeader));
if (SectionHeaderPtrs == NULL)
{
printf("Error! Insufficient memory for number of Sections in '%s'!\n", SrcFilename);
Status = FAILED;
}
SectionNamePtrs = (char **)malloc(sizeof(char *) * get_e_shnum(&ElfHeader));
if (SectionNamePtrs == NULL)
{
printf("Error! Insufficient memory for number of Sections in '%s'!\n", SrcFilename);
Status = FAILED;
}
if (Status == SUCCESS)
{
/* Initialize all of the pointers to NULL */
for (i=0; i< get_e_shnum(&ElfHeader); i++)
{
SectionHeaderPtrs[i] = NULL;
SectionNamePtrs[i] = NULL;
}
/* Allocate memory for each header */
for (i=0; i< get_e_shnum(&ElfHeader); i++)
{
SectionHeaderPtrs[i] = (union Elf_Shdr *)malloc(sizeof(union Elf_Shdr));
if (SectionHeaderPtrs[i] == NULL)
{
printf("Error! Insufficient memory to store Section Headers\n");
Status = FAILED;
}
SectionNamePtrs[i] = (char *)malloc(MAX_SECTION_HDR_NAME_LEN);
if (SectionNamePtrs[i] == NULL)
{
printf("Error! Insufficient memory to store Section Names\n");
Status = FAILED;
}
}
}
}
return Status;
}
/**
*
*/
void DeallocateSectionHeaders(void)
{
int32 i=0;
if (SectionHeaderPtrs != NULL)
{
while ((i< get_e_shnum(&ElfHeader)) && (SectionHeaderPtrs[i] != NULL))
{
free(SectionHeaderPtrs[i]);
i++;
}
free(SectionHeaderPtrs);
}
i=0;
if (SectionNamePtrs != NULL)
{
while ((i< get_e_shnum(&ElfHeader)) && (SectionNamePtrs[i] != NULL))
{
free(SectionNamePtrs[i]);
i++;
}
free(SectionNamePtrs);
}
}
/**
*
*/
int32 AllocateSymbols(void)
{
int32 Status = SUCCESS;
int32 i=0;
if (NumSymbols == 0)
{
printf("Error! Failed to locate any Symbols in '%s'!\n", SrcFilename);
Status = FAILED;
}
else
{
SymbolPtrs = malloc(sizeof(union Elf_Sym *)*NumSymbols);
if (SymbolPtrs == NULL)
{
printf("Error! Insufficient memory for number of Symbols in '%s'!\n", SrcFilename);
Status = FAILED;
}
SymbolNames = malloc(sizeof(char *)*NumSymbols);
if (SymbolNames == NULL)
{
printf("Error! Insufficient memory for number of Symbols in '%s'!\n", SrcFilename);
Status = FAILED;
}
for (i=0; i<NumSymbols; i++)
{
SymbolPtrs[i] = NULL;
SymbolNames[i] = NULL;
}
if (Status == SUCCESS)
{
/* Allocate memory for each symbol */
for (i=0; i<NumSymbols; i++)
{
SymbolPtrs[i] = (union Elf_Sym *)malloc(sizeof(union Elf_Sym));
if (SymbolPtrs[i] == NULL)
{
printf("Error! Insufficient memory to store Symbol Headers\n");
Status = FAILED;
}
}
}
}
return Status;
}
/**
*
*/
void DeallocateSymbols(void)
{
int32 i=0;
if (SymbolPtrs != NULL)
{
while ((i<NumSymbols) && (SymbolPtrs[i] != NULL))
{
free(SymbolPtrs[i]);
if (SymbolNames[i] != NULL)
{
free(SymbolNames[i]);
}
i++;
}
free(SymbolPtrs);
}
}
/**
*
*/
void FreeMemoryAllocations(void)
{
DeallocateSymbols();
DeallocateSectionHeaders();
if (SrcFileDesc != NULL)
{
fclose(SrcFileDesc);
}
if (DstFileDesc != NULL)
{
fclose(DstFileDesc);
}
}
/**
*
*/
int32 ProcessCmdLineOptions(int ArgumentCount, char *Arguments[])
{
int32 Status = SUCCESS;
bool InputFileSpecified = false;
bool OutputFileSpecified = false;
int16 i=1;
char *EndPtr;
uint32 MaxDay;
struct tm FileEpochTm;
struct tm ScEpochTm;
time_t FileEpochInSecs;
time_t ScEpochInSecs;
while ((i<ArgumentCount) && (Status == SUCCESS))
{
if ((Arguments[i][0] == '-') && (Arguments[i][1] == 't'))
{
// Extract the Table Name Override
strncpy(TableName, &Arguments[i][2], 38);
TableNameOverride = true;
}
else if ((Arguments[i][0] == '-') && (Arguments[i][1] == 'd'))
{
// Extract the Description Override
strncpy(Description, &Arguments[i][2], 32);
DescriptionOverride = true;
}
else if ((Arguments[i][0] == '-') && (Arguments[i][1] == 's'))
{
SpacecraftID = strtoul(&Arguments[i][2], &EndPtr, 0);
if (EndPtr != &Arguments[i][2])
{
ScIDSpecified = true;
}
else
{
printf("Error!, Spacecraft ID of '%s' cannot be interpreted as an integer.\n", &Arguments[i][2]);
Status = false;
}
}
else if ((Arguments[i][0] == '-') && (Arguments[i][1] == 'S'))
{
if (strlen(&Arguments[i][2]) == 4)
{
SpacecraftID = U32FROM4CHARS(Arguments[i][2],Arguments[i][3],
Arguments[i][4],Arguments[i][5]);
ScIDSpecified = true;
}
else
{
printf("Error!, Spacecraft ID of '%s' does not have exactly 4 characters.\n", &Arguments[i][2]);
Status = false;
}
}
else if ((Arguments[i][0] == '-') && (Arguments[i][1] == 'a'))
{
ApplicationID = strtoul(&Arguments[i][2], &EndPtr, 0);
if (EndPtr != &Arguments[i][2])
{
AppIDSpecified = true;
}
else
{
printf("Error!, Application ID of '%s' cannot be interpreted as an integer.\n", &Arguments[i][2]);
Status = false;
}
}
else if ((Arguments[i][0] == '-') && (Arguments[i][1] == 'p'))
{
ProcIDSpecified = true;
ProcessorID = strtoul(&Arguments[i][2], &EndPtr, 0);
if (EndPtr != &Arguments[i][2])
{
ProcIDSpecified = true;
}
else
{
printf("Error!, Processor ID of '%s' cannot be interpreted as an integer.\n", &Arguments[i][2]);
Status = false;
}