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elf2cfetbl.c
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elf2cfetbl.c
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/************************************************************************
* NASA Docket No. GSC-18,719-1, and identified as “core Flight System: Bootes”
*
* Copyright (c) 2020 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.
************************************************************************/
/**
* \file
* This file implements the ELF file to Standard cFE Table file format tool
*/
/*
** 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"
#include "elf2cfetbl_version.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 checkELFFileMagicNumber(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 ElfHeaderLcl);
void PrintElfHeader64(union Elf_Ehdr ElfHeaderLcl);
/**
* 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 *ElfHeaderLcl, int index)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeaderLcl->Ehdr32.e_ident[index];
}
else
{
return ElfHeaderLcl->Ehdr64.e_ident[index];
}
}
uint16_t get_e_type(const union Elf_Ehdr *ElfHeaderLcl)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeaderLcl->Ehdr32.e_type;
}
else
{
return ElfHeaderLcl->Ehdr64.e_type;
}
}
uint16_t get_e_machine(const union Elf_Ehdr *ElfHeaderLcl)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeaderLcl->Ehdr32.e_machine;
}
else
{
return ElfHeaderLcl->Ehdr64.e_machine;
}
}
uint32_t get_e_version(const union Elf_Ehdr *ElfHeaderLcl)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeaderLcl->Ehdr32.e_version;
}
else
{
return ElfHeaderLcl->Ehdr64.e_version;
}
}
uint16_t get_e_shstrndx(const union Elf_Ehdr *ElfHeaderLcl)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeaderLcl->Ehdr32.e_shstrndx;
}
else
{
return ElfHeaderLcl->Ehdr64.e_shstrndx;
}
}
uint16_t get_e_shnum(const union Elf_Ehdr *ElfHeaderLcl)
{
if (TargetWordsizeIs32Bit)
{
return ElfHeaderLcl->Ehdr32.e_shnum;
}
else
{
return ElfHeaderLcl->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", (long unsigned int)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;
}
}
/* Check status helper functions */
void CheckStatusAndExit(int32 status)
{
if (status != SUCCESS)
{
exit(status);
}
}
void CheckStatusCleanupAndExit(int32 status)
{
if (status != SUCCESS)
{
FreeMemoryAllocations();
exit(status);
}
}
/**
*
*/
int main(int argc, char *argv[])
{
int32 Status = SUCCESS;
int32 i = 0;
Status = ProcessCmdLineOptions(argc, argv);
CheckStatusAndExit(Status);
if (ReportVersion)
OutputVersionInfo();
if (OutputHelp)
OutputHelpInfo();
Status = GetSrcFilename();
CheckStatusAndExit(Status);
Status = OpenSrcFile();
CheckStatusAndExit(Status);
Status = GetElfHeader();
CheckStatusAndExit(Status);
/* Get the string section header first */
Status = GetSectionHeader(get_e_shstrndx(&ElfHeader), &SectionHeaderStringTable);
CheckStatusCleanupAndExit(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();
CheckStatusCleanupAndExit(Status);
/* Read in each section header from input file */
for (i = 0; i < get_e_shnum(&ElfHeader); i++)
{
Status = GetSectionHeader(i, SectionHeaderPtrs[i]);
CheckStatusCleanupAndExit(Status);
}
if (StringTableDataOffset == 0)
{
printf("Error! Unable to locate ELF string table for symbol names\n");
return EXIT_FAILURE;
}
/* Allocate memory for all of the symbol table entries */
Status = AllocateSymbols();
CheckStatusCleanupAndExit(Status);
/* Read in each symbol table entry */
for (i = 0; i < NumSymbols; i++)
{
Status = GetSymbol(i, SymbolPtrs[i]);
CheckStatusCleanupAndExit(Status);
}
if (TblDefSymbolIndex == -1)
{
printf("Error! Unable to locate '%s' object in '%s'.\n", TBL_DEF_SYMBOL_NAME, SrcFilename);
FreeMemoryAllocations();
return EXIT_FAILURE;
}
/* Read in the definition of the table file */
Status = GetTblDefInfo();
CheckStatusCleanupAndExit(Status);
Status = GetDstFilename();
CheckStatusAndExit(Status);
Status = OpenDstFile();
CheckStatusAndExit(Status);
Status = LocateAndReadUserObject();
CheckStatusCleanupAndExit(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;
int 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], sizeof(TableName) - 1);
TableName[sizeof(TableName) - 1] = 0;
TableNameOverride = true;
}
else if ((Arguments[i][0] == '-') && (Arguments[i][1] == 'd'))
{
/* Extract the Description Override */
strncpy(Description, &Arguments[i][2], sizeof(Description) - 1);
Description[sizeof(Description) - 1] = 0;
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;
}
}
else if ((Arguments[i][0] == '-') && (Arguments[i][1] == 'P'))
{
if (strlen(&Arguments[i][2]) == 4)
{
ProcessorID = U32FROM4CHARS(Arguments[i][2], Arguments[i][3], Arguments[i][4], Arguments[i][5]);
ProcIDSpecified = true;
}
else
{