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some cleanups

This commit is contained in:
georgemoralis 2023-11-21 16:54:10 +02:00
parent 4f6dc8fddb
commit b6d98d4b72
3 changed files with 216 additions and 245 deletions
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445
src/core/loader/elf.h
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@ -1,21 +1,20 @@
#pragma once #pragma once
#include <string>
#include <cinttypes> #include <cinttypes>
#include <span> #include <span>
#include <string>
#include <vector> #include <vector>
#include "common/types.h"
#include "common/fs_file.h" #include "common/fs_file.h"
#include "common/types.h"
struct self_header struct self_header {
{
static const u32 signature = 0x1D3D154Fu; static const u32 signature = 0x1D3D154Fu;
u32 magic; u32 magic;
u08 version; u08 version;
u08 mode; u08 mode;
u08 endian;// 1 is little endian u08 endian; // 1 is little endian
u08 attributes; u08 attributes;
u08 category; u08 category;
u08 program_type; u08 program_type;
@ -25,34 +24,31 @@ struct self_header
u32 file_size; u32 file_size;
u32 padding2; u32 padding2;
u16 segment_count; u16 segment_count;
u16 unknown1A; //always 0x22 u16 unknown1A; // always 0x22
u32 padding3; u32 padding3;
}; };
struct self_segment_header struct self_segment_header {
{
bool IsBlocked() const { bool IsBlocked() const {
return (flags & 0x800) != 0;//0 or 0x800 return (flags & 0x800) != 0; // 0 or 0x800
} }
u32 GetId() const { u32 GetId() const { return (flags >> 20u) & 0xFFFu; }
return (flags >> 20u) & 0xFFFu;
}
bool IsOrdered() const { bool IsOrdered() const {
return (flags & 1) != 0;//0 or 1 return (flags & 1) != 0; // 0 or 1
} }
bool IsEncrypted() const { bool IsEncrypted() const {
return (flags & 2) != 0;//0 or 2 return (flags & 2) != 0; // 0 or 2
} }
bool IsSigned() const { bool IsSigned() const {
return (flags & 4) != 0;//0 or 4 return (flags & 4) != 0; // 0 or 4
} }
bool IsCompressed() const { bool IsCompressed() const {
return (flags & 8) != 0;//0 or 8 return (flags & 8) != 0; // 0 or 8
} }
u64 flags; u64 flags;
@ -61,8 +57,7 @@ struct self_segment_header
u64 memory_size; u64 memory_size;
}; };
constexpr u08 EI_MAG0 = 0; /* e_ident[] indexes */
constexpr u08 EI_MAG0 = 0;/* e_ident[] indexes */
constexpr u08 EI_MAG1 = 1; constexpr u08 EI_MAG1 = 1;
constexpr u08 EI_MAG2 = 2; constexpr u08 EI_MAG2 = 2;
constexpr u08 EI_MAG3 = 3; constexpr u08 EI_MAG3 = 3;
@ -91,149 +86,132 @@ typedef enum : u16 {
} e_type_s; } e_type_s;
typedef enum : u16 { typedef enum : u16 {
EM_NONE = 0, /* No machine */ EM_NONE = 0, /* No machine */
EM_M32 = 1, /* AT&T WE 32100 */ EM_M32 = 1, /* AT&T WE 32100 */
EM_SPARC = 2, /* SPARC */ EM_SPARC = 2, /* SPARC */
EM_386 = 3, /* Intel 80386 */ EM_386 = 3, /* Intel 80386 */
EM_68K = 4, /* Motorola 68000 */ EM_68K = 4, /* Motorola 68000 */
EM_88K = 5, /* Motorola 88000 */ EM_88K = 5, /* Motorola 88000 */
EM_860 = 7, /* Intel 80860 */ EM_860 = 7, /* Intel 80860 */
EM_MIPS = 8, /* MIPS I Architecture */ EM_MIPS = 8, /* MIPS I Architecture */
EM_S370 = 9, /* IBM System/370 Processor */ EM_S370 = 9, /* IBM System/370 Processor */
EM_MIPS_RS3_LE = 10, /* MIPS RS3000 Little-endian */ EM_MIPS_RS3_LE = 10, /* MIPS RS3000 Little-endian */
EM_PARISC = 15, /* Hewlett-Packard PA-RISC */ EM_PARISC = 15, /* Hewlett-Packard PA-RISC */
EM_VPP500 = 17, /* Fujitsu VPP500 */ EM_VPP500 = 17, /* Fujitsu VPP500 */
EM_SPARC32PLUS = 18, /* Enhanced instruction set SPARC */ EM_SPARC32PLUS = 18, /* Enhanced instruction set SPARC */
EM_960 = 19, /* Intel 80960 */ EM_960 = 19, /* Intel 80960 */
EM_PPC = 20, /* PowerPC */ EM_PPC = 20, /* PowerPC */
EM_PPC64 = 21, /* 64-bit PowerPC */ EM_PPC64 = 21, /* 64-bit PowerPC */
EM_S390 = 22, /* IBM System/390 Processor */ EM_S390 = 22, /* IBM System/390 Processor */
EM_V800 = 36, /* NEC V800 */ EM_V800 = 36, /* NEC V800 */
EM_FR20 = 37, /* Fujitsu FR20 */ EM_FR20 = 37, /* Fujitsu FR20 */
EM_RH32 = 38, /* TRW RH-32 */ EM_RH32 = 38, /* TRW RH-32 */
EM_RCE = 39, /* Motorola RCE */ EM_RCE = 39, /* Motorola RCE */
EM_ARM = 40, /* Advanced RISC Machines ARM */ EM_ARM = 40, /* Advanced RISC Machines ARM */
EM_ALPHA = 41, /* Digital Alpha */ EM_ALPHA = 41, /* Digital Alpha */
EM_SH = 42, /* Hitachi SH */ EM_SH = 42, /* Hitachi SH */
EM_SPARCV9 = 43, /* SPARC Version 9 */ EM_SPARCV9 = 43, /* SPARC Version 9 */
EM_TRICORE = 44, /* Siemens TriCore embedded processor */ EM_TRICORE = 44, /* Siemens TriCore embedded processor */
EM_ARC = 45, /* Argonaut RISC Core, Argonaut Technologies Inc. */ EM_ARC = 45, /* Argonaut RISC Core, Argonaut Technologies Inc. */
EM_H8_300 = 46, /* Hitachi H8/300 */ EM_H8_300 = 46, /* Hitachi H8/300 */
EM_H8_300H = 47, /* Hitachi H8/300H */ EM_H8_300H = 47, /* Hitachi H8/300H */
EM_H8S = 48, /* Hitachi H8S */ EM_H8S = 48, /* Hitachi H8S */
EM_H8_500 = 49, /* Hitachi H8/500 */ EM_H8_500 = 49, /* Hitachi H8/500 */
EM_IA_64 = 50, /* Intel IA-64 processor architecture */ EM_IA_64 = 50, /* Intel IA-64 processor architecture */
EM_MIPS_X = 51, /* Stanford MIPS-X */ EM_MIPS_X = 51, /* Stanford MIPS-X */
EM_COLDFIRE = 52, /* Motorola ColdFire */ EM_COLDFIRE = 52, /* Motorola ColdFire */
EM_68HC12 = 53, /* Motorola M68HC12 */ EM_68HC12 = 53, /* Motorola M68HC12 */
EM_MMA = 54, /* Fujitsu MMA Multimedia Accelerator */ EM_MMA = 54, /* Fujitsu MMA Multimedia Accelerator */
EM_PCP = 55, /* Siemens PCP */ EM_PCP = 55, /* Siemens PCP */
EM_NCPU = 56, /* Sony nCPU embedded RISC processor */ EM_NCPU = 56, /* Sony nCPU embedded RISC processor */
EM_NDR1 = 57, /* Denso NDR1 microprocessor */ EM_NDR1 = 57, /* Denso NDR1 microprocessor */
EM_STARCORE = 58, /* Motorola Star*Core processor */ EM_STARCORE = 58, /* Motorola Star*Core processor */
EM_ME16 = 59, /* Toyota ME16 processor */ EM_ME16 = 59, /* Toyota ME16 processor */
EM_ST100 = 60, /* STMicroelectronics ST100 processor */ EM_ST100 = 60, /* STMicroelectronics ST100 processor */
EM_TINYJ = 61, /* Advanced Logic Corp. TinyJ embedded processor family */ EM_TINYJ = 61, /* Advanced Logic Corp. TinyJ embedded processor family */
EM_X86_64 = 62, /* AMD x86-64 architecture (PS4) */ EM_X86_64 = 62, /* AMD x86-64 architecture (PS4) */
EM_PDSP = 63, /* Sony DSP Processor */ EM_PDSP = 63, /* Sony DSP Processor */
EM_PDP10 = 64, /* Digital Equipment Corp. PDP-10 */ EM_PDP10 = 64, /* Digital Equipment Corp. PDP-10 */
EM_PDP11 = 65, /* Digital Equipment Corp. PDP-11 */ EM_PDP11 = 65, /* Digital Equipment Corp. PDP-11 */
EM_FX66 = 66, /* Siemens FX66 microcontroller */ EM_FX66 = 66, /* Siemens FX66 microcontroller */
EM_ST9PLUS = 67, /* STMicroelectronics ST9+ 8/16 bit microcontroller */ EM_ST9PLUS = 67, /* STMicroelectronics ST9+ 8/16 bit microcontroller */
EM_ST7 = 68, /* STMicroelectronics ST7 8-bit microcontroller */ EM_ST7 = 68, /* STMicroelectronics ST7 8-bit microcontroller */
EM_68HC16 = 69, /* Motorola MC68HC16 Microcontroller */ EM_68HC16 = 69, /* Motorola MC68HC16 Microcontroller */
EM_68HC11 = 70, /* Motorola MC68HC11 Microcontroller */ EM_68HC11 = 70, /* Motorola MC68HC11 Microcontroller */
EM_68HC08 = 71, /* Motorola MC68HC08 Microcontroller */ EM_68HC08 = 71, /* Motorola MC68HC08 Microcontroller */
EM_68HC05 = 72, /* Motorola MC68HC05 Microcontroller */ EM_68HC05 = 72, /* Motorola MC68HC05 Microcontroller */
EM_SVX = 73, /* Silicon Graphics SVx */ EM_SVX = 73, /* Silicon Graphics SVx */
EM_ST19 = 75, /* Digital VAX */ EM_ST19 = 75, /* Digital VAX */
EM_CRIS = 76, /* Axis Communications 32-bit embedded processor */ EM_CRIS = 76, /* Axis Communications 32-bit embedded processor */
EM_JAVELIN = 77, /* Infineon Technologies 32-bit embedded processor */ EM_JAVELIN = 77, /* Infineon Technologies 32-bit embedded processor */
EM_FIREPATH = 78, /* Element 14 64-bit DSP Processor */ EM_FIREPATH = 78, /* Element 14 64-bit DSP Processor */
EM_ZSP = 79, /* LSI Logic 16-bit DSP Processor */ EM_ZSP = 79, /* LSI Logic 16-bit DSP Processor */
EM_MMIX = 80, /* Donald Knuth's educational 64-bit processor */ EM_MMIX = 80, /* Donald Knuth's educational 64-bit processor */
EM_HUANY = 81, /* Harvard University machine-independent object files */ EM_HUANY = 81, /* Harvard University machine-independent object files */
EM_PRISM = 82, /* SiTera Prism */ EM_PRISM = 82, /* SiTera Prism */
EM_AVR = 83, /* Atmel AVR 8-bit microcontroller */ EM_AVR = 83, /* Atmel AVR 8-bit microcontroller */
EM_FR30 = 84, /* Fujitsu FR30 */ EM_FR30 = 84, /* Fujitsu FR30 */
EM_D10V = 85, /* Mitsubishi D10V */ EM_D10V = 85, /* Mitsubishi D10V */
EM_D30V = 86, /* Mitsubishi D30V */ EM_D30V = 86, /* Mitsubishi D30V */
EM_V850 = 87, /* NEC v850 */ EM_V850 = 87, /* NEC v850 */
EM_M32R = 88, /* Mitsubishi M32R */ EM_M32R = 88, /* Mitsubishi M32R */
EM_MN10300 = 89, /* Matsushita MN10300 */ EM_MN10300 = 89, /* Matsushita MN10300 */
EM_MN10200 = 90, /* Matsushita MN10200 */ EM_MN10200 = 90, /* Matsushita MN10200 */
EM_PJ = 91, /* PicoJava */ EM_PJ = 91, /* PicoJava */
EM_OPENRISC = 92, /* OpenRISC 32-bit embedded processor */ EM_OPENRISC = 92, /* OpenRISC 32-bit embedded processor */
EM_ARC_A5 = 93, /* ARC Cores Tangent-A5 */ EM_ARC_A5 = 93, /* ARC Cores Tangent-A5 */
EM_XTENSA = 94, /* Tensilica Xtensa Architecture */ EM_XTENSA = 94, /* Tensilica Xtensa Architecture */
EM_VIDEOCORE = 95, /* Alphamosaic VideoCore processor */ EM_VIDEOCORE = 95, /* Alphamosaic VideoCore processor */
EM_TMM_GPP = 96, /* Thompson Multimedia General Purpose Processor */ EM_TMM_GPP = 96, /* Thompson Multimedia General Purpose Processor */
EM_NS32K = 97, /* National Semiconductor 32000 series */ EM_NS32K = 97, /* National Semiconductor 32000 series */
EM_TPC = 98, /* Tenor Network TPC processor */ EM_TPC = 98, /* Tenor Network TPC processor */
EM_SNP1K = 99, /* Trebia SNP 1000 processor */ EM_SNP1K = 99, /* Trebia SNP 1000 processor */
EM_ST200 = 100, /* STMicroelectronics (www.st.com) ST200 microcontroller */ EM_ST200 = 100, /* STMicroelectronics (www.st.com) ST200 microcontroller */
EM_IP2K = 101, /* Ubicom IP2xxx microcontroller family */ EM_IP2K = 101, /* Ubicom IP2xxx microcontroller family */
EM_MAX = 102, /* MAX Processor */ EM_MAX = 102, /* MAX Processor */
EM_CR = 103, /* National Semiconductor CompactRISC microprocessor */ EM_CR = 103, /* National Semiconductor CompactRISC microprocessor */
EM_F2MC16 = 104, /* Fujitsu F2MC16 */ EM_F2MC16 = 104, /* Fujitsu F2MC16 */
EM_MSP430 = 105, /* Texas Instruments embedded microcontroller msp430 */ EM_MSP430 = 105, /* Texas Instruments embedded microcontroller msp430 */
EM_BLACKFIN = 106, /* Analog Devices Blackfin (DSP) processor */ EM_BLACKFIN = 106, /* Analog Devices Blackfin (DSP) processor */
EM_SE_C33 = 107, /* S1C33 Family of Seiko Epson processors */ EM_SE_C33 = 107, /* S1C33 Family of Seiko Epson processors */
EM_SEP = 108, /* Sharp embedded microprocessor */ EM_SEP = 108, /* Sharp embedded microprocessor */
EM_ARCA = 109, /* Arca RISC Microprocessor */ EM_ARCA = 109, /* Arca RISC Microprocessor */
EM_UNICORE = 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC */ EM_UNICORE = 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC */
} e_machine_es; } e_machine_es;
typedef enum :u32 { typedef enum : u32 { EV_NONE = 0x0, EV_CURRENT = 0x1 } e_version_es;
EV_NONE = 0x0,
EV_CURRENT = 0x1 typedef enum : u08 { ELF_CLASS_NONE = 0x0, ELF_CLASS_32 = 0x1, ELF_CLASS_64 = 0x2, ELF_CLASS_NUM = 0x3 } ident_class_es;
} e_version_es;
typedef enum : u08 { ELF_DATA_NONE = 0x0, ELF_DATA_2LSB = 0x1, ELF_DATA_2MSB = 0x2, ELF_DATA_NUM = 0x3 } ident_endian_es;
typedef enum : u08 { ELF_VERSION_NONE = 0x0, ELF_VERSION_CURRENT = 0x1, ELF_VERSION_NUM = 0x2 } ident_version_es;
typedef enum : u08 { typedef enum : u08 {
ELF_CLASS_NONE =0x0, ELF_OSABI_NONE = 0x0, /* No extensions or unspecified */
ELF_CLASS_32 =0x1, ELF_OSABI_HPUX = 0x1, /* Hewlett-Packard HP-UX */
ELF_CLASS_64 =0x2, ELF_OSABI_NETBSD = 0x2, /* NetBSD */
ELF_CLASS_NUM =0x3 ELF_OSABI_LINUX = 0x3, /* Linux */
} ident_class_es;
typedef enum : u08 {
ELF_DATA_NONE = 0x0,
ELF_DATA_2LSB = 0x1,
ELF_DATA_2MSB = 0x2,
ELF_DATA_NUM = 0x3
} ident_endian_es;
typedef enum :u08 {
ELF_VERSION_NONE = 0x0,
ELF_VERSION_CURRENT = 0x1,
ELF_VERSION_NUM = 0x2
} ident_version_es;
typedef enum :u08 {
ELF_OSABI_NONE = 0x0, /* No extensions or unspecified */
ELF_OSABI_HPUX = 0x1, /* Hewlett-Packard HP-UX */
ELF_OSABI_NETBSD = 0x2, /* NetBSD */
ELF_OSABI_LINUX = 0x3, /* Linux */
ELF_OSABI_SOLARIS = 0x6, /* Sun Solaris */ ELF_OSABI_SOLARIS = 0x6, /* Sun Solaris */
ELF_OSABI_AIX = 0x7, /* AIX */ ELF_OSABI_AIX = 0x7, /* AIX */
ELF_OSABI_IRIX = 0x8, /* IRIX */ ELF_OSABI_IRIX = 0x8, /* IRIX */
ELF_OSABI_FREEBSD = 0x9, /* FreeBSD (PS4) */ ELF_OSABI_FREEBSD = 0x9, /* FreeBSD (PS4) */
ELF_OSABI_TRU64 = 0xA, /* Compaq TRU64 UNIX */ ELF_OSABI_TRU64 = 0xA, /* Compaq TRU64 UNIX */
ELF_OSABI_MODESTO = 0xB, /* Novell Modesto */ ELF_OSABI_MODESTO = 0xB, /* Novell Modesto */
ELF_OSABI_OPENBSD = 0xC, /* Open BSD */ ELF_OSABI_OPENBSD = 0xC, /* Open BSD */
ELF_OSABI_OPENVMS = 0xD, /* Open VMS */ ELF_OSABI_OPENVMS = 0xD, /* Open VMS */
ELF_OSABI_NSK = 0xE, /* Hewlett-Packard Non-Stop Kernel */ ELF_OSABI_NSK = 0xE, /* Hewlett-Packard Non-Stop Kernel */
ELF_OSABI_AROS = 0xF, /* Amiga Research OS */ ELF_OSABI_AROS = 0xF, /* Amiga Research OS */
ELF_OSABI_ARM_AEABI = 0x40, /* ARM EABI */ ELF_OSABI_ARM_AEABI = 0x40, /* ARM EABI */
ELF_OSABI_ARM = 0x61, /* ARM */ ELF_OSABI_ARM = 0x61, /* ARM */
ELF_OSABI_STANDALONE = 0xFF /* Standalone (embedded applications) */ ELF_OSABI_STANDALONE = 0xFF /* Standalone (embedded applications) */
} ident_osabi_es; } ident_osabi_es;
typedef enum :u08 { typedef enum : u08 {
ELF_ABI_VERSION_AMDGPU_HSA_V2=0x0, ELF_ABI_VERSION_AMDGPU_HSA_V2 = 0x0,
ELF_ABI_VERSION_AMDGPU_HSA_V3=0x1, ELF_ABI_VERSION_AMDGPU_HSA_V3 = 0x1,
ELF_ABI_VERSION_AMDGPU_HSA_V4=0x2, ELF_ABI_VERSION_AMDGPU_HSA_V4 = 0x2,
ELF_ABI_VERSION_AMDGPU_HSA_V5=0x3 ELF_ABI_VERSION_AMDGPU_HSA_V5 = 0x3
} ident_abiversion_es; } ident_abiversion_es;
struct elf_ident { struct elf_ident {
@ -246,8 +224,7 @@ struct elf_ident {
u08 pad[6]; u08 pad[6];
}; };
struct elf_header struct elf_header {
{
static const u32 signature = 0x7F454C46u; static const u32 signature = 0x7F454C46u;
elf_ident e_ident; /* ELF identification */ elf_ident e_ident; /* ELF identification */
@ -306,20 +283,18 @@ typedef enum : u32 {
PF_READ_WRITE_EXEC = 0x7 PF_READ_WRITE_EXEC = 0x7
} elf_program_flags; } elf_program_flags;
struct elf_program_header struct elf_program_header {
{
elf_program_type p_type; /* Type of segment */ elf_program_type p_type; /* Type of segment */
elf_program_flags p_flags; /* Segment attributes */ elf_program_flags p_flags; /* Segment attributes */
u64 p_offset; /* Offset in file */ u64 p_offset; /* Offset in file */
u64 p_vaddr; /* Virtual address in memory */ u64 p_vaddr; /* Virtual address in memory */
u64 p_paddr; /* Reserved */ u64 p_paddr; /* Reserved */
u64 p_filesz; /* Size of segment in file */ u64 p_filesz; /* Size of segment in file */
u64 p_memsz; /* Size of segment in memory */ u64 p_memsz; /* Size of segment in memory */
u64 p_align; /* Alignment of segment */ u64 p_align; /* Alignment of segment */
}; };
struct elf_section_header struct elf_section_header {
{
u32 sh_name; /* Section name */ u32 sh_name; /* Section name */
u32 sh_type; /* Section type */ u32 sh_type; /* Section type */
u64 sh_flags; /* Section attributes */ u64 sh_flags; /* Section attributes */
@ -332,7 +307,7 @@ struct elf_section_header
u64 sh_entsize; /* Size of entries, if section has table */ u64 sh_entsize; /* Size of entries, if section has table */
}; };
typedef enum :u64 { typedef enum : u64 {
PT_FAKE = 0x1, PT_FAKE = 0x1,
PT_NPDRM_EXEC = 0x4, PT_NPDRM_EXEC = 0x4,
PT_NPDRM_DYNLIB = 0x5, PT_NPDRM_DYNLIB = 0x5,
@ -343,8 +318,7 @@ typedef enum :u64 {
PT_SECURE_KERNEL = 0xF PT_SECURE_KERNEL = 0xF
} program_type_es; } program_type_es;
struct elf_program_id_header struct elf_program_id_header {
{
u64 authid; u64 authid;
program_type_es program_type; program_type_es program_type;
u64 appver; u64 appver;
@ -352,79 +326,75 @@ struct elf_program_id_header
u08 digest[32]; u08 digest[32];
}; };
constexpr s64 DT_NULL = 0; constexpr s64 DT_NULL = 0;
constexpr s64 DT_NEEDED = 0x00000001; constexpr s64 DT_NEEDED = 0x00000001;
constexpr s64 DT_RELA = 0x00000007; constexpr s64 DT_RELA = 0x00000007;
constexpr s64 DT_INIT = 0x0000000c; constexpr s64 DT_INIT = 0x0000000c;
constexpr s64 DT_FINI = 0x0000000d; constexpr s64 DT_FINI = 0x0000000d;
constexpr s64 DT_DEBUG = 0x00000015; constexpr s64 DT_DEBUG = 0x00000015;
constexpr s64 DT_TEXTREL = 0x00000016; constexpr s64 DT_TEXTREL = 0x00000016;
constexpr s64 DT_INIT_ARRAY = 0x00000019; constexpr s64 DT_INIT_ARRAY = 0x00000019;
constexpr s64 DT_FINI_ARRAY = 0x0000001a; constexpr s64 DT_FINI_ARRAY = 0x0000001a;
constexpr s64 DT_INIT_ARRAYSZ = 0x0000001b; constexpr s64 DT_INIT_ARRAYSZ = 0x0000001b;
constexpr s64 DT_FINI_ARRAYSZ = 0x0000001c; constexpr s64 DT_FINI_ARRAYSZ = 0x0000001c;
constexpr s64 DT_FLAGS = 0x0000001e; constexpr s64 DT_FLAGS = 0x0000001e;
constexpr s64 DT_PREINIT_ARRAY = 0x00000020; constexpr s64 DT_PREINIT_ARRAY = 0x00000020;
constexpr s64 DT_PREINIT_ARRAYSZ = 0x00000021; constexpr s64 DT_PREINIT_ARRAYSZ = 0x00000021;
constexpr s64 DT_SCE_FINGERPRINT = 0x61000007; constexpr s64 DT_SCE_FINGERPRINT = 0x61000007;
constexpr s64 DT_SCE_ORIGINAL_FILENAME = 0x61000009; constexpr s64 DT_SCE_ORIGINAL_FILENAME = 0x61000009;
constexpr s64 DT_SCE_MODULE_INFO = 0x6100000d; constexpr s64 DT_SCE_MODULE_INFO = 0x6100000d;
constexpr s64 DT_SCE_NEEDED_MODULE = 0x6100000f; constexpr s64 DT_SCE_NEEDED_MODULE = 0x6100000f;
constexpr s64 DT_SCE_MODULE_ATTR = 0x61000011; constexpr s64 DT_SCE_MODULE_ATTR = 0x61000011;
constexpr s64 DT_SCE_EXPORT_LIB = 0x61000013; constexpr s64 DT_SCE_EXPORT_LIB = 0x61000013;
constexpr s64 DT_SCE_IMPORT_LIB = 0x61000015; constexpr s64 DT_SCE_IMPORT_LIB = 0x61000015;
constexpr s64 DT_SCE_IMPORT_LIB_ATTR = 0x61000019; constexpr s64 DT_SCE_IMPORT_LIB_ATTR = 0x61000019;
constexpr s64 DT_SCE_HASH = 0x61000025; constexpr s64 DT_SCE_HASH = 0x61000025;
constexpr s64 DT_SCE_PLTGOT = 0x61000027; constexpr s64 DT_SCE_PLTGOT = 0x61000027;
constexpr s64 DT_SCE_JMPREL = 0x61000029; constexpr s64 DT_SCE_JMPREL = 0x61000029;
constexpr s64 DT_SCE_PLTREL = 0x6100002b; constexpr s64 DT_SCE_PLTREL = 0x6100002b;
constexpr s64 DT_SCE_PLTRELSZ = 0x6100002d; constexpr s64 DT_SCE_PLTRELSZ = 0x6100002d;
constexpr s64 DT_SCE_RELA = 0x6100002f; constexpr s64 DT_SCE_RELA = 0x6100002f;
constexpr s64 DT_SCE_RELASZ = 0x61000031; constexpr s64 DT_SCE_RELASZ = 0x61000031;
constexpr s64 DT_SCE_RELAENT = 0x61000033; constexpr s64 DT_SCE_RELAENT = 0x61000033;
constexpr s64 DT_SCE_SYMENT = 0x6100003b; constexpr s64 DT_SCE_SYMENT = 0x6100003b;
constexpr s64 DT_SCE_HASHSZ = 0x6100003d; constexpr s64 DT_SCE_HASHSZ = 0x6100003d;
constexpr s64 DT_SCE_STRTAB = 0x61000035; constexpr s64 DT_SCE_STRTAB = 0x61000035;
constexpr s64 DT_SCE_STRSZ = 0x61000037; constexpr s64 DT_SCE_STRSZ = 0x61000037;
constexpr s64 DT_SCE_SYMTAB = 0x61000039; constexpr s64 DT_SCE_SYMTAB = 0x61000039;
constexpr s64 DT_SCE_SYMTABSZ = 0x6100003f; constexpr s64 DT_SCE_SYMTABSZ = 0x6100003f;
struct elf_dynamic {
struct elf_dynamic
{
s64 d_tag; s64 d_tag;
union union {
{
u64 d_val; u64 d_val;
u64 d_ptr; u64 d_ptr;
} d_un; } d_un;
}; };
constexpr u08 STB_LOCAL = 0; constexpr u08 STB_LOCAL = 0;
constexpr u08 STB_GLOBAL = 1; constexpr u08 STB_GLOBAL = 1;
constexpr u08 STB_WEAK = 2; constexpr u08 STB_WEAK = 2;
constexpr u08 STT_NOTYPE = 0; constexpr u08 STT_NOTYPE = 0;
constexpr u08 STT_OBJECT = 1; constexpr u08 STT_OBJECT = 1;
constexpr u08 STT_FUN = 2; constexpr u08 STT_FUN = 2;
constexpr u08 STT_SECTION = 3; constexpr u08 STT_SECTION = 3;
constexpr u08 STT_FILE = 4; constexpr u08 STT_FILE = 4;
constexpr u08 STT_COMMON = 5; constexpr u08 STT_COMMON = 5;
constexpr u08 STT_TLS = 6; constexpr u08 STT_TLS = 6;
constexpr u08 STT_LOOS = 10; constexpr u08 STT_LOOS = 10;
constexpr u08 STT_SCE = 11; //module_start/module_stop constexpr u08 STT_SCE = 11; // module_start/module_stop
constexpr u08 STT_HIOS = 12; constexpr u08 STT_HIOS = 12;
constexpr u08 STT_LOPRO = 13; constexpr u08 STT_LOPRO = 13;
constexpr u08 STT_SPARC_REGISTER = 13; constexpr u08 STT_SPARC_REGISTER = 13;
constexpr u08 STT_HIPROC = 15; constexpr u08 STT_HIPROC = 15;
constexpr u08 STV_DEFAULT = 0; constexpr u08 STV_DEFAULT = 0;
constexpr u08 STV_INTERNAL = 1; constexpr u08 STV_INTERNAL = 1;
constexpr u08 STV_HIDDEN = 2; constexpr u08 STV_HIDDEN = 2;
constexpr u08 STV_PROTECTED = 3; constexpr u08 STV_PROTECTED = 3;
struct elf_symbol struct elf_symbol {
{
u08 GetBind() const { return st_info >> 4u; } u08 GetBind() const { return st_info >> 4u; }
u08 GetType() const { return st_info & 0xfu; } u08 GetType() const { return st_info & 0xfu; }
u08 GetVisibility() const { return st_other & 3u; } u08 GetVisibility() const { return st_other & 3u; }
@ -437,18 +407,19 @@ struct elf_symbol
u64 st_size; u64 st_size;
}; };
struct elf_relocation struct elf_relocation {
{
u32 GetSymbol() const { return static_cast<u32>(rel_info >> 32u); } u32 GetSymbol() const { return static_cast<u32>(rel_info >> 32u); }
u32 GetType() const { return static_cast<u32>(rel_info & 0xffffffff); } u32 GetType() const { return static_cast<u32>(rel_info & 0xffffffff); }
u64 rel_offset; u64 rel_offset;
u64 rel_info; u64 rel_info;
s64 rel_addend; s64 rel_addend;
}; };
constexpr u32 R_X86_64_64 = 1; // Direct 64 bit constexpr u32 R_X86_64_64 = 1; // Direct 64 bit
constexpr u32 R_X86_64_JUMP_SLOT = 7; // Create PLT entry constexpr u32 R_X86_64_GLOB_DAT = 6;
constexpr u32 R_X86_64_RELATIVE = 8; // Adjust by program base constexpr u32 R_X86_64_JUMP_SLOT = 7; // Create PLT entry
constexpr u32 R_X86_64_RELATIVE = 8; // Adjust by program base
constexpr u32 R_X86_64_DTPMOD64 = 16;
namespace Core::Loader { namespace Core::Loader {
@ -457,30 +428,20 @@ class Elf {
Elf() = default; Elf() = default;
virtual ~Elf(); virtual ~Elf();
void Open(const std::string & file_name); void Open(const std::string& file_name);
bool isSelfFile() const; bool isSelfFile() const;
bool isElfFile() const; bool isElfFile() const;
void DebugDump(); void DebugDump();
[[nodiscard]] self_header GetSElfHeader() const { [[nodiscard]] self_header GetSElfHeader() const { return m_self; }
return m_self;
}
[[nodiscard]] elf_header GetElfHeader() const { [[nodiscard]] elf_header GetElfHeader() const { return m_elf_header; }
return m_elf_header;
}
[[nodiscard]] std::span<const elf_program_header> GetProgramHeader() const { [[nodiscard]] std::span<const elf_program_header> GetProgramHeader() const { return m_elf_phdr; }
return m_elf_phdr;
}
[[nodiscard]] std::span<const self_segment_header> GetSegmentHeader() const { [[nodiscard]] std::span<const self_segment_header> GetSegmentHeader() const { return m_self_segments; }
return m_self_segments;
}
[[nodiscard]] u64 GetElfEntry() const { [[nodiscard]] u64 GetElfEntry() const { return m_elf_header.e_entry; }
return m_elf_header.e_entry;
}
std::string SElfHeaderStr(); std::string SElfHeaderStr();
std::string SELFSegHeader(u16 no); std::string SELFSegHeader(u16 no);
@ -505,4 +466,4 @@ class Elf {
elf_program_id_header m_self_id_header{}; elf_program_id_header m_self_id_header{};
}; };
} // namespace Core::Loader } // namespace Core::Loader

6
src/core/virtual_memory.cpp
View File

@ -1,6 +1,7 @@
#include "common/log.h"
#include "core/virtual_memory.h" #include "core/virtual_memory.h"
#include "common/log.h"
#ifdef _WIN64 #ifdef _WIN64
#include <windows.h> #include <windows.h>
#else #else
@ -107,8 +108,7 @@ bool memory_patch(u64 vaddr, u64 value) {
memory_protect(vaddr, 8, old_mode, nullptr); memory_protect(vaddr, 8, old_mode, nullptr);
// if mode is executable flush it so insure that cpu finds it // if mode is executable flush it so insure that cpu finds it
if ((old_mode == MemoryMode::Execute || old_mode == MemoryMode::ExecuteRead || old_mode == MemoryMode::ExecuteWrite || if (containsExecuteMode(old_mode)) {
old_mode == MemoryMode::ExecuteReadWrite)) {
memory_flush(vaddr, 8); memory_flush(vaddr, 8);
} }

10
src/core/virtual_memory.h
View File

@ -25,4 +25,14 @@ bool memory_protect(u64 address, u64 size, MemoryMode mode, MemoryMode* old_mode
bool memory_flush(u64 address, u64 size); bool memory_flush(u64 address, u64 size);
bool memory_patch(u64 vaddr, u64 value); bool memory_patch(u64 vaddr, u64 value);
inline bool containsExecuteMode(MemoryMode mode) {
switch (mode) {
case MemoryMode::Execute: return true;
case MemoryMode::ExecuteRead: return true;
case MemoryMode::ExecuteWrite: return true;
case MemoryMode::ExecuteReadWrite: return true;
default: return false;
}
}
} // namespace VirtualMemory } // namespace VirtualMemory