catto
/
shadPS4
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added DT_SCE_JMPREL,DT_SCE_PLTRELSZ,DT_SCE_PLTREL,DT_SCE_RELA,DT_SCE_RELASZ,DT_SCE_RELAENT

This commit is contained in:
georgemoralis 2023-06-09 11:37:18 +03:00
parent d995a0e286
commit dd4dddded3
3 changed files with 64 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
src/Core/PS4/Linker.cpp
View File

@ -168,22 +168,22 @@ void Linker::LoadDynamicInfo(Module* m)
{ {
switch (dyn->d_tag) switch (dyn->d_tag)
{ {
case DT_OS_HASH: case DT_SCE_HASH: //Offset of the hash table.
m->dynamic_info->hash_table = reinterpret_cast<void*>(static_cast<uint8_t*>(m->m_dynamic_data) + dyn->d_un.d_ptr); m->dynamic_info->hash_table = reinterpret_cast<void*>(static_cast<uint8_t*>(m->m_dynamic_data) + dyn->d_un.d_ptr);
break; break;
case DT_OS_HASHSZ: case DT_SCE_HASHSZ: //Size of the hash table
m->dynamic_info->hash_table_size = dyn->d_un.d_val; m->dynamic_info->hash_table_size = dyn->d_un.d_val;
break; break;
case DT_OS_STRTAB: case DT_SCE_STRTAB://Offset of the string table.
m->dynamic_info->str_table = reinterpret_cast<char*>(static_cast<uint8_t*>(m->m_dynamic_data) + dyn->d_un.d_ptr); m->dynamic_info->str_table = reinterpret_cast<char*>(static_cast<uint8_t*>(m->m_dynamic_data) + dyn->d_un.d_ptr);
break; break;
case DT_OS_STRSZ: case DT_SCE_STRSZ: //Size of the string table.
m->dynamic_info->str_table_size = dyn->d_un.d_val; m->dynamic_info->str_table_size = dyn->d_un.d_val;
break; break;
case DT_OS_SYMTAB: case DT_SCE_SYMTAB://Offset of the symbol table.
m->dynamic_info->symbol_table = reinterpret_cast<elf_symbol*>(static_cast<uint8_t*>(m->m_dynamic_data) + dyn->d_un.d_ptr); m->dynamic_info->symbol_table = reinterpret_cast<elf_symbol*>(static_cast<uint8_t*>(m->m_dynamic_data) + dyn->d_un.d_ptr);
break; break;
case DT_OS_SYMTABSZ: case DT_SCE_SYMTABSZ://Size of the symbol table.
m->dynamic_info->symbol_table_total_size = dyn->d_un.d_val; m->dynamic_info->symbol_table_total_size = dyn->d_un.d_val;
break; break;
case DT_INIT: case DT_INIT:
@ -192,9 +192,35 @@ void Linker::LoadDynamicInfo(Module* m)
case DT_FINI: case DT_FINI:
m->dynamic_info->fini_virtual_addr = dyn->d_un.d_ptr; m->dynamic_info->fini_virtual_addr = dyn->d_un.d_ptr;
break; break;
case DT_OS_PLTGOT: case DT_SCE_PLTGOT: //Offset of the global offset table.
m->dynamic_info->pltgot_virtual_addr = dyn->d_un.d_ptr; m->dynamic_info->pltgot_virtual_addr = dyn->d_un.d_ptr;
break; break;
case DT_SCE_JMPREL: //Offset of the table containing jump slots.
m->dynamic_info->jmp_relocation_table = reinterpret_cast<elf_relocation*>(static_cast<uint8_t*>(m->m_dynamic_data) + dyn->d_un.d_ptr);
break;
case DT_SCE_PLTRELSZ: //Size of the global offset table.
m->dynamic_info->jmp_relocation_table_size = dyn->d_un.d_val;
break;
case DT_SCE_PLTREL: //The type of relocations in the relocation table. Should be DT_RELA
m->dynamic_info->jmp_relocation_type = dyn->d_un.d_val;
if (m->dynamic_info->jmp_relocation_type != DT_RELA)
{
LOG_WARN_IF(debug_loader, "DT_SCE_PLTREL is NOT DT_RELA should check!");
}
break;
case DT_SCE_RELA: //Offset of the relocation table.
m->dynamic_info->relocation_table = reinterpret_cast<elf_relocation*>(static_cast<uint8_t*>(m->m_dynamic_data) + dyn->d_un.d_ptr);
break;
case DT_SCE_RELASZ: //Size of the relocation table.
m->dynamic_info->relocation_table_size = dyn->d_un.d_val;
break;
case DT_SCE_RELAENT : //The size of relocation table entries.
m->dynamic_info->relocation_table_entries_size = dyn->d_un.d_val;
if (m->dynamic_info->relocation_table_entries_size != 0x18) //this value should always be 0x18
{
LOG_WARN_IF(debug_loader, "DT_SCE_RELAENT is NOT 0x18 should check!");
}
break;
default: default:
LOG_INFO_IF(debug_loader, "unsupported dynamic tag ..........: {:#018x}\n", dyn->d_tag); LOG_INFO_IF(debug_loader, "unsupported dynamic tag ..........: {:#018x}\n", dyn->d_tag);
} }

7
src/Core/PS4/Linker.h
View File

@ -31,6 +31,13 @@ struct DynamicModuleInfo
u64 fini_virtual_addr = 0; u64 fini_virtual_addr = 0;
u64 pltgot_virtual_addr = 0; u64 pltgot_virtual_addr = 0;
elf_relocation* jmp_relocation_table = nullptr;
u64 jmp_relocation_table_size = 0;
s64 jmp_relocation_type = 0;
elf_relocation* relocation_table = nullptr;
u64 relocation_table_size = 0;
u64 relocation_table_entries_size = 0;
}; };
class Linker class Linker

28
src/Loader/Elf.h
View File

@ -325,15 +325,22 @@ struct elf_program_id_header
}; };
constexpr s64 DT_NULL = 0; constexpr s64 DT_NULL = 0;
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_OS_HASH = 0x61000025; constexpr s64 DT_SCE_HASH = 0x61000025;
constexpr s64 DT_OS_PLTGOT = 0x61000027; constexpr s64 DT_SCE_PLTGOT = 0x61000027;
constexpr s64 DT_OS_HASHSZ = 0x6100003d; constexpr s64 DT_SCE_JMPREL = 0x61000029;
constexpr s64 DT_OS_STRTAB = 0x61000035; constexpr s64 DT_SCE_PLTREL = 0x6100002b;
constexpr s64 DT_OS_STRSZ = 0x61000037; constexpr s64 DT_SCE_PLTRELSZ = 0x6100002d;
constexpr s64 DT_OS_SYMTAB = 0x61000039; constexpr s64 DT_SCE_RELA = 0x6100002f;
constexpr s64 DT_OS_SYMTABSZ = 0x6100003f; constexpr s64 DT_SCE_RELASZ = 0x61000031;
constexpr s64 DT_SCE_RELAENT = 0x61000033;
constexpr s64 DT_SCE_HASHSZ = 0x6100003d;
constexpr s64 DT_SCE_STRTAB = 0x61000035;
constexpr s64 DT_SCE_STRSZ = 0x61000037;
constexpr s64 DT_SCE_SYMTAB = 0x61000039;
constexpr s64 DT_SCE_SYMTABSZ = 0x6100003f;
struct elf_dynamic struct elf_dynamic
@ -356,6 +363,13 @@ struct elf_symbol
u64 st_size; u64 st_size;
}; };
struct elf_relocation
{
u64 rel_offset;
u64 rel_info;
s64 rel_addend;
};
class Elf class Elf
{ {
public: public: