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Sources: Run clang-format on everything.

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This commit is contained in:
Emmanuel Gil Peyrot 2016-09-18 09:38:01 +09:00
parent fe948af095
commit dc8479928c
386 changed files with 19560 additions and 18080 deletions
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231
src/core/loader/elf.cpp
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@ -3,8 +3,8 @@
// Refer to the license.txt file included.
#include <cstring>
#include <string>
#include <memory>
#include <string>
#include "common/common_types.h"
#include "common/file_util.h"
@ -24,112 +24,111 @@ using Kernel::CodeSet;
// File type
enum ElfType {
ET_NONE = 0,
ET_REL = 1,
ET_EXEC = 2,
ET_DYN = 3,
ET_CORE = 4,
ET_NONE = 0,
ET_REL = 1,
ET_EXEC = 2,
ET_DYN = 3,
ET_CORE = 4,
ET_LOPROC = 0xFF00,
ET_HIPROC = 0xFFFF,
};
// Machine/Architecture
enum ElfMachine {
EM_NONE = 0,
EM_M32 = 1,
EM_NONE = 0,
EM_M32 = 1,
EM_SPARC = 2,
EM_386 = 3,
EM_68K = 4,
EM_88K = 5,
EM_860 = 7,
EM_MIPS = 8
EM_386 = 3,
EM_68K = 4,
EM_88K = 5,
EM_860 = 7,
EM_MIPS = 8
};
// File version
#define EV_NONE 0
#define EV_NONE 0
#define EV_CURRENT 1
// Identification index
#define EI_MAG0 0
#define EI_MAG1 1
#define EI_MAG2 2
#define EI_MAG3 3
#define EI_CLASS 4
#define EI_DATA 5
#define EI_MAG0 0
#define EI_MAG1 1
#define EI_MAG2 2
#define EI_MAG3 3
#define EI_CLASS 4
#define EI_DATA 5
#define EI_VERSION 6
#define EI_PAD 7
#define EI_PAD 7
#define EI_NIDENT 16
// Sections constants
// Section types
#define SHT_NULL 0
#define SHT_PROGBITS 1
#define SHT_SYMTAB 2
#define SHT_STRTAB 3
#define SHT_RELA 4
#define SHT_HASH 5
#define SHT_DYNAMIC 6
#define SHT_NOTE 7
#define SHT_NOBITS 8
#define SHT_REL 9
#define SHT_SHLIB 10
#define SHT_DYNSYM 11
#define SHT_NULL 0
#define SHT_PROGBITS 1
#define SHT_SYMTAB 2
#define SHT_STRTAB 3
#define SHT_RELA 4
#define SHT_HASH 5
#define SHT_DYNAMIC 6
#define SHT_NOTE 7
#define SHT_NOBITS 8
#define SHT_REL 9
#define SHT_SHLIB 10
#define SHT_DYNSYM 11
#define SHT_LOPROC 0x70000000
#define SHT_HIPROC 0x7FFFFFFF
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0xFFFFFFFF
// Section flags
enum ElfSectionFlags
{
SHF_WRITE = 0x1,
SHF_ALLOC = 0x2,
enum ElfSectionFlags {
SHF_WRITE = 0x1,
SHF_ALLOC = 0x2,
SHF_EXECINSTR = 0x4,
SHF_MASKPROC = 0xF0000000,
SHF_MASKPROC = 0xF0000000,
};
// Segment types
#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2
#define PT_INTERP 3
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7FFFFFFF
#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2
#define PT_INTERP 3
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7FFFFFFF
// Segment flags
#define PF_X 0x1
#define PF_W 0x2
#define PF_R 0x4
#define PF_X 0x1
#define PF_W 0x2
#define PF_R 0x4
#define PF_MASKPROC 0xF0000000
typedef unsigned int Elf32_Addr;
typedef unsigned int Elf32_Addr;
typedef unsigned short Elf32_Half;
typedef unsigned int Elf32_Off;
typedef signed int Elf32_Sword;
typedef unsigned int Elf32_Word;
typedef unsigned int Elf32_Off;
typedef signed int Elf32_Sword;
typedef unsigned int Elf32_Word;
////////////////////////////////////////////////////////////////////////////////////////////////////
// ELF file header
struct Elf32_Ehdr {
unsigned char e_ident[EI_NIDENT];
Elf32_Half e_type;
Elf32_Half e_machine;
Elf32_Word e_version;
Elf32_Addr e_entry;
Elf32_Off e_phoff;
Elf32_Off e_shoff;
Elf32_Word e_flags;
Elf32_Half e_ehsize;
Elf32_Half e_phentsize;
Elf32_Half e_phnum;
Elf32_Half e_shentsize;
Elf32_Half e_shnum;
Elf32_Half e_shstrndx;
Elf32_Half e_type;
Elf32_Half e_machine;
Elf32_Word e_version;
Elf32_Addr e_entry;
Elf32_Off e_phoff;
Elf32_Off e_shoff;
Elf32_Word e_flags;
Elf32_Half e_ehsize;
Elf32_Half e_phentsize;
Elf32_Half e_phnum;
Elf32_Half e_shentsize;
Elf32_Half e_shnum;
Elf32_Half e_shstrndx;
};
// Section header
@ -138,7 +137,7 @@ struct Elf32_Shdr {
Elf32_Word sh_type;
Elf32_Word sh_flags;
Elf32_Addr sh_addr;
Elf32_Off sh_offset;
Elf32_Off sh_offset;
Elf32_Word sh_size;
Elf32_Word sh_link;
Elf32_Word sh_info;
@ -149,7 +148,7 @@ struct Elf32_Shdr {
// Segment header
struct Elf32_Phdr {
Elf32_Word p_type;
Elf32_Off p_offset;
Elf32_Off p_offset;
Elf32_Addr p_vaddr;
Elf32_Addr p_paddr;
Elf32_Word p_filesz;
@ -160,12 +159,12 @@ struct Elf32_Phdr {
// Symbol table entry
struct Elf32_Sym {
Elf32_Word st_name;
Elf32_Addr st_value;
Elf32_Word st_size;
Elf32_Word st_name;
Elf32_Addr st_value;
Elf32_Word st_size;
unsigned char st_info;
unsigned char st_other;
Elf32_Half st_shndx;
Elf32_Half st_shndx;
};
// Relocation entries
@ -181,35 +180,51 @@ typedef int SectionID;
class ElfReader {
private:
char *base;
u32 *base32;
char* base;
u32* base32;
Elf32_Ehdr *header;
Elf32_Phdr *segments;
Elf32_Shdr *sections;
Elf32_Ehdr* header;
Elf32_Phdr* segments;
Elf32_Shdr* sections;
u32 *sectionAddrs;
u32* sectionAddrs;
bool relocate;
u32 entryPoint;
public:
ElfReader(void *ptr);
ElfReader(void* ptr);
u32 Read32(int off) const { return base32[off >> 2]; }
u32 Read32(int off) const {
return base32[off >> 2];
}
// Quick accessors
ElfType GetType() const { return (ElfType)(header->e_type); }
ElfMachine GetMachine() const { return (ElfMachine)(header->e_machine); }
u32 GetEntryPoint() const { return entryPoint; }
u32 GetFlags() const { return (u32)(header->e_flags); }
ElfType GetType() const {
return (ElfType)(header->e_type);
}
ElfMachine GetMachine() const {
return (ElfMachine)(header->e_machine);
}
u32 GetEntryPoint() const {
return entryPoint;
}
u32 GetFlags() const {
return (u32)(header->e_flags);
}
SharedPtr<CodeSet> LoadInto(u32 vaddr);
bool LoadSymbols();
int GetNumSegments() const { return (int)(header->e_phnum); }
int GetNumSections() const { return (int)(header->e_shnum); }
const u8 *GetPtr(int offset) const { return (u8*)base + offset; }
const char *GetSectionName(int section) const;
const u8 *GetSectionDataPtr(int section) const {
int GetNumSegments() const {
return (int)(header->e_phnum);
}
int GetNumSections() const {
return (int)(header->e_shnum);
}
const u8* GetPtr(int offset) const {
return (u8*)base + offset;
}
const char* GetSectionName(int section) const;
const u8* GetSectionDataPtr(int section) const {
if (section < 0 || section >= header->e_shnum)
return nullptr;
if (sections[section].sh_type != SHT_NOBITS)
@ -220,19 +235,23 @@ public:
bool IsCodeSection(int section) const {
return sections[section].sh_type == SHT_PROGBITS;
}
const u8 *GetSegmentPtr(int segment) {
const u8* GetSegmentPtr(int segment) {
return GetPtr(segments[segment].p_offset);
}
u32 GetSectionAddr(SectionID section) const { return sectionAddrs[section]; }
unsigned int GetSectionSize(SectionID section) const { return sections[section].sh_size; }
SectionID GetSectionByName(const char *name, int firstSection = 0) const; //-1 for not found
u32 GetSectionAddr(SectionID section) const {
return sectionAddrs[section];
}
unsigned int GetSectionSize(SectionID section) const {
return sections[section].sh_size;
}
SectionID GetSectionByName(const char* name, int firstSection = 0) const; //-1 for not found
bool DidRelocate() const {
return relocate;
}
};
ElfReader::ElfReader(void *ptr) {
ElfReader::ElfReader(void* ptr) {
base = (char*)ptr;
base32 = (u32*)ptr;
header = (Elf32_Ehdr*)ptr;
@ -245,7 +264,7 @@ ElfReader::ElfReader(void *ptr) {
LoadSymbols();
}
const char *ElfReader::GetSectionName(int section) const {
const char* ElfReader::GetSectionName(int section) const {
if (sections[section].sh_type == SHT_NULL)
return nullptr;
@ -303,12 +322,15 @@ SharedPtr<CodeSet> ElfReader::LoadInto(u32 vaddr) {
} else if (permission_flags == (PF_R | PF_W)) {
codeset_segment = &codeset->data;
} else {
LOG_ERROR(Loader, "Unexpected ELF PT_LOAD segment id %u with flags %X", i, p->p_flags);
LOG_ERROR(Loader, "Unexpected ELF PT_LOAD segment id %u with flags %X", i,
p->p_flags);
continue;
}
if (codeset_segment->size != 0) {
LOG_ERROR(Loader, "ELF has more than one segment of the same type. Skipping extra segment (id %i)", i);
LOG_ERROR(Loader, "ELF has more than one segment of the same type. Skipping extra "
"segment (id %i)",
i);
continue;
}
@ -332,9 +354,9 @@ SharedPtr<CodeSet> ElfReader::LoadInto(u32 vaddr) {
return codeset;
}
SectionID ElfReader::GetSectionByName(const char *name, int firstSection) const {
SectionID ElfReader::GetSectionByName(const char* name, int firstSection) const {
for (int i = firstSection; i < header->e_shnum; i++) {
const char *secname = GetSectionName(i);
const char* secname = GetSectionName(i);
if (secname != nullptr && strcmp(name, secname) == 0)
return i;
@ -347,9 +369,9 @@ bool ElfReader::LoadSymbols() {
SectionID sec = GetSectionByName(".symtab");
if (sec != -1) {
int stringSection = sections[sec].sh_link;
const char *stringBase = reinterpret_cast<const char*>(GetSectionDataPtr(stringSection));
const char* stringBase = reinterpret_cast<const char*>(GetSectionDataPtr(stringSection));
//We have a symbol table!
// We have a symbol table!
const Elf32_Sym* symtab = reinterpret_cast<const Elf32_Sym*>(GetSectionDataPtr(sec));
unsigned int numSymbols = sections[sec].sh_size / sizeof(Elf32_Sym);
for (unsigned sym = 0; sym < numSymbols; sym++) {
@ -359,7 +381,7 @@ bool ElfReader::LoadSymbols() {
int type = symtab[sym].st_info & 0xF;
const char *name = stringBase + symtab[sym].st_name;
const char* name = stringBase + symtab[sym].st_name;
Symbols::Add(symtab[sym].st_value, name, size, type);
@ -411,7 +433,8 @@ ResultStatus AppLoader_ELF::Load() {
Kernel::g_current_process->address_mappings = default_address_mappings;
// Attach the default resource limit (APPLICATION) to the process
Kernel::g_current_process->resource_limit = Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
Kernel::g_current_process->resource_limit =
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
Kernel::g_current_process->Run(48, Kernel::DEFAULT_STACK_SIZE);