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authorGravatar bunnei2018-09-29 10:54:39 -0400
committerGravatar GitHub2018-09-29 10:54:39 -0400
commitf7b69d61f2a871e8afcd9819b014e873f6e0b80d (patch)
treeab6fa797e0a0edd41cc84138ac56aaba0c5238fe /src/core/loader/elf.cpp
parentMerge pull request #1360 from FearlessTobi/port-3979 (diff)
parentmemory: Dehardcode the use of fixed memory range constants (diff)
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Merge pull request #1395 from lioncash/vm
process/vm_manager: Initial modifications to load NPDM metadata
Diffstat (limited to 'src/core/loader/elf.cpp')
-rw-r--r--src/core/loader/elf.cpp32
1 files changed, 13 insertions, 19 deletions
diff --git a/src/core/loader/elf.cpp b/src/core/loader/elf.cpp
index 0e2af20b4..ff1221574 100644
--- a/src/core/loader/elf.cpp
+++ b/src/core/loader/elf.cpp
@@ -12,7 +12,7 @@
12#include "core/core.h" 12#include "core/core.h"
13#include "core/hle/kernel/kernel.h" 13#include "core/hle/kernel/kernel.h"
14#include "core/hle/kernel/process.h" 14#include "core/hle/kernel/process.h"
15#include "core/hle/kernel/resource_limit.h" 15#include "core/hle/kernel/vm_manager.h"
16#include "core/loader/elf.h" 16#include "core/loader/elf.h"
17#include "core/memory.h" 17#include "core/memory.h"
18 18
@@ -189,7 +189,7 @@ private:
189 189
190 u32* sectionAddrs; 190 u32* sectionAddrs;
191 bool relocate; 191 bool relocate;
192 u32 entryPoint; 192 VAddr entryPoint;
193 193
194public: 194public:
195 explicit ElfReader(void* ptr); 195 explicit ElfReader(void* ptr);
@@ -205,13 +205,13 @@ public:
205 ElfMachine GetMachine() const { 205 ElfMachine GetMachine() const {
206 return (ElfMachine)(header->e_machine); 206 return (ElfMachine)(header->e_machine);
207 } 207 }
208 u32 GetEntryPoint() const { 208 VAddr GetEntryPoint() const {
209 return entryPoint; 209 return entryPoint;
210 } 210 }
211 u32 GetFlags() const { 211 u32 GetFlags() const {
212 return (u32)(header->e_flags); 212 return (u32)(header->e_flags);
213 } 213 }
214 SharedPtr<CodeSet> LoadInto(u32 vaddr); 214 SharedPtr<CodeSet> LoadInto(VAddr vaddr);
215 215
216 int GetNumSegments() const { 216 int GetNumSegments() const {
217 return (int)(header->e_phnum); 217 return (int)(header->e_phnum);
@@ -274,7 +274,7 @@ const char* ElfReader::GetSectionName(int section) const {
274 return nullptr; 274 return nullptr;
275} 275}
276 276
277SharedPtr<CodeSet> ElfReader::LoadInto(u32 vaddr) { 277SharedPtr<CodeSet> ElfReader::LoadInto(VAddr vaddr) {
278 LOG_DEBUG(Loader, "String section: {}", header->e_shstrndx); 278 LOG_DEBUG(Loader, "String section: {}", header->e_shstrndx);
279 279
280 // Should we relocate? 280 // Should we relocate?
@@ -289,11 +289,11 @@ SharedPtr<CodeSet> ElfReader::LoadInto(u32 vaddr) {
289 LOG_DEBUG(Loader, "{} segments:", header->e_phnum); 289 LOG_DEBUG(Loader, "{} segments:", header->e_phnum);
290 290
291 // First pass : Get the bits into RAM 291 // First pass : Get the bits into RAM
292 u32 base_addr = relocate ? vaddr : 0; 292 const VAddr base_addr = relocate ? vaddr : 0;
293 293
294 u32 total_image_size = 0; 294 u64 total_image_size = 0;
295 for (unsigned int i = 0; i < header->e_phnum; ++i) { 295 for (unsigned int i = 0; i < header->e_phnum; ++i) {
296 Elf32_Phdr* p = &segments[i]; 296 const Elf32_Phdr* p = &segments[i];
297 if (p->p_type == PT_LOAD) { 297 if (p->p_type == PT_LOAD) {
298 total_image_size += (p->p_memsz + 0xFFF) & ~0xFFF; 298 total_image_size += (p->p_memsz + 0xFFF) & ~0xFFF;
299 } 299 }
@@ -306,7 +306,7 @@ SharedPtr<CodeSet> ElfReader::LoadInto(u32 vaddr) {
306 SharedPtr<CodeSet> codeset = CodeSet::Create(kernel, ""); 306 SharedPtr<CodeSet> codeset = CodeSet::Create(kernel, "");
307 307
308 for (unsigned int i = 0; i < header->e_phnum; ++i) { 308 for (unsigned int i = 0; i < header->e_phnum; ++i) {
309 Elf32_Phdr* p = &segments[i]; 309 const Elf32_Phdr* p = &segments[i];
310 LOG_DEBUG(Loader, "Type: {} Vaddr: {:08X} Filesz: {:08X} Memsz: {:08X} ", p->p_type, 310 LOG_DEBUG(Loader, "Type: {} Vaddr: {:08X} Filesz: {:08X} Memsz: {:08X} ", p->p_type,
311 p->p_vaddr, p->p_filesz, p->p_memsz); 311 p->p_vaddr, p->p_filesz, p->p_memsz);
312 312
@@ -333,8 +333,8 @@ SharedPtr<CodeSet> ElfReader::LoadInto(u32 vaddr) {
333 continue; 333 continue;
334 } 334 }
335 335
336 u32 segment_addr = base_addr + p->p_vaddr; 336 const VAddr segment_addr = base_addr + p->p_vaddr;
337 u32 aligned_size = (p->p_memsz + 0xFFF) & ~0xFFF; 337 const u32 aligned_size = (p->p_memsz + 0xFFF) & ~0xFFF;
338 338
339 codeset_segment->offset = current_image_position; 339 codeset_segment->offset = current_image_position;
340 codeset_segment->addr = segment_addr; 340 codeset_segment->addr = segment_addr;
@@ -395,18 +395,12 @@ ResultStatus AppLoader_ELF::Load(Kernel::SharedPtr<Kernel::Process>& process) {
395 if (buffer.size() != file->GetSize()) 395 if (buffer.size() != file->GetSize())
396 return ResultStatus::ErrorIncorrectELFFileSize; 396 return ResultStatus::ErrorIncorrectELFFileSize;
397 397
398 const VAddr base_address = process->vm_manager.GetCodeRegionBaseAddress();
398 ElfReader elf_reader(&buffer[0]); 399 ElfReader elf_reader(&buffer[0]);
399 SharedPtr<CodeSet> codeset = elf_reader.LoadInto(Memory::PROCESS_IMAGE_VADDR); 400 SharedPtr<CodeSet> codeset = elf_reader.LoadInto(base_address);
400 codeset->name = file->GetName(); 401 codeset->name = file->GetName();
401 402
402 process->LoadModule(codeset, codeset->entrypoint); 403 process->LoadModule(codeset, codeset->entrypoint);
403 process->svc_access_mask.set();
404
405 // Attach the default resource limit (APPLICATION) to the process
406 auto& kernel = Core::System::GetInstance().Kernel();
407 process->resource_limit =
408 kernel.ResourceLimitForCategory(Kernel::ResourceLimitCategory::APPLICATION);
409
410 process->Run(codeset->entrypoint, 48, Memory::DEFAULT_STACK_SIZE); 404 process->Run(codeset->entrypoint, 48, Memory::DEFAULT_STACK_SIZE);
411 405
412 is_loaded = true; 406 is_loaded = true;