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Merge pull request #914 from lioncash/codeset
kernel/process: Use accessors instead of class members for referencing segment array
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commit
206f2e3436
5 changed files with 42 additions and 21 deletions
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@ -142,9 +142,9 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
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};
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// Map CodeSet segments
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MapSegment(module_->code, VMAPermission::ReadExecute, MemoryState::CodeStatic);
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MapSegment(module_->rodata, VMAPermission::Read, MemoryState::CodeMutable);
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MapSegment(module_->data, VMAPermission::ReadWrite, MemoryState::CodeMutable);
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MapSegment(module_->CodeSegment(), VMAPermission::ReadExecute, MemoryState::CodeStatic);
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MapSegment(module_->RODataSegment(), VMAPermission::Read, MemoryState::CodeMutable);
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MapSegment(module_->DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeMutable);
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}
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ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) {
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@ -4,6 +4,7 @@
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#pragma once
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#include <array>
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#include <bitset>
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#include <cstddef>
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#include <memory>
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@ -55,6 +56,12 @@ enum class ProcessStatus { Created, Running, Exited };
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class ResourceLimit;
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struct CodeSet final : public Object {
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struct Segment {
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size_t offset = 0;
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VAddr addr = 0;
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u32 size = 0;
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};
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static SharedPtr<CodeSet> Create(std::string name);
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std::string GetTypeName() const override {
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@ -69,24 +76,38 @@ struct CodeSet final : public Object {
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return HANDLE_TYPE;
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}
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/// Name of the process
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std::string name;
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Segment& CodeSegment() {
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return segments[0];
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}
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const Segment& CodeSegment() const {
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return segments[0];
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}
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Segment& RODataSegment() {
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return segments[1];
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}
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const Segment& RODataSegment() const {
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return segments[1];
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}
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Segment& DataSegment() {
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return segments[2];
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}
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const Segment& DataSegment() const {
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return segments[2];
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}
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std::shared_ptr<std::vector<u8>> memory;
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struct Segment {
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size_t offset = 0;
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VAddr addr = 0;
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u32 size = 0;
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};
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Segment segments[3];
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Segment& code = segments[0];
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Segment& rodata = segments[1];
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Segment& data = segments[2];
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std::array<Segment, 3> segments;
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VAddr entrypoint;
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/// Name of the process
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std::string name;
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private:
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CodeSet();
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~CodeSet() override;
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@ -311,11 +311,11 @@ SharedPtr<CodeSet> ElfReader::LoadInto(u32 vaddr) {
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CodeSet::Segment* codeset_segment;
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u32 permission_flags = p->p_flags & (PF_R | PF_W | PF_X);
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if (permission_flags == (PF_R | PF_X)) {
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codeset_segment = &codeset->code;
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codeset_segment = &codeset->CodeSegment();
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} else if (permission_flags == (PF_R)) {
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codeset_segment = &codeset->rodata;
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codeset_segment = &codeset->RODataSegment();
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} else if (permission_flags == (PF_R | PF_W)) {
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codeset_segment = &codeset->data;
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codeset_segment = &codeset->DataSegment();
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} else {
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LOG_ERROR(Loader, "Unexpected ELF PT_LOAD segment id {} with flags {:X}", i,
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p->p_flags);
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@ -159,7 +159,7 @@ bool AppLoader_NRO::LoadNro(FileSys::VirtualFile file, VAddr load_base) {
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// Resize program image to include .bss section and page align each section
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bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset);
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}
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codeset->data.size += bss_size;
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codeset->DataSegment().size += bss_size;
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program_image.resize(static_cast<u32>(program_image.size()) + bss_size);
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// Load codeset for current process
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@ -127,7 +127,7 @@ VAddr AppLoader_NSO::LoadModule(FileSys::VirtualFile file, VAddr load_base) {
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// Resize program image to include .bss section and page align each section
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bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset);
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}
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codeset->data.size += bss_size;
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codeset->DataSegment().size += bss_size;
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const u32 image_size{PageAlignSize(static_cast<u32>(program_image.size()) + bss_size)};
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program_image.resize(image_size);
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