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give me "commit often" pillow

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This commit is contained in:
wwylele 2016-08-16 11:24:37 +08:00
parent a0f6573708
commit 1dfb4686e6
1 changed files with 51 additions and 44 deletions
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95
src/core/hle/service/ldr_ro.cpp
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@ -185,7 +185,7 @@ class CROHelper final {
};
ASSERT_CRO_STRUCT(ExportTreeEntry, 8);
/// Identifies a named symbol imported from other module.
/// Identifies a named symbol imported from another module.
struct ImportNamedSymbolEntry {
u32_le name_offset; // pointing to a substring in ImportStrings
u32_le patch_batch_offset; // pointing to a patch batch in ExternalPatchTable
@ -194,27 +194,27 @@ class CROHelper final {
};
ASSERT_CRO_STRUCT(ImportNamedSymbolEntry, 8);
/// Identifies an indexed symbol imported from other module.
/// Identifies an indexed symbol imported from another module.
struct ImportIndexedSymbolEntry {
u32_le index; // index of an opponent's ExportIndexedSymbolEntry
u32_le index; // index of an ExportIndexedSymbolEntry in the exporting module
u32_le patch_batch_offset; // pointing to a patch batch in ExternalPatchTable
static constexpr HeaderField TABLE_OFFSET_FIELD = ImportIndexedSymbolTableOffset;
};
ASSERT_CRO_STRUCT(ImportIndexedSymbolEntry, 8);
/// Identifies an anonymous symbol imported from other module.
/// Identifies an anonymous symbol imported from another module.
struct ImportAnonymousSymbolEntry {
SegmentTag symbol_position; // to the opponent's segment
SegmentTag symbol_position; // in the exporting segment
u32_le patch_batch_offset; // pointing to a patch batch in ExternalPatchTable
static constexpr HeaderField TABLE_OFFSET_FIELD = ImportAnonymousSymbolTableOffset;
};
ASSERT_CRO_STRUCT(ImportAnonymousSymbolEntry, 8);
/// Information of a referred module and symbols imported from it.
/// Information of a imported module and symbols imported from it.
struct ImportModuleEntry {
u32_le name_offset; // pointing to a substring in ImporStrings
u32_le name_offset; // pointing to a substring in ImportStrings
u32_le import_indexed_symbol_table_offset; // pointing to a subtable in ImportIndexedSymbolTable
u32_le import_indexed_symbol_num;
u32_le import_anonymous_symbol_table_offset; // pointing to a subtable in ImportAnonymousSymbolTable
@ -287,8 +287,15 @@ class CROHelper final {
};
ASSERT_CRO_STRUCT(StaticAnonymousSymbolEntry, 8);
static std::array<int, 17> ENTRY_SIZE;
static std::array<HeaderField, 4> FIX_BARRIERS;
/**
* Entry size of each table, from Code to StaticPatchTable.
* Byte string contents (such as Code) are treated with entries of size 1.
* This is used for verifying the size of each table and calculating the fix end.
*/
static const std::array<int, 17> ENTRY_SIZE;
/// The offset field of the table where to crop for each fix level
static const std::array<HeaderField, 4> FIX_BARRIERS;
static constexpr u32 MAGIC_CRO0 = 0x304F5243;
static constexpr u32 MAGIC_FIXD = 0x44584946;
@ -349,19 +356,19 @@ class CROHelper final {
return entry.offset + segment_tag.offset_into_segment;
}
VAddr Next() const {
VAddr NextModule() const {
return GetField(NextCRO);
}
VAddr Previous() const {
VAddr PreviousModule() const {
return GetField(PreviousCRO);
}
void SetNext(VAddr next) {
void SetNextModule(VAddr next) {
SetField(NextCRO, next);
}
void SetPrevious(VAddr previous) {
void SetPreviousModule(VAddr previous) {
SetField(PreviousCRO, previous);
}
@ -382,7 +389,7 @@ class CROHelper final {
CASCADE_RESULT(bool next, func(cro));
if (!next)
break;
current = cro.Next();
current = cro.NextModule();
}
return RESULT_SUCCESS;
}
@ -1680,8 +1687,8 @@ public:
if (!is_crs)
UnrebaseSegmentTable();
SetNext(0);
SetPrevious(0);
SetNextModule(0);
SetPreviousModule(0);
SetField(FixedSize, 0);
@ -1847,8 +1854,8 @@ public:
}
void InitCRS() {
SetNext(0);
SetPrevious(0);
SetNextModule(0);
SetPreviousModule(0);
}
/**
@ -1858,34 +1865,34 @@ public:
*/
void Register(VAddr crs_address, bool auto_link) {
CROHelper crs(crs_address);
CROHelper head(auto_link ? crs.Next() : crs.Previous());
CROHelper head(auto_link ? crs.NextModule() : crs.PreviousModule());
if (head.module_address) {
// there are already CROs registered
// register as the new tail
CROHelper tail(head.Previous());
CROHelper tail(head.PreviousModule());
// link with the old tail
ASSERT(tail.Next() == 0);
SetPrevious(tail.module_address);
tail.SetNext(module_address);
ASSERT(tail.NextModule() == 0);
SetPreviousModule(tail.module_address);
tail.SetNextModule(module_address);
// set previous of the head pointing to the new tail
head.SetPrevious(module_address);
head.SetPreviousModule(module_address);
} else {
// register as the first CRO
// set previous to self as tail
SetPrevious(module_address);
SetPreviousModule(module_address);
// set self as head
if (auto_link)
crs.SetNext(module_address);
crs.SetNextModule(module_address);
else
crs.SetPrevious(module_address);
crs.SetPreviousModule(module_address);
}
// the new one is the tail
SetNext(0);
SetNextModule(0);
}
/**
@ -1894,45 +1901,45 @@ public:
*/
void Unregister(VAddr crs_address) {
CROHelper crs(crs_address);
CROHelper next_head(crs.Next()), previous_head(crs.Previous());
CROHelper next(Next()), previous(Previous());
CROHelper next_head(crs.NextModule()), previous_head(crs.PreviousModule());
CROHelper next(NextModule()), previous(PreviousModule());
if (module_address == next_head.module_address || module_address == previous_head.module_address) {
// removing head
if (next.module_address) {
// the next is new head
// let its previous point to the tail
next.SetPrevious(previous.module_address);
next.SetPreviousModule(previous.module_address);
}
// set new head
if (module_address == previous_head.module_address) {
crs.SetPrevious(next.module_address);
crs.SetPreviousModule(next.module_address);
} else {
crs.SetNext(next.module_address);
crs.SetNextModule(next.module_address);
}
} else if (next.module_address) {
// link previous and next
previous.SetNext(next.module_address);
next.SetPrevious(previous.module_address);
previous.SetNextModule(next.module_address);
next.SetPreviousModule(previous.module_address);
} else {
// removing tail
// set previous as new tail
previous.SetNext(0);
previous.SetNextModule(0);
// let head's previous point to the new tail
if (next_head.module_address && next_head.Previous() == module_address) {
next_head.SetPrevious(previous.module_address);
} else if (previous_head.module_address && previous_head.Previous() == module_address) {
previous_head.SetPrevious(previous.module_address);
if (next_head.module_address && next_head.PreviousModule() == module_address) {
next_head.SetPreviousModule(previous.module_address);
} else if (previous_head.module_address && previous_head.PreviousModule() == module_address) {
previous_head.SetPreviousModule(previous.module_address);
} else {
UNREACHABLE();
}
}
// unlink self
SetNext(0);
SetPrevious(0);
SetNextModule(0);
SetPreviousModule(0);
}
/**
@ -2020,7 +2027,7 @@ public:
}
};
std::array<int, 17> CROHelper::ENTRY_SIZE {{
const std::array<int, 17> CROHelper::ENTRY_SIZE {{
1, // code
1, // data
1, // module name
@ -2040,7 +2047,7 @@ std::array<int, 17> CROHelper::ENTRY_SIZE {{
sizeof(StaticPatchEntry)
}};
std::array<CROHelper::HeaderField, 4> CROHelper::FIX_BARRIERS {{
const std::array<CROHelper::HeaderField, 4> CROHelper::FIX_BARRIERS {{
Fix0Barrier,
Fix1Barrier,
Fix2Barrier,