13528988609

Committed 25 Feb 2025 07:06PM UTC coverage: 88.854% (-1.9%) from 90.735%

Build # 13528988609

Build Type

Pull #163

github

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web-flow

Commit Message

Merge e4a2d80f6 into d2e14acc5

Pull Request Pull Request #163: LLVM 18 support

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94.64

/lib/runtime/TypeResolution.cpp

// TypeART library
//
// Copyright (c) 2017-2025 TypeART Authors
// Distributed under the BSD 3-Clause license.
// (See accompanying file LICENSE.txt or copy at
// https://opensource.org/licenses/BSD-3-Clause)
//
// Project home: https://github.com/tudasc/TypeART
//
// SPDX-License-Identifier: BSD-3-Clause
//

#include "TypeResolution.h"

#include "AllocationTracking.h"
#include "Runtime.h"
#include "RuntimeData.h"
#include "RuntimeInterface.h"
#include "TypeInterface.h"
#include "support/Logger.h"
#include "support/System.h"

#include "llvm/Support/raw_ostream.h"

#include <cassert>
#include <cstddef>
#include <cstdint>
#include <utility>
#include <vector>

namespace typeart {

namespace detail {

template <typename P, typename T>
inline const void* add_byte_offset(const P* addr, T offset) {
  assert(addr != nullptr);
  return static_cast<const P*>(static_cast<const char*>(addr) + offset);
}

template <typename T>
inline std::ptrdiff_t substract_pointer(const T* addr_a, const T* addr_b) {
  assert(addr_a != nullptr);
  assert(addr_b != nullptr);
  return static_cast<const char*>(addr_a) - static_cast<const char*>(addr_b);
}

inline size_t get_member_index_at(const typeart_struct_layout& structInfo, size_t offset) {
  const size_t num_members = structInfo.num_members;

  if (num_members == 0) {
    return 0;
  }

  const auto* struct_offsets = structInfo.offsets;

  if (offset > struct_offsets[num_members - 1]) {
    return num_members - 1;
  }

  size_t member_index{0};
  while (member_index < (num_members - 1) && offset >= struct_offsets[member_index + 1]) {
    ++member_index;
  }
  return member_index;
}

}  // namespace detail

TypeResolution::TypeResolution(const TypeDB& type_db, Recorder& recorder)
    : type_database{type_db}, runtime_recorder{recorder} {
}

TypeResolution::TypeArtStatus TypeResolution::getSubTypeInfo(const void* baseAddr, size_t offset,
                                                             const typeart_struct_layout& containerInfo, int* subType,
                                                             const void** subTypeBaseAddr, size_t* subTypeOffset,
                                                             size_t* subTypeCount) const {
  if (containerInfo.type_id < 0) {
    return TYPEART_ERROR;
  }

  if (offset >= containerInfo.extent) {
    return TYPEART_BAD_OFFSET;
  }

  // Get index of the struct member at the address
  const size_t memberIndex = detail::get_member_index_at(containerInfo, offset);
  const int memberType     = containerInfo.member_types[memberIndex];
  const size_t baseOffset  = containerInfo.offsets[memberIndex];

  const size_t internalOffset = offset - baseOffset;
  const size_t typeSize       = type_database.getTypeSize(memberType);
  if (typeSize == 0) {
    return TYPEART_INVALID_ID;
  }
  const size_t offsetInTypeSize = internalOffset / typeSize;
  const size_t newOffset        = internalOffset % typeSize;

  // If newOffset != 0, the subtype cannot be atomic, i.e. must be a struct
  if (newOffset != 0) {
    if (type_database.isReservedType(memberType)) {
      return TYPEART_BAD_ALIGNMENT;
    }
  }

  // Ensure that the array index is in bounds
  if (offsetInTypeSize >= containerInfo.count[memberIndex]) {
    // Address points to padding
    return TYPEART_BAD_ALIGNMENT;
  }

  *subType         = memberType;
  *subTypeBaseAddr = detail::add_byte_offset(baseAddr, baseOffset);
  *subTypeOffset   = newOffset;
  *subTypeCount    = containerInfo.count[memberIndex] - offsetInTypeSize;

  return TYPEART_OK;
}

TypeResolution::TypeArtStatus TypeResolution::getTypeInfoInternal(const void* baseAddr, size_t offset,
                                                                  const StructTypeInfo& containerInfo, int* type,
                                                                  size_t* count) const {
  assert(offset < containerInfo.extent && "Something went wrong with the base address computation");

  int subType{-1};
  const void* subTypeBaseAddr;
  size_t subTypeOffset{0};
  size_t subTypeCount{0};

  const StructTypeInfo* structInfo = &containerInfo;

  const auto to_struct_layout_info = [](const auto& struct_type_info) {
    typeart_struct_layout struct_layout;
    struct_layout.type_id      = struct_type_info.type_id;
    struct_layout.name         = struct_type_info.name.c_str();
    struct_layout.num_members  = struct_type_info.num_members;
    struct_layout.extent       = struct_type_info.extent;
    struct_layout.offsets      = &struct_type_info.offsets[0];
    struct_layout.member_types = &struct_type_info.member_types[0];
    struct_layout.count        = &struct_type_info.array_sizes[0];
    return struct_layout;
  };

  // Resolve type recursively, until the address matches exactly
  bool resolve{true};
  while (resolve) {
    const auto status_subtype_info = getSubTypeInfo(baseAddr, offset, to_struct_layout_info(*structInfo), &subType,
                                                    &subTypeBaseAddr, &subTypeOffset, &subTypeCount);

    if (status_subtype_info != TYPEART_OK) {
      return status_subtype_info;
    }

    baseAddr = subTypeBaseAddr;
    offset   = subTypeOffset;

    // Continue as long as there is a byte offset
    resolve = offset != 0;

    // Get layout of the nested struct
    if (resolve) {
      const auto status_struct_info = getStructInfo(subType, &structInfo);
      if (status_struct_info != TYPEART_OK) {
        return status_struct_info;
      }
    }
  }
  *type  = subType;
  *count = subTypeCount;
  return TYPEART_OK;
}

TypeResolution::TypeArtStatus TypeResolution::getTypeInfo(const void* addr, const void* basePtr,
                                                          const PointerInfo& ptrInfo, int* type, size_t* count) const {
  const int containing_type = ptrInfo.typeId;
  size_t containing_type_count{0};
  size_t internal_byte_offset{0};

  // First, retrieve the containing type
  TypeArtStatus status = getContainingTypeInfo(addr, basePtr, ptrInfo, &containing_type_count, &internal_byte_offset);
  if (status != TYPEART_OK) {
    if (status == TYPEART_UNKNOWN_ADDRESS) {
      runtime_recorder.incAddrMissing(addr);
    }
    return status;
  }

  // Check for exact address match
  if (internal_byte_offset == 0) {
    *type  = containing_type;
    *count = containing_type_count;
    return TYPEART_OK;
  }

  if (type_database.isBuiltinType(containing_type)) {
    // Address points to the middle of a builtin type
    return TYPEART_BAD_ALIGNMENT;
  }

  // Resolve struct recursively
  const auto* structInfo = type_database.getStructInfo(containing_type);
  if (structInfo != nullptr) {
    const void* containingTypeAddr = detail::add_byte_offset(addr, -std::ptrdiff_t(internal_byte_offset));
    return getTypeInfoInternal(containingTypeAddr, internal_byte_offset, *structInfo, type, count);
  }

  return TYPEART_INVALID_ID;
}

TypeResolution::TypeArtStatus TypeResolution::getContainingTypeInfo(const void* addr, const void* basePtr,
                                                                    const PointerInfo& ptrInfo, size_t* count,
                                                                    size_t* offset) const {
  const auto& basePtrInfo = ptrInfo;
  size_t typeSize         = type_database.getTypeSize(basePtrInfo.typeId);
  if (basePtrInfo.typeId == TYPEART_VOID || basePtrInfo.typeId == TYPEART_POINTER) {
    // typeSize = 1;
  }

  // Check for exact match -> no further checks and offsets calculations needed
  if (basePtr == addr) {
    *count  = ptrInfo.count;
    *offset = 0;
    return TYPEART_OK;
  }

  if (typeSize == 0) {
    return TYPEART_ERROR;
  }

  // The address points inside a known array
  const void* blockEnd = detail::add_byte_offset(basePtr, basePtrInfo.count * typeSize);

  // Ensure that the given address is in bounds and points to the start of an element
  if (addr >= blockEnd) {
    const std::ptrdiff_t byte_offset_to_base = detail::substract_pointer(addr, basePtr);

    const auto elements  = byte_offset_to_base / typeSize;
    const auto oob_index = elements - basePtrInfo.count + 1;
    LOG_WARNING("Out of bounds for the lookup: (" << debug::toString(addr, basePtrInfo)
                                                  << ") #Elements too far: " << oob_index);
    return TYPEART_UNKNOWN_ADDRESS;
  }

  assert(addr >= basePtr && "Error in base address computation");

  const std::ptrdiff_t addrDif = detail::substract_pointer(addr, basePtr);

  // Offset of the pointer w.r.t. the start of the containing type
  const size_t internalOffset = addrDif % typeSize;

  // Array index
  const size_t typeOffset = addrDif / typeSize;
  const size_t typeCount  = basePtrInfo.count - typeOffset;

  // Retrieve and return type information
  *count  = typeCount;
  *offset = internalOffset;
  return TYPEART_OK;
}

TypeResolution::TypeArtStatus TypeResolution::getStructInfo(int type_id, const StructTypeInfo** structInfo) const {
  // Requested ID must correspond to a struct
  if (!type_database.isStructType(type_id)) {
    return TYPEART_WRONG_KIND;
  }

  const auto* result = type_database.getStructInfo(type_id);

  if (result != nullptr) {
    *structInfo = result;
    return TYPEART_OK;
  }
  return TYPEART_INVALID_ID;
}

const TypeDB& TypeResolution::db() const {
  return type_database;
}

namespace detail {
inline typeart_status query_type(const void* addr, int* type, size_t* count) {
  auto alloc = typeart::RuntimeSystem::get().allocTracker.findBaseAlloc(addr);
  typeart::RuntimeSystem::get().recorder.incUsedInRequest(addr);
  if (alloc) {
    return typeart::RuntimeSystem::get().typeResolution.getTypeInfo(addr, alloc->first, alloc->second, type, count);
  }
  return TYPEART_UNKNOWN_ADDRESS;
}

inline typeart_status query_struct_layout(int type_id, typeart_struct_layout* struct_layout) {
  const typeart::StructTypeInfo* struct_info;
  typeart_status status = typeart::RuntimeSystem::get().typeResolution.getStructInfo(type_id, &struct_info);
  if (status == TYPEART_OK) {
    struct_layout->type_id      = struct_info->type_id;
    struct_layout->name         = struct_info->name.c_str();
    struct_layout->num_members  = struct_info->num_members;
    struct_layout->extent       = struct_info->extent;
    struct_layout->offsets      = &struct_info->offsets[0];
    struct_layout->member_types = &struct_info->member_types[0];
    struct_layout->count        = &struct_info->array_sizes[0];
  } else {
    struct_layout->type_id      = std::numeric_limits<decltype(typeart_struct_layout::type_id)>::min();
    struct_layout->name         = "";
    struct_layout->num_members  = 0;
    struct_layout->extent       = 0;
    struct_layout->offsets      = nullptr;
    struct_layout->member_types = nullptr;
    struct_layout->count        = nullptr;
  }
  return status;
}

char* string2char(std::string_view src) {
  const void* ret_addr       = __builtin_return_address(0);
  const size_t source_length = src.size() + 1;  // +1 for '\0'
  char* string_copy          = (char*)malloc(sizeof(char) * source_length);

  if (string_copy == nullptr) {
    return nullptr;
  }

  typeart::RuntimeSystem::get().allocTracker.onAlloc(string_copy, TYPEART_CHAR_8, source_length, ret_addr);

  memcpy(string_copy, src.data(), source_length);

  return string_copy;
}

}  // namespace detail
}  // namespace typeart

/**
 * Runtime interface implementation
 *
 */

typeart_status typeart_get_type(const void* addr, int* type_id, size_t* count) {
  typeart::RTGuard guard;
  return typeart::detail::query_type(addr, type_id, count);
}

typeart_status typeart_get_type_length(const void* addr, size_t* count) {
  typeart::RTGuard guard;
  int type{0};
  return typeart::detail::query_type(addr, &type, count);
}

typeart_status typeart_get_type_id(const void* addr, int* type_id) {
  typeart::RTGuard guard;
  size_t count{0};
  return typeart::detail::query_type(addr, type_id, &count);
}

typeart_status typeart_get_containing_type(const void* addr, int* type_id, size_t* count, const void** base_address,
                                           size_t* byte_offset) {
  typeart::RTGuard guard;
  auto alloc = typeart::RuntimeSystem::get().allocTracker.findBaseAlloc(addr);
  if (alloc) {
    //    auto& allocVal = alloc.value();
    *type_id      = alloc->second.typeId;
    *base_address = alloc->first;
    return typeart::RuntimeSystem::get().typeResolution.getContainingTypeInfo(addr, alloc->first, alloc->second, count,
                                                                              byte_offset);
  }
  return TYPEART_UNKNOWN_ADDRESS;
}

typeart_status typeart_get_subtype(const void* base_addr, size_t offset, const typeart_struct_layout* container_layout,
                                   int* subtype_id, const void** subtype_base_addr, size_t* subtype_byte_offset,
                                   size_t* subtype_count) {
  typeart::RTGuard guard;
  auto status = typeart::RuntimeSystem::get().typeResolution.getSubTypeInfo(
      base_addr, offset, *container_layout, subtype_id, subtype_base_addr, subtype_byte_offset, subtype_count);
  return status;
}

typeart_status typeart_resolve_type_addr(const void* addr, typeart_struct_layout* struct_layout) {
  typeart::RTGuard guard;
  int type_id{0};
  size_t size{0};
  auto status = typeart::detail::query_type(addr, &type_id, &size);
  if (status != TYPEART_OK) {
    return status;
  }
  return typeart::detail::query_struct_layout(type_id, struct_layout);
}

typeart_status typeart_resolve_type_id(int type_id, typeart_struct_layout* struct_layout) {
  typeart::RTGuard guard;
  return typeart::detail::query_struct_layout(type_id, struct_layout);
}

typeart_status typeart_get_return_address(const void* addr, const void** return_addr) {
  typeart::RTGuard guard;
  auto alloc = typeart::RuntimeSystem::get().allocTracker.findBaseAlloc(addr);

  if (alloc) {
    *return_addr = alloc.value().second.debug;
    return TYPEART_OK;
  }
  *return_addr = nullptr;
  return TYPEART_UNKNOWN_ADDRESS;
}

typeart_status_t typeart_get_source_location(const void* addr, char** file, char** function, char** line) {
  using namespace typeart::detail;
  typeart::RTGuard guard;

  auto source_loc = typeart::SourceLocation::create(addr);

  if (source_loc) {
    *file     = string2char(source_loc->file);
    *function = string2char(source_loc->function);
    *line     = string2char(source_loc->line);

    if (*file == nullptr || *function == nullptr || *line == nullptr) {
      return TYPEART_ERROR;
    }

    return TYPEART_OK;
  }

  return TYPEART_UNKNOWN_ADDRESS;
}

const char* typeart_get_type_name(int type_id) {
  typeart::RTGuard guard;
  return typeart::RuntimeSystem::get().typeResolution.db().getTypeName(type_id).c_str();
}

bool typeart_is_vector_type(int type_id) {
  typeart::RTGuard guard;
  return typeart::RuntimeSystem::get().typeResolution.db().isVectorType(type_id);
}

bool typeart_is_valid_type(int type_id) {
  typeart::RTGuard guard;
  return typeart::RuntimeSystem::get().typeResolution.db().isValid(type_id);
}

bool typeart_is_reserved_type(int type_id) {
  typeart::RTGuard guard;
  return typeart::RuntimeSystem::get().typeResolution.db().isReservedType(type_id);
}

bool typeart_is_builtin_type(int type_id) {
  typeart::RTGuard guard;
  return typeart::RuntimeSystem::get().typeResolution.db().isBuiltinType(type_id);
}

bool typeart_is_struct_type(int type_id) {
  typeart::RTGuard guard;
  return typeart::RuntimeSystem::get().typeResolution.db().isStructType(type_id);
}

bool typeart_is_userdefined_type(int type_id) {
  typeart::RTGuard guard;
  return typeart::RuntimeSystem::get().typeResolution.db().isUserDefinedType(type_id);
}

size_t typeart_get_type_size(int type_id) {
  typeart::RTGuard guard;
  return typeart::RuntimeSystem::get().typeResolution.db().getTypeSize(type_id);
}

1	// TypeART library
2	//
3	// Copyright (c) 2017-2025 TypeART Authors
4	// Distributed under the BSD 3-Clause license.
5	// (See accompanying file LICENSE.txt or copy at
6	// https://opensource.org/licenses/BSD-3-Clause)
7	//
8	// Project home: https://github.com/tudasc/TypeART
9	//
10	// SPDX-License-Identifier: BSD-3-Clause
11	//
12
13	#include "TypeResolution.h"
14
15	#include "AllocationTracking.h"
16	#include "Runtime.h"
17	#include "RuntimeData.h"
18	#include "RuntimeInterface.h"
19	#include "TypeInterface.h"
20	#include "support/Logger.h"
21	#include "support/System.h"
22
23	#include "llvm/Support/raw_ostream.h"
24
25	#include <cassert>
26	#include <cstddef>
27	#include <cstdint>
28	#include <utility>
29	#include <vector>
30
31	namespace typeart {
32
33	namespace detail {
34
35	template <typename P, typename T>
36	inline const void* add_byte_offset(const P* addr, T offset) {	1,570✔
37	assert(addr != nullptr);	1,570✔
38	return static_cast<const P>(static_cast<const char>(addr) + offset);	1,570✔
39	}
40
41	template <typename T>
42	inline std::ptrdiff_t substract_pointer(const T* addr_a, const T* addr_b) {	1,162✔
43	assert(addr_a != nullptr);	1,162✔
44	assert(addr_b != nullptr);	1,162✔
45	return static_cast<const char>(addr_a) - static_cast<const char>(addr_b);	1,162✔
46	}
47
48	inline size_t get_member_index_at(const typeart_struct_layout& structInfo, size_t offset) {	240✔
49	const size_t num_members = structInfo.num_members;	240✔
50
51	if (num_members == 0) {	240✔
52	return 0;	×
53	}
54
55	const auto* struct_offsets = structInfo.offsets;	240✔
56
57	if (offset > struct_offsets[num_members - 1]) {	240✔
58	return num_members - 1;	9✔
59	}
60
61	size_t member_index{0};	231✔
62	while (member_index < (num_members - 1) && offset >= struct_offsets[member_index + 1]) {	501✔
63	++member_index;	270✔
64	}
65	return member_index;	231✔
66	}	240✔
67
68	} // namespace detail
69
70	TypeResolution::TypeResolution(const TypeDB& type_db, Recorder& recorder)	589✔
71	: type_database{type_db}, runtime_recorder{recorder} {	589✔
72	}	589✔
73
74	TypeResolution::TypeArtStatus TypeResolution::getSubTypeInfo(const void* baseAddr, size_t offset,	670✔
75	const typeart_struct_layout& containerInfo, int* subType,
76	const void** subTypeBaseAddr, size_t* subTypeOffset,
77	size_t* subTypeCount) const {
78	if (containerInfo.type_id < 0) {	258✔
79	return TYPEART_ERROR;	9✔
80	}
81
82	if (offset >= containerInfo.extent) {	249✔
83	return TYPEART_BAD_OFFSET;	9✔
84	}
85
86	// Get index of the struct member at the address
87	const size_t memberIndex = detail::get_member_index_at(containerInfo, offset);	240✔
88	const int memberType = containerInfo.member_types[memberIndex];	240✔
89	const size_t baseOffset = containerInfo.offsets[memberIndex];	240✔
90
91	const size_t internalOffset = offset - baseOffset;	240✔
92	const size_t typeSize = type_database.getTypeSize(memberType);	240✔
93	if (typeSize == 0) {	240✔
NEW 94	return TYPEART_INVALID_ID;	×
95	}
96	const size_t offsetInTypeSize = internalOffset / typeSize;	240✔
97	const size_t newOffset = internalOffset % typeSize;	240✔
98
99	// If newOffset != 0, the subtype cannot be atomic, i.e. must be a struct
100	if (newOffset != 0) {	240✔
101	if (type_database.isReservedType(memberType)) {	18✔
102	return TYPEART_BAD_ALIGNMENT;	18✔
103	}
104	}	×
105
106	// Ensure that the array index is in bounds
107	if (offsetInTypeSize >= containerInfo.count[memberIndex]) {	222✔
108	// Address points to padding
109	return TYPEART_BAD_ALIGNMENT;	36✔
110	}
111
112	*subType = memberType;	186✔
113	*subTypeBaseAddr = detail::add_byte_offset(baseAddr, baseOffset);	186✔
114	*subTypeOffset = newOffset;	186✔
115	*subTypeCount = containerInfo.count[memberIndex] - offsetInTypeSize;	186✔
116
117	return TYPEART_OK;	186✔
118	}	258✔
119
120	TypeResolution::TypeArtStatus TypeResolution::getTypeInfoInternal(const void* baseAddr, size_t offset,	222✔
121	const StructTypeInfo& containerInfo, int* type,
122	size_t* count) const {
123	assert(offset < containerInfo.extent && "Something went wrong with the base address computation");	444✔
124
125	int subType{-1};	222✔
126	const void* subTypeBaseAddr;	222✔
127	size_t subTypeOffset{0};	222✔
128	size_t subTypeCount{0};	222✔
129
130	const StructTypeInfo* structInfo = &containerInfo;	222✔
131
132	const auto to_struct_layout_info = [](const auto& struct_type_info) {	444✔
133	typeart_struct_layout struct_layout;	222✔
134	struct_layout.type_id = struct_type_info.type_id;	222✔
135	struct_layout.name = struct_type_info.name.c_str();	222✔
136	struct_layout.num_members = struct_type_info.num_members;	222✔
137	struct_layout.extent = struct_type_info.extent;	222✔
138	struct_layout.offsets = &struct_type_info.offsets[0];	222✔
139	struct_layout.member_types = &struct_type_info.member_types[0];	222✔
140	struct_layout.count = &struct_type_info.array_sizes[0];	222✔
141	return struct_layout;	222✔
142	};	222✔
143
144	// Resolve type recursively, until the address matches exactly
145	bool resolve{true};	222✔
146	while (resolve) {	399✔
147	const auto status_subtype_info = getSubTypeInfo(baseAddr, offset, to_struct_layout_info(*structInfo), &subType,	222✔
148	&subTypeBaseAddr, &subTypeOffset, &subTypeCount);
149
150	if (status_subtype_info != TYPEART_OK) {	222✔
151	return status_subtype_info;	45✔
152	}
153
154	baseAddr = subTypeBaseAddr;	177✔
155	offset = subTypeOffset;	177✔
156
157	// Continue as long as there is a byte offset
158	resolve = offset != 0;	177✔
159
160	// Get layout of the nested struct
161	if (resolve) {	177✔
162	const auto status_struct_info = getStructInfo(subType, &structInfo);	×
163	if (status_struct_info != TYPEART_OK) {	×
164	return status_struct_info;	×
165	}
166	}	×
167	}	222✔
168	*type = subType;	177✔
169	*count = subTypeCount;	177✔
170	return TYPEART_OK;	177✔
171	}	222✔
172
173	TypeResolution::TypeArtStatus TypeResolution::getTypeInfo(const void* addr, const void* basePtr,	5,467✔
174	const PointerInfo& ptrInfo, int* type, size_t* count) const {
175	const int containing_type = ptrInfo.typeId;	5,467✔
176	size_t containing_type_count{0};	5,467✔
177	size_t internal_byte_offset{0};	5,467✔
178
179	// First, retrieve the containing type
180	TypeArtStatus status = getContainingTypeInfo(addr, basePtr, ptrInfo, &containing_type_count, &internal_byte_offset);	5,467✔
181	if (status != TYPEART_OK) {	5,467✔
182	if (status == TYPEART_UNKNOWN_ADDRESS) {	430✔
183	runtime_recorder.incAddrMissing(addr);	430✔
184	}	430✔
185	return status;	430✔
186	}
187
188	// Check for exact address match
189	if (internal_byte_offset == 0) {	5,037✔
190	*type = containing_type;	4,635✔
191	*count = containing_type_count;	4,635✔
192	return TYPEART_OK;	4,635✔
193	}
194
195	if (type_database.isBuiltinType(containing_type)) {	402✔
196	// Address points to the middle of a builtin type
197	return TYPEART_BAD_ALIGNMENT;	180✔
198	}
199
200	// Resolve struct recursively
201	const auto* structInfo = type_database.getStructInfo(containing_type);	222✔
202	if (structInfo != nullptr) {	222✔
203	const void* containingTypeAddr = detail::add_byte_offset(addr, -std::ptrdiff_t(internal_byte_offset));	222✔
204	return getTypeInfoInternal(containingTypeAddr, internal_byte_offset, *structInfo, type, count);	222✔
205	}	222✔
206
207	return TYPEART_INVALID_ID;	×
208	}	5,467✔
209
210	TypeResolution::TypeArtStatus TypeResolution::getContainingTypeInfo(const void* addr, const void* basePtr,	5,518✔
211	const PointerInfo& ptrInfo, size_t* count,
212	size_t* offset) const {
213	const auto& basePtrInfo = ptrInfo;	5,518✔
214	size_t typeSize = type_database.getTypeSize(basePtrInfo.typeId);	5,518✔
215	if (basePtrInfo.typeId == TYPEART_VOID \|\| basePtrInfo.typeId == TYPEART_POINTER) {	5,518✔
216	// typeSize = 1;
217	}	81✔
218
219	// Check for exact match -> no further checks and offsets calculations needed
220	if (basePtr == addr) {	5,518✔
221	*count = ptrInfo.count;	4,356✔
222	*offset = 0;	4,356✔
223	return TYPEART_OK;	4,356✔
224	}
225
226	if (typeSize == 0) {	1,162✔
NEW 227	return TYPEART_ERROR;	×
228	}
229
230	// The address points inside a known array
231	const void* blockEnd = detail::add_byte_offset(basePtr, basePtrInfo.count * typeSize);	1,162✔
232
233	// Ensure that the given address is in bounds and points to the start of an element
234	if (addr >= blockEnd) {	1,162✔
235	const std::ptrdiff_t byte_offset_to_base = detail::substract_pointer(addr, basePtr);	430✔
236
237	const auto elements = byte_offset_to_base / typeSize;	430✔
238	const auto oob_index = elements - basePtrInfo.count + 1;	430✔
239	LOG_WARNING("Out of bounds for the lookup: (" << debug::toString(addr, basePtrInfo)	430✔
240	<< ") #Elements too far: " << oob_index);
241	return TYPEART_UNKNOWN_ADDRESS;	430✔
242	}	430✔
243
244	assert(addr >= basePtr && "Error in base address computation");	1,464✔
245
246	const std::ptrdiff_t addrDif = detail::substract_pointer(addr, basePtr);	732✔
247
248	// Offset of the pointer w.r.t. the start of the containing type
249	const size_t internalOffset = addrDif % typeSize;	732✔
250
251	// Array index
252	const size_t typeOffset = addrDif / typeSize;	732✔
253	const size_t typeCount = basePtrInfo.count - typeOffset;	732✔
254
255	// Retrieve and return type information
256	*count = typeCount;	732✔
257	*offset = internalOffset;	732✔
258	return TYPEART_OK;	732✔
259	}	5,518✔
260
261	TypeResolution::TypeArtStatus TypeResolution::getStructInfo(int type_id, const StructTypeInfo** structInfo) const {	216✔
262	// Requested ID must correspond to a struct
263	if (!type_database.isStructType(type_id)) {	216✔
264	return TYPEART_WRONG_KIND;	×
265	}
266
267	const auto* result = type_database.getStructInfo(type_id);	216✔
268
269	if (result != nullptr) {	216✔
270	*structInfo = result;	198✔
271	return TYPEART_OK;	198✔
272	}
273	return TYPEART_INVALID_ID;	18✔
274	}	216✔
275
276	const TypeDB& TypeResolution::db() const {	658,851✔
277	return type_database;	658,851✔
278	}
279
280	namespace detail {
281	inline typeart_status query_type(const void* addr, int* type, size_t* count) {	5,729✔
282	auto alloc = typeart::RuntimeSystem::get().allocTracker.findBaseAlloc(addr);	5,729✔
283	typeart::RuntimeSystem::get().recorder.incUsedInRequest(addr);	5,729✔
284	if (alloc) {	5,729✔
285	return typeart::RuntimeSystem::get().typeResolution.getTypeInfo(addr, alloc->first, alloc->second, type, count);	5,467✔
286	}
287	return TYPEART_UNKNOWN_ADDRESS;	262✔
288	}	5,729✔
289
290	inline typeart_status query_struct_layout(int type_id, typeart_struct_layout* struct_layout) {	216✔
291	const typeart::StructTypeInfo* struct_info;	216✔
292	typeart_status status = typeart::RuntimeSystem::get().typeResolution.getStructInfo(type_id, &struct_info);	216✔
293	if (status == TYPEART_OK) {	216✔
294	struct_layout->type_id = struct_info->type_id;	198✔
295	struct_layout->name = struct_info->name.c_str();	198✔
296	struct_layout->num_members = struct_info->num_members;	198✔
297	struct_layout->extent = struct_info->extent;	198✔
298	struct_layout->offsets = &struct_info->offsets[0];	198✔
299	struct_layout->member_types = &struct_info->member_types[0];	198✔
300	struct_layout->count = &struct_info->array_sizes[0];	198✔
301	} else {	198✔
302	struct_layout->type_id = std::numeric_limits<decltype(typeart_struct_layout::type_id)>::min();	18✔
303	struct_layout->name = "";	18✔
304	struct_layout->num_members = 0;	18✔
305	struct_layout->extent = 0;	18✔
306	struct_layout->offsets = nullptr;	18✔
307	struct_layout->member_types = nullptr;	18✔
308	struct_layout->count = nullptr;	18✔
309	}
310	return status;	216✔
311	}	216✔
312
313	char* string2char(std::string_view src) {	27✔
314	const void* ret_addr = __builtin_return_address(0);	27✔
315	const size_t source_length = src.size() + 1; // +1 for '\0'	27✔
316	char* string_copy = (char)malloc(sizeof(char) source_length);	27✔
317
318	if (string_copy == nullptr) {	27✔
319	return nullptr;	×
320	}
321
322	typeart::RuntimeSystem::get().allocTracker.onAlloc(string_copy, TYPEART_CHAR_8, source_length, ret_addr);	27✔
323
324	memcpy(string_copy, src.data(), source_length);	27✔
325
326	return string_copy;	27✔
327	}	27✔
328
329	} // namespace detail
330	} // namespace typeart
331
332	/**
333	* Runtime interface implementation
334	*
335	*/
336
337	typeart_status typeart_get_type(const void* addr, int* type_id, size_t* count) {	5,657✔
338	typeart::RTGuard guard;	5,657✔
339	return typeart::detail::query_type(addr, type_id, count);	5,657✔
340	}	5,657✔
341
342	typeart_status typeart_get_type_length(const void* addr, size_t* count) {	9✔
343	typeart::RTGuard guard;	9✔
344	int type{0};	9✔
345	return typeart::detail::query_type(addr, &type, count);	9✔
346	}	9✔
347
348	typeart_status typeart_get_type_id(const void* addr, int* type_id) {	54✔
349	typeart::RTGuard guard;	54✔
350	size_t count{0};	54✔
351	return typeart::detail::query_type(addr, type_id, &count);	54✔
352	}	54✔
353
354	typeart_status typeart_get_containing_type(const void* addr, int* type_id, size_t* count, const void** base_address,	51✔
355	size_t* byte_offset) {
356	typeart::RTGuard guard;	51✔
357	auto alloc = typeart::RuntimeSystem::get().allocTracker.findBaseAlloc(addr);	51✔
358	if (alloc) {	51✔
359	// auto& allocVal = alloc.value();
360	*type_id = alloc->second.typeId;	51✔
361	*base_address = alloc->first;	51✔
362	return typeart::RuntimeSystem::get().typeResolution.getContainingTypeInfo(addr, alloc->first, alloc->second, count,	51✔
363	byte_offset);	51✔
364	}
365	return TYPEART_UNKNOWN_ADDRESS;	×
366	}	51✔
367
368	typeart_status typeart_get_subtype(const void* base_addr, size_t offset, const typeart_struct_layout* container_layout,	36✔
369	int* subtype_id, const void** subtype_base_addr, size_t* subtype_byte_offset,
370	size_t* subtype_count) {
371	typeart::RTGuard guard;	36✔
372	auto status = typeart::RuntimeSystem::get().typeResolution.getSubTypeInfo(	36✔
373	base_addr, offset, *container_layout, subtype_id, subtype_base_addr, subtype_byte_offset, subtype_count);	36✔
374	return status;	36✔
375	}	36✔
376
377	typeart_status typeart_resolve_type_addr(const void* addr, typeart_struct_layout* struct_layout) {	9✔
378	typeart::RTGuard guard;	9✔
379	int type_id{0};	9✔
380	size_t size{0};	9✔
381	auto status = typeart::detail::query_type(addr, &type_id, &size);	9✔
382	if (status != TYPEART_OK) {	9✔
383	return status;	×
384	}
385	return typeart::detail::query_struct_layout(type_id, struct_layout);	9✔
386	}	9✔
387
388	typeart_status typeart_resolve_type_id(int type_id, typeart_struct_layout* struct_layout) {	207✔
389	typeart::RTGuard guard;	207✔
390	return typeart::detail::query_struct_layout(type_id, struct_layout);	207✔
391	}	207✔
392
393	typeart_status typeart_get_return_address(const void* addr, const void** return_addr) {	45✔
394	typeart::RTGuard guard;	45✔
395	auto alloc = typeart::RuntimeSystem::get().allocTracker.findBaseAlloc(addr);	45✔
396
397	if (alloc) {	45✔
398	*return_addr = alloc.value().second.debug;	36✔
399	return TYPEART_OK;	36✔
400	}
401	*return_addr = nullptr;	9✔
402	return TYPEART_UNKNOWN_ADDRESS;	9✔
403	}	45✔
404
405	typeart_status_t typeart_get_source_location(const void* addr, char file, char function, char** line) {	9✔
406	using namespace typeart::detail;
407	typeart::RTGuard guard;	9✔
408
409	auto source_loc = typeart::SourceLocation::create(addr);	9✔
410
411	if (source_loc) {	9✔
412	*file = string2char(source_loc->file);	9✔
413	*function = string2char(source_loc->function);	9✔
414	*line = string2char(source_loc->line);	9✔
415
416	if (file == nullptr \|\| function == nullptr \|\| *line == nullptr) {	9✔
417	return TYPEART_ERROR;	×
418	}
419
420	return TYPEART_OK;	9✔
421	}
422
423	return TYPEART_UNKNOWN_ADDRESS;	×
424	}	9✔
425
426	const char* typeart_get_type_name(int type_id) {	4,112✔
427	typeart::RTGuard guard;	4,112✔
428	return typeart::RuntimeSystem::get().typeResolution.db().getTypeName(type_id).c_str();	4,112✔
429	}	4,112✔
430
431	bool typeart_is_vector_type(int type_id) {	18✔
432	typeart::RTGuard guard;	18✔
433	return typeart::RuntimeSystem::get().typeResolution.db().isVectorType(type_id);	18✔
434	}	18✔
435
436	bool typeart_is_valid_type(int type_id) {	18✔
437	typeart::RTGuard guard;	18✔
438	return typeart::RuntimeSystem::get().typeResolution.db().isValid(type_id);	18✔
439	}	18✔
440
441	bool typeart_is_reserved_type(int type_id) {	18✔
442	typeart::RTGuard guard;	18✔
443	return typeart::RuntimeSystem::get().typeResolution.db().isReservedType(type_id);	18✔
444	}	18✔
445
446	bool typeart_is_builtin_type(int type_id) {	18✔
447	typeart::RTGuard guard;	18✔
448	return typeart::RuntimeSystem::get().typeResolution.db().isBuiltinType(type_id);	18✔
449	}	18✔
450
451	bool typeart_is_struct_type(int type_id) {	18✔
452	typeart::RTGuard guard;	18✔
453	return typeart::RuntimeSystem::get().typeResolution.db().isStructType(type_id);	18✔
454	}	18✔
455
456	bool typeart_is_userdefined_type(int type_id) {	18✔
457	typeart::RTGuard guard;	18✔
458	return typeart::RuntimeSystem::get().typeResolution.db().isUserDefinedType(type_id);	18✔
459	}	18✔
460
461	size_t typeart_get_type_size(int type_id) {	18✔
462	typeart::RTGuard guard;	18✔
463	return typeart::RuntimeSystem::get().typeResolution.db().getTypeSize(type_id);	18✔
464	}	18✔

tudasc / TypeART / 13528988609

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