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Removing code object static library (#865)

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* Removing static library build for codeobj library

* Moving codeobj library to amd_detail

* Formatting

* Formatting

* Adding findDW

* Adding libdw to common samples cmake
This commit is contained in:
Giovanni Lenzi Baraldi
2024-05-28 23:15:11 -03:00
committed by GitHub
parent 7201aa321e
commit a84c9fa7d4
22 changed files with 778 additions and 845 deletions
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source/lib/rocprofiler-sdk-codeobj/CMakeLists.txt
+9 -19
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@@ -18,28 +18,18 @@
set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "development")
set(CODEOBJ_PARSER_SOURCES code_printing.cpp disassembly.cpp)
add_library(rocprofiler-sdk-codeobj INTERFACE)
add_library(rocprofiler::rocprofiler-sdk-codeobj ALIAS rocprofiler-sdk-codeobj)
target_include_directories(
rocprofiler-sdk-codeobj
INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/source/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
add_library(rocprofiler-sdk-codeobj STATIC)
target_sources(rocprofiler-sdk-codeobj PRIVATE ${CODEOBJ_PARSER_SOURCES})
target_link_libraries(
rocprofiler-sdk-codeobj
PRIVATE rocprofiler::rocprofiler-amd-comgr rocprofiler::rocprofiler-dw
rocprofiler::rocprofiler-elf rocprofiler::rocprofiler-build-flags
rocprofiler::rocprofiler-common-library)
target_include_directories(rocprofiler-sdk-codeobj PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
set_target_properties(
rocprofiler-sdk-codeobj
PROPERTIES LIBRARY_OUTPUT_DIRECTORY
${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}/rocprofiler-sdk
POSITION_INDEPENDENT_CODE ON)
install(
TARGETS rocprofiler-sdk-codeobj
DESTINATION ${CMAKE_INSTALL_LIBDIR}
EXPORT rocprofiler-sdk-codeobj-targets)
INTERFACE rocprofiler::rocprofiler-amd-comgr rocprofiler::rocprofiler-dw
rocprofiler::rocprofiler-elf)
if(ROCPROFILER_BUILD_TESTS)
add_subdirectory(tests)
source/lib/rocprofiler-sdk-codeobj/LICENSE
-21
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@@ -1,21 +0,0 @@
MIT License
Copyright (c) 2024 AMD ROCm™ Software
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
source/lib/rocprofiler-sdk-codeobj/README.md
-1
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@@ -1 +0,0 @@
# rocprofiler-codeobj-parser
source/lib/rocprofiler-sdk-codeobj/code_printing.cpp
-286
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@@ -1,286 +0,0 @@
// MIT License
//
// Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#include <algorithm>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <map>
#include <memory>
#include <mutex>
#include <optional>
#include <string>
#include <type_traits>
#include <unordered_map>
#include <vector>
#include <rocprofiler-sdk-codeobj/code_printing.hpp>
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <cxxabi.h>
#include <elfutils/libdw.h>
#include <hsa/amd_hsa_elf.h>
#include <sys/mman.h>
#include <atomic>
#define C_API_BEGIN \
try \
{
#define C_API_END(returndata) \
} \
catch(std::exception & e) \
{ \
std::string s = e.what(); \
if(s.find("memory protocol not supported!") == std::string::npos) \
std::cerr << "Codeobj API lookup: " << e.what() << std::endl; \
return returndata; \
} \
catch(std::string & s) \
{ \
if(s.find("memory protocol not supported!") == std::string::npos) \
std::cerr << "Codeobj API lookup: " << s << std::endl; \
return returndata; \
} \
catch(...) { return returndata; }
namespace rocprofiler
{
namespace codeobj
{
namespace disassembly
{
CodeobjDecoderComponent::CodeobjDecoderComponent(const void* codeobj_data, uint64_t codeobj_size)
{
m_fd = -1;
#if defined(_GNU_SOURCE) && defined(MFD_ALLOW_SEALING) && defined(MFD_CLOEXEC)
m_fd = ::memfd_create(m_uri.c_str(), MFD_ALLOW_SEALING | MFD_CLOEXEC);
#endif
if(m_fd == -1) // If fail, attempt under /tmp
m_fd = ::open("/tmp", O_TMPFILE | O_RDWR, 0666);
if(m_fd == -1)
{
printf("could not create a temporary file for code object\n");
return;
}
if(size_t size = ::write(m_fd, (const char*) codeobj_data, codeobj_size); size != codeobj_size)
{
printf("could not write to the temporary file\n");
return;
}
::lseek(m_fd, 0, SEEK_SET);
fsync(m_fd);
m_line_number_map = {};
std::unique_ptr<Dwarf, void (*)(Dwarf*)> dbg(dwarf_begin(m_fd, DWARF_C_READ),
[](Dwarf* _dbg) { dwarf_end(_dbg); });
/*if (!dbg) {
rocprofiler::warning("Error opening Dwarf!\n");
return;
} */
if(dbg)
{
Dwarf_Off cu_offset{0}, next_offset;
size_t header_size;
std::unordered_set<uint64_t> used_addrs;
while(!dwarf_nextcu(
dbg.get(), cu_offset, &next_offset, &header_size, nullptr, nullptr, nullptr))
{
Dwarf_Die die;
if(!dwarf_offdie(dbg.get(), cu_offset + header_size, &die)) continue;
Dwarf_Lines* lines;
size_t line_count;
if(dwarf_getsrclines(&die, &lines, &line_count)) continue;
for(size_t i = 0; i < line_count; ++i)
{
Dwarf_Addr addr;
int line_number;
Dwarf_Line* line = dwarf_onesrcline(lines, i);
if(line && !dwarf_lineaddr(line, &addr) && !dwarf_lineno(line, &line_number) &&
line_number)
{
std::string src = dwarf_linesrc(line, nullptr, nullptr);
auto dwarf_line = src + ':' + std::to_string(line_number);
if(used_addrs.find(addr) != used_addrs.end())
{
size_t pos = m_line_number_map.lower_bound(addr);
m_line_number_map.data()[pos].str += ' ' + dwarf_line;
continue;
}
used_addrs.insert(addr);
m_line_number_map.insert(DSourceLine{addr, 0, std::move(dwarf_line)});
}
}
cu_offset = next_offset;
}
}
// Can throw
disassembly = std::make_unique<DisassemblyInstance>((const char*) codeobj_data, codeobj_size);
if(m_line_number_map.size())
{
size_t total_size = 0;
for(size_t i = 0; i < m_line_number_map.size() - 1; i++)
{
size_t s = m_line_number_map.get(i + 1).vaddr - m_line_number_map.get(i).vaddr;
m_line_number_map.data()[i].size = s;
total_size += s;
}
m_line_number_map.back().size = std::max(total_size, codeobj_size) - total_size;
}
try
{
m_symbol_map = disassembly->GetKernelMap(); // Can throw
} catch(...)
{}
// disassemble_kernels();
}
CodeobjDecoderComponent::~CodeobjDecoderComponent()
{
if(m_fd) ::close(m_fd);
}
std::shared_ptr<Instruction>
CodeobjDecoderComponent::disassemble_instruction(uint64_t faddr, uint64_t vaddr)
{
if(!disassembly) throw std::exception();
const char* cpp_line = nullptr;
try
{
const DSourceLine& it = m_line_number_map.find_obj(vaddr);
cpp_line = it.str.data();
} catch(...)
{}
auto pair = disassembly->ReadInstruction(faddr);
auto inst = std::make_shared<Instruction>(std::move(pair.first), pair.second);
inst->faddr = faddr;
inst->vaddr = vaddr;
if(cpp_line) inst->comment = cpp_line;
return inst;
}
LoadedCodeobjDecoder::LoadedCodeobjDecoder(const char* filepath,
uint64_t _load_addr,
uint64_t mem_size)
: load_addr(_load_addr)
, load_end(load_addr + mem_size)
{
if(!filepath) throw "Empty filepath.";
std::string_view fpath(filepath);
if(fpath.rfind(".out") + 4 == fpath.size())
{
std::ifstream file(filepath, std::ios::in | std::ios::binary);
if(!file.is_open()) throw "Invalid filename " + std::string(filepath);
std::vector<char> buffer;
file.seekg(0, file.end);
buffer.resize(file.tellg());
file.seekg(0, file.beg);
file.read(buffer.data(), buffer.size());
decoder = std::make_unique<CodeobjDecoderComponent>(buffer.data(), buffer.size());
}
else
{
std::unique_ptr<CodeObjectBinary> binary = std::make_unique<CodeObjectBinary>(filepath);
auto& buffer = binary->buffer;
decoder = std::make_unique<CodeobjDecoderComponent>(buffer.data(), buffer.size());
}
elf_segments = decoder->disassembly->getSegments();
}
LoadedCodeobjDecoder::LoadedCodeobjDecoder(const void* data,
size_t size,
uint64_t _load_addr,
uint64_t mem_size)
: load_addr(_load_addr)
, load_end(load_addr + mem_size)
{
decoder = std::make_unique<CodeobjDecoderComponent>(reinterpret_cast<const char*>(data), size);
elf_segments = decoder->disassembly->getSegments();
}
std::shared_ptr<Instruction>
LoadedCodeobjDecoder::add_to_map(uint64_t ld_addr)
{
if(!decoder || ld_addr < load_addr) throw std::out_of_range("Addr not in decoder");
uint64_t voffset = ld_addr - load_addr;
auto faddr = decoder->va2fo(voffset);
if(!faddr) throw std::out_of_range("Could not find file offset");
auto shared = decoder->disassemble_instruction(*faddr, voffset);
shared->ld_addr = ld_addr;
decoded_map[ld_addr] = shared;
return shared;
}
std::shared_ptr<Instruction>
LoadedCodeobjDecoder::get(uint64_t addr)
{
if(decoded_map.find(addr) != decoded_map.end()) return decoded_map[addr];
try
{
return add_to_map(addr);
} catch(std::exception& e)
{
std::cerr << e.what() << " at addr " << std::hex << addr << std::dec << std::endl;
}
throw std::out_of_range("Invalid address");
return nullptr;
}
} // namespace disassembly
} // namespace codeobj
} // namespace rocprofiler
source/lib/rocprofiler-sdk-codeobj/disassembly.cpp
-381
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@@ -1,381 +0,0 @@
// MIT License
//
// Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#if !defined(_GNU_SOURCE) || !defined(_XOPEN_SOURCE)
# define _XOPEN_SOURCE 700
#endif
#include <cxxabi.h>
#include <elf.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <algorithm>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <type_traits>
#include <unordered_map>
#include <vector>
#include <cassert>
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <hsa/amd_hsa_elf.h>
#include <rocprofiler-sdk-codeobj/code_printing.hpp>
#define THROW_COMGR(call) \
if(amd_comgr_status_s status = call) \
{ \
const char* reason = ""; \
amd_comgr_status_string(status, &reason); \
std::cerr << __FILE__ << ':' << __LINE__ << " code: " << status << " failed: " << reason \
<< std::endl; \
throw std::exception(); \
}
#define RETURN_COMGR(call) \
if(amd_comgr_status_s status = call) \
{ \
const char* reason = ""; \
amd_comgr_status_string(status, &reason); \
std::cerr << __FILE__ << ':' << __LINE__ << " code: " << status << " failed: " << reason \
<< std::endl; \
return AMD_COMGR_STATUS_ERROR; \
}
namespace rocprofiler
{
namespace codeobj
{
namespace disassembly
{
CodeObjectBinary::CodeObjectBinary(const std::string& uri)
: m_uri(uri)
{
const std::string protocol_delim{"://"};
size_t protocol_end = m_uri.find(protocol_delim);
std::string protocol = m_uri.substr(0, protocol_end);
protocol_end += protocol_delim.length();
std::transform(protocol.begin(), protocol.end(), protocol.begin(), [](unsigned char c) {
return std::tolower(c);
});
std::string path;
size_t path_end = m_uri.find_first_of("#?", protocol_end);
if(path_end != std::string::npos)
{
path = m_uri.substr(protocol_end, path_end++ - protocol_end);
}
else
{
path = m_uri.substr(protocol_end);
}
/* %-decode the string. */
std::string decoded_path;
decoded_path.reserve(path.length());
for(size_t i = 0; i < path.length(); ++i)
{
if(path[i] == '%' && std::isxdigit(path[i + 1]) && std::isxdigit(path[i + 2]))
{
decoded_path += std::stoi(path.substr(i + 1, 2), 0, 16);
i += 2;
}
else
{
decoded_path += path[i];
}
}
/* Tokenize the query/fragment. */
std::vector<std::string> tokens;
size_t pos, last = path_end;
while((pos = m_uri.find('&', last)) != std::string::npos)
{
tokens.emplace_back(m_uri.substr(last, pos - last));
last = pos + 1;
}
if(last != std::string::npos)
{
tokens.emplace_back(m_uri.substr(last));
}
/* Create a tag-value map from the tokenized query/fragment. */
std::unordered_map<std::string, std::string> params;
std::for_each(tokens.begin(), tokens.end(), [&](std::string& token) {
size_t delim = token.find('=');
if(delim != std::string::npos)
{
params.emplace(token.substr(0, delim), token.substr(delim + 1));
}
});
buffer = std::vector<char>{};
size_t offset = 0;
size_t size = 0;
if(auto offset_it = params.find("offset"); offset_it != params.end())
{
offset = std::stoul(offset_it->second, nullptr, 0);
}
if(auto size_it = params.find("size"); size_it != params.end())
{
if(!(size = std::stoul(size_it->second, nullptr, 0))) return;
}
if(protocol == "memory") throw protocol + " protocol not supported!";
std::ifstream file(decoded_path, std::ios::in | std::ios::binary);
if(!file || !file.is_open()) throw "could not open " + decoded_path;
if(!size)
{
file.ignore(std::numeric_limits<std::streamsize>::max());
size_t bytes = file.gcount();
file.clear();
if(bytes < offset) throw "invalid uri " + decoded_path + " (file size < offset)";
size = bytes - offset;
}
file.seekg(offset, std::ios_base::beg);
buffer.resize(size);
file.read(&buffer[0], size);
}
DisassemblyInstance::DisassemblyInstance(const char* codeobj_data, uint64_t codeobj_size)
{
buffer = std::vector<char>(codeobj_size, 0);
std::memcpy(buffer.data(), codeobj_data, codeobj_size);
THROW_COMGR(amd_comgr_create_data(AMD_COMGR_DATA_KIND_EXECUTABLE, &data));
THROW_COMGR(amd_comgr_set_data(data, buffer.size(), buffer.data()));
size_t isa_size = 128;
std::string input_isa{};
input_isa.resize(isa_size);
THROW_COMGR(amd_comgr_get_data_isa_name(data, &isa_size, input_isa.data()));
THROW_COMGR(amd_comgr_create_disassembly_info(
input_isa.data(),
&DisassemblyInstance::memory_callback,
&DisassemblyInstance::inst_callback,
[](uint64_t, void*) {},
&info));
}
amd_comgr_status_t
DisassemblyInstance::symbol_callback(amd_comgr_symbol_t symbol, void* user_data)
{
amd_comgr_symbol_type_t type;
RETURN_COMGR(amd_comgr_symbol_get_info(symbol, AMD_COMGR_SYMBOL_INFO_TYPE, &type));
if(type != AMD_COMGR_SYMBOL_TYPE_FUNC) return AMD_COMGR_STATUS_SUCCESS;
uint64_t vaddr = 0;
uint64_t mem_size = 0;
uint64_t name_size = 0;
RETURN_COMGR(amd_comgr_symbol_get_info(symbol, AMD_COMGR_SYMBOL_INFO_VALUE, &vaddr));
RETURN_COMGR(amd_comgr_symbol_get_info(symbol, AMD_COMGR_SYMBOL_INFO_SIZE, &mem_size));
RETURN_COMGR(amd_comgr_symbol_get_info(symbol, AMD_COMGR_SYMBOL_INFO_NAME_LENGTH, &name_size));
std::string name;
name.resize(name_size);
RETURN_COMGR(amd_comgr_symbol_get_info(symbol, AMD_COMGR_SYMBOL_INFO_NAME, name.data()));
DisassemblyInstance& instance = *static_cast<DisassemblyInstance*>(user_data);
std::optional<uint64_t> faddr = instance.va2fo(vaddr);
if(faddr) instance.symbol_map[vaddr] = {name, *faddr, vaddr, mem_size};
return AMD_COMGR_STATUS_SUCCESS;
}
std::map<uint64_t, SymbolInfo>&
DisassemblyInstance::GetKernelMap()
{
symbol_map = {};
THROW_COMGR(amd_comgr_iterate_symbols(data, &DisassemblyInstance::symbol_callback, this));
return symbol_map;
}
DisassemblyInstance::~DisassemblyInstance()
{
amd_comgr_release_data(data);
amd_comgr_destroy_disassembly_info(info);
}
std::pair<std::string, size_t>
DisassemblyInstance::ReadInstruction(uint64_t faddr)
{
uint64_t size_read;
uint64_t addr_in_buffer = reinterpret_cast<uint64_t>(buffer.data()) + faddr;
THROW_COMGR(amd_comgr_disassemble_instruction(info, addr_in_buffer, (void*) this, &size_read));
return {std::move(this->last_instruction), size_read};
}
uint64_t
DisassemblyInstance::memory_callback(uint64_t from, char* to, uint64_t size, void* user_data)
{
DisassemblyInstance& instance = *static_cast<DisassemblyInstance*>(user_data);
int64_t copysize = reinterpret_cast<int64_t>(instance.buffer.data()) + instance.buffer.size() -
static_cast<int64_t>(from);
copysize = std::min<int64_t>(size, copysize);
std::memcpy(to, (char*) from, copysize);
return copysize;
}
void
DisassemblyInstance::inst_callback(const char* instruction, void* user_data)
{
DisassemblyInstance& instance = *static_cast<DisassemblyInstance*>(user_data);
if(!instruction) return;
while(*instruction == '\t' || *instruction == ' ')
instruction++;
instance.last_instruction = instruction;
}
#define CHECK_VA2FO(x, msg) \
if(!(x)) \
{ \
std::cerr << __FILE__ << ' ' << __LINE__ << ' ' << msg << std::endl; \
return std::nullopt; \
}
// mem - input argument, start of the elf
// va - input argument, virtual address
// return file offset, if found
std::optional<uint64_t>
DisassemblyInstance::va2fo(uint64_t va)
{
CHECK_VA2FO(buffer.size() > sizeof(Elf64_Ehdr), "buffer is not large enough");
uint8_t* e_ident = (uint8_t*) buffer.data();
CHECK_VA2FO(e_ident, "e_ident is nullptr");
CHECK_VA2FO(e_ident[EI_MAG0] == ELFMAG0 || e_ident[EI_MAG1] == ELFMAG1 ||
e_ident[EI_MAG2] == ELFMAG2 || e_ident[EI_MAG3] == ELFMAG3,
"unexpected ei_mag");
CHECK_VA2FO(e_ident[EI_CLASS] == ELFCLASS64, "unexpected ei_class");
CHECK_VA2FO(e_ident[EI_DATA] == ELFDATA2LSB, "unexpected ei_data");
CHECK_VA2FO(e_ident[EI_VERSION] == EV_CURRENT, "unexpected ei_version");
CHECK_VA2FO(e_ident[EI_OSABI] == 64, "unexpected ei_osabi"); // ELFOSABI_AMDGPU_HSA
CHECK_VA2FO(e_ident[EI_ABIVERSION] == 2 || // ELFABIVERSION_AMDGPU_HSA_V4
e_ident[EI_ABIVERSION] == 3,
"unexpected ei_abiversion"); // ELFABIVERSION_AMDGPU_HSA_V5
Elf64_Ehdr* ehdr = (Elf64_Ehdr*) buffer.data();
CHECK_VA2FO(ehdr, "ehdr is nullptr");
CHECK_VA2FO(ehdr->e_type == ET_DYN, "unexpected e_type");
CHECK_VA2FO(ehdr->e_machine == ELF::EM_AMDGPU, "unexpected e_machine");
CHECK_VA2FO(ehdr->e_phoff != 0, "unexpected e_phoff");
CHECK_VA2FO(buffer.size() > ehdr->e_phoff + sizeof(Elf64_Phdr), "buffer is not large enough");
Elf64_Phdr* phdr = (Elf64_Phdr*) ((uint8_t*) buffer.data() + ehdr->e_phoff);
CHECK_VA2FO(phdr, "phdr is nullptr");
for(uint16_t i = 0; i < ehdr->e_phnum; ++i)
{
if(phdr[i].p_type != PT_LOAD) continue;
if(va < phdr[i].p_vaddr || va >= (phdr[i].p_vaddr + phdr[i].p_memsz)) continue;
return va + phdr[i].p_offset - phdr[i].p_vaddr;
}
return std::nullopt;
}
#undef CHECK_VA2FO
#define CHECK_VA2FO(x, msg) \
if(!(x)) \
{ \
std::cerr << __FILE__ << ' ' << __LINE__ << ' ' << msg << std::endl; \
return {}; \
}
std::vector<std::pair<uint64_t, uint64_t>>
DisassemblyInstance::getSegments()
{
CHECK_VA2FO(buffer.size() > sizeof(Elf64_Ehdr), "buffer is not large enough");
uint8_t* e_ident = (uint8_t*) buffer.data();
CHECK_VA2FO(e_ident, "e_ident is nullptr");
CHECK_VA2FO(e_ident[EI_MAG0] == ELFMAG0 || e_ident[EI_MAG1] == ELFMAG1 ||
e_ident[EI_MAG2] == ELFMAG2 || e_ident[EI_MAG3] == ELFMAG3,
"unexpected ei_mag");
CHECK_VA2FO(e_ident[EI_CLASS] == ELFCLASS64, "unexpected ei_class");
CHECK_VA2FO(e_ident[EI_DATA] == ELFDATA2LSB, "unexpected ei_data");
CHECK_VA2FO(e_ident[EI_VERSION] == EV_CURRENT, "unexpected ei_version");
CHECK_VA2FO(e_ident[EI_OSABI] == 64, "unexpected ei_osabi"); // ELFOSABI_AMDGPU_HSA
CHECK_VA2FO(e_ident[EI_ABIVERSION] == 2 || // ELFABIVERSION_AMDGPU_HSA_V4
e_ident[EI_ABIVERSION] == 3,
"unexpected ei_abiversion"); // ELFABIVERSION_AMDGPU_HSA_V5
Elf64_Ehdr* ehdr = (Elf64_Ehdr*) buffer.data();
CHECK_VA2FO(ehdr, "ehdr is nullptr");
CHECK_VA2FO(ehdr->e_type == ET_DYN, "unexpected e_type");
CHECK_VA2FO(ehdr->e_machine == ELF::EM_AMDGPU, "unexpected e_machine");
CHECK_VA2FO(ehdr->e_phoff != 0, "unexpected e_phoff");
CHECK_VA2FO(buffer.size() > ehdr->e_phoff + sizeof(Elf64_Phdr), "buffer is not large enough");
Elf64_Phdr* phdr = (Elf64_Phdr*) ((uint8_t*) buffer.data() + ehdr->e_phoff);
CHECK_VA2FO(phdr, "phdr is nullptr");
std::vector<std::pair<uint64_t, uint64_t>> segments;
for(Elf64_Half i = 0; i < ehdr->e_phnum; ++i)
{
if(phdr[i].p_type != PT_LOAD) continue;
segments.push_back({phdr[i].p_vaddr - phdr[i].p_offset, phdr[i].p_memsz});
}
return segments;
}
} // namespace disassembly
} // namespace codeobj
} // namespace rocprofiler
source/lib/rocprofiler-sdk-codeobj/tests/CMakeLists.txt
+1 -1
View File
@@ -15,7 +15,7 @@ target_link_libraries(
rocprofiler::rocprofiler-common-library
GTest::gtest
GTest::gtest_main
rocprofiler-sdk-codeobj)
rocprofiler::rocprofiler-sdk-codeobj)
gtest_add_tests(
TARGET codeobj-library-test
source/lib/rocprofiler-sdk-codeobj/tests/codeobj_library_test.cpp
+1 -1
View File
@@ -23,7 +23,7 @@
#include <glog/logging.h>
#include <gtest/gtest.h>
#include <fstream>
#include <rocprofiler-sdk-codeobj/code_printing.hpp>
#include <rocprofiler-sdk/amd_detail/rocprofiler-sdk-codeobj/code_printing.hpp>
#include <string_view>
#include <vector>