diff options
Diffstat (limited to 'Python/remote_debug.h')
| -rw-r--r-- | Python/remote_debug.h | 793 |
1 files changed, 793 insertions, 0 deletions
diff --git a/Python/remote_debug.h b/Python/remote_debug.h new file mode 100644 index 0000000..ba29ec5 --- /dev/null +++ b/Python/remote_debug.h @@ -0,0 +1,793 @@ +/* +IMPORTANT: This header file is full of static functions that are not exported. + +The reason is that we don't want to export these functions to the Python API +and they can be used both for the interpreter and some shared libraries. The +reason we don't want to export them is to avoid having them participating in +return-oriented programming attacks. + +If you need to add a new function ensure that is declared 'static'. +*/ + +#ifdef __cplusplus +extern "C" { +#endif + +#if !defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE) +# error "this header requires Py_BUILD_CORE or Py_BUILD_CORE_MODULE define" +#endif + +#include "pyconfig.h" +#include "internal/pycore_ceval.h" + +#ifdef __linux__ +# include <elf.h> +# include <sys/uio.h> +# if INTPTR_MAX == INT64_MAX +# define Elf_Ehdr Elf64_Ehdr +# define Elf_Shdr Elf64_Shdr +# define Elf_Phdr Elf64_Phdr +# else +# define Elf_Ehdr Elf32_Ehdr +# define Elf_Shdr Elf32_Shdr +# define Elf_Phdr Elf32_Phdr +# endif +# include <sys/mman.h> +#endif + +#if defined(__APPLE__) && TARGET_OS_OSX +# include <libproc.h> +# include <mach-o/fat.h> +# include <mach-o/loader.h> +# include <mach-o/nlist.h> +# include <mach/mach.h> +# include <mach/mach_vm.h> +# include <mach/machine.h> +# include <sys/mman.h> +# include <sys/proc.h> +# include <sys/sysctl.h> +#endif + +#ifdef MS_WINDOWS + // Windows includes and definitions +#include <windows.h> +#include <psapi.h> +#include <tlhelp32.h> +#endif + +#include <errno.h> +#include <fcntl.h> +#include <stddef.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifndef MS_WINDOWS +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> +#endif + +#ifndef HAVE_PROCESS_VM_READV +# define HAVE_PROCESS_VM_READV 0 +#endif + +// Define a platform-independent process handle structure +typedef struct { + pid_t pid; +#ifdef MS_WINDOWS + HANDLE hProcess; +#endif +} proc_handle_t; + +// Initialize the process handle +static int +_Py_RemoteDebug_InitProcHandle(proc_handle_t *handle, pid_t pid) { + handle->pid = pid; +#ifdef MS_WINDOWS + handle->hProcess = OpenProcess( + PROCESS_VM_READ | PROCESS_VM_WRITE | PROCESS_VM_OPERATION | PROCESS_QUERY_INFORMATION, + FALSE, pid); + if (handle->hProcess == NULL) { + PyErr_SetFromWindowsErr(0); + return -1; + } +#endif + return 0; +} + +// Clean up the process handle +static void +_Py_RemoteDebug_CleanupProcHandle(proc_handle_t *handle) { +#ifdef MS_WINDOWS + if (handle->hProcess != NULL) { + CloseHandle(handle->hProcess); + handle->hProcess = NULL; + } +#endif + handle->pid = 0; +} + +#if defined(__APPLE__) && TARGET_OS_OSX + +static uintptr_t +return_section_address64( + const char* section, + mach_port_t proc_ref, + uintptr_t base, + void* map +) { + struct mach_header_64* hdr = (struct mach_header_64*)map; + int ncmds = hdr->ncmds; + + int cmd_cnt = 0; + struct segment_command_64* cmd = map + sizeof(struct mach_header_64); + + mach_vm_size_t size = 0; + mach_msg_type_number_t count = sizeof(vm_region_basic_info_data_64_t); + mach_vm_address_t address = (mach_vm_address_t)base; + vm_region_basic_info_data_64_t r_info; + mach_port_t object_name; + uintptr_t vmaddr = 0; + + for (int i = 0; cmd_cnt < 2 && i < ncmds; i++) { + if (cmd->cmd == LC_SEGMENT_64 && strcmp(cmd->segname, "__TEXT") == 0) { + vmaddr = cmd->vmaddr; + } + if (cmd->cmd == LC_SEGMENT_64 && strcmp(cmd->segname, "__DATA") == 0) { + while (cmd->filesize != size) { + address += size; + kern_return_t ret = mach_vm_region( + proc_ref, + &address, + &size, + VM_REGION_BASIC_INFO_64, + (vm_region_info_t)&r_info, // cppcheck-suppress [uninitvar] + &count, + &object_name + ); + if (ret != KERN_SUCCESS) { + PyErr_SetString( + PyExc_RuntimeError, "Cannot get any more VM maps.\n"); + return 0; + } + } + + int nsects = cmd->nsects; + struct section_64* sec = (struct section_64*)( + (void*)cmd + sizeof(struct segment_command_64) + ); + for (int j = 0; j < nsects; j++) { + if (strcmp(sec[j].sectname, section) == 0) { + return base + sec[j].addr - vmaddr; + } + } + cmd_cnt++; + } + + cmd = (struct segment_command_64*)((void*)cmd + cmd->cmdsize); + } + + // We should not be here, but if we are there, we should say about this + PyErr_SetString( + PyExc_RuntimeError, "Cannot find section address.\n"); + return 0; +} + +static uintptr_t +return_section_address32( + const char* section, + mach_port_t proc_ref, + uintptr_t base, + void* map +) { + struct mach_header* hdr = (struct mach_header*)map; + int ncmds = hdr->ncmds; + + int cmd_cnt = 0; + struct segment_command* cmd = map + sizeof(struct mach_header); + + mach_vm_size_t size = 0; + mach_msg_type_number_t count = sizeof(vm_region_basic_info_data_t); + mach_vm_address_t address = (mach_vm_address_t)base; + vm_region_basic_info_data_t r_info; + mach_port_t object_name; + uintptr_t vmaddr = 0; + + for (int i = 0; cmd_cnt < 2 && i < ncmds; i++) { + if (cmd->cmd == LC_SEGMENT && strcmp(cmd->segname, "__TEXT") == 0) { + vmaddr = cmd->vmaddr; + } + if (cmd->cmd == LC_SEGMENT && strcmp(cmd->segname, "__DATA") == 0) { + while (cmd->filesize != size) { + address += size; + kern_return_t ret = mach_vm_region( + proc_ref, + &address, + &size, + VM_REGION_BASIC_INFO, + (vm_region_info_t)&r_info, // cppcheck-suppress [uninitvar] + &count, + &object_name + ); + if (ret != KERN_SUCCESS) { + PyErr_SetString( + PyExc_RuntimeError, "Cannot get any more VM maps.\n"); + return 0; + } + } + + int nsects = cmd->nsects; + struct section* sec = (struct section*)( + (void*)cmd + sizeof(struct segment_command) + ); + for (int j = 0; j < nsects; j++) { + if (strcmp(sec[j].sectname, section) == 0) { + return base + sec[j].addr - vmaddr; + } + } + cmd_cnt++; + } + + cmd = (struct segment_command*)((void*)cmd + cmd->cmdsize); + } + + // We should not be here, but if we are there, we should say about this + PyErr_SetString( + PyExc_RuntimeError, "Cannot find section address.\n"); + return 0; +} + +static uintptr_t +return_section_address_fat( + const char* section, + mach_port_t proc_ref, + uintptr_t base, + void* map +) { + struct fat_header* fat_hdr = (struct fat_header*)map; + + // Determine host CPU type for architecture selection + cpu_type_t cpu; + int is_abi64; + size_t cpu_size = sizeof(cpu), abi64_size = sizeof(is_abi64); + + sysctlbyname("hw.cputype", &cpu, &cpu_size, NULL, 0); + sysctlbyname("hw.cpu64bit_capable", &is_abi64, &abi64_size, NULL, 0); + + cpu |= is_abi64 * CPU_ARCH_ABI64; + + // Check endianness + int swap = fat_hdr->magic == FAT_CIGAM; + struct fat_arch* arch = (struct fat_arch*)(map + sizeof(struct fat_header)); + + // Get number of architectures in fat binary + uint32_t nfat_arch = swap ? __builtin_bswap32(fat_hdr->nfat_arch) : fat_hdr->nfat_arch; + + // Search for matching architecture + for (uint32_t i = 0; i < nfat_arch; i++) { + cpu_type_t arch_cpu = swap ? __builtin_bswap32(arch[i].cputype) : arch[i].cputype; + + if (arch_cpu == cpu) { + // Found matching architecture, now process it + uint32_t offset = swap ? __builtin_bswap32(arch[i].offset) : arch[i].offset; + struct mach_header_64* hdr = (struct mach_header_64*)(map + offset); + + // Determine which type of Mach-O it is and process accordingly + switch (hdr->magic) { + case MH_MAGIC: + case MH_CIGAM: + return return_section_address32(section, proc_ref, base, (void*)hdr); + + case MH_MAGIC_64: + case MH_CIGAM_64: + return return_section_address64(section, proc_ref, base, (void*)hdr); + + default: + PyErr_SetString(PyExc_RuntimeError, "Unknown Mach-O magic in fat binary.\n"); + return 0; + } + } + } + + PyErr_SetString(PyExc_RuntimeError, "No matching architecture found in fat binary.\n"); + return 0; +} + +static uintptr_t +search_section_in_file(const char* secname, char* path, uintptr_t base, mach_vm_size_t size, mach_port_t proc_ref) +{ + int fd = open(path, O_RDONLY); + if (fd == -1) { + PyErr_Format(PyExc_RuntimeError, "Cannot open binary %s\n", path); + return 0; + } + + struct stat fs; + if (fstat(fd, &fs) == -1) { + PyErr_Format(PyExc_RuntimeError, "Cannot get size of binary %s\n", path); + close(fd); + return 0; + } + + void* map = mmap(0, fs.st_size, PROT_READ, MAP_SHARED, fd, 0); + if (map == MAP_FAILED) { + PyErr_Format(PyExc_RuntimeError, "Cannot map binary %s\n", path); + close(fd); + return 0; + } + + uintptr_t result = 0; + uint32_t magic = *(uint32_t*)map; + + switch (magic) { + case MH_MAGIC: + case MH_CIGAM: + result = return_section_address32(secname, proc_ref, base, map); + break; + case MH_MAGIC_64: + case MH_CIGAM_64: + result = return_section_address64(secname, proc_ref, base, map); + break; + case FAT_MAGIC: + case FAT_CIGAM: + result = return_section_address_fat(secname, proc_ref, base, map); + break; + default: + PyErr_SetString(PyExc_RuntimeError, "Unknown Mach-O magic"); + break; + } + + munmap(map, fs.st_size); + if (close(fd) != 0) { + PyErr_SetFromErrno(PyExc_OSError); + } + return result; +} + + +static mach_port_t +pid_to_task(pid_t pid) +{ + mach_port_t task; + kern_return_t result; + + result = task_for_pid(mach_task_self(), pid, &task); + if (result != KERN_SUCCESS) { + PyErr_Format(PyExc_PermissionError, "Cannot get task for PID %d", pid); + return 0; + } + return task; +} + +static uintptr_t +search_map_for_section(proc_handle_t *handle, const char* secname, const char* substr) { + mach_vm_address_t address = 0; + mach_vm_size_t size = 0; + mach_msg_type_number_t count = sizeof(vm_region_basic_info_data_64_t); + vm_region_basic_info_data_64_t region_info; + mach_port_t object_name; + + mach_port_t proc_ref = pid_to_task(handle->pid); + if (proc_ref == 0) { + PyErr_SetString(PyExc_PermissionError, "Cannot get task for PID"); + return 0; + } + + int match_found = 0; + char map_filename[MAXPATHLEN + 1]; + while (mach_vm_region( + proc_ref, + &address, + &size, + VM_REGION_BASIC_INFO_64, + (vm_region_info_t)®ion_info, + &count, + &object_name) == KERN_SUCCESS) + { + if ((region_info.protection & VM_PROT_READ) == 0 + || (region_info.protection & VM_PROT_EXECUTE) == 0) { + address += size; + continue; + } + + int path_len = proc_regionfilename( + handle->pid, address, map_filename, MAXPATHLEN); + if (path_len == 0) { + address += size; + continue; + } + + char* filename = strrchr(map_filename, '/'); + if (filename != NULL) { + filename++; // Move past the '/' + } else { + filename = map_filename; // No path, use the whole string + } + + if (!match_found && strncmp(filename, substr, strlen(substr)) == 0) { + match_found = 1; + return search_section_in_file( + secname, map_filename, address, size, proc_ref); + } + + address += size; + } + + PyErr_SetString(PyExc_RuntimeError, + "mach_vm_region failed to find the section"); + return 0; +} + +#endif // (__APPLE__ && TARGET_OS_OSX) + +#if defined(__linux__) && HAVE_PROCESS_VM_READV +static uintptr_t +search_elf_file_for_section( + proc_handle_t *handle, + const char* secname, + uintptr_t start_address, + const char *elf_file) +{ + if (start_address == 0) { + return 0; + } + + uintptr_t result = 0; + void* file_memory = NULL; + + int fd = open(elf_file, O_RDONLY); + if (fd < 0) { + PyErr_SetFromErrno(PyExc_OSError); + goto exit; + } + + struct stat file_stats; + if (fstat(fd, &file_stats) != 0) { + PyErr_SetFromErrno(PyExc_OSError); + goto exit; + } + + file_memory = mmap(NULL, file_stats.st_size, PROT_READ, MAP_PRIVATE, fd, 0); + if (file_memory == MAP_FAILED) { + PyErr_SetFromErrno(PyExc_OSError); + goto exit; + } + + Elf_Ehdr* elf_header = (Elf_Ehdr*)file_memory; + + Elf_Shdr* section_header_table = (Elf_Shdr*)(file_memory + elf_header->e_shoff); + + Elf_Shdr* shstrtab_section = §ion_header_table[elf_header->e_shstrndx]; + char* shstrtab = (char*)(file_memory + shstrtab_section->sh_offset); + + Elf_Shdr* section = NULL; + for (int i = 0; i < elf_header->e_shnum; i++) { + char* this_sec_name = shstrtab + section_header_table[i].sh_name; + // Move 1 character to account for the leading "." + this_sec_name += 1; + if (strcmp(secname, this_sec_name) == 0) { + section = §ion_header_table[i]; + break; + } + } + + Elf_Phdr* program_header_table = (Elf_Phdr*)(file_memory + elf_header->e_phoff); + // Find the first PT_LOAD segment + Elf_Phdr* first_load_segment = NULL; + for (int i = 0; i < elf_header->e_phnum; i++) { + if (program_header_table[i].p_type == PT_LOAD) { + first_load_segment = &program_header_table[i]; + break; + } + } + + if (section != NULL && first_load_segment != NULL) { + uintptr_t elf_load_addr = first_load_segment->p_vaddr + - (first_load_segment->p_vaddr % first_load_segment->p_align); + result = start_address + (uintptr_t)section->sh_addr - elf_load_addr; + } + +exit: + if (file_memory != NULL) { + munmap(file_memory, file_stats.st_size); + } + if (fd >= 0 && close(fd) != 0) { + PyErr_SetFromErrno(PyExc_OSError); + } + return result; +} + +static uintptr_t +search_linux_map_for_section(proc_handle_t *handle, const char* secname, const char* substr) +{ + char maps_file_path[64]; + sprintf(maps_file_path, "/proc/%d/maps", handle->pid); + + FILE* maps_file = fopen(maps_file_path, "r"); + if (maps_file == NULL) { + PyErr_SetFromErrno(PyExc_OSError); + return 0; + } + + size_t linelen = 0; + size_t linesz = PATH_MAX; + char *line = PyMem_Malloc(linesz); + if (!line) { + fclose(maps_file); + PyErr_NoMemory(); + return 0; + } + + uintptr_t retval = 0; + while (fgets(line + linelen, linesz - linelen, maps_file) != NULL) { + linelen = strlen(line); + if (line[linelen - 1] != '\n') { + // Read a partial line: realloc and keep reading where we left off. + // Note that even the last line will be terminated by a newline. + linesz *= 2; + char *biggerline = PyMem_Realloc(line, linesz); + if (!biggerline) { + PyMem_Free(line); + fclose(maps_file); + PyErr_NoMemory(); + return 0; + } + line = biggerline; + continue; + } + + // Read a full line: strip the newline + line[linelen - 1] = '\0'; + // and prepare to read the next line into the start of the buffer. + linelen = 0; + + unsigned long start = 0; + unsigned long path_pos = 0; + sscanf(line, "%lx-%*x %*s %*s %*s %*s %ln", &start, &path_pos); + + if (!path_pos) { + // Line didn't match our format string. This shouldn't be + // possible, but let's be defensive and skip the line. + continue; + } + + const char *path = line + path_pos; + const char *filename = strrchr(path, '/'); + if (filename) { + filename++; // Move past the '/' + } else { + filename = path; // No directories, or an empty string + } + + if (strstr(filename, substr)) { + retval = search_elf_file_for_section(handle, secname, start, path); + if (retval) { + break; + } + } + } + + PyMem_Free(line); + fclose(maps_file); + + return retval; +} + + +#endif // __linux__ + +#ifdef MS_WINDOWS + +static void* analyze_pe(const wchar_t* mod_path, BYTE* remote_base, const char* secname) { + HANDLE hFile = CreateFileW(mod_path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); + if (hFile == INVALID_HANDLE_VALUE) { + PyErr_SetFromWindowsErr(0); + return NULL; + } + HANDLE hMap = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, 0); + if (!hMap) { + PyErr_SetFromWindowsErr(0); + CloseHandle(hFile); + return NULL; + } + + BYTE* mapView = (BYTE*)MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0); + if (!mapView) { + PyErr_SetFromWindowsErr(0); + CloseHandle(hMap); + CloseHandle(hFile); + return NULL; + } + + IMAGE_DOS_HEADER* pDOSHeader = (IMAGE_DOS_HEADER*)mapView; + if (pDOSHeader->e_magic != IMAGE_DOS_SIGNATURE) { + PyErr_SetString(PyExc_RuntimeError, "Invalid DOS signature."); + UnmapViewOfFile(mapView); + CloseHandle(hMap); + CloseHandle(hFile); + return NULL; + } + + IMAGE_NT_HEADERS* pNTHeaders = (IMAGE_NT_HEADERS*)(mapView + pDOSHeader->e_lfanew); + if (pNTHeaders->Signature != IMAGE_NT_SIGNATURE) { + PyErr_SetString(PyExc_RuntimeError, "Invalid NT signature."); + UnmapViewOfFile(mapView); + CloseHandle(hMap); + CloseHandle(hFile); + return NULL; + } + + IMAGE_SECTION_HEADER* pSection_header = (IMAGE_SECTION_HEADER*)(mapView + pDOSHeader->e_lfanew + sizeof(IMAGE_NT_HEADERS)); + void* runtime_addr = NULL; + + for (int i = 0; i < pNTHeaders->FileHeader.NumberOfSections; i++) { + const char* name = (const char*)pSection_header[i].Name; + if (strncmp(name, secname, IMAGE_SIZEOF_SHORT_NAME) == 0) { + runtime_addr = remote_base + pSection_header[i].VirtualAddress; + break; + } + } + + UnmapViewOfFile(mapView); + CloseHandle(hMap); + CloseHandle(hFile); + + return runtime_addr; +} + + +static uintptr_t +search_windows_map_for_section(proc_handle_t* handle, const char* secname, const wchar_t* substr) { + HANDLE hProcSnap; + do { + hProcSnap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, handle->pid); + } while (hProcSnap == INVALID_HANDLE_VALUE && GetLastError() == ERROR_BAD_LENGTH); + + if (hProcSnap == INVALID_HANDLE_VALUE) { + PyErr_SetString(PyExc_PermissionError, "Unable to create module snapshot. Check permissions or PID."); + return 0; + } + + MODULEENTRY32W moduleEntry; + moduleEntry.dwSize = sizeof(moduleEntry); + void* runtime_addr = NULL; + + for (BOOL hasModule = Module32FirstW(hProcSnap, &moduleEntry); hasModule; hasModule = Module32NextW(hProcSnap, &moduleEntry)) { + // Look for either python executable or DLL + if (wcsstr(moduleEntry.szModule, substr)) { + runtime_addr = analyze_pe(moduleEntry.szExePath, moduleEntry.modBaseAddr, secname); + if (runtime_addr != NULL) { + break; + } + } + } + + CloseHandle(hProcSnap); + return (uintptr_t)runtime_addr; +} + +#endif // MS_WINDOWS + +// Get the PyRuntime section address for any platform +static uintptr_t +_Py_RemoteDebug_GetPyRuntimeAddress(proc_handle_t* handle) +{ + uintptr_t address = 0; + +#ifdef MS_WINDOWS + // On Windows, search for 'python' in executable or DLL + address = search_windows_map_for_section(handle, "PyRuntime", L"python"); + if (address == 0) { + // Error out: 'python' substring covers both executable and DLL + PyErr_SetString(PyExc_RuntimeError, "Failed to find the PyRuntime section in the process."); + } +#elif defined(__linux__) + // On Linux, search for 'python' in executable or DLL + address = search_linux_map_for_section(handle, "PyRuntime", "python"); + if (address == 0) { + // Error out: 'python' substring covers both executable and DLL + PyErr_SetString(PyExc_RuntimeError, "Failed to find the PyRuntime section in the process."); + } +#else + // On macOS, try libpython first, then fall back to python + address = search_map_for_section(handle, "PyRuntime", "libpython"); + if (address == 0) { + // TODO: Differentiate between not found and error + PyErr_Clear(); + address = search_map_for_section(handle, "PyRuntime", "python"); + } +#endif + + return address; +} + +// Platform-independent memory read function +static int +_Py_RemoteDebug_ReadRemoteMemory(proc_handle_t *handle, uintptr_t remote_address, size_t len, void* dst) +{ +#ifdef MS_WINDOWS + SIZE_T read_bytes = 0; + SIZE_T result = 0; + do { + if (!ReadProcessMemory(handle->hProcess, (LPCVOID)(remote_address + result), (char*)dst + result, len - result, &read_bytes)) { + PyErr_SetFromWindowsErr(0); + return -1; + } + result += read_bytes; + } while (result < len); + return 0; +#elif defined(__linux__) && HAVE_PROCESS_VM_READV + struct iovec local[1]; + struct iovec remote[1]; + Py_ssize_t result = 0; + Py_ssize_t read_bytes = 0; + + do { + local[0].iov_base = (char*)dst + result; + local[0].iov_len = len - result; + remote[0].iov_base = (void*)(remote_address + result); + remote[0].iov_len = len - result; + + read_bytes = process_vm_readv(handle->pid, local, 1, remote, 1, 0); + if (read_bytes < 0) { + PyErr_SetFromErrno(PyExc_OSError); + return -1; + } + + result += read_bytes; + } while ((size_t)read_bytes != local[0].iov_len); + return 0; +#elif defined(__APPLE__) && TARGET_OS_OSX + Py_ssize_t result = -1; + kern_return_t kr = mach_vm_read_overwrite( + pid_to_task(handle->pid), + (mach_vm_address_t)remote_address, + len, + (mach_vm_address_t)dst, + (mach_vm_size_t*)&result); + + if (kr != KERN_SUCCESS) { + switch (kr) { + case KERN_PROTECTION_FAILURE: + PyErr_SetString(PyExc_PermissionError, "Not enough permissions to read memory"); + break; + case KERN_INVALID_ARGUMENT: + PyErr_SetString(PyExc_PermissionError, "Invalid argument to mach_vm_read_overwrite"); + break; + default: + PyErr_SetString(PyExc_RuntimeError, "Unknown error reading memory"); + } + return -1; + } + return 0; +#else + Py_UNREACHABLE(); +#endif +} + +static int +_Py_RemoteDebug_ReadDebugOffsets( + proc_handle_t *handle, + uintptr_t *runtime_start_address, + _Py_DebugOffsets* debug_offsets +) { + *runtime_start_address = _Py_RemoteDebug_GetPyRuntimeAddress(handle); + if (!*runtime_start_address) { + if (!PyErr_Occurred()) { + PyErr_SetString( + PyExc_RuntimeError, "Failed to get PyRuntime address"); + } + return -1; + } + size_t size = sizeof(struct _Py_DebugOffsets); + if (0 != _Py_RemoteDebug_ReadRemoteMemory(handle, *runtime_start_address, size, debug_offsets)) { + return -1; + } + return 0; +} + +#ifdef __cplusplus +} +#endif
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