Movatterモバイル変換

[0]ホーム
URL:

Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

 Sign up
Appearance settings

gh-91048: Refactor _testexternalinspection and add Windows support#132852

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to ourterms of service andprivacy statement. We’ll occasionally send you account related emails.

Already on GitHub?Sign in to your account

Merged
pablogsal merged 10 commits intopython:mainfrompablogsal:gh-91048-2
Apr 25, 2025
Merged
Show file tree
Hide file tree
Changes from1 commit
Commits
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
PrevPrevious commit
NextNext commit
remove write function
Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
  • Loading branch information
@pablogsal
pablogsal committedApr 25, 2025
commitfb069ed99ef7f58891e1b0987bf9eef81e37bdc1
3 changes: 0 additions & 3 deletionsInclude/internal/pycore_remote_debug.h
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -37,9 +37,6 @@ PyAPI_FUNC(uintptr_t) _Py_RemoteDebug_GetAsyncioDebugAddress(proc_handle_t *hand
// Read memory from a remote process
PyAPI_FUNC(int) _Py_RemoteDebug_ReadRemoteMemory(proc_handle_t *handle, uintptr_t remote_address, size_t len, void* dst);

// Write memory to a remote process
PyAPI_FUNC(int) _Py_RemoteDebug_WriteRemoteMemory(proc_handle_t *handle, uintptr_t remote_address, size_t len, const void* src);

// Read debug offsets from a remote process
PyAPI_FUNC(int) _Py_RemoteDebug_ReadDebugOffsets(proc_handle_t *handle, uintptr_t *runtime_start_address, _Py_DebugOffsets* debug_offsets);

Expand Down
119 changes: 56 additions & 63 deletionsPython/remote_debugging.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -80,7 +80,62 @@ read_memory(proc_handle_t *handle, uint64_t remote_address, size_t len, void* ds
static int
write_memory(proc_handle_t *handle, uintptr_t remote_address, size_t len, const void* src)
{
return _Py_RemoteDebug_WriteRemoteMemory(handle, remote_address, len, src);
#ifdef MS_WINDOWS
SIZE_T written = 0;
SIZE_T result = 0;
do {
if (!WriteProcessMemory(handle->hProcess, (LPVOID)(remote_address + result), (const char*)src + result, len - result, &written)) {
PyErr_SetFromWindowsErr(0);
return -1;
}
result += written;
} 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 written = 0;

do {
local[0].iov_base = (void*)((char*)src + result);
local[0].iov_len = len - result;
remote[0].iov_base = (void*)((char*)remote_address + result);
remote[0].iov_len = len - result;

written = process_vm_writev(handle->pid, local, 1, remote, 1, 0);
if (written < 0) {
PyErr_SetFromErrno(PyExc_OSError);
return -1;
}

result += written;
} while ((size_t)written != local[0].iov_len);
return 0;
#elif defined(__APPLE__) && TARGET_OS_OSX
kern_return_t kr = mach_vm_write(
pid_to_task(handle->pid),
(mach_vm_address_t)remote_address,
(vm_offset_t)src,
(mach_msg_type_number_t)len);

if (kr != KERN_SUCCESS) {
switch (kr) {
case KERN_PROTECTION_FAILURE:
PyErr_SetString(PyExc_PermissionError, "Not enough permissions to write memory");
break;
case KERN_INVALID_ARGUMENT:
PyErr_SetString(PyExc_PermissionError, "Invalid argument to mach_vm_write");
break;
default:
PyErr_Format(PyExc_RuntimeError, "Unknown error writing memory: %d", (int)kr);
}
return -1;
}
return 0;
#else
Py_UNREACHABLE();
#endif
}

static int
Expand DownExpand Up@@ -801,68 +856,6 @@ _Py_RemoteDebug_ReadRemoteMemory(proc_handle_t *handle, uintptr_t remote_address
#endif
}

// Platform-independent memory write function
int
_Py_RemoteDebug_WriteRemoteMemory(proc_handle_t *handle, uintptr_t remote_address, size_t len, const void* src)
{
#ifdef MS_WINDOWS
SIZE_T written = 0;
SIZE_T result = 0;
do {
if (!WriteProcessMemory(handle->hProcess, (LPVOID)(remote_address + result), (const char*)src + result, len - result, &written)) {
PyErr_SetFromWindowsErr(0);
return -1;
}
result += written;
} 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 written = 0;

do {
local[0].iov_base = (void*)((char*)src + result);
local[0].iov_len = len - result;
remote[0].iov_base = (void*)((char*)remote_address + result);
remote[0].iov_len = len - result;

written = process_vm_writev(handle->pid, local, 1, remote, 1, 0);
if (written < 0) {
PyErr_SetFromErrno(PyExc_OSError);
return -1;
}

result += written;
} while ((size_t)written != local[0].iov_len);
return 0;
#elif defined(__APPLE__) && TARGET_OS_OSX
kern_return_t kr = mach_vm_write(
pid_to_task(handle->pid),
(mach_vm_address_t)remote_address,
(vm_offset_t)src,
(mach_msg_type_number_t)len);

if (kr != KERN_SUCCESS) {
switch (kr) {
case KERN_PROTECTION_FAILURE:
PyErr_SetString(PyExc_PermissionError, "Not enough permissions to write memory");
break;
case KERN_INVALID_ARGUMENT:
PyErr_SetString(PyExc_PermissionError, "Invalid argument to mach_vm_write");
break;
default:
PyErr_Format(PyExc_RuntimeError, "Unknown error writing memory: %d", (int)kr);
}
return -1;
}
return 0;
#else
Py_UNREACHABLE();
#endif
}

static int
is_prerelease_version(uint64_t version)
{
Expand Down
[8]ページ先頭
©2009-2025 Movatter.jp