dyld_process_info.cpp [plain text]
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <stdio.h>
#include <libproc.h>
#include <sys/param.h>
#include <mach/shared_region.h>
#include <mach/mach_vm.h>
#include <mach/vm_region.h>
#include <libkern/OSAtomic.h>
#include "dyld_process_info.h"
#include "dyld_process_info_internal.h"
#include "dyld_images.h"
#include "dyld_priv.h"
extern "C" {
const struct dyld_all_image_infos* _dyld_get_all_image_infos();
}
namespace {
void withRemoteBuffer(task_t task, vm_address_t remote_address, size_t remote_size, bool allow_truncation, kern_return_t *kr, void (^block)(void *buffer)) {
kern_return_t r = KERN_SUCCESS;
mach_vm_address_t local_address = 0;
mach_vm_address_t local_size = remote_size;
while (1) {
vm_prot_t cur_protection, max_protection;
r = mach_vm_remap(mach_task_self(),
&local_address,
local_size,
0, VM_FLAGS_ANYWHERE | VM_FLAGS_RETURN_DATA_ADDR | VM_FLAGS_RESILIENT_CODESIGN,
task,
remote_address,
TRUE, &cur_protection,
&max_protection,
VM_INHERIT_DEFAULT);
if (kr != NULL) {
*kr = r;
}
if (r == KERN_SUCCESS) {
block(reinterpret_cast<void *>(local_address));
vm_deallocate(mach_task_self(), local_address, local_size);
break;
}
if (!allow_truncation) {
break;
}
uint64_t trunc_size = ((remote_address + local_size - 1) & PAGE_MASK) + 1;
if (local_size <= trunc_size) {
break;
} else {
local_size -= trunc_size;
}
}
}
template<typename T>
void withRemoteObject(task_t task, vm_address_t remote_address, kern_return_t *kr, void (^block)(T t))
{
withRemoteBuffer(task, remote_address, sizeof(T), false, kr, ^(void *buffer) {
block(*reinterpret_cast<T *>(buffer));
});
}
};
struct __attribute__((visibility("hidden"))) dyld_process_info_base {
static dyld_process_info_base* make(task_t task, const dyld_all_image_infos_64& allImageInfo, const dyld_image_info_64 imageArray[], kern_return_t* kr);
static dyld_process_info_base* makeSuspended(task_t task, kern_return_t* kr);
uint32_t& retainCount() const { return _retainCount; }
dyld_process_cache_info* cacheInfo() const { return (dyld_process_cache_info*)(((char*)this) + _cacheInfoOffset); }
dyld_process_state_info* stateInfo() const { return (dyld_process_state_info*)(((char*)this) + _stateInfoOffset); }
void forEachImage(void (^callback)(uint64_t machHeaderAddress, const uuid_t uuid, const char* path)) const;
void forEachSegment(uint64_t machHeaderAddress, void (^callback)(uint64_t segmentAddress, uint64_t segmentSize, const char* segmentName)) const;
private:
struct ImageInfo {
uuid_t uuid;
uint64_t loadAddress;
const char* path;
uint32_t segmentStartIndex;
uint32_t segmentsCount;
};
struct SegmentInfo {
const char* name;
uint64_t addr;
uint64_t size;
};
dyld_process_info_base(unsigned imageCount, size_t totalSize);
void* operator new (size_t, void* buf) { return buf; }
static bool inCache(uint64_t addr) { return (addr > SHARED_REGION_BASE) && (addr < SHARED_REGION_BASE+SHARED_REGION_SIZE); }
kern_return_t addImage(task_t task, bool sameCacheAsThisProcess, uint64_t imageAddress, uint64_t imagePath, const char* imagePathLocal);
kern_return_t addDyldImage(task_t task, uint64_t dyldAddress, uint64_t dyldPathAddress, const char* localPath);
bool invalid() { return ((char*)_stringRevBumpPtr < (char*)_curSegment); }
const char* copyPath(task_t task, uint64_t pathAddr, kern_return_t* kr);
const char* addString(const char*);
const char* copySegmentName(const char*);
void addInfoFromLoadCommands(const mach_header* mh, uint64_t addressInTask, size_t size);
void inspectLocalImageLoadCommands(uint64_t imageAddress, void* func);
kern_return_t inspectRemoteImageLoadCommands(task_t task, uint64_t imageAddress, void* func);
mutable uint32_t _retainCount;
const uint32_t _cacheInfoOffset;
const uint32_t _stateInfoOffset;
const uint32_t _imageInfosOffset;
const uint32_t _segmentInfosOffset;
ImageInfo* const _firstImage;
ImageInfo* _curImage;
SegmentInfo* const _firstSegment;
SegmentInfo* _curSegment;
uint32_t _curSegmentIndex;
char* _stringRevBumpPtr;
};
dyld_process_info_base::dyld_process_info_base(unsigned imageCount, size_t totalSize)
: _retainCount(1), _cacheInfoOffset(sizeof(dyld_process_info_base)),
_stateInfoOffset(sizeof(dyld_process_info_base) + sizeof(dyld_process_cache_info)),
_imageInfosOffset(sizeof(dyld_process_info_base) + sizeof(dyld_process_cache_info) + sizeof(dyld_process_state_info)),
_segmentInfosOffset(sizeof(dyld_process_info_base) + sizeof(dyld_process_cache_info) + sizeof(dyld_process_state_info) + imageCount*sizeof(ImageInfo)),
_firstImage((ImageInfo*)(((uint8_t*)this) + _imageInfosOffset)),
_curImage((ImageInfo*)(((uint8_t*)this) + _imageInfosOffset)),
_firstSegment((SegmentInfo*)(((uint8_t*)this) + _segmentInfosOffset)),
_curSegment((SegmentInfo*)(((uint8_t*)this) + _segmentInfosOffset)),
_curSegmentIndex(0),
_stringRevBumpPtr((char*)(this)+totalSize)
{
}
dyld_process_info_base* dyld_process_info_base::make(task_t task, const dyld_all_image_infos_64& allImageInfo, const dyld_image_info_64 imageArray[], kern_return_t* kr)
{
const dyld_all_image_infos* myInfo = _dyld_get_all_image_infos();
bool sameCacheAsThisProcess = !allImageInfo.processDetachedFromSharedRegion
&& !myInfo->processDetachedFromSharedRegion
&& ((memcmp(myInfo->sharedCacheUUID, allImageInfo.sharedCacheUUID, 16) == 0)
&& (myInfo->sharedCacheSlide == allImageInfo.sharedCacheSlide));
unsigned countOfPathsNeedingCopying = 0;
if ( sameCacheAsThisProcess ) {
for (int i=0; i < allImageInfo.infoArrayCount; ++i) {
if ( !inCache(imageArray[i].imageFilePath) )
++countOfPathsNeedingCopying;
}
}
else {
countOfPathsNeedingCopying = allImageInfo.infoArrayCount+1;
}
unsigned imageCountWithDyld = allImageInfo.infoArrayCount+1;
size_t allocationSize = sizeof(dyld_process_info_base)
+ sizeof(dyld_process_cache_info)
+ sizeof(dyld_process_state_info)
+ sizeof(ImageInfo)*(imageCountWithDyld)
+ sizeof(SegmentInfo)*imageCountWithDyld*5
+ countOfPathsNeedingCopying*PATH_MAX;
void* storage = malloc(allocationSize);
dyld_process_info_base* obj = new (storage) dyld_process_info_base(imageCountWithDyld, allocationSize);
dyld_process_cache_info* cacheInfo = obj->cacheInfo();
memcpy(cacheInfo->cacheUUID, allImageInfo.sharedCacheUUID, 16);
cacheInfo->cacheBaseAddress = allImageInfo.sharedCacheBaseAddress;
cacheInfo->privateCache = allImageInfo.processDetachedFromSharedRegion;
cacheInfo->noCache = true;
for (int i=0; i < 16; ++i) {
if ( cacheInfo->cacheUUID[i] != 0 ) {
cacheInfo->noCache = false;
}
}
dyld_process_state_info* stateInfo = obj->stateInfo();
stateInfo->timestamp = allImageInfo.infoArrayChangeTimestamp;
stateInfo->imageCount = imageCountWithDyld;
stateInfo->initialImageCount = (uint32_t)(allImageInfo.initialImageCount+1);
if ( allImageInfo.infoArray != 0 )
stateInfo->dyldState = dyld_process_state_dyld_initialized;
if ( allImageInfo.libSystemInitialized != 0 ) {
stateInfo->dyldState = dyld_process_state_libSystem_initialized;
if ( allImageInfo.initialImageCount != allImageInfo.infoArrayCount )
stateInfo->dyldState = dyld_process_state_program_running;
}
if ( allImageInfo.errorMessage != 0 )
stateInfo->dyldState = allImageInfo.terminationFlags ? dyld_process_state_terminated_before_inits : dyld_process_state_dyld_terminated;
if ( allImageInfo.dyldPath != 0 ) {
if ( kern_return_t r = obj->addDyldImage(task, allImageInfo.dyldImageLoadAddress, allImageInfo.dyldPath, NULL) ) {
if ( kr != NULL )
*kr = r;
goto fail;
}
}
for (uint32_t i=0; i < allImageInfo.infoArrayCount; ++i) {
if ( kern_return_t r = obj->addImage(task, sameCacheAsThisProcess, imageArray[i].imageLoadAddress, imageArray[i].imageFilePath, NULL) ) {
if ( kr != NULL )
*kr = r;
goto fail;
}
}
if ( obj->invalid() )
goto fail;
return obj;
fail:
free(obj);
return NULL;
}
dyld_process_info_base* dyld_process_info_base::makeSuspended(task_t task, kern_return_t* kr)
{
pid_t pid;
kern_return_t result = pid_for_task(task, &pid);
if ( result != KERN_SUCCESS ) {
if ( kr != NULL )
*kr = result;
return NULL;
}
__block unsigned imageCount = 0; __block uint64_t mainExecutableAddress = 0;
__block uint64_t dyldAddress = 0;
char dyldPathBuffer[PATH_MAX+1];
char mainExecutablePathBuffer[PATH_MAX+1];
__block char * dyldPath = &dyldPathBuffer[0];
__block char * mainExecutablePath = &mainExecutablePathBuffer[0];
mach_vm_size_t size;
for (mach_vm_address_t address = 0; ; address += size) {
vm_region_basic_info_data_64_t info;
mach_port_t objectName;
unsigned int infoCount = VM_REGION_BASIC_INFO_COUNT_64;
result = mach_vm_region(task, &address, &size, VM_REGION_BASIC_INFO,
(vm_region_info_t)&info, &infoCount, &objectName);
if ( result != KERN_SUCCESS )
break;
if ( info.protection != (VM_PROT_READ|VM_PROT_EXECUTE) )
continue;
withRemoteObject(task, address, NULL, ^(mach_header_64 mhBuffer){
if ( (mhBuffer.magic != MH_MAGIC) && (mhBuffer.magic != MH_MAGIC_64) )
return;
if ( mhBuffer.filetype == MH_EXECUTE ) {
mainExecutableAddress = address;
int len = proc_regionfilename(pid, mainExecutableAddress, mainExecutablePath, PATH_MAX);
if ( len != 0 ) {
mainExecutablePath[len] = '\0';
}
++imageCount;
}
else if ( mhBuffer.filetype == MH_DYLINKER ) {
dyldAddress = address;
int len = proc_regionfilename(pid, dyldAddress, dyldPath, PATH_MAX);
if ( len != 0 ) {
dyldPath[len] = '\0';
}
++imageCount;
}
});
}
size_t allocationSize = sizeof(dyld_process_info_base)
+ sizeof(dyld_process_cache_info)
+ sizeof(dyld_process_state_info)
+ sizeof(ImageInfo)*(imageCount)
+ sizeof(SegmentInfo)*imageCount*5
+ imageCount*PATH_MAX;
void* storage = malloc(allocationSize);
dyld_process_info_base* obj = new (storage) dyld_process_info_base(imageCount, allocationSize);
dyld_process_cache_info* cacheInfo = obj->cacheInfo();
bzero(cacheInfo->cacheUUID, 16);
cacheInfo->cacheBaseAddress = 0;
cacheInfo->noCache = true;
cacheInfo->privateCache = false;
dyld_process_state_info* stateInfo = obj->stateInfo();
stateInfo->timestamp = 0;
stateInfo->imageCount = imageCount;
stateInfo->initialImageCount = imageCount;
stateInfo->dyldState = dyld_process_state_not_started;
if ( dyldAddress != 0 ) {
if ( kern_return_t r = obj->addDyldImage(task, dyldAddress, 0, dyldPath) ) {
if ( kr != NULL )
*kr = r;
free(obj);
return NULL;
}
}
if ( mainExecutableAddress != 0 ) {
if ( kern_return_t r = obj->addImage(task, false, mainExecutableAddress, 0, mainExecutablePath) ) {
if ( kr != NULL )
*kr = r;
free(obj);
return NULL;
}
}
return obj;
}
const char* dyld_process_info_base::addString(const char* str)
{
size_t len = strlen(str) + 1;
_stringRevBumpPtr -= len;
strcpy(_stringRevBumpPtr, str);
return _stringRevBumpPtr;
}
const char* dyld_process_info_base::copyPath(task_t task, uint64_t stringAddressInTask, kern_return_t* kr)
{
__block const char* retval = NULL;
withRemoteBuffer(task, stringAddressInTask, PATH_MAX+8, true, kr, ^(void *buffer) {
retval = addString(static_cast<const char *>(buffer));
});
return retval;
}
kern_return_t dyld_process_info_base::addImage(task_t task, bool sameCacheAsThisProcess, uint64_t imageAddress, uint64_t imagePath, const char* imagePathLocal)
{
_curImage->loadAddress = imageAddress;
_curImage->segmentStartIndex = _curSegmentIndex;
if ( imagePathLocal != NULL ) {
_curImage->path = addString(imagePathLocal);
}
else if ( sameCacheAsThisProcess && inCache(imagePath) ) {
_curImage->path = (const char*)imagePath;
}
else {
kern_return_t kr;
_curImage->path = copyPath(task, imagePath, &kr);
if ( kr )
return kr;
}
if ( sameCacheAsThisProcess && inCache(imageAddress) ) {
addInfoFromLoadCommands((mach_header*)imageAddress, imageAddress, 32*1024);
}
else {
__block kern_return_t kr = KERN_SUCCESS;
withRemoteObject(task, imageAddress, &kr, ^(mach_header_64 mhBuffer) {
size_t headerPagesSize = sizeof(mach_header_64) + mhBuffer.sizeofcmds;
withRemoteBuffer(task, imageAddress, headerPagesSize, false, &kr, ^(void * buffer) {
addInfoFromLoadCommands((mach_header*)buffer, imageAddress, headerPagesSize);
});
});
if (kr != KERN_SUCCESS) {
return kr;
}
}
_curImage->segmentsCount = _curSegmentIndex - _curImage->segmentStartIndex;
_curImage++;
return KERN_SUCCESS;
}
kern_return_t dyld_process_info_base::addDyldImage(task_t task, uint64_t dyldAddress, uint64_t dyldPathAddress, const char* localPath)
{
__block kern_return_t kr = KERN_SUCCESS;
_curImage->loadAddress = dyldAddress;
_curImage->segmentStartIndex = _curSegmentIndex;
if ( localPath != NULL ) {
_curImage->path = addString(localPath);
}
else {
_curImage->path = copyPath(task, dyldPathAddress, &kr);
if ( kr )
return kr;
}
withRemoteObject(task, dyldAddress, &kr, ^(mach_header_64 mhBuffer) {
size_t headerPagesSize = sizeof(mach_header_64) + mhBuffer.sizeofcmds;
withRemoteBuffer(task, dyldAddress, headerPagesSize, false, &kr, ^(void * buffer) {
addInfoFromLoadCommands((mach_header*)buffer, dyldAddress, headerPagesSize);
});
});
if (kr != KERN_SUCCESS) {
return kr;
}
_curImage->segmentsCount = _curSegmentIndex - _curImage->segmentStartIndex;
_curImage++;
return KERN_SUCCESS;
}
void dyld_process_info_base::addInfoFromLoadCommands(const mach_header* mh, uint64_t addressInTask, size_t size)
{
const load_command* startCmds = NULL;
if ( mh->magic == MH_MAGIC_64 )
startCmds = (load_command*)((char *)mh + sizeof(mach_header_64));
else if ( mh->magic == MH_MAGIC )
startCmds = (load_command*)((char *)mh + sizeof(mach_header));
else
return;
const load_command* const cmdsEnd = (load_command*)((char*)startCmds + mh->sizeofcmds);
const load_command* cmd = startCmds;
for(uint32_t i = 0; i < mh->ncmds; ++i) {
const load_command* nextCmd = (load_command*)((char *)cmd + cmd->cmdsize);
if ( (cmd->cmdsize < 8) || (nextCmd > cmdsEnd) || (nextCmd < startCmds) ) {
return; }
if ( cmd->cmd == LC_UUID ) {
const uuid_command* uuidCmd = (uuid_command*)cmd;
memcpy(_curImage->uuid, uuidCmd->uuid, 16);
}
else if ( cmd->cmd == LC_SEGMENT ) {
const segment_command* segCmd = (segment_command*)cmd;
_curSegment->name = copySegmentName(segCmd->segname);
_curSegment->addr = segCmd->vmaddr;
_curSegment->size = segCmd->vmsize;
_curSegment++;
_curSegmentIndex++;
}
else if ( cmd->cmd == LC_SEGMENT_64 ) {
const segment_command_64* segCmd = (segment_command_64*)cmd;
_curSegment->name = copySegmentName(segCmd->segname);
_curSegment->addr = segCmd->vmaddr;
_curSegment->size = segCmd->vmsize;
_curSegment++;
_curSegmentIndex++;
}
cmd = nextCmd;
}
}
const char* dyld_process_info_base::copySegmentName(const char* name)
{
static const char* stdSegNames[] = {"__TEXT", "__DATA", "__LINKEDIT", "__DATA_DIRTY", "__DATA_CONST", "__OBJC", NULL };
for (const char** s=stdSegNames; *s != NULL; ++s) {
if ( strcmp(name, *s) == 0 )
return *s;
}
return addString(name);
}
void dyld_process_info_base::forEachImage(void (^callback)(uint64_t machHeaderAddress, const uuid_t uuid, const char* path)) const
{
for (const ImageInfo* p = _firstImage; p < _curImage; ++p) {
callback(p->loadAddress, p->uuid, p->path);
}
}
void dyld_process_info_base::forEachSegment(uint64_t machHeaderAddress, void (^callback)(uint64_t segmentAddress, uint64_t segmentSize, const char* segmentName)) const
{
for (const ImageInfo* p = _firstImage; p < _curImage; ++p) {
if ( p->loadAddress == machHeaderAddress ) {
uint64_t slide = 0;
for (int i=0; i < p->segmentsCount; ++i) {
const SegmentInfo* seg = &_firstSegment[p->segmentStartIndex+i];
if ( strcmp(seg->name, "__TEXT") == 0 ) {
slide = machHeaderAddress - seg->addr;
break;
}
}
for (int i=0; i < p->segmentsCount; ++i) {
const SegmentInfo* seg = &_firstSegment[p->segmentStartIndex+i];
callback(seg->addr + slide, seg->size, seg->name);
}
break;
}
}
}
static dyld_process_info _dyld_process_info_create_inner(task_t task, uint64_t timestamp, kern_return_t* kr)
{
if ( kr != NULL )
*kr = KERN_SUCCESS;
task_dyld_info_data_t task_dyld_info;
mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
if ( kern_return_t r = task_info(task, TASK_DYLD_INFO, (task_info_t)&task_dyld_info, &count) ) {
if ( kr != NULL )
*kr = r;
return NULL;
}
if (task_dyld_info.all_image_info_addr == MACH_VM_MIN_ADDRESS)
return NULL;
if ( task_dyld_info.all_image_info_size > sizeof(dyld_all_image_infos_64) )
return NULL;
dyld_all_image_infos_64 allImageInfo64;
mach_vm_size_t readSize = task_dyld_info.all_image_info_size;
if ( kern_return_t r = mach_vm_read_overwrite(task, task_dyld_info.all_image_info_addr, task_dyld_info.all_image_info_size, (vm_address_t)&allImageInfo64, &readSize) ) {
if ( kr != NULL )
*kr = r;
return NULL;
}
if ( allImageInfo64.infoArrayCount == 0 ) {
usleep(1000 * 50); if ( kern_return_t r = mach_vm_read_overwrite(task, task_dyld_info.all_image_info_addr, task_dyld_info.all_image_info_size, (vm_address_t)&allImageInfo64, &readSize) ) {
if ( kr != NULL )
*kr = r;
return NULL;
}
if ( allImageInfo64.infoArrayCount == 0 )
return dyld_process_info_base::makeSuspended(task, kr);
}
if ( allImageInfo64.version < 15 ) {
if ( kr != NULL )
*kr = KERN_INVALID_HOST;
return NULL;
}
uint32_t imageCount = allImageInfo64.infoArrayCount;
size_t imageArraySize = imageCount * sizeof(dyld_image_info_64);
if ( task_dyld_info.all_image_info_format == TASK_DYLD_ALL_IMAGE_INFO_32 ) {
const dyld_all_image_infos_32* allImageInfo32 = (dyld_all_image_infos_32*)&allImageInfo64;
dyld_all_image_infos_64 info64;
bzero(&info64, sizeof(info64));
info64.version = allImageInfo32->version;
info64.infoArrayCount = allImageInfo32->infoArrayCount;
info64.infoArray = allImageInfo32->infoArray;
info64.processDetachedFromSharedRegion = allImageInfo32->processDetachedFromSharedRegion;
info64.libSystemInitialized = allImageInfo32->libSystemInitialized;
info64.dyldImageLoadAddress = allImageInfo32->dyldImageLoadAddress;
info64.initialImageCount = allImageInfo32->initialImageCount;
info64.uuidArrayCount = allImageInfo32->uuidArrayCount;
info64.uuidArray = allImageInfo32->uuidArray;
info64.dyldAllImageInfosAddress = allImageInfo32->dyldAllImageInfosAddress;
info64.sharedCacheSlide = allImageInfo32->sharedCacheSlide;
info64.infoArrayChangeTimestamp = allImageInfo32->infoArrayChangeTimestamp;
info64.sharedCacheBaseAddress = allImageInfo32->sharedCacheBaseAddress;
info64.dyldPath = allImageInfo32->dyldPath;
memcpy((void*)(info64.sharedCacheUUID), (void*)(allImageInfo32->sharedCacheUUID), 16);
allImageInfo64 = info64;
imageCount = allImageInfo64.infoArrayCount;
imageArraySize = imageCount * sizeof(dyld_image_info_32);
}
if ( (timestamp != 0) && (timestamp == allImageInfo64.infoArrayChangeTimestamp) ) {
if ( kr != NULL )
*kr = KERN_SUCCESS;
return NULL;
}
imageCount = MIN(imageCount, 8192);
if ( allImageInfo64.infoArray == 0 ) {
return NULL;
}
dyld_image_info_64 imageArray64[imageCount];
if ( kern_return_t r = mach_vm_read_overwrite(task, allImageInfo64.infoArray, imageArraySize, (vm_address_t)&imageArray64, &readSize) ) {
if ( kr != NULL ) {
*kr = r;
}
return NULL;
}
if ( task_dyld_info.all_image_info_format == TASK_DYLD_ALL_IMAGE_INFO_32 ) {
const dyld_image_info_32* imageArray32 = (dyld_image_info_32*)&imageArray64;
dyld_image_info_64 tempArray[imageCount];
for (uint32_t i=0; i < imageCount; ++i) {
tempArray[i].imageLoadAddress = imageArray32[i].imageLoadAddress;
tempArray[i].imageFilePath = imageArray32[i].imageFilePath;
tempArray[i].imageFileModDate = imageArray32[i].imageFileModDate;
}
memcpy(imageArray64, tempArray, sizeof(dyld_image_info_64)*imageCount);
}
dyld_process_info result = dyld_process_info_base::make(task, allImageInfo64, imageArray64, kr);
if ( result != NULL ) {
dyld_all_image_infos_64 allImageInfo64again;
readSize = task_dyld_info.all_image_info_size;
if ( kern_return_t r = mach_vm_read_overwrite(task, task_dyld_info.all_image_info_addr, task_dyld_info.all_image_info_size, (vm_address_t)&allImageInfo64again, &readSize) ) {
if ( kr != NULL )
*kr = r;
free((void*)result);
return NULL;
}
uint64_t doneTimeStamp = allImageInfo64again.infoArrayChangeTimestamp;
if ( task_dyld_info.all_image_info_format == TASK_DYLD_ALL_IMAGE_INFO_32 ) {
const dyld_all_image_infos_32* allImageInfo32 = (dyld_all_image_infos_32*)&allImageInfo64again;
doneTimeStamp = allImageInfo32->infoArrayChangeTimestamp;
}
if ( allImageInfo64.infoArrayChangeTimestamp != doneTimeStamp ) {
free((void*)result);
result = nullptr;
}
}
return result;
}
dyld_process_info _dyld_process_info_create(task_t task, uint64_t timestamp, kern_return_t* kr)
{
for (int i=0; i < 100; ++i) {
if ( dyld_process_info result = _dyld_process_info_create_inner( task, timestamp, kr) )
return result;
}
return NULL;
}
void _dyld_process_info_get_state(dyld_process_info info, dyld_process_state_info* stateInfo)
{
*stateInfo = *info->stateInfo();
}
void _dyld_process_info_get_cache(dyld_process_info info, dyld_process_cache_info* cacheInfo)
{
*cacheInfo = *info->cacheInfo();
}
void _dyld_process_info_retain(dyld_process_info info)
{
info->retainCount() += 1;
}
void _dyld_process_info_release(dyld_process_info info)
{
info->retainCount() -= 1;
if ( info->retainCount() == 0 )
free((void*)info);
}
void _dyld_process_info_for_each_image(dyld_process_info info, void (^callback)(uint64_t machHeaderAddress, const uuid_t uuid, const char* path))
{
info->forEachImage(callback);
}
void _dyld_process_info_for_each_segment(dyld_process_info info, uint64_t machHeaderAddress, void (^callback)(uint64_t segmentAddress, uint64_t segmentSize, const char* segmentName))
{
info->forEachSegment(machHeaderAddress, callback);
}