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A tiny bit more task_info.
Conflicts:
src/libSystem/kernel-mach/task.cpp
authored by
Chris Wulff
and committed by
Lubos Dolezel
f9a90acc
eaa2a2e6
+156
+128
src/libSystem/kernel-mach/task.cpp
+128
src/libSystem/kernel-mach/task.cpp
···
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#include <sys/types.h>
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#include <unistd.h>
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#include <cstdlib>
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#include <iostream>
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#include <execinfo.h>
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darwin_task_t mach_task_self_ = new darwin_task(::getpid());
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···
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free(port);
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return KERN_SUCCESS;
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}
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kern_return_t pid_for_task(mach_port_name_t t, int *pid)
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{
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// TODO: this is supposed to be for the specified task but for now, just return our pid
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if (pid)
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{
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*pid = mach_task_self_->pid;
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}
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return KERN_SUCCESS;
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}
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kern_return_t mach_port_mod_refs(ipc_space_t task, mach_port_name_t name, mach_port_right_t right, mach_port_delta_t delta)
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{
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return KERN_SUCCESS;
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}
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// task_info structures
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#define TASK_DYLD_INFO 17
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struct task_dyld_info {
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mach_vm_address_t all_image_info_addr;
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mach_vm_size_t all_image_info_size;
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integer_t all_image_info_format;
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};
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typedef struct task_dyld_info task_dyld_info_data_t;
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typedef struct task_dyld_info *task_dyld_info_t;
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#define TASK_DYLD_ALL_IMAGE_INFO_32 0
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#define TASK_DYLD_ALL_IMAGE_INFO_64 1
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enum dyld_image_mode { dyld_image_adding=0, dyld_image_removing=1 };
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typedef void (*dyld_image_notifier)(enum dyld_image_mode mode, uint32_t infoCount, const struct dyld_image_info info[]);
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struct dyld_all_image_infos {
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uint32_t version;
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uint32_t infoArrayCount;
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const struct dyld_image_info* infoArray;
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dyld_image_notifier notification;
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bool processDetachedFromSharedRegion;
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bool libSystemInitialized;
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const struct mach_header* dyldImageLoadAddress;
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void* jitInfo;
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const char* dyldVersion;
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const char* errorMessage;
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uintptr_t terminationFlags;
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void* coreSymbolicationShmPage;
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uintptr_t systemOrderFlag;
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uintptr_t uuidArrayCount;
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const struct dyld_uuid_info* uuidArray;
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struct dyld_all_image_infos* dyldAllImageInfosAddress;
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uintptr_t initialImageCount;
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uintptr_t errorKind;
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const char* errorClientOfDylibPath;
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const char* errorTargetDylibPath;
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const char* errorSymbol;
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uintptr_t sharedCacheSlide;
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};
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struct dyld_all_image_infos dyld_all_image_infos = { 12 };
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kern_return_t task_info(task_name_t target_task, task_flavor_t flavor, task_info_t task_info_out, mach_msg_type_number_t *task_info_outCnt)
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{
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std::cerr << "task_info(" << target_task << ", " << flavor << ", " << task_info_out << ", " << task_info_outCnt << " = " << *task_info_outCnt << ")" << std::endl;
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switch (flavor)
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{
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case TASK_DYLD_INFO:
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{
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task_dyld_info_t dyld_info = (task_dyld_info_t)task_info_out;
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dyld_info->all_image_info_addr = (mach_vm_address_t)&dyld_all_image_infos;
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dyld_info->all_image_info_size = sizeof(dyld_all_image_infos);
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#ifdef __x86_64__
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dyld_info->all_image_info_format = TASK_DYLD_ALL_IMAGE_INFO_64;
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#else
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dyld_info->all_image_info_format = TASK_DYLD_ALL_IMAGE_INFO_32;
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#endif
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break;
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}
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default:
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// TODO: get the requested info flavor. For now, just zero the provided buffer
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for (int i=0; i<*task_info_outCnt; i++)
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{
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task_info_out[i] = 0;
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}
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break;
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}
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return KERN_SUCCESS;
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}
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kern_return_t mach_vm_region_recurse(vm_map_t target_task, mach_vm_address_t *address, mach_vm_size_t *size, natural_t *nesting_depth, vm_region_recurse_info_t info, mach_msg_type_number_t *infoCnt)
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{
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// TODO
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*infoCnt = 0;
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return KERN_SUCCESS;
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}
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int proc_name(int pid, void * buffer, uint32_t buffersize)
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{
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// TODO: get process name
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if (buffer)
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{
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*(char*)buffer = 0;
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}
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return 0;
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}
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int proc_pidpath(int pid, void * buffer, uint32_t buffersize)
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{
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// TODO: get process path
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if (buffer)
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{
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*(char*)buffer = 0;
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}
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return 0;
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}
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int proc_pidinfo(int pid, int flavor, uint64_t arg, void *buffer, int buffersize)
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{
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// TODO: get other pid info?
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if (buffer)
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{
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*(char*)buffer = 0;
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}
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return 0;
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}
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src/libSystem/kernel-mach/task.h
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src/libSystem/kernel-mach/task.h
···
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typedef darwin_task* darwin_task_t;
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typedef unsigned int natural_t;
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typedef int integer_t;
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typedef natural_t mach_port_name_t;
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typedef mach_port_name_t mach_port_t;
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typedef mach_port_t ipc_space_t;
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typedef natural_t mach_port_right_t;
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typedef integer_t mach_port_delta_t;
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typedef mach_port_t task_name_t;
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typedef natural_t task_flavor_t;
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typedef integer_t *task_info_t;
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typedef natural_t mach_msg_type_number_t;
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typedef mach_port_t vm_map_t;
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typedef uint64_t mach_vm_address_t;
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typedef uint64_t mach_vm_size_t;
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typedef int *vm_region_recurse_info_t;
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#ifdef __cplusplus
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extern "C"
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{
···
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extern darwin_task_t mach_task_self_;
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inline darwin_task_t mach_task_self() { return mach_task_self_; }
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kern_return_t mach_port_deallocate(darwin_task_t task, void* port);
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kern_return_t pid_for_task(mach_port_name_t t, int *pid);
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kern_return_t mach_port_mod_refs(ipc_space_t task, mach_port_name_t name, mach_port_right_t right, mach_port_delta_t delta);
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kern_return_t task_info(task_name_t target_task, task_flavor_t flavor, task_info_t task_info_out, mach_msg_type_number_t *task_info_outCnt);
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// mach_vm.h
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kern_return_t mach_vm_region_recurse(vm_map_t target_task, mach_vm_address_t *address, mach_vm_size_t *size, natural_t *nesting_depth, vm_region_recurse_info_t info, mach_msg_type_number_t *infoCnt);
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// libproc.h
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int proc_name(int pid, void * buffer, uint32_t buffersize);
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int proc_pidpath(int pid, void * buffer, uint32_t buffersize);
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int proc_pidinfo(int pid, int flavor, uint64_t arg, void *buffer, int buffersize);
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#ifdef __cplusplus
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}
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#endif