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Use Delve v0.12.1 instead of master
This commit is contained in:
Faissal Elamraoui
231
vendor/github.com/derekparker/delve/proc/proc_darwin.c
generated
vendored
Normal file
231
vendor/github.com/derekparker/delve/proc/proc_darwin.c
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vendored
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@ -0,0 +1,231 @@
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#include "proc_darwin.h"
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static const unsigned char info_plist[]
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__attribute__ ((section ("__TEXT,__info_plist"),used)) =
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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"<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\""
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" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
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"<plist version=\"1.0\">\n"
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"<dict>\n"
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" <key>CFBundleIdentifier</key>\n"
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" <string>org.dlv</string>\n"
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" <key>CFBundleName</key>\n"
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" <string>delve</string>\n"
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" <key>CFBundleVersion</key>\n"
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" <string>1.0</string>\n"
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" <key>SecTaskAccess</key>\n"
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" <array>\n"
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" <string>allowed</string>\n"
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" <string>debug</string>\n"
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" </array>\n"
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"</dict>\n"
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"</plist>\n";
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kern_return_t
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acquire_mach_task(int tid,
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task_t *task,
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mach_port_t *port_set,
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mach_port_t *exception_port,
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mach_port_t *notification_port)
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{
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kern_return_t kret;
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mach_port_t prev_not;
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mach_port_t self = mach_task_self();
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kret = task_for_pid(self, tid, task);
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if (kret != KERN_SUCCESS) return kret;
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// Allocate exception port.
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kret = mach_port_allocate(self, MACH_PORT_RIGHT_RECEIVE, exception_port);
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if (kret != KERN_SUCCESS) return kret;
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kret = mach_port_insert_right(self, *exception_port, *exception_port, MACH_MSG_TYPE_MAKE_SEND);
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if (kret != KERN_SUCCESS) return kret;
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kret = task_set_exception_ports(*task, EXC_MASK_BREAKPOINT|EXC_MASK_SOFTWARE, *exception_port,
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EXCEPTION_DEFAULT, THREAD_STATE_NONE);
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if (kret != KERN_SUCCESS) return kret;
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// Allocate notification port to alert of when the process dies.
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kret = mach_port_allocate(self, MACH_PORT_RIGHT_RECEIVE, notification_port);
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if (kret != KERN_SUCCESS) return kret;
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kret = mach_port_insert_right(self, *notification_port, *notification_port, MACH_MSG_TYPE_MAKE_SEND);
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if (kret != KERN_SUCCESS) return kret;
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kret = mach_port_request_notification(self, *task, MACH_NOTIFY_DEAD_NAME, 0, *notification_port,
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MACH_MSG_TYPE_MAKE_SEND_ONCE, &prev_not);
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if (kret != KERN_SUCCESS) return kret;
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// Create port set.
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kret = mach_port_allocate(self, MACH_PORT_RIGHT_PORT_SET, port_set);
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if (kret != KERN_SUCCESS) return kret;
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// Move exception and notification ports to port set.
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kret = mach_port_move_member(self, *exception_port, *port_set);
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if (kret != KERN_SUCCESS) return kret;
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return mach_port_move_member(self, *notification_port, *port_set);
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}
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kern_return_t
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reset_exception_ports(task_t task, mach_port_t *exception_port, mach_port_t *notification_port) {
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kern_return_t kret;
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mach_port_t prev_not;
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mach_port_t self = mach_task_self();
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kret = task_set_exception_ports(task, EXC_MASK_BREAKPOINT|EXC_MASK_SOFTWARE, *exception_port,
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EXCEPTION_DEFAULT, THREAD_STATE_NONE);
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if (kret != KERN_SUCCESS) return kret;
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kret = mach_port_request_notification(self, task, MACH_NOTIFY_DEAD_NAME, 0, *notification_port,
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MACH_MSG_TYPE_MAKE_SEND_ONCE, &prev_not);
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if (kret != KERN_SUCCESS) return kret;
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return KERN_SUCCESS;
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}
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char *
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find_executable(int pid) {
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static char pathbuf[PATH_MAX];
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proc_pidpath(pid, pathbuf, PATH_MAX);
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return pathbuf;
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}
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kern_return_t
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get_threads(task_t task, void *slice, int limit) {
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kern_return_t kret;
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thread_act_array_t list;
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mach_msg_type_number_t count;
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kret = task_threads(task, &list, &count);
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if (kret != KERN_SUCCESS) {
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return kret;
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}
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if (count > limit) {
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vm_deallocate(mach_task_self(), (vm_address_t) list, count * sizeof(list[0]));
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return -2;
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}
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memcpy(slice, (void*)list, count*sizeof(list[0]));
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kret = vm_deallocate(mach_task_self(), (vm_address_t) list, count * sizeof(list[0]));
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if (kret != KERN_SUCCESS) return kret;
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return (kern_return_t)0;
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}
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int
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thread_count(task_t task) {
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kern_return_t kret;
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thread_act_array_t list;
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mach_msg_type_number_t count;
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kret = task_threads(task, &list, &count);
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if (kret != KERN_SUCCESS) return -1;
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kret = vm_deallocate(mach_task_self(), (vm_address_t) list, count * sizeof(list[0]));
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if (kret != KERN_SUCCESS) return -1;
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return count;
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}
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mach_port_t
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mach_port_wait(mach_port_t port_set, task_t *task, int nonblocking) {
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kern_return_t kret;
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thread_act_t thread;
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NDR_record_t *ndr;
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integer_t *data;
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union
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{
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mach_msg_header_t hdr;
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char data[256];
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} msg;
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mach_msg_option_t opts = MACH_RCV_MSG|MACH_RCV_INTERRUPT;
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if (nonblocking) {
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opts |= MACH_RCV_TIMEOUT;
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}
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// Wait for mach msg.
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kret = mach_msg(&msg.hdr, opts,
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0, sizeof(msg.data), port_set, 10, MACH_PORT_NULL);
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if (kret == MACH_RCV_INTERRUPTED) return kret;
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if (kret != MACH_MSG_SUCCESS) return 0;
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switch (msg.hdr.msgh_id) {
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case 2401: { // Exception
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// 2401 is the exception_raise event, defined in:
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// http://opensource.apple.com/source/xnu/xnu-2422.1.72/osfmk/mach/exc.defs?txt
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// compile this file with mig to get the C version of the description
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mach_msg_body_t *bod = (mach_msg_body_t*)(&msg.hdr + 1);
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mach_msg_port_descriptor_t *desc = (mach_msg_port_descriptor_t *)(bod + 1);
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thread = desc[0].name;
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*task = desc[1].name;
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ndr = (NDR_record_t *)(desc + 2);
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data = (integer_t *)(ndr + 1);
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if (thread_suspend(thread) != KERN_SUCCESS) return 0;
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// Send our reply back so the kernel knows this exception has been handled.
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kret = mach_send_reply(msg.hdr);
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if (kret != MACH_MSG_SUCCESS) return 0;
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if (data[2] == EXC_SOFT_SIGNAL) {
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if (data[3] != SIGTRAP) {
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if (thread_resume(thread) != KERN_SUCCESS) return 0;
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return mach_port_wait(port_set, task, nonblocking);
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}
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}
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return thread;
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}
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case 72: { // Death
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// 72 is mach_notify_dead_name, defined in:
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// https://opensource.apple.com/source/xnu/xnu-1228.7.58/osfmk/mach/notify.defs?txt
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// compile this file with mig to get the C version of the description
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ndr = (NDR_record_t *)(&msg.hdr + 1);
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*task = *((mach_port_name_t *)(ndr + 1));
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return msg.hdr.msgh_local_port;
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}
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}
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return 0;
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}
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kern_return_t
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mach_send_reply(mach_msg_header_t hdr) {
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mig_reply_error_t reply;
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mach_msg_header_t *rh = &reply.Head;
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rh->msgh_bits = MACH_MSGH_BITS(MACH_MSGH_BITS_REMOTE(hdr.msgh_bits), 0);
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rh->msgh_remote_port = hdr.msgh_remote_port;
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rh->msgh_size = (mach_msg_size_t) sizeof(mig_reply_error_t);
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rh->msgh_local_port = MACH_PORT_NULL;
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rh->msgh_id = hdr.msgh_id + 100;
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reply.NDR = NDR_record;
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reply.RetCode = KERN_SUCCESS;
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return mach_msg(&reply.Head, MACH_SEND_MSG|MACH_SEND_INTERRUPT, rh->msgh_size, 0,
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MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
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}
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kern_return_t
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raise_exception(mach_port_t task, mach_port_t thread, mach_port_t exception_port, exception_type_t exception) {
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return exception_raise(exception_port, thread, task, exception, 0, 0);
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}
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task_t
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get_task_for_pid(int pid) {
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task_t task = 0;
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mach_port_t self = mach_task_self();
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task_for_pid(self, pid, &task);
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return task;
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}
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int
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task_is_valid(task_t task) {
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struct task_basic_info info;
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mach_msg_type_number_t count = TASK_BASIC_INFO_COUNT;
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return task_info(task, TASK_BASIC_INFO, (task_info_t)&info, &count) == KERN_SUCCESS;
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}
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