+++ /dev/null
-#include "execserverServer.h"
-
-#include <mach/mach.h>
-#include <mach/vm_map.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <err.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <dispatch/dispatch.h>
-#include <errno.h>
-#include <signal.h>
-#include <libproc.h>
-#include <System/sys/reason.h>
-#include <System/sys/proc_info.h>
-
-
-
-static pid_t sChildPid;
-static dispatch_semaphore_t sServerRunning;
-static bool sChildCrashed = false;
-static bool sChildTerminatedByDyld = false;
-
-/*
- * setup exception handling port for EXC_CRASH and EXC_CORPSE_NOTIFY.
- * runs mach_msg_server once for receiving exception messages from kernel.
- */
-static void* serverCode(void* arg)
-{
- mach_port_t exception_port;
-
- kern_return_t kret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &exception_port);
- if (kret != KERN_SUCCESS)
- errx(1, "mach_port_allocate: %s (%d)", mach_error_string(kret), kret);
-
- kret = mach_port_insert_right(mach_task_self(), exception_port, exception_port, MACH_MSG_TYPE_MAKE_SEND);
- if (kret != KERN_SUCCESS)
- errx(1, "mach_port_insert_right: %s (%d)", mach_error_string(kret), kret);
-
- kret = task_set_exception_ports(mach_task_self(), EXC_MASK_CRASH | EXC_MASK_CORPSE_NOTIFY, exception_port,
- EXCEPTION_DEFAULT | MACH_EXCEPTION_CODES, 0);
- if (kret != KERN_SUCCESS)
- errx(1, "task_set_exception_ports: %s (%d)", mach_error_string(kret), kret);
-
- dispatch_semaphore_signal(sServerRunning);
-
- kret = mach_msg_server(mach_exc_server, MACH_MSG_SIZE_RELIABLE, exception_port, 0);
- if (kret != KERN_SUCCESS)
- errx(1, "mach_msg_server: %s (%d)", mach_error_string(kret), kret);
-
- return NULL;
-}
-
-
-static void childDied(int sig)
-{
- struct proc_exitreasoninfo info;
- bzero(&info, sizeof(info));
- uint8_t packReasonData[OS_REASON_BUFFER_MAX_SIZE];
- bzero(packReasonData, OS_REASON_BUFFER_MAX_SIZE);
- info.eri_reason_buf_size = OS_REASON_BUFFER_MAX_SIZE;
- info.eri_kcd_buf = (user_addr_t)packReasonData;
- //fprintf(stderr, "info=%p\n", &info);
- if ( proc_pidinfo(sChildPid, PROC_PIDEXITREASONINFO, 1, &info, PROC_PIDEXITREASONINFO_SIZE) != sizeof(struct proc_exitreasoninfo) ) {
- printf("bad return size from proc_pidinfo()\n");
- return;
- }
- sChildTerminatedByDyld = (info.eri_namespace == OS_REASON_DYLD);
- }
-
-
-int main(int argc, const char* argv[])
-{
- if ( argc < 2 ) {
- fprintf(stderr, "usage: nocr [-require_crash] prog args...\n");
- return EXIT_FAILURE;
- }
- unsigned progArgIndex = 1;
- bool requireCrash = false;
- const char* testName = NULL;
- if ( strcmp(argv[1], "-require_crash") == 0 ) {
- progArgIndex = 2;
- requireCrash = true;
- testName = getenv("NOCR_TEST_NAME");
- if ( testName )
- printf("[BEGIN] %s\n", testName);
- }
-
- signal(SIGCHLD, childDied);
-
- sServerRunning = dispatch_semaphore_create(0);
-
- // start up thread for mach server which handles mach exception ports
- pthread_t serverThread;
- int result = pthread_create(&serverThread, NULL, serverCode, NULL);
- if ( result )
- err(EXIT_FAILURE, "pthread_create");
-
- // wait until server is up before starting child
- dispatch_semaphore_wait(sServerRunning, DISPATCH_TIME_FOREVER);
-
- // fork and exec child
- sChildPid = fork();
- if ( sChildPid < 0 )
- err(EXIT_FAILURE, "fork");
- if ( sChildPid == 0 ) {
- // child side
- result = execvp(argv[progArgIndex], (char**)&argv[progArgIndex]);
- err(EXIT_FAILURE, "exec(\"%s\",...)", argv[progArgIndex]);
- }
-
- // wait for child to finish (including crash)
- int status;
- int waitResult;
- int childResult = EXIT_FAILURE;
- do {
- waitResult = waitpid(sChildPid, &status, 0);
- } while ( (waitResult == -1) && (errno == EINTR) );
- if ( waitResult != -1 ) {
- if ( WIFEXITED(status) ) {
- childResult = WEXITSTATUS(status);
- }
- }
-
- if ( requireCrash ) {
- if ( testName ) {
- if ( sChildCrashed || sChildTerminatedByDyld )
- printf("[PASS] %s\n", testName);
- else
- printf("[FAIL] %s\n", testName);
- }
- return sChildCrashed ? EXIT_SUCCESS : EXIT_FAILURE;
- }
- else
- return childResult;
-}
-
-
-
-
-// Mach exception handler routines needed by execserverServer.c
-
-kern_return_t
-catch_mach_exception_raise(mach_port_t exception_port,
- mach_port_t thread,
- mach_port_t task,
- exception_type_t exception,
- mach_exception_data_t code,
- mach_msg_type_number_t codeCnt)
-{
- //fprintf(stderr, "child crashed\n");
- sChildCrashed = true;
- return KERN_SUCCESS;
-}
-
-kern_return_t
-catch_mach_exception_raise_state(mach_port_t exception_port,
- exception_type_t exception,
- const mach_exception_data_t code,
- mach_msg_type_number_t codeCnt,
- int * flavor,
- const thread_state_t old_state,
- mach_msg_type_number_t old_stateCnt,
- thread_state_t new_state,
- mach_msg_type_number_t * new_stateCnt)
-{
- errx(1, "Unsupported catch_mach_exception_raise_state");
- return KERN_NOT_SUPPORTED;
-}
-
-kern_return_t
-catch_mach_exception_raise_state_identity(mach_port_t exception_port,
- mach_port_t thread,
- mach_port_t task,
- exception_type_t exception,
- mach_exception_data_t code,
- mach_msg_type_number_t codeCnt,
- int * flavor,
- thread_state_t old_state,
- mach_msg_type_number_t old_stateCnt,
- thread_state_t new_state,
- mach_msg_type_number_t * new_stateCnt)
-{
- errx(1, "Unsupported catch_mach_exception_raise_state_identity");
- return KERN_NOT_SUPPORTED;
-}
-
-
-
projects / apple / dyld.git / blobdiff