289 static int make_perf_map_file(string &path, unsigned long long map_addr) {  in make_perf_map_file()  argument
294   fprintf(file, "%llx 10 dummy_fn\n", map_addr);  in make_perf_map_file()
295   fprintf(file, "%llx 10 right_next_door_fn\n", map_addr + 0x10);  in make_perf_map_file()
338 static pid_t spawn_child(void *map_addr, bool own_pidns, bool own_mntns,  in spawn_child()  argument
347       /* stack grows down */ child_stack + STACK_SIZE, flags, (void*)map_addr);  in spawn_child()
357   void *map_addr = mmap(NULL, map_sz, PROT_READ | PROT_EXEC,  variable
359   REQUIRE(map_addr != MAP_FAILED);
365     child = spawn_child(map_addr, /* own_pidns */ false, false, perf_map_func);
371     REQUIRE(bcc_symcache_resolve(resolver, (unsigned long long)map_addr,
377     REQUIRE(bcc_symcache_resolve(resolver, (unsigned long long)map_addr + 0x10,
385     child = spawn_child(map_addr, /* own_pidns */ true, false, perf_map_func);
391     REQUIRE(bcc_symcache_resolve(resolver, (unsigned long long)map_addr,
401     child = spawn_child(map_addr, /* own_pidns */ true, true,
408     REQUIRE(bcc_symcache_resolve(resolver, (unsigned long long)map_addr,
417     child = spawn_child(map_addr, /* own_pidns */ true, true,
422     REQUIRE(make_perf_map_file(path, (unsigned long long)map_addr) == 0);
427     REQUIRE(bcc_symcache_resolve(resolver, (unsigned long long)map_addr,
439   munmap(map_addr, map_sz);