1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1994, by Sun Microsytems, Inc. 24*7c478bd9Sstevel@tonic-gate */ 25*7c478bd9Sstevel@tonic-gate 26*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 27*7c478bd9Sstevel@tonic-gate 28*7c478bd9Sstevel@tonic-gate /* 29*7c478bd9Sstevel@tonic-gate * Function to allocate memory in target process (used by combinations). 30*7c478bd9Sstevel@tonic-gate */ 31*7c478bd9Sstevel@tonic-gate 32*7c478bd9Sstevel@tonic-gate #ifndef DEBUG 33*7c478bd9Sstevel@tonic-gate #define NDEBUG 1 34*7c478bd9Sstevel@tonic-gate #endif 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate #include <assert.h> 37*7c478bd9Sstevel@tonic-gate #include "tnfctl_int.h" 38*7c478bd9Sstevel@tonic-gate #include "prb_internals.h" 39*7c478bd9Sstevel@tonic-gate #include "dbg.h" 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate 42*7c478bd9Sstevel@tonic-gate /* 43*7c478bd9Sstevel@tonic-gate * _tnfctl_targmem_alloc() - allocates memory in the target process. 44*7c478bd9Sstevel@tonic-gate */ 45*7c478bd9Sstevel@tonic-gate tnfctl_errcode_t 46*7c478bd9Sstevel@tonic-gate _tnfctl_targmem_alloc(tnfctl_handle_t *hndl, size_t size, uintptr_t *addr_p) 47*7c478bd9Sstevel@tonic-gate { 48*7c478bd9Sstevel@tonic-gate int miscstat; 49*7c478bd9Sstevel@tonic-gate tnf_memseg_t memseg; 50*7c478bd9Sstevel@tonic-gate 51*7c478bd9Sstevel@tonic-gate assert(hndl->memseg_p != NULL); 52*7c478bd9Sstevel@tonic-gate *addr_p = NULL; 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate /* read the memseg block from the target process */ 55*7c478bd9Sstevel@tonic-gate miscstat = hndl->p_read(hndl->proc_p, hndl->memseg_p, &memseg, 56*7c478bd9Sstevel@tonic-gate sizeof (memseg)); 57*7c478bd9Sstevel@tonic-gate if (miscstat) 58*7c478bd9Sstevel@tonic-gate return (TNFCTL_ERR_INTERNAL); 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate /* if there is memory left, allocate it */ 61*7c478bd9Sstevel@tonic-gate if ((memseg.min_p + memseg.i_reqsz) <= (memseg.max_p - size)) { 62*7c478bd9Sstevel@tonic-gate memseg.max_p -= size; 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate miscstat = hndl->p_write(hndl->proc_p, hndl->memseg_p, 65*7c478bd9Sstevel@tonic-gate &memseg, sizeof (memseg)); 66*7c478bd9Sstevel@tonic-gate if (miscstat) 67*7c478bd9Sstevel@tonic-gate return (TNFCTL_ERR_INTERNAL); 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate *addr_p = (uintptr_t) memseg.max_p; 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate DBG_TNF_PROBE_2(_tnfctl_targmem_alloc_1, "libtnfctl", 72*7c478bd9Sstevel@tonic-gate "sunw%verbosity 3", 73*7c478bd9Sstevel@tonic-gate tnf_long, size_allocated, size, 74*7c478bd9Sstevel@tonic-gate tnf_opaque, at_location, *addr_p); 75*7c478bd9Sstevel@tonic-gate 76*7c478bd9Sstevel@tonic-gate return (TNFCTL_ERR_NONE); 77*7c478bd9Sstevel@tonic-gate } else { 78*7c478bd9Sstevel@tonic-gate return (TNFCTL_ERR_INTERNAL); 79*7c478bd9Sstevel@tonic-gate } 80*7c478bd9Sstevel@tonic-gate } 81