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style fixes
only include native support in standalone library
take to dis and libdisasm with an axe; does not yet compile
*** 20,42 ****
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
- #pragma ident "%Z%%M% %I% %E% SMI"
-
#include <libdisasm.h>
#include <stdlib.h>
#ifdef DIS_STANDALONE
#include <mdb/mdb_modapi.h>
#endif
static int _dis_errno;
/*
* For the standalone library, we need to link against mdb's malloc/free.
* Otherwise, use the standard malloc/free.
*/
#ifdef DIS_STANDALONE
void *
--- 20,66 ----
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
+ * Copyright 2012 Joshua M. Clulow <josh@sysmgr.org>
*/
#include <libdisasm.h>
#include <stdlib.h>
#ifdef DIS_STANDALONE
#include <mdb/mdb_modapi.h>
#endif
+ #include "libdisasm_impl.h"
+
static int _dis_errno;
/*
+ * If we're building the standalone library, then we only want to
+ * include support for disassembly of the native architecture.
+ * The regular shared library should include support for all
+ * architectures.
+ */
+ #if !defined(DIS_STANDALONE) || defined(__i386) || defined(__amd64)
+ extern dis_arch_t dis_arch_i386;
+ #endif
+ #if !defined(DIS_STANDALONE) || defined(__sparc)
+ extern dis_arch_t dis_arch_sparc;
+ #endif
+
+ static dis_arch_t *dis_archs[] = {
+ #if !defined(DIS_STANDALONE) || defined(__i386) || defined(__amd64)
+ &dis_arch_i386,
+ #endif
+ #if !defined(DIS_STANDALONE) || defined(__sparc)
+ &dis_arch_sparc,
+ #endif
+ NULL
+ };
+
+ /*
* For the standalone library, we need to link against mdb's malloc/free.
* Otherwise, use the standard malloc/free.
*/
#ifdef DIS_STANDALONE
void *
*** 84,92 ****
--- 108,210 ----
switch (error) {
case E_DIS_NOMEM:
return ("out of memory");
case E_DIS_INVALFLAG:
return ("invalid flags for this architecture");
+ case E_DIS_UNSUPARCH:
+ return ("unsupported machine architecture");
default:
return ("unknown error");
}
+ }
+
+ void
+ dis_set_data(dis_handle_t *dhp, void *data)
+ {
+ dhp->dh_data = data;
+ }
+
+ void
+ dis_flags_set(dis_handle_t *dhp, int f)
+ {
+ dhp->dh_flags |= f;
+ }
+
+ void
+ dis_flags_clear(dis_handle_t *dhp, int f)
+ {
+ dhp->dh_flags &= ~f;
+ }
+
+ void
+ dis_handle_destroy(dis_handle_t *dhp)
+ {
+ dhp->dh_arch->da_handle_detach(dhp);
+ dis_free(dhp, sizeof (dis_handle_t));
+ }
+
+ dis_handle_t *
+ dis_handle_create(int flags, void *data, dis_lookup_f lookup_func,
+ dis_read_f read_func)
+ {
+ dis_handle_t *dhp;
+ dis_arch_t *arch = NULL;
+ int i;
+
+ /* Select an architecture based on flags */
+ for (i = 0; dis_archs[i] != NULL; i++) {
+ if (dis_archs[i]->da_supports_flags(flags)) {
+ arch = dis_archs[i];
+ break;
+ }
+ }
+ if (arch == NULL) {
+ (void) dis_seterrno(E_DIS_UNSUPARCH);
+ return (NULL);
+ }
+
+ if ((dhp = dis_zalloc(sizeof (dis_handle_t))) == NULL) {
+ (void) dis_seterrno(E_DIS_NOMEM);
+ return (NULL);
+ }
+ dhp->dh_arch = arch;
+ dhp->dh_lookup = lookup_func;
+ dhp->dh_read = read_func;
+ dhp->dh_flags = flags;
+ dhp->dh_data = data;
+
+ /*
+ * Allow the architecture-specific code to allocate
+ * its private data.
+ */
+ if (arch->da_handle_attach(dhp) != 0) {
+ dis_free(dhp, sizeof (dis_handle_t));
+ /* dis errno already set */
+ return (NULL);
+ }
+
+ return (dhp);
+ }
+
+ int
+ dis_disassemble(dis_handle_t *dhp, uint64_t addr, char *buf, size_t buflen)
+ {
+ return (dhp->dh_arch->da_disassemble(dhp, addr, buf, buflen));
+ }
+
+ uint64_t
+ dis_previnstr(dis_handle_t *dhp, uint64_t pc, int n)
+ {
+ return (dhp->dh_arch->da_previnstr(dhp, pc, n));
+ }
+
+ int
+ dis_min_instrlen(dis_handle_t *dhp)
+ {
+ return (dhp->dh_arch->da_min_instrlen(dhp));
+ }
+
+ int
+ dis_max_instrlen(dis_handle_t *dhp)
+ {
+ return (dhp->dh_arch->da_max_instrlen(dhp));
}