const char *
mdb_strerror(int err)
{
static char buf[256];
const char *str;
if (err >= EMDB_BASE && (err - EMDB_BASE) < _mdb_nerr)
str = _mdb_errlist[err - EMDB_BASE];
else
str = strerror(err);
switch (err) {
case EMDB_PARTIAL:
(void) mdb_iob_snprintf(buf, sizeof (buf), str,
errno_rbytes, errno_nbytes);
str = buf;
break;
#ifndef _KMDB
case EMDB_RTLD_DB:
if (rd_errstr(errno_rtld_db) != NULL)
str = rd_errstr(errno_rtld_db);
break;
#endif
case EMDB_CTF:
if (ctf_errmsg(errno_libctf) != NULL)
str = ctf_errmsg(errno_libctf);
break;
}
return (str ? str : "unknown error");
}
static int
ctfdump_functions_cb(const char *name, ulong_t symidx, ctf_funcinfo_t *ctc,
void *arg)
{
int i;
if (ctc->ctc_argc != 0) {
ctfdump_fargs_grow(ctc->ctc_argc);
if (ctf_func_args(g_fp, symidx, g_nfargc, g_fargc) == CTF_ERR)
ctfdump_fatal("failed to get arguments for function "
"%s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
}
ctfdump_printf(CTFDUMP_FUNCTIONS,
" [%lu] %s (%lu) returns: %u args: (", g_stats.cs_nfuncs, name,
symidx, ctc->ctc_return);
for (i = 0; i < ctc->ctc_argc; i++)
ctfdump_printf(CTFDUMP_FUNCTIONS, "%lu%s", g_fargc[i],
i + 1 == ctc->ctc_argc ? "" : ", ");
if (ctc->ctc_flags & CTF_FUNC_VARARG)
ctfdump_printf(CTFDUMP_FUNCTIONS, "%s...",
ctc->ctc_argc == 0 ? "" : ", ");
ctfdump_printf(CTFDUMP_FUNCTIONS, ")\n");
g_stats.cs_nfuncs++;
g_stats.cs_nfuncargs += ctc->ctc_argc;
g_stats.cs_nfuncmax = MAX(ctc->ctc_argc, g_stats.cs_nfuncmax);
return (0);
}
static int
ctfsrc_member_cb(const char *member, ctf_id_t type, ulong_t off, void *arg)
{
_NOTE(ARGUNUSED(arg));
char name[MAX_NAMELEN];
if (ctf_type_cname(g_fp, type, name, sizeof (name), member) == NULL) {
if (ctf_errno(g_fp) != ECTF_NOPARENT) {
ctfdump_fatal("type %ld missing name: %s\n", type,
ctf_errmsg(ctf_errno(g_fp)));
}
(void) snprintf(name, sizeof (name), "unknown_t %s", member);
}
/*
* A byte offset is friendlier, but we'll print bits too if it's not
* aligned (i.e. a bitfield).
*/
if (off % NBBY != 0) {
(void) printf("\t%s; /* offset: %lu bytes (%lu bits) */\n",
name, off / NBBY, off);
} else {
(void) printf("\t%s; /* offset: %lu bytes */\n",
name, off / NBBY);
}
return (0);
}
int
main(int argc, char **argv)
{
Elf *elf;
ctf_file_t *ctfp;
int errp, fd;
if (ctf_version(CTF_VERSION) == -1)
errx(1, "mismatched libctf versions\n");
if (elf_version(EV_CURRENT) == EV_NONE)
errx(1, "mismatched libelf versions\n");
if (argc != 2)
errx(2, "usage: %s <file>\n", __progname);
if ((ctfp = ctf_open(argv[1], &errp)) == NULL)
errx(1, "failed to ctf_open file: %s: %s\n", argv[1],
ctf_errmsg(errp));
if ((fd = open(argv[1], O_RDONLY)) == -1)
errx(1, "could not open %s\n", argv[1]);
if ((elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL)
errx(1, "could not interpret ELF from %s\n",
argv[1]);
walk_symtab(elf, argv[1], ctfp, check_sym);
(void) elf_end(elf);
(void) close(fd);
return (0);
}
static void
ctfdump_labels(void)
{
ctfdump_title(CTFDUMP_LABELS, "Label Table");
if (ctf_label_iter(g_fp, ctfdump_labels_cb, NULL) == CTF_ERR) {
ctfdump_warn("failed to dump labels: %s\n",
ctf_errmsg(ctf_errno(g_fp)));
g_exit = 1;
}
}
static void
ctfdump_objects(void)
{
ctfdump_title(CTFDUMP_OBJECTS, "Data Objects");
if (ctf_object_iter(g_fp, ctfdump_objects_cb, NULL) == CTF_ERR) {
ctfdump_warn("failed to dump objects: %s\n",
ctf_errmsg(ctf_errno(g_fp)));
g_exit = 1;
}
}
static void
ctfdump_functions(void)
{
ctfdump_title(CTFDUMP_FUNCTIONS, "Functions");
if (ctf_function_iter(g_fp, ctfdump_functions_cb, NULL) == CTF_ERR) {
ctfdump_warn("failed to dump functions: %s\n",
ctf_errmsg(ctf_errno(g_fp)));
g_exit = 1;
}
}
static void
ctfdump_types(void)
{
ctfdump_title(CTFDUMP_TYPES, "Types");
if (ctf_type_iter(g_fp, B_TRUE, ctfdump_types_cb, NULL) == CTF_ERR) {
ctfdump_warn("failed to dump labels: %s\n",
ctf_errmsg(ctf_errno(g_fp)));
g_exit = 1;
}
}
static void
ctfsrc_refname(ctf_id_t id, char *buf, size_t bufsize)
{
ctf_id_t ref;
if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR) {
ctfdump_fatal("failed to get reference type for %ld: "
"%s\n", id, ctf_errmsg(ctf_errno(g_fp)));
}
(void) ctf_type_name(g_fp, ref, buf, bufsize);
}
static void
ctfdump_strings(void)
{
ulong_t stroff = 0;
ctfdump_title(CTFDUMP_STRINGS, "String Table");
if (ctf_string_iter(g_fp, ctfdump_strings_cb, &stroff) == CTF_ERR) {
ctfdump_warn("failed to dump strings: %s\n",
ctf_errmsg(ctf_errno(g_fp)));
g_exit = 1;
}
}
static void
ctfsrc_object(ctf_id_t id, const char *name)
{
char tname[MAX_NAMELEN];
if (ctf_type_cname(g_fp, id, tname, sizeof (tname), name) == NULL) {
if (ctf_errno(g_fp) != ECTF_NOPARENT) {
ctfdump_fatal("type %ld missing name: %s\n", id,
ctf_errmsg(ctf_errno(g_fp)));
}
(void) snprintf(tname, sizeof (tname), "unknown_t %s", name);
}
(void) printf("extern %s;\n", tname);
}
void
kctl_mod_loaded(struct modctl *modp)
{
int rc;
mutex_enter(&mod_lock);
if (modp->mod_mp == NULL) {
mutex_exit(&mod_lock);
return;
}
if ((rc = kctl_mod_decompress(modp)) != 0) {
cmn_err(CE_WARN, "failed to decompress CTF data for %s: %s\n",
modp->mod_modname, ctf_errmsg(rc));
}
mutex_exit(&mod_lock);
if (!(kmdb_kdi_get_flags() & KMDB_KDI_FL_NOMODS))
kctl_dmod_autoload(modp->mod_modname);
}
const char *
dtrace_errmsg(dtrace_hdl_t *dtp, int error)
{
const char *str;
int i;
if (error == EDT_COMPILER && dtp != NULL && dtp->dt_errmsg[0] != '\0')
str = dtp->dt_errmsg;
else if (error == EDT_CTF && dtp != NULL && dtp->dt_ctferr != 0)
str = ctf_errmsg(dtp->dt_ctferr);
else if (error >= EDT_BASE && (error - EDT_BASE) < _dt_nerr) {
for (i = 0; i < _dt_nerr; i++) {
if (_dt_errlist[i].err == error)
return (_dt_errlist[i].msg);
}
str = NULL;
} else
str = strerror(error);
return (str ? str : "Unknown error");
}
static void
ctfsrc_function(ctf_idname_t *idn)
{
ctf_funcinfo_t *cfi = &idn->ci_funcinfo;
char name[MAX_NAMELEN] = "unknown_t";
(void) ctf_type_name(g_fp, cfi->ctc_return, name, sizeof (name));
(void) printf("extern %s %s(", name, idn->ci_name);
if (cfi->ctc_argc != 0) {
ctfdump_fargs_grow(cfi->ctc_argc);
if (ctf_func_args(g_fp, idn->ci_symidx,
g_nfargc, g_fargc) == CTF_ERR) {
ctfdump_fatal("failed to get arguments for function "
"%s: %s\n", idn->ci_name,
ctf_errmsg(ctf_errno(g_fp)));
}
for (size_t i = 0; i < cfi->ctc_argc; i++) {
ctf_id_t aid = g_fargc[i];
name[0] = '\0';
(void) ctf_type_name(g_fp, aid, name, sizeof (name));
(void) printf("%s%s", name,
i + 1 == cfi->ctc_argc ? "" : ", ");
}
} else {
if (!(cfi->ctc_flags & CTF_FUNC_VARARG))
(void) printf("void");
}
if (cfi->ctc_flags & CTF_FUNC_VARARG)
(void) printf("%s...", cfi->ctc_argc == 0 ? "" : ", ");
(void) printf(");\n");
}
/*
* Lookup the dynamic translator type tag for the specified probe argument and
* assign the type to the specified node. If the type is not yet defined, add
* it to the "D" module's type container as a typedef for an unknown type.
*/
dt_node_t *
dt_probe_tag(dt_probe_t *prp, uint_t argn, dt_node_t *dnp)
{
dtrace_hdl_t *dtp = prp->pr_pvp->pv_hdl;
dtrace_typeinfo_t dtt;
size_t len;
char *tag;
len = snprintf(NULL, 0, "__dtrace_%s___%s_arg%u",
prp->pr_pvp->pv_desc.dtvd_name, prp->pr_name, argn);
tag = alloca(len + 1);
(void) snprintf(tag, len + 1, "__dtrace_%s___%s_arg%u",
prp->pr_pvp->pv_desc.dtvd_name, prp->pr_name, argn);
if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_DDEFS, tag, &dtt) != 0) {
dtt.dtt_object = DTRACE_OBJ_DDEFS;
dtt.dtt_ctfp = DT_DYN_CTFP(dtp);
dtt.dtt_type = ctf_add_typedef(DT_DYN_CTFP(dtp),
CTF_ADD_ROOT, tag, DT_DYN_TYPE(dtp));
if (dtt.dtt_type == CTF_ERR ||
ctf_update(dtt.dtt_ctfp) == CTF_ERR) {
xyerror(D_UNKNOWN, "cannot define type %s: %s\n",
tag, ctf_errmsg(ctf_errno(dtt.dtt_ctfp)));
}
}
bzero(dnp, sizeof (dt_node_t));
dnp->dn_kind = DT_NODE_TYPE;
dt_node_type_assign(dnp, dtt.dtt_ctfp, dtt.dtt_type, B_FALSE);
dt_node_attr_assign(dnp, _dtrace_defattr);
return (dnp);
}
int
main(int argc, char *argv[])
{
int c, fd, err;
const char *ufile = NULL, *parent = NULL;
g_progname = basename(argv[0]);
while ((c = getopt(argc, argv, ":cdfhlp:sStu:")) != -1) {
switch (c) {
case 'c':
g_dump |= CTFDUMP_SOURCE;
break;
case 'd':
g_dump |= CTFDUMP_OBJECTS;
break;
case 'f':
g_dump |= CTFDUMP_FUNCTIONS;
break;
case 'h':
g_dump |= CTFDUMP_HEADER;
break;
case 'l':
g_dump |= CTFDUMP_LABELS;
break;
case 'p':
parent = optarg;
break;
case 's':
g_dump |= CTFDUMP_STRINGS;
break;
case 'S':
g_dump |= CTFDUMP_STATS;
break;
case 't':
g_dump |= CTFDUMP_TYPES;
break;
case 'u':
g_dump |= CTFDUMP_OUTPUT;
ufile = optarg;
break;
case '?':
ctfdump_usage("Unknown option: -%c\n", optopt);
return (2);
case ':':
ctfdump_usage("Option -%c requires an operand\n",
optopt);
return (2);
}
}
argc -= optind;
argv += optind;
if ((g_dump & CTFDUMP_SOURCE) && !!(g_dump & ~CTFDUMP_SOURCE)) {
ctfdump_usage("-c must be specified on its own\n");
return (2);
}
/*
* Dump all information except C source by default.
*/
if (g_dump == 0)
g_dump = CTFDUMP_DEFAULT;
if (argc != 1) {
ctfdump_usage("no file to dump\n");
return (2);
}
if ((fd = open(argv[0], O_RDONLY)) < 0)
ctfdump_fatal("failed to open file %s: %s\n", argv[0],
strerror(errno));
g_fp = ctf_fdopen(fd, &err);
if (g_fp == NULL)
ctfdump_fatal("failed to open file %s: %s\n", argv[0],
ctf_errmsg(err));
/*
* Check to see if this file needs a parent. If it does not and we were
* given one, that should be an error. If it does need one and the
* parent is not specified, that is fine, we just won't know how to
* find child types. If we are given a parent, check at least that the
* labels match.
*/
if (ctf_parent_name(g_fp) == NULL) {
if (parent != NULL)
ctfdump_fatal("cannot use %s as a parent file, %s is "
"not a child\n", parent, argv[0]);
} else if (parent != NULL) {
const char *explabel, *label;
ctf_file_t *pfp = ctf_open(parent, &err);
if (pfp == NULL)
ctfdump_fatal("failed to open parent file %s: %s\n",
parent, ctf_errmsg(err));
/*
* Before we import the parent into the child, check that the
* labels match. While there is also the notion of the parent
* name, it's less straightforward to match that. Require that
* labels match.
*/
explabel = ctf_parent_label(g_fp);
label = ctf_label_topmost(pfp);
if (explabel == NULL || label == NULL ||
strcmp(explabel, label) != 0) {
if (label == NULL)
label = "<missing>";
if (explabel == NULL)
explabel = "<missing>";
ctfdump_fatal("label mismatch between parent %s and "
"child %s, parent has %s, child expects %s\n",
parent, argv[0], label, explabel);
}
if (ctf_import(g_fp, pfp) != 0)
ctfdump_fatal("failed to import parent %s: %s\n",
parent, ctf_errmsg(ctf_errno(g_fp)));
}
if (g_dump & CTFDUMP_SOURCE) {
ctfdump_source();
return (0);
}
/*
* If stats is set, we must run through everything exect CTFDUMP_OUTPUT.
* We also do CTFDUMP_STATS last as a result.
*/
if (g_dump & CTFDUMP_HEADER)
ctfdump_header();
if (g_dump & (CTFDUMP_LABELS | CTFDUMP_STATS))
ctfdump_labels();
if (g_dump & (CTFDUMP_OBJECTS | CTFDUMP_STATS))
ctfdump_objects();
if (g_dump & (CTFDUMP_FUNCTIONS | CTFDUMP_STATS))
ctfdump_functions();
if (g_dump & (CTFDUMP_TYPES | CTFDUMP_STATS))
ctfdump_types();
if (g_dump & (CTFDUMP_STRINGS | CTFDUMP_STATS))
ctfdump_strings();
if (g_dump & CTFDUMP_STATS)
ctfdump_stats();
if (g_dump & CTFDUMP_OUTPUT)
ctfdump_output(ufile);
return (g_exit);
}
int
main(int argc, char *argv[])
{
int c, fd, err;
const char *ufile = NULL, *parent = NULL;
g_progname = basename(argv[0]);
while ((c = getopt(argc, argv, ":dfhlp:sStu:")) != -1) {
switch (c) {
case 'd':
g_dump |= CTFDUMP_OBJECTS;
break;
case 'f':
g_dump |= CTFDUMP_FUNCTIONS;
break;
case 'h':
g_dump |= CTFDUMP_HEADER;
break;
case 'l':
g_dump |= CTFDUMP_LABELS;
break;
case 'p':
parent = optarg;
break;
case 's':
g_dump |= CTFDUMP_STRINGS;
break;
case 'S':
g_dump |= CTFDUMP_STATS;
break;
case 't':
g_dump |= CTFDUMP_TYPES;
break;
case 'u':
g_dump |= CTFDUMP_OUTPUT;
ufile = optarg;
break;
case '?':
ctfdump_usage("Unknown option: -%c\n", optopt);
return (2);
case ':':
ctfdump_usage("Option -%c requires an operand\n",
optopt);
return (2);
}
}
argc -= optind;
argv += optind;
/*
* Dump all information by default.
*/
if (g_dump == 0)
g_dump = CTFDUMP_DEFAULT;
if (argc != 1) {
ctfdump_usage("no file to dump\n");
return (2);
}
if ((fd = open(argv[0], O_RDONLY)) < 0)
ctfdump_fatal("failed to open file %s: %s\n", argv[0],
strerror(errno));
g_fp = ctf_fdopen(fd, &err);
if (g_fp == NULL)
ctfdump_fatal("failed to open file %s: %s\n", argv[0],
ctf_errmsg(err));
if (parent != NULL) {
ctf_file_t *pfp = ctf_open(parent, &err);
if (pfp == NULL)
ctfdump_fatal("failed to open parent file %s: %s\n",
parent, ctf_errmsg(err));
if (ctf_import(g_fp, pfp) != 0)
ctfdump_fatal("failed to import parent %s: %s\n",
parent, ctf_errmsg(ctf_errno(g_fp)));
}
/*
* If stats is set, we must run through everything exect CTFDUMP_OUTPUT.
* We also do CTFDUMP_STATS last as a result.
*/
if (g_dump & CTFDUMP_HEADER)
ctfdump_header();
if (g_dump & (CTFDUMP_LABELS | CTFDUMP_STATS))
ctfdump_labels();
if (g_dump & (CTFDUMP_OBJECTS | CTFDUMP_STATS))
ctfdump_objects();
if (g_dump & (CTFDUMP_FUNCTIONS | CTFDUMP_STATS))
ctfdump_functions();
if (g_dump & (CTFDUMP_TYPES | CTFDUMP_STATS))
ctfdump_types();
if (g_dump & (CTFDUMP_STRINGS | CTFDUMP_STATS))
ctfdump_strings();
if (g_dump & CTFDUMP_STATS)
ctfdump_stats();
if (g_dump & CTFDUMP_OUTPUT)
ctfdump_output(ufile);
return (g_exit);
}
static void
ctfsrc_type(ctf_id_t id, const char *name)
{
char refname[MAX_NAMELEN];
ctf_id_t ref;
ssize_t size;
int kind;
if ((kind = ctf_type_kind(g_fp, id)) == CTF_ERR) {
ctfdump_fatal("encountered malformed ctf, type %s does not "
"have a kind: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
}
switch (kind) {
case CTF_K_STRUCT:
case CTF_K_UNION:
/*
* Delay printing anonymous SOUs; a later typedef will usually
* pick them up.
*/
if (is_anon_refname(name))
break;
if ((size = ctf_type_size(g_fp, id)) == CTF_ERR) {
ctfdump_fatal("failed to get size of %s: %s\n", name,
ctf_errmsg(ctf_errno(g_fp)));
}
(void) printf("%s { /* 0x%x bytes */\n", name, size);
if (ctf_member_iter(g_fp, id, ctfsrc_member_cb, NULL) != 0) {
ctfdump_fatal("failed to iterate members of %s: %s\n",
name, ctf_errmsg(ctf_errno(g_fp)));
}
(void) printf("};\n\n");
break;
case CTF_K_ENUM:
/*
* This will throw away any anon enum that isn't followed by a
* typedef...
*/
if (is_anon_refname(name))
break;
(void) printf("%s {\n", name);
if (ctf_enum_iter(g_fp, id, ctfsrc_enum_cb, NULL) != 0) {
ctfdump_fatal("failed to iterate enumerators of %s: "
"%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
}
(void) printf("};\n\n");
break;
case CTF_K_TYPEDEF:
ctfsrc_refname(id, refname, sizeof (refname));
if (!is_anon_refname(refname)) {
(void) ctf_type_cname(g_fp,
ctf_type_reference(g_fp, id), refname,
sizeof (refname), name);
(void) printf("typedef %s;\n\n", refname);
break;
}
ref = ctf_type_reference(g_fp, id);
if (ctf_type_kind(g_fp, ref) == CTF_K_ENUM) {
(void) printf("typedef enum {\n");
if (ctf_enum_iter(g_fp, ref,
ctfsrc_enum_cb, NULL) != 0) {
ctfdump_fatal("failed to iterate enumerators "
"of %s: %s\n", refname,
ctf_errmsg(ctf_errno(g_fp)));
}
(void) printf("} %s;\n\n", name);
} else {
if ((size = ctf_type_size(g_fp, ref)) == CTF_ERR) {
ctfdump_fatal("failed to get size of %s: %s\n",
refname, ctf_errmsg(ctf_errno(g_fp)));
}
(void) printf("typedef %s{ /* 0x%zx bytes */\n",
refname, size);
if (ctf_member_iter(g_fp, ref,
ctfsrc_member_cb, NULL) != 0) {
ctfdump_fatal("failed to iterate members "
"of %s: %s\n", refname,
ctf_errmsg(ctf_errno(g_fp)));
}
(void) printf("} %s;\n\n", name);
}
break;
case CTF_K_FORWARD:
(void) printf("%s;\n\n", name);
break;
case CTF_K_UNKNOWN:
case CTF_K_INTEGER:
case CTF_K_FLOAT:
case CTF_K_POINTER:
case CTF_K_ARRAY:
case CTF_K_FUNCTION:
case CTF_K_VOLATILE:
case CTF_K_CONST:
case CTF_K_RESTRICT:
break;
default:
ctfdump_fatal("encountered unknown kind for type %s: %d\n",
name, kind);
break;
}
}
static int
ctfdump_types_cb(ctf_id_t id, boolean_t root, void *arg)
{
int kind, i, count;
ctf_id_t ref;
char name[512], ienc[128];
const char *encn;
ctf_funcinfo_t ctc;
ctf_arinfo_t ar;
ctf_encoding_t cte;
ssize_t size;
if ((kind = ctf_type_kind(g_fp, id)) == CTF_ERR)
ctfdump_fatal("encountered malformed ctf, type %s does not "
"have a kind: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
if (ctf_type_name(g_fp, id, name, sizeof (name)) == NULL) {
if (ctf_errno(g_fp) != ECTF_NOPARENT)
ctfdump_fatal("type %lu missing name: %s\n", id,
ctf_errmsg(ctf_errno(g_fp)));
(void) snprintf(name, sizeof (name), "(unknown %s)",
ctf_kind_name(g_fp, kind));
}
g_stats.cs_ntypes[kind]++;
if (root == B_TRUE)
ctfdump_printf(CTFDUMP_TYPES, " <%lu> ", id);
else
ctfdump_printf(CTFDUMP_TYPES, " [%lu] ", id);
switch (kind) {
case CTF_K_UNKNOWN:
break;
case CTF_K_INTEGER:
if (ctf_type_encoding(g_fp, id, &cte) == CTF_ERR)
ctfdump_fatal("failed to get encoding information "
"for %s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
ctfdump_intenc_name(&cte, ienc, sizeof (ienc));
ctfdump_printf(CTFDUMP_TYPES,
"%s encoding=%s offset=%u bits=%u",
name, ienc, cte.cte_offset, cte.cte_bits);
break;
case CTF_K_FLOAT:
if (ctf_type_encoding(g_fp, id, &cte) == CTF_ERR)
ctfdump_fatal("failed to get encoding information "
"for %s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
if (cte.cte_format < 1 || cte.cte_format > 12)
encn = "unknown";
else
encn = ctfdump_fpenc[cte.cte_format];
ctfdump_printf(CTFDUMP_TYPES, "%s encoding=%s offset=%u "
"bits=%u", name, encn, cte.cte_offset, cte.cte_bits);
break;
case CTF_K_POINTER:
if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
ctfdump_fatal("failed to get reference type for %s: "
"%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
ctfdump_printf(CTFDUMP_TYPES, "%s refers to %lu", name,
ref);
break;
case CTF_K_ARRAY:
if (ctf_array_info(g_fp, id, &ar) == CTF_ERR)
ctfdump_fatal("failed to get array information for "
"%s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
ctfdump_printf(CTFDUMP_TYPES, "%s contents: %lu, index: %lu",
name, ar.ctr_contents, ar.ctr_index);
break;
case CTF_K_FUNCTION:
if (ctf_func_info_by_id(g_fp, id, &ctc) == CTF_ERR)
ctfdump_fatal("failed to get function info for %s: "
"%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
if (ctc.ctc_argc > 0) {
ctfdump_fargs_grow(ctc.ctc_argc);
if (ctf_func_args_by_id(g_fp, id, g_nfargc, g_fargc) ==
CTF_ERR)
ctfdump_fatal("failed to get function "
"arguments for %s: %s\n", name,
ctf_errmsg(ctf_errno(g_fp)));
}
ctfdump_printf(CTFDUMP_TYPES,
"%s returns: %lu args: (", name, ctc.ctc_return);
for (i = 0; i < ctc.ctc_argc; i++) {
ctfdump_printf(CTFDUMP_TYPES, "%lu%s", g_fargc[i],
i + 1 == ctc.ctc_argc ? "" : ", ");
}
if (ctc.ctc_flags & CTF_FUNC_VARARG)
ctfdump_printf(CTFDUMP_TYPES, "%s...",
ctc.ctc_argc == 0 ? "" : ", ");
ctfdump_printf(CTFDUMP_TYPES, ")");
break;
case CTF_K_STRUCT:
case CTF_K_UNION:
size = ctf_type_size(g_fp, id);
if (size == CTF_ERR)
ctfdump_fatal("failed to get size of %s: %s\n", name,
ctf_errmsg(ctf_errno(g_fp)));
ctfdump_printf(CTFDUMP_TYPES, "%s (%d bytes)\n", name, size);
count = 0;
if (ctf_member_iter(g_fp, id, ctfdump_member_cb, &count) != 0)
ctfdump_fatal("failed to iterate members of %s: %s\n",
name, ctf_errmsg(ctf_errno(g_fp)));
if (kind == CTF_K_STRUCT) {
g_stats.cs_nsmembs += count;
g_stats.cs_nsmax = MAX(count, g_stats.cs_nsmax);
g_stats.cs_structsz += size;
g_stats.cs_sszmax = MAX(size, g_stats.cs_sszmax);
} else {
g_stats.cs_numembs += count;
g_stats.cs_numax = MAX(count, g_stats.cs_numax);
g_stats.cs_unionsz += size;
g_stats.cs_uszmax = MAX(count, g_stats.cs_uszmax);
}
break;
case CTF_K_ENUM:
ctfdump_printf(CTFDUMP_TYPES, "%s\n", name);
count = 0;
if (ctf_enum_iter(g_fp, id, ctfdump_enum_cb, &count) != 0)
ctfdump_fatal("failed to iterate enumerators of %s: "
"%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
g_stats.cs_nemembs += count;
g_stats.cs_nemax = MAX(g_stats.cs_nemax, count);
break;
case CTF_K_FORWARD:
ctfdump_printf(CTFDUMP_TYPES, "forward %s\n", name);
break;
case CTF_K_TYPEDEF:
if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
ctfdump_fatal("failed to get reference type for %s: "
"%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
ctfdump_printf(CTFDUMP_TYPES, "typedef %s refers to %lu", name,
ref);
break;
case CTF_K_VOLATILE:
if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
ctfdump_fatal("failed to get reference type for %s: "
"%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
ctfdump_printf(CTFDUMP_TYPES, "%s refers to %lu", name,
ref);
break;
case CTF_K_CONST:
if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
ctfdump_fatal("failed to get reference type for %s: "
"%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
ctfdump_printf(CTFDUMP_TYPES, "%s refers to %lu", name,
ref);
break;
case CTF_K_RESTRICT:
if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
ctfdump_fatal("failed to get reference type for %s: "
"%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
ctfdump_printf(CTFDUMP_TYPES, "%s refers to %lu", name,
ref);
break;
default:
ctfdump_fatal("encountered unknown kind for type %s: %d\n",
name, kind);
}
ctfdump_printf(CTFDUMP_TYPES, "\n");
return (0);
}
static void
ctfdump_source(void)
{
ulong_t nr_syms = ctf_nr_syms(g_fp);
ctf_id_t max_id = ctf_max_id(g_fp);
size_t count = 0;
(void) printf("/* Types */\n\n");
if ((idnames = calloc(max_id + 1, sizeof (idnames[0]))) == NULL) {
ctfdump_fatal("failed to alloc idnames: %s\n",
strerror(errno));
}
if (ctf_type_iter(g_fp, B_FALSE, ctfsrc_collect_types_cb,
idnames) == CTF_ERR) {
warnx("failed to collect types: %s",
ctf_errmsg(ctf_errno(g_fp)));
g_exit = 1;
}
qsort(idnames, max_id, sizeof (ctf_idname_t), idname_compare);
for (size_t i = 0; i < max_id; i++) {
if (idnames[i].ci_id != 0)
ctfsrc_type(idnames[i].ci_id, idnames[i].ci_name);
}
free(idnames);
(void) printf("\n\n/* Data Objects */\n\n");
if ((idnames = calloc(nr_syms, sizeof (idnames[0]))) == NULL) {
ctfdump_fatal("failed to alloc idnames: %s\n",
strerror(errno));
}
if (ctf_object_iter(g_fp, ctfsrc_collect_objects_cb,
&count) == CTF_ERR) {
warnx("failed to collect objects: %s",
ctf_errmsg(ctf_errno(g_fp)));
g_exit = 1;
}
qsort(idnames, count, sizeof (ctf_idname_t), idname_compare);
for (size_t i = 0; i < count; i++)
ctfsrc_object(idnames[i].ci_id, idnames[i].ci_name);
free(idnames);
(void) printf("\n\n/* Functions */\n\n");
if ((idnames = calloc(nr_syms, sizeof (idnames[0]))) == NULL) {
ctfdump_fatal("failed to alloc idnames: %s\n",
strerror(errno));
}
count = 0;
if (ctf_function_iter(g_fp, ctfsrc_collect_functions_cb,
&count) == CTF_ERR) {
warnx("failed to collect functions: %s",
ctf_errmsg(ctf_errno(g_fp)));
g_exit = 1;
}
qsort(idnames, count, sizeof (ctf_idname_t), idname_compare);
for (size_t i = 0; i < count; i++)
ctfsrc_function(&idnames[i]);
free(idnames);
}
/*
* Begin a macro.
*
* Once we figure out the type of the thing that we're supposed to dump (struct,
* union, or enum), we select the proper type-specific ops-vector for dumping.
*/
static int
fth_section_init(char *fullname)
{
ctf_id_t ltid = 0, tid;
char *curtype, *lpart, *part, *npart;
int lkind = 0, kind;
curtype = xstrdup(fullname);
lpart = NULL;
part = strtok(fullname, ".");
/*
* First figure out what sort of type we're looking at. Life would be
* simple if we were only going to get type names, but it's not - we
* could also get `type.member'. In that case, we need to figure out
* (and dump) the type of `member' instead.
*/
for (;;) {
if (lpart == NULL) {
/* First part - the struct name */
if ((tid = find_type(part)) == CTF_ERR ||
(tid = ctf_type_resolve(ctf, tid)) == CTF_ERR ||
(kind = ctf_type_kind(ctf, tid)) == CTF_ERR) {
free(curtype);
return (parse_warn("Couldn't find %s: %s",
part, ctf_errmsg(ctf_errno(ctf))));
}
} else {
/* Second (or more) part - the member name */
if (lkind != CTF_K_STRUCT && lkind != CTF_K_UNION) {
free(curtype);
return (parse_warn("%s isn't a struct/union",
lpart));
}
if ((tid = find_member(ltid, part)) <= 0) {
free(curtype);
return (parse_warn("%s isn't a member of %s",
part, lpart));
}
if ((kind = ctf_type_kind(ctf, tid)) == CTF_ERR) {
free(curtype);
return (parse_warn("Can't get kind for %s",
part));
}
}
/*
* Stop if there aren't any more parts. We use `npart' here
* because we don't want to clobber part - we need it later.
*/
if ((npart = strtok(NULL, ".")) == NULL)
break;
lpart = part;
ltid = tid;
lkind = kind;
part = npart;
}
/*
* Pick the right ops vector for dumping.
*/
switch (kind) {
case CTF_K_STRUCT:
case CTF_K_UNION:
fth_type_ops = &fth_struct_ops;
break;
case CTF_K_ENUM:
fth_type_ops = &fth_enum_ops;
break;
default:
fth_type_ops = &fth_null_ops;
free(curtype);
return (parse_warn("%s isn't a struct, union, or enum", part));
}
fth_curtype = curtype;
return (fth_type_ops->fto_header(tid));
}
