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authorjb <jb@FreeBSD.org>2008-04-26 05:09:19 +0000
committerjb <jb@FreeBSD.org>2008-04-26 05:09:19 +0000
commit3719d4861d302aeba3327d201373775328f855ab (patch)
tree998e65b18f1c641b2c992775fb390d3f07eef511 /cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c
parent7bc32bb24c69d0256d0170c86445386fd5ae152d (diff)
downloadFreeBSD-src-3719d4861d302aeba3327d201373775328f855ab.zip
FreeBSD-src-3719d4861d302aeba3327d201373775328f855ab.tar.gz
* Handle the different ioctl design.
* Add a couple of FreeBSD action extensions.
Diffstat (limited to 'cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c')
-rw-r--r--cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c382
1 files changed, 374 insertions, 8 deletions
diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c
index 62d39e0..776fd17 100644
--- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c
+++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c
@@ -32,7 +32,9 @@
#include <limits.h>
#include <assert.h>
#include <ctype.h>
+#if defined(sun)
#include <alloca.h>
+#endif
#include <dt_impl.h>
#define DT_MASK_LO 0x00000000FFFFFFFFULL
@@ -710,7 +712,7 @@ dt_print_stddev(dtrace_hdl_t *dtp, FILE *fp, caddr_t addr,
/*ARGSUSED*/
int
dt_print_bytes(dtrace_hdl_t *dtp, FILE *fp, caddr_t addr,
- size_t nbytes, int width, int quiet)
+ size_t nbytes, int width, int quiet, int raw)
{
/*
* If the byte stream is a series of printable characters, followed by
@@ -723,7 +725,7 @@ dt_print_bytes(dtrace_hdl_t *dtp, FILE *fp, caddr_t addr,
if (nbytes == 0)
return (0);
- if (dtp->dt_options[DTRACEOPT_RAWBYTES] != DTRACEOPT_UNSET)
+ if (raw || dtp->dt_options[DTRACEOPT_RAWBYTES] != DTRACEOPT_UNSET)
goto raw;
for (i = 0; i < nbytes; i++) {
@@ -858,7 +860,7 @@ dt_print_stack(dtrace_hdl_t *dtp, FILE *fp, const char *format,
return (dt_set_errno(dtp, EDT_BADSTACKPC));
}
- if (pc == NULL)
+ if (pc == 0)
break;
addr += size;
@@ -946,15 +948,23 @@ dt_print_ustack(dtrace_hdl_t *dtp, FILE *fp, const char *format,
if (P != NULL)
dt_proc_lock(dtp, P); /* lock handle while we perform lookups */
- for (i = 0; i < depth && pc[i] != NULL; i++) {
+ for (i = 0; i < depth && pc[i] != 0; i++) {
const prmap_t *map;
if ((err = dt_printf(dtp, fp, "%*s", indent, "")) < 0)
break;
+#if defined(sun)
if (P != NULL && Plookup_by_addr(P, pc[i],
+#else
+ if (P != NULL && proc_addr2sym(P, pc[i],
+#endif
name, sizeof (name), &sym) == 0) {
+#if defined(sun)
(void) Pobjname(P, pc[i], objname, sizeof (objname));
+#else
+ (void) proc_objname(P, pc[i], objname, sizeof (objname));
+#endif
if (pc[i] > sym.st_value) {
(void) snprintf(c, sizeof (c),
@@ -965,8 +975,12 @@ dt_print_ustack(dtrace_hdl_t *dtp, FILE *fp, const char *format,
"%s`%s", dt_basename(objname), name);
}
} else if (str != NULL && str[0] != '\0' && str[0] != '@' &&
+#if defined(sun)
(P != NULL && ((map = Paddr_to_map(P, pc[i])) == NULL ||
(map->pr_mflags & MA_WRITE)))) {
+#else
+ (P != NULL && ((map = proc_addr2map(P, pc[i])) == NULL))) {
+#endif
/*
* If the current string pointer in the string table
* does not point to an empty string _and_ the program
@@ -982,8 +996,12 @@ dt_print_ustack(dtrace_hdl_t *dtp, FILE *fp, const char *format,
*/
(void) snprintf(c, sizeof (c), "%s", str);
} else {
+#if defined(sun)
if (P != NULL && Pobjname(P, pc[i], objname,
- sizeof (objname)) != NULL) {
+#else
+ if (P != NULL && proc_objname(P, pc[i], objname,
+#endif
+ sizeof (objname)) != 0) {
(void) snprintf(c, sizeof (c), "%s`0x%llx",
dt_basename(objname), (u_longlong_t)pc[i]);
} else {
@@ -1052,7 +1070,11 @@ dt_print_usym(dtrace_hdl_t *dtp, FILE *fp, caddr_t addr, dtrace_actkind_t act)
dt_proc_lock(dtp, P);
+#if defined(sun)
if (Plookup_by_addr(P, pc, NULL, 0, &sym) == 0)
+#else
+ if (proc_addr2sym(P, pc, NULL, 0, &sym) == 0)
+#endif
pc = sym.st_value;
dt_proc_unlock(dtp, P);
@@ -1095,7 +1117,11 @@ dt_print_umod(dtrace_hdl_t *dtp, FILE *fp, const char *format, caddr_t addr)
if (P != NULL)
dt_proc_lock(dtp, P); /* lock handle while we perform lookups */
- if (P != NULL && Pobjname(P, pc, objname, sizeof (objname)) != NULL) {
+#if defined(sun)
+ if (P != NULL && Pobjname(P, pc, objname, sizeof (objname)) != 0) {
+#else
+ if (P != NULL && proc_objname(P, pc, objname, sizeof (objname)) != 0) {
+#endif
(void) snprintf(c, sizeof (c), "%s", dt_basename(objname));
} else {
(void) snprintf(c, sizeof (c), "0x%llx", (u_longlong_t)pc);
@@ -1111,6 +1137,314 @@ dt_print_umod(dtrace_hdl_t *dtp, FILE *fp, const char *format, caddr_t addr)
return (err);
}
+int
+dt_print_memory(dtrace_hdl_t *dtp, FILE *fp, caddr_t addr)
+{
+ int quiet = (dtp->dt_options[DTRACEOPT_QUIET] != DTRACEOPT_UNSET);
+ size_t nbytes = *((uintptr_t *) addr);
+
+ return (dt_print_bytes(dtp, fp, addr + sizeof(uintptr_t),
+ nbytes, 50, quiet, 1));
+}
+
+typedef struct dt_type_cbdata {
+ dtrace_hdl_t *dtp;
+ dtrace_typeinfo_t dtt;
+ caddr_t addr;
+ caddr_t addrend;
+ const char *name;
+ int f_type;
+ int indent;
+ int type_width;
+ int name_width;
+ FILE *fp;
+} dt_type_cbdata_t;
+
+static int dt_print_type_data(dt_type_cbdata_t *, ctf_id_t);
+
+static int
+dt_print_type_member(const char *name, ctf_id_t type, ulong_t off, void *arg)
+{
+ dt_type_cbdata_t cbdata;
+ dt_type_cbdata_t *cbdatap = arg;
+ ssize_t ssz;
+
+ if ((ssz = ctf_type_size(cbdatap->dtt.dtt_ctfp, type)) <= 0)
+ return (0);
+
+ off /= 8;
+
+ cbdata = *cbdatap;
+ cbdata.name = name;
+ cbdata.addr += off;
+ cbdata.addrend = cbdata.addr + ssz;
+
+ return (dt_print_type_data(&cbdata, type));
+}
+
+static int
+dt_print_type_width(const char *name, ctf_id_t type, ulong_t off, void *arg)
+{
+ char buf[DT_TYPE_NAMELEN];
+ char *p;
+ dt_type_cbdata_t *cbdatap = arg;
+ size_t sz = strlen(name);
+
+ ctf_type_name(cbdatap->dtt.dtt_ctfp, type, buf, sizeof (buf));
+
+ if ((p = strchr(buf, '[')) != NULL)
+ p[-1] = '\0';
+ else
+ p = "";
+
+ sz += strlen(p);
+
+ if (sz > cbdatap->name_width)
+ cbdatap->name_width = sz;
+
+ sz = strlen(buf);
+
+ if (sz > cbdatap->type_width)
+ cbdatap->type_width = sz;
+
+ return (0);
+}
+
+static int
+dt_print_type_data(dt_type_cbdata_t *cbdatap, ctf_id_t type)
+{
+ caddr_t addr = cbdatap->addr;
+ caddr_t addrend = cbdatap->addrend;
+ char buf[DT_TYPE_NAMELEN];
+ char *p;
+ int cnt = 0;
+ uint_t kind = ctf_type_kind(cbdatap->dtt.dtt_ctfp, type);
+ ssize_t ssz = ctf_type_size(cbdatap->dtt.dtt_ctfp, type);
+
+ ctf_type_name(cbdatap->dtt.dtt_ctfp, type, buf, sizeof (buf));
+
+ if ((p = strchr(buf, '[')) != NULL)
+ p[-1] = '\0';
+ else
+ p = "";
+
+ if (cbdatap->f_type) {
+ int type_width = roundup(cbdatap->type_width + 1, 4);
+ int name_width = roundup(cbdatap->name_width + 1, 4);
+
+ name_width -= strlen(cbdatap->name);
+
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%*s%-*s%s%-*s = ",cbdatap->indent * 4,"",type_width,buf,cbdatap->name,name_width,p);
+ }
+
+ while (addr < addrend) {
+ dt_type_cbdata_t cbdata;
+ ctf_arinfo_t arinfo;
+ ctf_encoding_t cte;
+ uintptr_t *up;
+ void *vp = addr;
+ cbdata = *cbdatap;
+ cbdata.name = "";
+ cbdata.addr = addr;
+ cbdata.addrend = addr + ssz;
+ cbdata.f_type = 0;
+ cbdata.indent++;
+ cbdata.type_width = 0;
+ cbdata.name_width = 0;
+
+ if (cnt > 0)
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%*s", cbdatap->indent * 4,"");
+
+ switch (kind) {
+ case CTF_K_INTEGER:
+ if (ctf_type_encoding(cbdatap->dtt.dtt_ctfp, type, &cte) != 0)
+ return (-1);
+ if ((cte.cte_format & CTF_INT_SIGNED) != 0)
+ switch (cte.cte_bits) {
+ case 8:
+ if (isprint(*((char *) vp)))
+ dt_printf(cbdatap->dtp, cbdatap->fp, "'%c', ", *((char *) vp));
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%d (0x%x);\n", *((char *) vp), *((char *) vp));
+ break;
+ case 16:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%hd (0x%hx);\n", *((short *) vp), *((u_short *) vp));
+ break;
+ case 32:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%d (0x%x);\n", *((int *) vp), *((u_int *) vp));
+ break;
+ case 64:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%jd (0x%jx);\n", *((long long *) vp), *((unsigned long long *) vp));
+ break;
+ default:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "CTF_K_INTEGER: format %x offset %u bits %u\n",cte.cte_format,cte.cte_offset,cte.cte_bits);
+ break;
+ }
+ else
+ switch (cte.cte_bits) {
+ case 8:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%u (0x%x);\n", *((uint8_t *) vp) & 0xff, *((uint8_t *) vp) & 0xff);
+ break;
+ case 16:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%hu (0x%hx);\n", *((u_short *) vp), *((u_short *) vp));
+ break;
+ case 32:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%u (0x%x);\n", *((u_int *) vp), *((u_int *) vp));
+ break;
+ case 64:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%ju (0x%jx);\n", *((unsigned long long *) vp), *((unsigned long long *) vp));
+ break;
+ default:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "CTF_K_INTEGER: format %x offset %u bits %u\n",cte.cte_format,cte.cte_offset,cte.cte_bits);
+ break;
+ }
+ break;
+ case CTF_K_FLOAT:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "CTF_K_FLOAT: format %x offset %u bits %u\n",cte.cte_format,cte.cte_offset,cte.cte_bits);
+ break;
+ case CTF_K_POINTER:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%p;\n", *((void **) addr));
+ break;
+ case CTF_K_ARRAY:
+ if (ctf_array_info(cbdatap->dtt.dtt_ctfp, type, &arinfo) != 0)
+ return (-1);
+ dt_printf(cbdatap->dtp, cbdatap->fp, "{\n%*s",cbdata.indent * 4,"");
+ dt_print_type_data(&cbdata, arinfo.ctr_contents);
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%*s};\n",cbdatap->indent * 4,"");
+ break;
+ case CTF_K_FUNCTION:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "CTF_K_FUNCTION:\n");
+ break;
+ case CTF_K_STRUCT:
+ cbdata.f_type = 1;
+ if (ctf_member_iter(cbdatap->dtt.dtt_ctfp, type,
+ dt_print_type_width, &cbdata) != 0)
+ return (-1);
+ dt_printf(cbdatap->dtp, cbdatap->fp, "{\n");
+ if (ctf_member_iter(cbdatap->dtt.dtt_ctfp, type,
+ dt_print_type_member, &cbdata) != 0)
+ return (-1);
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%*s};\n",cbdatap->indent * 4,"");
+ break;
+ case CTF_K_UNION:
+ cbdata.f_type = 1;
+ if (ctf_member_iter(cbdatap->dtt.dtt_ctfp, type,
+ dt_print_type_width, &cbdata) != 0)
+ return (-1);
+ dt_printf(cbdatap->dtp, cbdatap->fp, "{\n");
+ if (ctf_member_iter(cbdatap->dtt.dtt_ctfp, type,
+ dt_print_type_member, &cbdata) != 0)
+ return (-1);
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%*s};\n",cbdatap->indent * 4,"");
+ break;
+ case CTF_K_ENUM:
+ dt_printf(cbdatap->dtp, cbdatap->fp, "%s;\n", ctf_enum_name(cbdatap->dtt.dtt_ctfp, type, *((int *) vp)));
+ break;
+ case CTF_K_TYPEDEF:
+ dt_print_type_data(&cbdata, ctf_type_reference(cbdatap->dtt.dtt_ctfp,type));
+ break;
+ case CTF_K_VOLATILE:
+ if (cbdatap->f_type)
+ dt_printf(cbdatap->dtp, cbdatap->fp, "volatile ");
+ dt_print_type_data(&cbdata, ctf_type_reference(cbdatap->dtt.dtt_ctfp,type));
+ break;
+ case CTF_K_CONST:
+ if (cbdatap->f_type)
+ dt_printf(cbdatap->dtp, cbdatap->fp, "const ");
+ dt_print_type_data(&cbdata, ctf_type_reference(cbdatap->dtt.dtt_ctfp,type));
+ break;
+ case CTF_K_RESTRICT:
+ if (cbdatap->f_type)
+ dt_printf(cbdatap->dtp, cbdatap->fp, "restrict ");
+ dt_print_type_data(&cbdata, ctf_type_reference(cbdatap->dtt.dtt_ctfp,type));
+ break;
+ default:
+ break;
+ }
+
+ addr += ssz;
+ cnt++;
+ }
+
+ return (0);
+}
+
+static int
+dt_print_type(dtrace_hdl_t *dtp, FILE *fp, caddr_t addr)
+{
+ caddr_t addrend;
+ char *p;
+ dtrace_typeinfo_t dtt;
+ dt_type_cbdata_t cbdata;
+ int num = 0;
+ int quiet = (dtp->dt_options[DTRACEOPT_QUIET] != DTRACEOPT_UNSET);
+ ssize_t ssz;
+
+ if (!quiet)
+ dt_printf(dtp, fp, "\n");
+
+ /* Get the total number of bytes of data buffered. */
+ size_t nbytes = *((uintptr_t *) addr);
+ addr += sizeof(uintptr_t);
+
+ /*
+ * Get the size of the type so that we can check that it matches
+ * the CTF data we look up and so that we can figure out how many
+ * type elements are buffered.
+ */
+ size_t typs = *((uintptr_t *) addr);
+ addr += sizeof(uintptr_t);
+
+ /*
+ * Point to the type string in the buffer. Get it's string
+ * length and round it up to become the offset to the start
+ * of the buffered type data which we would like to be aligned
+ * for easy access.
+ */
+ char *strp = (char *) addr;
+ int offset = roundup(strlen(strp) + 1, sizeof(uintptr_t));
+
+ /*
+ * The type string might have a format such as 'int [20]'.
+ * Check if there is an array dimension present.
+ */
+ if ((p = strchr(strp, '[')) != NULL) {
+ /* Strip off the array dimension. */
+ *p++ = '\0';
+
+ for (; *p != '\0' && *p != ']'; p++)
+ num = num * 10 + *p - '0';
+ } else
+ /* No array dimension, so default. */
+ num = 1;
+
+ /* Lookup the CTF type from the type string. */
+ if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, strp, &dtt) < 0)
+ return (-1);
+
+ /* Offset the buffer address to the start of the data... */
+ addr += offset;
+
+ ssz = ctf_type_size(dtt.dtt_ctfp, dtt.dtt_type);
+
+ if (typs != ssz) {
+ printf("Expected type size from buffer (%lu) to match type size looked up now (%ld)\n", (u_long) typs, (long) ssz);
+ return (-1);
+ }
+
+ cbdata.dtp = dtp;
+ cbdata.dtt = dtt;
+ cbdata.name = "";
+ cbdata.addr = addr;
+ cbdata.addrend = addr + nbytes;
+ cbdata.indent = 1;
+ cbdata.f_type = 1;
+ cbdata.type_width = 0;
+ cbdata.name_width = 0;
+ cbdata.fp = fp;
+
+ return (dt_print_type_data(&cbdata, dtt.dtt_type));
+}
+
static int
dt_print_sym(dtrace_hdl_t *dtp, FILE *fp, const char *format, caddr_t addr)
{
@@ -1430,7 +1764,7 @@ dt_print_datum(dtrace_hdl_t *dtp, FILE *fp, dtrace_recdesc_t *rec,
(uint32_t)normal);
break;
default:
- err = dt_print_bytes(dtp, fp, addr, size, 50, 0);
+ err = dt_print_bytes(dtp, fp, addr, size, 50, 0, 0);
break;
}
@@ -1805,6 +2139,18 @@ again:
goto nextrec;
}
+ if (act == DTRACEACT_PRINTM) {
+ if (dt_print_memory(dtp, fp, addr) < 0)
+ return (-1);
+ goto nextrec;
+ }
+
+ if (act == DTRACEACT_PRINTT) {
+ if (dt_print_type(dtp, fp, addr) < 0)
+ return (-1);
+ goto nextrec;
+ }
+
if (DTRACEACT_ISPRINTFLIKE(act)) {
void *fmtdata;
int (*func)(dtrace_hdl_t *, FILE *, void *,
@@ -1935,7 +2281,7 @@ nofmt:
break;
default:
n = dt_print_bytes(dtp, fp, addr,
- rec->dtrd_size, 33, quiet);
+ rec->dtrd_size, 33, quiet, 0);
break;
}
@@ -2064,13 +2410,20 @@ dt_consume_begin(dtrace_hdl_t *dtp, FILE *fp, dtrace_bufdesc_t *buf,
dt_begin_t begin;
processorid_t cpu = dtp->dt_beganon;
dtrace_bufdesc_t nbuf;
+#if !defined(sun)
+ dtrace_bufdesc_t *pbuf;
+#endif
int rval, i;
static int max_ncpus;
dtrace_optval_t size;
dtp->dt_beganon = -1;
+#if defined(sun)
if (dt_ioctl(dtp, DTRACEIOC_BUFSNAP, buf) == -1) {
+#else
+ if (dt_ioctl(dtp, DTRACEIOC_BUFSNAP, &buf) == -1) {
+#endif
/*
* We really don't expect this to fail, but it is at least
* technically possible for this to fail with ENOENT. In this
@@ -2132,7 +2485,12 @@ dt_consume_begin(dtrace_hdl_t *dtp, FILE *fp, dtrace_bufdesc_t *buf,
if (i == cpu)
continue;
+#if defined(sun)
if (dt_ioctl(dtp, DTRACEIOC_BUFSNAP, &nbuf) == -1) {
+#else
+ pbuf = &nbuf;
+ if (dt_ioctl(dtp, DTRACEIOC_BUFSNAP, &pbuf) == -1) {
+#endif
/*
* If we failed with ENOENT, it may be because the
* CPU was unconfigured -- this is okay. Any other
@@ -2239,7 +2597,11 @@ dtrace_consume(dtrace_hdl_t *dtp, FILE *fp,
if (dtp->dt_stopped && (i == dtp->dt_endedon))
continue;
+#if defined(sun)
if (dt_ioctl(dtp, DTRACEIOC_BUFSNAP, buf) == -1) {
+#else
+ if (dt_ioctl(dtp, DTRACEIOC_BUFSNAP, &buf) == -1) {
+#endif
/*
* If we failed with ENOENT, it may be because the
* CPU was unconfigured -- this is okay. Any other
@@ -2260,7 +2622,11 @@ dtrace_consume(dtrace_hdl_t *dtp, FILE *fp,
buf->dtbd_cpu = dtp->dt_endedon;
+#if defined(sun)
if (dt_ioctl(dtp, DTRACEIOC_BUFSNAP, buf) == -1) {
+#else
+ if (dt_ioctl(dtp, DTRACEIOC_BUFSNAP, &buf) == -1) {
+#endif
/*
* This _really_ shouldn't fail, but it is strictly speaking
* possible for this to return ENOENT if the CPU that called
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