root/usr/src/cmd/sgs/elfdump/common/corenote.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
/*
 * Copyright 2012 DEY Storage Systems, Inc.  All rights reserved.
 * Copyright (c) 2018, Joyent, Inc.
 * Copyright 2024 Oxide Computer Company
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/corectl.h>
#include <procfs.h>
#include <msg.h>
#include <_elfdump.h>
#include <struct_layout.h>
#include <conv.h>
#include <ctype.h>
#include <sys/sysmacros.h>


/*
 * This module contains the code that displays data from the note
 * sections found in illumos core files. The format of these
 * note sections are described in the core(5) manpage.
 */




/*
 * Much of the code in this file uses the "%*s" format to set
 * the left margin indentation. This macro combines the indent
 * integer argument and the NULL string that follows it.
 */
#define INDENT state->ns_indent, MSG_ORIG(MSG_STR_EMPTY)

/*
 * Indent unit, used for each nesting
 */
#define INDENT_STEP 4

/*
 * The PRINT_ macros are convenience wrappers on print_num(),
 * print_subtype(), and print_strbuf(). They reduce code
 * clutter by hiding the boilerplate arguments.
 *
 * Assumptions:
 *      - A variable named "layout" exists in the compilation
 *              environment, referencing the layout information for the
 *              current type.
 *      - The variable "state" references the current note state.
 */
#define PRINT_DEC(_title, _field) \
        print_num(state, _title, &layout->_field, SL_FMT_NUM_DEC)
#define PRINT_DEC_2UP(_title1, _field1, _title2, _field2) \
        print_num_2up(state, _title1, &layout->_field1, SL_FMT_NUM_DEC, \
            _title2, &layout->_field2, SL_FMT_NUM_DEC)
#define PRINT_HEX(_title, _field) \
        print_num(state, _title, &layout->_field, SL_FMT_NUM_HEX)
#define PRINT_HEX_2UP(_title1, _field1, _title2, _field2) \
        print_num_2up(state, _title1, &layout->_field1, SL_FMT_NUM_HEX, \
            _title2, &layout->_field2, SL_FMT_NUM_HEX)
#define PRINT_ZHEX(_title, _field) \
        print_num(state, _title, &layout->_field, SL_FMT_NUM_ZHEX)
#define PRINT_ZHEX_2UP(_title1, _field1, _title2, _field2) \
        print_num_2up(state, _title1, &layout->_field1, SL_FMT_NUM_ZHEX, \
            _title2, &layout->_field2, SL_FMT_NUM_ZHEX)
#define PRINT_SUBTYPE(_title, _field, _func) \
        print_subtype(state, _title, &layout->_field, _func)
#define PRINT_STRBUF(_title, _field) \
        print_strbuf(state, _title, &layout->_field)


/*
 * Structure used to maintain state data for a core note, or a subregion
 * (sub-struct) of a core note. These values would otherwise need to be
 * passed to nearly every routine.
 */
typedef struct {
        Half            ns_mach;        /* ELF machine type of core file */
        const sl_arch_layout_t *ns_arch; /* structure layout def for mach */
        int             ns_swap;        /* True if byte swapping is needed */
        int             ns_indent;      /* Left margin indentation */
        int             ns_vcol;        /* Column where value starts */
        int             ns_t2col;       /* Column where 2up title starts */
        int             ns_v2col;       /* Column where 2up value starts */
        const char      *ns_data;       /* Pointer to struct data area */
        Word            ns_len;         /* Length of struct data area */
} note_state_t;

/*
 * Standard signature for a dump function used to process a note
 * or a sub-structure within a note.
 */
typedef void (* dump_func_t)(note_state_t *state, const char *title);






/*
 * Some core notes contain string buffers of fixed size
 * that are expected to contain NULL terminated strings.
 * If the NULL is there, we can print these strings directly.
 * However, the potential exists for a corrupt file to have
 * a non-terminated buffer. This routine examines the given
 * string, and if the string is terminated, the string itself
 * is returned. Otherwise, it is copied to a static buffer,
 * and a pointer to the buffer is returned.
 */
static const char *
safe_str(const char *str, size_t n)
{
        static char     buf[2048];
        size_t          i, used;

        if (n == 0)
                return (MSG_ORIG(MSG_STR_EMPTY));

        /*
         * If the string is terminated and doesn't need escaping, we can return
         * it as is.
         */
        for (i = 0; i < n; i++) {
                if (str[i] == '\0')
                        return (str);

                if (!isascii(str[i]) || !isprint(str[i])) {
                        break;
                }
        }

        for (i = 0, used = 0; i < n; i++) {
                if (str[i] == '\0') {
                        if (used + 1 > sizeof (buf))
                                break;
                        buf[used++] = str[i];
                        return (buf);
                } else if (isascii(str[i]) && isprint(str[i])) {
                        if (used + 1 > sizeof (buf))
                                break;
                        buf[used++] = str[i];
                } else {
                        size_t len = snprintf(NULL, 0, "\\x%02x", str[i]);
                        if (used + len > sizeof (buf))
                                break;
                        (void) snprintf(buf + used, sizeof (buf) - used,
                            "\\x%02x", str[i]);
                        used += len;
                }
        }

        if (i == n && used < sizeof (buf)) {
                buf[used] = '\0';
                return (buf);
        }

        /*
         * If we got here, we would have overflowed. Figure out where we need to
         * start and truncate.
         */
        used = MIN(used, sizeof (buf) - 4);
        buf[used++] = '.';
        buf[used++] = '.';
        buf[used++] = '.';
        buf[used++] = '\0';
        return (buf);
}

/*
 * Convenience wrappers on top of the corresponding sl_XXX() functions.
 */
static Word
extract_as_word(note_state_t *state, const sl_field_t *fdesc)
{
        return (sl_extract_as_word(state->ns_data, state->ns_swap, fdesc));
}
static Lword
extract_as_lword(note_state_t *state, const sl_field_t *fdesc)
{
        return (sl_extract_as_lword(state->ns_data, state->ns_swap, fdesc));
}
static int
extract_as_sword(note_state_t *state, const sl_field_t *fdesc)
{
        return (sl_extract_as_sword(state->ns_data, state->ns_swap, fdesc));
}
static const char *
fmt_num(note_state_t *state, const sl_field_t *fdesc,
    sl_fmt_num_t fmt_type, sl_fmtbuf_t buf)
{
        return (sl_fmt_num(state->ns_data, state->ns_swap, fdesc,
            fmt_type, buf));
}


/*
 * Return true of the data for the specified field is available.
 */
inline static int
data_present(note_state_t *state, const sl_field_t *fdesc)
{
        return ((fdesc->slf_offset + fdesc->slf_eltlen) <= state->ns_len);
}

/*
 * indent_enter/exit are used to start/end output for a subitem.
 * On entry, a title is output, and the indentation level is raised
 * by one unit. On exit, the indentation level is restored to its
 * previous value.
 */
static void
indent_enter(note_state_t *state, const char *title,
    const sl_field_t *first_fdesc)
{
        /*
         * If the first field offset and extent fall past the end of the
         * available data, then return without printing a title. That note
         * is from an older core file that doesn't have all the fields
         * that we know about.
         */
        if (data_present(state, first_fdesc))
                dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_TITLE), INDENT, title);

        state->ns_indent += INDENT_STEP;
}
static void
indent_exit(note_state_t *state)
{
        state->ns_indent -= INDENT_STEP;
}


/*
 * print_num outputs a field on one line, in the format:
 *
 *      title: value
 */
static void
print_num(note_state_t *state, const char *title,
    const sl_field_t *fdesc, sl_fmt_num_t fmt_type)
{
        sl_fmtbuf_t     buf;

        /*
         * If the field offset and extent fall past the end of the
         * available data, then return without doing anything. That note
         * is from an older core file that doesn't have all the fields
         * that we know about.
         */
        if (!data_present(state, fdesc))
                return;

        dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE), INDENT,
            state->ns_vcol - state->ns_indent, title,
            fmt_num(state, fdesc, fmt_type, buf));
}

/*
 * print_num_2up outputs two fields on one line, in the format:
 *
 *      title1: value1  title2: value2
 */
static void
print_num_2up(note_state_t *state, const char *title1,
    const sl_field_t *fdesc1, sl_fmt_num_t fmt_type1, const char *title2,
    const sl_field_t *fdesc2, sl_fmt_num_t fmt_type2)
{
        sl_fmtbuf_t     buf1, buf2;

        /*
         * If the field offset and extent fall past the end of the
         * available data, then return without doing anything. That note
         * is from an older core file that doesn't have all the fields
         * that we know about.
         */
        if (!(data_present(state, fdesc1) &&
            data_present(state, fdesc2)))
                return;

        dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE_2UP), INDENT,
            state->ns_vcol - state->ns_indent, title1,
            state->ns_t2col - state->ns_vcol,
            fmt_num(state, fdesc1, fmt_type1, buf1),
            state->ns_v2col - state->ns_t2col, title2,
            fmt_num(state, fdesc2, fmt_type2, buf2));
}

/*
 * print_strbuf outputs a fixed sized character buffer field
 * on one line, in the format:
 *
 *      title: value
 */
static void
print_strbuf(note_state_t *state, const char *title,
    const sl_field_t *fdesc)
{
        Word    n;

        /*
         * If we are past the end of the data area, then return
         * without doing anything. That note is from an older core
         * file that doesn't have all the fields that we know about.
         *
         * Note that we are willing to accept a partial buffer,
         * so we don't use data_present() for this test.
         */
        if (fdesc->slf_offset >= state->ns_len)
                return;

        /*
         * We expect the full buffer to be present, but if there
         * is less than that, we will still proceed. The use of safe_str()
         * protects us from the effect of printing garbage data.
         */
        n = state->ns_len - fdesc->slf_offset;
        if (n > fdesc->slf_nelts)
                n = fdesc->slf_nelts;

        dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE), INDENT,
            state->ns_vcol - state->ns_indent,
            title, safe_str(fdesc->slf_offset + state->ns_data, n));
}

/*
 * print_str outputs an arbitrary string value item
 * on one line, in the format:
 *
 *      title: str
 */
static void
print_str(note_state_t *state, const char *title, const char *str)
{
        dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE), INDENT,
            state->ns_vcol - state->ns_indent, title, str);
}

/*
 * Used when one dump function needs to call another dump function
 * in order to display a subitem. This routine constructs a state
 * block for the sub-region, and then calls the dump function with it.
 * This limits the amount of data visible to the sub-function to that
 * for the sub-item.
 */
static void
print_subtype(note_state_t *state, const char *title,
    const sl_field_t *fdesc, dump_func_t dump_func)
{
        note_state_t sub_state;

        /*
         * If there is no data for the sub-item, return immediately.
         * Partial data is left to the dump function to handle,
         * as that can be a sign of an older core file with less data,
         * which can still be interpreted.
         */
        if (fdesc->slf_offset >= state->ns_len)
                return;

        /*
         * Construct a state block that reflects the sub-item
         */
        sub_state = *state;
        sub_state.ns_data += fdesc->slf_offset;
        sub_state.ns_len -= fdesc->slf_offset;
        if (sub_state.ns_len > fdesc->slf_eltlen)
                sub_state.ns_len = fdesc->slf_eltlen;

        (* dump_func)(&sub_state, title);
}


/*
 * Output a sequence of array elements, giving each
 * element an index, in the format:
 *
 *      [ndx] value
 *
 * entry:
 *      state - Current state
 *      base_desc - Field descriptor for 1st element of array
 *      nelts - # of array elements to display
 *      check_nelts - If True (1), nelts is clipped to fdesc->slf_nelts.
 *              If False (1), nelts is not clipped.
 *      title - Name of array
 */
static void
print_array(note_state_t *state, const sl_field_t *base_desc,
    sl_fmt_num_t fmt_type, int nelts, int check_nelts, const char *title)
{
        char            index1[MAXNDXSIZE], index2[MAXNDXSIZE];
        int             i;
        sl_field_t      fdesc1, fdesc2;

        if (check_nelts && (check_nelts > base_desc->slf_nelts))
                nelts = base_desc->slf_nelts;
        if (nelts == 0)
                return;

        indent_enter(state, title, base_desc);

        fdesc1 = fdesc2 = *base_desc;
        for (i = 0; i < nelts; ) {
                if (i == (nelts - 1)) {
                        /*  One final value is left  */
                        if (!data_present(state, &fdesc1))
                                break;
                        (void) snprintf(index1, sizeof (index1),
                            MSG_ORIG(MSG_FMT_INDEX2), EC_WORD(i));
                        print_num(state, index1, &fdesc1, fmt_type);
                        fdesc1.slf_offset += fdesc1.slf_eltlen;
                        i++;
                        continue;
                }

                /* There are at least 2 items left. Show 2 up. */
                fdesc2.slf_offset = fdesc1.slf_offset + fdesc1.slf_eltlen;
                if (!(data_present(state, &fdesc1) &&
                    data_present(state, &fdesc2)))
                        break;
                (void) snprintf(index1, sizeof (index1),
                    MSG_ORIG(MSG_FMT_INDEX2), EC_WORD(i));
                (void) snprintf(index2, sizeof (index2),
                    MSG_ORIG(MSG_FMT_INDEX2), EC_WORD(i + 1));
                print_num_2up(state, index1, &fdesc1, fmt_type,
                    index2, &fdesc2, fmt_type);
                fdesc1.slf_offset += 2 * fdesc1.slf_eltlen;
                i += 2;
        }

        indent_exit(state);
}


/*
 * Output information from auxv_t structure.
 */
static void
dump_auxv(note_state_t *state, const char *title)
{
        const sl_auxv_layout_t  *layout = state->ns_arch->auxv;
        union {
                Conv_cap_val_hw1_buf_t          hw1;
                Conv_cap_val_hw2_buf_t          hw2;
                Conv_cap_val_hw3_buf_t          hw3;
                Conv_cnote_auxv_af_buf_t        auxv_af;
                Conv_ehdr_flags_buf_t           ehdr_flags;
                Conv_secflags_buf_t             secflags;
                Conv_inv_buf_t                  inv;
        } conv_buf;
        sl_fmtbuf_t     buf;
        int             ndx, ndx_start;
        Word            sizeof_auxv;

        sizeof_auxv = layout->sizeof_struct.slf_eltlen;

        indent_enter(state, title, &layout->sizeof_struct);

        /*
         * Immediate indent_exit() restores the indent level to
         * that of the title. We include indentation as part of
         * the index string, which is right justified, and don't
         * want the usual indentation spacing.
         */
        indent_exit(state);

        ndx = 0;
        while (state->ns_len > sizeof_auxv) {
                char            index[(MAXNDXSIZE * 2) + 1];
                sl_fmt_num_t    num_fmt = SL_FMT_NUM_ZHEX;
                const char      *vstr = NULL;
                Word            w;
                int             type;
                sl_field_t      a_type_next;

                type = extract_as_word(state, &layout->a_type);
                ndx_start = ndx;
                switch (type) {
                case AT_NULL:
                        a_type_next = layout->a_type;
                        a_type_next.slf_offset += sizeof_auxv;
                        while ((state->ns_len - sizeof_auxv) >= sizeof_auxv) {
                                type = extract_as_word(state, &a_type_next);
                                if (type != AT_NULL)
                                        break;
                                ndx++;
                                state->ns_data += sizeof_auxv;
                                state->ns_len -= sizeof_auxv;
                        }
                        num_fmt = SL_FMT_NUM_HEX;
                        break;



                case AT_IGNORE:
                case AT_SUN_IFLUSH:
                        num_fmt = SL_FMT_NUM_HEX;
                        break;

                case AT_EXECFD:
                case AT_PHENT:
                case AT_PHNUM:
                case AT_PAGESZ:
                case AT_SUN_UID:
                case AT_SUN_RUID:
                case AT_SUN_GID:
                case AT_SUN_RGID:
                case AT_SUN_LPAGESZ:
                case AT_SUN_FPSIZE:
                case AT_SUN_FPTYPE:
                        num_fmt = SL_FMT_NUM_DEC;
                        break;

                case AT_FLAGS:  /* processor flags */
                        w = extract_as_word(state, &layout->a_val);
                        vstr = conv_ehdr_flags(state->ns_mach, w,
                            0, &conv_buf.ehdr_flags);
                        break;

                case AT_SUN_HWCAP:
                        w = extract_as_word(state, &layout->a_val);
                        vstr = conv_cap_val_hw1(w, state->ns_mach,
                            0, &conv_buf.hw1);
                        /*
                         * conv_cap_val_hw1() produces output like:
                         *
                         *      0xfff [ flg1 flg2 0xff]
                         *
                         * where the first hex value is the complete value,
                         * and the second is the leftover bits. We only
                         * want the part in brackets, and failing that,
                         * would rather fall back to formatting the full
                         * value ourselves.
                         */
                        while ((*vstr != '\0') && (*vstr != '['))
                                vstr++;
                        if (*vstr != '[')
                                vstr = NULL;
                        num_fmt = SL_FMT_NUM_HEX;
                        break;
                case AT_SUN_HWCAP2:
                        w = extract_as_word(state, &layout->a_val);
                        vstr = conv_cap_val_hw2(w, state->ns_mach,
                            0, &conv_buf.hw2);
                        /*
                         * conv_cap_val_hw2() produces output like:
                         *
                         *      0xfff [ flg1 flg2 0xff]
                         *
                         * where the first hex value is the complete value,
                         * and the second is the leftover bits. We only
                         * want the part in brackets, and failing that,
                         * would rather fall back to formatting the full
                         * value ourselves.
                         */
                        while ((*vstr != '\0') && (*vstr != '['))
                                vstr++;
                        if (*vstr != '[')
                                vstr = NULL;
                        num_fmt = SL_FMT_NUM_HEX;
                        break;
                case AT_SUN_HWCAP3:
                        w = extract_as_word(state, &layout->a_val);
                        vstr = conv_cap_val_hw3(w, state->ns_mach,
                            0, &conv_buf.hw3);
                        /*
                         * conv_cap_val_hw3() produces output like:
                         *
                         *      0xfff [ flg1 flg2 0xff]
                         *
                         * where the first hex value is the complete value,
                         * and the second is the leftover bits. We only
                         * want the part in brackets, and failing that,
                         * would rather fall back to formatting the full
                         * value ourselves.
                         */
                        while ((*vstr != '\0') && (*vstr != '['))
                                vstr++;
                        if (*vstr != '[')
                                vstr = NULL;
                        num_fmt = SL_FMT_NUM_HEX;
                        break;

                case AT_SUN_AUXFLAGS:
                        w = extract_as_word(state, &layout->a_val);
                        vstr = conv_cnote_auxv_af(w, 0, &conv_buf.auxv_af);
                        num_fmt = SL_FMT_NUM_HEX;
                        break;
                }

                if (ndx == ndx_start)
                        (void) snprintf(index, sizeof (index),
                            MSG_ORIG(MSG_FMT_INDEX2), EC_WORD(ndx));
                else
                        (void) snprintf(index, sizeof (index),
                            MSG_ORIG(MSG_FMT_INDEXRNG),
                            EC_WORD(ndx_start), EC_WORD(ndx));

                if (vstr == NULL)
                        vstr = fmt_num(state, &layout->a_val, num_fmt, buf);
                dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_AUXVLINE), INDENT, index,
                    state->ns_vcol - state->ns_indent,
                    conv_cnote_auxv_type(type, CONV_FMT_DECIMAL,
                    &conv_buf.inv), vstr);

                state->ns_data += sizeof_auxv;
                state->ns_len -= sizeof_auxv;
                ndx++;
        }
}


/*
 * Output information from fltset_t structure.
 */
static void
dump_fltset(note_state_t *state, const char *title)
{
#define NELTS 4

        const sl_fltset_layout_t        *layout = state->ns_arch->fltset;
        Conv_cnote_fltset_buf_t buf;
        sl_field_t              fdesc;
        uint32_t                mask[NELTS];
        int                     i, nelts;

        if (!data_present(state, &layout->sizeof_struct))
                return;

        fdesc = layout->word;
        nelts = fdesc.slf_nelts;
        if (nelts > NELTS)      /* Type has grown? Show what we understand */
                nelts = NELTS;
        for (i = 0; i < nelts; i++) {
                mask[i] = extract_as_word(state, &fdesc);
                fdesc.slf_offset += fdesc.slf_eltlen;
        }

        print_str(state, title, conv_cnote_fltset(mask, nelts, 0, &buf));

#undef NELTS
}


/*
 * Output information from sigset_t structure.
 */
static void
dump_sigset(note_state_t *state, const char *title)
{
#define NELTS 4

        const sl_sigset_layout_t        *layout = state->ns_arch->sigset;
        Conv_cnote_sigset_buf_t buf;
        sl_field_t              fdesc;
        uint32_t                mask[NELTS];
        int                     i, nelts;

        if (!data_present(state, &layout->sizeof_struct))
                return;

        fdesc = layout->sigbits;
        nelts = fdesc.slf_nelts;
        if (nelts > NELTS)      /* Type has grown? Show what we understand */
                nelts = NELTS;
        for (i = 0; i < nelts; i++) {
                mask[i] = extract_as_word(state, &fdesc);
                fdesc.slf_offset += fdesc.slf_eltlen;
        }

        print_str(state, title, conv_cnote_sigset(mask, nelts, 0, &buf));

#undef NELTS
}


/*
 * Output information from sigaction structure.
 */
static void
dump_sigaction(note_state_t *state, const char *title)
{
        const sl_sigaction_layout_t     *layout = state->ns_arch->sigaction;
        Conv_cnote_sa_flags_buf_t       conv_buf;
        Word    w;

        indent_enter(state, title, &layout->sa_flags);

        if (data_present(state, &layout->sa_flags)) {
                w = extract_as_word(state, &layout->sa_flags);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_SA_FLAGS),
                    conv_cnote_sa_flags(w, 0, &conv_buf));
        }

        PRINT_ZHEX_2UP(MSG_ORIG(MSG_CNOTE_T_SA_HANDLER), sa_hand,
            MSG_ORIG(MSG_CNOTE_T_SA_SIGACTION), sa_sigact);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_SA_MASK), sa_mask, dump_sigset);

        indent_exit(state);
}


/*
 * Output information from siginfo structure.
 */
static void
dump_siginfo(note_state_t *state, const char *title)
{
        const sl_siginfo_layout_t       *layout = state->ns_arch->siginfo;
        Conv_inv_buf_t  inv_buf;
        Word            w;
        int             v_si_code, v_si_signo;

        if (!data_present(state, &layout->sizeof_struct))
                return;

        indent_enter(state, title, &layout->f_si_signo);

        v_si_signo = extract_as_sword(state, &layout->f_si_signo);
        print_str(state, MSG_ORIG(MSG_CNOTE_T_SI_SIGNO),
            conv_cnote_signal(v_si_signo, CONV_FMT_DECIMAL, &inv_buf));

        w = extract_as_word(state, &layout->f_si_errno);
        print_str(state, MSG_ORIG(MSG_CNOTE_T_SI_ERRNO),
            conv_cnote_errno(w, CONV_FMT_DECIMAL, &inv_buf));

        v_si_code = extract_as_sword(state, &layout->f_si_code);
        print_str(state, MSG_ORIG(MSG_CNOTE_T_SI_CODE),
            conv_cnote_si_code(state->ns_mach, v_si_signo, v_si_code,
            CONV_FMT_DECIMAL, &inv_buf));

        if ((v_si_signo == 0) || (v_si_code == SI_NOINFO)) {
                indent_exit(state);
                return;
        }

        /* User generated signals have (si_code <= 0) */
        if (v_si_code <= 0) {
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_SI_PID), f_si_pid);
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_SI_UID), f_si_uid);
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_SI_CTID), f_si_ctid);
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_SI_ZONEID), f_si_zoneid);
                switch (v_si_code) {
                case SI_QUEUE:
                case SI_TIMER:
                case SI_ASYNCIO:
                case SI_MESGQ:
                        indent_enter(state, MSG_ORIG(MSG_CNOTE_T_SI_VALUE),
                            &layout->f_si_value_int);
                        PRINT_ZHEX(MSG_ORIG(MSG_CNOTE_T_SIVAL_INT),
                            f_si_value_int);
                        PRINT_ZHEX(MSG_ORIG(MSG_CNOTE_T_SIVAL_PTR),
                            f_si_value_ptr);
                        indent_exit(state);
                        break;
                }
                indent_exit(state);
                return;
        }

        /*
         * Remaining cases are kernel generated signals. Output any
         * signal or code specific information.
         */
        if (v_si_code == SI_RCTL)
                PRINT_HEX(MSG_ORIG(MSG_CNOTE_T_SI_ENTITY), f_si_entity);
        switch (v_si_signo) {
        case SIGILL:
        case SIGFPE:
        case SIGSEGV:
        case SIGBUS:
                PRINT_ZHEX(MSG_ORIG(MSG_CNOTE_T_SI_ADDR), f_si_addr);
                break;
        case SIGCHLD:
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_SI_PID), f_si_pid);
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_SI_STATUS), f_si_status);
                break;
        case SIGPOLL:
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_SI_BAND), f_si_band);
                break;
        }

        indent_exit(state);
}


/*
 * Output information from stack_t structure.
 */
static void
dump_stack(note_state_t *state, const char *title)
{
        const sl_stack_layout_t         *layout = state->ns_arch->stack;
        Conv_cnote_ss_flags_buf_t       conv_buf;
        Word            w;

        indent_enter(state, title, &layout->ss_size);

        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_SS_SP), &layout->ss_sp,
            SL_FMT_NUM_ZHEX, MSG_ORIG(MSG_CNOTE_T_SS_SIZE), &layout->ss_size,
            SL_FMT_NUM_HEX);

        if (data_present(state, &layout->ss_flags)) {
                w = extract_as_word(state, &layout->ss_flags);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_SS_FLAGS),
                    conv_cnote_ss_flags(w, 0, &conv_buf));
        }

        indent_exit(state);
}


/*
 * Output information from sysset_t structure.
 */
static void
dump_sysset(note_state_t *state, const char *title)
{
#define NELTS 16

        const sl_sysset_layout_t        *layout = state->ns_arch->sysset;
        Conv_cnote_sysset_buf_t buf;
        sl_field_t              fdesc;
        uint32_t                mask[NELTS];
        int                     i, nelts;

        if (!data_present(state, &layout->sizeof_struct))
                return;

        fdesc = layout->word;
        nelts = fdesc.slf_nelts;
        if (nelts > NELTS)      /* Type has grown? Show what we understand */
                nelts = NELTS;
        for (i = 0; i < nelts; i++) {
                mask[i] = extract_as_word(state, &fdesc);
                fdesc.slf_offset += fdesc.slf_eltlen;
        }

        print_str(state, title, conv_cnote_sysset(mask, nelts, 0, &buf));

#undef NELTS
}


/*
 * Output information from timestruc_t structure.
 */
static void
dump_timestruc(note_state_t *state, const char *title)
{
        const sl_timestruc_layout_t *layout = state->ns_arch->timestruc;

        indent_enter(state, title, &layout->tv_sec);

        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_TV_SEC), tv_sec,
            MSG_ORIG(MSG_CNOTE_T_TV_NSEC), tv_nsec);

        indent_exit(state);
}

/*
 * Output information from prsecflags_t structure.
 */
static void
dump_secflags(note_state_t *state, const char *title)
{
        const sl_prsecflags_layout_t *layout = state->ns_arch->prsecflags;
        Conv_secflags_buf_t inv;
        Lword lw;
        Word w;

        indent_enter(state, title, &layout->pr_version);

        w = extract_as_word(state, &layout->pr_version);

        if (w != PRSECFLAGS_VERSION_1) {
                PRINT_DEC(MSG_INTL(MSG_NOTE_BAD_SECFLAGS_VER), pr_version);
                dump_hex_bytes(state->ns_data, state->ns_len, state->ns_indent,
                    4, 3);
        } else {
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_VERSION), pr_version);
                lw = extract_as_lword(state, &layout->pr_effective);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_EFFECTIVE),
                    conv_prsecflags(lw, 0, &inv));

                lw = extract_as_lword(state, &layout->pr_inherit);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_INHERIT),
                    conv_prsecflags(lw, 0, &inv));

                lw = extract_as_lword(state, &layout->pr_lower);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_LOWER),
                    conv_prsecflags(lw, 0, &inv));

                lw = extract_as_lword(state, &layout->pr_upper);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_UPPER),
                    conv_prsecflags(lw, 0, &inv));
        }

        indent_exit(state);
}

/*
 * Output information from utsname structure.
 */
static void
dump_utsname(note_state_t *state, const char *title)
{
        const sl_utsname_layout_t       *layout = state->ns_arch->utsname;

        indent_enter(state, title, &layout->sysname);

        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_UTS_SYSNAME), sysname);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_UTS_NODENAME), nodename);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_UTS_RELEASE), release);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_UTS_VERSION), version);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_UTS_MACHINE), machine);

        indent_exit(state);
}


/*
 * Dump register contents
 */
static void
dump_prgregset(note_state_t *state, const char *title)
{
        sl_field_t      fdesc1, fdesc2;
        sl_fmtbuf_t     buf1, buf2;
        Conv_inv_buf_t  inv_buf1, inv_buf2;
        Word            w;

        fdesc1 = fdesc2 = state->ns_arch->prgregset->elt0;
        indent_enter(state, title, &fdesc1);

        for (w = 0; w < fdesc1.slf_nelts; ) {
                if (w == (fdesc1.slf_nelts - 1)) {
                        /* One last register is left */
                        if (!data_present(state, &fdesc1))
                                break;
                        dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE),
                            INDENT, state->ns_vcol - state->ns_indent,
                            conv_cnote_pr_regname(state->ns_mach, w,
                            CONV_FMT_DECIMAL, &inv_buf1),
                            fmt_num(state, &fdesc1, SL_FMT_NUM_ZHEX, buf1));
                        fdesc1.slf_offset += fdesc1.slf_eltlen;
                        w++;
                        continue;
                }

                /* There are at least 2 more registers left. Show 2 up */
                fdesc2.slf_offset = fdesc1.slf_offset + fdesc1.slf_eltlen;
                if (!(data_present(state, &fdesc1) &&
                    data_present(state, &fdesc2)))
                        break;
                dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE_2UP), INDENT,
                    state->ns_vcol - state->ns_indent,
                    conv_cnote_pr_regname(state->ns_mach, w,
                    CONV_FMT_DECIMAL, &inv_buf1),
                    state->ns_t2col - state->ns_vcol,
                    fmt_num(state, &fdesc1, SL_FMT_NUM_ZHEX, buf1),
                    state->ns_v2col - state->ns_t2col,
                    conv_cnote_pr_regname(state->ns_mach, w + 1,
                    CONV_FMT_DECIMAL, &inv_buf2),
                    fmt_num(state, &fdesc2, SL_FMT_NUM_ZHEX, buf2));
                fdesc1.slf_offset += 2 * fdesc1.slf_eltlen;
                w += 2;
        }

        indent_exit(state);
}

/*
 * Output information from lwpstatus_t structure.
 */
static void
dump_lwpstatus(note_state_t *state, const char *title)
{
        const sl_lwpstatus_layout_t     *layout = state->ns_arch->lwpstatus;
        Word            w, w2;
        int32_t         i;
        union {
                Conv_inv_buf_t                  inv;
                Conv_cnote_pr_flags_buf_t       flags;
        } conv_buf;

        indent_enter(state, title, &layout->pr_flags);

        if (data_present(state, &layout->pr_flags)) {
                w = extract_as_word(state, &layout->pr_flags);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_FLAGS),
                    conv_cnote_pr_flags(w, 0, &conv_buf.flags));
        }

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_LWPID), pr_lwpid);

        if (data_present(state, &layout->pr_why)) {
                w = extract_as_word(state, &layout->pr_why);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_WHY),
                    conv_cnote_pr_why(w, 0, &conv_buf.inv));

                if (data_present(state, &layout->pr_what)) {
                        w2 = extract_as_word(state, &layout->pr_what);
                        print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_WHAT),
                            conv_cnote_pr_what(w, w2, 0, &conv_buf.inv));
                }
        }

        if (data_present(state, &layout->pr_cursig)) {
                w = extract_as_word(state, &layout->pr_cursig);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_CURSIG),
                    conv_cnote_signal(w, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_INFO), pr_info, dump_siginfo);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_LWPPEND), pr_lwppend,
            dump_sigset);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_LWPHOLD), pr_lwphold,
            dump_sigset);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_ACTION), pr_action,
            dump_sigaction);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_ALTSTACK), pr_altstack,
            dump_stack);

        PRINT_ZHEX(MSG_ORIG(MSG_CNOTE_T_PR_OLDCONTEXT), pr_oldcontext);

        if (data_present(state, &layout->pr_syscall)) {
                w = extract_as_word(state, &layout->pr_syscall);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_SYSCALL),
                    conv_cnote_syscall(w, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_NSYSARG), pr_nsysarg);

        if (data_present(state, &layout->pr_errno)) {
                w = extract_as_word(state, &layout->pr_errno);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_ERRNO),
                    conv_cnote_errno(w, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        if (data_present(state, &layout->pr_nsysarg)) {
                w2 = extract_as_word(state, &layout->pr_nsysarg);
                print_array(state, &layout->pr_sysarg, SL_FMT_NUM_ZHEX, w2, 1,
                    MSG_ORIG(MSG_CNOTE_T_PR_SYSARG));
        }

        PRINT_HEX_2UP(MSG_ORIG(MSG_CNOTE_T_PR_RVAL1), pr_rval1,
            MSG_ORIG(MSG_CNOTE_T_PR_RVAL2), pr_rval2);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_CLNAME), pr_clname);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_TSTAMP), pr_tstamp,
            dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_UTIME), pr_utime, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_STIME), pr_stime, dump_timestruc);

        if (data_present(state, &layout->pr_errpriv)) {
                i = extract_as_sword(state, &layout->pr_errpriv);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_ERRPRIV),
                    conv_cnote_priv(i, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_ZHEX_2UP(MSG_ORIG(MSG_CNOTE_T_PR_USTACK), pr_ustack,
            MSG_ORIG(MSG_CNOTE_T_PR_INSTR), pr_instr);

        /*
         * In order to line up all the values in a single column,
         * we would have to set vcol to a very high value, which results
         * in ugly looking output that runs off column 80. So, we use
         * two levels of vcol, one for the contents so far, and a
         * higher one for the pr_reg sub-struct.
         */
        state->ns_vcol += 3;
        state->ns_t2col += 3;
        state->ns_v2col += 2;
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_REG), pr_reg, dump_prgregset);
        state->ns_vcol -= 3;
        state->ns_t2col -= 3;
        state->ns_v2col -= 2;

        /*
         * The floating point register state is complex, and highly
         * platform dependent. For now, we simply display it as
         * a hex dump. This can be replaced if better information
         * is required.
         */
        if (data_present(state, &layout->pr_fpreg)) {
                indent_enter(state, MSG_ORIG(MSG_CNOTE_T_PR_FPREG),
                    &layout->pr_fpreg);
                dump_hex_bytes(layout->pr_fpreg.slf_offset + state->ns_data,
                    layout->pr_fpreg.slf_eltlen, state->ns_indent, 4, 3);
                indent_exit(state);
        }

        indent_exit(state);
}


/*
 * Output information from pstatus_t structure.
 */
static void
dump_pstatus(note_state_t *state, const char *title)
{
        const sl_pstatus_layout_t       *layout = state->ns_arch->pstatus;
        Word                            w;
        union {
                Conv_inv_buf_t                  inv;
                Conv_cnote_pr_flags_buf_t       flags;
        } conv_buf;

        indent_enter(state, title, &layout->pr_flags);

        if (data_present(state, &layout->pr_flags)) {
                w = extract_as_word(state, &layout->pr_flags);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_FLAGS),
                    conv_cnote_pr_flags(w, 0, &conv_buf.flags));
        }

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_NLWP), pr_nlwp);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PID), pr_pid,
            MSG_ORIG(MSG_CNOTE_T_PR_PPID), pr_ppid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PGID), pr_pgid,
            MSG_ORIG(MSG_CNOTE_T_PR_SID), pr_sid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_ASLWPID), pr_aslwpid,
            MSG_ORIG(MSG_CNOTE_T_PR_AGENTID), pr_agentid);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_SIGPEND), pr_sigpend,
            dump_sigset);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_BRKBASE),
            &layout->pr_brkbase, SL_FMT_NUM_ZHEX,
            MSG_ORIG(MSG_CNOTE_T_PR_BRKSIZE),
            &layout->pr_brksize, SL_FMT_NUM_HEX);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_STKBASE),
            &layout->pr_stkbase, SL_FMT_NUM_ZHEX,
            MSG_ORIG(MSG_CNOTE_T_PR_STKSIZE),
            &layout->pr_stksize, SL_FMT_NUM_HEX);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_UTIME), pr_utime, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_STIME), pr_stime, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_CUTIME), pr_cutime,
            dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_CSTIME), pr_cstime,
            dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_SIGTRACE), pr_sigtrace,
            dump_sigset);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_FLTTRACE), pr_flttrace,
            dump_fltset);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_SYSENTRY), pr_sysentry,
            dump_sysset);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_SYSEXIT), pr_sysexit,
            dump_sysset);

        if (data_present(state, &layout->pr_dmodel)) {
                w = extract_as_word(state, &layout->pr_dmodel);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_DMODEL),
                    conv_cnote_pr_dmodel(w, 0, &conv_buf.inv));
        }

        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_TASKID), pr_taskid,
            MSG_ORIG(MSG_CNOTE_T_PR_PROJID), pr_projid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_NZOMB), pr_nzomb,
            MSG_ORIG(MSG_CNOTE_T_PR_ZONEID), pr_zoneid);

        /*
         * In order to line up all the values in a single column,
         * we would have to set vcol to a very high value, which results
         * in ugly looking output that runs off column 80. So, we use
         * two levels of vcol, one for the contents so far, and a
         * higher one for the pr_lwp sub-struct.
         */
        state->ns_vcol += 5;
        state->ns_t2col += 5;
        state->ns_v2col += 5;

        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_LWP), pr_lwp, dump_lwpstatus);
        state->ns_vcol -= 5;
        state->ns_t2col -= 5;
        state->ns_v2col -= 5;

        indent_exit(state);
}


/*
 * Output information from prstatus_t (<sys/old_procfs.h>) structure.
 */
static void
dump_prstatus(note_state_t *state, const char *title)
{
        const sl_prstatus_layout_t      *layout = state->ns_arch->prstatus;
        Word                            w, w2;
        int                             i;
        union {
                Conv_inv_buf_t                  inv;
                Conv_cnote_old_pr_flags_buf_t   flags;
        } conv_buf;

        indent_enter(state, title, &layout->pr_flags);

        if (data_present(state, &layout->pr_flags)) {
                w = extract_as_word(state, &layout->pr_flags);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_FLAGS),
                    conv_cnote_old_pr_flags(w, 0, &conv_buf.flags));
        }

        if (data_present(state, &layout->pr_why)) {
                w = extract_as_word(state, &layout->pr_why);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_WHY),
                    conv_cnote_pr_why(w, 0, &conv_buf.inv));


                if (data_present(state, &layout->pr_what)) {
                        w2 = extract_as_word(state, &layout->pr_what);
                        print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_WHAT),
                            conv_cnote_pr_what(w, w2, 0, &conv_buf.inv));
                }
        }

        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_INFO), pr_info, dump_siginfo);

        if (data_present(state, &layout->pr_cursig)) {
                w = extract_as_word(state, &layout->pr_cursig);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_CURSIG),
                    conv_cnote_signal(w, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_NLWP), pr_nlwp);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_SIGPEND), pr_sigpend,
            dump_sigset);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_SIGHOLD), pr_sighold,
            dump_sigset);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_ALTSTACK), pr_altstack,
            dump_stack);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_ACTION), pr_action,
            dump_sigaction);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PID), pr_pid,
            MSG_ORIG(MSG_CNOTE_T_PR_PPID), pr_ppid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PGRP), pr_pgrp,
            MSG_ORIG(MSG_CNOTE_T_PR_SID), pr_sid);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_UTIME), pr_utime, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_STIME), pr_stime, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_CUTIME), pr_cutime,
            dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_CSTIME), pr_cstime,
            dump_timestruc);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_CLNAME), pr_clname);

        if (data_present(state, &layout->pr_syscall)) {
                w = extract_as_word(state, &layout->pr_syscall);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_SYSCALL),
                    conv_cnote_syscall(w, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_NSYSARG), pr_nsysarg);

        if (data_present(state, &layout->pr_nsysarg)) {
                w2 = extract_as_word(state, &layout->pr_nsysarg);
                print_array(state, &layout->pr_sysarg, SL_FMT_NUM_ZHEX, w2, 1,
                    MSG_ORIG(MSG_CNOTE_T_PR_SYSARG));
        }

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_WHO), pr_who);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_LWPPEND), pr_sigpend,
            dump_sigset);
        PRINT_ZHEX(MSG_ORIG(MSG_CNOTE_T_PR_OLDCONTEXT), pr_oldcontext);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_BRKBASE),
            &layout->pr_brkbase, SL_FMT_NUM_ZHEX,
            MSG_ORIG(MSG_CNOTE_T_PR_BRKSIZE),
            &layout->pr_brksize, SL_FMT_NUM_HEX);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_STKBASE),
            &layout->pr_stkbase, SL_FMT_NUM_ZHEX,
            MSG_ORIG(MSG_CNOTE_T_PR_STKSIZE),
            &layout->pr_stksize, SL_FMT_NUM_HEX);
        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_PROCESSOR), pr_processor);

        if (data_present(state, &layout->pr_bind)) {
                i = extract_as_sword(state, &layout->pr_bind);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_BIND),
                    conv_cnote_psetid(i, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_ZHEX(MSG_ORIG(MSG_CNOTE_T_PR_INSTR), pr_instr);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_REG), pr_reg, dump_prgregset);

        indent_exit(state);
}


static void
dump_lwpname(note_state_t *state, const char *title)
{
        const sl_prlwpname_layout_t *layout = state->ns_arch->prlwpname;

        indent_enter(state, title, &layout->pr_lwpid);

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_LWPID), pr_lwpid);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_LWPNAME), pr_lwpname);

        indent_exit(state);
}


/*
 * Print percent from 16-bit binary fraction [0 .. 1]
 * Round up .01 to .1 to indicate some small percentage (the 0x7000 below).
 *
 * Note: This routine was copied from ps(1) and then modified.
 */
static const char *
prtpct_value(note_state_t *state, const sl_field_t *fdesc,
    sl_fmtbuf_t buf)
{
        uint_t value;           /* need 32 bits to compute with */

        value = extract_as_word(state, fdesc);
        value = ((value * 1000) + 0x7000) >> 15;        /* [0 .. 1000] */
        if (value >= 1000)
                value = 999;

        (void) snprintf(buf, sizeof (sl_fmtbuf_t),
            MSG_ORIG(MSG_CNOTE_FMT_PRTPCT), value / 10, value % 10);

        return (buf);
}



/*
 * Version of prtpct() used for a 2-up display of two adjacent percentages.
 */
static void
prtpct_2up(note_state_t *state, const sl_field_t *fdesc1,
    const char *title1, const sl_field_t *fdesc2, const char *title2)
{
        sl_fmtbuf_t     buf1, buf2;

        if (!(data_present(state, fdesc1) &&
            data_present(state, fdesc2)))
                return;

        dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE_2UP), INDENT,
            state->ns_vcol - state->ns_indent, title1,
            state->ns_t2col - state->ns_vcol,
            prtpct_value(state, fdesc1, buf1),
            state->ns_v2col - state->ns_t2col, title2,
            prtpct_value(state, fdesc2, buf2));
}


/*
 * The psinfo_t and prpsinfo_t structs have pr_state and pr_sname
 * fields that we wish to print in a 2up format. The pr_state is
 * an integer, while pr_sname is a single character.
 */
static void
print_state_sname_2up(note_state_t *state,
    const sl_field_t *state_fdesc,
    const sl_field_t *sname_fdesc)
{
        sl_fmtbuf_t     buf1, buf2;
        int             sname;

        /*
         * If the field slf_offset and extent fall past the end of the
         * available data, then return without doing anything. That note
         * is from an older core file that doesn't have all the fields
         * that we know about.
         */
        if (!(data_present(state, state_fdesc) &&
            data_present(state, sname_fdesc)))
                return;

        sname = extract_as_sword(state, sname_fdesc);
        buf2[0] = sname;
        buf2[1] = '\0';

        dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE_2UP), INDENT,
            state->ns_vcol - state->ns_indent, MSG_ORIG(MSG_CNOTE_T_PR_STATE),
            state->ns_t2col - state->ns_vcol,
            fmt_num(state, state_fdesc, SL_FMT_NUM_DEC, buf1),
            state->ns_v2col - state->ns_t2col, MSG_ORIG(MSG_CNOTE_T_PR_SNAME),
            buf2);
}

/*
 * Output information from lwpsinfo_t structure.
 */
static void
dump_lwpsinfo(note_state_t *state, const char *title)
{
        const sl_lwpsinfo_layout_t      *layout = state->ns_arch->lwpsinfo;
        Word                    w;
        int32_t                 i;
        union {
                Conv_cnote_proc_flag_buf_t      proc_flag;
                Conv_inv_buf_t                  inv;
        } conv_buf;

        indent_enter(state, title, &layout->pr_flag);

        if (data_present(state, &layout->pr_flag)) {
                w = extract_as_word(state, &layout->pr_flag);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_FLAG),
                    conv_cnote_proc_flag(w, 0, &conv_buf.proc_flag));
        }

        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_LWPID), &layout->pr_lwpid,
            SL_FMT_NUM_DEC, MSG_ORIG(MSG_CNOTE_T_PR_ADDR), &layout->pr_addr,
            SL_FMT_NUM_ZHEX);
        PRINT_HEX(MSG_ORIG(MSG_CNOTE_T_PR_WCHAN), pr_wchan);

        if (data_present(state, &layout->pr_stype)) {
                w = extract_as_word(state, &layout->pr_stype);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_STYPE),
                    conv_cnote_pr_stype(w, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        print_state_sname_2up(state, &layout->pr_state, &layout->pr_sname);

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_NICE), pr_nice);

        if (data_present(state, &layout->pr_syscall)) {
                w = extract_as_word(state, &layout->pr_syscall);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_SYSCALL),
                    conv_cnote_syscall(w, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_OLDPRI), pr_oldpri,
            MSG_ORIG(MSG_CNOTE_T_PR_CPU), pr_cpu);

        if (data_present(state, &layout->pr_pri) &&
            data_present(state, &layout->pr_pctcpu)) {
                sl_fmtbuf_t     buf1, buf2;

                dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE_2UP), INDENT,
                    state->ns_vcol - state->ns_indent,
                    MSG_ORIG(MSG_CNOTE_T_PR_PRI),
                    state->ns_t2col - state->ns_vcol,
                    fmt_num(state, &layout->pr_pri, SL_FMT_NUM_DEC, buf1),
                    state->ns_v2col - state->ns_t2col,
                    MSG_ORIG(MSG_CNOTE_T_PR_PCTCPU),
                    prtpct_value(state, &layout->pr_pctcpu, buf2));
        }

        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_START), pr_start, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_TIME), pr_time, dump_timestruc);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_CLNAME), pr_clname);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_NAME), pr_name);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_ONPRO), pr_onpro,
            MSG_ORIG(MSG_CNOTE_T_PR_BINDPRO), pr_bindpro);

        if (data_present(state, &layout->pr_bindpset)) {
                i = extract_as_sword(state, &layout->pr_bindpset);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_BINDPSET),
                    conv_cnote_psetid(i, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_LGRP), pr_lgrp);

        indent_exit(state);
}


/*
 * Output information from psinfo_t structure.
 */
static void
dump_psinfo(note_state_t *state, const char *title)
{
        const sl_psinfo_layout_t        *layout = state->ns_arch->psinfo;
        Word                            w;
        union {
                Conv_cnote_proc_flag_buf_t      proc_flag;
                Conv_inv_buf_t                  inv;
        } conv_buf;

        indent_enter(state, title, &layout->pr_flag);

        if (data_present(state, &layout->pr_flag)) {
                w = extract_as_word(state, &layout->pr_flag);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_FLAG),
                    conv_cnote_proc_flag(w, 0, &conv_buf.proc_flag));
        }

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_NLWP), pr_nlwp);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PID), pr_pid,
            MSG_ORIG(MSG_CNOTE_T_PR_PPID), pr_ppid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PGID), pr_pgid,
            MSG_ORIG(MSG_CNOTE_T_PR_SID), pr_sid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_UID), pr_uid,
            MSG_ORIG(MSG_CNOTE_T_PR_EUID), pr_euid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_GID), pr_gid,
            MSG_ORIG(MSG_CNOTE_T_PR_EGID), pr_egid);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_ADDR), &layout->pr_addr,
            SL_FMT_NUM_ZHEX, MSG_ORIG(MSG_CNOTE_T_PR_SIZE), &layout->pr_size,
            SL_FMT_NUM_HEX);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_RSSIZE),
            &layout->pr_rssize, SL_FMT_NUM_HEX, MSG_ORIG(MSG_CNOTE_T_PR_TTYDEV),
            &layout->pr_ttydev, SL_FMT_NUM_DEC);
        prtpct_2up(state, &layout->pr_pctcpu, MSG_ORIG(MSG_CNOTE_T_PR_PCTCPU),
            &layout->pr_pctmem, MSG_ORIG(MSG_CNOTE_T_PR_PCTMEM));
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_START), pr_start, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_TIME), pr_time, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_CTIME), pr_ctime, dump_timestruc);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_FNAME), pr_fname);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_PSARGS), pr_psargs);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_WSTAT), &layout->pr_wstat,
            SL_FMT_NUM_HEX, MSG_ORIG(MSG_CNOTE_T_PR_ARGC), &layout->pr_argc,
            SL_FMT_NUM_DEC);
        PRINT_ZHEX_2UP(MSG_ORIG(MSG_CNOTE_T_PR_ARGV), pr_argv,
            MSG_ORIG(MSG_CNOTE_T_PR_ENVP), pr_envp);

        if (data_present(state, &layout->pr_dmodel)) {
                w = extract_as_word(state, &layout->pr_dmodel);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_DMODEL),
                    conv_cnote_pr_dmodel(w, 0, &conv_buf.inv));
        }

        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_TASKID), pr_taskid,
            MSG_ORIG(MSG_CNOTE_T_PR_PROJID), pr_projid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_NZOMB), pr_nzomb,
            MSG_ORIG(MSG_CNOTE_T_PR_POOLID), pr_poolid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_ZONEID), pr_zoneid,
            MSG_ORIG(MSG_CNOTE_T_PR_CONTRACT), pr_contract);

        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_LWP), pr_lwp, dump_lwpsinfo);

        indent_exit(state);
}

/*
 * Output information from prpsinfo_t structure.
 */
static void
dump_prpsinfo(note_state_t *state, const char *title)
{
        const sl_prpsinfo_layout_t      *layout = state->ns_arch->prpsinfo;
        Word                            w;
        union {
                Conv_cnote_proc_flag_buf_t      proc_flag;
                Conv_inv_buf_t                  inv;
        } conv_buf;

        indent_enter(state, title, &layout->pr_state);

        print_state_sname_2up(state, &layout->pr_state, &layout->pr_sname);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_ZOMB), pr_zomb,
            MSG_ORIG(MSG_CNOTE_T_PR_NICE), pr_nice);

        if (data_present(state, &layout->pr_flag)) {
                w = extract_as_word(state, &layout->pr_flag);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_FLAG),
                    conv_cnote_proc_flag(w, 0, &conv_buf.proc_flag));
        }


        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_UID), pr_uid,
            MSG_ORIG(MSG_CNOTE_T_PR_GID), pr_gid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PID), pr_pid,
            MSG_ORIG(MSG_CNOTE_T_PR_PPID), pr_ppid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PGRP), pr_pgrp,
            MSG_ORIG(MSG_CNOTE_T_PR_SID), pr_sid);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_ADDR), &layout->pr_addr,
            SL_FMT_NUM_ZHEX, MSG_ORIG(MSG_CNOTE_T_PR_SIZE), &layout->pr_size,
            SL_FMT_NUM_HEX);
        PRINT_HEX_2UP(MSG_ORIG(MSG_CNOTE_T_PR_RSSIZE), pr_rssize,
            MSG_ORIG(MSG_CNOTE_T_PR_WCHAN), pr_wchan);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_START), pr_start, dump_timestruc);
        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_TIME), pr_time, dump_timestruc);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_PRI), pr_pri,
            MSG_ORIG(MSG_CNOTE_T_PR_OLDPRI), pr_oldpri);
        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_CPU), pr_cpu);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_OTTYDEV), pr_ottydev,
            MSG_ORIG(MSG_CNOTE_T_PR_LTTYDEV), pr_lttydev);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_CLNAME), pr_clname);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_FNAME), pr_fname);
        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_PSARGS), pr_psargs);

        if (data_present(state, &layout->pr_syscall)) {
                w = extract_as_word(state, &layout->pr_syscall);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_SYSCALL),
                    conv_cnote_syscall(w, CONV_FMT_DECIMAL, &conv_buf.inv));
        }

        PRINT_SUBTYPE(MSG_ORIG(MSG_CNOTE_T_PR_CTIME), pr_ctime, dump_timestruc);
        PRINT_HEX_2UP(MSG_ORIG(MSG_CNOTE_T_PR_BYSIZE), pr_bysize,
            MSG_ORIG(MSG_CNOTE_T_PR_BYRSSIZE), pr_byrssize);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_ARGC), &layout->pr_argc,
            SL_FMT_NUM_DEC, MSG_ORIG(MSG_CNOTE_T_PR_ARGV), &layout->pr_argv,
            SL_FMT_NUM_ZHEX);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PR_ENVP), &layout->pr_envp,
            SL_FMT_NUM_ZHEX, MSG_ORIG(MSG_CNOTE_T_PR_WSTAT), &layout->pr_wstat,
            SL_FMT_NUM_HEX);
        prtpct_2up(state, &layout->pr_pctcpu, MSG_ORIG(MSG_CNOTE_T_PR_PCTCPU),
            &layout->pr_pctmem, MSG_ORIG(MSG_CNOTE_T_PR_PCTMEM));
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_EUID), pr_euid,
            MSG_ORIG(MSG_CNOTE_T_PR_EGID), pr_egid);
        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_ASLWPID), pr_aslwpid);

        if (data_present(state, &layout->pr_dmodel)) {
                w = extract_as_word(state, &layout->pr_dmodel);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_DMODEL),
                    conv_cnote_pr_dmodel(w, 0, &conv_buf.inv));
        }

        indent_exit(state);
}


/*
 * Output information from prcred_t structure.
 */
static void
dump_prcred(note_state_t *state, const char *title)
{
        const sl_prcred_layout_t *layout = state->ns_arch->prcred;
        Word            ngroups;

        indent_enter(state, title, &layout->pr_euid);

        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_EUID), pr_euid,
            MSG_ORIG(MSG_CNOTE_T_PR_RUID), pr_ruid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_SUID), pr_suid,
            MSG_ORIG(MSG_CNOTE_T_PR_EGID), pr_egid);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_RGID), pr_rgid,
            MSG_ORIG(MSG_CNOTE_T_PR_SGID), pr_sgid);
        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_NGROUPS), pr_ngroups);

        if (data_present(state, &layout->pr_ngroups)) {
                ngroups = extract_as_word(state, &layout->pr_ngroups);
                print_array(state, &layout->pr_groups, SL_FMT_NUM_DEC, ngroups,
                    0, MSG_ORIG(MSG_CNOTE_T_PR_GROUPS));
        }

        indent_exit(state);
}


/*
 * Output information from prpriv_t structure.
 */
static void
dump_prpriv(note_state_t *state, const char *title)
{
        const sl_prpriv_layout_t *layout = state->ns_arch->prpriv;
        Word            nsets;

        indent_enter(state, title, &layout->pr_nsets);

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_NSETS), pr_nsets);
        PRINT_HEX(MSG_ORIG(MSG_CNOTE_T_PR_SETSIZE), pr_setsize);
        PRINT_HEX(MSG_ORIG(MSG_CNOTE_T_PR_INFOSIZE), pr_infosize);

        if (data_present(state, &layout->pr_nsets)) {
                nsets = extract_as_word(state, &layout->pr_nsets);
                print_array(state, &layout->pr_sets, SL_FMT_NUM_ZHEX, nsets,
                    0, MSG_ORIG(MSG_CNOTE_T_PR_SETS));
        }

        indent_exit(state);
}

static void
dump_prfdinfo(note_state_t *state, const char *title)
{
        const sl_prfdinfo_layout_t *layout = state->ns_arch->prfdinfo;
        char buf[1024];
        uint32_t fileflags, mode, fdflags;

        indent_enter(state, title, &layout->pr_fd);

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_FD), pr_fd);
        mode = extract_as_word(state, &layout->pr_mode);

        print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_MODE),
            conv_cnote_filemode(mode, 0, buf, sizeof (buf)));

        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_UID), pr_uid,
            MSG_ORIG(MSG_CNOTE_T_PR_GID), pr_gid);

        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_MAJOR), pr_major,
            MSG_ORIG(MSG_CNOTE_T_PR_MINOR), pr_minor);
        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_RMAJOR), pr_rmajor,
            MSG_ORIG(MSG_CNOTE_T_PR_RMINOR), pr_rminor);

        PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PR_INO), pr_ino);

        PRINT_DEC_2UP(MSG_ORIG(MSG_CNOTE_T_PR_SIZE), pr_size,
            MSG_ORIG(MSG_CNOTE_T_PR_OFFSET), pr_offset);

        fileflags = extract_as_word(state, &layout->pr_fileflags);

        print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_FILEFLAGS),
            conv_cnote_fileflags(fileflags, 0, buf, sizeof (buf)));

        fdflags = extract_as_word(state, &layout->pr_fdflags);
        print_str(state, MSG_ORIG(MSG_CNOTE_T_PR_FDFLAGS),
            conv_cnote_fdflags(fdflags, 0, buf, sizeof (buf)));

        PRINT_STRBUF(MSG_ORIG(MSG_CNOTE_T_PR_PATH), pr_path);

        indent_exit(state);
}

/*
 * Output information from priv_impl_info_t structure.
 */
static void
dump_priv_impl_info(note_state_t *state, const char *title)
{
        const sl_priv_impl_info_layout_t *layout;

        layout = state->ns_arch->priv_impl_info;
        indent_enter(state, title, &layout->priv_headersize);

        PRINT_HEX_2UP(MSG_ORIG(MSG_CNOTE_T_PRIV_HEADERSIZE), priv_headersize,
            MSG_ORIG(MSG_CNOTE_T_PRIV_FLAGS), priv_flags);

        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PRIV_NSETS),
            &layout->priv_nsets, SL_FMT_NUM_DEC,
            MSG_ORIG(MSG_CNOTE_T_PRIV_SETSIZE), &layout->priv_setsize,
            SL_FMT_NUM_HEX);
        print_num_2up(state, MSG_ORIG(MSG_CNOTE_T_PRIV_MAX), &layout->priv_max,
            SL_FMT_NUM_DEC, MSG_ORIG(MSG_CNOTE_T_PRIV_INFOSIZE),
            &layout->priv_infosize, SL_FMT_NUM_HEX);
        PRINT_HEX(MSG_ORIG(MSG_CNOTE_T_PRIV_GLOBALINFOSIZE),
            priv_globalinfosize);

        indent_exit(state);
}


/*
 * Dump information from an asrset_t array. This data
 * structure is specific to sparcv9, and does not appear
 * on any other platform.
 *
 * asrset_t is a simple array, defined in <sys/regset.h> as
 *      typedef int64_t asrset_t[16];    %asr16 - > %asr31
 *
 * As such, we do not make use of the struct_layout facilities
 * for this routine.
 */
static void
dump_asrset(note_state_t *state, const char *title)
{
        static const sl_field_t ftemplate = { 0, sizeof (int64_t), 16, 0 };
        sl_field_t      fdesc1, fdesc2;
        sl_fmtbuf_t     buf1, buf2;
        char            index1[MAXNDXSIZE * 2], index2[MAXNDXSIZE * 2];
        Word            w, nelts;

        fdesc1 = fdesc2 =  ftemplate;

        /* We expect 16 values, but will print whatever is actually there */
        nelts = state->ns_len / ftemplate.slf_eltlen;
        if (nelts == 0)
                return;

        indent_enter(state, title, &fdesc1);

        for (w = 0; w < nelts; ) {
                (void) snprintf(index1, sizeof (index1),
                    MSG_ORIG(MSG_FMT_ASRINDEX), w + 16);

                if (w == (nelts - 1)) {
                        /* One last register is left */
                        dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE),
                            INDENT, state->ns_vcol - state->ns_indent, index1,
                            fmt_num(state, &fdesc1, SL_FMT_NUM_ZHEX, buf1));
                        fdesc1.slf_offset += fdesc1.slf_eltlen;
                        w++;
                        continue;
                }

                /* There are at least 2 more registers left. Show 2 up */
                (void) snprintf(index2, sizeof (index2),
                    MSG_ORIG(MSG_FMT_ASRINDEX), w + 17);

                fdesc2.slf_offset = fdesc1.slf_offset + fdesc1.slf_eltlen;
                dbg_print(0, MSG_ORIG(MSG_CNOTE_FMT_LINE_2UP), INDENT,
                    state->ns_vcol - state->ns_indent, index1,
                    state->ns_t2col - state->ns_vcol,
                    fmt_num(state, &fdesc1, SL_FMT_NUM_ZHEX, buf1),
                    state->ns_v2col - state->ns_t2col, index2,
                    fmt_num(state, &fdesc2, SL_FMT_NUM_ZHEX, buf2));
                fdesc1.slf_offset += 2 * fdesc1.slf_eltlen;
                w += 2;
        }

        indent_exit(state);
}

static void
dump_upanic(note_state_t *state, const char *title)
{
        const sl_prupanic_layout_t *layout = state->ns_arch->prupanic;
        Conv_upanic_buf_t inv;
        Word w;

        indent_enter(state, title, &layout->pru_version);
        w = extract_as_word(state, &layout->pru_version);
        if (w != PRUPANIC_VERSION_1) {
                PRINT_DEC(MSG_INTL(MSG_NOTE_BAD_UPANIC_VER), pru_version);
                dump_hex_bytes(state->ns_data, state->ns_len, state->ns_indent,
                    4, 3);
        } else {
                PRINT_DEC(MSG_ORIG(MSG_CNOTE_T_PRU_VERSION), pru_version);
                w = extract_as_word(state, &layout->pru_flags);
                print_str(state, MSG_ORIG(MSG_CNOTE_T_PRU_FLAGS),
                    conv_prupanic(w, 0, &inv));

                if ((w & PRUPANIC_FLAG_MSG_VALID) != 0) {
                        /*
                         * We have a message that is _probably_ a text string,
                         * but the interface allows for arbitrary data. The only
                         * guarantee is that someone using this is probably up
                         * to no good. As a result, we basically try to print
                         * this as a string, but in the face of certain types of
                         * data, we hex escape it.
                         */
                        print_strbuf(state, MSG_ORIG(MSG_CNOTE_T_PRU_DATA),
                            &layout->pru_data);
                }
        }
}

static void
dump_cwd(note_state_t *state, const char *title)
{
        const sl_prcwd_layout_t *layout = state->ns_arch->prcwd;

        indent_enter(state, title, &layout->prcwd_fsid);

        if (data_present(state, &layout->prcwd_fsid)) {
                PRINT_HEX(MSG_ORIG(MSG_CNOTE_T_CWD_FSID), prcwd_fsid);
        }

        if (data_present(state, &layout->prcwd_fsname)) {
                print_strbuf(state, MSG_ORIG(MSG_CNOTE_T_CWD_FSNAME),
                    &layout->prcwd_fsname);
        }

        if (data_present(state, &layout->prcwd_mntpt)) {
                print_strbuf(state, MSG_ORIG(MSG_CNOTE_T_CWD_MNTPT),
                    &layout->prcwd_mntpt);
        }

        if (data_present(state, &layout->prcwd_mntspec)) {
                print_strbuf(state, MSG_ORIG(MSG_CNOTE_T_CWD_MNTSPEC),
                    &layout->prcwd_mntspec);
        }

        if (data_present(state, &layout->prcwd_cwd)) {
                print_strbuf(state, MSG_ORIG(MSG_CNOTE_T_CWD_CWD),
                    &layout->prcwd_cwd);
        }

        indent_exit(state);
}

corenote_ret_t
corenote(Half mach, int do_swap, Word type,
    const char *desc, Word descsz)
{
        note_state_t            state;

        /*
         * Get the per-architecture layout definition
         */
        state.ns_mach = mach;
        state.ns_arch = sl_mach(state.ns_mach);
        if (sl_mach(state.ns_mach) == NULL)
                return (CORENOTE_R_BADARCH);

        state.ns_swap = do_swap;
        state.ns_indent = 4;
        state.ns_t2col = state.ns_v2col = 0;
        state.ns_data = desc;
        state.ns_len = descsz;

        switch (type) {
        case NT_PRSTATUS:               /* prstatus_t <sys/old_procfs.h> */
                state.ns_vcol = 26;
                state.ns_t2col = 46;
                state.ns_v2col = 60;
                dump_prstatus(&state, MSG_ORIG(MSG_CNOTE_DESC_PRSTATUS_T));
                return (CORENOTE_R_OK);

        case NT_PRFPREG:                /* prfpregset_t <sys/procfs_isa.h> */
                return (CORENOTE_R_OK_DUMP);

        case NT_PRPSINFO:               /* prpsinfo_t   <sys/old_procfs.h> */
                state.ns_vcol = 20;
                state.ns_t2col = 41;
                state.ns_v2col = 54;
                dump_prpsinfo(&state, MSG_ORIG(MSG_CNOTE_DESC_PRPSINFO_T));
                return (CORENOTE_R_OK);

        case NT_PRXREG:                 /* prxregset_t <sys/procfs_isa.h> */
                return (CORENOTE_R_OK_DUMP);

        case NT_PLATFORM:               /* string from sysinfo(SI_PLATFORM) */
                dbg_print(0, MSG_ORIG(MSG_NOTE_DESC));
                dbg_print(0, MSG_ORIG(MSG_FMT_INDENT), safe_str(desc, descsz));
                return (CORENOTE_R_OK);

        case NT_AUXV:                   /* auxv_t array <sys/auxv.h> */
                state.ns_vcol = 18;
                dump_auxv(&state, MSG_ORIG(MSG_CNOTE_DESC_AUXV_T));
                return (CORENOTE_R_OK);

        case NT_GWINDOWS:               /* gwindows_t SPARC only */
                return (CORENOTE_R_OK_DUMP);

        case NT_ASRS:                   /* asrset_t <sys/regset> sparcv9 only */
                state.ns_vcol = 18;
                state.ns_t2col = 38;
                state.ns_v2col = 46;
                dump_asrset(&state, MSG_ORIG(MSG_CNOTE_DESC_ASRSET_T));
                return (CORENOTE_R_OK);

        case NT_LDT:                    /* ssd array <sys/sysi86.h> IA32 only */
                return (CORENOTE_R_OK_DUMP);

        case NT_PSTATUS:                /* pstatus_t <sys/procfs.h> */
                state.ns_vcol = 22;
                state.ns_t2col = 42;
                state.ns_v2col = 54;
                dump_pstatus(&state, MSG_ORIG(MSG_CNOTE_DESC_PSTATUS_T));
                return (CORENOTE_R_OK);

        case NT_PSINFO:                 /* psinfo_t <sys/procfs.h> */
                state.ns_vcol = 25;
                state.ns_t2col = 45;
                state.ns_v2col = 58;
                dump_psinfo(&state, MSG_ORIG(MSG_CNOTE_DESC_PSINFO_T));
                return (CORENOTE_R_OK);

        case NT_PRCRED:                 /* prcred_t <sys/procfs.h> */
                state.ns_vcol = 20;
                state.ns_t2col = 34;
                state.ns_v2col = 44;
                dump_prcred(&state, MSG_ORIG(MSG_CNOTE_DESC_PRCRED_T));
                return (CORENOTE_R_OK);

        case NT_UTSNAME:                /* struct utsname <sys/utsname.h> */
                state.ns_vcol = 18;
                dump_utsname(&state, MSG_ORIG(MSG_CNOTE_DESC_STRUCT_UTSNAME));
                return (CORENOTE_R_OK);

        case NT_LWPSTATUS:              /* lwpstatus_t <sys/procfs.h> */
                state.ns_vcol = 24;
                state.ns_t2col = 44;
                state.ns_v2col = 54;
                dump_lwpstatus(&state, MSG_ORIG(MSG_CNOTE_DESC_LWPSTATUS_T));
                return (CORENOTE_R_OK);

        case NT_LWPSINFO:               /* lwpsinfo_t <sys/procfs.h> */
                state.ns_vcol = 22;
                state.ns_t2col = 42;
                state.ns_v2col = 54;
                dump_lwpsinfo(&state, MSG_ORIG(MSG_CNOTE_DESC_LWPSINFO_T));
                return (CORENOTE_R_OK);

        case NT_PRPRIV:                 /* prpriv_t <sys/procfs.h> */
                state.ns_vcol = 21;
                state.ns_t2col = 34;
                state.ns_v2col = 38;
                dump_prpriv(&state, MSG_ORIG(MSG_CNOTE_DESC_PRPRIV_T));
                return (CORENOTE_R_OK);

        case NT_PRPRIVINFO:             /* priv_impl_info_t <sys/priv.h> */
                state.ns_vcol = 29;
                state.ns_t2col = 41;
                state.ns_v2col = 56;
                dump_priv_impl_info(&state,
                    MSG_ORIG(MSG_CNOTE_DESC_PRIV_IMPL_INFO_T));
                return (CORENOTE_R_OK);

        case NT_CONTENT:                /* core_content_t <sys/corectl.h> */
                if (sizeof (core_content_t) > descsz)
                        return (CORENOTE_R_BADDATA);
                {
                        static sl_field_t fdesc = { 0, 8, 0, 0 };
                        Conv_cnote_cc_content_buf_t conv_buf;
                        core_content_t content;

                        state.ns_vcol = 8;
                        indent_enter(&state,
                            MSG_ORIG(MSG_CNOTE_DESC_CORE_CONTENT_T),
                            &fdesc);
                        content = extract_as_lword(&state, &fdesc);
                        print_str(&state, MSG_ORIG(MSG_STR_EMPTY),
                            conv_cnote_cc_content(content, 0, &conv_buf));
                        indent_exit(&state);
                }
                return (CORENOTE_R_OK);

        case NT_ZONENAME:               /* string from getzonenamebyid(3C) */
                dbg_print(0, MSG_ORIG(MSG_NOTE_DESC));
                dbg_print(0, MSG_ORIG(MSG_FMT_INDENT), safe_str(desc, descsz));
                return (CORENOTE_R_OK);


        case NT_FDINFO:
                state.ns_vcol = 22;
                state.ns_t2col = 41;
                state.ns_v2col = 54;
                dump_prfdinfo(&state, MSG_ORIG(MSG_CNOTE_DESC_PRFDINFO_T));
                return (CORENOTE_R_OK);

        case NT_SPYMASTER:
                state.ns_vcol = 25;
                state.ns_t2col = 45;
                state.ns_v2col = 58;
                dump_psinfo(&state, MSG_ORIG(MSG_CNOTE_DESC_PSINFO_T));
                return (CORENOTE_R_OK);

        case NT_SECFLAGS:
                state.ns_vcol = 23;
                state.ns_t2col = 41;
                state.ns_v2col = 54;
                dump_secflags(&state, MSG_ORIG(MSG_CNOTE_DESC_PRSECFLAGS_T));
                return (CORENOTE_R_OK);

        case NT_LWPNAME:
                state.ns_vcol = 20;
                dump_lwpname(&state, MSG_ORIG(MSG_CNOTE_DESC_PRLWPNAME_T));
                return (CORENOTE_R_OK);

        case NT_UPANIC:
                state.ns_vcol = 23;
                dump_upanic(&state, MSG_ORIG(MSG_CNOTE_DESC_PRUPANIC_T));
                return (CORENOTE_R_OK);

        case NT_CWD:
                state.ns_vcol = 23;
                dump_cwd(&state, MSG_ORIG(MSG_CNOTE_DESC_PRCWD_T));
                return (CORENOTE_R_OK);
        }

        return (CORENOTE_R_BADTYPE);
}