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8fc8fa80899c66937979cd5b807766a40b74cd13
irix-657m-src/irix/cmd/icrash/util.c
calmsacibis995 8fc8fa8089 Source code upload
2022-09-29 17:59:04 +03:00

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#ident "$Header: "
#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include <termio.h>
#include <sys/invent.h>
#include <klib/klib.h>
#include "icrash.h"
/*
* clear_dump() -- Clear out the memory dump.
*
* Do ONLY in the case that you are not on an active system, and the
* corefile is /dev/swap. We call this differently depending on
* whether we are running a report or not. For now, this will remain
* an undocumented feature.
*/
int
clear_dump()
{
FILE *xfp;
long long zero = 0LL;
if (!strcmp(corefile, "/dev/swap")) {
if (xfp = fopen(corefile, "w")) {
if (lseek(fileno(xfp), 0, SEEK_SET) >= 0) {
write(fileno(xfp), (char *)&zero, sizeof(long long));
}
fclose(xfp);
}
}
return 1;
}
#define I_BYTE 1
#define I_HWORD 2
#define I_WORD 4
#define I_DWORD 8
/*
* dump_memory()
*/
int
dump_memory(kaddr_t addr, k_uint_t ecount, int flags, FILE *ofp)
{
int i, j, k, l, s;
int short_print = -1, capture_ascii = 0, printblanks;
int base, ewidth, vaddr_mode, first_time = 1;
k_uint_t size;
kaddr_t a;
unsigned char *buf;
unsigned char *bp;
unsigned char *cp;
char cstr[17];
if (DEBUG(DC_FUNCTRACE, 4)) {
fprintf(ofp, "addr=0x%llx, ecount=%lld, flags=0x%x, file=0x%x\n",
addr, ecount, flags, ofp);
}
/* Determine the mode of addr (virtual/physical/kernelstack/etc.)
*/
vaddr_mode = kl_get_addr_mode(addr);
if (KL_ERROR) {
return(1);
}
/* Make sure there are no conflicts with the flags controlling
* the base (octal, hex, decimal) and element size (byte, half
* word, word and double word). Set base and ewidth to the highest
* priority flag that is set.
*/
if (flags & C_HEX) {
base = C_HEX;
}
else if (flags & C_DECIMAL) {
base = C_DECIMAL;
}
else if (flags & C_OCTAL) {
base = C_OCTAL;
}
else {
base = C_HEX;
}
/* If none of the width flags are set, use the pointer size to
* determine what the width should be.
*/
if (!(flags & C_DWORD) && !(flags & C_WORD) &&
!(flags & C_HWORD) && !(flags & C_BYTE)) {
if (PTRSZ64) {
flags |= C_DWORD;
}
else {
flags |= C_WORD;
}
}
if (flags & C_DWORD) {
if (addr % 8) {
if (!(addr % 4)) {
ewidth = I_WORD;
size = ecount * 4;
}
else if (!(addr % 2)) {
ewidth = I_HWORD;
size = ecount * 2;
}
else {
ewidth = I_BYTE;
size = ecount;
}
}
else {
ewidth = I_DWORD;
size = ecount * 8;
}
}
else if (flags & C_WORD) {
if (addr % 4) {
if (!(addr % 2)) {
ewidth = I_HWORD;
size = ecount * 2;
}
else {
ewidth = I_BYTE;
size = ecount;
}
}
else {
ewidth = I_WORD;
size = ecount * 4;
}
}
else if (flags & C_HWORD) {
if (addr %2) {
ewidth = I_BYTE;
size = ecount;
}
else {
ewidth = I_HWORD;
size = ecount * 2;
}
}
else if (flags & C_BYTE) {
ewidth = I_BYTE;
size = ecount;
}
/* Turn on ASCII dump if outputtting in HEX (for words and double
* words only).
*/
if ((base == C_HEX) && ((ewidth == I_DWORD) || (ewidth == I_WORD))) {
capture_ascii = 1;
}
buf = (unsigned char *)kl_alloc_block(IO_NBPC, K_TEMP);
fprintf(ofp, "\nDumping memory starting at ");
if (vaddr_mode == 4) {
fprintf(ofp, "physical address : 0x%0llx\n\n", addr);
}
else {
fprintf(ofp, "address : 0x%0llx\n\n", addr);
}
while (size) {
if (size > IO_NBPC) {
s = IO_NBPC;
size -= IO_NBPC;
}
else {
s = (int)size;
size = 0;
}
a = addr;
/*
* If the current block size extends beyond the end of the K0,
* K1, K2 memory, or the kernelstack, adjust size to end the
* dump there.
*/
if ((vaddr_mode == 0) && ((a + s) > (K_K0BASE + K_K0SIZE))) {
s = (int)((K_K0BASE + K_K0SIZE) - a);
size = 0;
short_print = 0;
}
else if ((vaddr_mode == 1) && ((a + s) > (K_K1BASE + K_K1SIZE))) {
s = (int)((K_K1BASE + K_K1SIZE) - a);
size = 0;
short_print = 1;
}
else if ((vaddr_mode == 2) && ((a + s) > (K_K2BASE + K_K2SIZE))) {
s = (int)((K_K2BASE + K_K2SIZE) - a);
size = 0;
short_print = 2;
}
else if ((vaddr_mode == 3) && ((a + s) >= K_KERNSTACK)) {
s = (K_KERNSTACK - a);
}
kl_get_block(addr, s, buf, "dump");
if (KL_ERROR) {
kl_free_block((k_ptr_t)buf);
return(-1);
}
bp = buf;
while(bp < (buf + s)) {
if (PTRSZ64) {
fprintf(ofp, "%016llx: ", a);
}
else {
fprintf(ofp, "%08llx: ", a);
}
a += 16;
i = 0;
k = 0;
printblanks = 0;
/* Set the character pointer for ASCII string to bp.
*/
if (capture_ascii) {
cp = (unsigned char*)bp;
}
while (i < 16) {
switch (ewidth) {
case I_DWORD:
if (base == C_HEX) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%016llx ", *(k_int_t*)bp);
}
}
else if (base == C_DECIMAL) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%020lld ", *(k_int_t*)bp);
}
}
else if (base == C_OCTAL) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%023llo ", *(k_int_t*)bp);
}
}
break;
case I_WORD:
if (base == C_HEX) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%08x ", *(uint*)bp);
}
}
else if (base == C_DECIMAL) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%011d ", *(uint*)bp);
}
}
else if (base == C_OCTAL) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%020o ", *(uint*)bp);
}
}
break;
case I_HWORD:
if (base == C_HEX) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%04x ", *(unsigned short*)bp);
}
}
else if (base == C_DECIMAL) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%06d ", *(unsigned short*)bp);
}
}
else if (base == C_OCTAL) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%07o ", *(unsigned short*)bp);
}
}
break;
case I_BYTE:
if (base == C_HEX) {
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%02x ", *(unsigned char*)bp);
}
}
else if (base == C_DECIMAL) {
if (i == 8) {
if (PTRSZ64) {
fprintf(ofp, "\n ");
}
else {
fprintf(ofp, "\n ");
}
}
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%04d ", *(unsigned char*)bp);
}
}
else if (base == C_OCTAL) {
if (i == 8) {
if (PTRSZ64) {
fprintf(ofp, "\n ");
}
else {
fprintf(ofp, "\n ");
}
}
if (printblanks) {
fprintf(ofp, " ");
}
else {
fprintf(ofp, "%04o ", *(unsigned char*)bp);
}
}
break;
}
/* Get an ASCII representation of the bytes being dumpped
*/
if (capture_ascii && !printblanks) {
for( j = 0; j < ewidth; j++) {
if (*cp >= 32 && *cp <= 126) {
cstr[k] = (char)*cp;
}
else {
cstr[k] = '.';
}
k++;
cp++;
}
}
i += ewidth;
bp += ewidth;
if ((i <= 16) && ((uint)bp == ((uint)buf + s))) {
printblanks = 1;
}
}
/* Dump the ASCII string
*/
if (capture_ascii) {
cstr[k] = 0;
fprintf(ofp, "|%s\n", cstr);
}
else {
fprintf(ofp, "\n");
}
}
if (size) {
addr += IO_NBPC;
}
}
if (short_print != -1) {
switch(short_print) {
case 0 : fprintf(ofp, "\nEnd of K0 segment!\n");
break;
case 1 : fprintf(ofp, "\nEnd of K1 segment!\n");
break;
case 2 : fprintf(ofp, "\nEnd of K2 segment!\n");
break;
}
}
fprintf(ofp, "\n");
kl_free_block((k_ptr_t)buf);
return(0);
}
/*
* print_putbuf() -- Print out the putbuf to a specific file descriptor.
*/
void
print_putbuf(FILE *ofp)
{
int i, j, k, l, pbufsize, psize;
char *np, *pbuf;
kaddr_t pbufp;
struct syment *putbuf_cpusz;
if (!ACTIVE && (K_DUMP_HDR->dmp_version > 2)) {
pbufsize = K_DUMP_HDR->dmp_putbuf_size;
}
else {
if (!(putbuf_cpusz = kl_get_sym("putbuf_cpusz", K_TEMP))) {
pbufsize = 1000;
}
else {
kl_get_block(putbuf_cpusz->n_value, 4, &psize, "putbuf_cpusz");
if (KL_ERROR) {
pbufsize = K_MAXCPUS * 0x800;
}
else {
pbufsize = K_MAXCPUS * psize;
}
}
}
np = kl_alloc_block(pbufsize + 500, K_TEMP);
pbuf = (char *)kl_alloc_block(pbufsize, K_TEMP);
if(!np || !pbuf || !pbufsize) {
return;
}
kl_get_block(K_PUTBUF, pbufsize, pbuf, "putbuf");
np[0] = '\t';
psize = strlen(pbuf);
for (i = 0, j = 1, l = 1; i < psize; i++) {
if (pbuf[i] == '\0') {
/* skip all the NULLs */
}
else if (pbuf[i] == '\n') {
np[j++] = pbuf[i];
for (k = 0; k < 4; k++) {
np[j++] = ' ';
}
l = 4;
}
else {
np[j++] = pbuf[i];
l++;
}
}
np[j] = '\0';
fprintf(ofp, "%s", np);
kl_free_block((k_ptr_t)np);
kl_free_block((k_ptr_t)pbuf);
return;
}
#define MAXRN 20 /* maximum length of the minor release name */
char *
get_releasename()
{
static char relname[MAXRN];
kaddr_t rnaddr;
rnaddr =kl_sym_addr("uname_releasename");
if(!rnaddr) return 0;
kl_get_block(rnaddr, MAXRN, relname, "relname");
return relname;
}
/*
* print_utsname() -- Print out utsname structure (uname -a)
*/
void
print_utsname(FILE *ofp)
{
char *relname=get_releasename();
k_ptr_t utsnamep;
if (!(utsnamep = kl_get_utsname(K_TEMP))) {
fprintf(ofp, " system name: UNKNOWN\n");
fprintf(ofp, " release: UNKNOWN (UNKNOWN)\n");
fprintf(ofp, " node name: UNKNOWN\n");
fprintf(ofp, " version: UNKNOWN\n");
fprintf(ofp, " machine name: UNKNOWN\n");
kl_free_block(relname);
return;
}
fprintf(ofp, " system name: %s\n",
CHAR(utsnamep, "utsname", "sysname"));
fprintf(ofp, " release: %s (%s)\n",
CHAR(utsnamep, "utsname", "release"), relname ? relname : "UNKNOWN");
fprintf(ofp, " node name: %s\n",
CHAR(utsnamep, "utsname", "nodename"));
fprintf(ofp, " version: %s\n",
CHAR(utsnamep, "utsname", "version"));
fprintf(ofp, " machine name: %s\n",
CHAR(utsnamep, "utsname", "machine"));
kl_free_block(utsnamep);
}
/*
* print_curtime() -- Print out the time of the system crash.
*/
void
print_curtime(FILE *ofp)
{
time_t curtime;
char *tbuf;
tbuf = (char *)kl_alloc_block(100, K_TEMP);
kl_get_block(K_TIME, 4, &curtime, "time");
cftime(tbuf, "%h %d %T %Y", &curtime);
fprintf(ofp, "%s\n", tbuf);
kl_free_block((k_ptr_t)tbuf);
}
#define INDENT_STR " "
/*
* helpformat() -- String format a line to within N - 3 characters, where
* N is based on the winsize. Return an allocated string.
* Note that this string must be freed up when completed.
*/
char *
helpformat(char *helpstr)
{
int indentsize = 0, index = 0, tmp = 0, col = 0;
char *t, buf[1024];
struct winsize w;
/* if NULL string, return */
if (!helpstr) {
return ((char *)0);
}
/* get the window size */
if (ioctl(fileno(stdout), TIOCGWINSZ, &w) < 0) {
return ((char *)0);
}
indentsize = strlen(INDENT_STR);
/* set up buffer plus a little extra for carriage returns, if needed */
t = (char *)malloc(strlen(helpstr) + 256);
bzero(t, strlen(helpstr) + 256);
/* Skip all initial whitespace -- do the indentions by hand. */
while (helpstr && isspace(*helpstr)) {
helpstr++;
}
strcat(t, INDENT_STR);
index = indentsize;
col = indentsize;
/* Keep getting words and putting them into the buffer, or put them on
* the next line if they don't fit.
*/
while (*helpstr != 0) {
tmp = 0;
bzero(&buf, 1024);
while (*helpstr && !isspace(*helpstr)) {
buf[tmp++] = *helpstr;
if (*helpstr == '\n') {
strcat(t, buf);
strcat(t, INDENT_STR);
col = indentsize;
index += indentsize;
tmp = 0;
}
helpstr++;
}
/* if it fits, put it on, otherwise, put in a carriage return */
if (col + tmp > w.ws_col - 3) {
t[index++] = '\n';
strcat(t, INDENT_STR);
col = indentsize;
index += indentsize;
}
/* put it on, add it up */
strcat(t, buf);
index += tmp;
col += tmp;
/* put all extra whitespace in (as much as they had in) */
while (helpstr && isspace(*helpstr)) {
t[index++] = *helpstr;
if (*helpstr == '\n') {
strcat(t, INDENT_STR);
index += indentsize;
col = 4;
}
else {
col++;
}
helpstr++;
}
}
/* put on a final carriage return and NULL for good measure */
t[index++] = '\n';
t[index] = 0;
return (t);
}
void
addinfo(__uint32_t *accum, __uint32_t *from, int n)
{
while (n--) {
*accum++ += *from++;
}
}
/*
* list_pid_entries()
*/
int
list_pid_entries(int flags, FILE *ofp)
{
int first_time = TRUE, i, pid_cnt = 0;
k_ptr_t psp, pep;
kaddr_t pid_slot, pid_entry;
if (DEBUG(DC_FUNCTRACE, 3)) {
fprintf(KL_ERRORFP, "list_pid_entries: flags=0x%x, ofp=0x%x\n",
flags, ofp);
}
kl_reset_error();
psp = kl_alloc_block(PID_SLOT_SIZE, K_TEMP);
pep = kl_alloc_block(PID_ENTRY_SIZE, K_TEMP);
for (i = 0; i < K_PIDTABSZ; i++) {
pid_slot = K_PIDTAB + (i * PID_SLOT_SIZE);
while (pid_slot) {
kl_get_struct(pid_slot, PID_SLOT_SIZE, psp, "pid_slot");
if (KL_ERROR) {
if (DEBUG(DC_GLOBAL, 1)) {
KL_ERROR |= KLE_BAD_PID_SLOT;
kl_print_debug("list_pid_entries");
}
pid_slot = 0;
continue;
}
/* Get the pointer to the pid_entry struct
*/
if (!(pid_entry = kl_kaddr(psp, "pid_slot", "ps_chain"))) {
pid_slot = 0;
continue;
}
/* Now get the pid_entry struct
*/
kl_get_struct(pid_entry, PID_ENTRY_SIZE, pep, "pid_entry");
if (KL_ERROR) {
if (DEBUG(DC_GLOBAL, 1)) {
KL_ERROR |= KLE_BAD_PID_SLOT;
kl_print_debug("list_pid_entries");
}
pid_slot = 0;
continue;
}
if (first_time) {
first_time = 0;
}
else if (flags & C_NEXT) {
pid_entry_banner(ofp, BANNER|SMAJOR);
}
print_pid_entry(pid_entry, pep, flags, ofp);
pid_cnt++;
pid_slot = kl_kaddr(pep, "pid_entry", "pe_next");
}
}
kl_free_block(psp);
kl_free_block(pep);
return (pid_cnt);
}
/*
* node_memory_banner()
*/
void
node_memory_banner(FILE *ofp, int flags)
{
if (flags & BANNER) {
fprintf(ofp, "MODULE SLOT NODEID NASID MEM_SIZE "
"ENABLED\n");
}
if (flags & SMAJOR) {
fprintf(ofp, "================================================"
"======\n");
}
if (flags & SMINOR) {
fprintf(ofp, "------------------------------------------------"
"------\n");
}
}
/*
* print_node_memory()
*/
int
print_node_memory(FILE *ofp, int nodeid, int flags)
{
int i, pages = 0, p;
banks_t *bank;
/* Verify that we have a valid nodeid
*/
if (K_IP == 27) {
if ((nodeid > (K_NASID_BITMASK + 1)) || !node_memory[nodeid]) {
return(0);
}
}
else {
if (nodeid > 0) {
return(0);
}
}
fprintf(ofp, "%6d %-12s %6d %5d %8d %s\n",
node_memory[nodeid]->n_module,
node_memory[nodeid]->n_slot,
node_memory[nodeid]->n_nodeid,
node_memory[nodeid]->n_nasid,
node_memory[nodeid]->n_memsize,
(node_memory[nodeid]->n_flag & INVENT_ENABLED) ?
" Y" : " N");
if (flags & (C_FULL|C_LIST)) {
fprintf(ofp, "\n");
if (node_memory[nodeid]->n_numbanks) {
bank = (banks_t*)&node_memory[nodeid]->n_bank;
for (i = 0; i < node_memory[nodeid]->n_numbanks; i++) {
if (bank[i].b_size) {
pages += print_memory_bank_info(ofp, i, &bank[i], flags);
}
}
}
else if (flags & C_LIST) {
kaddr_t addr;
fprintf(ofp, "\n");
if (K_IP == 27) {
p = K_MEM_PER_NODE / K_NBPC;
addr = ((k_uint_t)node_memory[nodeid]->n_nasid <<
K_NASID_SHIFT);
}
else {
p = (node_memory[nodeid]->n_memsize * 0x100000) / K_NBPC;
addr = K_RAM_OFFSET;
}
fprintf(ofp, "Memory from node %d found in vmcore image:\n\n",
node_memory[nodeid]->n_nodeid);
pages += print_dump_page_range(ofp, addr, p, 0);
}
fprintf(ofp, "\n");
}
return(pages);
}
/*
* print_dump_page_range()
*
* Print out the range of kernel addresses (K0) that are contained in
* the vmcore image.
*/
int
print_dump_page_range(FILE *ofp, kaddr_t start_addr, int pages, int flags)
{
int i, first_valid = 0, pages_found = 0;
kaddr_t addr, first_addr, last_addr = 0;
addr = start_addr;
for (i = 0; i < pages; i++, addr += K_NBPC) {
if (klib_page_in_dump(LIBMEM_DATA, addr)) {
if (!first_valid) {
first_addr = addr;
first_valid = 1;
}
last_addr = addr;
pages_found++;
continue;
}
else {
if (first_valid) {
fprintf(ofp, " 0x%llx", first_addr|K_K0BASE);
fprintf(ofp, "-->0x%llx\n",
(last_addr + K_NBPC - 1)|K_K0BASE);
first_valid = first_addr = last_addr = 0;
}
else {
continue;
}
}
}
/* If every page in range is in the dump, we will fall through
* to here without having printed out anything...so we have to
* print out the info here.
*/
if (first_valid) {
fprintf(ofp, " 0x%llx", first_addr|K_K0BASE);
fprintf(ofp, "-->0x%llx\n",
(last_addr + K_NBPC - 1)|K_K0BASE);
}
if (pages_found) {
fprintf(ofp, "\n");
}
if (pages_found == 1) {
fprintf(ofp, " 1 page found in vmcore image\n\n");
}
else {
fprintf(ofp, " %d pages found in vmcore image\n\n", pages_found);
}
return(pages_found);
}
/*
* print_memory_bank_info()
*/
int
print_memory_bank_info(FILE *ofp, int j, banks_t *bank, int flags)
{
int i, p, pages = 0;
fprintf(ofp, " BANK %d contains %d MB of memory\n", j, bank->b_size);
if (flags & C_LIST) {
kaddr_t addr, first_addr, last_addr = 0;
p = (bank->b_size * 0x100000) / K_NBPC;
fprintf(ofp, "\n");
pages = print_dump_page_range(ofp, bank->b_paddr, p, flags);
fprintf(ofp, "\n");
}
return(pages);
}
/*
* list_dump_memory()
*/
int
list_dump_memory(FILE *ofp)
{
int i, j, p, pages = 0;
kaddr_t addr;
if (K_IP == 27) {
int nasid;
kaddr_t value, nodepda;
for (i = 0; i < K_NUMNODES; i++) {
/* Get the address of the nodepda_s struct for this
* particular node. We can get the nasid from its address.
* Once we have the nasid, we can set the base address
* for our range search.
*/
value = (K_NODEPDAINDR + (i * K_NBPW));
kl_get_kaddr(value, &nodepda, "nodepda_s");
if (KL_ERROR) {
continue;
}
nasid = kl_addr_to_nasid(nodepda);
addr = ((k_uint_t)nasid << K_NASID_SHIFT);
p = K_MEM_PER_NODE / K_NBPC;
fprintf(ofp, "Memory from node %d found in vmcore image:\n\n", i);
pages += print_dump_page_range(ofp, addr, p, 0);
}
}
else {
pages += print_dump_page_range(ofp, K_RAM_OFFSET, K_PHYSMEM, 0);
}
return(pages);
}
/*
* list_system_memory()
*/
int
list_system_memory(FILE *ofp, int flags)
{
int n, j, first_time = 1, pages = 0;
banks_t *bank;
fprintf(ofp, "\n\n");
fprintf(ofp, "NODE MEMORY:\n\n");
node_memory_banner(ofp, BANNER|SMAJOR);
if (K_IP == 27) {
for (n = 0; n < (K_NASID_BITMASK + 1); n++) {
if (node_memory[n]) {
if (DEBUG(DC_GLOBAL, 1) || flags & (C_FULL|C_LIST)) {
if (first_time) {
first_time = 0;
}
else {
node_memory_banner(ofp, BANNER|SMAJOR);
}
}
pages += print_node_memory(ofp, n, flags);
}
}
}
else {
pages = print_node_memory(ofp, 0, flags);
}
node_memory_banner(ofp, SMAJOR);
return(pages);
}
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