tv->tv_usec %= 1000000;
}
-const char *
-xlookup(const struct xlat *xlat, const uint64_t val)
-{
- for (; xlat->str != NULL; xlat++)
- if (xlat->val == val)
- return xlat->str;
- return NULL;
-}
-
-static int
-xlat_bsearch_compare(const void *a, const void *b)
-{
- const uint64_t val1 = *(const uint64_t *) a;
- const uint64_t val2 = ((const struct xlat *) b)->val;
- return (val1 > val2) ? 1 : (val1 < val2) ? -1 : 0;
-}
-
-const char *
-xlat_search(const struct xlat *xlat, const size_t nmemb, const uint64_t val)
-{
- const struct xlat *e =
- bsearch((const void*) &val,
- xlat, nmemb, sizeof(*xlat), xlat_bsearch_compare);
-
- return e ? e->str : NULL;
-}
-
#if !defined HAVE_STPCPY
char *
stpcpy(char *dst, const char *src)
next_set_bit(const void *bit_array, unsigned cur_bit, unsigned size_bits)
{
const unsigned endian = 1;
- int little_endian = * (char *) (void *) &endian;
+ int little_endian = *(char *) (void *) &endian;
const uint8_t *array = bit_array;
unsigned pos = cur_bit / 8;
}
}
-/**
- * Print entry in struct xlat table, if there.
- *
- * @param val Value to search a literal representation for.
- * @param dflt String (abbreviated in comment syntax) which should be emitted
- * if no appropriate xlat value has been found.
- * @param xlat (And the following arguments) Pointers to arrays of xlat values.
- * The last argument should be NULL.
- * @return 1 if appropriate xlat value has been found, 0 otherwise.
- */
-int
-printxvals(const uint64_t val, const char *dflt, const struct xlat *xlat, ...)
-{
- va_list args;
-
- va_start(args, xlat);
- for (; xlat; xlat = va_arg(args, const struct xlat *)) {
- const char *str = xlookup(xlat, val);
-
- if (str) {
- tprints(str);
- va_end(args);
- return 1;
- }
- }
- /* No hits -- print raw # instead. */
- tprintf("%#" PRIx64, val);
- tprints_comment(dflt);
-
- va_end(args);
-
- return 0;
-}
-
-/**
- * Print entry in sorted struct xlat table, if it is there.
- *
- * @param xlat Pointer to an array of xlat values (not terminated with
- * XLAT_END).
- * @param xlat_size Number of xlat elements present in array (usually ARRAY_SIZE
- * if array is declared in the unit's scope and not
- * terminated with XLAT_END).
- * @param val Value to search literal representation for.
- * @param dflt String (abbreviated in comment syntax) which should be
- * emitted if no appropriate xlat value has been found.
- * @return 1 if appropriate xlat value has been found, 0
- * otherwise.
- */
-int
-printxval_searchn(const struct xlat *xlat, size_t xlat_size, uint64_t val,
- const char *dflt)
-{
- const char *s = xlat_search(xlat, xlat_size, val);
-
- if (s) {
- tprints(s);
- return 1;
- }
-
- tprintf("%#" PRIx64, val);
- tprints_comment(dflt);
-
- return 0;
-}
-
/*
* Fetch 64bit argument at position arg_no and
* return the index of the next argument.
arg_no++;
}
#else /* SIZEOF_KERNEL_LONG_T == 4 */
-# if defined __ARM_EABI__ || \
- defined LINUX_MIPSO32 || \
- defined POWERPC || \
- defined XTENSA
+# if defined __ARM_EABI__ \
+ || defined LINUX_MIPSO32 \
+ || defined POWERPC \
+ || defined XTENSA
/* Align arg_no to the next even number. */
arg_no = (arg_no + 1) & 0xe;
# elif defined SH
return arg_no;
}
-/*
- * Interpret `xlat' as an array of flags
- * print the entries whose bits are on in `flags'
- */
-void
-addflags(const struct xlat *xlat, uint64_t flags)
-{
- for (; xlat->str; xlat++) {
- if (xlat->val && (flags & xlat->val) == xlat->val) {
- tprintf("|%s", xlat->str);
- flags &= ~xlat->val;
- }
- }
- if (flags) {
- tprintf("|%#" PRIx64, flags);
- }
-}
-
-/*
- * Interpret `xlat' as an array of flags.
- * Print to static string the entries whose bits are on in `flags'
- * Return static string.
- */
-const char *
-sprintflags(const char *prefix, const struct xlat *xlat, uint64_t flags)
-{
- static char outstr[1024];
- char *outptr;
- int found = 0;
-
- outptr = stpcpy(outstr, prefix);
-
- if (flags == 0 && xlat->val == 0 && xlat->str) {
- strcpy(outptr, xlat->str);
- return outstr;
- }
-
- for (; xlat->str; xlat++) {
- if (xlat->val && (flags & xlat->val) == xlat->val) {
- if (found)
- *outptr++ = '|';
- outptr = stpcpy(outptr, xlat->str);
- found = 1;
- flags &= ~xlat->val;
- if (!flags)
- break;
- }
- }
- if (flags) {
- if (found)
- *outptr++ = '|';
- outptr += sprintf(outptr, "%#" PRIx64, flags);
- }
-
- return outstr;
-}
-
-int
-printflags64(const struct xlat *xlat, uint64_t flags, const char *dflt)
-{
- int n;
- const char *sep;
-
- if (flags == 0 && xlat->val == 0 && xlat->str) {
- tprints(xlat->str);
- return 1;
- }
-
- sep = "";
- for (n = 0; xlat->str; xlat++) {
- if (xlat->val && (flags & xlat->val) == xlat->val) {
- tprintf("%s%s", sep, xlat->str);
- flags &= ~xlat->val;
- sep = "|";
- n++;
- }
- }
-
- if (n) {
- if (flags) {
- tprintf("%s%#" PRIx64, sep, flags);
- n++;
- }
- } else {
- if (flags) {
- tprintf("%#" PRIx64, flags);
- tprints_comment(dflt);
- } else {
- if (dflt)
- tprints("0");
- }
- }
-
- return n;
-}
-
void
printaddr(const kernel_ulong_t addr)
{
#endif
}
+unsigned long
+getfdinode(struct tcb *tcp, int fd)
+{
+ char path[PATH_MAX + 1];
+
+ if (getfdpath(tcp, fd, path, sizeof(path)) >= 0) {
+ const char *str = STR_STRIP_PREFIX(path, "socket:[");
+
+ if (str != path) {
+ const size_t str_len = strlen(str);
+ if (str_len && str[str_len - 1] == ']')
+ return strtoul(str, NULL, 10);
+ }
+ }
+
+ return 0;
+}
+
void
printfd(struct tcb *tcp, int fd)
{
}
/* Cap path length to the path buffer size */
- if (n > sizeof path - 1)
- n = sizeof path - 1;
+ if (n > sizeof(path) - 1)
+ n = sizeof(path) - 1;
/* Fetch one byte more to find out whether path length > n. */
nul_seen = umovestr(tcp, addr, n + 1, path);
printstr_ex(struct tcb *const tcp, const kernel_ulong_t addr,
const kernel_ulong_t len, const unsigned int user_style)
{
- static char *str = NULL;
+ static char *str;
static char *outstr;
+
unsigned int size;
unsigned int style = user_style;
int rc;
}
/* Allocate static buffers if they are not allocated yet. */
if (!str) {
- unsigned int outstr_size = 4 * max_strlen + /*for quotes and NUL:*/ 3;
+ const unsigned int outstr_size =
+ 4 * max_strlen + /* for quotes and NUL */ 3;
+ /*
+ * We can assume that outstr_size / 4 == max_strlen
+ * since we have a guarantee that max_strlen <= -1U / 4.
+ */
- if (outstr_size / 4 != max_strlen)
- die_out_of_memory();
str = xmalloc(max_strlen + 1);
outstr = xmalloc(outstr_size);
}
if (i < len) {
*dst++ = "0123456789abcdef"[*src >> 4];
*dst++ = "0123456789abcdef"[*src & 0xf];
- }
- else {
+ } else {
*dst++ = ' ';
*dst++ = ' ';
}
}
}
-static bool process_vm_readv_not_supported = 0;
+static bool process_vm_readv_not_supported;
+
#ifndef HAVE_PROCESS_VM_READV
/*
* Need to do this since process_vm_readv() is not yet available in libc.
#if ANY_WORDSIZE_LESS_THAN_KERNEL_LONG
if (current_wordsize < sizeof(addr)
- && (addr & (~ (kernel_ulong_t) -1U))) {
+ && (addr & (~(kernel_ulong_t) -1U))) {
return -1;
}
#endif
#if ANY_WORDSIZE_LESS_THAN_KERNEL_LONG
if (current_wordsize < sizeof(addr)
- && (addr & (~ (kernel_ulong_t) -1U))) {
+ && (addr & (~(kernel_ulong_t) -1U))) {
return -1;
}
#endif
projects / strace / blobdiff