return low;
}
+#ifdef CONFIG_FUNCTION_PADDING_BYTES
+#define PADDING_BYTES CONFIG_FUNCTION_PADDING_BYTES
+#else
+#define PADDING_BYTES 0
+#endif
+
/*
* Lookup an address but don't bother to find any names.
*/
unsigned long *offset)
{
char namebuf[KSYM_NAME_LEN];
+ int ret;
+
+ addr += PADDING_BYTES;
if (is_ksym_addr(addr)) {
get_symbol_pos(addr, symbolsize, offset);
- return 1;
+ ret = 1;
+ goto found;
+ }
+
+ ret = !!module_address_lookup(addr, symbolsize, offset, NULL, NULL, namebuf);
+ if (!ret) {
+ ret = !!__bpf_address_lookup(addr, symbolsize,
+ offset, namebuf);
}
- return !!module_address_lookup(addr, symbolsize, offset, NULL, NULL, namebuf) ||
- !!__bpf_address_lookup(addr, symbolsize, offset, namebuf);
+found:
+ if (ret && offset)
+ *offset -= PADDING_BYTES;
+ return ret;
}
static const char *kallsyms_lookup_buildid(unsigned long addr,
namebuf[KSYM_NAME_LEN - 1] = 0;
namebuf[0] = 0;
+ addr += PADDING_BYTES;
+
if (is_ksym_addr(addr)) {
unsigned long pos;
found:
cleanup_symbol_name(namebuf);
+ if (ret && offset)
+ *offset -= PADDING_BYTES;
return ret;
}
symname[0] = '\0';
symname[KSYM_NAME_LEN - 1] = '\0';
+ addr += PADDING_BYTES;
+
if (is_ksym_addr(addr)) {
unsigned long pos;
name[0] = '\0';
name[KSYM_NAME_LEN - 1] = '\0';
+ addr += PADDING_BYTES;
+
if (is_ksym_addr(addr)) {
unsigned long pos;
return res;
found:
+ if (offset)
+ *offset -= PADDING_BYTES;
cleanup_symbol_name(name);
return 0;
}
len = strlen(buffer);
offset -= symbol_offset;
- if (add_offset)
- len += sprintf(buffer + len, "+%#lx/%#lx", offset, size);
+ if (add_offset) {
+ char s = '+';
+
+ if ((long)offset < 0) {
+ s = '-';
+ offset = 0UL - offset;
+ }
+ len += sprintf(buffer + len, "%c%#lx/%#lx", s, offset, size);
+ }
if (modname) {
len += sprintf(buffer + len, " [%s", modname);