diff options
Diffstat (limited to 'binutils/dwarf.h')
| -rw-r--r-- | binutils/dwarf.h | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/binutils/dwarf.h b/binutils/dwarf.h index 5ea85d9..cfb3abe 100644 --- a/binutils/dwarf.h +++ b/binutils/dwarf.h @@ -248,9 +248,65 @@ extern void * xcalloc2 (size_t, size_t); extern void * xcmalloc (size_t, size_t); extern void * xcrealloc (void *, size_t, size_t); -extern dwarf_vma read_leb128 (unsigned char *, unsigned int *, bfd_boolean, const unsigned char * const); - /* A callback into the client. Returns TRUE if there is a relocation against the given debug section at the given offset. */ extern bfd_boolean reloc_at (struct dwarf_section *, dwarf_vma); + +extern dwarf_vma read_leb128 (unsigned char *, const unsigned char *const, + bfd_boolean, unsigned int *, int *); + +static inline void +report_leb_status (int status) +{ + if ((status & 1) != 0) + error (_("LEB end of data\n")); + else if ((status & 2) != 0) + error (_("LEB value too large\n")); +} + +#define SKIP_ULEB(start, end) \ + do \ + { \ + unsigned int _len; \ + read_leb128 (start, end, FALSE, &_len, NULL); \ + start += _len; \ + } while (0) + +#define SKIP_SLEB(start, end) \ + do \ + { \ + unsigned int _len; \ + read_leb128 (start, end, TRUE, &_len, NULL); \ + start += _len; \ + } while (0) + +#define READ_ULEB(var, start, end) \ + do \ + { \ + dwarf_vma _val; \ + unsigned int _len; \ + int _status; \ + \ + _val = read_leb128 (start, end, FALSE, &_len, &_status); \ + start += _len; \ + (var) = _val; \ + if ((var) != _val) \ + _status |= 2; \ + report_leb_status (_status); \ + } while (0) + +#define READ_SLEB(var, start, end) \ + do \ + { \ + dwarf_signed_vma _val; \ + unsigned int _len; \ + int _status; \ + \ + _val = read_leb128 (start, end, TRUE, &_len, &_status); \ + start += _len; \ + (var) = _val; \ + if ((var) != _val) \ + _status |= 2; \ + report_leb_status (_status); \ + } while (0) |