diff options
Diffstat (limited to 'libdw/libdwP.h')
| -rw-r--r-- | libdw/libdwP.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/libdw/libdwP.h b/libdw/libdwP.h index 78fd5ce7..2277f39c 100644 --- a/libdw/libdwP.h +++ b/libdw/libdwP.h @@ -62,7 +62,7 @@ /* Version of the DWARF specification we support. */ -#define DWARF_VERSION 2 +#define DWARF_VERSION 3 /* Version of the CIE format. */ #define CIE_VERSION 1 @@ -286,6 +286,19 @@ struct Dwarf_CU void *locs; }; +/* Compute the offset of a CU's first DIE from its offset. This + is either: + LEN VER OFFSET ADDR + 4-bytes + 2-bytes + 4-bytes + 1-byte for 32-bit dwarf + 12-bytes + 2-bytes + 8-bytes + 1-byte for 64-bit dwarf + + Note the trick in the computation. If the offset_size is 4 + the '- 4' term changes the '3 *' into a '2 *'. If the + offset_size is 8 it accounts for the 4-byte escape value + used at the start of the length. */ +#define DIE_OFFSET_FROM_CU_OFFSET(cu_offset, offset_size) \ + ((cu_offset) + 3 * (offset_size) - 4 + 3) + #define CUDIE(fromcu) \ ((Dwarf_Die) \ { \ |