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  1. 30 Jun, 2022 13 commits
  3. 29 Jun, 2022 24 commits
  5. 28 Jun, 2022 3 commits
    • Eric Pouech's avatar
      dbghelp: Use remap table from PDB hash stream. · 29dd8444
      Eric Pouech authored 
      The PDB hash stream from TPI header contains information to force a remap
to a given type record (whatever the order in the bucket hash list).
This is generated by the incremental linker in some occasions.

Use that information to remap the corresponding types.
Signed-off-by: 's avatarEric Pouech <eric.pouech@gmail.com>
      29dd8444
    • Eric Pouech's avatar
      dbghelp: Preserve PDB's partial order for types of same name. · d12d5c72
      Eric Pouech authored 
      The PDB types can contain several times a type definition with an identical
name. It seems to appear when modifying a type in source (like adding new
fields to a struct):
- as the PDB file (generated from first compilation) is updated (and not
  fully rewritten), the debug information for the old type is not flushed;
  a new record (for the same struct name) is emitted, and inserted
  before the old one in the hash table (bucket list).

Even if dbghelp's hash table is different from PDB's internal one (ie
number of buckets & bucket lists are different), we must maintain the order
of records of identical names (they end up in the same bucket) as a lookup
by name *must* return the first record in PDB's order.
Lookup by name is used:
- when resolving a forward definition (to get the full UDT definition
  including for example a struct/class fields's list)
- when searching by type name from dbghelp APIs, like SymGetTypeFromName()

This patch implements the preservation of that order.
Signed-off-by: 's avatarEric Pouech <eric.pouech@gmail.com>
      d12d5c72
    • Eric Pouech's avatar
      dbghelp: Clearly separate the type loading into two passes. · ddbd341b
      Eric Pouech authored 
      - create (contentless) UDT & enum in first pass
- fill UDT&enum content and load the rest of types in second pass.
Signed-off-by: 's avatarEric Pouech <eric.pouech@gmail.com>
      ddbd341b