Commit Graph

267 Commits

Author SHA1 Message Date
Eric Pouech 2da1698312 dbghelp/dwarf: Correctly compute address of label.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-10-06 20:29:34 +02:00
Eric Pouech 9768ea5637 dbghelp/dwarf: Bump max supported version (by default) up to 4.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-28 21:48:59 +02:00
Eric Pouech 56969bc80e dbghelp/dwarf: Fix incorrect WARN.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-28 21:48:59 +02:00
Eric Pouech dd67b78ed3 dbghelp/dwarf: Add support for local variables with constant values.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-28 21:48:59 +02:00
Eric Pouech 0de0a80940 dbghelp/dwarf: Downgrade FIXME into WARN for empty range.
It happens to be generated for some inline functions, that we badly
support yet.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-28 21:48:59 +02:00
Eric Pouech e039a28e3b dbghelp/dwarf: Silence a couple of dwarf DIE's tag in load_one_debug_entry.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-27 17:40:14 +02:00
Eric Pouech d8c9171c78 dbghelp/dwarf: Added support for OP_call_frame_cfa.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-27 17:40:14 +02:00
Eric Pouech 1ecd66200d dbghelp/dwarf: Split dwarf2_virtual_unwind into two functions.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-27 17:40:14 +02:00
Eric Pouech eabeb1da5c dbghelp/dwarf: Pass cuhead to loc_compute_frame.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-27 17:40:14 +02:00
Eric Pouech c2d1d76531 dbghelp/dwarf: Add support for DW_TAG_imported_unit.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-27 17:40:14 +02:00
Eric Pouech e5a1b8b334 dbghelp/dwarf: Add support for partial compilation units.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-27 17:40:14 +02:00
Eric Pouech e362ed8c28 dbghelp/dwarf: Fix a couple of parent/child mismatch.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-27 17:40:14 +02:00
Eric Pouech 15eb6a2560 dbghelp/dwarf: Handle C++ rvalue reference type as a reference.
As we don't handle C++ references yet, it'll be a pointer in the end.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:02:21 +02:00
Eric Pouech 79cd318b77 dbghelp/dwarf: Support more dwarf's TAG related to types in udt parsing.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:02:09 +02:00
Eric Pouech 88840187f5 dbghelp/dwarf: Added support for DW_TAG_subrange_type in various places.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:02:05 +02:00
Eric Pouech 44bcae3f8d dbghelp/dwarf: Support enumeration as index type for arrays.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:02:00 +02:00
Eric Pouech 09d2a6cffb dbghelp/dwarf: Added support for parsing dwarf's 3 restrict type TAG.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:01:52 +02:00
Eric Pouech 87485ea107 dbghelp/dwarf: Handle some Dwarf4 tweaks in high / low pc attributes.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:01:46 +02:00
Eric Pouech 23c325276b dbghelp: Remove unneeded #include <limits.h>.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:01:03 +02:00
Eric Pouech 69d07126fe dbghelp/dwarf: Properly detect base address selection in AT_ranges.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:00:59 +02:00
Eric Pouech ab8fdb191c dbghelp/dwarf: In DW_AT_ranges, the values are relative to the start of the CU.
And not the module, as most of the other addresses.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-21 19:00:34 +02:00
Eric Pouech 8547aac2dc dbghelp/dwarf: When loading a DWZ alternate file, don't force loading of all debug_infos.
Can have huge performance impact: libgcc_s.so.8 load time decreased
from 40 seconds down to less than 1 second.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech dc0ac71f5a dbghelp/dwarf: Add proper support for DW_FORM_GNU_ref_alt.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech d832d51c2c dbghelp/dwarf: Add a helper to jump into another debug_info.
This helper takes into account that source and destination debug_info
can be in different dwarf units, and even different debug files (DWZ).

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech def87b2aef dbghelp/dwarf: No longer pas a unit context when parsing debug_info content.
Use debug_info's unit_context instead.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech 87b70fb272 dbghelp/dwarf: Fold printing info about unit context when printing debug_info's.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech e804b0754f dbghelp/dwarf: No longer pass a unit context to dwarf2_get_cpp_name.
Use debug_info's unit context instead.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech 61af17e6cf dbghelp/dwarf: No longer pass a parse context to dwarf2_find_attribute.
Use debug_info's unit context instead.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech 517f614bc8 dbghelp/dwarf: Load the alternate dwarf file content as we do for a regular dwarf module.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech 9f74ac4b3b dbghelp/dwarf: Handle DW_FORM_GNU_strp_alt (string located in an alternate DWZ file).
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech 16d6656163 dbghelp/dwarf: Store a potential link to an external DWZ file in the dwarf2 module's information.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-16 22:22:44 +02:00
Eric Pouech 0646e15665 winedbg: Show dwarf version(s) used for a module.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:06:55 +02:00
Eric Pouech f7377e5e65 dbghelp/dwarf: Add reference for a DIE to its CU.
Dwarf4 (and GNU extensions) support following debug info in
a) different CU
b) different ELF/PE files
So add a field from debug_info into the parent context unit

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:06:47 +02:00
Eric Pouech f0c9397459 dbghelp/dwarf: Detect out of section sibling DIE information.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:06:42 +02:00
Eric Pouech 34b06f873a dbghelp/dwarf: Support DW_FORM_ref_addr in type DIE lookup using the new cross-CU DIE mechanisms.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:06:30 +02:00
Eric Pouech 8c22d665a8 dbghelp/dwarf: Add ability to get to a DIE in a different CU.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:06:25 +02:00
Eric Pouech 5e74e2b919 dbghelp: Split the parsing of a dwarf compilation unit in two phases.
- first phase just parse the header and do elementary checks
- second phase, actually load all DIEs in CU

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:06:10 +02:00
Eric Pouech f7244dc1a8 dbghelp/dwarf: Keep open and keep track of parse_context_t inside a module_context_t.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:06:07 +02:00
Eric Pouech b4d0dbd70b dbghelp/dwarf: Move the symt_cache from the unit context into the module context.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:06:01 +02:00
Eric Pouech a345a1cf84 dbghelp/dwarf: Separate CU handling from module handling.
Move out of dwarf2_parse_context_s structure information related to the
module and put them into the dwarf2_parse_module_context_s structure
(actually the dwarf2_parse_context should be named dwarf2_parse_cu_context
as it only related to a compilation unit).

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-15 22:05:52 +02:00
Eric Pouech e87f3dd5b8 dbghelp/dwarf: Properly parse line number header for DWARF4 debug info.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech e28ec5a0fb dbghelp/dwarf: Detect auto reference between a dwarf's DIE and its type.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech 3111daa222 dbghelp/dwarf: Validate that a string is in the section boundary before using it.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech 23f0ebbca6 dbghelp/dwarf: Add definitions of some GNU extensions for FORMs.
And return failure when encoutering them, as they are not supported yet.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech 12a778426d dbghelp/dwarf: Handle errors in dwarf2_fill_attr by returning a boolean.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech 40877456ea dbghelp/dwarf: Add support for FORM_exprloc.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech 6bd22a2f50 dbghelp/dwarf: Add support for FORM_loc_offset and FORM_sec_offset.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech 8241fe3877 dbghelp/dwarf: Correctly handle attributes according to 32bit or 64bit format.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech d78c09aa37 dbghelp/dwarf: Properly parse 32 vs bit 64bit entities.
Store the offset_size in dwarf2_cuhead_t.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:35:52 +02:00
Eric Pouech 92b3f1bf2a dbghelp/dwarf: Don't recompute location when said location is complex.
This was generating a global symbol instead of a local symbol.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-09-14 21:24:47 +02:00