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30 commits

Author SHA1 Message Date
Andrew Kelley
e5b46eab3b std: dwarf namespace reorg 
std.debug.Dwarf is the parsing/decoding logic. std.dwarf remains the
unopinionated types and bits alone.

If you look at this diff you can see a lot less redundancy in
namespaces.
 2024-08-01 13:56:12 -07:00
kcbanner
95d9292a7a dwarf: use StackIterator.MemoryAccessor to check memory accesses instead of isValidMemory 2024-07-10 10:46:35 -04:00
Jora Troosh
13070448f5
std: fix typos (#20560) 2024-07-09 14:25:42 -07:00
Michael Bradshaw
642093e04b Rename *[UI]LEB128 functions to *[UI]leb128 2024-06-23 04:30:12 +01:00
Jacob Young
247e4ac3cc dwarf: optimize dwarf parsing for speed 
This code is run when printing a stack trace in a debug executable, so
it has to be fast even without compiler optimizations.

Adding a `@panic` to the top of `main` and running an x86_64 backend
compiled compiler goes from `1m32.773s` to `0m3.232s`.
 2024-02-18 14:11:06 +01:00
mlugg
51595d6b75
lib: correct unnecessary uses of 'var' 2023-11-19 09:55:07 +00:00
Jacob Young
d890e81761 mem: fix ub in writeInt 
Use inline to vastly simplify the exposed API.  This allows a
comptime-known endian parameter to be propogated, making extra functions
for a specific endianness completely unnecessary.
 2023-10-31 21:37:35 -04:00
Jacob Young
f6f2708d82 x86_64: fix compiler rt test failures 2023-10-29 07:20:36 -04:00
Jacob Young
27fe945a00 Revert "Revert "Merge pull request #17637 from jacobly0/x86_64-test-std"" 
This reverts commit 6f0198cadb.
 2023-10-22 15:46:43 -04:00
Andrew Kelley
6f0198cadb Revert "Merge pull request #17637 from jacobly0/x86_64-test-std" 
This reverts commit 0c99ba1eab, reversing
changes made to 5f92b070bf.

This caused a CI failure when it landed in master branch due to a
128-bit `@byteSwap` in std.mem.
 2023-10-22 12:16:35 -07:00
Jacob Young
32e85d44eb x86_64: disable failing tests, enable test-std testing 2023-10-21 10:55:41 -04:00
antlilja
bcf4a13913 Remove @fabs, fabs and absCast/Int from std lib 
Replaces occurences of @fabs absCast and absInt with new @abs builtin.
Also removes the std.math.fabs alias from math.zig.
 2023-09-27 11:24:28 -07:00
kcbanner
8e4cc0ce5a dwarf: small code size reduction in expression runner 2023-07-25 10:28:03 -04:00
kcbanner
e5aa2bb224 debug: fixup last_error being printed too many times 2023-07-20 22:58:15 -04:00
kcbanner
891fa3b8b5 debug: fix initialization of the optional fields on StackIterator 
dwarf: documentation fixups
target: enable unwind tables on macho
 2023-07-20 22:58:15 -04:00
kcbanner
203d96ae97 debug: add relocateContext 
dwarf: fixup tests that used a ThreadContext
 2023-07-20 22:58:15 -04:00
kcbanner
d226b74ae8 dwarf: add ExpressionError to work around the compiler not being able to infer it 
dwarf: implement OP.entry_value, add tests
 2023-07-20 22:58:15 -04:00
kcbanner
21d0154139 dwarf: skip register tests on unimplemented arch / os, add tests for type convesions 
debug: dupeContext -> copyContext
 2023-07-20 22:58:15 -04:00
kcbanner
021f537863 dwarf: fixup default endianness in ExpressionOptions, add control flow tests 2023-07-20 22:58:15 -04:00
kcbanner
54ca62fef4 dwarf: fixup regBytes for the case where there is no context support 
expressions: add more tests, fix tests for mipsel
debug: add lookupModuleName implementation for macos
 2023-07-20 22:58:15 -04:00
kcbanner
5c0d4cef1a debug: add dupeContext, store a pointer to a copy of ThreadContext on UnwindContext 2023-07-20 22:58:15 -04:00
kcbanner
463bbe7807 dwarf: implement constx,addrx, begin adding DWARF expression tests 2023-07-20 22:58:15 -04:00
kcbanner
5f72c6508d debug: rename StackTraceContext to ThreadContext 
dwarf: use ThreadContext instead of os.ucontext_t
dwarf: add regBytes impl for windows
dwarf: fixup expression types for non-native
 2023-07-20 22:58:15 -04:00
kcbanner
8547c42ba5 dwarf: expression fixups for non-64bit arches, check call_frame_context when writing expressions 2023-07-20 22:58:15 -04:00
kcbanner
424b1299a8 dwarf: add expression writer 2023-07-20 22:58:14 -04:00
kcbanner
ad5f74c0b1 dwarf: introduce ExpressionContext, add more expression opcodes 2023-07-20 22:58:14 -04:00
kcbanner
b85f84061a dwarf: don't dupe function names, as they are backed by the memory mapped sections 
dwarf: const-correctness fixups
dwarf: implement the remaining register rules
dwarf: start implmenting the DWARF expression stack machine
 2023-07-20 22:58:14 -04:00
kcbanner
6abf1fbfe6 update to new builtin syntax 2023-07-20 22:58:14 -04:00
kcbanner
a325d7f6d1 fmt and cleanup 2023-07-20 22:58:13 -04:00
kcbanner
f3f3c877e0 - add DWARF expression parser 
- change read apis to use a stream
- add register formatters
 2023-07-20 22:58:13 -04:00