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branch delay slot better support.

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Still reviewing. Need to see if gte is handled properly.
This commit is contained in:
ed
2026-07-23 18:35:02 -04:00
parent 08af73d0d2
commit d56adab38f
5 changed files with 218 additions and 78 deletions
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scripts/elf_dwarf.lua
+3 -6
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@@ -404,10 +404,8 @@ local function read_form_value(buf, str_buf, pos, form)
end
--- Read a `DW_FORM_ref_sig8` value at 0-based offset `pos` from `buf`.
--- Returns the low 4 bytes (LE) as `low`, the high 4 bytes (LE) as `high`, and
--- the cursor position after the 8-byte value as `next_pos`.
--- Callers that need the full type-unit + type-offset pair
--- (e.g. to resolve a type identifier embedded as a signature)
--- Returns the low 4 bytes (LE) as `low`, the high 4 bytes (LE) as `high`, and the cursor position after the 8-byte value as `next_pos`.
--- Callers that need the full type-unit + type-offset pair (e.g. to resolve a type identifier embedded as a signature)
--- should use this directly rather than going through `read_form_value`,
--- which only exposes the low 4 bytes to preserve its existing (value, next_pos) return shape.
--- @param buf string
@@ -427,8 +425,7 @@ end
--
-- Unit header layout (from pos 0):
-- unit_length(4) + version(2) + unit_type(1) + address_size(1) + debug_abbrev_offset(4)
-- -- followed by type_unit_specific fields:
-- type_signature(8) + type_offset(4)
-- followed by type_unit_specific fields: type_signature(8) + type_offset(4)
-- The type_signature is at byte offset 8 of the body (right after debug_abbrev_offset).
-- @param info string -- the .debug_info section bytes
-- @param target_sig_lo integer -- low 4 bytes (LE) of the desired signature