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Fix off by one ahead issue with stepping into atoms. Support for local register symbols used in atoms + atom bindings locals in gdb.

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This commit is contained in:
Edward R. Gonzalez
2026-07-13 12:41:48 -04:00
parent b43d22008e
commit 2d901003f9
6 changed files with 1217 additions and 129 deletions
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scripts/ps1_meta.lua
+15 -10
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@@ -158,12 +158,16 @@ local PASSES = {
["dwarf-injection"] = {
module = "passes.dwarf_injection",
kind = "shared",
deps = {"atoms-source-map"},
desc = "Inject per-atom .debug_line + .debug_aranges into the ELF (post-link; writes section .bin blobs for objcopy splice)",
deps = {"scan-source", "atoms-source-map"},
desc = "Inject per-atom .debug_line + .debug_aranges (F') + per-atom .debug_info subprogram + per-wave-context-reg .debug_info variables (G') into the ELF (post-link; writes 7 section .bin blobs for objcopy splice). (rbind composite) reads ctx.sources[i].scan to find atom_bind(Binds_X) atoms + their Binds_X struct fields; emits per-Binds_X DW_TAG_structure_type DIEs + per-rbind-atom DW_TAG_variable 'bind_args' DIEs with piece-chain DW_OP_bregN/DW_OP_piece location expressions.",
out = {
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_line.bin" },
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_aranges.bin" },
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_line.bin" },
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_aranges.bin" },
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_rnglists.bin" },
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_abbrev.bin" },
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_info.bin" },
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_str.bin" },
{ kind = "report", path_template = "<out_root>/<basename>.dwarf_loc.bin" },
},
},
report = {
@@ -290,6 +294,8 @@ FLAG_HANDLERS["--dwarf-injection"] = function(args)
args.requested_set[#args.requested_set + 1] = "dwarf-injection"
end
-- G' (atom locals) is now consolidated into --dwarf-injection; no separate flag.
-- Pass-flag handler. Reads the closed-set table, expands --all, appends to requested_set. Single-statement, no nesting.
FLAG_HANDLERS[PASS_FLAG_DISPATCH_KEY] = function(args, a)
local name = PASS_FLAG_TO_NAME[a]
@@ -381,9 +387,8 @@ local function build_ctx(args)
dir = dir:sub(1, -2)
end
-- src.scan is populated by the "scan-source" pass (the first pass in the
-- dep graph). build_ctx just opens + reads the files; the scan itself
-- happens in the pass module, not inline in the orchestrator.
-- src.scan is populated by the "scan-source" pass (the first pass in the dep graph).
-- build_ctx just opens + reads the files; the scan itself happens in the pass module, not inline in the orchestrator.
sources[#sources + 1] = {
path = path,
text = text,
@@ -523,9 +528,9 @@ local function topo_sort(passes, requested_set)
process_next_ready(passes, needed, in_degree, ready, order)
end
-- Cycle detection: if order doesn't include all needed passes, some are stuck with in_degree > 0 (the cycle closed on itself
-- before Kahn could process them). Without this check, a fully-closed cycle (e.g. A -> B -> A) would silently return an emspty order list,
-- leaving the orchestrator to dispatch nothing.
-- Cycle detection: if order doesn't include all needed passes, some are stuck with in_degree > 0
-- (the cycle closed on itself before Kahn could process them).
-- Without this check, a fully-closed cycle (e.g. A -> B -> A) would silently return an emspty order list, leaving the orchestrator to dispatch nothing.
if #order ~= count_entries(needed) then
for name, deg in pairs(in_degree) do
if deg > 0 then