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Dwarf: implement variables without runtime bits

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This commit is contained in:
Jacob Young 2024-09-09 10:25:59 -04:00
parent e048e78886
commit cdaf3154ee
1 changed files with 19 additions and 2 deletions
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21
src/link/Dwarf.zig
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@ -2576,7 +2576,7 @@ pub fn updateComptimeNav(dwarf: *Dwarf, pt: Zcu.PerThread, nav_index: InternPool
const nav_gop = try dwarf.navs.getOrPut(dwarf.gpa, nav_index);
errdefer _ = dwarf.navs.pop();
const tag: enum { done, decl_alias, decl_const } = switch (ip.indexToKey(nav_val.toIntern())) {
const tag: enum { done, decl_alias, decl_var, decl_const } = switch (ip.indexToKey(nav_val.toIntern())) {
.int_type,
.ptr_type,
.array_type,
@ -2895,7 +2895,7 @@ pub fn updateComptimeNav(dwarf: *Dwarf, pt: Zcu.PerThread, nav_index: InternPool
.aggregate,
.un,
=> .decl_const,
.variable => unreachable,
.variable => .decl_var,
.func => |func| tag: {
if (nav_gop.found_existing) {
const unit_ptr = dwarf.debug_info.section.getUnit(wip_nav.unit);
@ -2966,6 +2966,23 @@ pub fn updateComptimeNav(dwarf: *Dwarf, pt: Zcu.PerThread, nav_index: InternPool
try wip_nav.strp(nav.name.toSlice(ip));
try wip_nav.refType(nav_val.toType());
},
.decl_var => {
const diw = wip_nav.debug_info.writer(dwarf.gpa);
try wip_nav.abbrevCode(.decl_var);
try wip_nav.refType(Type.fromInterned(parent_type));
assert(wip_nav.debug_info.items.len == DebugInfo.declEntryLineOff(dwarf));
try diw.writeInt(u32, @intCast(loc.line + 1), dwarf.endian);
try uleb128(diw, loc.column + 1);
try diw.writeByte(accessibility);
try wip_nav.strp(nav.name.toSlice(ip));
try wip_nav.strp(nav.fqn.toSlice(ip));
const nav_ty = nav_val.typeOf(zcu);
try wip_nav.refType(nav_ty);
try wip_nav.blockValue(nav_src_loc, nav_val);
try uleb128(diw, nav.status.resolved.alignment.toByteUnits() orelse
nav_ty.abiAlignment(zcu).toByteUnits().?);
try diw.writeByte(@intFromBool(false));
},
.decl_const => {
const diw = wip_nav.debug_info.writer(dwarf.gpa);
try wip_nav.abbrevCode(.decl_const);