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mlugg 2025-09-02 13:13:16 +01:00
parent 3f6a90766c
commit 55ae6747e2
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1 changed files with 11 additions and 12 deletions
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23
lib/std/debug/SelfInfo.zig
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@ -28,9 +28,10 @@ const SelfInfo = @This();
modules: std.AutoHashMapUnmanaged(usize, struct {
di: Module.DebugInfo,
loaded_debug: bool,
// MLUGG TODO: okay actually these should definitely go on the impl so it can share state. e.g. loading unwind info might require lodaing debug info in some cases
loaded_locations: bool,
loaded_unwind: bool,
const init: @This() = .{ .di = .init, .loaded_debug = false, .loaded_unwind = false };
const init: @This() = .{ .di = .init, .loaded_locations = false, .loaded_unwind = false };
}),
lookup_cache: Module.LookupCache,
@ -88,11 +89,9 @@ pub fn getSymbolAtAddress(self: *SelfInfo, gpa: Allocator, address: usize) !std.
const module: Module = try .lookup(&self.lookup_cache, gpa, address);
const gop = try self.modules.getOrPut(gpa, module.key());
if (!gop.found_existing) gop.value_ptr.* = .init;
if (!gop.value_ptr.loaded_debug) {
// MLUGG TODO: this overloads the name 'debug info' with including vs excluding unwind info
// figure out a better name for one or the other (i think the inner one is maybe 'symbol info' or something idk)
try module.loadDebugInfo(gpa, &gop.value_ptr.di);
gop.value_ptr.loaded_debug = true;
if (!gop.value_ptr.loaded_locations) {
try module.loadLocationInfo(gpa, &gop.value_ptr.di);
gop.value_ptr.loaded_locations = true;
}
return module.getSymbolAtAddress(gpa, &gop.value_ptr.di, address);
}
@ -168,8 +167,8 @@ const Module = switch (native_os) {
}
return error.MissingDebugInfo;
}
fn loadDebugInfo(module: *const Module, gpa: Allocator, di: *Module.DebugInfo) !void {
return loadMachODebugInfo(gpa, module, di);
fn loadLocationInfo(module: *const Module, gpa: Allocator, di: *Module.DebugInfo) !void {
try loadMachODebugInfo(gpa, module, di); // MLUGG TODO inline
}
fn loadUnwindInfo(module: *const Module, gpa: Allocator, di: *Module.DebugInfo) !void {
// MLUGG TODO HACKHACK
@ -381,7 +380,7 @@ const Module = switch (native_os) {
_ = address;
unreachable;
}
fn loadDebugInfo(module: *const Module, gpa: Allocator, di: *DebugInfo) !void {
fn loadLocationInfo(module: *const Module, gpa: Allocator, di: *DebugInfo) !void {
_ = module;
_ = gpa;
_ = di;
@ -479,7 +478,7 @@ const Module = switch (native_os) {
};
return error.MissingDebugInfo;
}
fn loadDebugInfo(module: *const Module, gpa: Allocator, di: *Module.DebugInfo) !void {
fn loadLocationInfo(module: *const Module, gpa: Allocator, di: *Module.DebugInfo) !void {
const filename: ?[]const u8 = if (module.name.len > 0) module.name else null;
const mapped_mem = mapFileOrSelfExe(filename) catch |err| switch (err) {
error.FileNotFound => return error.MissingDebugInfo,
@ -550,7 +549,7 @@ const Module = switch (native_os) {
}
return null;
}
fn loadDebugInfo(module: *const Module, gpa: Allocator, di: *DebugInfo) !void {
fn loadLocationInfo(module: *const Module, gpa: Allocator, di: *DebugInfo) !void {
const mapped_ptr: [*]const u8 = @ptrFromInt(module.base_address);
const mapped = mapped_ptr[0..module.size];
var coff_obj = coff.Coff.init(mapped, true) catch return error.InvalidDebugInfo;