https://github.com/Jlalond created
https://github.com/llvm/llvm-project/pull/110579
In my prior two save core API's, I experimented on how to save stacks with the
new API. I incorrectly left these in, as the existing `m_thread_by_range_end`
was the correct choice.
I have removed the no-op collection, and moved to use the proper one. It's
worth noting this was not caught by testing because we do not verify where the
items are contained in the minidump. This would require a test being aware of
how minidumps are structured, or adding a textual tool that we can then scan
the output of.
>From eb75f72abac9c8f2bb5c7614a36cdea23da9066d Mon Sep 17 00:00:00 2001
From: Jacob Lalonde <jalalo...@fb.com>
Date: Mon, 30 Sep 2024 14:38:14 -0700
Subject: [PATCH] Fix bug where we were using the wrong collection for stacks
in mmeory 32
---
lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp | 2 +-
lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h | 1 -
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
index 3f1e25f730a184..f6c16b6e3d96ae 100644
--- a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
+++ b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
@@ -853,7 +853,7 @@ Status MinidumpFileBuilder::AddMemoryList() {
uint64_t total_size = GetCurrentDataEndOffset();
auto iterator = all_core_memory_vec.begin();
while (iterator != all_core_memory_vec.end()) {
- if (m_saved_stack_ranges.count(iterator->range.start()) > 0) {
+ if (m_thread_by_range_end.count(iterator->range.end()) > 0) {
// We don't save stacks twice.
ranges_32.push_back(*iterator);
total_size +=
diff --git a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h
b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h
index d5eac9015ac422..a4240f871c8a2f 100644
--- a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h
+++ b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h
@@ -172,7 +172,6 @@ class MinidumpFileBuilder {
// to duplicate it in the exception data.
std::unordered_map<lldb::tid_t, llvm::minidump::LocationDescriptor>
m_tid_to_reg_ctx;
- std::unordered_set<lldb::addr_t> m_saved_stack_ranges;
lldb::FileUP m_core_file;
lldb_private::SaveCoreOptions m_save_core_options;
};
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