From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- .../rust-helper/src/compact_symbol_table.rs | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 tools/profiler/rust-helper/src/compact_symbol_table.rs (limited to 'tools/profiler/rust-helper/src/compact_symbol_table.rs') diff --git a/tools/profiler/rust-helper/src/compact_symbol_table.rs b/tools/profiler/rust-helper/src/compact_symbol_table.rs new file mode 100644 index 0000000000..12c4ca081b --- /dev/null +++ b/tools/profiler/rust-helper/src/compact_symbol_table.rs @@ -0,0 +1,40 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +use std::collections::HashMap; +use thin_vec::ThinVec; + +#[repr(C)] +pub struct CompactSymbolTable { + pub addr: ThinVec, + pub index: ThinVec, + pub buffer: ThinVec, +} + +impl CompactSymbolTable { + pub fn new() -> Self { + Self { + addr: ThinVec::new(), + index: ThinVec::new(), + buffer: ThinVec::new(), + } + } + + pub fn from_map(map: HashMap) -> Self { + let mut table = Self::new(); + let mut entries: Vec<_> = map.into_iter().collect(); + entries.sort_by_key(|&(addr, _)| addr); + for (addr, name) in entries { + table.addr.push(addr); + table.index.push(table.buffer.len() as u32); + table.add_name(name); + } + table.index.push(table.buffer.len() as u32); + table + } + + fn add_name(&mut self, name: &str) { + self.buffer.extend_from_slice(name.as_bytes()); + } +} -- cgit v1.2.3