1 Star 0 Fork 67

叶青龙/binutils

forked from src-openEuler/binutils 
加入 Gitee
与超过 1200万 开发者一起发现、参与优秀开源项目,私有仓库也完全免费 :)
免费加入
文件
该仓库未声明开源许可证文件(LICENSE),使用请关注具体项目描述及其代码上游依赖。
克隆/下载
binutils-objcopy-note-merge-speedup.patch 1.50 KB
一键复制 编辑 原始数据 按行查看 历史
eastb233 提交于 2023-08-02 14:39 +08:00 . [Update] Init Binutils 2.40 repo
--- binutils.orig/binutils/objcopy.c 2023-01-16 12:15:46.405649346 +0000
+++ binutils-2.39/binutils/objcopy.c 2023-01-16 12:16:48.892667868 +0000
@@ -2383,6 +2383,8 @@ merge_gnu_build_notes (bfd * ab
other note then if they are both of the same type (open
or func) then they can be merged and one deleted. If
they are of different types then they cannot be merged. */
+ objcopy_internal_note * prev_note = NULL;
+
for (pnote = pnotes; pnote < pnotes_end; pnote ++)
{
/* Skip already deleted notes.
@@ -2404,7 +2406,9 @@ merge_gnu_build_notes (bfd * ab
objcopy_internal_note * back;
/* Rule 2: Check to see if there is an identical previous note. */
- for (iter = 0, back = pnote - 1; back >= pnotes; back --)
+ for (iter = 0, back = prev_note ? prev_note : pnote - 1;
+ back >= pnotes;
+ back --)
{
if (is_deleted_note (back))
continue;
@@ -2466,11 +2470,18 @@ merge_gnu_build_notes (bfd * ab
break;
}
}
-#if DEBUG_MERGE
+
+
if (! is_deleted_note (pnote))
- merge_debug ("Unable to do anything with note at %#08lx\n",
- (pnote->note.namedata - (char *) contents) - 12);
+ {
+ /* Keep a pointer to this note, so that we can
+ start the next search for rule 2 matches here. */
+ prev_note = pnote;
+#if DEBUG_MERGE
+ merge_debug ("Unable to do anything with note at %#08lx\n",
+ (pnote->note.namedata - (char *) contents) - 12);
#endif
+ }
}
/* Resort the notes. */
Loading...
马建仓 AI 助手
尝试更多
代码解读
代码找茬
代码优化
1
https://gitee.com/yeqinglong01/binutils.git
git@gitee.com:yeqinglong01/binutils.git
yeqinglong01
binutils
binutils
master

搜索帮助