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COFF: Update README. 

Avoid saying this is based on sections because it's not very accurate.
That we don't split section into smaller chunks of data does not mean
that the linker is built on top of that.
In reality, most part of the code do not care about underlying data,
so they are neither based on "atoms" nor sections.
The symbol table only cares about symbol names and their types.
The writer handles list of chunks, which look like just blobs,
and the writer doesn't care what those chunks are backed by.
The only thing that interact with sections is SectionChunk, which is
abstracted away as one type of Chunk.

llvm-svn: 238902
This commit is contained in:
Rui Ueyama 2015-06-03 05:39:13 +00:00
parent 07e661f8cd
commit 652052b82c
1 changed files with 5 additions and 5 deletions
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lld/COFF/README.md
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@ -6,11 +6,11 @@ format. Because the fundamental design of this port is different from
the other ports of LLD, this port is separated to this directory.
The other ports are based on the Atom model, in which symbols and
references are represented as vertices and edges of graphs. The port
in this directory is based on sections instead. The aim is
simplicity and better performance. Our plan is to implement a linker
for the PE/COFF format based on a different idea, and then apply the
same idea to the ELF if proved to be effective.
references are represented as vertices and edges of graphs.
We don't use that model to aim for performance and simplicity.
Our plan is to implement a linker for the PE/COFF format based on a
different idea, and then apply the same idea to the ELF if proved to
be effective.
Overall Design
--------------