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This allows resued for other parts of the system not dependent on
objcet files or archives.
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Remove some warnings.
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std::list should be sorted first, then unique can remove duplicated
objects. Otherwise there will be many duplicated objects.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
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rtems-ra supports converting an elf archive file into a rap archive file.
It also support add, replace and delete rap files from the rap archive
file.
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1. Automatically place object files in archive files into a ra file,
using new option --runtime-lib
2. Add a new option --one-file to decide whether the collected
object files should be merged into the rap file or not.
Signed-off-by: Peng Fan <van.freenix@gmail.com>
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Weak symbols where not being managed correctly. The symbols table
is now a class with externals and weaks as separate symtabs so
the externals can be searched first then the weaks and if not
found an unresolved error is raised. This was found creating
a libbsdport RAP file where the drivers in the all driver table
resolved to the weak symbols and so linking in nothing.
Fixing the weak symbols as found in the libbsdport library
triggered a new resolver bug. The object files now contain the
resolver state and this is used to determine if an object file
has been resolved or is currently being resolved avoiding
rescursive loops with dependent object files.
The resolver trace output is a little easier to read.
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Set the compressed file length in the RAP header. Move
the string from the outputter to the RAP file.
Make the sections public by moving to the RAP header.
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Do not write the script into the RAP file rather just write the
init and fini labels. These are appended to the string table and
offsets in the string table added to the image.
Fi the sizes so the sections can be correctly loaded on the target.
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Add an exit label that is called when removing an application.
Change the "applicatiion" to "elf_application" and add a custom
format called the RAP format for applications.
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This also adds support to the ELF classes that wrap libelf. While
this is now done and seems to work I will not be using an ELF
file to hold the metadata after all.
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The refactoring allows better reuse of the ELF support and cleans up
some hacks from the generic file and archive handling improving the
separation of the file handling from the file format, ie ELF. The
handling of ELF object files and ELF object files inside archives
is cleaner.
The refactor cleaned up the symbol handling where the symbols now
reside in the ELF file object and references are take in symbol
pointer containers and symbol table containers.
The main purpose of the refactor is to allow support for creating
and writing ELF files.
Also added an rtems-syms command where special symbol support
can be added.
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If an object on the command line depends on another object the output
code wrote the object files and then the dependent files and a
command line object file that is dependent ended up in the object
and dependent lists. A simple merge and unique fixed it.
Also moved the script generation code into a separate function
that can be used in a application container.
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