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If 'path' is omitted, we create a link with the basename of whatever
the target is. This matches what other systems do.
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When loading dynamic objects, the emulator loads the interpreter,
generates an auxiliary vector and starts executing the loader.
Additionally, this commits also makes the MallocTracer and backtrace
symbolication work for dynamically loaded programs.
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The dynamic loader is now stable enough to be used everywhere in the
system - so this commit does just that.
No More .a Files, Long Live .so's!
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The dynamic loader exists as /usr/lib/Loader.so and is loaded by the
kernel when ET_DYN programs are executed.
The dynamic loader is responsible for loading the dependencies of the
main program, allocating TLS storage, preparing all loaded objects for
execution and finally jumping to the entry of the main program.
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It's ironic that `jp` currently refuses to parse its own output :^)
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We shouldn't really be creating the document objects inside the parser,
since that makes it hard to hook up e.g JavaScript bindings early on.
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Almost everyone using this API actually wanted String instead of a
ByteBuffer anyway, and there were a bunch of slightly different ways
clients would convert to String.
Let's just cut out all the confusion and make it return String. :^)
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pthread implementations generally return errors as a positive non-zero
value. Our kernel generally returns errors as negative values. If we
receive a negative value from a system call, turn it into a positive
return value to relay the error appropriately.
Also, fix the tt test utility to not rely on errno, as the pthread
library does not use errno.
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The bug is that if you try to cp DIR_A to DIR_B where DIR_A and DIR_B
have the same parent directory and DIR_A's name is a prefix of DIR_B
(e.g. foo -> foo2, bar -> barbar), it thinks that it's a subdirectory
(since it checks if DIR_A's realpath is a prefix of DIR_B's realpath).
The easiest solution is to put a path delimiter at the end before the
comparison, since you can't have a / in the middle of a directory name.
For example if DIR_A is /home/anon/foo and DIR_B is /home/anon/foo2,
then DIR_A's realpath is a prefix of DIR_B's realpath even though DIR_B
is not inside DIR_A.
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For many object types we only ever used the regular print_object() in
the js REPL - resulting in a useless "{ }".
This patch adds more individual representations for the following types:
- Boolean/Number/String object: print wrapped value
- ArrayBuffer: print byteLength and hex-formatted bytes in chunks of 16
- TypedArray: print length, byteLength, buffer pointer and values
- Proxy: print target and handler
Also improve the existing pretty-printing output:
- More consistency, most objects now follow the format "[Type] ..."
- Some coloring tweaks
- No two spaces in empty arrays & objects
Possible future improvements:
- Add line breaks between elements of long arrays & objects
Closes #4310.
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When a test root path was given to test-js it was never used, causing
test-js to always fail.
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This makes the Scheduler a lot leaner by not having to evaluate
block conditions every time it is invoked. Instead evaluate them as
the states change, and unblock threads at that point.
This also implements some more waitid/waitpid/wait features and
behavior. For example, WUNTRACED and WNOWAIT are now supported. And
wait will now not return EINTR when SIGCHLD is delivered at the
same time.
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This fixes #4195 and closes #4196.
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That's just silly :)
Also fix that one use of read_line() which assumes it will
null-terminated in mount.cpp (this would've blown up if the IODevice was
at EOF and had a line with the same size as max_size).
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Problem:
- If `fork()` fails the system tries to call `execl()`. That will
either succeed and replace the running process image or it will fail
and it needs to try again. The `if` is redundant because it will
only be evaluated if `execl()` fails.
Solution:
- Remove the `if`.
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Closes #4188.
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Closes https://github.com/SerenityOS/serenity/issues/4191
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The spec talks about it as 'pattern', so let's use that instead.
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Grep supports only extended regular expressions, and is able to handle one pattern
handed over via -e or directly after the options. Also, multiple files can be
handed over. Recursive mode is outstanding, but no real magic :^)
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Also fix up some misleading error messages in the 'tt' test program.
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This was only an issue in the Lagom build.
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It would use printf to output the data, so if it contains a null
terminator it'll stop.
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Problem:
- Test creates a file and leaves it in the source tree.
Solution:
- Remove the creation of the file since it is never checked.
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All of these files were getting ByteBuffer.h from someone else and then
using it. Let's include it explicitly.
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This allows us to check code for syntax errors without relying on
Function(), which can lead to false negatives as certain things are
valid in a function context, but not outside one.
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