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Summary:
This will allow updating MinidumpYAML and LLDB to use this common
definition.
Reviewers: labath, jhenderson, clayborg
Reviewed By: labath
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D68656
llvm-svn: 375239
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A modules build failed with the following error:
call to function 'operator&' that is neither visible in the template definition nor found by argument-dependent lookup
Fix that by declaring the appropriate operators in the llvm::minidump
namespace.
llvm-svn: 374517
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Summary:
The implementation is fairly straight-forward and uses the same patterns
as the existing streams. The yaml form does not attempt to preserve the
data in the "gaps" that can be created by setting a larger-than-required
header or entry size in the stream header, because the existing consumer
(lldb) does not make use of the information in the gap in any way, and
attempting to preserve that would make the implementation more
complicated.
Reviewers: amccarth, jhenderson, clayborg
Subscribers: llvm-commits, lldb-commits, markmentovai, zturner, JosephTremoulet
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D68645
llvm-svn: 374337
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Summary:
This patch adds the definitions of the constants and structures
necessary to interpret the MemoryInfoList minidump stream, as well as
the object::MinidumpFile interface to access the stream.
While the code is fairly simple, there is one important deviation from
the other minidump streams, which is worth calling out explicitly.
Unlike other "List" streams, the size of the records inside
MemoryInfoList stream is not known statically. Instead it is described
in the stream header. This makes it impossible to return
ArrayRef<MemoryInfo> from the accessor method, as it is done with other
streams. Instead, I create an iterator class, which can be parameterized
by the runtime size of the structure, and return
iterator_range<iterator> instead.
Reviewers: amccarth, jhenderson, clayborg
Subscribers: JosephTremoulet, zturner, markmentovai, lldb-commits, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D68210
llvm-svn: 374051
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Summary:
The stream contains the list of threads belonging to the process
described by the minidump. Its structure is the same as the ModuleList
stream, and in fact, I have generalized the ModuleList reading code to
handle this stream too.
Reviewers: amccarth, jhenderson, clayborg
Subscribers: llvm-commits, lldb-commits, markmentovai, zturner
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D61064
llvm-svn: 359762
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Summary:
This patch adds support for yaml (de)serialization of the minidump
ModuleList stream. It's a fairly straight forward-application of the
existing patterns to the ModuleList structures defined in previous
patches.
One thing, which may be interesting to call out explicitly is the
addition of "new" allocation functions to the helper BlobAllocator
class. The reason for this was, that there was an emerging pattern of a
need to allocate space for entities, which do not have a suitable
lifetime for use with the existing allocation functions. A typical
example of that was the "size" of various lists, which is only available
as a temporary returned by the .size() method of some container. For
these cases, one can use the new set of allocation functions, which
will take a temporary object, and store it in an allocator-managed
buffer until it is written to disk.
Reviewers: amccarth, jhenderson, clayborg, zturner
Subscribers: lldb-commits, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60405
llvm-svn: 358672
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Summary:
The ModuleList stream consists of an integer giving the number of
entries in the list, followed by the list itself. Each entry in the list
describes a module (dynamically loaded objects which were loaded in the
process when it crashed (or when the minidump was generated).
The code for reading the list is relatively straight-forward, with a
single gotcha. Some minidump writers are emitting padding after the
"count" field in order to align the subsequent list on 8 byte boundary
(this depends on how their ModuleList type was defined and the native
alignment of various types on their platform). Fortunately, the minidump
format contains enough redundancy (in the form of the stream length
field in the stream directory), which allows us to detect this situation
and correct it.
This patch just adds the ability to parse the stream. Code for
conversion to/from yaml will come in a follow-up patch.
Reviewers: zturner, amccarth, jhenderson, clayborg
Subscribers: jdoerfert, markmentovai, lldb-commits, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60121
llvm-svn: 357897
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Summary:
This patch adds basic support for reading minidump files. It contains
the definitions of various important minidump data structures (header,
stream directory), and of one minidump stream (SystemInfo). The ability
to read other streams will be added in follow-up patches. However, all
streams can be read even now as raw data, which means lldb's minidump
support (where this code is taken from) can be immediately rebased on
top of this patch as soon as it lands.
As we don't have any support for generating minidump files (yet), this
tests the code via unit tests with some small handcrafted binaries in
the form of c char arrays.
Reviewers: Bigcheese, jhenderson, zturner
Subscribers: srhines, dschuff, mgorny, fedor.sergeev, lemo, clayborg, JDevlieghere, aprantl, lldb-commits, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D59291
llvm-svn: 356652
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