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llvm-svn: 283385
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llvm-svn: 283384
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llvm-svn: 283370
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to 'po' without an argument after the StringRef refactoring
Fixes rdar://28480275
llvm-svn: 282445
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CommandData breakpoint commands didn't know whether they were
Python or Command line commands, so they couldn't serialize &
deserialize themselves properly. Fix that.
I also changed the "breakpoint list" command to note in the output
when the commands are Python commands. Fortunately only one test
was relying on this explicit bit of text output.
llvm-svn: 282432
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llvm-svn: 282269
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Then deal with all the fallout.
Differential Revision: https://reviews.llvm.org/D24847
llvm-svn: 282265
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llvm-svn: 282212
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Also tests for this and the ThreadSpec serialization.
llvm-svn: 282207
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It doesn't like the implicit conversion from T[] to ArrayRef<T>
so I'm using `llvm::makeArrayRef()`. Hopefully I got everything.
llvm-svn: 282195
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This change is very mechanical. All it does is change the
signature of `Options::GetDefinitions()` and `OptionGroup::
GetDefinitions()` to return an `ArrayRef<OptionDefinition>`
instead of a `const OptionDefinition *`. In the case of the
former, it deletes the sentinel entry from every table, and
in the case of the latter, it removes the `GetNumDefinitions()`
method from the interface. These are no longer necessary as
`ArrayRef` carries its own length.
In the former case, iteration was done by using a sentinel
entry, so there was no knowledge of length. Because of this
the individual option tables were allowed to be defined below
the corresponding class (after all, only a pointer was needed).
Now, however, the length must be known at compile time to
construct the `ArrayRef`, and as a result it is necessary to
move every option table before its corresponding class. This
results in this CL looking very big, but in terms of substance
there is not much here.
Differential revision: https://reviews.llvm.org/D24834
llvm-svn: 282188
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This change introduces optional marking of the column within a source
line where a thread is stopped. This marking will show up when the
source code for a thread stop is displayed, when the debug info
knows the column information, and if the optional column marking is
enabled.
There are two separate methods for handling the marking of the stop
column:
* via ANSI terminal codes, which are added inline to the source line
display. The default ANSI mark-up is to underline the column.
* via a pure text-based caret that is added in the appropriate column
in a newly-inserted blank line underneath the source line in
question.
There are some new options that control how this all works.
* settings set stop-show-column
This takes one of 4 values:
* ansi-or-caret: use the ANSI terminal code mechanism if LLDB
is running with color enabled; if not, use the caret-based,
pure text method (see the "caret" mode below).
* ansi: only use the ANSI terminal code mechanism to highlight
the stop line. If LLDB is running with color disabled, no
stop column marking will occur.
* caret: only use the pure text caret method, which introduces
a newly-inserted line underneath the current line, where
the only character in the new line is a caret that highlights
the stop column in question.
* none: no stop column marking will be attempted.
* settings set stop-show-column-ansi-prefix
This is a text format that indicates the ANSI formatting
code to insert into the stream immediately preceding the
column where the stop column character will be marked up.
It defaults to ${ansi.underline}; however, it can contain
any valid LLDB format codes, e.g.
${ansi.fg.red}${ansi.bold}${ansi.underline}
* settings set stop-show-column-ansi-suffix
This is the text format that specifies the ANSI terminal
codes to end the markup that was started with the prefix
described above. It defaults to: ${ansi.normal}. This
should be sufficient for the common cases.
Significant leg-work was done by Adrian Prantl. (Thanks, Adrian!)
differential review: https://reviews.llvm.org/D20835
reviewers: clayborg, jingham
llvm-svn: 282105
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This updates getters and setters to use StringRef instead of
const char *. I tested the build on Linux, Windows, and OSX
and saw no build or test failures. I cannot test any BSD
or Android variants, however I expect the required changes
to be minimal or non-existant.
llvm-svn: 282079
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Also if you set a breakpoint with an invalid name, we'll
refuse to set the breakpoint rather than silently ignoring
the name.
llvm-svn: 282043
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Serialize breakpoint names & the hardware_requested attributes.
Also added a few missing affordances to SBBreakpoint whose absence
writing the tests pointed out.
<rdar://problem/12611863>
llvm-svn: 282036
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This patch also marks the const char* versions as =delete to prevent
their use. This has the potential to cause build breakages on some
platforms which I can't compile. I have tested on Windows, Linux,
and OSX. Best practices for fixing broken callsites are outlined in
Args.h in a comment above the deleted function declarations.
Eventually we can remove these =delete declarations, but for now they
are important to make sure that all implicit conversions from
const char * are manually audited to make sure that they do not invoke a
conversion from nullptr.
llvm-svn: 281919
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Where possible, remove the const char* version. To keep the
risk and impact here minimal, I've only done the simplest
functions.
In the process, I found a few opportunities for adding some
unit tests, so I added those as well.
Tested on Windows, Linux, and OSX.
llvm-svn: 281799
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Moved the guts of the code from CommandObjectBreakpoint to Target (should
have done it that way in the first place.) Added an SBBreakpointList class
so there's a way to specify which breakpoints to serialize and to report the
deserialized breakpoints.
<rdar://problem/12611863>
llvm-svn: 281520
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Plumb unique_ptrs<> all the way through the baton interface.
NFC, this is a minor improvement to remove the possibility of an
accidental pointer ownership issue.
Reviewed By: jingham
Differential Revision: https://reviews.llvm.org/D24495
llvm-svn: 281360
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Still to come:
1) SB API's
2) Testcases
3) Loose ends:
a) serialize Thread options
b) serialize Exception resolvers
4) "break list --file" should list breakpoints contained in a file and
"break read -f 1 3 5" should then read in only those breakpoints.
<rdar://problem/12611863>
llvm-svn: 281273
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mode in lldb works. I've been discussing this with Jim Ingham,
Greg Clayton, and Kate Stone for the past week or two.
Previously lldb would print three source lines (centered on the
line table entry line for the current line) followed by the assembly.
It would print the context information (module`function + offset)
before those three lines of source.
Now lldb will print up to two lines before/after the line table
entry. It prints two '*' characters for the line table line to
make it clear what line is showing assembly. There is one line of
whitespace before/after the source lines so the separation between
source & assembly is clearer. I don't print the context line
(module`function + offset). I stop printing context lines if it's
a different line table entry, or if it's a source line I've already
printed as context to another source line. If I have two line table
entries one after another for the same source line (I get these often
with clang - with different column information in them), I only print
the source line once.
I'm also using the target.process.thread.step-avoid-regexp setting
(which keeps you from stepping into STL functions that have been inlined
into your own code) and avoid printing any source lines from functions
that match that regexp.
When lldb disassembles into a new function, it will try to find the
declaration line # for the function and print all of the source lines
between the decl and the first line table entry (usually a { curly brace)
so we have a good chance of including the arguments, at least with the
debug info emitted by clang.
Finally, the # of source lines of context to show has been separated
from whether we're doing mixed source & assembly or not. Previously
specifying 0 lines of context would turn off mixed source & assembly.
I think there's room for improvement, and maybe some bugs I haven't
found yet, but it's in good enough shape to upstream and iterate at
this point.
I'm not sure how best to indicate which source line is the actual line
table # versus context lines. I'm using '**' right now. Both Kate
and Greg had the initial idea to reuse '->' (normally used to indicate
"currently executing source line") - I tried it but I wasn't thrilled,
I'm too used to the established meaning of ->.
Greg had the interesting idea of avoiding context source lines only
in two line table entries in the same source file. So we'd print
two lines before & after a source line, and then the next line table
entry (if it was on the next source line after those two context lines)
we'd display only the following two lines -- the previous two had just
been printed. If an inline source line was printed between these two,
though, we'd print the context lines for both of them. It's an
interesting idea, and I want to see how it works with both -O0 and -O3
codegen where we have different amounts of inlining.
<rdar://problem/27961419>
llvm-svn: 280906
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*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
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MSVC emits an error when one uses a const variable in a lambda without
capturing it.
gcc and clang don't emit an error in this scenario.
llvm-svn: 280707
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When a process stops due to a crash, we get the crashing instruction and the
crashing memory location (if there is one). From the user's perspective it is
often unclear what the reason for the crash is in a symbolic sense.
To address this, I have added new fuctionality to StackFrame to parse the
disassembly and reconstruct the sequence of dereferneces and offsets that were
applied to a known variable (or fuction retrn value) to obtain the invalid
pointer.
This makes use of enhancements in the disassembler, as well as new information
provided by the DWARF expression infrastructure, and is exposed through a
"frame diagnose" command. It is also used to provide symbolic information, when
available, in the event of a crash.
The algorithm is very rudimentary, and it needs a bunch of work, including
- better parsing for assembly, preferably with help from LLVM
- support for non-Apple platforms
- cleanup of the algorithm core, preferably to make it all work in terms of
Operands instead of register/offset pairs
- improvement of the GetExpressioPath() logic to make prettier expression
paths, and
- better handling of vtables.
I welcome all suggestios, improvements, and testcases.
llvm-svn: 280692
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assert on a std::shared_ptr<>
Appease it by being very very very explicit about what I mean
llvm-svn: 280328
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algorithm
Fixes rdar://15455621 (and adds a test case for this command which - surprisingly and sadly - was not there originally)
llvm-svn: 280327
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easier to scan a set of options with a relatively large number of positional
arguments. This commit standardizes their formatting throughout LLDB and
applies surrounding directives to exempt them from being formatted by
clang-format.
These kinds of exemptions should be rare cases that benefit significantly
from alternative formatting. They also imply a long-term obligation to
maintain their format since the automated tools will not do so.
llvm-svn: 279882
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doesn't yield results and one has to go across multiple languages to scan for types
Fixes rdar://22422313
llvm-svn: 279784
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Options used to store a reference to the CommandInterpreter instance
in the base Options class. This made it impossible to parse options
independent of a CommandInterpreter.
This change removes the reference from the base class. Instead, it
modifies the options-parsing-related methods to take an
ExecutionContext pointer, which the options may inspect if they need
to do so.
Closes https://reviews.llvm.org/D23416
Reviewers: clayborg, jingham
llvm-svn: 278440
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It's always hard to remember when to include this file, and
when you do include it it's hard to remember what preprocessor
check it needs to be behind, and then you further have to remember
whether it's windows.h or win32.h which you need to include.
This patch changes the name to PosixApi.h, which is more appropriately
named, and makes it independent of any preprocessor setting.
There's still the issue of people not knowing when to include this,
because there's not a well-defined set of things it exposes other
than "whatever is missing on Windows", but at least this should
make it less painful to fix when problems arise.
This patch depends on LLVM revision r278170.
llvm-svn: 278177
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Submitted by giffunip@yahoo.com; I fixed a couple of nearby errors and
incorrect changes in the patch.
llvm.org/pr27634
llvm-svn: 275983
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review it for consistency, accuracy, and clarity. These changes attempt to
address all of the above while keeping the text relatively terse.
<rdar://problem/24868841>
llvm-svn: 275485
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We had support that assumed that thread local data for a variable could be determined solely from the module in which the variable exists. While this work for linux, it doesn't work for Apple OSs. The DWARF for thread local variables consists of location opcodes that do something like:
DW_OP_const8u (x)
DW_OP_form_tls_address
or
DW_OP_const8u (x)
DW_OP_GNU_push_tls_address
The "x" is allowed to be anything that is needed to determine the location of the variable. For Linux "x" is the offset within the TLS data for a given executable (ModuleSP in LLDB). For Apple OS variants, it is the file address of the data structure that contains a pthread key that can be used with pthread_getspecific() and the offset needed.
This fix passes the "x" along to the thread:
virtual lldb::addr_t
lldb_private::Thread::GetThreadLocalData(const lldb::ModuleSP module, lldb::addr_t tls_file_addr);
Then this is passed along to the DynamicLoader::GetThreadLocalData():
virtual lldb::addr_t
lldb_private::DynamicLoader::GetThreadLocalData(const lldb::ModuleSP module, const lldb::ThreadSP thread, lldb::addr_t tls_file_addr);
This allows each DynamicLoader plug-in do the right thing for the current OS.
The DynamicLoaderMacOSXDYLD was modified to be able to grab the pthread key from the data structure that is in memory and call "void *pthread_getspecific(pthread_key_t key)" to get the value of the thread local storage and it caches it per thread since it never changes.
I had to update the test case to access the thread local data before trying to print it as on Apple OS variants, thread locals are not available unless they have been accessed at least one by the current thread.
I also added a new lldb::ValueType named "eValueTypeVariableThreadLocal" so that we can ask SBValue objects for their ValueType and be able to tell when we have a thread local variable.
<rdar://problem/23308080>
llvm-svn: 274366
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<rdar://problem/26998596>
llvm-svn: 273979
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contained lexical blocks, even if they are static variables.
For code like:
int g_global = 234;
int g_static = 345;
int main(int argc, char **argv)
{
int a = 22333;
static int g_int = 123;
return g_global + g_static + g_int + a;
}
If we stop at the "return" statement, we expect to see "argc", "argv", "a" and "g_int" when we type "frame variable" since "g_int" is a locally defined static variable, but we don't expect to see "g_global" or "g_static" unless we add the -g option to "frame variable".
llvm-svn: 272348
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use when you have a process that can't JIT code, like core file debugging, the core file process plug-ins should be able to override the Process::GetMemoryRegionInfo(...) function.
In order to make this happen, I have added permissions to sections so that we can know what the permissions are for a given section, and modified both core file plug-ins to override Process::GetMemoryRegionInfo() and answer things correctly.
llvm-svn: 272276
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llvm-svn: 270024
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This is a pretty straightforward first pass over removing a number of uses of
Mutex in favor of std::mutex or std::recursive_mutex. The problem is that there
are interfaces which take Mutex::Locker & to lock internal locks. This patch
cleans up most of the easy cases. The only non-trivial change is in
CommandObjectTarget.cpp where a Mutex::Locker was split into two.
llvm-svn: 269877
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are part of a disabled category
Fixes rdar://26202006
llvm-svn: 269673
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This allows expressions such as 'i == 1 || i == 2` to be executed using the IR interpreter, instead of relying on JIT code injection (which may not be available on some platforms).
Patch by cameron314
Differential Revision: http://reviews.llvm.org/D19124
llvm-svn: 269340
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Summary:
The "file" variable in a LineEntry was mapped using target.source-map, except when stepping through inlined code. This patch adds a new variable to LineEntry, "original_file", that contains the original file from the debug info. "file" will continue to (possibly) be mapped.
Some code has been changed to use "original_file". This is code dealing with symbols. Code dealing with source files will still use "file". Reviewers, please confirm that these particular changes are correct.
Tests run on Ubuntu 12.04 show no regression.
Reviewers: clayborg, jingham
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D20135
llvm-svn: 269250
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reconstruct a compile unit or a function, but it still has a valid symbol - and it can use that in order to figure out the preferential language for lookups
This is not the right thing for all clients (notably the expression parser), so put it in type lookup specific code
Fixes rdar://problem/22422313
llvm-svn: 269095
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IOHandlerLinesUpdated() does nothing, and IOHandlerIsInputComplete should be
implemented but isn't. This means that multiline expressions don't work. This
patch fixes that. Test case to follow in the next commit.
llvm-svn: 268970
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within a source file.
This isn't done, I need to make the name match smarter (right now it requires an
exact match which is annoying for methods of a class in a namespace.
Also, though we use it in tests all over the place, it doesn't look like we have
a test for Source Regexp breakpoints by themselves, I'll add that in a follow-on patch.
llvm-svn: 267834
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This option evaluates an expression and, if the result is of pointer type, treats it as if it was an array of that many elements and displays such elements
This has a couple subtle points but is mostly as straightforward as it sounds
Add a parray N <expr> alias for this new mode
Also, extend the --object-description mode to do the moral equivalent of the above but display each element in --object-description mode
Add a poarray N <expr> alias for this
llvm-svn: 267372
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words in REPL mode.
llvm-svn: 266940
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spawning an inferior process
llvm-svn: 266911
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accepting them, and fail to add any strings that fail parsing
llvm-svn: 266138
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the real way to invoke it
llvm-svn: 266129
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allow to make aliases starting with a - as that isn't really supported, and is most often a mistake (trying to pass options)
llvm-svn: 265820
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