* Add ShortenType function
Taken from
https://github.com/aarzilli/gdlv/blob/master/internal/prettyprint/short.go
with kind permission by @aarzilli.
* Shorten type names in variable values
The variables view in VS Code is a lot easier to read if long type names are
shortened in much the same way as we shorten them for functions in the call
stack view.
We only shorten them in the value strings; the Type field of dap.Variable is
kept as is. Since this only appears in a tooltip, it isn't a problem to have the
full type visible there.
- fix TestRefreshCurThreadSelGAfterContinueOnceError and TestBadAccess
to work when debugserver has --unmask-signals
- when a fatal signal is received while singlestepping delay its
delivery until the subsequent continue, otherwise debugserver will get
stuck completely (fixes TestNilPtrDerefInBreakInstr)
Fixes bugs introduced in v1.21.1
* Avoid dropping the last bytes from stderr/stdout when Read returns an
error. (Read returns n>0). And skip sending Output event if Read
returns n==0.
* Fix the bug that drops all stdout in the existing noDebug mode.
For #3253
* enable func call injection on delve for ppc64le
* Function call injection on Delve/ppc64le, modified DWARF encoding and decoding for floating point registers to make floatsum test work
* Function call injection on Delve/ppc64le cleanup
* skip PIE tests for function call injection on other packages
* Address review comments
* accounted for additional skipped PIE tests for function call injection
* Code cleanup and undoing revert of previous commit
* Enable function call injection only on 1.22 and above and some cleanup
* additional cleanup, go fmt run
* Debug function call tests fail on ppc64le/PIE mode adjusted the backup_test_health.md file accordingly
This command lists the packages included in the debugee.
The implementation utilizes "ListPackagesBuildInfo" RPC.
In order to support server-side filtering like `sources` and other
commands, expanded the ListPackagesBuildInfo RPC to take an optional
filter field.
This solves the problem that function names with long package paths are hard to
read when the callstack window is narrow, because all you see is the beginning
of the package path.
For example, instead of
github.com/some/long/package/path/pkg.(*SomeType).SomeMethod
we now display
pkg.(*SomeType).SomeMethod
Adds -chan option to the goroutines command to list only the goroutines
running on a specified channel.
Also when printing a variable if it is a channel also print the list of
goroutines that are waiting on it.
If there is no current goroutine when 'next', 'step' or 'stepout' are
used set a condition that the thread ID should stay the same instead.
This makes stepping work for multithreaded C programs or Go programs
that have threads started by cgo code.
Fixes#3262
The documentation of io.EOF: Read must return EOF itself, not an error
wrapping EOF, because callers will test for EOF using ==.
This is a trivial change; people may think it's normal use of "errors.Is",
even it's OK, it could be replaced with "errors.Is(err, io.EOF)" in idiomatic way.
Adds a waitfor option to 'dlv attach' that waits for a process with a
name starting with a given prefix to appear before attaching to it.
Debugserver on macOS does not support follow-fork mode, but has this
feature instead which is not the same thing but still helps with
multiprocess debugging somewhat.
Change FindLocation so it can return a substitute location expression
and propagate it to pkg/terminal/command.
When breakpoints are set using the syntax :<lineno> or +<lineno>
produce a substitute location expression that doesn't depend on having
a valid scope and can be used to restore the breakpoint.
Fixes#3423
Show the location expression that will be used to set a suspended
breakpoint in the breakpoints list.
Also change 'target' called without arguments to print a better error
message and 'target follow-exec' without the last argument to print the
state of follow-exec.
The regular expression attempted to match for a network address,
but actually does not match any network addresses. The two
documentation includes "192.0.2.1:25" and "[2001:db8::1]:80" as
examples, neither of which match the current regex. This change
updates the regular expression to ensure that there is some text
at the desired position, but not what the text is.
* logflags,proc: flag to log stacktrace execution
Add a log flag to write logs about what the stacktracer does.
* proc: read context from sigtrampgo, fixes TestCgoStacktrace2 on 1.21
Changes stacktrace code to read the signal context from the arguments
of sigtrampgo.
Also changes the automatic fatalthrow breakpoint for go 1.21.
In combination these two changes fix TestCgoStacktrace2 on Go 1.21 on
various platforms.
We used to parse the .gopclntab section but removed support in favor of
simply using DWARF debug information, due to lack of C symbols among
other reasons. This makes it impossible to debug stripped binaries,
which some distrubutions ship by default.
Add back in basic support for .gopclntab which survives if the binary
is stripped, allowing for rudimentary debugging such as basic
program navigation, tracing, etc...
Using a fixed path as the default output binary means that executing
Delve twice in the same directory will cause the second invocation to
overwrite the output binary of the first instance of Delve, making the
restart command not work correctly.
Fixes#3345
Read the command line of the main target process as well as any other
process Delve attaches to in follow exec mode.
The command line can be viewed using the 'target list' command.
In follow exec mode this command line is used to match the follow exec
regex to decide whether or not to attach to a child process.
On macOS or when using rr the list of arguments is not available for
attached processes since there is no way to use the gdb serial protocol
to read it.
Fixes#2242
A series of interconnected changes to both the terminal command
'config', DAP command 'dlv config', quality of life improvements to how
substitute-path works, and better documentation.
- Let 'config substitute-path' show the current substitute path rules
- Add a -clear command to 'config substitute-path'
- Support 'config-debug-info-directories'
- rewrite SubstitutePath to be platform independent (see below)
- document path substitution more
Regarding the rewrite of SubstitutePath: the previous version used
runtime.GOOS and filepath.IsAbs to determine which filepath separator to use
and if matching should be case insensitive. This is wrong in all situations
where the client and server run on different OSes, when examining core files
and when cross-compilation is involved.
The new version of SubstitutePath checks the rules and the input path to
determine if Windows is involved in the process, if it looks like it is it
switches to case-insensitive matching. It uses a lax version of
filepath.IsAbs to determine if a path is absolute and tries to avoid having
to select a path separator as much as possible
Fixes#2891, #2890, #2889, #3179, #3332, #3343
