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Signed-off-by: cui fliter <imcusg@gmail.com>
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"make generate" produces this diff when go 1.17 (go1.17-c95464f0ea3f==upstream)
is used. Seems compatible with >=1.16.
https://github.com/golang/go/commit/4d2d89ff42ca documents the syntax.
https://github.com/golang/go/commit/eeadce2d8713 enforces "ignore" for
unsatisfiable tags hence the pkg/csource/gen.go change.
Signed-off-by: Alexey Kardashevskiy <aik@linux.ibm.com>
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A new version of golangci-lint started failing trying to build syz-trace2syz
(because we already ignore some files).
Ignore the rest of files to fix the failure.
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log.Fatal is not the proper way to handle errors.
It does not allow to write good tests, fuzzers
and utilities that crash all the time.
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Current code structuring has 2 problems:
1. parsing anything with proggen requires complex multistep dance including
- parsing data with parser
- walking the resulting tree manually and calling proggen on each
- then for each context
- calling FillOutMemory (unclear why it's not part of parsing)
- calling prog.Finalize
- checking is the program is not too large
All of this duplicated across trace2syz and tests.
And any new tests or fuzzers we will write will need to duplicate
all of this logic too.
2. As the result of this structuring, lots of proggen guts
and implementation details are exposed.
While none of the callers are actually intersted in Context details,
they are not interested in Context itself whatsoever.
What every caller wants is "here is data to parse, give me programs".
Add such function.
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We already printed file name of the trace in parseTraces,
no need to print it again and again.
Consequently we don't need Filename in TraceTree.
If needed, caller can always log it before parsing,
or pass along with the TraceTree.
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If we are handling whole files, it's more efficient to use []byte.
string is not really meant to hold large amounts of data.
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Lots of assorted changes mainly converting code to idiomatic Go
and replacing code with equivalent, but shorter code.
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* fixing weird merge error
* fixing presubmit
* fixing presubmit
* removing parsing code because of -Xraw option
* fix presubmit
* update
* deleting vma_call_handlers as we are currently skipping most vma calls. This simplifies memory_tracker as we don't need to keep track of vma allocations
* removing custom handling of bpf_instruction union
* removing ifconf parsing
* update
* removed all expression types and replaced them with constant types. removing ipv6_addr parsing while -Xraw is getting fixed. Removing constants.go
* removing ipv6 parsing
* presubmit
* moving direction check from ipv4_addr out to genUnion
* removing code that parses kcov
* removing redundant test
* removing custom code in generate unions to fill ipv4_addr
* proggen: changing order of imports to make external packages import first
fixing presubmit
* changing log messages to lower case to be consistent with other packages.
* removing pointer type and simplifying memory_tracker
removing comment
* moving context and return_cache to seaparate files
* deleting default argument generation when we should probably throw an error
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