diff options
Diffstat (limited to 'src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/objdump_test.go')
| -rw-r--r-- | src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/objdump_test.go | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/objdump_test.go b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/objdump_test.go deleted file mode 100644 index 3baf8a19dd..0000000000 --- a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/objdump_test.go +++ /dev/null @@ -1,162 +0,0 @@ -// Copyright 2017 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package arm64asm - -import ( - "strings" - "testing" -) - -func TestObjdumpARM64TestDecodeGNUSyntaxdata(t *testing.T) { - testObjdumpARM64(t, testdataCases(t, "gnu")) -} -func TestObjdumpARM64TestDecodeGoSyntaxdata(t *testing.T) { - testObjdumpARM64(t, testdataCases(t, "plan9")) -} -func TestObjdumpARM64Manual(t *testing.T) { testObjdumpARM64(t, hexCases(t, objdumpManualTests)) } -func TestObjdumpARM64Cond(t *testing.T) { testObjdumpARM64(t, condCases(t)) } -func TestObjdumpARM64(t *testing.T) { testObjdumpARM64(t, JSONCases(t)) } - -// objdumpManualTests holds test cases that will be run by TestObjdumpARMManual. -// If you are debugging a few cases that turned up in a longer run, it can be useful -// to list them here and then use -run=Manual, particularly with tracing enabled. -// Note that these are byte sequences, so they must be reversed from the usual -// word presentation. -var objdumpManualTests = ` -bf2003d5 -9f2003d5 -7f2003d5 -5f2003d5 -3f2003d5 -1f2003d5 -df4d03d5 -ff4d03d5 -28d91b14 -da6cb530 -15e5e514 -ff4603d5 -df4803d5 -bf4100d5 -9f3f03d5 -9f3e03d5 -9f3d03d5 -9f3b03d5 -9f3a03d5 -9f3903d5 -9f3703d5 -9f3603d5 -9f3503d5 -9f3303d5 -9f3203d5 -9f3103d5 -ff4603d5 -df4803d5 -bf4100d5 -a3681b53 -47dc78d3 -0500a012 -0500e092 -0500a052 -0500a0d2 -cd5a206e -cd5a202e -743d050e -743d0a0e -743d0c0e -743d084e -` - -// allowedMismatchObjdump reports whether the mismatch between text and dec -// should be allowed by the test. -func allowedMismatchObjdump(text string, inst *Inst, dec ExtInst) bool { - // Skip unsupported instructions - if hasPrefix(dec.text, todo...) { - return true - } - // GNU objdump has incorrect alias conditions for following instructions - if inst.Enc&0x000003ff == 0x000003ff && hasPrefix(dec.text, "negs") && hasPrefix(text, "cmp") { - return true - } - // GNU objdump "NV" is equal to our "AL" - if strings.HasSuffix(dec.text, " nv") && strings.HasSuffix(text, " al") { - return true - } - if strings.HasPrefix(dec.text, "b.nv") && strings.HasPrefix(text, "b.al") { - return true - } - // GNU objdump recognizes invalid binaries as following instructions - if hasPrefix(dec.text, "hint", "mrs", "msr", "bfc", "orr", "mov") { - return true - } - if strings.HasPrefix(text, "hint") { - return true - } - // GNU objdump recognizes reserved valuse as valid ones - if strings.Contains(text, "unknown instruction") && hasPrefix(dec.text, "fmla", "fmul", "fmulx", "fcvtzs", "fcvtzu", "fmls", "fmov", "scvtf", "ucvtf") { - return true - } - // Some old objdump recognizes ldur*/stur*/prfum as ldr*/str*/prfm - for k, v := range oldObjdumpMismatch { - if strings.HasPrefix(dec.text, k) && strings.Replace(dec.text, k, v, 1) == text { - return true - } - } - // New objdump supports some newer mnemonics than this package. This - // package should be updated to support the new mnemonics and the sense - // of this reversed to continue passing with older objdumps but that - // requires internal ARM tooling. - if newForm, ok := newMnemonics[text]; ok && newForm == dec.text { - return true - } - // GNU objdump misses spaces between operands for some instructions (e.g., "ld1 {v10.2s, v11.2s}, [x23],#16") - if strings.Replace(text, " ", "", -1) == strings.Replace(dec.text, " ", "", -1) { - return true - } - return false -} - -// TODO: system instruction. -var todo = strings.Fields(` - sys - dc - at - tlbi - ic - hvc - smc -`) - -// Following instructions can't be covered because they are just aliases to another instructions which are always preferred -var Ncover = strings.Fields(` - sbfm - asrv - bfm - ubfm - lslv - lsrv - rorv - ins - dup -`) - -// Some old objdump wrongly decodes following instructions and allow their mismatches to avoid false alarm -var oldObjdumpMismatch = map[string]string{ - //oldObjValue correctValue - "ldr": "ldur", - "ldrb": "ldurb", - "ldrh": "ldurh", - "ldrsb": "ldursb", - "ldrsh": "ldursh", - "ldrsw": "ldursw", - "str": "stur", - "strb": "sturb", - "strh": "sturh", - "prfm": "prfum", -} - -var newMnemonics = map[string]string{ - "dsb #0x00": "ssbb", - "dsb #0x04": "pssbb", -} |