diff options
Diffstat (limited to 'src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/objdump_test.go')
| -rw-r--r-- | src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/objdump_test.go | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/objdump_test.go b/src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/objdump_test.go deleted file mode 100644 index b886f7bad1..0000000000 --- a/src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/objdump_test.go +++ /dev/null @@ -1,133 +0,0 @@ -// Copyright 2014 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 ppc64asm - -import ( - "encoding/binary" - "strings" - "testing" -) - -func TestObjdumpPowerTestdata(t *testing.T) { testObjdump(t, testdataCases(t)) } -func TestObjdumpPowerManual(t *testing.T) { testObjdump(t, hexCases(t, objdumpManualTests)) } - -// Disable this for now since generating all possible bit combinations within a word -// generates lots of ppc64x instructions not possible with golang so not worth supporting.. -//func TestObjdumpPowerRandom(t *testing.T) { testObjdump(t, randomCases(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 = ` -6d746162 -4c040000 -88000017 -` - -// allowedMismatchObjdump reports whether the mismatch between text and dec -// should be allowed by the test. -func allowedMismatchObjdump(text string, size int, inst *Inst, dec ExtInst) bool { - if hasPrefix(dec.text, deleted...) { - return true - } - - // we support more instructions than binutils - if strings.Contains(dec.text, ".long") { - return true - } - - if hasPrefix(text, "error:") { - if hasPrefix(dec.text, unsupported...) { - return true - } - } - - switch inst.Op { - case BC, BCA, BL, BLA, BCL, BCLA, TDI, TWI, TW, TD: - return true // TODO(minux): we lack the support for extended opcodes here - case RLWNM, RLWNMCC, RLDICL, RLDICLCC, RLWINM, RLWINMCC, RLDCL, RLDCLCC: - return true // TODO(minux): we lack the support for extended opcodes here - case DCBTST, DCBT: - return true // objdump uses the embedded argument order, we use the server argument order - case MTFSF, MTFSFCC: // objdump doesn't show the last two arguments - return true - case VSPLTB, VSPLTH, VSPLTW: // objdump generates unreasonable result "vspltw v6,v19,4" for 10c49a8c, the last 4 should be 0. - return true - } - if hasPrefix(text, "evm", "evl", "efs") { // objdump will disassemble them wrong (e.g. evmhoumia as vsldoi) - return true - } - - if len(dec.enc) >= 4 { - _ = binary.BigEndian.Uint32(dec.enc[:4]) - } - - return false -} - -// Instructions known to libopcodes (or xed) but not to us. -// TODO(minux): those single precision instructions are missing from ppc64.csv -// those data cache instructions are deprecated, but must be treated as no-ops, see 4.3.2.1 pg. 774. -var unsupported = strings.Fields(` -fmsubs -fmsubs. -fnmadds -fnmadds. -fnmsubs -fnmsubs. -fmuls -fmuls. -fdivs -fdivs. -fadds -fadds. -fsubs -fsubs. -dst -dstst -dssall -`) - -// Instructions explicitly dropped in Power ISA that were in POWER architecture. -// See A.30 Deleted Instructions and A.31 Discontiued Opcodes -var deleted = strings.Fields(` -abs -clcs -clf -cli -dclst -div -divs -doz -dozi -lscbx -maskg -maskir -mfsri -mul -nabs -rac -rfi -rfsvc -rlmi -rrib -sle -sleq -sliq -slliq -sllq -slq -sraiq -sraq -sre -srea -sreq -sriq -srliq -srlq -srq -maskg`) |