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proc: correctly format ARM64 floating point registers (#2289)

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Fixes #2198

Co-authored-by: du.jinze <du.jinze@zte.com.cn>
This commit is contained in:
Alessandro Arzilli
2021-01-26 19:37:47 +01:00
committed by GitHub
parent fc9e0be8e7
commit fa016faa52
1 changed files with 26 additions and 23 deletions
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49
pkg/proc/arm64_arch.go
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@ -4,7 +4,6 @@ import (
"bytes" "bytes"
"encoding/binary" "encoding/binary"
"fmt" "fmt"
"io"
"strings" "strings"
"github.com/go-delve/delve/pkg/dwarf/frame" "github.com/go-delve/delve/pkg/dwarf/frame"
@ -390,33 +389,37 @@ func arm64DwarfRegisterToString(i int, reg *op.DwarfRegister) (name string, floa
var out bytes.Buffer var out bytes.Buffer
var vi [16]uint8 var vi [16]uint8
for i := range vi { for i := range vi {
binary.Read(buf, binary.LittleEndian, &vi[i]) _ = binary.Read(buf, binary.LittleEndian, &vi[i])
} }
//D
fmt.Fprintf(&out, " {\n\tD = {u = {0x%02x%02x%02x%02x%02x%02x%02x%02x,", vi[7], vi[6], vi[5], vi[4], vi[3], vi[2], vi[1], vi[0])
fmt.Fprintf(&out, " 0x%02x%02x%02x%02x%02x%02x%02x%02x},", vi[15], vi[14], vi[13], vi[12], vi[11], vi[10], vi[9], vi[8])
fmt.Fprintf(&out, " s = {0x%02x%02x%02x%02x%02x%02x%02x%02x,", vi[7], vi[6], vi[5], vi[4], vi[3], vi[2], vi[1], vi[0])
fmt.Fprintf(&out, " 0x%02x%02x%02x%02x%02x%02x%02x%02x}},", vi[15], vi[14], vi[13], vi[12], vi[11], vi[10], vi[9], vi[8])
fmt.Fprintf(&out, "0x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", vi[15], vi[14], vi[13], vi[12], vi[11], vi[10], vi[9], vi[8], vi[7], vi[6], vi[5], vi[4], vi[3], vi[2], vi[1], vi[0]) //S
fmt.Fprintf(&out, " \n\tS = {u = {0x%02x%02x%02x%02x,0x%02x%02x%02x%02x,", vi[3], vi[2], vi[1], vi[0], vi[7], vi[6], vi[5], vi[4])
fmt.Fprintf(&out, " 0x%02x%02x%02x%02x,0x%02x%02x%02x%02x},", vi[11], vi[10], vi[9], vi[8], vi[15], vi[14], vi[13], vi[12])
fmt.Fprintf(&out, " s = {0x%02x%02x%02x%02x,0x%02x%02x%02x%02x,", vi[3], vi[2], vi[1], vi[0], vi[7], vi[6], vi[5], vi[4])
fmt.Fprintf(&out, " 0x%02x%02x%02x%02x,0x%02x%02x%02x%02x}},", vi[11], vi[10], vi[9], vi[8], vi[15], vi[14], vi[13], vi[12])
fmt.Fprintf(&out, "\tv2_int={ %02x%02x%02x%02x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x%02x%02x }", vi[7], vi[6], vi[5], vi[4], vi[3], vi[2], vi[1], vi[0], vi[15], vi[14], vi[13], vi[12], vi[11], vi[10], vi[9], vi[8]) //H
fmt.Fprintf(&out, " \n\tH = {u = {0x%02x%02x,0x%02x%02x,0x%02x%02x,0x%02x%02x,", vi[1], vi[0], vi[3], vi[2], vi[5], vi[4], vi[7], vi[6])
fmt.Fprintf(&out, " 0x%02x%02x,0x%02x%02x,0x%02x%02x,0x%02x%02x},", vi[9], vi[8], vi[11], vi[10], vi[13], vi[12], vi[15], vi[14])
fmt.Fprintf(&out, " s = {0x%02x%02x,0x%02x%02x,0x%02x%02x,0x%02x%02x,", vi[1], vi[0], vi[3], vi[2], vi[5], vi[4], vi[7], vi[6])
fmt.Fprintf(&out, " 0x%02x%02x,0x%02x%02x,0x%02x%02x,0x%02x%02x}},", vi[9], vi[8], vi[11], vi[10], vi[13], vi[12], vi[15], vi[14])
fmt.Fprintf(&out, "\tv4_int={ %02x%02x%02x%02x %02x%02x%02x%02x %02x%02x%02x%02x %02x%02x%02x%02x }", vi[3], vi[2], vi[1], vi[0], vi[7], vi[6], vi[5], vi[4], vi[11], vi[10], vi[9], vi[8], vi[15], vi[14], vi[13], vi[12]) //B
fmt.Fprintf(&out, " \n\tB = {u = {0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,", vi[0], vi[1], vi[2], vi[3], vi[4], vi[5], vi[6], vi[7])
fmt.Fprintf(&out, "\tv8_int={ %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x }", vi[1], vi[0], vi[3], vi[2], vi[5], vi[4], vi[7], vi[6], vi[9], vi[8], vi[11], vi[10], vi[13], vi[12], vi[15], vi[14]) fmt.Fprintf(&out, " 0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x},", vi[8], vi[9], vi[10], vi[11], vi[12], vi[13], vi[14], vi[15])
fmt.Fprintf(&out, " s = {0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,", vi[0], vi[1], vi[2], vi[3], vi[4], vi[5], vi[6], vi[7])
fmt.Fprintf(&out, "\tv16_int={ %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x }", vi[0], vi[1], vi[2], vi[3], vi[4], vi[5], vi[6], vi[7], vi[8], vi[9], vi[10], vi[11], vi[12], vi[13], vi[14], vi[15]) fmt.Fprintf(&out, " 0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x}}", vi[8], vi[9], vi[10], vi[11], vi[12], vi[13], vi[14], vi[15])
buf.Seek(0, io.SeekStart)
var v2 [2]float64
for i := range v2 {
binary.Read(buf, binary.LittleEndian, &v2[i])
}
fmt.Fprintf(&out, "\tv2_float={ %g %g }", v2[0], v2[1])
buf.Seek(0, io.SeekStart)
var v4 [4]float32
for i := range v4 {
binary.Read(buf, binary.LittleEndian, &v4[i])
}
fmt.Fprintf(&out, "\tv4_float={ %g %g %g %g }", v4[0], v4[1], v4[2], v4[3])
//Q
fmt.Fprintf(&out, " \n\tQ = {u = {0x%02x%02x%02x%02x%02x%02x%02x%02x", vi[15], vi[14], vi[13], vi[12], vi[11], vi[10], vi[9], vi[8])
fmt.Fprintf(&out, "%02x%02x%02x%02x%02x%02x%02x%02x},", vi[7], vi[6], vi[5], vi[4], vi[3], vi[2], vi[1], vi[0])
fmt.Fprintf(&out, " s = {0x%02x%02x%02x%02x%02x%02x%02x%02x", vi[15], vi[14], vi[13], vi[12], vi[11], vi[10], vi[9], vi[8])
fmt.Fprintf(&out, "%02x%02x%02x%02x%02x%02x%02x%02x}}\n\t}", vi[7], vi[6], vi[5], vi[4], vi[3], vi[2], vi[1], vi[0])
return name, true, out.String() return name, true, out.String()
} else if reg.Bytes == nil || (reg.Bytes != nil && len(reg.Bytes) < 16) { } else if reg.Bytes == nil || (reg.Bytes != nil && len(reg.Bytes) < 16) {
return name, false, fmt.Sprintf("%#016x", reg.Uint64Val) return name, false, fmt.Sprintf("%#016x", reg.Uint64Val)