// As an example, the following func
//
//   b1:
//     v1 = InitMem <mem>
//     Plain -> b2
//   b2:
//     Exit v1
//   b3:
//     v2 = Const <bool> [true]
//     If v2 -> b3 b2
//
// can be defined as
//
//   fun := Fun("entry",
//       Bloc("entry",
//           Valu("mem", OpInitMem, types.TypeMem, 0, nil),
//           Goto("exit")),
//       Bloc("exit",

		}
		s.line = excerpts[2]
		addedLine = s.ioState.history.add(s.file, s.line, excerpt)
	}

	if !addedLine {
		// True if this was a repeat line
		return true
	}
	// Look for //gdb-<tag>=(v1,v2,v3) and print v1, v2, v3
	vars := varsToPrint(excerpt, "//"+s.tag()+"=(")
	for _, v := range vars {
		response := printVariableAndNormalize(v, func(v string) string {
			return s.ioState.writeReadExpect("p "+v+"\n", "[(]gdb[)] ").String()

constant. It can do this by reading object files. If cgo has decided
that t1 is a type, v2 and v3 are variables or functions, and i4, i5
are integer constants, u6 is an unsigned integer constant, and f7 and f8
are float constants, and s9 and s10 are string constants, it generates:

	<preamble>
	__typeof__(t1) *__cgo__1;
	__typeof__(v2) *__cgo__2;
	__typeof__(v3) *__cgo__3;
	__typeof__(i4) *__cgo__4;

	FREGMAX = REG_F26 /* last register variable for 9g only */
	FREGEXT = REG_F26 /* first external register */
)

// OpenPOWER ABI for Linux Supplement Power Architecture 64-Bit ELF V2 ABI
// https://openpowerfoundation.org/?resource_lib=64-bit-elf-v2-abi-specification-power-architecture
var PPC64DWARFRegisters = map[int16]int16{}

func init() {
	// f assigns dwarfregister[from:to] = (base):(to-from+base)

		var highest string
		for _, line := range strings.Split(string(out), "\n") {
			line = strings.TrimSpace(line)
			// git do support lstrip in for-each-ref format, but it was added in v2.13.0. Stripping here
			// instead gives support for git v2.7.0.
			if !strings.HasPrefix(line, "refs/tags/") {
				continue
			}
			line = line[len("refs/tags/"):]

			if !strings.HasPrefix(line, prefix) {
				continue
			}

					// errors for modules with shorter paths.

					// golang.org/issue/34383 is a special case of this: if we have
					// already found example.com/foo/v2@v2.0.0 with a matching go.mod
					// file, ignore the error from example.com/foo@v2.0.0.
				} else {
					err = r.err
				}
			}
		}
	}

	// TODO(#26232): If len(found) == 0 and some of the errors are 4xx HTTP

	C_COND              // condition code, EQ, NE, etc.
	C_SPOP              // special operand, PLDL1KEEP, VMALLE1IS, etc.
	C_ARNG              // Vn.<T>
	C_ELEM              // Vn.<T>[index]
	C_LIST              // [V1, V2, V3]

	C_ZCON     // $0
	C_ABCON0   // could be C_ADDCON0 or C_BITCON
	C_ADDCON0  // 12-bit unsigned, unshifted
	C_ABCON    // could be C_ADDCON or C_BITCON
	C_AMCON    // could be C_ADDCON or C_MOVCON

//			reg = REG_[US]XT[BHWX] + register + shift amount
//			offset = ((reg&31) << 16) | (exttype << 13) | (amount<<10)
//
//	reg.<T>
//		Register arrangement for ARM64 SIMD register
//		e.g.: V1.S4, V2.S2, V7.D2, V2.H4, V6.B16
//		Encoding:
//			type = TYPE_REG
//			reg = REG_ARNG + register + arrangement
//
//	reg.<T>[index]
//		Register element for ARM64
//		Encoding:
//			type = TYPE_REG

	Q10
	Q11
	Q12
	Q13
	Q14
	Q15
	Q16
	Q17
	Q18
	Q19
	Q20
	Q21
	Q22
	Q23
	Q24
	Q25
	Q26
	Q27
	Q28
	Q29
	Q30
	Q31

	V0
	V1
	V2
	V3
	V4
	V5
	V6
	V7
	V8
	V9
	V10
	V11
	V12
	V13
	V14
	V15
	V16
	V17
	V18
	V19
	V20
	V21
	V22
	V23
	V24
	V25
	V26
	V27

// package references and follows the equivalent [SEC 1, Version 2.0].
//
// [FIPS 186-4]: https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.186-4.pdf
// [SEC 1, Version 2.0]: https://www.secg.org/sec1-v2.pdf

import (
	"bytes"
	"crypto"
	"crypto/aes"
	"crypto/cipher"
	"crypto/ecdh"
	"crypto/elliptic"
	"crypto/internal/bigmod"
	"crypto/internal/boring"
	"crypto/internal/boring/bbig"