| 496 | } |
| 497 | |
| 498 | func (b *binrep) openPE(name string, start, limit, offset uint64) (plugin.ObjFile, error) { |
| 499 | pf, err := pe.Open(name) |
| 500 | if err != nil { |
| 501 | return nil, fmt.Errorf("error parsing %s: %v", name, err) |
| 502 | } |
| 503 | defer pf.Close() |
| 504 | |
| 505 | var imageBase uint64 |
| 506 | switch h := pf.OptionalHeader.(type) { |
| 507 | case *pe.OptionalHeader32: |
| 508 | imageBase = uint64(h.ImageBase) |
| 509 | case *pe.OptionalHeader64: |
| 510 | imageBase = uint64(h.ImageBase) |
| 511 | default: |
| 512 | return nil, fmt.Errorf("unknown OptionalHeader %T", pf.OptionalHeader) |
| 513 | } |
| 514 | |
| 515 | var base uint64 |
| 516 | if start > 0 { |
| 517 | base = start - imageBase |
| 518 | } |
| 519 | if b.fast || (!b.addr2lineFound && !b.llvmSymbolizerFound) { |
| 520 | return &fileNM{file: file{b: b, name: name, base: base}}, nil |
| 521 | } |
| 522 | return &fileAddr2Line{file: file{b: b, name: name, base: base}}, nil |
| 523 | } |
| 524 | |
| 525 | // elfMapping stores the parameters of a runtime mapping that are needed to |
| 526 | // identify the ELF segment associated with a mapping. |