ROSE  0.9.6a
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PeSection.C
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1 /* Windows PE Sections (SgAsmPESection and related classes) */
2 
3 #include "sage3basic.h"
4 
5 /* Pre-unparsing updates */
6 bool
7 SgAsmPESection::reallocate()
8 {
9  bool reallocated = false;
10 
11  SgAsmPESectionTableEntry *shdr = get_section_entry();
12  if (shdr)
13  shdr->update_from_section(this);
14 
15  return reallocated;
16 }
17 
21 SgAsmPESection *
22 SgAsmPESection::init_from_section_table(SgAsmPESectionTableEntry *entry, int id)
23 {
24  ROSE_ASSERT(entry);
25  ROSE_ASSERT(id>=0);
26 
27  SgAsmPEFileHeader *fhdr = dynamic_cast<SgAsmPEFileHeader*>(get_header());
28  ROSE_ASSERT(fhdr!=NULL);
29 
30  set_synthesized(false);
31  set_name(new SgAsmBasicString(entry->get_name()));
32  set_id(id);
33  set_purpose(SP_PROGRAM);
34 
35  /* File mapping */
36  set_offset(entry->get_physical_offset());
37  set_size(entry->get_physical_size());
38  set_file_alignment(fhdr->get_e_file_align());
39 
40  /* Memory mapping */
41  if (entry->get_rva() > 0) {
42  set_mapped_preferred_rva(entry->get_rva());
43  set_mapped_actual_va(0); /*will be asigned by BinaryLoader*/
44  set_mapped_size(entry->get_virtual_size());
45  set_mapped_alignment(fhdr->get_e_section_align());
46  set_mapped_rperm((entry->get_flags() & SgAsmPESectionTableEntry::OF_READABLE)
47  == SgAsmPESectionTableEntry::OF_READABLE);
48  set_mapped_wperm((entry->get_flags() & SgAsmPESectionTableEntry::OF_WRITABLE)
49  == SgAsmPESectionTableEntry::OF_WRITABLE);
50  set_mapped_xperm((entry->get_flags() & SgAsmPESectionTableEntry::OF_EXECUTABLE)
51  == SgAsmPESectionTableEntry::OF_EXECUTABLE);
52  } else {
53  set_mapped_preferred_rva(0);
54  set_mapped_actual_va(0); /*will be assigned by Loader*/
55  set_mapped_size(0);
56  set_mapped_rperm(false);
57  set_mapped_wperm(false);
58  set_mapped_xperm(false);
59  set_mapped_alignment(fhdr->get_e_section_align());
60  }
61 
62  /* Add section table entry to section */
63  set_section_entry(entry);
64  entry->set_parent(this);
65 
66  return this;
67 }
68 
69 /* Print some debugging info. */
70 void
71 SgAsmPESection::dump(FILE *f, const char *prefix, ssize_t idx) const
72 {
73  char p[4096];
74  if (idx>=0) {
75  sprintf(p, "%sPESection[%zd].", prefix, idx);
76  } else {
77  sprintf(p, "%sPESection.", prefix);
78  }
79 
80  SgAsmGenericSection::dump(f, p, -1);
81  if (p_section_entry)
82  p_section_entry->dump(f, p, -1);
83 
84  if (variantT() == V_SgAsmPESection) //unless a base class
85  hexdump(f, 0, std::string(p)+"data at ", p_data);
86 }