static void read_frame_info_section(Context * ctx, ELF_Section * text_section,
U8_T IP, DWARFCache * cache, FrameInfoIndex * index) {
unsigned l, h;
ELF_Section * section = index->mSection;
ELF_File * file = section->file;
U4_T sec_idx = 0;
if (text_section != NULL && text_section->file != file) {
unsigned i;
assert(get_dwarf_file(text_section->file) == file);
for (i = 1; i < file->section_cnt; i++) {
ELF_Section * sec = cache->mFile->sections + i;
if (sec->name == NULL) continue;
if (strcmp(sec->name, text_section->name) == 0) {
text_section = sec;
break;
}
}
}
memset(&rules, 0, sizeof(StackFrameRules));
rules.ctx = ctx;
rules.section = section;
rules.text_section = text_section;
rules.eh_frame = strcmp(section->name, ".eh_frame") == 0;
rules.reg_id_scope.big_endian = file->big_endian;
rules.reg_id_scope.machine = file->machine;
rules.reg_id_scope.os_abi = file->os_abi;
rules.reg_id_scope.elf64 = file->elf64;
rules.reg_id_scope.id_type = rules.eh_frame ? REGNUM_EH_FRAME : REGNUM_DWARF;
rules.cie_pos = ~(U8_T)0;
if (index->mFrameInfoRanges == NULL) create_search_index(cache, index);
l = 0;
h = index->mFrameInfoRangesCnt;
if (index->mRelocatable && text_section != NULL) sec_idx = text_section->index;
while (l < h) {
unsigned k = (l + h) / 2;
FrameInfoRange * range = index->mFrameInfoRanges + k;
if (sec_idx < range->mSection) {
h = k;
}
else if (sec_idx > range->mSection) {
l = k + 1;
}
else if (range->mAddr > IP) {
h = k;
}
else if (range->mAddr + range->mSize <= IP) {
l = k + 1;
}
else {
read_frame_fde(IP, range->mOffset);
return;
}
}
}
/** Command arguments are as follows
* - argv[1]: The corpus file
* - argv[2]: The search file
* - argv[3]: The number of significant terms to display
*/
int main(int argc, char * argv[]){
// Create an index from the corpus
create_corpus_index(argv[1]);
// Create an index from the search file
create_search_index(argv[2]);
// Print statistics
print_statistics(argv[2], (atoi(argv[3])));
// No errors encountered
return 0;
}
